graphic-pixi/lib/index.js

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import * as graphicsExtras from '@pixi/graphics-extras';
export { graphicsExtras as GraphicsExtras };
import { Graphics, Container, Text, Point, Matrix, Color, Polygon, DisplayObject, Rectangle, Application, BitmapFont, BitmapText } from 'pixi.js';
import EventEmitter from 'eventemitter3';
import { Viewport } from 'pixi-viewport';
import { Client } from '@stomp/stompjs';
import mqtt from 'mqtt';
/**
* ID生成器
*/
class IdGenerator {
serial = 0;
type;
constructor(type) {
this.type = type;
}
next() {
++this.serial;
// console.log(this.getType() + this.serial)
return this.serial;
}
getType() {
return this.type;
}
initSerial(serial) {
this.serial = serial;
}
}
const GraphicIdGenerator = new IdGenerator('');
/**
* 图形动画管理
*/
class AnimationManager {
app;
_pause;
/**
* key - graphic.id
*/
graphicAnimationMap;
constructor(app) {
this.app = app;
this._pause = false;
this.graphicAnimationMap = new Map();
// 动画控制
app.pixi.ticker.add(this.run, this);
}
run(dt) {
if (this._pause) {
// 暂停
return;
}
this.graphicAnimationMap.forEach((map) => {
map.forEach((animation) => {
if (animation.running) {
animation.run(dt);
}
});
});
}
pause() {
this._pause = true;
}
resume() {
this._pause = false;
}
destroy() {
this.app.pixi.ticker.remove(this.run, this);
}
/**
* 图形对象的所有动画map
* @param graphic
* @returns
*/
animationMap(graphic) {
let map = this.graphicAnimationMap.get(graphic.id);
if (!map) {
map = new Map();
this.graphicAnimationMap.set(graphic.id, map);
}
return map;
}
/**
* 注册图形动画
* @param graphic
* @param animation
*/
registerAnimation(graphic, animation) {
this.animationMap(graphic).set(animation.name, animation);
}
/**
* 删除图形动画
* @param graphic
* @param name
*/
unregisterAnimation(graphic, name) {
this.animationMap(graphic).delete(name);
}
/**
* 删除所有图形动画
* @param graphic
*/
unregisterGraphicAnimations(graphic) {
this.animationMap(graphic).clear();
}
/**
* 获取图形指定名称动画
* @param graphic
* @param name
* @returns
*/
animation(graphic, name) {
return this.animationMap(graphic).get(name);
}
}
var InteractionPluginType;
(function (InteractionPluginType) {
InteractionPluginType["App"] = "app";
InteractionPluginType["Graphic"] = "graphic";
InteractionPluginType["Other"] = "other";
})(InteractionPluginType || (InteractionPluginType = {}));
class InteractionPluginBase {
_type;
name; // 唯一标识
app;
_pause;
constructor(app, name, type) {
this._type = type;
this.app = app;
this.name = name;
this._pause = true;
app.registerInteractionPlugin(this);
}
/**
* 恢复
*/
resume() {
this.bind();
this._pause = false;
this.app.emit('interaction-plugin-resume', this);
}
/**
* 停止
*/
pause() {
this.unbind();
this._pause = true;
this.app.emit('interaction-plugin-pause', this);
}
/**
* 是否生效
*/
isActive() {
return !this._pause;
}
isGraphicPlugin() {
return this._type === InteractionPluginType.Graphic;
}
isAppPlugin() {
return this._type === InteractionPluginType.App;
}
isOtherPlugin() {
return this._type === InteractionPluginType.Other;
}
}
class OtherInteractionPlugin extends InteractionPluginBase {
constructor(app, name) {
super(app, name, InteractionPluginType.Other);
}
}
class AppDragEvent {
app;
type;
target;
original;
start; // 画布坐标
constructor(app, type, target, original, start) {
this.app = app;
this.type = type;
this.target = target;
this.original = original;
this.start = start;
}
get isMouse() {
return this.original.pointerType === 'mouse';
}
get isLeftButton() {
return (this.isMouse &&
((this.original.button === -1 && this.original.buttons === 1) ||
(this.original.button === 0 && this.original.buttons === 0)));
}
get isRightButton() {
return (this.isMouse &&
((this.original.button === -1 && this.original.buttons === 2) ||
(this.original.button === 2 && this.original.buttons === 0)));
}
get isMiddleButton() {
return (this.isMouse &&
((this.original.button === -1 && this.original.buttons === 4) ||
(this.original.button === 1 && this.original.buttons === 0)));
}
get isTouch() {
return this.original.pointerType === 'touch';
}
/**
* 终点坐标(画布坐标)
*/
get end() {
return this.app.toCanvasCoordinates(this.original.global);
}
get dx() {
const move = this.original.movement;
return move.x / this.app.viewport.scaled;
}
get dy() {
const move = this.original.movement;
return move.y / this.app.viewport.scaled;
}
get dsx() {
return this.end.x - this.start.x;
}
get dsy() {
return this.end.y - this.start.y;
}
/**
* 转换为目标对象的位移距离
*/
toTargetShiftLen(target) {
const sl = target.canvasToLocalPoint(this.start);
const el = target.canvasToLocalPoint(this.end);
return { dx: el.x - sl.x, dy: el.y - sl.y };
}
}
/**
* 拖拽操作插件
*/
class DragPlugin extends OtherInteractionPlugin {
static Name = '__drag_operation_plugin';
threshold = 3;
target = null;
start = null;
startClientPoint = null;
drag = false;
constructor(app) {
super(app, DragPlugin.Name);
app.on('options-update', (options) => {
if (options.threshold !== undefined) {
this.threshold = options.threshold;
}
});
}
static new(app) {
return new DragPlugin(app);
}
bind() {
const canvas = this.app.canvas;
canvas.on('pointerdown', this.onPointerDown, this);
}
unbind() {
const canvas = this.app.canvas;
canvas.off('pointerdown', this.onPointerDown, this);
canvas.off('pointerup', this.onPointerUp, this);
canvas.off('pointerupoutside', this.onPointerUp, this);
}
onPointerDown(e) {
this.target = e.target;
this.start = this.app.toCanvasCoordinates(e.global);
this.startClientPoint = e.global.clone();
const canvas = this.app.canvas;
canvas.on('pointermove', this.onPointerMove, this);
canvas.on('pointerup', this.onPointerUp, this);
canvas.on('pointerupoutside', this.onPointerUp, this);
}
onPointerMove(e) {
if (this.start && this.startClientPoint) {
const current = e.global;
const sgp = this.startClientPoint;
const dragStart = Math.abs(current.x - sgp.x) > this.threshold ||
Math.abs(current.y - sgp.y) > this.threshold;
if (this.target && this.start && !this.drag && dragStart) {
this.app.emit('drag_op_start', new AppDragEvent(this.app, 'start', this.target, e, this.start));
this.drag = true;
}
// drag移动处理
if (this.target && this.drag && this.start) {
this.app.emit('drag_op_move', new AppDragEvent(this.app, 'move', this.target, e, this.start));
}
}
}
onPointerUp(e) {
if (this.target && this.drag && this.start) {
this.app.emit('drag_op_end', new AppDragEvent(this.app, 'end', this.target, e, this.start));
}
else if (this.target && this.start && !this.drag) {
// this.target.emit('click', this.target);
const ade = new AppDragEvent(this.app, 'end', this.target, e, this.start);
const graphic = this.target.getGraphic();
if (ade.isRightButton) {
this.target.emit('_rightclick', e);
if (graphic != null) {
graphic.emit('_rightclick', e);
}
}
else if (ade.isLeftButton) {
this.target.emit('_leftclick', e);
if (graphic != null) {
graphic.emit('_leftclick', e);
}
}
}
const canvas = this.app.canvas;
canvas.off('mousemove', this.onPointerMove, this);
canvas.off('mouseup', this.onPointerUp, this);
canvas.off('mouseupoutside', this.onPointerUp, this);
this.clearCache();
}
/**
* 清理缓存
*/
clearCache() {
this.drag = false;
this.start = null;
this.startClientPoint = null;
this.target = null;
}
}
/**
* 视口移动插件
*/
class ViewportMovePlugin extends OtherInteractionPlugin {
static Name = '__viewport_move_plugin';
static MoveInterval = 20; // 移动间隔单位ms
static TriggerRange = 100; // 边界触发范围,单位px
static DefaultMoveSpeed = 200 / ViewportMovePlugin.MoveInterval; // 默认移动速度
moveHandler = null;
moveSpeedx = 0;
moveSpeedy = 0;
constructor(app) {
super(app, ViewportMovePlugin.Name);
}
static new(app) {
return new ViewportMovePlugin(app);
}
pause() {
super.pause();
this.stopMove();
}
bind() {
this.app.canvas.on('pointermove', this.viewportMove, this);
}
unbind() {
this.app.canvas.off('pointermove', this.viewportMove, this);
}
startMove(moveSpeedx, moveSpeedy) {
this.moveSpeedx = moveSpeedx;
this.moveSpeedy = moveSpeedy;
if (this.moveHandler == null) {
const viewport = this.app.viewport;
this.moveHandler = setInterval(() => {
viewport.moveCorner(viewport.corner.x + this.moveSpeedx, viewport.corner.y + this.moveSpeedy);
}, ViewportMovePlugin.MoveInterval);
}
}
stopMove() {
if (this.moveHandler != null) {
clearInterval(this.moveHandler);
this.moveHandler = null;
this.app.canvas.cursor = 'auto';
}
}
calculateBoundaryMoveSpeed(sp) {
let moveSpeedx = 0;
let moveSpeedy = 0;
const range = ViewportMovePlugin.TriggerRange;
const viewport = this.app.viewport;
if (sp.x < range) {
moveSpeedx = this.calculateMoveSpeed(sp.x - range);
}
else if (sp.x > viewport.screenWidth - range) {
moveSpeedx = this.calculateMoveSpeed(sp.x + range - viewport.screenWidth);
}
else {
moveSpeedx = 0;
}
if (sp.y < range) {
moveSpeedy = this.calculateMoveSpeed(sp.y - range);
}
else if (sp.y > viewport.screenHeight - range) {
moveSpeedy = this.calculateMoveSpeed(sp.y + range - viewport.screenHeight);
}
else {
moveSpeedy = 0;
}
return { moveSpeedx, moveSpeedy };
}
calculateMoveSpeed(dd) {
return ((dd / ViewportMovePlugin.TriggerRange) *
ViewportMovePlugin.DefaultMoveSpeed);
}
viewportMove(e) {
const sp = e.global;
const { moveSpeedx, moveSpeedy } = this.calculateBoundaryMoveSpeed(sp);
if (moveSpeedx == 0 && moveSpeedy == 0) {
this.app.canvas.cursor = 'auto';
this.stopMove();
}
else {
this.app.canvas.cursor = 'grab';
this.startMove(moveSpeedx, moveSpeedy);
}
}
}
/**
* 应用交互插件,同时只能生效一个
*/
class AppInteractionPlugin extends InteractionPluginBase {
constructor(name, app) {
super(app, name, InteractionPluginType.App);
}
/**
* 恢复app交互插件同时只能生效一个
*/
resume() {
this.app.pauseAppInteractionPlugins();
super.resume();
}
}
/**
* 图形交互插件,可同时生效
*/
class GraphicInteractionPlugin {
_type = InteractionPluginType.Graphic;
app;
name; // 唯一标识
_pause;
constructor(name, app) {
this.app = app;
this.name = name;
this._pause = true;
app.registerInteractionPlugin(this);
this.resume();
// 新增的图形对象绑定
this.app.on('graphicstored', (g) => {
if (this.isActive()) {
this.binds(this.filter(g));
}
});
this.app.on('graphicdeleted', (g) => {
if (this.isActive()) {
this.unbinds(this.filter(g));
}
});
}
isActive() {
return !this._pause;
}
isAppPlugin() {
return false;
}
isOtherPlugin() {
return false;
}
isGraphicPlugin() {
return true;
}
resume() {
const list = this.filter(...this.app.queryStore.getAllGraphics());
this.binds(list);
this._pause = false;
this.app.emit('interaction-plugin-resume', this);
}
pause() {
const list = this.filter(...this.app.queryStore.getAllGraphics());
this.unbinds(list);
this._pause = true;
this.app.emit('interaction-plugin-pause', this);
}
binds(list) {
if (list) {
list.forEach((g) => this.bind(g));
}
}
unbinds(list) {
if (list) {
list.forEach((g) => this.unbind(g));
}
}
}
class CompleteMouseToolOptions {
boxSelect;
viewportDrag;
viewportDragLeft;
wheelZoom;
selectFilter;
constructor() {
this.boxSelect = true;
this.viewportDrag = true;
this.wheelZoom = true;
this.viewportDragLeft = false;
}
update(options) {
if (options.boxSelect != undefined) {
this.boxSelect = options.boxSelect;
}
if (options.viewportDrag != undefined) {
this.viewportDrag = options.viewportDrag;
}
if (options.viewportDragLeft != undefined) {
this.viewportDragLeft = options.viewportDragLeft;
}
if (options.wheelZoom != undefined) {
this.wheelZoom = options.wheelZoom;
}
this.selectFilter = options.selectFilter;
}
}
/**
* 通用交互工具
*/
class CommonMouseTool extends AppInteractionPlugin {
static Name = 'mouse-tool';
static SelectBox = '__select_box';
options;
box;
leftDownTarget = null;
drag = false;
graphicSelect = false;
rightTarget = null;
constructor(scene) {
super(CommonMouseTool.Name, scene);
this.options = new CompleteMouseToolOptions();
this.box = new Graphics();
this.box.name = CommonMouseTool.SelectBox;
this.box.visible = false;
this.app.canvas.addAssistantAppends(this.box);
scene.on('options-update', (options) => {
if (options.mouseToolOptions) {
this.options.update(options.mouseToolOptions);
if (this.isActive()) {
this.pause();
this.resume();
}
}
});
}
static new(app) {
return new CommonMouseTool(app);
}
bind() {
const canvas = this.app.canvas;
canvas.on('mousedown', this.onMouseDown, this);
canvas.on('mouseup', this.onMouseUp, this);
this.app.on('drag_op_start', this.onDragStart, this);
this.app.on('drag_op_move', this.onDragMove, this);
this.app.on('drag_op_end', this.onDragEnd, this);
if (this.options.viewportDrag) {
if (this.options.viewportDragLeft) {
this.app.viewport.drag({
mouseButtons: 'left',
});
canvas.on('mousedown', this.setLeftCursor, this);
canvas.on('mouseup', this.resumeLeftCursor, this);
canvas.on('mouseupoutside', this.resumeLeftCursor, this);
}
else {
this.app.viewport.drag({
mouseButtons: 'right',
});
canvas.on('rightdown', this.setCursor, this);
canvas.on('rightup', this.resumeCursor, this);
canvas.on('rightupoutside', this.resumeCursor, this);
}
}
if (this.options.wheelZoom) {
this.app.viewport.wheel({
percent: 0.01,
});
}
}
unbind() {
const canvas = this.app.canvas;
// 确保所有事件取消监听
canvas.off('mousedown', this.onMouseDown, this);
canvas.off('mouseup', this.onMouseUp, this);
this.app.off('drag_op_start', this.onDragStart, this);
this.app.off('drag_op_move', this.onDragMove, this);
this.app.off('drag_op_end', this.onDragEnd, this);
this.app.viewport.plugins.remove('drag');
canvas.off('mousedown', this.setLeftCursor, this);
canvas.off('mouseup', this.resumeLeftCursor, this);
canvas.off('mouseupoutside', this.resumeLeftCursor, this);
canvas.off('rightdown', this.setCursor, this);
canvas.off('rightup', this.resumeCursor, this);
canvas.off('rightupoutside', this.resumeCursor, this);
this.app.viewport.plugins.remove('wheel');
this.clearCache();
}
onDragStart(event) {
if (this.boxSelect && event.target.isCanvas() && event.isLeftButton) {
this.box.visible = true;
this.app.interactionPlugin(ViewportMovePlugin.Name).resume();
}
this.drag = true;
}
onDragMove(event) {
if (this.boxSelect && event.target.isCanvas()) {
this.boxSelectDraw(event.start, event.end);
}
}
onDragEnd(event) {
if (this.boxSelect && event.target.isCanvas() && event.isLeftButton) {
this.boxSelectDraw(event.start, event.end);
this.boxSelectGraphicCheck();
this.app.interactionPlugin(ViewportMovePlugin.Name).pause();
this.box.clear();
this.box.visible = false;
}
}
setLeftCursor(e) {
const target = e.target;
this.leftDownTarget = target;
if (target.isCanvas() && this.app.pixi.view.style) {
this.app.pixi.view.style.cursor = 'grab';
}
}
resumeLeftCursor() {
if (this.leftDownTarget &&
this.leftDownTarget.isCanvas() &&
this.app.pixi.view.style) {
this.app.pixi.view.style.cursor = 'inherit';
}
this.leftDownTarget = null;
}
setCursor(e) {
const target = e.target;
this.rightTarget = target;
if (target.isCanvas() && this.app.pixi.view.style) {
this.app.pixi.view.style.cursor = 'grab';
}
}
resumeCursor() {
if (this.rightTarget &&
this.rightTarget.isCanvas() &&
this.app.pixi.view.style) {
this.app.pixi.view.style.cursor = 'inherit';
}
this.rightTarget = null;
}
onMouseDown(e) {
this.leftDownTarget = e.target;
this.graphicSelect = false;
// 图形
const graphic = this.leftDownTarget.getGraphic();
if (graphic) {
const app = this.app;
// 图形选中
if (!e.ctrlKey && !graphic.selected && graphic.selectable) {
app.updateSelected(graphic);
graphic.childEdit = false;
this.graphicSelect = true;
}
else if (!e.ctrlKey && graphic.selected && graphic.childEdit) {
if (this.leftDownTarget.isGraphicChild() &&
this.leftDownTarget.selectable) {
graphic.setChildSelected(this.leftDownTarget);
}
else {
graphic.exitChildEdit();
}
}
}
}
/**
* 选中处理
* @param e
*/
onMouseUp(e) {
const app = this.app;
if (!this.drag) {
const target = e.target;
const graphic = e.target.getGraphic();
if (graphic &&
graphic.selected &&
!this.graphicSelect &&
app.selectedGraphics.length == 1 &&
target === this.leftDownTarget &&
target.isGraphicChild() &&
target.selectable) {
graphic.childEdit = true;
}
if (e.ctrlKey) {
// 多选
if (graphic) {
if (graphic.childEdit && target === this.leftDownTarget) {
graphic.invertChildSelected(target);
}
else {
graphic.invertSelected();
}
}
}
else {
// 非多选
if (e.target.isCanvas()) {
this.app.updateSelected();
}
else {
if (graphic &&
graphic.childEdit &&
app.selectedGraphics.length === 1 &&
target === this.leftDownTarget) {
graphic.setChildSelected(target);
}
}
}
// 多个图形选中,退出子元素编辑模式
const selecteds = this.app.selectedGraphics;
if (selecteds.length > 1) {
selecteds.forEach((g) => g.exitChildEdit());
}
}
this.clearCache();
}
/**
* 清理缓存
*/
clearCache() {
this.drag = false;
this.leftDownTarget = null;
}
get boxSelect() {
return this.options.boxSelect;
}
get selectFilter() {
return this.options.selectFilter;
}
/**
* 框选图形绘制并检查
*/
boxSelectDraw(start, end) {
if (!this.drag)
return;
// 绘制框选矩形框
this.box.clear();
this.box.lineStyle({
width: 2,
color: this.app.appOptions.assistantElementColor ||
AppConsts.assistantElementColor,
});
const dsx = end.x - start.x;
const dsy = end.y - start.y;
let { x, y } = start;
if (dsx < 0) {
x += dsx;
}
if (dsy < 0) {
y += dsy;
}
const width = Math.abs(dsx);
const height = Math.abs(dsy);
this.box.drawRect(x, y, width, height);
}
/**
* 框选图形判断
* @returns
*/
boxSelectGraphicCheck() {
if (!this.drag)
return;
// 遍历筛选
const boxRect = this.box.getLocalBounds();
const app = this.app;
const selects = [];
app.queryStore.getAllGraphics().forEach((g) => {
if ((this.selectFilter == undefined && g.visible) ||
(!!this.selectFilter && this.selectFilter(g))) {
// 选择过滤器
if (g.boxIntersectCheck(boxRect)) {
selects.push(g);
}
}
});
app.updateSelected(...selects);
}
}
let target;
class GlobalKeyboardHelper {
appKeyboardPluginMap = [];
constructor() {
window.onkeydown = (e) => {
this.appKeyboardPluginMap.forEach((plugin) => {
const listenerMap = plugin.getKeyListener(e);
listenerMap?.forEach((listener) => {
if (listener.global) {
listener.press(e, plugin.app);
}
});
});
if (e.ctrlKey) {
if (e.code == 'KeyS') {
// 屏蔽全局Ctrl+S保存操作
return false;
}
}
if (target && target.nodeName == 'CANVAS') {
// 事件的目标是画布时,屏蔽总的键盘操作操作
if (e.ctrlKey) {
if (e.code == 'KeyA' || e.code == 'KeyS') {
// 屏蔽Canvas上的Ctrl+A、Ctrl+S操作
return false;
}
}
}
return true;
};
window.onkeyup = (e) => {
this.appKeyboardPluginMap.forEach((plugin) => {
const listenerMap = plugin.getKeyListener(e);
listenerMap?.forEach((listener) => {
if (listener.global) {
listener.release(e, plugin.app);
}
});
});
};
}
registerGAKPlugin(plugin) {
if (!this.appKeyboardPluginMap.find((pg) => pg == plugin)) {
this.appKeyboardPluginMap.push(plugin);
}
}
removeGAKPlugin(plugin) {
const index = this.appKeyboardPluginMap.findIndex((pg) => pg == plugin);
if (index >= 0) {
this.appKeyboardPluginMap.splice(index, 1);
}
}
}
const GlobalKeyboardPlugin = new GlobalKeyboardHelper();
class JlGraphicAppKeyboardPlugin {
app;
/**
* 结构为Map<key.code|key.key|key.keyCode, Map<KeyListener.identifier, KeyListener>>
*/
keyListenerMap = new Map(); // 键值监听map
keyListenerStackMap = new Map(); // 键值监听栈(多次注册相同的监听会把之前注册的监听器入栈,移除最新的监听会从栈中弹出一个作为指定事件监听处理器)
constructor(app) {
this.app = app;
GlobalKeyboardPlugin.registerGAKPlugin(this);
const onMouseUpdateTarget = (e) => {
const node = e.target;
target = node;
};
const keydownHandle = (e) => {
// console.debug(e.key, e.code, e.keyCode);
if (target && target == this.app.dom?.getElementsByTagName('canvas')[0]) {
const listenerMap = this.getKeyListener(e);
listenerMap?.forEach((listener) => {
if (!listener.global) {
listener.press(e, this.app);
}
});
}
};
const keyupHandle = (e) => {
if (target && target == this.app.dom?.getElementsByTagName('canvas')[0]) {
const listenerMap = this.getKeyListener(e);
listenerMap?.forEach((listener) => {
if (!listener.global) {
listener.release(e, this.app);
}
});
}
};
document.addEventListener('mousedown', onMouseUpdateTarget, false);
document.addEventListener('keydown', keydownHandle, false);
document.addEventListener('keyup', keyupHandle, false);
this.app.on('destroy', () => {
document.removeEventListener('mousedown', onMouseUpdateTarget, false);
document.removeEventListener('keydown', keydownHandle, false);
document.removeEventListener('keyup', keyupHandle, false);
GlobalKeyboardPlugin.removeGAKPlugin(this);
});
}
getOrInit(key) {
let map = this.keyListenerMap.get(key);
if (map === undefined) {
map = new Map();
this.keyListenerMap.set(key, map);
}
return map;
}
getOrInitStack(key) {
let stack = this.keyListenerStackMap.get(key);
if (stack === undefined) {
stack = [];
this.keyListenerStackMap.set(key, stack);
}
return stack;
}
/**
* 注册按键监听,若有旧的,旧的入栈
* @param keyListener
*/
addKeyListener(keyListener) {
const map = this.getOrInit(keyListener.value);
// 查询是否有旧的监听,若有入栈
const old = map.get(keyListener.identifier);
if (old) {
const stack = this.getOrInitStack(keyListener.identifier);
stack.push(old);
}
map.set(keyListener.identifier, keyListener);
}
/**
* 移除按键监听,若是当前注册的监听,尝试从栈中取出作为按键监听器,若是旧的,则同时移除栈中的监听
* @param keyListener
*/
removeKeyListener(keyListener) {
keyListener.onRemove();
const map = this.getOrInit(keyListener.value);
const old = map.get(keyListener.identifier);
map.delete(keyListener.identifier);
const stack = this.getOrInitStack(keyListener.identifier);
if (old && old === keyListener) {
// 是旧的监听
const listener = stack.pop();
if (listener) {
map.set(keyListener.identifier, listener);
}
}
else {
// 移除栈中的
const index = stack.findIndex((ls) => ls === keyListener);
if (index >= 0) {
stack.splice(index, 1);
}
}
}
getKeyListenerBy(key) {
return this.keyListenerMap.get(key);
}
getKeyListener(e) {
return (this.getKeyListenerBy(e.key) ||
this.getKeyListenerBy(e.code) ||
this.getKeyListenerBy(e.keyCode));
}
isKeyListened(key) {
return this.getOrInit(key).size > 0;
}
/**
* 获取所有注册监听的键值(组合键)
*/
getAllListenedKeys() {
const keys = [];
this.keyListenerMap.forEach((v) => v.forEach((_listener, ck) => keys.push(ck)));
return keys;
}
}
var CombinationKey;
(function (CombinationKey) {
CombinationKey["Ctrl"] = "Ctrl";
CombinationKey["Alt"] = "Alt";
CombinationKey["Shift"] = "Shift";
})(CombinationKey || (CombinationKey = {}));
const DefaultKeyListenerOptions = {
value: '',
combinations: [],
global: false,
onPress: undefined,
pressTriggerAsOriginalEvent: false,
onRelease: undefined,
};
class KeyListener {
// value 支持keyCodekeycode三种值
options;
isPress = false;
constructor(options) {
this.options = Object.assign({}, DefaultKeyListenerOptions, options);
}
static create(options) {
return new KeyListener(options);
}
get value() {
return this.options.value;
}
get combinations() {
return this.options.combinations;
}
get identifier() {
return this.options.combinations.join('+') + '+' + this.options.value;
}
get global() {
return this.options.global;
}
get onPress() {
return this.options.onPress;
}
set onPress(v) {
this.options.onPress = v;
}
get onRelease() {
return this.options.onRelease;
}
set onRelease(v) {
this.options.onRelease = v;
}
get pressTriggerEveryTime() {
return this.options.pressTriggerAsOriginalEvent;
}
set pressTriggerEveryTime(v) {
this.options.pressTriggerAsOriginalEvent = v;
}
press(e, app) {
if (!this.checkCombinations(e)) {
console.debug('组合键不匹配, 不执行press', e, this);
return;
}
if (this.pressTriggerEveryTime || !this.isPress) {
this.isPress = true;
if (this.onPress) {
this.onPress(e, app);
}
}
}
/**
* 检查组合键是否匹配
*/
checkCombinations(e) {
const cbs = this.combinations;
if (cbs.length > 0) {
if (((e.altKey && cbs.includes(CombinationKey.Alt)) ||
(!e.altKey && !cbs.includes(CombinationKey.Alt))) &&
((e.ctrlKey && cbs.includes(CombinationKey.Ctrl)) ||
(!e.ctrlKey && !cbs.includes(CombinationKey.Ctrl))) &&
((e.shiftKey && cbs.includes(CombinationKey.Shift)) ||
(!e.shiftKey && !cbs.includes(CombinationKey.Shift)))) {
return true;
}
}
else {
return !e.altKey && !e.ctrlKey && !e.shiftKey;
}
return false;
}
release(e, app) {
if (this.isPress) {
this.isPress = false;
if (this.onRelease) {
this.onRelease(e, app);
}
}
}
onRemove() {
// 重置按下状态
this.isPress = false;
}
}
/**
* 图形复制插件
*/
class GraphicCopyPlugin {
container;
scene;
keyListeners;
graphicControlers;
copys;
start;
running = false;
moveLimit;
constructor(scene) {
this.scene = scene;
this.container = new Container();
this.graphicControlers = [];
this.copys = [];
this.keyListeners = [];
this.keyListeners.push(new KeyListener({
// ESC 用于取消复制操作
value: 'Escape',
global: true,
// combinations: [CombinationKey.Ctrl],
onPress: () => {
this.cancle();
},
}), new KeyListener({
// X 限制只能在x轴移动
value: 'KeyX',
global: true,
// combinations: [CombinationKey.Ctrl],
onPress: () => {
this.updateMoveLimit('x');
},
}), new KeyListener({
// Y 限制只能在y轴移动
value: 'KeyY',
global: true,
// combinations: [CombinationKey.Ctrl],
onPress: () => {
this.updateMoveLimit('y');
},
}));
}
updateMoveLimit(limit) {
if (this.moveLimit === limit) {
this.moveLimit = undefined;
}
else {
this.moveLimit = limit;
}
}
init() {
if (this.running)
return;
if (this.scene.selectedGraphics.length === 0) {
throw new Error('没有选中图形,复制取消');
}
this.running = true;
this.copys = [];
this.container.alpha = 0.5;
this.scene.canvas.addChild(this.container);
const app = this.scene;
this.scene.selectedGraphics.forEach((g) => {
const template = app.getGraphicTemplatesByType(g.type);
const clone = template.clone(g);
this.copys.push(clone);
this.container.position.set(0, 0);
this.container.addChild(clone);
clone.repaint();
});
this.graphicControlers.forEach((graphicControler) => {
if (graphicControler.check()) {
this.keyListeners.push(...graphicControler.controlerList);
}
});
this.scene.canvas.on('mousemove', this.onPointerMove, this);
this.scene.canvas.on('mouseup', this.onFinish, this);
this.scene.canvas.on('rightup', this.cancle, this);
this.keyListeners.forEach((kl) => {
this.scene.app.addKeyboardListener(kl);
});
}
addGraphicControlers(graphicControlers) {
this.graphicControlers.push(...graphicControlers);
}
clear() {
this.running = false;
this.start = undefined;
this.moveLimit = undefined;
this.copys = [];
this.container.removeChildren();
this.scene.canvas.removeChild(this.container);
this.scene.canvas.off('mousemove', this.onPointerMove, this);
this.scene.canvas.off('mouseup', this.onFinish, this);
this.scene.canvas.off('rightup', this.cancle, this);
this.keyListeners.forEach((kl) => {
this.scene.app.removeKeyboardListener(kl);
});
this.keyListeners = this.keyListeners.splice(0, 3);
}
onPointerMove(e) {
const cp = this.scene.toCanvasCoordinates(e.global);
if (!this.start) {
this.start = cp;
}
else {
if (this.moveLimit === 'x') {
const dx = cp.x - this.start.x;
this.container.position.x = dx;
this.container.position.y = 0;
}
else if (this.moveLimit === 'y') {
const dy = cp.y - this.start.y;
this.container.position.x = 0;
this.container.position.y = dy;
}
else {
const dx = cp.x - this.start.x;
const dy = cp.y - this.start.y;
this.container.position.x = dx;
this.container.position.y = dy;
}
}
for (let i = 0; i < this.graphicControlers.length; i++) {
if (this.graphicControlers[i].moveLimitOption?.moveLimitName ==
this.moveLimit) {
this.graphicControlers[i].moveLimitOption?.moveLimit(e);
}
break;
}
}
onFinish() {
console.log('复制确认');
// 将图形添加到app
this.copys.forEach((g) => {
g.position.x += this.container.position.x;
g.position.y += this.container.position.y;
});
this.saveCopyGraphic();
this.clear();
}
saveCopyGraphic() {
this.scene.app.addGraphicAndRecord(...this.copys);
this.scene.detectRelations();
this.scene.updateSelected(...this.copys);
}
cancle() {
console.log('复制操作取消');
this.scene.canvas.removeChild(this.container);
this.clear();
}
}
class VectorGraphicUtil {
static handle(obj) {
const vg = obj;
const onScaleChange = function (obj) {
if (vg.isParent(obj)) {
vg.updateOnScaled();
}
};
const registerScaleChange = function registerScaleChange(obj) {
if (!obj.scaledListenerOn) {
obj.scaledListenerOn = true;
obj.getCanvas().scene.on('viewport-scaled', onScaleChange);
}
};
const unregisterScaleChange = function unregisterScaleChange(obj) {
obj.scaledListenerOn = false;
obj.getCanvas().scene.off('viewport-scaled', onScaleChange);
};
obj.onAddToCanvas = function onAddToCanvas() {
obj.updateOnScaled();
registerScaleChange(obj);
};
obj.onRemoveFromCanvas = function onRemoveFromCanvas() {
// console.debug('矢量图像onRemoveFromCanvas');
unregisterScaleChange(obj);
};
obj.on('added', (container) => {
setTimeout(() => {
if (container.isInCanvas()) {
obj.onAddToCanvas(container.getCanvas());
}
}, 0);
});
}
}
/**
* 矢量文字.实现原理在缩放发生变化时更新fontSize
*/
class VectorText extends Text {
vectorFontSize = 8;
scaled = 1;
scaledListenerOn = false;
constructor(text, style, canvas) {
super(text, style, canvas);
VectorGraphicUtil.handle(this);
}
updateOnScaled() {
const scaled = this.getAllParentScaled();
const scale = Math.max(scaled.x, scaled.y);
this.style.fontSize = this.vectorFontSize * scale;
this.scale.set(1 / scale, 1 / scale);
}
/**
* 设置矢量文字的字体大小
*/
setVectorFontSize(fontSize) {
if (this.vectorFontSize !== fontSize) {
this.vectorFontSize = fontSize;
this.updateOnScaled();
}
}
}
/**
* 拖拽点参数
*/
const DraggablePointParam = {
lineWidth: 1,
lineColor: 0x000000,
fillColor: 0xffffff,
radius: 5, // 半径
};
const DraggablePointGraphic = new Graphics();
DraggablePointGraphic.lineStyle(DraggablePointParam.lineWidth, DraggablePointParam.lineColor);
DraggablePointGraphic.beginFill(DraggablePointParam.fillColor);
DraggablePointGraphic.drawCircle(0, 0, DraggablePointParam.radius);
DraggablePointGraphic.endFill();
/**
* 拖拽点,用于更新图形属性
*/
class DraggablePoint extends Graphics {
scaledListenerOn = false;
/**
*
* @param point 画布坐标点
*/
constructor(point) {
super(DraggablePointGraphic.geometry);
this.position.copyFrom(point);
this.eventMode = 'static';
this.draggable = true;
this.cursor = 'crosshair';
VectorGraphicUtil.handle(this);
}
updateOnScaled() {
const scaled = this.getAllParentScaled();
const scale = Math.max(scaled.x, scaled.y);
this.scale.set(1 / scale, 1 / scale);
}
}
/**
* 浮点数相等判断误差值
*/
const epsilon = 0.00001;
/**
* 判断浮点数是不是0
* @param v
* @returns
*/
function isZero(v) {
if (Math.abs(v) < epsilon) {
return true;
}
return false;
}
/**
* 两浮点数是否相等
* @param f1
* @param f2
* @returns
*/
function floatEquals(f1, f2) {
return isZero(f1 - f2);
}
/* eslint-disable @typescript-eslint/no-this-alias */
class Vector2 {
constructor(values) {
if (values !== undefined) {
this.xy = values;
}
}
static from(p) {
return new Vector2([p.x, p.y]);
}
values = new Float32Array(2);
static zero = new Vector2([0, 0]);
static one = new Vector2([1, 1]);
get x() {
return this.values[0];
}
set x(value) {
this.values[0] = value;
}
get y() {
return this.values[1];
}
set y(value) {
this.values[1] = value;
}
get xy() {
return [this.values[0], this.values[1]];
}
set xy(values) {
this.values[0] = values[0];
this.values[1] = values[1];
}
at(index) {
return this.values[index];
}
reset() {
this.x = 0;
this.y = 0;
}
copy(dest) {
if (!dest) {
dest = new Vector2();
}
dest.x = this.x;
dest.y = this.y;
return dest;
}
negate(dest) {
if (!dest) {
dest = this;
}
dest.x = -this.x;
dest.y = -this.y;
return dest;
}
equals(vector, threshold = epsilon) {
if (Math.abs(this.x - vector.x) > threshold) {
return false;
}
if (Math.abs(this.y - vector.y) > threshold) {
return false;
}
return true;
}
length() {
return Math.sqrt(this.squaredLength());
}
squaredLength() {
const x = this.x;
const y = this.y;
return x * x + y * y;
}
add(vector) {
this.x += vector.x;
this.y += vector.y;
return this;
}
subtract(vector) {
this.x -= vector.x;
this.y -= vector.y;
return this;
}
multiply(vector) {
this.x *= vector.x;
this.y *= vector.y;
return this;
}
divide(vector) {
this.x /= vector.x;
this.y /= vector.y;
return this;
}
scale(value, dest) {
if (!dest) {
dest = this;
}
dest.x *= value;
dest.y *= value;
return dest;
}
normalize(dest) {
if (!dest) {
dest = this;
}
let length = this.length();
if (length === 1) {
return this;
}
if (length === 0) {
dest.x = 0;
dest.y = 0;
return dest;
}
length = 1.0 / length;
dest.x *= length;
dest.y *= length;
return dest;
}
// multiplyMat2(matrix: mat2, dest?: Vector2): Vector2 {
// if (!dest) {
// dest = this;
// }
// return matrix.multiplyVec2(this, dest);
// }
// multiplyMat3(matrix: mat3, dest?: Vector2): Vector2 {
// if (!dest) {
// dest = this;
// }
// return matrix.multiplyVec2(this, dest);
// }
// static cross(vector: Vector2, vector2: Vector2, dest?: vec3): vec3 {
// if (!dest) {
// dest = new vec3();
// }
// const x = vector.x;
// const y = vector.y;
// const x2 = vector2.x;
// const y2 = vector2.y;
// const z = x * y2 - y * x2;
// dest.x = 0;
// dest.y = 0;
// dest.z = z;
// return dest;
// }
/**
* 向量点乘
* @param vector
* @param vector2
* @returns
*/
static dot(vector, vector2) {
return vector.x * vector2.x + vector.y * vector2.y;
}
/**
* 向量长度
* @param vector
* @param vector2
* @returns
*/
static distance(vector, vector2) {
return Math.sqrt(this.squaredDistance(vector, vector2));
}
/**
* 向量长度平方
* @param vector
* @param vector2
* @returns
*/
static squaredDistance(vector, vector2) {
const x = vector2.x - vector.x;
const y = vector2.y - vector.y;
return x * x + y * y;
}
/**
* v2->v1的方向的单位向量
* @param v1
* @param v2
* @param dest
* @returns
*/
static direction(v1, v2, dest) {
if (!dest) {
dest = new Vector2();
}
const x = v1.x - v2.x;
const y = v1.y - v2.y;
let length = Math.sqrt(x * x + y * y);
if (length === 0) {
dest.x = 0;
dest.y = 0;
return dest;
}
length = 1 / length;
dest.x = x * length;
dest.y = y * length;
return dest;
}
static mix(vector, vector2, time, dest) {
if (!dest) {
dest = new Vector2();
}
const x = vector.x;
const y = vector.y;
const x2 = vector2.x;
const y2 = vector2.y;
dest.x = x + time * (x2 - x);
dest.y = y + time * (y2 - y);
return dest;
}
/**
* 向量加法
* @param vector
* @param vector2
* @param dest
* @returns
*/
static sum(vector, vector2, dest) {
if (!dest) {
dest = new Vector2();
}
dest.x = vector.x + vector2.x;
dest.y = vector.y + vector2.y;
return dest;
}
/**
* 向量减法
* @param vector
* @param vector2
* @param dest
* @returns
*/
static difference(vector, vector2, dest) {
if (!dest) {
dest = new Vector2();
}
dest.x = vector.x - vector2.x;
dest.y = vector.y - vector2.y;
return dest;
}
/**
* 向量乘法
* @param vector
* @param vector2
* @param dest
* @returns
*/
static product(vector, vector2, dest) {
if (!dest) {
dest = new Vector2();
}
dest.x = vector.x * vector2.x;
dest.y = vector.y * vector2.y;
return dest;
}
/**
* 向量除法
* @param vector
* @param vector2
* @param dest
* @returns
*/
static quotient(vector, vector2, dest) {
if (!dest) {
dest = new Vector2();
}
dest.x = vector.x / vector2.x;
dest.y = vector.y / vector2.y;
return dest;
}
}
/**
* 递归父节点执行逻辑
* @param obj
* @param handler
*/
function recursiveParents(obj, handler) {
if (obj.parent) {
handler(obj.parent);
recursiveParents(obj.parent, handler);
}
}
/**
* 递归父节点查询父节点对象
* @param obj
* @param finder
* @returns
*/
function recursiveFindParent(obj, finder) {
if (obj.parent) {
if (finder(obj.parent)) {
return obj.parent;
}
else {
return recursiveFindParent(obj.parent, finder);
}
}
return null;
}
/**
* 递归子节点执行逻辑
* @param container
* @param handler
*/
function recursiveChildren(container, handler) {
container.children.forEach((child) => {
handler(child);
if (child.children) {
recursiveChildren(child, handler);
}
});
}
/**
* 递归子节点查询子节点对象
*/
function recursiveFindChild(container, finder) {
let result = null;
for (let i = 0; i < container.children.length; i++) {
const child = container.children[i];
if (finder(child)) {
return child;
}
else if (child.children) {
result = recursiveFindChild(child, finder);
}
}
return result;
}
/**
* 判断贝塞尔曲线数据是否正确
* @param points
*/
function assertBezierPoints(points) {
if (points.length < 4 || points.length % 3 !== 1) {
throw new Error(`bezierCurve 数据错误: ${points}`);
}
}
/**
* 转换为贝塞尔曲线参数
* @param points
* @returns
*/
function convertToBezierParams(points) {
assertBezierPoints(points);
const bps = [];
for (let i = 0; i < points.length - 3; i += 3) {
const p1 = new Point(points[i].x, points[i].y);
const p2 = new Point(points[i + 3].x, points[i + 3].y);
const cp1 = new Point(points[i + 1].x, points[i + 1].y);
const cp2 = new Point(points[i + 2].x, points[i + 2].y);
bps.push({
p1,
p2,
cp1,
cp2,
});
}
return bps;
}
/**
* 根据分段数计算贝塞尔曲线所有点坐标
* @param basePoints
* @param segmentsCount
* @returns
*/
function calculateBezierPoints(basePoints, segmentsCount) {
const bps = convertToBezierParams(basePoints);
const points = [];
bps.forEach((bp) => {
points.push(...calculateOneBezierPoints(bp.p1, bp.p2, bp.cp1, bp.cp2, segmentsCount));
});
return points;
}
/**
* 根据分段数计算贝塞尔曲线所有点坐标
* @param basePoints
* @param segmentsCount
* @returns
*/
function calculateOneBezierPoints(p1, p2, cp1, cp2, segmentsCount) {
const points = [];
const fromX = p1.x;
const fromY = p1.y;
const n = segmentsCount;
let dt = 0;
let dt2 = 0;
let dt3 = 0;
let t2 = 0;
let t3 = 0;
const cpX = cp1.x;
const cpY = cp1.y;
const cpX2 = cp2.x;
const cpY2 = cp2.y;
const toX = p2.x;
const toY = p2.y;
points.push(new Point(p1.x, p1.y));
for (let i = 1, j = 0; i <= n; ++i) {
j = i / n;
dt = 1 - j;
dt2 = dt * dt;
dt3 = dt2 * dt;
t2 = j * j;
t3 = t2 * j;
const px = dt3 * fromX + 3 * dt2 * j * cpX + 3 * dt * t2 * cpX2 + t3 * toX;
const py = dt3 * fromY + 3 * dt2 * j * cpY + 3 * dt * t2 * cpY2 + t3 * toY;
points.push(new Point(px, py));
}
return points;
}
/**
* 计算矩形中点
*/
function getRectangleCenter(rectangle) {
return new Point(rectangle.x + rectangle.width / 2, rectangle.y + rectangle.height / 2);
}
/**
* 计算两个矩形中心对齐的坐标, PS: 计算的是较大包围框的中心
* @param rect1
* @param rect2
* @returns
*/
function getCenterOfTwoRectangle(rect1, rect2) {
const x = Math.abs(rect1.width - rect2.width) / 2;
const y = Math.abs(rect1.height - rect2.height) / 2;
return new Point(x, y);
}
/**
* 序列化图形变换
* @param obj
* @returns
*/
function serializeTransform(obj) {
const position = obj.position;
const scale = obj.scale;
const angle = obj.angle;
const skew = obj.skew;
return [position.x, position.y, scale.x, scale.y, angle, skew.x, skew.y];
}
/**
* 反序列化变换数据到图形对象
* @param obj
* @param transform
*/
function deserializeTransformInto(obj, transform) {
if (transform.length === 7) {
obj.position.set(transform[0], transform[1]);
obj.scale.set(transform[2], transform[3]);
obj.angle = transform[4];
obj.skew.set(transform[5], transform[6]);
}
else if (transform.length > 0) {
console.warn('错误的变换数据', transform);
}
}
/**
* 将直线转换为多边形
* @param p1
* @param p2
* @param thick
* @returns
*/
function convertLineToPolygonPoints(p1, p2, thick) {
const angle = Math.atan2(p2.y - p1.y, p2.x - p1.x) - Math.PI / 2;
const half = thick / 2;
const cos = Math.cos(angle) * half;
const sin = Math.sin(angle) * half;
return [
new Point(p1.x - cos, p1.y - sin),
new Point(p2.x - cos, p2.y - sin),
new Point(p2.x + cos, p2.y + sin),
new Point(p1.x + cos, p1.y + sin),
];
}
/**
* 转换矩形为多边形点坐标
* @param rect 矩形
* @returns
*/
function convertRectangleToPolygonPoints(rect) {
return [
new Point(rect.x, rect.y),
new Point(rect.x + rect.width, rect.y),
new Point(rect.x + rect.width, rect.y + rect.height),
new Point(rect.x, rect.y + rect.height),
];
}
/**
* 计算线段中点坐标
* @param p1
* @param p2
* @returns
*/
function calculateLineMidpoint(p1, p2) {
const x = (p1.x + p2.x) / 2;
const y = (p1.y + p2.y) / 2;
return new Point(x, y);
}
/**
* 计算线段细分坐标--线段分成几份
* @param p1
* @param p2
* @param knife
* @returns
*/
function calculateLineSegmentingPoint(p1, p2, knife) {
const segmentingPoints = [];
const x = p1.x < p2.x ? p1.x : p2.x;
const y = p1.y < p2.y ? p1.y : p2.y;
const w = Math.abs(p1.x - p2.x);
const h = Math.abs(p1.y - p2.y);
for (let i = 0; i < knife - 1; i++) {
const pointX = x + (w * (i + 1)) / knife;
const pointy = y + (h * (i + 1)) / knife;
segmentingPoints.push(new Point(pointX, pointy));
}
return segmentingPoints;
}
/**
* 计算点到直线距离
* @param p1
* @param p2
* @param p
*/
function calculateDistanceFromPointToLine(p1, p2, p) {
// 求直线的一般方程参数ABC直线的一般式方程AX+BY+C=0
const A = p1.y - p2.y;
const B = p2.x - p1.x;
const C = p1.x * p2.y - p1.y * p2.x;
// 计算点到直线垂直距离: d = |Ax+By+C|/sqrt(A*A+B*B),其中x,y为点坐标
const dl = Math.abs(A * p.x + B * p.y + C) / Math.sqrt(A * A + B * B);
return dl;
}
/**
* 计算点到直线的垂足坐标
* @param p
* @param p1
* @param p2
*/
function calculateFootPointFromPointToLine(p1, p2, p) {
if (p1.x == p2.x && p1.y == p2.y) {
throw new Error(`直线两坐标点相等:${p1}`);
}
const k = -(((p1.x - p.x) * (p2.x - p1.x) + (p1.y - p.y) * (p2.y - p1.y)) /
(Math.pow(p1.x - p2.x, 2) + Math.pow(p1.y - p2.y, 2)));
if (isZero(k)) {
return new Point(p.x, p.y);
}
const xf = k * (p2.x - p1.x) + p1.x;
const yf = k * (p2.y - p1.y) + p1.y;
return new Point(xf, yf);
}
/**
* 计算直线与圆的交点
* 1用直线到圆心的距离和半径相比判断是否和圆有交点
* 2求出圆心在直线上面的垂点
* 3算出直线的单位向量e
* 4求出一侧交点(Intersection)到projectPoint的长度(sideLength)
* 5求出sideLength和这侧端点到projectPoint距离的比例(ratio)
* 6projectPoint +/- ratio * e = 两侧交点;
* @param p0 圆心坐标
* @param radius 圆半径
* @param p1 直线坐标1
* @param p2 直线坐标2
* @returns 交点坐标可能2/1/0个
*/
function calculateIntersectionPointOfCircleAndLine(p0, radius, p1, p2) {
const distance = calculateDistanceFromPointToLine(p1, p2, p0);
if (distance <= radius) {
// 有交点
// 计算垂点
const pr = calculateFootPointFromPointToLine(p1, p2, p0);
if (floatEquals(distance, radius)) {
// 切线
return [pr];
}
const vpr = new Vector2([pr.x, pr.y]);
const vc = new Vector2([p0.x, p0.y]);
// 计算直线单位向量
const v1 = new Vector2([p1.x, p1.y]);
const v2 = new Vector2([p2.x, p2.y]);
const ve = Vector2.direction(v2, v1);
const base = Math.sqrt(Math.abs(radius * radius - Vector2.difference(vpr, vc).squaredLength()));
const vl = ve.scale(base);
const ip1 = Vector2.sum(vpr, vl);
const ip2 = Vector2.difference(vpr, vl);
return [new Point(ip1.x, ip1.y), new Point(ip2.x, ip2.y)];
}
else {
// 无交点
return [];
}
}
/**
* 计算圆心与圆心外一点与圆的交点(取圆心到点的向量与圆的交点)
* @param p0 圆心坐标
* @param radius 圆半径
* @param p 点坐标
* @returns
*/
function calculateIntersectionPointOfCircleAndPoint(p0, radius, p) {
const points = calculateIntersectionPointOfCircleAndLine(p0, radius, p0, p);
const vc = new Vector2([p0.x, p0.y]);
const vp = new Vector2([p.x, p.y]);
const vecp = Vector2.direction(vp, vc);
for (let i = 0; i < points.length; i++) {
const ip = points[i];
const ve = Vector2.direction(new Vector2([ip.x, ip.y]), vc);
if (ve.equals(vecp)) {
return ip;
}
}
throw new Error('计算圆心与圆心外一点与圆的交点逻辑错误');
}
/**
* 计算点基于点的镜像点坐标
* @param bp 基准点
* @param p 待镜像的点坐标
* @param distance 镜像点到基准点的距离默认为p到基准点的距离,即对称
* @returns
*/
function calculateMirrorPoint(bp, p, distance) {
const vbp = Vector2.from(bp);
const vp = Vector2.from(p);
const direction = Vector2.direction(vbp, vp);
if (distance == undefined) {
distance = Vector2.distance(vbp, vp);
}
const vmp = Vector2.sum(vbp, direction.scale(distance));
return new Point(vmp.x, vmp.y);
}
/**
* 计算基于给定轴的给定点的镜像点坐标
* @param pa 给定轴线的坐标
* @param pb 给定轴线的坐标
* @param p 待镜像点坐标
* @param distance
* @returns
*/
function calculateMirrorPointBasedOnAxis(pa, pb, p, distance) {
const fp = calculateFootPointFromPointToLine(pa, pb, p);
if (fp.equals(p)) {
return fp;
}
else {
return calculateMirrorPoint(fp, p, distance);
}
}
/**
* 计算直线与水平夹角,角度按顺时针从0开始
* @param p1
* @param p2
* @returns 角度,范围[0, 360)
*/
function angleToAxisx(p1, p2) {
if (p1.x == p2.x && p1.y == p2.y) {
throw new Error('一个点无法计算角度');
}
const dx = Math.abs(p1.x - p2.x);
const dy = Math.abs(p1.y - p2.y);
if (p2.x == p1.x) {
if (p2.y > p1.y) {
return 90;
}
else {
return 270;
}
}
if (p2.y == p1.y) {
if (p2.x > p1.x) {
return 0;
}
else {
return 180;
}
}
const angle = (Math.atan2(dy, dx) * 180) / Math.PI;
if (p2.x > p1.x) {
if (p2.y > p1.y) {
return angle;
}
else if (p2.y < p1.y) {
return 360 - angle;
}
}
else if (p2.x < p1.x) {
if (p2.y > p1.y) {
return 180 - angle;
}
else {
return 180 + angle;
}
}
return angle;
}
/**
* 计算两线夹角,pc与pa,pb的夹角顺时针为正逆时针为负
* @param pa 交点
* @param pb 锚定
* @param pc
* @returns 夹角, [-180, 180]
*/
function angleOfIncludedAngle(pa, pb, pc) {
const abAngle = angleToAxisx(pa, pb);
const acAngle = angleToAxisx(pa, pc);
let angle = acAngle - abAngle;
if (angle < -180) {
angle = 360 + angle;
}
else if (angle > 180) {
angle = -(360 - angle);
}
return angle;
}
/**
* 计算两点连线的法向量
* @param point1
* @param point2
* @returns 单位法向量
*/
function getNormalVector(point1, point2) {
const x1 = point1.x, y1 = point1.y;
const x2 = point2.x, y2 = point2.y;
const length = Math.sqrt((y2 - y1) ** 2 + (x2 - x1) ** 2);
return [(y2 - y1) / length, (x1 - x2) / length];
}
/**
* 点延向量方向移动
* @param point
* @param normal 单位向量
* @param length 平移长度
* @returns 移动后的点
*/
function movePointAlongNormal(point, normal, length) {
const newPoint = new Point(point.x + length * normal[0], point.y + length * normal[1]);
return newPoint;
}
/**
* 计算两组点各自组成直线的相交点(若两线平行 返回第一组坐标第一个点)
* @param line1 两点坐标列表
* @param line2 两点坐标列表
* @returns 相交点
*/
function getIntersectionPoint(line1, line2) {
const a1 = line1[0], b1 = line1[1];
const a2 = line1[2], b2 = line1[3];
const a3 = line2[0], b3 = line2[1];
const a4 = line2[2], b4 = line2[3];
const denominator = (a3 - a4) * (b1 - b2) - (a1 - a2) * (b3 - b4);
if (denominator === 0) {
return new Point(a1, b1);
}
const x = ((a3 - a4) * (a2 * b1 - a1 * b2) - (a1 - a2) * (a4 * b3 - a3 * b4)) /
denominator;
const y = ((b3 - b4) * (b2 * a1 - b1 * a2) - (b1 - b2) * (b4 * a3 - b3 * a4)) /
-denominator;
return new Point(x, y);
}
/**
* 是否平行线
* @param p1
* @param p2
* @param pa
* @param pb
* @returns
*/
function isParallelLines(p1, p2, pa, pb) {
const vle1 = Vector2.direction(Vector2.from(p1), Vector2.from(p2));
const vle2 = Vector2.direction(Vector2.from(pa), Vector2.from(pb));
if (vle2.equals(vle1)) {
return true;
}
return vle1.equals(Vector2.direction(Vector2.from(pb), Vector2.from(pa)));
}
/**
* 点是否在线段上
* @param p1
* @param p2
* @param p
* @returns
*/
function isPointOnLine(p1, p2, p) {
const vp1 = Vector2.from(p1);
const vp2 = Vector2.from(p2);
const vp = Vector2.from(p);
if (vp1.equals(vp) || vp2.equals(vp)) {
return true;
}
const vle = Vector2.direction(vp1, Vector2.from(p2));
const vpe = Vector2.direction(vp1, vp);
if (vle.equals(vpe)) {
return (Vector2.difference(vp1, vp2).squaredLength() >=
Vector2.difference(vp1, vp).squaredLength());
}
return false;
}
/**
* 两条线段是否存在包含关系
* @param line1
* @param line2
* @returns
*/
function isLineContainOther(line1, line2) {
return ((isPointOnLine(line1.p1, line1.p2, line2.p1) &&
isPointOnLine(line1.p1, line1.p2, line2.p2)) ||
(isPointOnLine(line2.p1, line2.p2, line1.p1) &&
isPointOnLine(line2.p1, line2.p2, line1.p2)));
}
/** 均分线段, 返回各线段端点 */
function splitLineEvenly(p1, p2, count) {
const [stepX, stepY] = [(p2.x - p1.x) / count, (p2.y - p1.y) / count];
return Array(count)
.fill(1)
.map((_, i) => {
return [
{ x: p1.x + stepX * i, y: p1.y + stepY * i },
{ x: p1.x + stepX * (i + 1), y: p1.y + stepY * (i + 1) },
];
});
}
function splitPolyline(points, count) {
if (points.length !== 2) {
let totalLen = 0;
const lengths = [];
for (let i = 1; i < points.length; i++) {
const { x: x1, y: y1 } = points[i - 1], { x: x2, y: y2 } = points[i];
const len = new Vector2([x2 - x1, y2 - y1]).length();
totalLen += len;
lengths.push(len);
}
const counts = lengths.map((length) => Math.round((count * length) / totalLen));
if (counts.reduce((p, c) => p + c, 0) !== count) {
const intersection = counts.reduce((p, c) => p + c, 0) - count;
let maxCountIndex = 0, maxCount = 0;
counts.forEach((c, i) => {
if (c > maxCount) {
maxCount = c;
maxCountIndex = i;
}
});
counts[maxCountIndex] + intersection;
}
return counts
.map((count, i) => {
return splitLineEvenly(points[i], points[i + 1], count);
})
.flat();
}
else {
return splitLineEvenly(points[0], points[points.length - 1], count);
}
}
function getParallelOfPolyline(points, offset, side) {
const { PI, cos, acos } = Math;
const angleBase = side === 'L' ? -PI / 2 : PI / 2;
return points.map((p, i) => {
let baseUnitVec; //上一段的基准单位向量
let angle; //偏转角度
let len; //结合偏转角度的实际偏移量
if (!points[i - 1] || !points[i + 1]) {
angle = angleBase;
len = offset;
baseUnitVec = points[i - 1]
? new Vector2([
p.x - points[i - 1].x,
p.y - points[i - 1].y,
]).normalize()
: new Vector2([
points[i + 1].x - p.x,
points[i + 1].y - p.y,
]).normalize();
}
else {
const vp = new Vector2([p.x - points[i - 1].x, p.y - points[i - 1].y]);
const vn = new Vector2([points[i + 1].x - p.x, points[i + 1].y - p.y]);
const cosTheta = Vector2.dot(vn, vp) / (vp.length() * vn.length());
const direction = vp.x * vn.y - vp.y * vn.x > 0; //det(vp|vn)>0?
const theta = direction ? acos(cosTheta) : -acos(cosTheta);
angle = angleBase + theta / 2;
len = offset / cos(theta / 2);
baseUnitVec = Vector2.from(vp).normalize();
}
return new Matrix()
.scale(len, len)
.rotate(angle)
.translate(p.x, p.y)
.apply(baseUnitVec);
});
}
// /**
// * 点线碰撞检测
// * @param pa 线段a端坐标
// * @param pb 线段b端坐标
// * @param p 点坐标
// * @param tolerance 容忍度,越大检测范围越大
// * @returns
// */
// export function linePoint(pa: Point, pb: Point, p: Point, tolerance: number): boolean {
// return (Math.abs(distanceSquared(pa.x, pa.y, pb.x, pb.y) - (distanceSquared(pa.x, pa.y, p.x, p.y) + distanceSquared(pb.x, pb.y, p.x, p.y))) <= tolerance)
// }
/**
* 根据点到直线的垂直距离计算碰撞
* @param pa 线段a端坐标
* @param pb 线段b端坐标
* @param p 点坐标
* @param lineWidth 线宽
* @param exact 是否精确使用给定线宽否则线宽会设置为8
* @returns
*/
function linePoint(pa, pb, p, lineWidth, exact = false) {
if (!exact && lineWidth < 6) {
lineWidth = 6;
}
// 求直线的一般方程参数ABC直线的一般式方程AX+BY+C=0
const A = pa.y - pb.y;
const B = pb.x - pa.x;
const C = pa.x * pb.y - pa.y * pb.x;
// 计算点到直线垂直距离: d = |Ax+By+C|/sqrt(A*A+B*B),其中x,y为点坐标
const dl = Math.abs(A * p.x + B * p.y + C) / Math.sqrt(A * A + B * B);
const intersect = dl <= lineWidth / 2;
if (intersect) {
// 距离在线宽范围内,再判断点是否超过线段两端点范围外(两端点外会有一点误差,两端点线宽一半半径的圆范围内)
const da = distance(pa.x, pa.y, p.x, p.y);
const db = distance(pb.x, pb.y, p.x, p.y);
const dab = distance(pa.x, pa.y, pb.x, pb.y);
return da <= dl + dab && db <= dl + dab;
}
return false;
}
/**
* 折线与点碰撞
* @param points 折线端点列表
* @param p 点座标
* @param lineWidth 线宽
*/
function polylinePoint(points, p, lineWidth) {
const len = points.length;
for (let i = 0; i < len - 1; i++) {
if (linePoint(points[i], points[i + 1], p, lineWidth)) {
return true;
}
}
return false;
}
/**
* 线线碰撞检测
* @param pa 线段1a端坐标
* @param pb 线段1b端坐标
* @param p1 线段2a端坐标
* @param p2 线段2b端坐标
* @returns
*/
function lineLine(pa, pb, p1, p2) {
const x1 = pa.x;
const y1 = pa.y;
const x2 = pb.x;
const y2 = pb.y;
const x3 = p1.x;
const y3 = p1.y;
const x4 = p2.x;
const y4 = p2.y;
const s1_x = x2 - x1;
const s1_y = y2 - y1;
const s2_x = x4 - x3;
const s2_y = y4 - y3;
const s = (-s1_y * (x1 - x3) + s1_x * (y1 - y3)) / (-s2_x * s1_y + s1_x * s2_y);
const t = (s2_x * (y1 - y3) - s2_y * (x1 - x3)) / (-s2_x * s1_y + s1_x * s2_y);
return s >= 0 && s <= 1 && t >= 0 && t <= 1;
}
/**
* 点和矩形碰撞检测
* @param p 点作弊
* @param rect 矩形
* @returns
*/
function pointBox(p, rect) {
const { x, y, width, height } = rect;
const x2 = p.x;
const y2 = p.y;
return x2 >= x && x2 <= x + width && y2 >= y && y2 <= y + height;
}
/**
* 线和矩形碰撞检测
* @param pa 线段a端坐标
* @param pb 线段b端坐标
* @param rect 矩形
* @returns
*/
function lineBox(pa, pb, rect) {
if (pointBox(pa, rect) || pointBox(pb, rect)) {
return true;
}
const { x, y, width, height } = rect;
const rp1 = new Point(x, y);
const rp2 = new Point(x + width, y);
const rp3 = new Point(x + width, y + height);
const rp4 = new Point(x, y + height);
return (lineLine(pa, pb, rp1, rp2) ||
lineLine(pa, pb, rp2, rp3) ||
lineLine(pa, pb, rp3, rp4) ||
lineLine(pa, pb, rp1, rp4));
}
/**
* 多线段和矩形碰撞检测
* @param points
* @param rect
* @returns false / 碰撞的线段序号
*/
function polylineBox(points, rect) {
if (points.length < 2) {
return false;
}
for (let i = 0; i < points.length - 1; i++) {
const p1 = points[i];
const p2 = points[i + 1];
if (lineBox(p1, p2, rect)) {
return true;
}
}
return false;
}
/**
* 两点碰撞检测
* @param p1
* @param p2
* @param tolerance
* @returns
*/
function pointPoint2(p1, p2, tolerance) {
return pointPoint(p1.x, p1.y, p2.x, p2.y, tolerance);
}
/**
* 两点碰撞检测
* @param x1
* @param y1
* @param x2
* @param y2
* @param tolerance 容忍度/两点半径和
* @returns
*/
function pointPoint(x1, y1, x2, y2, tolerance) {
return distance(x1, y1, x2, y2) <= tolerance;
}
/**
* 两点距离
* @param x1
* @param y1
* @param x2
* @param y2
* @returns
*/
function distance(x1, y1, x2, y2) {
return Math.sqrt(Math.pow(x1 - x2, 2) + Math.pow(y1 - y2, 2));
}
/**
* 两点距离
* @param p1
* @param p2
* @returns
*/
function distance2(p1, p2) {
return distance(p1.x, p1.y, p2.x, p2.y);
}
/**
* 圆和点的碰撞检测
* @param x1 圆心x
* @param y1 圆心y
* @param r1 圆半径
* @param x2 点x
* @param y2 点y
* @returns
*/
function circlePoint(x1, y1, r1, x2, y2) {
const x = x2 - x1;
const y = y2 - y1;
return x * x + y * y <= r1 * r1;
}
/**
* 圆和点的碰撞检测--不包括圆内部
*/
function circlePoint2(x1, y1, r1, x2, y2, tolerance) {
const x = x2 - x1;
const y = y2 - y1;
return (x * x + y * y <= (r1 + tolerance) * (r1 + tolerance) &&
x * x + y * y >= (r1 - tolerance) * (r1 - tolerance));
}
/**
* 点和多边形碰撞检测
*/
function pointPolygon(p, points, lineWidth) {
const { x, y } = p;
const length = points.length;
let c = false;
let i, j;
for (i = 0, j = length - 1; i < length; i++) {
if (points[i].y > y !== points[j].y > y &&
x <
((points[j].x - points[i].x) * (y - points[i].y)) /
(points[j].y - points[i].y) +
points[i].x) {
c = !c;
}
j = i;
}
if (c) {
return true;
}
for (i = 0; i < length - 1; i++) {
let p1, p2;
if (i === length - 1) {
p1 = points[i];
p2 = points[0];
}
else {
p1 = points[i];
p2 = points[i + 1];
}
if (linePoint(p1, p2, p, lineWidth)) {
return true;
}
}
return false;
}
/**
* 线和多边形碰撞检测
* @param p1
* @param p2
* @param points
* @param tolerance 多边形包围线宽
* @returns
*/
function linePolygon(p1, p2, points, lineWidth, polygonWidth) {
if (pointPolygon(p1, points, polygonWidth)) {
return true;
}
const length = points.length;
for (let i = 0; i < length; i++) {
let pa, pb;
if (i === length - 1) {
pa = points[i];
pb = points[0];
}
else {
pa = points[i];
pb = points[i + 1];
}
// TODO:此处后续需考虑有线宽的情况
if (lineLine(pa, pb, p1, p2)) {
return true;
}
}
return false;
}
/**
* 多边线与多边形碰撞检测
* @param polylinePoints 多边线所有点坐标
* @param polygonPoints 多边形所有点坐标
* @param polylineWidth 多边线的线宽
* @param polygonWidth 多边形线宽
* @returns
*/
function polylinePolygon(polylinePoints, polygonPoints, polylineWidth, polygonWidth) {
const length = polylinePoints.length;
for (let i = 0; i < length - 1; i++) {
const p1 = polylinePoints[i];
const p2 = polylinePoints[i + 1];
if (linePolygon(p1, p2, polygonPoints, polylineWidth, polygonWidth)) {
return true;
}
}
return false;
}
function debounce(fn, waitMs = 250) {
let timeoutId;
const debouncedFunction = function (context, ...args) {
const invokeFunction = function () {
timeoutId = undefined;
fn.apply(context, args);
};
if (timeoutId !== undefined) {
// console.debug('debounce clear timeout', fn);
clearTimeout(timeoutId);
}
timeoutId = setTimeout(invokeFunction, waitMs);
};
debouncedFunction.cancel = function () {
if (timeoutId !== undefined) {
clearTimeout(timeoutId);
}
};
return debouncedFunction;
}
const UP = new Point(0, -1);
const DOWN = new Point(0, 1);
const LEFT = new Point(-1, 0);
const RIGHT = new Point(1, 0);
/**
* 越界结果
*/
class OutOfBound {
left;
top;
right;
bottom;
constructor(left, top, right, bottom) {
this.left = left;
this.top = top;
this.right = right;
this.bottom = bottom;
}
static check(rect, bound) {
const left = rect.left < bound.left;
const top = rect.top < bound.top;
const right = rect.right > bound.right;
const bottom = rect.bottom > bound.bottom;
return new OutOfBound(left, top, right, bottom);
}
static none() {
return new OutOfBound(false, false, false, false);
}
static leftOut() {
return new OutOfBound(true, false, false, false);
}
static topOut() {
return new OutOfBound(false, true, false, false);
}
static rightOut() {
return new OutOfBound(false, false, true, false);
}
static bottomOut() {
return new OutOfBound(false, false, false, true);
}
static leftTopOut() {
return new OutOfBound(true, true, false, false);
}
static rightBottomOut() {
return new OutOfBound(false, false, true, true);
}
}
/* eslint-disable @typescript-eslint/no-unused-vars */
/**
* 可吸附点图形参数
*/
const AbsorbablePointParam = {
lineWidth: 1,
lineColor: '#000000',
fillColor: '#E77E0E',
radius: 5, // 半径
};
const AbsorbablePointGraphic = new Graphics();
// AbsorbablePointGraphic.lineStyle(
// AbsorbablePointParam.lineWidth,
// AbsorbablePointParam.lineColor
// );
AbsorbablePointGraphic.beginFill(AbsorbablePointParam.fillColor);
AbsorbablePointGraphic.drawCircle(0, 0, AbsorbablePointParam.radius);
AbsorbablePointGraphic.endFill();
/**
* 可吸附点
*/
class AbsorbablePoint extends Graphics {
_point;
absorbRange;
scaledListenerOn = false;
/**
*
* @param point 画布坐标
* @param absorbRange
*/
constructor(point, absorbRange = 10) {
super(AbsorbablePointGraphic.geometry);
this._point = new Point(point.x, point.y);
this.absorbRange = absorbRange;
this.position.copyFrom(this._point);
this.interactive;
VectorGraphicUtil.handle(this);
}
compareTo(other) {
if (other instanceof AbsorbablePoint) {
return this.absorbRange - other.absorbRange;
}
throw new Error('非可吸附点');
}
isOverlapping(other) {
if (other instanceof AbsorbablePoint) {
return (this._point.equals(other._point) &&
this.absorbRange === other.absorbRange);
}
return false;
}
tryAbsorb(...objs) {
for (let i = 0; i < objs.length; i++) {
const obj = objs[i];
const canvasPosition = obj.getPositionOnCanvas();
if (distance(this._point.x, this._point.y, canvasPosition.x, canvasPosition.y) < this.absorbRange) {
obj.updatePositionByCanvasPosition(this._point);
}
}
}
updateOnScaled() {
const scaled = this.getAllParentScaled();
const scale = Math.max(scaled.x, scaled.y);
this.scale.set(1 / scale, 1 / scale);
}
}
/**
* 可吸附线
*/
class AbsorbableLine extends Graphics {
p1;
p2;
absorbRange;
_color = '#E77E0E';
/**
*
* @param p1 画布坐标
* @param p2 画布坐标
* @param absorbRange
*/
constructor(p1, p2, absorbRange = 20) {
super();
this.p1 = new Point(p1.x, p1.y);
this.p2 = new Point(p2.x, p2.y);
this.absorbRange = absorbRange;
this.redraw();
}
isOverlapping(other) {
if (other instanceof AbsorbableLine) {
const contain = isLineContainOther({ p1: this.p1, p2: this.p2 }, { p1: other.p1, p2: other.p2 });
return contain;
}
return false;
}
compareTo(other) {
if (other instanceof AbsorbableLine) {
return distance2(this.p1, this.p2) - distance2(other.p1, other.p2);
}
throw new Error('非可吸附线');
}
redraw() {
this.clear();
this.lineStyle(1, new Color(this._color));
this.moveTo(this.p1.x, this.p1.y);
this.lineTo(this.p2.x, this.p2.y);
}
tryAbsorb(...objs) {
for (let i = 0; i < objs.length; i++) {
const obj = objs[i];
const canvasPosition = obj.getPositionOnCanvas();
if (linePoint(this.p1, this.p2, canvasPosition, this.absorbRange, true)) {
const fp = calculateFootPointFromPointToLine(this.p1, this.p2, canvasPosition);
obj.updatePositionByCanvasPosition(fp);
}
}
}
}
/**
* 可吸附圆
*/
class AbsorbableCircle extends Graphics {
absorbRange;
p0;
radius;
_color = '#E77E0E';
/**
*
* @param p 画布坐标
* @param radius
* @param absorbRange
*/
constructor(p, radius, absorbRange = 10) {
super();
this.p0 = new Point(p.x, p.y);
this.radius = radius;
this.absorbRange = absorbRange;
this.redraw();
}
isOverlapping(other) {
if (other instanceof AbsorbableCircle) {
return this.p0.equals(other.p0) && this.radius === other.radius;
}
return false;
}
compareTo(other) {
if (other instanceof AbsorbableCircle) {
return this.absorbRange - other.absorbRange;
}
throw new Error('非可吸附圆');
}
redraw() {
this.clear();
this.lineStyle(1, new Color(this._color));
this.drawCircle(this.p0.x, this.p0.y, this.radius);
}
tryAbsorb(...objs) {
for (let i = 0; i < objs.length; i++) {
const obj = objs[i];
const canvasPosition = obj.getPositionOnCanvas();
const len = distance(this.p0.x, this.p0.y, canvasPosition.x, canvasPosition.y);
if (len > this.radius - this.absorbRange &&
len < this.radius + this.absorbRange) {
// 吸附,计算直线与圆交点,更新对象坐标
const p = calculateIntersectionPointOfCircleAndPoint(this.p0, this.radius, canvasPosition);
obj.updatePositionByCanvasPosition(p);
}
}
}
}
const DefaultDashedLineOptions = {
length: 4,
startSpace: 0,
space: 4,
lineWidth: 1,
color: '#0000ff',
};
class DashedLine extends Container {
p1;
p2;
_options;
constructor(p1, p2, options) {
super();
const config = Object.assign({}, DefaultDashedLineOptions, options);
this._options = config;
this.p1 = new Point(p1.x, p1.y);
this.p2 = new Point(p2.x, p2.y);
this.redraw();
}
setOptions(options) {
if (options.startSpace != undefined) {
this._options.startSpace = options.startSpace;
}
if (options.length != undefined) {
this._options.length = options.length;
}
if (options.space != undefined) {
this._options.space = options.space;
}
if (options.lineWidth != undefined) {
this._options.lineWidth = options.lineWidth;
}
if (options.color != undefined) {
this._options.color = options.color;
}
this.redraw();
}
redraw() {
this.removeChildren();
const p1 = this.p1;
const p2 = this.p2;
const option = this._options;
const total = Math.pow(Math.pow(p1.x - p2.x, 2) + Math.pow(p1.y - p2.y, 2), 0.5);
let len = option.startSpace;
while (len < total) {
let dashedLen = option.length;
if (len + option.length > total) {
dashedLen = total - len;
}
const line = new Graphics();
line.lineStyle(option.lineWidth, option.color);
line.moveTo(len, 0);
line.lineTo(len + dashedLen, 0);
this.addChild(line);
len = len + dashedLen + option.space;
}
this.pivot.set(0, option.lineWidth / 2);
this.position.set(p1.x, p1.y);
this.angle = angleToAxisx(p1, p2);
}
}
class GraphicEditPlugin extends Container {
graphic;
constructor(g) {
super();
this.graphic = g;
this.zIndex = 2;
this.sortableChildren = true;
this.graphic.on('transformstart', this.hideAll, this);
this.graphic.on('transformend', this.showAll, this);
this.graphic.on('repaint', this.updateEditedPointsPosition, this);
}
destroy(options) {
this.graphic.off('transformstart', this.hideAll, this);
this.graphic.off('transformend', this.showAll, this);
this.graphic.off('repaint', this.updateEditedPointsPosition, this);
super.destroy(options);
}
hideAll() {
this.visible = false;
}
showAll() {
this.updateEditedPointsPosition();
this.visible = true;
}
}
class LineEditPlugin extends GraphicEditPlugin {
linePoints;
editedPoints = [];
constructor(g) {
super(g);
this.linePoints = g.linePoints;
this.graphic.on('dataupdate', this.reset, this);
}
destroy(options) {
this.graphic.off('dataupdate', this.reset, this);
super.destroy(options);
}
reset() {
this.linePoints = this.graphic.linePoints;
this.removeChildren();
this.editedPoints.splice(0, this.editedPoints.length);
this.initEditPoints();
}
}
function getWayLineIndex(points, p) {
let start = 0;
let end = 0;
let minDistance = 0;
for (let i = 1; i < points.length; i++) {
const sp = points[i - 1];
const ep = points[i];
let distance = calculateDistanceFromPointToLine(sp, ep, p);
distance = Math.round(distance * 100) / 100;
if (i == 1) {
minDistance = distance;
}
if (distance == minDistance) {
const minX = Math.min(sp.x, ep.x);
const maxX = Math.max(sp.x, ep.x);
const minY = Math.min(sp.y, ep.y);
const maxY = Math.max(sp.y, ep.y);
const point = calculateFootPointFromPointToLine(sp, ep, p);
if (point.x >= minX &&
point.x <= maxX &&
point.y >= minY &&
point.y <= maxY) {
start = i - 1;
}
}
if (distance < minDistance) {
minDistance = distance;
start = i - 1;
}
}
end = start + 1;
return { start, end };
}
function getWaypointRangeIndex(points, curve, p, lineWidth) {
let start = 0;
let end = 0;
if (!curve) {
// 直线
for (let i = 1; i < points.length; i++) {
const sp = points[i - 1];
const ep = points[i];
const fp = calculateFootPointFromPointToLine(sp, ep, p);
if (linePoint(sp, ep, fp, 1, true)) {
start = i - 1;
end = i;
break;
}
}
}
else {
// 贝塞尔曲线
const bps = convertToBezierParams(points);
for (let i = 0; i < bps.length; i++) {
const bp = bps[i];
if (pointPolygon(p, [bp.p1, bp.cp1, bp.cp2, bp.p2], lineWidth)) {
start = i * 3;
end = start + 3;
}
}
// assertBezierPoints(points);
// for (let i = 0; i < points.length - 3; i += 3) {
// const p1 = points[i];
// const cp1 = points[i + 1];
// const cp2 = points[i + 2];
// const p2 = points[i + 3];
// if (pointPolygon(p, [p1, cp1, cp2, p2], lineWidth)) {
// start = i;
// end = i + 3;
// }
// }
}
return { start, end };
}
/**
* 折线编辑(兼容线段)
*/
class PolylineEditPlugin extends LineEditPlugin {
static Name = 'line_points_edit';
options;
constructor(g, options) {
super(g);
this.options = Object.assign({}, options);
this.name = PolylineEditPlugin.Name;
this.initEditPoints();
}
initEditPoints() {
const cps = this.graphic.localToCanvasPoints(...this.linePoints);
for (let i = 0; i < cps.length; i++) {
const p = cps[i];
const dp = new DraggablePoint(p);
dp.on('transforming', () => {
const tlp = this.graphic.canvasToLocalPoint(dp.position);
const cp = this.linePoints[i];
cp.x = tlp.x;
cp.y = tlp.y;
this.graphic.repaint();
});
if (this.options.onEditPointCreate) {
this.options.onEditPointCreate(this.graphic, dp, i);
}
this.editedPoints.push(dp);
}
this.addChild(...this.editedPoints);
}
updateEditedPointsPosition() {
const cps = this.graphic.localToCanvasPoints(...this.linePoints);
if (cps.length === this.editedPoints.length) {
for (let i = 0; i < cps.length; i++) {
const cp = cps[i];
this.editedPoints[i].position.copyFrom(cp);
}
}
}
}
function addWayPoint(graphic, curve, start, end, p) {
if (!curve) {
addLineWayPoint(graphic, start, end, p);
}
else {
addBezierWayPoint(graphic, start, end, p);
}
}
function addLineWayPoint(graphic, start, end, p) {
const linePoints = graphic.linePoints;
const points = linePoints.slice(0, start + 1);
points.push(new Point(p.x, p.y));
points.push(...linePoints.slice(end));
graphic.linePoints = points;
}
function addPolygonSegmentingPoint(graphic, start, end, knife = 2) {
const linePoints = graphic.linePoints;
const points = linePoints.slice(0, start + 1);
points.push(...calculateLineSegmentingPoint(linePoints[start], linePoints[end], knife));
points.push(...linePoints.slice(end));
graphic.linePoints = points;
}
function assertBezierWayPoint(i) {
const c = i % 3;
if (c !== 0) {
throw new Error(`i=${i}的点不是路径点`);
}
}
function addBezierWayPoint(graphic, start, end, p) {
if (start === end) {
console.error('添加贝塞尔曲线路径点开始结束点相等', start);
throw new Error('开始结束点不能一致');
}
assertBezierWayPoint(start);
assertBezierWayPoint(end);
const linePoints = graphic.linePoints;
const points = linePoints.slice(0, start + 2);
const ap = new Point(p.x, p.y);
points.push(ap.clone(), ap.clone(), ap.clone());
points.push(...linePoints.slice(end - 1));
graphic.linePoints = points;
}
function removeWayPoint(graphic, curve, i) {
if (!curve) {
removeLineWayPoint(graphic, i);
}
else {
removeBezierWayPoint(graphic, i);
}
}
function removeLineWayPoint(graphic, i) {
const linePoints = graphic.linePoints;
if (linePoints.length > 2) {
const points = linePoints.slice(0, i);
points.push(...linePoints.slice(i + 1));
graphic.linePoints = points;
}
}
function removeBezierWayPoint(graphic, i) {
let points;
const linePoints = graphic.linePoints;
const c = i % 3;
if (c !== 0) {
throw new Error(`i=${i}的点${linePoints[i]}不是路径点`);
}
if (i === 0) {
// 第一个点
if (linePoints.length > 4) {
points = linePoints.slice(3);
}
else {
console.error('不能移除:剩余点数不足');
}
}
else if (i === linePoints.length - 1) {
// 最后一个点
if (linePoints.length > 4) {
points = linePoints.slice(0, linePoints.length - 3);
}
else {
console.error('无法移除:剩余点数不足');
}
}
else {
// 中间点
points = linePoints.slice(0, i - 1);
points.push(...linePoints.slice(i + 2));
}
if (points) {
graphic.linePoints = points;
}
}
/**
* 清除路径点(只留端点),适用于直线和贝塞尔曲线
* @param graphic
* @param curve
*/
function clearWayPoint(graphic, curve) {
const linePoints = graphic.linePoints;
if (!curve) {
if (linePoints.length > 2) {
const points = linePoints.slice(0, 1);
points.push(...linePoints.slice(-1));
graphic.linePoints = points;
}
}
else {
if (linePoints.length > 4) {
const points = linePoints.slice(0, 2);
points.push(...linePoints.slice(-2));
graphic.linePoints = points;
}
}
}
/**
* 贝塞尔曲线编辑
*/
class BezierCurveEditPlugin extends LineEditPlugin {
static Name = 'bezier_curve_points_edit';
options;
// 曲线控制点辅助线
auxiliaryLines = [];
constructor(g, options) {
super(g);
this.options = Object.assign({}, { smooth: true }, options);
this.name = BezierCurveEditPlugin.Name;
this.initEditPoints();
}
reset() {
this.auxiliaryLines.splice(0, this.auxiliaryLines.length);
super.reset();
}
initEditPoints() {
const cps = this.graphic.localToCanvasPoints(...this.linePoints);
for (let i = 0; i < cps.length; i++) {
const p = cps[i];
const dp = new DraggablePoint(p);
const startOrEnd = i == 0 || i == cps.length - 1;
const c = i % 3;
if (c === 1) {
// 前一路径点的控制点
dp.zIndex = 2;
const fp = cps[i - 1];
const line = new Graphics();
this.drawAuxiliaryLine(line, fp, p);
this.auxiliaryLines.push(line);
}
else if (c === 2) {
// 后一路径点的控制点
dp.zIndex = 3;
const np = cps[i + 1];
const line = new Graphics();
this.drawAuxiliaryLine(line, p, np);
this.auxiliaryLines.push(line);
}
dp.on('transforming', (e) => {
const tlp = this.graphic.canvasToLocalPoint(dp.position);
const cp = this.linePoints[i];
cp.x = tlp.x;
cp.y = tlp.y;
if (this.options.smooth || this.options.symmetry) {
if (c === 0 && !startOrEnd) {
const shiftData = e.getData();
const fp = this.linePoints[i - 1];
const np = this.linePoints[i + 1];
fp.x = fp.x + shiftData.dx;
fp.y = fp.y + shiftData.dy;
np.x = np.x + shiftData.dx;
np.y = np.y + shiftData.dy;
}
else if (c === 1 && i !== 1) {
const bp = this.linePoints[i - 1];
const fp2 = this.linePoints[i - 2];
let mp;
if (this.options.symmetry) {
mp = calculateMirrorPoint(bp, cp);
}
else {
const distance = distance2(bp, fp2);
mp = calculateMirrorPoint(bp, cp, distance);
}
fp2.x = mp.x;
fp2.y = mp.y;
}
else if (c === 2 && i !== cps.length - 2) {
const bp = this.linePoints[i + 1];
const np2 = this.linePoints[i + 2];
let mp;
if (this.options.symmetry) {
mp = calculateMirrorPoint(bp, cp);
}
else {
const distance = distance2(bp, np2);
mp = calculateMirrorPoint(bp, cp, distance);
}
np2.x = mp.x;
np2.y = mp.y;
}
}
this.graphic.repaint();
});
if (this.options.onEditPointCreate) {
this.options.onEditPointCreate(this.graphic, dp, i);
}
this.editedPoints.push(dp);
if (this.auxiliaryLines.length > 0) {
this.addChild(...this.auxiliaryLines);
}
}
this.addChild(...this.editedPoints);
}
drawAuxiliaryLine(line, p1, p2) {
line.clear();
if (this.options.auxiliaryLineColor) {
line.lineStyle(1, new Color(this.options.auxiliaryLineColor));
}
else {
line.lineStyle(1, new Color('blue'));
}
line.moveTo(p1.x, p1.y);
line.lineTo(p2.x, p2.y);
}
updateEditedPointsPosition() {
const cps = this.graphic.localToCanvasPoints(...this.linePoints);
if (cps.length === this.editedPoints.length) {
for (let i = 0; i < cps.length; i++) {
const cp = cps[i];
this.editedPoints[i].position.copyFrom(cp);
const c = i % 3;
const d = Math.floor(i / 3);
if (c === 1 || c === 2) {
const li = d * 2 + c - 1;
const line = this.auxiliaryLines[li];
if (c === 1) {
const fp = cps[i - 1];
this.drawAuxiliaryLine(line, fp, cp);
}
else {
const np = cps[i + 1];
this.drawAuxiliaryLine(line, cp, np);
}
}
}
}
}
}
/* eslint-disable @typescript-eslint/no-explicit-any */
class ShiftData {
/**
* 起始位置
*/
startPosition;
/**
* 上一次终点位置
*/
lastPosition;
/**
* 当前位置
*/
currentPosition;
constructor(startPosition, currentPosition, lastPosition) {
this.startPosition = startPosition;
this.lastPosition = lastPosition;
this.currentPosition = currentPosition;
}
static new(startPosition, currentPosition, lastPosition) {
return new ShiftData(startPosition, currentPosition, lastPosition);
}
get dx() {
if (!this.lastPosition || !this.currentPosition) {
throw new Error('错误的位移数据或阶段');
}
return this.currentPosition.x - this.lastPosition.x;
}
get dy() {
if (!this.lastPosition || !this.currentPosition) {
throw new Error('错误的位移数据或阶段');
}
return this.currentPosition.y - this.lastPosition.y;
}
get dsx() {
if (!this.currentPosition) {
throw new Error('错误的位移数据或阶段');
}
return this.currentPosition.x - this.startPosition.x;
}
get dsy() {
if (!this.currentPosition) {
throw new Error('错误的位移数据或阶段');
}
return this.currentPosition.y - this.startPosition.y;
}
}
class ScaleData {
start;
current;
last;
constructor(start, current, last) {
this.start = start;
this.current = current;
this.last = last;
}
static new(start, current, last) {
return new ScaleData(start, current, last);
}
}
/**
* 图形平移事件
*/
class GraphicTransformEvent {
/**
* 图形对象
*/
target;
type;
data;
constructor(target, type, data) {
this.target = target;
this.type = type;
this.data = data;
}
getData() {
return this.data;
}
static shift(target, data) {
return new GraphicTransformEvent(target, 'shift', data);
}
static scale(target) {
return new GraphicTransformEvent(target, 'scale', null);
}
static rotate(target) {
return new GraphicTransformEvent(target, 'rotate', null);
}
static skew(target) {
return new GraphicTransformEvent(target, 'skew', null);
}
isShift() {
return this.type === 'shift';
}
isRotate() {
return this.type === 'rotate';
}
isScale() {
return this.type === 'scale';
}
isSkew() {
return this.type === 'skew';
}
}
class GraphicTransformPlugin extends InteractionPluginBase {
static Name = '__graphic_transform_plugin';
/**
* 可吸附位置列表
*/
absorbablePositions;
apContainer;
static AbsorbablePosisiontsName = '__AbsorbablePosisionts';
constructor(app) {
super(app, GraphicTransformPlugin.Name, InteractionPluginType.Other);
this.apContainer = new Container();
this.apContainer.name = GraphicTransformPlugin.AbsorbablePosisiontsName;
this.app.canvas.addAssistantAppend(this.apContainer);
app.on('options-update', (options) => {
if (options.absorbablePositions) {
this.absorbablePositions = this.filterAbsorbablePositions(options.absorbablePositions);
}
});
}
/**
* 过滤重复的吸附位置
* @param positions
* @returns
*/
filterAbsorbablePositions(positions) {
const aps = [];
for (let i = 0; i < positions.length; i++) {
const ap1 = positions[i];
let ap = ap1;
for (let j = positions.length - 1; j > i; j--) {
const ap2 = positions[j];
if (ap.isOverlapping(ap2) && ap.compareTo(ap2) <= 0) {
ap = null;
break;
}
}
if (ap != null) {
aps.push(ap);
}
}
return aps;
}
static new(app) {
return new GraphicTransformPlugin(app);
}
bind() {
this.app.on('drag_op_start', this.onDragStart, this);
this.app.on('drag_op_move', this.onDragMove, this);
this.app.on('drag_op_end', this.onDragEnd, this);
this.app.on('graphicselectedchange', this.onGraphicSelectedChange, this);
this.app.on('graphicchildselectedchange', this.onGraphicSelectedChange, this);
}
unbind() {
this.app.off('drag_op_start', this.onDragStart, this);
this.app.off('drag_op_move', this.onDragMove, this);
this.app.off('drag_op_end', this.onDragEnd, this);
this.app.off('graphicselectedchange', this.onGraphicSelectedChange, this);
this.app.off('graphicchildselectedchange', this.onGraphicSelectedChange, this);
}
getDraggedTargets(e) {
const targets = [];
if (e.target.isGraphicChild() && e.target.selected && e.target.draggable) {
const graphic = e.target.getGraphic();
// 图形子元素
recursiveChildren(graphic, (child) => {
if (child.selected && child.draggable) {
targets.push(child);
}
});
}
else if ((e.target.isGraphic() || e.target.isGraphicChild()) &&
e.target.getGraphic()?.draggable) {
// 图形对象
targets.push(...this.app.selectedGraphics);
}
else if (e.target.draggable) {
targets.push(e.target);
}
return targets;
}
onDragStart(e) {
if (!e.target.isCanvas() && e.isLeftButton) {
const targets = this.getDraggedTargets(e);
if (targets.length > 0) {
targets.forEach((target) => {
target.shiftStartPoint = target.position.clone();
target.emit('transformstart', GraphicTransformEvent.shift(target, ShiftData.new(target.shiftStartPoint)));
});
// 显示吸附图形
if (this.absorbablePositions && this.absorbablePositions.length > 0) {
this.apContainer.removeChildren();
this.apContainer.addChild(...this.absorbablePositions);
}
}
}
}
onDragMove(e) {
if (!e.target.isCanvas() && e.isLeftButton) {
const targets = this.getDraggedTargets(e);
if (targets.length > 0) {
// 处理位移
targets.forEach((target) => {
if (target.shiftStartPoint) {
target.shiftLastPoint = target.position.clone();
const { dx, dy } = e.toTargetShiftLen(target.parent);
target.position.set(target.shiftStartPoint.x + dx, target.shiftStartPoint.y + dy);
}
});
// 处理吸附
if (this.absorbablePositions) {
for (let i = 0; i < this.absorbablePositions.length; i++) {
const ap = this.absorbablePositions[i];
ap.tryAbsorb(...targets);
}
}
// const start = new Date().getTime();
// 事件发布
targets.forEach((target) => {
if (target.shiftStartPoint && target.shiftLastPoint) {
target.emit('transforming', GraphicTransformEvent.shift(target, ShiftData.new(target.shiftStartPoint, target.position.clone(), target.shiftLastPoint)));
}
});
}
}
}
onDragEnd(e) {
if (!e.target.isCanvas() && e.isLeftButton) {
const targets = this.getDraggedTargets(e);
targets.forEach((target) => {
if (target.shiftStartPoint) {
target.emit('transformend', GraphicTransformEvent.shift(target, ShiftData.new(target.shiftStartPoint, target.position.clone())));
}
target.shiftStartPoint = null;
});
}
this.clearCache();
}
/**
* 清理缓存
*/
clearCache() {
// 移除吸附图形
this.absorbablePositions = [];
this.apContainer.removeChildren();
}
onGraphicSelectedChange(g, selected) {
let br = g.getAssistantAppend(BoundsGraphic.Name);
if (!br) {
// 绘制辅助包围框
br = new BoundsGraphic(g);
}
if (selected) {
if (br) {
br.redraw();
br.visible = true;
}
}
else {
if (br) {
br.visible = false;
}
}
if (g.scalable || g.rotatable) {
// 缩放点
let sp = g.getAssistantAppend(TransformPoints.Name);
if (!sp) {
sp = new TransformPoints(g);
}
if (selected) {
sp.update();
sp.visible = true;
}
else {
sp.visible = false;
}
}
}
}
/**
* 缩放、旋转辅助
*/
class TransformPoints extends Container {
static Name = 'transformPoints';
static MinLength = 40;
static LeftTopName = 'lt-scale-point';
static TopName = 't-scale-point';
static RightTopName = 'rt-scale-point';
static RightName = 'r-scale-point';
static RightBottomName = 'rb-scale-point';
static BottomName = 'b-scale-point';
static LeftBottomName = 'lb-scale-point';
static LeftName = 'l-scale-point';
static RotateName = 'rotate-point';
obj;
ltScalePoint;
ltLocal = new Point();
tScalePoint;
tLocal = new Point();
tCanvas = new Point();
rtScalePoint;
rtLocal = new Point();
rScalePoint;
rLocal = new Point();
rbScalePoint;
rbLocal = new Point();
bScalePoint;
bLocal = new Point();
lbScalePoint;
lbLocal = new Point();
lScalePoint;
lLocal = new Point();
originScale = new Point();
scalePivot = new Point();
/**
* 旋转拖拽点
*/
rotatePoint;
/**
* 旋转中心坐标
*/
rotatePivot;
/**
* 起始旋转坐标
*/
rotateLastPoint;
/**
* 起始图形角度
*/
startAngle = 0;
/**
* 当前角度信息文本辅助
*/
angleAssistantText;
/**
* 旋转角度步长
*/
angleStep = 1;
/**
* 修改旋转步长键盘监听
*/
rotateAngleStepKeyListeners = [];
constructor(obj) {
super();
this.obj = obj;
this.name = TransformPoints.Name;
this.angleAssistantText = new VectorText('', {
fill: AppConsts.assistantElementColor,
});
this.angleAssistantText.setVectorFontSize(16);
this.angleAssistantText.anchor.set(0.5);
// 创建缩放拖拽点
this.ltScalePoint = new DraggablePoint(new Point());
this.ltScalePoint.name = TransformPoints.LeftTopName;
this.addChild(this.ltScalePoint);
this.tScalePoint = new DraggablePoint(new Point());
this.tScalePoint.name = TransformPoints.TopName;
this.addChild(this.tScalePoint);
this.rtScalePoint = new DraggablePoint(new Point());
this.rtScalePoint.name = TransformPoints.RightTopName;
this.addChild(this.rtScalePoint);
this.rScalePoint = new DraggablePoint(new Point());
this.rScalePoint.name = TransformPoints.RightName;
this.addChild(this.rScalePoint);
this.rbScalePoint = new DraggablePoint(new Point());
this.rbScalePoint.name = TransformPoints.RightBottomName;
this.addChild(this.rbScalePoint);
this.bScalePoint = new DraggablePoint(new Point());
this.bScalePoint.name = TransformPoints.BottomName;
this.addChild(this.bScalePoint);
this.lbScalePoint = new DraggablePoint(new Point());
this.lbScalePoint.name = TransformPoints.LeftBottomName;
this.addChild(this.lbScalePoint);
this.lScalePoint = new DraggablePoint(new Point());
this.lScalePoint.name = TransformPoints.LeftName;
this.addChild(this.lScalePoint);
this.obj.on('transformstart', this.onObjTransformStart, this);
this.obj.on('transformend', this.onObjTransformEnd, this);
if (this.obj.children && this.obj.children.length > 0) {
recursiveChildren(this.obj, (child) => {
child.on('transformstart', this.onObjTransformStart, this);
child.on('transformend', this.onObjTransformEnd, this);
});
}
const pg = this.obj.getGraphic();
if (pg != null) {
pg.on('transformstart', this.onObjTransformStart, this);
pg.on('transformend', this.onObjTransformEnd, this);
}
this.obj.on('repaint', this.onGraphicRepaint, this);
this.children.forEach((dp) => {
dp.on('transformstart', this.onScaleDragStart, this);
dp.on('transforming', this.onScaleDragMove, this);
dp.on('transformend', this.onScaleDragEnd, this);
});
// 创建旋转拖拽点
this.rotatePoint = new DraggablePoint(new Point());
this.addChild(this.rotatePoint);
this.rotatePoint.on('transformstart', this.onRotateStart, this);
this.rotatePoint.on('transforming', this.onRotateMove, this);
this.rotatePoint.on('transformend', this.onRotateEnd, this);
this.rotatePivot = new Point();
this.rotateLastPoint = new Point();
// 初始化旋转角度修改键盘监听器
for (let i = 1; i < 10; i++) {
this.rotateAngleStepKeyListeners.push(KeyListener.create({
value: '' + i,
onPress: () => {
this.angleStep = i;
},
}));
}
this.obj.addAssistantAppend(this);
}
onObjTransformStart() {
this.visible = false;
}
onObjTransformEnd() {
this.update();
this.visible = true;
}
onGraphicRepaint() {
if (this.visible) {
this.update();
}
}
/**
* 旋转开始
* @param de
*/
onRotateStart(de) {
this.hideAll();
const assistantPoint = this.obj.localToCanvasPoint(this.obj.pivot);
this.rotatePivot.copyFrom(assistantPoint);
this.rotateLastPoint.copyFrom(de.target.position);
this.startAngle = this.obj.angle;
const app = this.obj.getGraphicApp();
this.rotateAngleStepKeyListeners.forEach((listener) => app.addKeyboardListener(listener));
this.obj.emit('transformstart', GraphicTransformEvent.rotate(this.obj));
// app.emit('transformstart', app.selectedGraphics);
this.obj.getCanvas().addAssistantAppends(this.angleAssistantText);
this.updateAngleAssistantText(de);
}
updateAngleAssistantText(de) {
this.angleAssistantText.text = this.obj.angle + '°';
let cursorPoint = de.data?.startPosition;
if (de.data?.currentPosition) {
cursorPoint = de.data?.currentPosition;
}
if (cursorPoint) {
this.angleAssistantText.position.x = cursorPoint.x;
this.angleAssistantText.position.y = cursorPoint.y - 10;
}
}
/**
* 旋转移动
* @param de
*/
onRotateMove(de) {
// 旋转角度计算逻辑取锚点y负方向一点作为旋转点求旋转点和锚点所形成的直线与x轴角度此角度+90°即为最终旋转角度再将旋转角度限制到(-180,180]之间
let angle = angleToAxisx(this.rotatePivot, de.target.position);
angle = Math.floor(angle / this.angleStep) * this.angleStep;
const parentAngle = this.obj.parent.worldAngle;
angle = (angle + 90 - parentAngle) % 360;
if (angle > 180) {
angle = angle - 360;
}
this.obj.angle = angle;
this.updateAngleAssistantText(de);
// this.obj.emit('rotatemove', this.obj);
}
/**
* 旋转结束
* @param de
*/
onRotateEnd() {
this.showAll();
this.obj.getCanvas().removeAssistantAppends(this.angleAssistantText);
this.rotateAngleStepKeyListeners.forEach((listener) => this.obj.getGraphicApp().removeKeyboardListener(listener));
this.obj.emit('transformend', GraphicTransformEvent.rotate(this.obj));
}
/**
* 缩放开始
*/
onScaleDragStart() {
this.hideAll();
const points = convertRectangleToPolygonPoints(this.obj.getLocalBounds());
const p0 = points[0];
const p1 = points[1];
const p2 = points[2];
const p3 = points[3];
this.scalePivot = this.obj.pivot.clone();
this.ltLocal.copyFrom(p0);
this.tCanvas.copyFrom(this.obj.localToCanvasPoint(calculateLineMidpoint(p0, p1)));
this.tLocal.copyFrom(calculateLineMidpoint(p0, p1));
this.rtLocal.copyFrom(p1);
this.rLocal.copyFrom(calculateLineMidpoint(p1, p2));
this.rbLocal.copyFrom(p2);
this.bLocal.copyFrom(calculateLineMidpoint(p2, p3));
this.lbLocal.copyFrom(p3);
this.lLocal.copyFrom(calculateLineMidpoint(p0, p3));
this.originScale = this.obj.scale.clone();
this.obj.emit('transformstart', GraphicTransformEvent.scale(this.obj));
}
onScaleDragMove(e) {
// 缩放计算逻辑共8个方向缩放点根据所拖拽的方向:
// 1,计算缩放为1时的此点在拖拽开始时的位置到锚点x、y距离
// 2,计算拖拽点的当前位置到锚点的x、y方向距离
// PS:以上两个计算都是在local也就是图形对象本地坐标系
// 用当前距离除以原始距离即为缩放比例
const defaultScale = new Point(1, 1);
let originWidth = 0;
let originHeight = 0;
let width = 0;
let height = 0;
this.obj.scale.copyFrom(defaultScale);
const point = this.obj.toLocal(e.target.parent.localToScreenPoint(e.target.position));
if (e.target === this.ltScalePoint) {
// 左上角
originWidth = Math.abs(this.ltLocal.x - this.scalePivot.x);
originHeight = Math.abs(this.ltLocal.y - this.scalePivot.y);
width = Math.abs(point.x - this.scalePivot.x);
height = Math.abs(point.y - this.scalePivot.y);
}
else if (e.target == this.tScalePoint) {
// 上
originHeight = Math.abs(this.tLocal.y - this.scalePivot.y);
height = Math.abs(point.y - this.scalePivot.y);
}
else if (e.target == this.rtScalePoint) {
// 右上
originWidth = Math.abs(this.rtLocal.x - this.scalePivot.x);
originHeight = Math.abs(this.rtLocal.y - this.scalePivot.y);
width = Math.abs(point.x - this.scalePivot.x);
height = Math.abs(point.y - this.scalePivot.y);
}
else if (e.target == this.rScalePoint) {
// 右
originWidth = Math.abs(this.rLocal.x - this.scalePivot.x);
width = Math.abs(point.x - this.scalePivot.x);
}
else if (e.target == this.rbScalePoint) {
// 右下
originWidth = Math.abs(this.rbLocal.x - this.scalePivot.x);
originHeight = Math.abs(this.rbLocal.y - this.scalePivot.y);
width = Math.abs(point.x - this.scalePivot.x);
height = Math.abs(point.y - this.scalePivot.y);
}
else if (e.target == this.bScalePoint) {
// 下
originHeight = Math.abs(this.bLocal.y - this.scalePivot.y);
height = Math.abs(point.y - this.scalePivot.y);
}
else if (e.target == this.lbScalePoint) {
// 左下
originWidth = Math.abs(this.lbLocal.x - this.scalePivot.x);
originHeight = Math.abs(this.lbLocal.y - this.scalePivot.y);
width = Math.abs(point.x - this.scalePivot.x);
height = Math.abs(point.y - this.scalePivot.y);
}
else {
// 左
originWidth = Math.abs(this.lLocal.x - this.scalePivot.x);
width = Math.abs(point.x - this.scalePivot.x);
}
// 计算缩放比例,并根据是否保持纵横比两种情况进行缩放处理
const sx = originWidth == 0 ? this.originScale.x : width / originWidth;
const sy = originHeight == 0 ? this.originScale.y : height / originHeight;
if (this.obj.keepAspectRatio) {
let max = Math.max(sx, sy);
if (originWidth == 0) {
max = sy;
}
else if (originHeight == 0) {
max = sx;
}
this.obj.scale.set(max, max);
}
else {
this.obj.scale.x = sx;
this.obj.scale.y = sy;
}
}
onScaleDragEnd() {
this.showAll();
this.obj.emit('transformend', GraphicTransformEvent.scale(this.obj));
}
hideOthers(dg) {
this.children.forEach((child) => {
if (child.name !== dg.name) {
child.visible = false;
}
});
}
hideAll() {
this.children.forEach((child) => (child.visible = false));
}
showAll() {
this.update();
this.children.forEach((child) => (child.visible = true));
}
getObjBounds() {
const points = this.obj.localBoundsToCanvasPoints();
const p0 = points[0];
const p1 = points[1];
const p3 = points[3];
const width = distance(p0.x, p0.y, p1.x, p1.y);
const height = distance(p0.x, p0.y, p3.x, p3.y);
return { width, height };
}
/**
* 更新位置和cursor
* @returns
*/
update() {
if (this.obj.scalable) {
this.updateScalePoints();
}
if (this.obj.rotatable) {
this.updateRotatePoint();
}
}
updateRotatePoint() {
const rect = this.obj.getLocalBounds();
const lp = this.obj.pivot.clone();
const dy = 10 / this.obj.scale.y;
lp.y = rect.y - dy;
const p = this.obj.localToCanvasPoint(lp);
this.rotatePoint.position.copyFrom(p);
}
updateScalePoints() {
const points = this.obj.localBoundsToCanvasPoints();
this.ltScalePoint.position.copyFrom(points[0]);
this.tScalePoint.position.copyFrom(calculateLineMidpoint(points[0], points[1]));
this.rtScalePoint.position.copyFrom(points[1]);
this.rScalePoint.position.copyFrom(calculateLineMidpoint(points[1], points[2]));
this.rbScalePoint.position.copyFrom(points[2]);
this.bScalePoint.position.copyFrom(calculateLineMidpoint(points[2], points[3]));
this.lbScalePoint.position.copyFrom(points[3]);
this.lScalePoint.position.copyFrom(calculateLineMidpoint(points[3], points[0]));
const angle = this.obj.worldAngle;
const angle360 = (360 + angle) % 360;
if ((angle >= -22.5 && angle <= 22.5) ||
(angle360 >= 180 - 22.5 && angle360 <= 180 + 22.5)) {
this.ltScalePoint.cursor = 'nw-resize';
this.tScalePoint.cursor = 'n-resize';
this.rtScalePoint.cursor = 'ne-resize';
this.rScalePoint.cursor = 'e-resize';
this.rbScalePoint.cursor = 'se-resize';
this.bScalePoint.cursor = 's-resize';
this.lbScalePoint.cursor = 'sw-resize';
this.lScalePoint.cursor = 'w-resize';
}
else if ((angle >= 22.5 && angle <= 67.5) ||
(angle360 >= 180 + 22.5 && angle360 <= 180 + 67.5)) {
this.ltScalePoint.cursor = 'n-resize';
this.tScalePoint.cursor = 'ne-resize';
this.rtScalePoint.cursor = 'e-resize';
this.rScalePoint.cursor = 'se-resize';
this.rbScalePoint.cursor = 's-resize';
this.bScalePoint.cursor = 'sw-resize';
this.lbScalePoint.cursor = 'w-resize';
this.lScalePoint.cursor = 'nw-resize';
}
else if ((angle >= 67.5 && angle < 112.5) ||
(angle360 >= 180 + 67.5 && angle360 <= 180 + 112.5)) {
this.ltScalePoint.cursor = 'ne-resize';
this.tScalePoint.cursor = 'e-resize';
this.rtScalePoint.cursor = 'se-resize';
this.rScalePoint.cursor = 's-resize';
this.rbScalePoint.cursor = 'sw-resize';
this.bScalePoint.cursor = 'w-resize';
this.lbScalePoint.cursor = 'nw-resize';
this.lScalePoint.cursor = 'n-resize';
}
else {
this.ltScalePoint.cursor = 'e-resize';
this.tScalePoint.cursor = 'se-resize';
this.rtScalePoint.cursor = 's-resize';
this.rScalePoint.cursor = 'sw-resize';
this.rbScalePoint.cursor = 'w-resize';
this.bScalePoint.cursor = 'nw-resize';
this.lbScalePoint.cursor = 'n-resize';
this.lScalePoint.cursor = 'ne-resize';
}
}
}
/**
* 包围盒矩形图形,现使用外边框转画布多边形实现
*/
class BoundsGraphic extends Graphics {
static Name = '_BoundsRect';
static BoundsLineStyle = {
width: 1,
color: '#1976d2',
alpha: 1,
};
obj;
debouncedRedraw;
constructor(graphic) {
super();
this.obj = graphic;
this.name = BoundsGraphic.Name;
this.visible = false;
this.debouncedRedraw = debounce(this.doRedraw, 50);
this.obj.on('transformstart', this.onObjTransformStart, this);
this.obj.on('transformend', this.onObjTransformEnd, this);
if (this.obj.children && this.obj.children.length > 0) {
recursiveChildren(this.obj, (child) => {
child.on('transformstart', this.onObjTransformStart, this);
child.on('transformend', this.onObjTransformEnd, this);
});
}
const pg = this.obj.getGraphic();
if (pg != null) {
pg.on('transformstart', this.onObjTransformStart, this);
pg.on('transformend', this.onObjTransformEnd, this);
}
this.obj.on('repaint', this.onGraphicRepaint, this);
graphic.addAssistantAppend(this);
}
onObjTransformStart() {
this.visible = false;
}
onObjTransformEnd() {
this.redraw();
this.visible = true;
}
onGraphicRepaint() {
if (this.visible) {
this.redraw();
}
}
destroy(options) {
if (this.obj.isGraphic()) {
this.obj.off('repaint', this.onGraphicRepaint, this);
}
super.destroy(options);
}
redraw() {
this.debouncedRedraw(this);
}
doRedraw() {
const visible = this.visible;
this.visible = false; // 屏蔽包围框本身
const bounds = new Polygon(this.obj.localBoundsToCanvasPoints());
this.clear().lineStyle(BoundsGraphic.BoundsLineStyle).drawShape(bounds);
this.visible = visible;
}
}
/**
* 操作
*/
class JlOperation {
type; // 操作类型/名称
app;
obj; // 操作对象
data; // 操作数据
description = ''; // 操作描述
constructor(app, type) {
this.app = app;
this.type = type;
}
undo1() {
const updates = this.undo();
if (updates) {
this.app.updateSelected(...updates);
}
}
redo1() {
const updates = this.redo();
if (updates) {
this.app.updateSelected(...updates);
}
}
}
/**
* 操作记录
*/
class OperationRecord {
undoStack = [];
redoStack = [];
maxLen;
constructor(maxLen = 100) {
this.maxLen = maxLen;
}
get hasUndo() {
return this.undoStack.length > 0;
}
get hasRedo() {
return this.redoStack.length > 0;
}
setMaxLen(v) {
this.maxLen = v;
const len = this.undoStack.length;
if (len > v) {
const removeCount = len - v;
this.undoStack.splice(0, removeCount);
}
}
/**
* 记录
* @param op
*/
record(op) {
if (this.undoStack.length >= this.maxLen) {
this.undoStack.shift();
}
this.undoStack.push(op);
this.redoStack.splice(0, this.redoStack.length);
}
/**
* 撤销
*/
undo() {
const op = this.undoStack.pop();
if (op) {
op.undo1();
this.redoStack.push(op);
}
}
/**
* 重做
*/
redo() {
const op = this.redoStack.pop();
if (op) {
op.redo1();
this.undoStack.push(op);
}
}
}
/**
* 更新画布操作
*/
class UpdateCanvasOperation extends JlOperation {
obj;
old;
data;
description = '';
constructor(app, obj, old, data) {
super(app, 'update-canvas');
this.app = app;
this.obj = obj;
this.old = old;
this.data = data;
}
undo() {
this.obj.update(this.old);
return [];
}
redo() {
this.obj.update(this.data);
return [];
}
}
/**
* 创建图形操作
*/
class GraphicCreateOperation extends JlOperation {
obj;
description = '';
constructor(app, obj) {
super(app, 'graphic-create');
this.app = app;
this.obj = obj;
}
undo() {
this.app.deleteGraphics(...this.obj);
}
redo() {
this.app.addGraphics(...this.obj);
return this.obj;
}
}
/**
* 删除图形操作
*/
class GraphicDeleteOperation extends JlOperation {
obj;
constructor(app, obj) {
super(app, 'graphic-delete');
this.app = app;
this.obj = obj;
}
undo() {
this.app.addGraphics(...this.obj);
return this.obj;
}
redo() {
this.app.deleteGraphics(...this.obj);
}
}
class GraphicDataUpdateOperation extends JlOperation {
obj;
oldData;
newData;
constructor(app, obj, oldData, newData) {
super(app, 'graphic-drag');
this.obj = [...obj];
this.oldData = oldData;
this.newData = newData;
}
undo() {
for (let i = 0; i < this.obj.length; i++) {
const g = this.obj[i];
// g.exitChildEdit();
g.updateData(this.oldData[i]);
}
return this.obj;
}
redo() {
for (let i = 0; i < this.obj.length; i++) {
const g = this.obj[i];
// g.exitChildEdit();
g.updateData(this.newData[i]);
}
return this.obj;
}
}
/**
* 图形关系数据
*/
class GraphicRelationParam {
g;
param;
constructor(g, param = null) {
this.g = g;
this.param = param;
}
isTheGraphic(g) {
return this.g.id === g.id;
}
getGraphic() {
return this.g;
}
getParam() {
return this.param;
}
equals(other) {
return this.isTheGraphic(other.g) && this.param === other.param;
}
}
/**
* 图形关系
*/
class GraphicRelation {
rp1;
rp2;
constructor(rp1, rp2) {
this.rp1 = rp1;
this.rp2 = rp2;
}
contains(g) {
return this.rp1.isTheGraphic(g) || this.rp2.isTheGraphic(g);
}
/**
* 获取给定图形的关系参数
* @param g
* @returns
*/
getRelationParam(g) {
if (!this.contains(g)) {
throw new Error(`图形关系${this.rp1.g.id}-${this.rp2.g.id}中不包含给定图形${g.id}`);
}
if (this.rp1.isTheGraphic(g)) {
return this.rp1;
}
else {
return this.rp2;
}
}
/**
* 获取关联的另一个图形的关系参数
* @param g
* @returns
*/
getOtherRelationParam(g) {
if (!this.contains(g)) {
throw new Error(`图形关系${this.rp1.g.id}-${this.rp2.g.id}中不包含给定图形${g.id}`);
}
if (this.rp1.isTheGraphic(g)) {
return this.rp2;
}
else {
return this.rp1;
}
}
/**
* 获取关联的另一个图形对象
* @param g
* @returns graphic
*/
getOtherGraphic(g) {
return this.getOtherRelationParam(g).g;
}
equals(orp1, orp2) {
if (this.rp1.isTheGraphic(orp1.g)) {
return this.rp1.equals(orp1) && this.rp2.equals(orp2);
}
else if (this.rp1.isTheGraphic(orp2.g)) {
return this.rp1.equals(orp2) && this.rp2.equals(orp1);
}
return false;
}
isEqualOther(other) {
return this.equals(other.rp1, other.rp2);
}
}
/**
* 图形关系管理
*/
class RelationManage {
relations = [];
isContainsRelation(rp1, rp2) {
const relation = this.relations.find((relation) => relation.equals(rp1, rp2));
return !!relation;
}
addRelation(rp1, rp2) {
if (!(rp1 instanceof GraphicRelationParam)) {
rp1 = new GraphicRelationParam(rp1);
}
if (!(rp2 instanceof GraphicRelationParam)) {
rp2 = new GraphicRelationParam(rp2);
}
if (!this.isContainsRelation(rp1, rp2)) {
const relation = new GraphicRelation(rp1, rp2);
this.relations.push(relation);
}
}
/**
* 获取图形的所有关系
* @param g
* @returns
*/
getRelationsOfGraphic(g) {
return this.relations.filter((rl) => rl.contains(g));
}
/**
* 获取指定图形的指定关系图形类型的所有关系
* @param g 指定图形
* @param type 关联图形的类型
* @returns
*/
getRelationsOfGraphicAndOtherType(g, type) {
return this.relations.filter((rl) => rl.contains(g) && rl.getOtherGraphic(g).type === type);
}
/**
* 删除关系
* @param relation
*/
deleteRelation(relation) {
const index = this.relations.findIndex((rl) => rl.isEqualOther(relation));
if (index >= 0) {
this.relations.splice(index, 1);
}
}
/**
* 删除指定图形的所有关系
* @param g
*/
deleteRelationOfGraphic(g) {
const relations = this.getRelationsOfGraphic(g);
relations.forEach((rl) => this.deleteRelation(rl));
}
/**
* 删除指定图形的所有关系
* @param g
*/
deleteRelationOfGraphicAndOtherType(g, type) {
const relations = this.getRelationsOfGraphicAndOtherType(g, type);
relations.forEach((rl) => this.deleteRelation(rl));
}
/**
* 清空
*/
clear() {
this.relations.splice(0, this.relations.length);
}
}
/**
* 图形存储
*/
class GraphicStore {
store;
relationManage;
constructor() {
this.store = new Map();
this.relationManage = new RelationManage();
}
/**
* 获取所有图形对象
*/
getAllGraphics() {
return [...this.store.values()];
}
queryById(id) {
let nid = id;
if (typeof id === 'string') {
nid = parseInt(id);
}
const graphic = this.store.get(nid);
if (!graphic)
throw Error(`未找到id为 [${nid}] 的图形.`);
return this.store.get(nid);
}
queryByIdAmbiguous(id) {
const nid = id + '';
const list = [];
this.store.forEach((g) => {
if ((g.id + '').search(nid) >= 0) {
list.push(g);
}
});
return list;
}
queryByType(type) {
const list = [];
this.store.forEach((g) => {
if (g.type === type) {
list.push(g);
}
});
return list;
}
queryByCode(code) {
const list = [];
this.store.forEach((g) => {
if (g.code === code) {
list.push(g);
}
});
return list;
}
queryByCodeAmbiguous(code) {
const list = [];
this.store.forEach((g) => {
if (g.code.search(code) >= 0) {
list.push(g);
}
});
return list;
}
queryByIdOrCode(s) {
const list = [];
this.store.forEach((g) => {
if (g.isIdOrCode(s)) {
list.push(g);
}
});
return list;
}
queryByIdOrCodeAndType(s, type) {
const list = [];
this.store.forEach((g) => {
if (g.isIdOrCode(s) && g.type === type) {
list.push(g);
}
});
return list;
}
queryByCodeAndType(code, type) {
for (const item of this.store.values()) {
if (item.code === code && item.type === type) {
return item;
}
}
}
queryByCodeAndTypeAmbiguous(code, type) {
const list = [];
this.store.forEach((g) => {
if (g.type === type && g.code.search(code) >= 0) {
list.push(g);
}
});
return list;
}
/**
* 存储图形对象
* @param graphics 要存储的图形
*/
storeGraphics(graphic) {
if (!graphic.id || graphic.id === 0) {
throw new Error(`存储图形对象异常: id为空, ${graphic}`);
}
if (this.store.has(graphic.id)) {
// 已经存在
const exist = this.store.get(graphic.id);
console.error(`已经存在id=${graphic.id}的设备${exist}`);
return false;
}
else {
this.store.set(graphic.id, graphic);
graphic.queryStore = this;
graphic.relationManage = this.relationManage;
return true;
}
}
/**
* 删除图形
* @param graph 要删除的图形
*/
deleteGraphics(graphic) {
const id = graphic.id;
const remove = this.store.get(id);
if (remove) {
this.store.delete(id);
// 删除图形关系
this.relationManage.deleteRelationOfGraphic(remove);
}
return remove;
}
/**
* 清空
*/
clear() {
this.relationManage.clear();
this.store.clear();
}
}
//基础图形对象扩展
DisplayObject.prototype._selectable = false; //是否可选中
DisplayObject.prototype._selected = false;
DisplayObject.prototype._childEdit = false;
DisplayObject.prototype._transformSave = false;
DisplayObject.prototype._assistantAppendMap = null;
DisplayObject.prototype._draggable = false;
DisplayObject.prototype._shiftStartPoint = null;
DisplayObject.prototype._shiftLastPoint = null;
DisplayObject.prototype._scalable = false;
DisplayObject.prototype._keepAspectRatio = true;
DisplayObject.prototype._rotatable = false;
Object.defineProperties(DisplayObject.prototype, {
assistantAppendMap: {
get() {
if (this._assistantAppendMap == null) {
this._assistantAppendMap = new Map();
}
return this._assistantAppendMap;
},
},
selectable: {
get() {
return this._selectable;
},
set(value) {
this._selectable = value;
},
},
selected: {
get() {
return this._selected;
},
set(v) {
this._selected = v;
},
},
childEdit: {
get() {
return this._childEdit;
},
set(v) {
this._childEdit = v;
},
},
transformSave: {
get() {
return this._transformSave;
},
set(v) {
this._transformSave = v;
},
},
draggable: {
get() {
return this._draggable;
},
set(v) {
this._draggable = v;
},
},
shiftStartPoint: {
get() {
return this._shiftStartPoint;
},
set(v) {
this._shiftStartPoint = v;
},
},
shiftLastPoint: {
get() {
return this._shiftLastPoint;
},
set(v) {
this._shiftLastPoint = v;
},
},
scalable: {
get() {
return this._scalable;
},
set(v) {
this._scalable = v;
},
},
keepAspectRatio: {
get() {
return this._keepAspectRatio;
},
set(v) {
this._keepAspectRatio = v;
},
},
rotatable: {
get() {
return this._rotatable;
},
set(v) {
this._rotatable = v;
},
},
worldAngle: {
get() {
let angle = this.angle;
let parent = this.parent;
while (parent != undefined && parent != null) {
angle += parent.angle;
parent = parent.parent;
}
angle = angle % 360;
if (angle > 180) {
angle = angle - 360;
}
return angle;
},
},
});
DisplayObject.prototype.getAllParentScaled =
function getAllParentScaled() {
const scaled = new Point(1, 1);
recursiveParents(this, (parent) => {
scaled.x *= parent.scale.x;
scaled.y *= parent.scale.y;
});
return scaled;
};
DisplayObject.prototype.getPositionOnCanvas =
function getPositionOnCanvas() {
if (this.parent.isCanvas()) {
return this.position;
}
else {
return this.parent.localToCanvasPoint(this.position);
}
};
DisplayObject.prototype.updatePositionByCanvasPosition =
function updatePositionByCanvasPosition(p) {
if (this.parent.isCanvas()) {
this.position.copyFrom(p);
}
else {
const localPosition = this.parent.canvasToLocalPoint(p);
this.position.copyFrom(localPosition);
}
};
DisplayObject.prototype.saveTransform = function saveTransform() {
return GraphicTransform.fromObject(this);
};
DisplayObject.prototype.loadTransform = function loadTransform(transfrom) {
this.position.copyFrom(transfrom.position);
this.scale.copyFrom(transfrom.scale);
this.rotation = transfrom.rotation;
this.skew.copyFrom(transfrom.skew);
};
DisplayObject.prototype.isChild = function isChild(obj) {
return recursiveFindChild(this, (child) => child == obj) != null;
};
DisplayObject.prototype.isParent = function isParent(obj) {
return recursiveFindParent(this, (parent) => parent == obj) != null;
};
DisplayObject.prototype.isAssistantAppend =
function isAssistantAppend() {
return (recursiveFindParent(this, (parent) => {
return parent.name === AppConsts.AssistantAppendsName;
}) != null);
};
DisplayObject.prototype.addAssistantAppend = function addAssistantAppend(...appends) {
appends.forEach((append) => {
if (append.name == null || append.name.trim() == '') {
throw new Error('辅助附加name不能为空');
}
this.assistantAppendMap.set(append.name, append);
this.getCanvas().addAssistantAppends(append);
});
};
DisplayObject.prototype.getAssistantAppend = function getAssistantAppend(name) {
return this.assistantAppendMap.get(name);
};
DisplayObject.prototype.removeAssistantAppend = function removeAssistantAppend(...appends) {
appends.forEach((append) => {
if (append.name) {
this.removeAssistantAppendByName(append.name);
}
});
};
DisplayObject.prototype.removeAssistantAppendByName =
function removeAssistantAppendByName(...names) {
names.forEach((name) => {
const append = this.getAssistantAppend(name);
if (append) {
this.getCanvas().removeAssistantAppends(append);
this.assistantAppendMap.delete(name);
append.destroy();
}
});
};
DisplayObject.prototype.removeAllAssistantAppend =
function removeAllAssistantAppend() {
if (this._assistantAppendMap != null) {
this.assistantAppendMap.forEach((append) => {
append.getCanvas().removeAssistantAppends(append);
});
this.assistantAppendMap.clear();
}
};
DisplayObject.prototype.isGraphic = function isGraphic() {
return Object.hasOwn(this, '__JlGraphic');
};
DisplayObject.prototype.getGraphic = function getGraphic() {
let graphic = this;
while (graphic && !Object.hasOwn(graphic, '__JlGraphic')) {
graphic = graphic.parent;
}
if (graphic) {
return graphic;
}
return null;
};
DisplayObject.prototype.isGraphicChild = function isGraphicChild() {
const g = this.getGraphic();
return g != null && !this.isAssistantAppend() && g.isChild(this);
};
DisplayObject.prototype.onAddToCanvas = function onAddToCanvas(_canvas) { };
DisplayObject.prototype.onRemoveFromCanvas = function onRemoveFromCanvas(_canvas) { };
DisplayObject.prototype.isInCanvas = function isInCanvas() {
let graphic = this;
while (graphic && !Object.hasOwn(graphic, '__JlCanvas')) {
graphic = graphic.parent;
}
if (graphic) {
return true;
}
return false;
};
DisplayObject.prototype.getCanvas = function getCanvas() {
let graphic = this;
while (graphic && !Object.hasOwn(graphic, '__JlCanvas')) {
graphic = graphic.parent;
}
if (graphic) {
return graphic;
}
throw new Error(`图形${this.name}不在画布中`);
};
DisplayObject.prototype.isCanvas = function isCanvas() {
return Object.hasOwn(this, '__JlCanvas');
};
DisplayObject.prototype.getViewport = function getViewport() {
const canvas = this.getCanvas();
return canvas.parent;
};
DisplayObject.prototype.getGraphicApp = function getGraphicApp() {
const canvas = this.getCanvas();
return canvas.scene.app;
};
DisplayObject.prototype.localToCanvasPoint = function localToCanvasPoint(p) {
return this.getViewport().toWorld(this.toGlobal(p));
};
DisplayObject.prototype.localToCanvasPoints = function localToCanvasPoints(...points) {
return points.map((p) => this.localToCanvasPoint(p));
};
DisplayObject.prototype.canvasToLocalPoint = function canvasToLocalPoint(p) {
return this.toLocal(this.getViewport().toScreen(p));
};
DisplayObject.prototype.canvasToLocalPoints = function canvasToLocalPoints(...points) {
return points.map((p) => this.canvasToLocalPoint(p));
};
DisplayObject.prototype.localToScreenPoint = function localToScreenPoint(p) {
return this.toGlobal(p);
};
DisplayObject.prototype.localToScreenPoints = function localToScreenPoints(...points) {
return points.map((p) => this.toGlobal(p));
};
DisplayObject.prototype.screenToLocalPoint = function screenToLocalPoint(p) {
return this.toLocal(p);
};
DisplayObject.prototype.screenToLocalPoints = function screenToLocalPoints(...points) {
return points.map((p) => this.toLocal(p));
};
DisplayObject.prototype.localBoundsToCanvasPoints =
function localBoundsToCanvasPoints() {
const rect = this.getLocalBounds();
const pps = convertRectangleToPolygonPoints(rect);
return this.localToCanvasPoints(...pps);
};
// 扩展pixijs图形对象添加自定义绘制贝塞尔曲线可自定义分段数
Graphics.prototype.drawBezierCurve = function drawBezierCurve(p1, p2, cp1, cp2, segmentsCount) {
const fromX = p1.x;
const fromY = p1.y;
const n = segmentsCount;
let dt = 0;
let dt2 = 0;
let dt3 = 0;
let t2 = 0;
let t3 = 0;
const cpX = cp1.x;
const cpY = cp1.y;
const cpX2 = cp2.x;
const cpY2 = cp2.y;
const toX = p2.x;
const toY = p2.y;
this.moveTo(p1.x, p1.y);
for (let i = 1, j = 0; i <= n; ++i) {
j = i / n;
dt = 1 - j;
dt2 = dt * dt;
dt3 = dt2 * dt;
t2 = j * j;
t3 = t2 * j;
const px = dt3 * fromX + 3 * dt2 * j * cpX + 3 * dt * t2 * cpX2 + t3 * toX;
const py = dt3 * fromY + 3 * dt2 * j * cpY + 3 * dt * t2 * cpY2 + t3 * toY;
this.lineTo(px, py);
}
return this;
};
/**
* 图形变换数据
*/
class GraphicTransform {
position;
scale;
rotation;
skew;
constructor(position, scale, rotation, skew) {
this.position = position;
this.scale = scale;
this.rotation = rotation;
this.skew = skew;
}
static default() {
return new GraphicTransform(new Point(0, 0), new Point(1, 1), 0, new Point(0, 0));
}
static fromObject(obj) {
return new GraphicTransform(obj.position.clone(), obj.scale.clone(), obj.rotation, obj.skew.clone());
}
static from(transform) {
if (transform) {
return new GraphicTransform(new Point(transform.position.x, transform.position.y), new Point(transform.scale.x, transform.scale.y), transform.rotation, new Point(transform.skew.x, transform.skew.y));
}
return GraphicTransform.default();
}
}
/**
* 图形子元素变换
*/
class ChildTransform {
name;
transform;
constructor(name, transform) {
this.name = name;
this.transform = transform;
}
static fromChild(child) {
if (child.name == null ||
child.name == undefined ||
child.name.trim() == '') {
throw new Error(`图形type=${child.getGraphic()?.type}的子元素${child}name为空但设置为需要保存变换数据`);
}
return new ChildTransform(child.name, GraphicTransform.fromObject(child));
}
static from(ct) {
return new ChildTransform(ct.name, GraphicTransform.from(ct.transform));
}
}
class GraphicAnimation {
options;
_running;
/**
* 倍速
*/
_xSpeed;
constructor(options) {
this.options = options;
this._running = false;
this._xSpeed = 1;
}
static init(options) {
return new GraphicAnimation(options);
}
pause() {
this._running = false;
return this;
}
resume() {
this._running = true;
return this;
}
get name() {
return this.options.name;
}
get running() {
return this._running;
}
get xSpeed() {
return this._xSpeed;
}
set xSpeed(v) {
this._xSpeed = v;
}
run(dt) {
if (this.options.run) {
this.options.run(dt * this.xSpeed);
}
return this;
}
}
/**
* 图形对象基类
*/
class JlGraphic extends Container {
__JlGraphic = true;
type; // 图形类型
_id = 0; // 图形的唯一标识,不具有业务意义,唯一,不可重复,可用做图形数据关联。
_code = ''; // 业务编号/名称,用于标识图形对象,具有业务意义
_datas; // 图形数据
_states; // 图形状态数据
_relationManage; // 图形关系管理
_queryStore; // 图形对象查询仓库
constructor(type) {
super();
this.type = type;
this.draggable = false;
this.filters;
}
/**
* 添加图形动画,只有在画布上才能添加
* @param animation
*/
addAnimation(animation) {
const app = this.getGraphicApp();
app.animationManager.registerAnimation(this, animation);
}
removeAnimation(name) {
const app = this.getGraphicApp();
app.animationManager.unregisterAnimation(this, name);
}
animation(name) {
const app = this.getGraphicApp();
return app.animationManager.animation(this, name);
}
removeAllAnimation() {
const app = this.getGraphicApp();
app.animationManager.unregisterGraphicAnimations(this);
}
/**
* 更新选中状态
* @param selected
* @returns 是否更新
*/
updateSelected(selected) {
if (this.selected !== selected) {
this.selected = selected;
this.fireSelected();
return true;
}
return false;
}
invertSelected() {
this.selected = !this.selected;
this.fireSelected();
}
fireSelected() {
if (this.selected) {
this.emit('selected', this);
}
else {
this.exitChildEdit();
this.removeAllChildSelected();
this.emit('unselected', this);
}
const app = this.getGraphicApp();
if (app) {
app.emit('graphicselectedchange', this, this.selected);
}
}
hasSelectedChilds() {
return (recursiveFindChild(this, (child) => {
if (child.selected) {
return true;
}
return false;
}) != null);
}
setChildSelected(child) {
if (child.isGraphicChild() && child.selectable) {
this.removeAllChildSelected();
child.selected = true;
this.fireChildSelected(child);
}
return false;
}
invertChildSelected(child) {
if (child.isGraphicChild() && child.selectable) {
child.selected = !child.selected;
this.fireChildSelected(child);
}
return false;
}
removeAllChildSelected() {
recursiveChildren(this, (child) => {
if (child.selected) {
child.selected = false;
this.fireChildSelected(child);
}
});
}
fireChildSelected(child) {
const selected = child.selected;
if (selected) {
this.emit('childselected', child);
}
else {
this.emit('childunselected', child);
}
const app = this.getGraphicApp();
if (app) {
app.emit('graphicchildselectedchange', child, selected);
}
}
exitChildEdit() {
this.childEdit = false;
this.removeAllChildSelected();
}
/**
* 是否此对象id/code
*/
isIdOrCode(s) {
return this.id === s || this.code === s;
}
/**
* 获取图形id如果图形数据对象存在则返回图形数据对象id
*/
get id() {
if (this._datas) {
return this._datas.id;
}
return this._id;
}
/**
* 设置图形id如果图形数据存在则同时设置图形数据id
*/
set id(v) {
this._id = v;
if (this._datas) {
this._datas.id = v;
}
}
/**
* 获取图形业务code如果业务code在图形数据或图形状态中则需要重写此方法
*/
get code() {
return this._code;
}
/**
* 设置图形业务code如果业务code在图形数据或图形状态中则需要重写此方法
*/
set code(v) {
this._code = v;
}
getDatas() {
if (this._datas) {
return this._datas;
}
throw new Error(`id=${this.id},type=${this.type}的图形没有数据`);
}
getStates() {
if (this._states) {
return this._states;
}
throw new Error(`id=${this.id},type=${this.type}的的图形没有状态`);
}
get queryStore() {
if (this._queryStore) {
return this._queryStore;
}
throw new Error(`type=${this.type}的图形没有QueryStore`);
}
set queryStore(v) {
this._queryStore = v;
}
get relationManage() {
if (this._relationManage) {
return this._relationManage;
}
throw new Error(`type=${this.type}的图形没有关系管理`);
}
set relationManage(v) {
this._relationManage = v;
}
/**
* 构建图形关系
* @param g
*/
buildRelation() { }
/**
* 从数据加载恢复图形关系
*/
loadRelations() { }
/**
* 获取当前图形的所有图形关系
* @returns
*/
getAllRelations() {
return this.relationManage.getRelationsOfGraphic(this);
}
/**
* 获取当前图形的所有指定类型图形关系
* @param type
* @returns
*/
queryRelationByType(type) {
return this.relationManage.getRelationsOfGraphicAndOtherType(this, type);
}
/**
* 删除当前图形关联的指定类型的关系
* @param type
*/
deleteRelationByType(type) {
this.relationManage.deleteRelationOfGraphicAndOtherType(this, type);
}
/**
* 构建并保存关系数据到datas中
*/
saveRelations() { }
/**
* 保存数据,复制,非原始数据
* @returns
*/
saveData() {
this.getDatas().graphicType = this.type;
this.getDatas().transform = GraphicTransform.fromObject(this);
this.getDatas().childTransforms = this.buildChildTransforms();
this.saveRelations();
return this.getDatas().clone();
}
/**
* 构建子元素变换列表
* @returns
*/
buildChildTransforms() {
const childTransforms = [];
recursiveChildren(this, (child) => {
if (child.transformSave) {
childTransforms.push(ChildTransform.fromChild(child));
}
});
return childTransforms;
}
/**
* 加载数据
* @param data
*/
loadData(data) {
if (data.graphicType !== this.type) {
throw new Error(`不同的图形类型,请检查数据是否正常: data.graphicType="${data.graphicType}, type="${this.type}`);
}
this._datas = data;
this.loadTransformFrom(data);
}
loadTransformFrom(data) {
if (data.transform) {
this.loadTransform(data.transform);
}
if (data.childTransforms) {
data.childTransforms.forEach((ct) => {
const child = this.getChildByName(ct.name, true);
if (child) {
child.loadTransform(ct.transform);
}
});
}
}
/**
* 更新图形数据
* @param data
* @returns
*/
updateData(data) {
let update = false;
if (!this.getDatas().eq(data)) {
update = true;
const old = this.getDatas().clone();
this.getDatas().copyFrom(data);
this.onDataChange(data, old);
this.loadTransformFrom(data);
this.emit('dataupdate', this.getDatas(), old);
this.repaint();
}
return update;
}
/**
* 图形数据更新
*/
onDataChange(newVal, old) { }
/**
* 加载状态
* @param state
*/
loadState(state) {
if (state.graphicType !== this.type) {
throw new Error(`不同的图形类型,请检查数据是否正常: state.graphicType="${state.graphicType}, type="${this.type}`);
}
this._states = state;
}
/**
* 更新状态
* @param state
* @returns
*/
updateStates(state) {
let stateChange = false;
if (!this.getStates().eq(state)) {
// 判断并更新状态,默认状态
const old = this.getStates().clone();
this.getStates().copyFrom(state);
this.onStateChange(state, old);
stateChange = true;
this.emit('stateupdate', this.getStates(), old);
// this.repaint();
}
return stateChange;
}
/**
* 图形状态更新处理
*/
onStateChange(newVal, old) { }
repaint() {
try {
this.doRepaint();
this.emit('repaint', this);
}
catch (e) {
console.error(`设备id=${this.id},type=${this.type}重绘逻辑异常`, e);
}
}
/**
* 处理删除逻辑
*/
onDelete() {
this.removeAllAssistantAppend();
this.removeAllListeners();
recursiveChildren(this, (child) => child.removeAllAssistantAppend());
}
/**
* 框选检测,默认取图形包围盒判定,若需要精细判定-子类重写此方法
* @param box
* @returns
*/
boxIntersectCheck(box) {
return box.intersects(this.getLocalBounds(), this.localTransform);
}
}
/**
* 图形对象模板
*/
class JlGraphicTemplate {
type;
options;
constructor(type, options) {
this.type = type;
this.options = options;
}
get datas() {
if (this.options.dataTemplate) {
return this.options.dataTemplate.clone();
}
throw new Error(`type=${this.type}的图形模板没有数据模板`);
}
get states() {
if (this.options.stateTemplate) {
return this.options.stateTemplate.clone();
}
throw new Error(`type=${this.type}的图形模板没有状态模板`);
}
/**
* 加载图形对象需要用到的资源
*/
async loadAssets() { }
/**
* 克隆图形对象
* @param graphic
* @returns
*/
clone(graphic) {
const g = this.new();
if (graphic._datas) {
// 数据克隆
const datas = graphic.saveData();
g.loadData(datas);
}
if (graphic._states) {
// 状态克隆
const state = graphic.getStates().clone();
g.loadState(state);
}
g.id = GraphicIdGenerator.next();
return g;
}
}
/* eslint-disable @typescript-eslint/no-explicit-any */
class MessageClient extends EventEmitter {
options;
subClients = []; // 订阅客户端
constructor(options) {
super();
this.options = options;
}
unsubscribe(destination) {
this.unsubscribe0(destination);
const idx = this.subClients.findIndex((cli) => cli.destination === destination);
if (idx >= 0) {
this.subClients.splice(idx, 1);
}
}
getOrNewSubClient(destination) {
let cli = this.subClients.find((cli) => cli.destination === destination);
if (!cli) {
// 不存在,新建
cli = new SubscriptionClient(this, destination, this.options.protocol);
this.subClients.push(cli);
}
return cli;
}
addSubscription(destination, handler) {
const cli = this.getOrNewSubClient(destination);
cli.addHandler(handler);
}
removeSubscription(destination, handle) {
this.getOrNewSubClient(destination).removeHandler(handle);
}
}
class SubscriptionClient {
mc;
destination;
protocol;
handlers = [];
subscripted = false;
constructor(mc, destination, protocal) {
this.mc = mc;
this.destination = destination;
this.protocol = protocal;
this.mc.on('disconnected', this.onDisconnect, this);
this.mc.on('connected', this.trySubscribe, this);
}
addHandler(handler) {
if (this.handlers.filter((h) => h.App === handler.App).length == 0) {
this.handlers.push(handler);
}
if (!this.subscripted) {
this.trySubscribe();
}
}
removeHandler(handler) {
const idx = this.handlers.findIndex((h) => h.App === handler.App);
if (idx >= 0) {
this.handlers.splice(idx, 1);
}
if (this.handlers.length == 0) {
console.log(`订阅${this.destination}没有消息监听处理,移除订阅`);
this.unsubscribe();
}
}
trySubscribe() {
if (this.mc.connected) {
this.subscripted = this.mc.subscribe(this.destination, (data) => {
this.handleMessage(data);
});
}
}
unsubscribe() {
this.mc.unsubscribe(this.destination);
}
handleMessage(data) {
if (this.protocol === 'json') {
console.debug('收到消息:', data);
}
this.handlers.forEach((handler) => {
try {
handler.handle(data);
}
catch (error) {
console.error('图形应用状态消息处理异常', error);
}
});
}
onDisconnect() {
this.subscripted = false;
}
}
const ReconnectDelay = 3000;
const HeartbeatIncoming = 30000;
const HeartbeatOutgoing = 30000;
class StompMessagingClient extends MessageClient {
cli;
constructor(options) {
super(options);
this.options = options;
this.cli = new Client({
brokerURL: options.wsUrl,
connectHeaders: {
Authorization: options.token ? options.token : '',
},
reconnectDelay: ReconnectDelay,
heartbeatIncoming: HeartbeatIncoming,
heartbeatOutgoing: HeartbeatOutgoing,
});
this.cli.onConnect = () => {
// this.subClients.forEach((cli) => {
// this.subscribe(cli.destination, cli.handleMessage);
// });
this.emit('connected', '');
};
this.cli.onStompError = (frame) => {
const errMsg = frame.headers['message'];
if (errMsg === '401') {
console.warn('认证失败,断开WebSocket连接');
this.cli.deactivate();
}
else {
console.error('收到Stomp错误消息', frame);
}
};
this.cli.onDisconnect = (frame) => {
console.log('Stomp 断开连接', frame);
this.emit('disconnected', frame);
};
// websocket错误处理
this.cli.onWebSocketError = (err) => {
console.error('websocket错误', err);
this.emit('disconnected', '');
};
this.cli.activate();
}
get connected() {
return this.cli.connected;
}
subscribe(destination, handle) {
this.cli.subscribe(destination, (frame) => {
if (this.options.protocol === 'json') {
const data = JSON.parse(frame.body);
handle(data);
}
else {
handle(frame.binaryBody);
}
}, {
id: destination,
});
return true;
}
unsubscribe0(destination) {
this.cli.unsubscribe(destination);
}
close() {
this.cli.deactivate();
}
}
class MqttMsgClient extends MessageClient {
cli;
retryTimes = 0;
subMsgHandler = new Map();
constructor(options) {
super(options);
this.options = options;
try {
this.cli = mqtt.connect(options.wsUrl, {
protocolVersion: 5,
clean: true,
resubscribe: false,
keepalive: options.heartbeat, //ms,心跳
connectTimeout: options.connectTimeout, // ms,连接超时
reconnectPeriod: options.retryPeriod, // ms,重连间隔
username: options.clientName || '',
password: options.token,
});
this.cli.on('connect', (packet) => {
console.log('MQTT 连接成功!');
this.retryTimes = 0; // 连接成功,重置
this.emit('connected', packet);
});
this.cli.on('disconnect', (packet) => {
console.log('MQTT 连接断开!');
this.emit('disconnected', packet);
});
this.cli.on('close', () => {
console.log('MQTT 关闭!');
this.emit('disconnected', 'close');
});
this.cli.on('reconnect', () => {
this.retryTimes += 1;
console.log(`MQTT第 ${this.retryTimes} 次尝试重连`);
if (this.retryTimes > options.retryTimes) {
try {
this.cli.end();
console.error('MQTT 达到重连最大尝试次数,停止重试');
}
catch (error) {
console.error(error);
}
}
});
this.cli.on('error', (error) => {
console.log('MQTT 出现错误', error);
console.warn(error);
this.emit('error', error);
});
this.cli.on('message', (topic, message) => {
const handle = this.subMsgHandler.get(topic);
if (handle) {
if (this.options.protocol === 'json') {
const data = JSON.parse(message.toString());
handle(data);
}
else {
// 字节流
handle(message);
}
}
else {
console.warn('未找到订阅的消息处理器', topic);
}
});
}
catch (err) {
console.error('MQTT connect error', err);
this.emit('error', err);
throw err;
}
}
subscribe(destination, handle) {
console.debug('MQTT订阅执行', destination);
this.cli.subscribe(destination, { qos: 0 }, (error, res) => {
if (error) {
console.warn('MQTT 订阅失败', error);
return;
}
console.debug('MQTT 订阅成功', res);
return false;
});
this.subMsgHandler.set(destination, handle);
return true;
}
unsubscribe0(destination) {
console.debug('MQTT取消订阅执行', destination);
// 删除指定订阅的消息处理器
this.subMsgHandler.delete(destination);
// 通知服务器取消订阅
this.cli.unsubscribe(destination, (error, packet) => {
if (error) {
console.warn('MQTT 取消订阅失败', error);
}
else {
console.debug('MQTT 取消订阅成功', packet);
}
});
}
get connected() {
return this.cli.connected;
}
close() {
try {
console.debug('MQTT关闭执行');
this.cli.end(true, () => {
console.debug('MQTT 消息客户端关闭成功');
this.subMsgHandler.clear();
});
}
catch (error) {
console.warn('MQTT 消息客户端关闭失败', error);
}
}
}
var ClientEngine;
(function (ClientEngine) {
ClientEngine[ClientEngine["Stomp"] = 0] = "Stomp";
// Centrifugo,
ClientEngine[ClientEngine["MQTT"] = 1] = "MQTT";
})(ClientEngine || (ClientEngine = {}));
const DefaultStompOption = {
engine: ClientEngine.Stomp,
protocol: 'protobuf',
wsUrl: '',
token: '',
connectTimeout: 30 * 1000,
heartbeat: 60,
retryPeriod: 2 * 1000,
retryTimes: 100,
};
class WsMsgCli {
static client;
static options;
static appMsgBroker = [];
static new(options) {
if (WsMsgCli.client) {
// 已经创建
return;
}
WsMsgCli.options = Object.assign({}, DefaultStompOption, options);
switch (WsMsgCli.options.engine) {
// case ClientEngine.Centrifugo: {
// WsMsgCli.client = new CentrifugeMessagingClient(WsMsgCli.options);
// break;
// }
case ClientEngine.MQTT: {
WsMsgCli.client = new MqttMsgClient(WsMsgCli.options);
break;
}
case ClientEngine.Stomp: {
WsMsgCli.client = new StompMessagingClient(WsMsgCli.options);
break;
}
default: {
throw new Error('未知的消息客户端引擎类型', WsMsgCli.options.engine);
}
}
const cli = WsMsgCli.client;
cli.on('connected', () => {
WsMsgCli.emitConnectStateChangeEvent(true);
});
cli.on('disconnected', () => {
WsMsgCli.emitConnectStateChangeEvent(false);
});
cli.on('error', (err) => {
console.warn('websocket 客户端错误消息发布', err);
WsMsgCli.appMsgBroker.forEach((broker) => {
broker.app.emit('websocket-error', err);
});
});
}
static isInitiated() {
return !!WsMsgCli.client;
}
static emitConnectStateChangeEvent(connected) {
WsMsgCli.appMsgBroker.forEach((broker) => {
broker.app.emit('websocket-connect-state-change', connected);
});
}
static isConnected() {
return WsMsgCli.client && WsMsgCli.client.connected;
}
static registerSubscription(destination, handler) {
WsMsgCli.client.addSubscription(destination, handler);
}
static unregisterSubscription(destination, handler) {
WsMsgCli.client.removeSubscription(destination, handler);
}
static registerAppMsgBroker(broker) {
WsMsgCli.appMsgBroker.push(broker);
}
static removeAppMsgBroker(broker) {
const index = WsMsgCli.appMsgBroker.findIndex((mb) => mb == broker);
if (index >= 0) {
WsMsgCli.appMsgBroker.splice(index, 1);
}
}
static hasAppMsgBroker() {
return WsMsgCli.appMsgBroker.length > 0;
}
/**
* 关闭websocket连接
*/
static close() {
if (WsMsgCli.client) {
WsMsgCli.client.close();
}
}
}
class AppMessageHandler {
app;
sub;
constructor(app, subOptions) {
this.app = app;
if (!subOptions.messageConverter && !subOptions.messageHandle) {
throw new Error(`没有消息处理器或图形状态消息转换器: ${subOptions}`);
}
this.sub = subOptions;
}
get App() {
return this.app;
}
handle(data) {
const sub = this.sub;
if (sub.messageConverter) {
const graphicStates = sub.messageConverter(data);
this.app.handleGraphicStates(graphicStates, sub.graphicQueryer, sub.createOnNotFound);
}
else if (sub.messageHandle) {
sub.messageHandle(data);
}
}
}
/**
* 图形APP的websocket消息代理
*/
class AppWsMsgBroker {
app;
subscriptions = new Map();
constructor(app) {
this.app = app;
WsMsgCli.registerAppMsgBroker(this);
}
subscribe(sub) {
const handler = new AppMessageHandler(this.app, sub);
WsMsgCli.registerSubscription(sub.destination, handler);
this.subscriptions.set(sub.destination, handler);
}
unsbuscribe(destination) {
const oldSub = this.subscriptions.get(destination);
if (oldSub) {
WsMsgCli.unregisterSubscription(destination, oldSub);
}
}
unsubscribeAll() {
this.subscriptions.forEach((record, destination) => {
this.unsbuscribe(destination);
});
}
resubscribeAll() {
this.subscriptions.forEach((handler, destination) => {
WsMsgCli.registerSubscription(destination, handler);
});
}
/**
* 取消所有订阅从通用Stomp客户端移除此消息代理
*/
close() {
WsMsgCli.removeAppMsgBroker(this);
this.unsubscribeAll();
}
}
/**
* 默认的白色样式
*/
const DefaultWhiteStyleOptions = {
titleStyle: {
fontSize: 16,
fontColor: '#000000',
padding: [5, 15],
},
backgroundColor: '#ffffff',
border: true,
borderWidth: 1,
borderColor: '#4C4C4C',
/**
* 默认圆角
*/
borderRoundRadius: 5,
itemStyle: {
fontSize: 16,
fontColor: '#000000',
padding: [5, 25],
hoverColor: '#1E78DB',
disabledFontColor: '#9D9D9D',
},
};
/**
* 默认的白色菜单配置
*/
const DefaultWhiteMenuOptions = {
name: '',
style: DefaultWhiteStyleOptions,
groups: [],
};
class ContextMenuPlugin {
app;
contextMenuMap = new Map();
constructor(app) {
this.app = app;
const canvas = this.app.canvas;
canvas.on('pointerdown', () => {
this.contextMenuMap.forEach((menu) => {
menu.close();
});
});
}
registerMenu(menu) {
this.contextMenuMap.set(menu.menuName, menu);
menu.plugin = this;
}
/**
* 获取视口屏幕宽度
*/
get screenWidth() {
return this.app.viewport.screenWidth;
}
/**
* 获取视口屏幕高度
*/
get screenHeight() {
return this.app.viewport.screenHeight;
}
/**
* 打开菜单
* @param menu
* @param global
*/
open(menu, global) {
if (!menu.opened) {
menu.opened = true;
this.app.pixi.stage.addChild(menu);
}
// 处理超出显示范围
const screenHeight = this.screenHeight;
const bottomY = global.y + menu.height;
let oob = this.oob(menu, global);
const pos = global.clone();
if (oob.right) {
pos.x = global.x - menu.width;
}
if (oob.bottom) {
const py = global.y - menu.height;
if (py > 0) {
pos.y = py;
}
else {
pos.y = global.y - (bottomY - screenHeight);
}
}
// 移动后是否左上超出
oob = this.oob(menu, pos);
if (oob.left) {
pos.x = 0;
}
if (oob.top) {
pos.y = 0;
}
menu.position.copyFrom(pos);
}
/**
* 关闭菜单
* @param menu
*/
close(menu) {
if (menu.opened) {
menu.opened = false;
this.app.pixi.stage.removeChild(menu);
}
}
/**
* 关闭所有菜单
*/
closeAll() {
this.contextMenuMap.forEach((cm) => {
this.close(cm);
});
}
/**
* 越界检查
* @param menu
* @param global
* @returns
*/
oob(menu, global) {
const screenWidth = this.screenWidth;
const screenHeight = this.screenHeight;
const bound = new Rectangle(0, 0, screenWidth, screenHeight);
const menuRect = new Rectangle(global.x, global.y, menu.width, menu.height);
return OutOfBound.check(menuRect, bound);
}
}
/**
* 上下文菜单,多级嵌套
*/
class ContextMenu extends Container {
_plugin;
parentMenuItem;
openedSubMenu;
menuOptions;
opened = false;
bg;
title;
groups;
padding = 5;
_active = false; // 激活状态
timeoutCloseHandle;
constructor(menuOptions, parentMenuItem) {
super();
this.menuOptions = Object.assign({}, DefaultWhiteMenuOptions, menuOptions);
this.name = this.menuOptions.name;
this.bg = new Graphics();
this.addChild(this.bg);
this.groups = [];
this.init();
this.parentMenuItem = parentMenuItem;
}
static init(options) {
return new ContextMenu(options);
}
get style() {
return this.menuOptions.style;
}
/**
* 父级菜单
*/
get parentMenu() {
return this.parentMenuItem?.menu;
}
/**
* 最顶级菜单
*/
get rootMenu() {
if (this.parentMenu) {
return this.parentMenu.rootMenu;
}
return this;
}
/**
* 是否存在激活的菜单项
* @returns
*/
hasActiveItem() {
for (let i = 0; i < this.groups.length; i++) {
const group = this.groups[i];
if (group.hasActiveItem()) {
return true;
}
}
return false;
}
get active() {
return (this._active ||
this.hasActiveItem() ||
(this.parentMenuItem != undefined && this.parentMenuItem._active));
}
set active(v) {
this._active = v;
this.onActiveChanged();
}
onActiveChanged() {
if (this.parentMenuItem) {
this.parentMenuItem.onActiveChanged();
if (!this.active) {
this.timeoutCloseHandle = setTimeout(() => {
this.close();
}, 500);
}
else {
if (this.timeoutCloseHandle) {
clearTimeout(this.timeoutCloseHandle);
}
}
}
}
setOptions(menuOptions) {
this.menuOptions = Object.assign({}, DefaultWhiteMenuOptions, menuOptions);
this.init();
}
/**
* 初始化
*/
init() {
// this.initTitle();
this.groups = [];
const options = this.menuOptions;
options.groups.forEach((group) => {
const menuGroup = new MenuGroup(this, group);
this.groups.push(menuGroup);
});
const { borderHeight, maxItemWidth } = this.calculateBorderInfo();
const splitLineWidth = 1;
const bgWidth = maxItemWidth + this.padding * 2;
const bgHeight = borderHeight +
this.groups.length * this.padding * 2 +
(this.groups.length - 1) * splitLineWidth;
if (options.style.border) {
this.bg.lineStyle(options.style.borderWidth, new Color(options.style.borderColor));
}
this.bg.beginFill(new Color(options.style.backgroundColor));
if (options.style.borderRoundRadius > 0) {
this.bg.drawRoundedRect(0, 0, bgWidth, bgHeight, options.style.borderRoundRadius);
}
else {
this.bg.drawRect(0, 0, bgWidth, bgHeight);
}
this.bg.endFill();
let groupHeight = 0;
this.bg.lineStyle(splitLineWidth, new Color(options.style.borderColor));
for (let i = 0; i < this.groups.length; i++) {
const group = this.groups[i];
group.updateItemBox(maxItemWidth);
group.position.set(this.padding, groupHeight + this.padding);
if (i === this.groups.length - 1) {
// 最后一个
break;
}
const splitLineY = groupHeight + group.height + this.padding * 2;
this.bg.moveTo(0, splitLineY);
this.bg.lineTo(bgWidth, splitLineY);
groupHeight = splitLineY + splitLineWidth;
}
this.addChild(...this.groups);
this.eventMode = 'static';
this.on('pointerover', () => {
this.active = true;
});
this.on('pointerout', () => {
this.active = false;
});
}
initGroups() {
this.groups = [];
const options = this.menuOptions;
options.groups.forEach((group) => {
const menuGroup = new MenuGroup(this, group);
this.groups.push(menuGroup);
});
this.addChild(...this.groups);
}
initTitle() {
if (this.menuOptions.title) {
this.title = new Text(this.menuOptions.title, { align: 'left' });
}
}
calculateBorderInfo() {
let maxItemNameWidth = 0;
let maxShortcutWidth = 0;
let maxGutter = 0;
let borderHeight = 0;
this.groups.forEach((menuGroup) => {
borderHeight += menuGroup.totalHeight;
const maxInw = menuGroup.maxItemNameWidth;
if (maxInw > maxItemNameWidth) {
maxItemNameWidth = maxInw;
}
const maxSw = menuGroup.maxShortcutWidth;
if (maxSw > maxShortcutWidth) {
maxShortcutWidth = maxSw;
}
const gutter = menuGroup.totalGutter;
if (gutter > maxGutter) {
maxGutter = gutter;
}
});
const maxItemWidth = maxItemNameWidth + maxShortcutWidth + maxGutter;
return { borderHeight, maxItemWidth };
}
updateBg() {
this.bg.clear();
const options = this.menuOptions;
const { borderHeight, maxItemWidth } = this.calculateBorderInfo();
const splitLineWidth = 1;
const bgWidth = maxItemWidth + this.padding * 2;
const bgHeight = borderHeight +
this.groups.length * this.padding * 2 +
(this.groups.length - 1) * splitLineWidth;
if (options.style.border) {
this.bg.lineStyle(options.style.borderWidth, new Color(options.style.borderColor));
}
this.bg.beginFill(new Color(options.style.backgroundColor));
if (options.style.borderRoundRadius > 0) {
this.bg.drawRoundedRect(0, 0, bgWidth, bgHeight, options.style.borderRoundRadius);
}
else {
this.bg.drawRect(0, 0, bgWidth, bgHeight);
}
this.bg.endFill();
let groupHeight = 0;
this.bg.lineStyle(splitLineWidth, new Color(options.style.borderColor));
for (let i = 0; i < this.groups.length; i++) {
const group = this.groups[i];
group.updateItemBox(maxItemWidth);
group.position.set(this.padding, groupHeight + this.padding);
if (i === this.groups.length - 1) {
// 最后一个
break;
}
const splitLineY = groupHeight + group.height + this.padding * 2;
this.bg.moveTo(0, splitLineY);
this.bg.lineTo(bgWidth, splitLineY);
groupHeight = splitLineY + splitLineWidth;
}
}
update() {
if (this.menuOptions.groups.length !== this.groups.length) {
this.init();
}
else {
this.groups.forEach((group) => group.update());
this.updateBg();
}
}
get menuName() {
return this.menuOptions.name;
}
get plugin() {
if (this.parentMenu) {
return this.parentMenu.plugin;
}
if (this._plugin) {
return this._plugin;
}
throw new Error(`上下文菜单name=${this.menuOptions.name}没有添加到插件中`);
}
set plugin(v) {
this._plugin = v;
}
/**
* 显示菜单
*/
open(global) {
if (this.parentMenu) {
this.parentMenu.openSub(this, global);
}
else {
this.update();
this.plugin.open(this, global);
}
}
/**
* 关闭菜单
*/
close() {
if (this.openedSubMenu) {
this.openedSubMenu.close();
this.openedSubMenu = undefined;
}
this.plugin.close(this);
}
/**
* 打开子菜单
* @param subMenu
* @param global
*/
openSub(subMenu, global) {
if (this.openedSubMenu) {
this.openedSubMenu.close();
}
const pos = global.clone();
const oob = this.plugin.oob(subMenu, global);
if (oob.right) {
pos.x = this.position.x - subMenu.width + this.padding;
}
if (oob.bottom) {
pos.y = this.plugin.screenHeight - subMenu.height - this.padding;
}
this.plugin.open(subMenu, pos);
this.openedSubMenu = subMenu;
}
}
class MenuGroup extends Container {
gutter = 3; // 名称、快捷键、箭头文本间隙
config;
menu;
items = [];
constructor(menu, config) {
super();
this.config = config;
this.menu = menu;
this.init();
}
init() {
this.items = []; // 清空
this.config.items.forEach((item) => {
this.items.push(new ContextMenuItem(this.menu, item));
});
if (this.items.length === 0) {
console.error('菜单group为空', this.config, this.menu);
throw new Error(`{name=${this.menu.name}}的菜单的group为{name=${this.config.name}}的条目为空!`);
}
this.addChild(...this.items);
}
hasActiveItem() {
for (let i = 0; i < this.items.length; i++) {
const item = this.items[i];
if (item.active) {
return true;
}
}
return false;
}
get maxItemNameWidth() {
const maxNameWidth = this.items
.map((item) => item.nameBounds.width)
.sort((a, b) => a - b)
.reverse()[0];
return maxNameWidth;
}
get maxShortcutWidth() {
const maxShortcutWidth = this.items
.map((item) => item.shortcutKeyBounds.width)
.sort((a, b) => a - b)
.reverse()[0];
return maxShortcutWidth;
}
get totalGutter() {
return this.gutter + this.items[0].paddingLeft + this.items[0].paddingRight;
}
get totalHeight() {
let total = 0;
this.items.forEach((item) => (total += item.totalHeight));
return total;
}
update() {
if (this.items.length !== this.config.items.length) {
this.init();
}
else {
let i = 0;
this.items.forEach((item) => {
item.update();
if (item.visible) {
item.position.y = i * item.totalHeight;
i++;
}
});
}
}
updateItemBox(maxItemWidth) {
this.items.forEach((item) => item.updateBox(maxItemWidth, item.totalHeight));
}
}
/**
* 菜单项
*/
class ContextMenuItem extends Container {
menu;
config;
/**
* 名称文本
*/
nameText;
/**
* 快捷键文本
*/
shortcutKeyText;
gutter = 3; // 名称、快捷键、箭头文本间隙
arrowText;
box;
subMenu;
_active = false; // 激活状态
constructor(menu, config) {
super();
this.menu = menu;
this.config = config;
this.box = new Graphics();
this.addChild(this.box);
this.nameText = new Text(this.config.name, {
fontSize: this.fontSize,
fill: this.fontColor,
});
this.addChild(this.nameText);
this.initShortcutKeyText();
this.initSubMenu();
}
registerEventHandler() {
this.eventMode = 'static';
this.cursor = 'pointer';
this.on('pointerover', () => {
this.active = true;
if (this.config.disabled) {
this.cursor = 'not-allowed';
}
else {
this.cursor = 'pointer';
}
if (this.subMenu) {
const p = this.toGlobal(new Point(this.width));
this.subMenu.open(p);
}
});
this.on('pointerout', () => {
this.active = false;
});
this.on('pointertap', () => {
if (this.config.disabled) {
// 禁用,不处理
return;
}
if (this.config.handler) {
this.menu.plugin.app.emit('pre-menu-handle', this.config);
this.config.handler();
this.menu.plugin.app.emit('post-menu-handle', this.config);
}
if (!this.config.subMenu || this.config.subMenu.groups.length === 0) {
this.active = false;
this.menu.active = false;
this.menu.rootMenu.close();
}
});
}
get active() {
return this._active || (this.subMenu != undefined && this.subMenu.active);
}
set active(v) {
this._active = v;
if (this.subMenu) {
this.subMenu.onActiveChanged();
}
this.onActiveChanged();
}
onActiveChanged() {
if (this.active) {
this.box.alpha = 1;
}
else {
this.box.alpha = 0;
}
}
get textWidth() {
return this.nameBounds.width + this.shortcutKeyBounds.width + this.gutter;
}
get nameGraphic() {
if (this.nameText) {
return this.nameText;
}
throw new Error(`菜单项name=${this.config.name}没有初始化名称图形对象`);
}
get totalHeight() {
if (this.config.visible === false) {
return 0;
}
else {
return this.paddingTop + this.paddingBottom + this.nameGraphic.height;
}
}
get nameBounds() {
return this.nameGraphic.getLocalBounds();
}
get shortcutKeyBounds() {
if (this.shortcutKeyText) {
return this.shortcutKeyText.getLocalBounds();
}
else {
return new Rectangle(0, 0, 0, 0);
}
}
get style() {
return this.menu.style.itemStyle;
}
checkPadding(padding) {
if (Array.isArray(padding)) {
if (padding.length !== 2 && padding.length !== 4) {
throw new Error('错误的padding数据');
}
}
}
toWholePadding(padding) {
this.checkPadding(padding);
if (Array.isArray(padding)) {
if (padding.length == 2) {
return [padding[0], padding[1], padding[0], padding[1]];
}
else {
return padding;
}
}
else {
return [padding, padding, padding, padding];
}
}
get paddingTop() {
return this.toWholePadding(this.menu.style.itemStyle.padding)[0];
}
get paddingBottom() {
return this.toWholePadding(this.menu.style.itemStyle.padding)[2];
}
get paddingLeft() {
return this.toWholePadding(this.menu.style.itemStyle.padding)[3];
}
get paddingRight() {
return this.toWholePadding(this.menu.style.itemStyle.padding)[1];
}
get hoverColor() {
return this.style.hoverColor;
}
get fontSize() {
return this.style.fontSize;
}
get fontColor() {
if (this.config.disabled) {
return this.style.disabledFontColor;
}
else if (this.config.fontColor) {
return this.config.fontColor;
}
return this.style.fontColor;
}
initShortcutKeyText() {
if (this.config.shortcutKeys && this.config.shortcutKeys.length > 0) {
this.shortcutKeyText = new Text(this.config.shortcutKeys.join('+'), {
fontSize: this.fontSize,
fill: this.fontColor,
});
this.addChild(this.shortcutKeyText);
return this.shortcutKeyText;
}
return undefined;
}
initSubMenu() {
if (this.config.subMenu && this.config.subMenu.groups.length > 0) {
this.arrowText = new Text('>', {
fontSize: this.fontSize,
fill: this.fontColor,
});
this.addChild(this.arrowText);
this.subMenu = new ContextMenu(this.config.subMenu, this);
}
}
updateBackground(width, height) {
this.box.clear();
const box = this.box;
const style = this.menu.style;
if (!style.itemStyle.hoverColor) {
throw new Error('未设置菜单项的hoverColor');
}
let hoverColor = style.itemStyle.hoverColor;
if (this.style && this.style.hoverColor) {
hoverColor = this.style.hoverColor;
}
box.beginFill(new Color(hoverColor));
if (style.borderRoundRadius > 0) {
box.drawRoundedRect(0, 0, width, height, style.borderRoundRadius);
}
else {
box.drawRect(0, 0, width, height);
}
box.endFill();
box.alpha = 0;
}
updateBox(width, height) {
this.removeAllListeners();
this.updateBackground(width, height);
this.nameText?.position.set(this.paddingLeft, this.paddingTop);
if (this.shortcutKeyText) {
const skTextWidth = this.shortcutKeyBounds.width;
this.shortcutKeyText.position.set(width - skTextWidth - this.paddingRight, this.paddingTop);
}
if (this.arrowText) {
this.arrowText.position.set(width - this.paddingRight - this.gutter, this.paddingTop);
}
// 事件监听
this.hitArea = new Rectangle(0, 0, width, height);
this.registerEventHandler();
}
update() {
if (this.config.visible === false) {
this.visible = false;
return;
}
this.visible = true;
this.nameText.text = this.config.name;
this.nameText.style.fontSize = this.fontSize;
this.nameText.style.fill = this.fontColor;
if (this.shortcutKeyText) {
if (this.config.shortcutKeys && this.config.shortcutKeys.length > 0) {
this.shortcutKeyText.text = this.config.shortcutKeys.join('+');
this.shortcutKeyText.style.fontSize = this.fontSize;
this.shortcutKeyText.style.fill = this.fontColor;
}
else {
this.shortcutKeyText.visible = false;
}
}
else {
this.initShortcutKeyText();
}
if (this.config.subMenu == undefined && this.subMenu) {
this.subMenu = undefined;
}
else if (this.config.subMenu && this.subMenu == undefined) {
this.initSubMenu();
}
if (this.subMenu) {
this.subMenu.update();
}
}
}
const AppConsts = {
viewportname: '__viewport',
canvasname: '__jlcanvas',
AssistantAppendsName: '__assistantAppends',
// 辅助元素默认颜色
assistantElementColor: '#1976d2',
};
class CanvasData {
width;
height;
backgroundColor;
viewportTransform;
gridBackground;
constructor(properties = {
width: 1920,
height: 1080,
backgroundColor: '#ffffff',
viewportTransform: GraphicTransform.default(),
gridBackground: undefined,
}) {
this.width = properties.width;
this.height = properties.height;
this.backgroundColor = properties.backgroundColor;
this.viewportTransform = properties.viewportTransform;
this.gridBackground = properties.gridBackground;
}
copyFrom(properties) {
let sizeChange = false;
if (properties.width <= 0 || properties.height <= 0) {
console.error('画布宽度/高度不能小于等于0');
}
else {
const width = Math.floor(properties.width);
const height = Math.floor(properties.height);
if (this.width != width) {
this.width = width;
sizeChange = true;
}
if (this.height != height) {
this.height = height;
sizeChange = true;
}
}
this.backgroundColor = properties.backgroundColor;
this.viewportTransform = properties.viewportTransform;
if (properties.gridBackground) {
this.gridBackground = properties.gridBackground;
}
return sizeChange;
}
clone() {
const cp = new CanvasData(this);
return cp;
}
}
class JlCanvas extends Container {
__JlCanvas = true;
type = 'Canvas';
scene;
_properties;
bg = new Graphics(); // 背景
gridBackgroundLine = new Container(); //网格背景
nonInteractiveContainer; // 无交互对象容器
assistantAppendContainer; // 辅助附加容器
constructor(scene, properties = new CanvasData()) {
super();
this.scene = scene;
this._properties = properties;
this.eventMode = 'static';
this.nonInteractiveContainer = new Container();
this.nonInteractiveContainer.name = 'non-interactives';
this.nonInteractiveContainer.eventMode = 'none';
this.addChild(this.bg);
this.addChild(this.gridBackgroundLine);
this.addChild(this.nonInteractiveContainer);
this.sortableChildren = true;
this.assistantAppendContainer = new Container();
this.assistantAppendContainer.eventMode = 'static';
this.assistantAppendContainer.name = AppConsts.AssistantAppendsName;
this.assistantAppendContainer.zIndex = 999;
this.assistantAppendContainer.sortableChildren = true;
this.addChild(this.assistantAppendContainer);
this.repaint();
}
/**
* 图形重绘(数据/状态变化时触发)
*/
repaint() {
this.doRepaint();
}
get width() {
return this._properties.width;
}
get height() {
return this._properties.height;
}
get backgroundColor() {
return this._properties.backgroundColor;
}
get gridBackground() {
return this._properties.gridBackground;
}
doRepaint() {
this.bg.clear();
this.bg
.beginFill(new Color(this.backgroundColor))
.drawRect(0, 0, this._properties.width, this._properties.height)
.endFill();
this.gridBackgroundLine.children.forEach((g) => {
g.clear();
});
if (this.gridBackground &&
this.gridBackground.hasGrid &&
this.gridBackground.space > 0) {
const horizontalAmount = this.height / this.gridBackground.space;
for (let i = 1; i < horizontalAmount; i++) {
const lineGraphic = new Graphics();
const posY = i * this.gridBackground.space;
lineGraphic
.clear()
.lineStyle(1, new Color(this.gridBackground.lineColor))
.moveTo(0, posY)
.lineTo(this.width, posY);
this.gridBackgroundLine.addChild(lineGraphic);
}
const verticalAmount = this.width / this.gridBackground.space;
for (let i = 1; i < verticalAmount; i++) {
const lineGraphic = new Graphics();
const posX = i * this.gridBackground.space;
lineGraphic
.clear()
.lineStyle(1, new Color(this.gridBackground.lineColor))
.moveTo(posX, 0)
.lineTo(posX, this.height);
this.gridBackgroundLine.addChild(lineGraphic);
}
}
}
get properties() {
return this._properties;
}
saveData() {
const vp = this.getViewport();
this.properties.viewportTransform = vp.saveTransform();
return this.properties.clone();
}
update(properties) {
// 更新画布
const old = this.properties.clone();
this._properties.copyFrom(properties);
this.repaint();
const vp = this.getViewport();
vp.loadTransform(properties.viewportTransform);
this.emit('dataupdate', this.properties, old);
}
addChild(...children) {
const rt = super.addChild(...children);
children.forEach((g) => {
g.onAddToCanvas(this);
recursiveChildren(g, (child) => child.onAddToCanvas(this));
});
return rt;
}
removeChild(...children) {
children.forEach((g) => {
g.onRemoveFromCanvas(this);
recursiveChildren(g, (child) => child.onRemoveFromCanvas(this));
});
return super.removeChild(...children);
}
/**
* 添加无交互Child
*/
addNonInteractiveChild(...obj) {
this.nonInteractiveContainer.addChild(...obj);
obj.forEach((g) => {
g.onAddToCanvas(this);
recursiveChildren(g, (child) => child.onAddToCanvas(this));
});
}
removeGraphic(...obj) {
obj.forEach((g) => {
g.onRemoveFromCanvas(this);
recursiveChildren(g, (child) => child.onRemoveFromCanvas(this));
});
this.removeChild(...obj);
this.nonInteractiveContainer.removeChild(...obj);
}
/**
* 移除无交互Child
*/
removeNonInteractiveChild(...obj) {
obj.forEach((g) => {
g.onRemoveFromCanvas(this);
recursiveChildren(g, (child) => child.onRemoveFromCanvas(this));
});
this.nonInteractiveContainer.removeChild(...obj);
}
addAssistantAppends(...appends) {
this.assistantAppendContainer.addChild(...appends);
appends.forEach((g) => {
g.onAddToCanvas(this);
recursiveChildren(g, (child) => child.onAddToCanvas(this));
});
}
removeAssistantAppends(...appends) {
appends.forEach((g) => {
g.onRemoveFromCanvas(this);
recursiveChildren(g, (child) => child.onAddToCanvas(this));
});
this.assistantAppendContainer.removeChild(...appends);
}
/**
* 暂停所有可交互对象
*/
pauseInteractiveChildren() {
this.interactiveChildren = false;
}
/**
* 恢复所有可交互对象
*/
resumeInteractiveChildren() {
this.interactiveChildren = true;
}
}
class GraphicSceneBase extends EventEmitter {
graphicStore;
_options;
pixi; // Pixi 渲染器
viewport; // 视口
canvas; // 画布
_loaded = false; // 是否已经加载
_dom; // 场景绑定到的dom节点
_viewportResizer; // 自动根据dom大小变化调整视口尺寸
graphicTemplateMap = new Map(); // 图形对象模板
interactionPluginMap = new Map(); // 交互插件
graphicCopyPlugin; // 图形复制操作插件
animationManager; // 动画管理组件
menuPlugin; // 菜单插件
debounceEmitFunc;
wsMsgBroker; // websocket消息代理
constructor(options) {
super();
this.graphicStore = new GraphicStore();
this._options = options;
// 创建pixi渲染app
this.pixi = new Application({
antialias: true,
});
// 创建画布
this.canvas = new JlCanvas(this);
this.canvas.name = AppConsts.canvasname;
// 创建相机
this.viewport = new Viewport({
screenWidth: window.innerWidth,
screenHeight: window.innerHeight,
worldWidth: this.canvas._properties.width,
worldHeight: this.canvas._properties.height,
passiveWheel: true,
events: this.pixi.renderer.events,
disableOnContextMenu: true,
});
// 设置视口操作方式
this.viewport
.wheel({
percent: 1,
})
.pinch()
.clampZoom({
minScale: 0.1,
maxScale: 8,
})
.clamp({
direction: 'all',
});
this.viewport.name = AppConsts.viewportname;
this.viewport.interactiveChildren = true;
// 添加视口到渲染器舞台
this.pixi.stage.addChild(this.viewport);
// 将画布置于视口
this.viewport.addChild(this.canvas);
// 监听并通知缩放变化事件
this.viewport.on('zoomed-end', () => {
this.emit('viewport-scaled', this.viewport);
});
this.graphicCopyPlugin = new GraphicCopyPlugin(this);
// 添加通用交互插件
CommonMouseTool.new(this).resume();
// drag插件
DragPlugin.new(this).resume();
// 视口移动插件
ViewportMovePlugin.new(this);
// 图形变换插件
GraphicTransformPlugin.new(this).resume();
// 动画管理
this.animationManager = new AnimationManager(this);
this.menuPlugin = new ContextMenuPlugin(this);
this.wsMsgBroker = new AppWsMsgBroker(this);
this.debounceEmitFunc = debounce(this.doEmitAppGraphicSelected, 50);
this.on('graphicselectedchange', () => {
this.debounceEmitFunc(this);
});
// 发布选项更新事件
this.emit('options-update', this._options);
}
get appOptions() {
return this._options;
}
get dom() {
return this._dom;
}
get queryStore() {
return this.graphicStore;
}
get selectedGraphics() {
return this.queryStore.getAllGraphics().filter((g) => g.selected);
}
async load() {
if (this._options.dataLoader) {
const storage = await this._options.dataLoader();
if (storage.canvasProperty) {
this.canvas.update(storage.canvasProperty);
}
if (storage.datas) {
await this.loadGraphic(storage.datas);
}
}
this._loaded = true;
}
/**
* 重新加载数据
*/
async reload() {
if (!this._loaded) {
this.graphicStore.clear();
await this.load();
}
else {
console.debug('场景已经加载过数据,不重新加载', this);
}
}
async forceReload() {
console.debug('场景强制重新加载数据', this);
this.graphicStore.clear();
await this.load();
}
/**
* 更新选项
* @param options
*/
setOptions(options) {
if (this._options) {
this._options = Object.assign(this._options, options);
}
else {
this._options = options;
}
this.emit('options-update', options);
}
toCanvasCoordinates(p) {
return this.viewport.toWorld(p);
}
/**
* 注册菜单
* @param menu
*/
registerMenu(menu) {
this.menuPlugin.registerMenu(menu);
}
/**
* 注册图形对象模板
* @param graphicTemplates
*/
registerGraphicTemplates(...graphicTemplates) {
graphicTemplates.forEach((graphicTemplate) => {
this.graphicTemplateMap.set(graphicTemplate.type, graphicTemplate);
});
}
getGraphicTemplatesByType(type) {
const template = this.graphicTemplateMap.get(type);
if (!template) {
throw new Error(`不存在type=${type}的图形对象模板`);
}
return template;
}
updateViewport(domWidth, domHeight) {
let screenWidth = this.viewport.screenWidth;
let screenHeight = this.viewport.screenHeight;
if (domWidth) {
screenWidth = domWidth;
}
if (domHeight) {
screenHeight = domHeight;
}
const worldWidth = this.canvas._properties.width;
const worldHeight = this.canvas._properties.height;
this.pixi.resize();
this.viewport.resize(screenWidth, screenHeight, worldWidth, worldHeight);
if (this.viewport.OOB().right) {
this.viewport.right = this.viewport.right + 1;
}
else if (this.viewport.OOB().left) {
this.viewport.left = this.viewport.left - 1;
}
else if (this.viewport.OOB().top) {
this.viewport.top = this.viewport.top - 1;
}
else if (this.viewport.OOB().bottom) {
this.viewport.bottom = this.viewport.bottom + 1;
}
}
/**
* 暂停
*/
pause() {
// 暂停动画
this.animationManager.pause();
// 取消消息订阅
this.wsMsgBroker.unsubscribeAll();
// 关闭所有上下文菜单
this.menuPlugin.closeAll();
}
/**
* 恢复
*/
resume() {
// 恢复动画
this.animationManager.resume();
// 重新订阅
this.wsMsgBroker.resubscribeAll();
}
bindDom(dom) {
this._dom = dom;
this.pixi.resizeTo = dom;
dom.appendChild(this.pixi.view);
// 绑定dom后先调整视口
this.updateViewport(dom.clientWidth, dom.clientHeight);
// 监听dom大小变化
this._viewportResizer = setInterval(() => {
this.updateViewport(dom.clientWidth, dom.clientHeight);
}, 1000);
// 恢复
this.resume();
}
unbindDom() {
if (this._dom) {
clearInterval(this._viewportResizer);
this._dom.removeChild(this.pixi.view);
this._dom = undefined;
// 暂停
this.pause();
}
}
/**
* 加载图形,GraphicApp默认添加到无交互容器,DrawApp默认添加到交互容器,如需定制,提供选项配置
* @param protos
* @param options 添加到可交互/不可交互容器选项配置
*/
async loadGraphic(protos) {
for (const item of this.graphicTemplateMap) {
await item[1].loadAssets();
}
// 加载数据到图形存储
protos.forEach((proto) => {
const template = this.getGraphicTemplatesByType(proto.graphicType);
const g = template.new();
g.loadData(proto);
this.addGraphics(g);
});
// 加载数据关系
this.queryStore.getAllGraphics().forEach((g) => g.loadRelations());
// 更新id生成器
const max = this.queryStore
.getAllGraphics()
.map((g) => g.id)
.sort((a, b) => a - b)
.pop() ?? 0;
GraphicIdGenerator.initSerial(max);
// 数据加载完成后
this.emit('postdataloaded');
// 加载完成通知
this.emit('loadfinish');
}
/**
* 添加图形前处理
* @param graphic
*/
beforeGraphicStore(graphic) {
const interactiveGraphicTypeIncludes = this._options.interactiveGraphicTypeIncludes || [];
const interactiveGraphicTypeExcludes = this._options.interactiveGraphicTypeExcludes || [];
// 默认无交互
graphic.eventMode = 'auto';
if (interactiveGraphicTypeIncludes.findIndex((type) => type === graphic.type) >= 0) {
graphic.eventMode = 'static';
}
else if (interactiveGraphicTypeExcludes.findIndex((type) => type === graphic.type) < 0) {
graphic.eventMode = 'static';
}
}
/**
* 执行添加图形对象
* @param graphic
*/
doAddGraphics(graphic) {
this.beforeGraphicStore(graphic);
if (this.graphicStore.storeGraphics(graphic)) {
// cullable,默认设置剪裁,如果图形包围框不在屏幕内,则不渲染,增加效率用
if (!this._options || this._options.cullable !== false) {
graphic.cullable = true;
}
if (graphic.eventMode == 'static' || graphic.eventMode == 'dynamic') {
// 添加为可交互
this.canvas.addChild(graphic);
}
else {
// 添加到不可交互容器
this.canvas.addNonInteractiveChild(graphic);
}
graphic.repaint();
this.emit('graphicstored', graphic);
graphic.on('childselected', (child) => {
this.emit('graphicchildselectedchange', child, true);
});
graphic.on('childunselected', (child) => {
this.emit('graphicchildselectedchange', child, false);
});
}
}
doDeleteGraphics(graphic) {
// 从store中删除
const g = this.graphicStore.deleteGraphics(graphic);
if (g) {
// 清除选中
g.updateSelected(false);
// 从画布移除
this.canvas.removeGraphic(g);
// 对象删除处理
g.onDelete();
this.emit('graphicdeleted', g);
}
}
/**
* 存储图形
* @param graphics 图形对象
*/
addGraphics(...graphics) {
graphics.forEach((g) => this.doAddGraphics(g));
}
/**
* 删除图形
* @param graphics 图形对象
*/
deleteGraphics(...graphics) {
const dels = graphics.filter((g) => {
if (this._options?.isSupportDeletion == undefined ||
this._options.isSupportDeletion(g)) {
this.doDeleteGraphics(g);
return true;
}
console.debug(`type=${g.type},id=${g.id}的图形不支持删除`);
return false;
});
return dels;
}
/**
* 检测并构建关系
*/
detectRelations() {
this.queryStore.getAllGraphics().forEach((g) => g.buildRelation());
}
/**
* 全选
*/
selectAllGraphics(filter) {
if (filter == undefined) {
filter = (g) => g.visible;
}
this.updateSelected(...this.queryStore.getAllGraphics().filter(filter));
}
/**
* 更新选中
*/
updateSelected(...graphics) {
this.selectedGraphics.forEach((graphic) => {
if (graphics.findIndex((g) => g.id === graphic.id) >= 0) {
return;
}
if (graphic.selected) {
graphic.updateSelected(false);
}
});
graphics.forEach((graphic) => {
graphic.updateSelected(true);
});
}
doEmitAppGraphicSelected() {
// 场景发布图形选中
this.emit('graphicselected', this.selectedGraphics);
// this.app.emit('graphicselected', this.selectedGraphics);
}
/**
* 更新画布
* @param param
*/
updateCanvas(param) {
this.canvas.update(param);
}
/**
* 使图形居中显示(所有图形的外包围盒)
*/
makeGraphicCenterShow(...group) {
if (group.length > 0) {
const bounds0 = group[0].getBounds();
let lx = bounds0.x;
let ly = bounds0.y;
let rx = bounds0.x + bounds0.width;
let ry = bounds0.y + bounds0.height;
if (group.length > 1) {
for (let i = 1; i < group.length; i++) {
const g = group[i];
const bound = g.getBounds();
if (bound.x < lx) {
lx = bound.x;
}
if (bound.y < ly) {
ly = bound.y;
}
const brx = bound.x + bound.width;
if (brx > rx) {
rx = brx;
}
const bry = bound.y + bound.height;
if (bry > ry) {
ry = bry;
}
}
}
const { x, y } = getRectangleCenter(new Rectangle(lx, ly, rx - lx, ry - ly));
const p = this.viewport.toWorld(x, y);
this.viewport.moveCenter(p.x, p.y);
}
}
/**
* 注册交互插件,会替换旧的
*/
registerInteractionPlugin(...plugins) {
plugins.forEach((plugin) => {
const old = this.interactionPluginMap.get(plugin.name);
if (old) {
console.warn(`已经存在name=${plugin.name}的交互插件,忽略此插件注册!`);
return;
}
this.interactionPluginMap.set(plugin.name, plugin);
});
}
/**
* 根据名称获取交互插件
* @param name
* @returns
*/
interactionPlugin(name) {
const plugin = this.interactionPluginMap.get(name);
if (!plugin) {
throw new Error(`未找到name=${name}的交互插件`);
}
return plugin;
}
/**
* 停止应用交互插件
*/
pauseAppInteractionPlugins() {
this.interactionPluginMap.forEach((plugin) => {
if (plugin.isActive() && plugin._type === InteractionPluginType.App) {
this.doPauseInteractionPlugin(plugin);
}
});
}
doPauseInteractionPlugin(plugin) {
if (plugin && plugin.isActive()) {
plugin.pause();
this.emit('interaction-plugin-pause', plugin);
}
}
/**
* 移除交互插件
*/
removeInteractionPlugin(plugin) {
this.interactionPluginMap.delete(plugin.name);
}
checkWsMsgCli() {
if (!WsMsgCli.isInitiated()) {
throw new Error('订阅消息需先启动消息代理, 执行app.enableWebsocket()');
}
}
/**
* 订阅websocket消息
*/
subscribe(sub) {
this.checkWsMsgCli();
this.wsMsgBroker.subscribe(sub);
}
/**
* 取消websocket订阅
*/
unsubscribe(destination) {
this.checkWsMsgCli();
this.wsMsgBroker.unsbuscribe(destination);
}
/**
* 处理图形状态
* @param graphicStates
*/
handleGraphicStates(graphicStates, queryer, createOnNotFound) {
graphicStates.forEach((state) => {
let g;
if (queryer) {
g = queryer(state, this.queryStore);
}
else {
g = this.queryStore.queryByCodeAndType(state.code, state.graphicType);
}
try {
if (!g) {
// 未找到图形对象
if (!state.remove &&
createOnNotFound &&
createOnNotFound.graphicTypes &&
createOnNotFound.graphicTypes.findIndex((v) => v === state.graphicType) >= 0) {
const template = this.getGraphicTemplatesByType(state.graphicType);
const g = template.new();
g.loadState(state);
this.addGraphics(g);
}
}
else {
// 找到
if (state.remove) {
this.deleteGraphics(g);
g.destroy({ children: true });
}
else if (g.updateStates(state)) {
g.repaint();
}
}
}
catch (err) {
console.error('图形状态处理异常', g, state, err);
// throw err;
}
});
}
/**
* 销毁
*/
destroy() {
console.debug('场景销毁', this);
this.unbindDom();
if (this.wsMsgBroker) {
this.wsMsgBroker.close();
}
this.interactionPluginMap.forEach((plugin) => {
plugin.pause();
});
this.animationManager.destroy();
this.canvas.destroy(true);
this.viewport.destroy();
this.pixi.destroy(true, true);
}
}
/**
* 图形app基类
*/
class GraphicApp extends GraphicSceneBase {
/**
* 场景列表
*/
scenes = new Map();
opRecord; // 操作记录
keyboardPlugin; // 键盘操作处理插件
constructor(options) {
super(options);
this.opRecord = new OperationRecord();
// 绑定键盘监听
this.keyboardPlugin = new JlGraphicAppKeyboardPlugin(this);
}
get app() {
return this;
}
setOptions(options) {
if (options.maxOperationRecords && options.maxOperationRecords > 0) {
this.opRecord.setMaxLen(options.maxOperationRecords);
}
super.setOptions(options);
}
addGraphicAndRecord(...graphics) {
this.addGraphics(...graphics);
this.opRecord.record(new GraphicCreateOperation(this, graphics));
}
deleteGraphicAndRecord(...graphics) {
this.deleteGraphics(...graphics);
this.opRecord.record(new GraphicDeleteOperation(this, graphics));
}
/**
* 实例化一个场景
* @param code 场景标识
* @returns
*/
initScene(code, options) {
let scene = this.scenes.get(code);
if (!scene) {
scene = new JlScene(this, code, options);
this.scenes.set(code, scene);
}
return scene;
}
/**
* 获取场景
* @param code
* @returns
*/
getScene(code) {
const scene = this.scenes.get(code);
if (!scene) {
throw new Error(`不存在code=${code}的场景`);
}
return scene;
}
switchScene(code, dom) {
const scene = this.getScene(code);
// eslint-disable-next-line @typescript-eslint/no-unused-vars
for (const [_code, pre] of this.scenes) {
if (pre.dom === dom) {
pre.unbindDom();
break;
}
}
scene.bindDom(dom);
}
removeScene(code) {
const scene = this.scenes.get(code);
if (scene) {
this.scenes.delete(code);
scene.destroy();
}
}
/**
* 启动websocket消息客户端
*/
enableWsMassaging(options) {
WsMsgCli.new(options);
this.wsMsgBroker = new AppWsMsgBroker(this);
}
/**
* 添加键盘监听器,如果是相同的按键,新注册的会覆盖旧的,当移除新的时,旧的自动生效
* @param keyListeners
*/
addKeyboardListener(...keyListeners) {
keyListeners.forEach((keyListener) => this.keyboardPlugin.addKeyListener(keyListener));
}
/**
* 移除键盘监听器
* @param keyListeners
*/
removeKeyboardListener(...keyListeners) {
keyListeners.forEach((keyListener) => this.keyboardPlugin.removeKeyListener(keyListener));
}
/**
* 销毁
*/
destroy() {
console.debug('图形应用销毁', this);
this.emit('destroy', this);
super.destroy();
this.scenes.forEach((scene) => scene.destroy());
}
}
/**
* 场景
*/
class JlScene extends GraphicSceneBase {
code;
app;
constructor(app, code, options) {
super(options);
this.code = code;
this.app = app;
}
}
/* eslint-disable @typescript-eslint/no-unused-vars */
/* eslint-disable @typescript-eslint/no-empty-function */
/**
* 图形绘制助手
*/
class GraphicDrawAssistant extends AppInteractionPlugin {
__GraphicDrawAssistant = true;
app;
type; // 图形对象类型
description; // 描述
icon; // 界面显示的图标
container = new Container();
graphicTemplate;
escListener = new KeyListener({
value: 'Escape',
onRelease: () => {
this.onEsc();
},
});
onEsc() {
this.createAndStore(true);
}
constructor(graphicApp, graphicTemplate, icon, description) {
super(graphicTemplate.type, graphicApp);
this.app = graphicApp;
this.type = graphicTemplate.type;
this.graphicTemplate = graphicTemplate;
this.icon = icon;
this.description = description;
this.app.registerGraphicTemplates(this.graphicTemplate);
}
get canvas() {
return this.app.canvas;
}
bind() {
this.app.drawing = true;
const canvas = this.canvas;
canvas.addChild(this.container);
canvas.on('mousedown', this.onLeftDown, this);
canvas.on('mousemove', this.onMouseMove, this);
canvas.on('mouseup', this.onLeftUp, this);
canvas.on('rightdown', this.onRightDown, this);
canvas.on('rightup', this.onRightUp, this);
canvas.on('_rightclick', this.onRightClick, this);
this.app.viewport.wheel({
percent: 0.01,
});
this.app.addKeyboardListener(this.escListener);
this.app.viewport.drag({
mouseButtons: 'right',
});
}
unbind() {
this.clearCache();
const canvas = this.canvas;
if (this.container?.parent) {
canvas.removeChild(this.container);
}
canvas.off('mousedown', this.onLeftDown, this);
canvas.off('mousemove', this.onMouseMove, this);
canvas.off('mouseup', this.onLeftUp, this);
canvas.off('rightdown', this.onRightDown, this);
canvas.off('rightup', this.onRightUp, this);
this.app.viewport.plugins.remove('wheel');
this.app.removeKeyboardListener(this.escListener);
this.app.viewport.plugins.remove('drag');
this.app.drawing = false;
}
onLeftDown(e) { }
onMouseMove(e) {
this.redraw(this.toCanvasCoordinates(e.global));
}
onLeftUp(e) { }
onRightDown(e) { }
onRightUp(e) { }
onRightClick(e) {
this.finish();
}
/**
* 获取下一个id
*/
nextId() {
return GraphicIdGenerator.next();
}
clearCache() { }
toCanvasCoordinates(p) {
return this.app.toCanvasCoordinates(p);
}
/**
* 保存创建的图形对象
*/
storeGraphic(...graphics) {
this.app.addGraphicAndRecord(...graphics);
}
/**
* 创建并添加到图形App
*/
createAndStore(finish) {
const data = this.graphicTemplate.datas;
data.id = this.nextId();
data.graphicType = this.graphicTemplate.type;
if (!this.prepareData(data)) {
if (finish) {
this.finish();
}
return null;
}
const template = this.graphicTemplate;
const g = template.new();
g.loadData(data);
this.storeGraphic(g);
if (finish) {
this.finish(g);
}
return g;
}
/**
* 绘制完成
*/
finish(...graphics) {
this.clearCache();
this.app.interactionPlugin(CommonMouseTool.Name).resume();
this.app.updateSelected(...graphics);
}
}
/**
* 绘制应用
*/
class JlDrawApp extends GraphicApp {
font = BitmapFont.from('coordinates', {
fontFamily: 'Roboto',
fontSize: 16,
fill: '#ff2700',
}, { chars: ['画布坐标:() 屏幕坐标:() 缩放:.,', ['0', '9']] });
coordinates = new BitmapText('画布坐标: (0, 0) 屏幕坐标:(0, 0)', {
fontName: 'coordinates',
});
scaleText = new BitmapText('缩放: 1', {
fontName: 'coordinates',
});
drawAssistants = [];
_drawing = false;
debouncedFormDataUpdator;
get drawing() {
return this._drawing;
}
set drawing(value) {
this._drawing = value;
}
constructor(options) {
super(options);
this.appendDrawStatesDisplay();
// 拖拽操作记录
this.appOperationRecord();
// 绑定通用键盘操作
this.bindKeyboardOperation();
this.formDataSyncListen();
this.debouncedFormDataUpdator = debounce(this.doFormDataUpdate, 60);
}
setOptions(options) {
super.setOptions(options);
}
registerInteractionPlugin(...plugins) {
plugins.forEach((plugin) => {
if (plugin instanceof GraphicDrawAssistant) {
this.drawAssistants.push(plugin);
}
super.registerInteractionPlugin(plugin);
});
}
getDrawAssistant(graphicType) {
const sda = this.drawAssistants
.filter((da) => da.type === graphicType)
.pop();
if (!sda) {
throw new Error(`未找到图形绘制助手: ${graphicType}`);
}
return sda;
}
appOperationRecord() {
let dragStartDatas = [];
this.on('drag_op_start', (e) => {
// 图形拖拽,记录初始数据
if (!e.target.isCanvas()) {
dragStartDatas = this.selectedGraphics.map((g) => g.saveData());
}
});
// 图形拖拽操作监听
this.on('drag_op_end', () => {
// 图形拖拽,记录操作
if (dragStartDatas.length > 0) {
const newData = this.selectedGraphics.map((g) => g.saveData());
this.opRecord.record(new GraphicDataUpdateOperation(this, this.selectedGraphics, dragStartDatas, newData));
dragStartDatas = [];
}
});
// 菜单操作
let preMenuHandleDatas = [];
this.on('pre-menu-handle', (menu) => {
if (menu.name === '撤销' || menu.name === '重做') {
return;
}
preMenuHandleDatas = this.selectedGraphics.map((g) => g.saveData());
});
this.on('post-menu-handle', () => {
if (preMenuHandleDatas.length > 0) {
const newData = this.selectedGraphics.map((g) => g.saveData());
this.opRecord.record(new GraphicDataUpdateOperation(this, this.selectedGraphics, preMenuHandleDatas, newData));
preMenuHandleDatas = [];
}
});
}
/**
* 绘制状态信息显示
*/
appendDrawStatesDisplay() {
this.pixi.stage.addChild(this.coordinates);
this.pixi.stage.addChild(this.scaleText);
const bound = this.coordinates.getLocalBounds();
this.scaleText.position.set(bound.width + 10, 0);
this.canvas.on('mousemove', (e) => {
if (e.target) {
const { x, y } = this.toCanvasCoordinates(e.global);
const cpTxt = `(${x}, ${y})`;
const tp = e.global;
const tpTxt = `(${tp.x}, ${tp.y})`;
this.coordinates.text = `画布坐标:${cpTxt} 屏幕坐标:${tpTxt}`;
const bound = this.coordinates.getLocalBounds();
this.scaleText.position.set(bound.width + 10, 0);
}
});
this.viewport.on('zoomed-end', () => {
this.scaleText.text = `缩放: ${this.viewport.scaled}`;
});
}
bindKeyboardOperation() {
this.addKeyboardListener(
// Ctrl + A
new KeyListener({
value: 'KeyA',
combinations: [CombinationKey.Ctrl],
onPress: (e, app) => {
if (e.ctrlKey) {
app.selectAllGraphics();
}
},
}));
// 复制功能
this.addKeyboardListener(new KeyListener({
value: 'KeyD',
combinations: [CombinationKey.Shift],
onPress: (e, app) => {
this.graphicCopyPlugin.init();
},
}));
this.addKeyboardListener(new KeyListener({
// Ctrl + Z
value: 'KeyZ',
global: true,
combinations: [CombinationKey.Ctrl],
onPress: (e, app) => {
app.opRecord.undo();
},
}));
this.addKeyboardListener(new KeyListener({
// Ctrl + Shift + Z
value: 'KeyZ',
global: true,
combinations: [CombinationKey.Ctrl, CombinationKey.Shift],
onPress: (e, app) => {
app.opRecord.redo();
},
}));
this.addKeyboardListener(new KeyListener({
value: 'Delete',
onPress: (e, app) => {
app.deleteGraphicAndRecord(...app.selectedGraphics);
},
}));
this.addKeyboardListener(new KeyListener({
value: 'ArrowUp',
pressTriggerAsOriginalEvent: true,
onPress: (e, app) => {
updateGraphicPositionOnKeyboardEvent(app, UP);
},
onRelease: (e, app) => {
recordGraphicMoveOperation(app);
},
}));
this.addKeyboardListener(new KeyListener({
value: 'ArrowDown',
pressTriggerAsOriginalEvent: true,
onPress: (e, app) => {
updateGraphicPositionOnKeyboardEvent(app, DOWN);
},
onRelease: (e, app) => {
recordGraphicMoveOperation(app);
},
}));
this.addKeyboardListener(new KeyListener({
value: 'ArrowLeft',
pressTriggerAsOriginalEvent: true,
onPress: (e, app) => {
updateGraphicPositionOnKeyboardEvent(app, LEFT);
},
onRelease: (e, app) => {
recordGraphicMoveOperation(app);
},
}));
this.addKeyboardListener(new KeyListener({
value: 'ArrowRight',
pressTriggerAsOriginalEvent: true,
onPress: (e, app) => {
updateGraphicPositionOnKeyboardEvent(app, RIGHT);
},
onRelease: (e, app) => {
recordGraphicMoveOperation(app);
},
}));
}
/**
* 图形对象存储处理,默认添加图形交互
* @param graphic
*/
beforeGraphicStore(graphic) {
graphic.eventMode = 'static';
graphic.selectable = true;
graphic.draggable = true;
graphic.on('repaint', () => {
this.handleFormDataUpdate(graphic);
});
graphic.on('transformend', () => {
this.handleFormDataUpdate(graphic);
});
}
formData = undefined;
/**
* 绑定form表单对象
* @param form
*/
bindFormData(form) {
this.formData = form;
if (this.formData && this.selectedGraphics.length == 1) {
if (this.formData.graphicType == this.selectedGraphics[0].type) {
this.formData.copyFrom(this.selectedGraphics[0].saveData());
}
else {
this.formData = undefined;
}
}
}
/**
* 移除form绑定
* @param form
*/
unbindFormData(form) {
if (this.formData == form) {
this.formData = undefined;
}
}
formDataSyncListen() {
this.on('graphicselected', () => {
if (this.selectedGraphics.length == 1) {
this.handleFormDataUpdate(this.selectedGraphics[0]);
}
});
}
/**
* 处理表单数据更新使用debounce限流
*/
handleFormDataUpdate(g) {
this.debouncedFormDataUpdator(this, g);
}
doFormDataUpdate(g) {
if (this.selectedGraphics.length > 1)
return;
if (this.formData && g.type === this.formData.graphicType) {
this.formData.copyFrom(g.saveData());
}
}
updateCanvasAndRecord(data) {
const old = this.canvas.properties.clone();
this.canvas.update(data);
const newVal = this.canvas.properties.clone();
this.opRecord.record(new UpdateCanvasOperation(this, this.canvas, old, newVal));
}
updateGraphicAndRecord(g, data) {
const old = g.saveData();
g.updateData(data);
const newVal = g.saveData();
this.opRecord.record(new GraphicDataUpdateOperation(this, [g], [old], [newVal]));
}
}
let dragStartDatas = [];
function handleArrowKeyMoveGraphics(app, handler) {
if (app.selectedGraphics.length === 1 &&
app.selectedGraphics[0].hasSelectedChilds()) {
recursiveChildren(app.selectedGraphics[0], (child) => {
if (child.selected && child.draggable) {
handler(child);
}
});
}
else {
app.selectedGraphics.forEach((g) => {
handler(g);
});
}
}
function updateGraphicPositionOnKeyboardEvent(app, dp) {
let dragStart = false;
if (dragStartDatas.length === 0) {
dragStartDatas = app.selectedGraphics.map((g) => g.saveData());
dragStart = true;
}
handleArrowKeyMoveGraphics(app, (g) => {
if (dragStart) {
g.shiftStartPoint = g.position.clone();
g.emit('transformstart', GraphicTransformEvent.shift(g, ShiftData.new(g.shiftStartPoint)));
}
else {
g.shiftLastPoint = g.position.clone();
}
g.position.x += dp.x;
g.position.y += dp.y;
if (!dragStart) {
if (g.shiftStartPoint && g.shiftLastPoint) {
g.emit('transforming', GraphicTransformEvent.shift(g, ShiftData.new(g.shiftStartPoint, g.position.clone(), g.shiftLastPoint)));
}
}
});
}
function recordGraphicMoveOperation(app) {
if (dragStartDatas.length > 0 &&
dragStartDatas.length === app.selectedGraphics.length) {
const newData = app.selectedGraphics.map((g) => g.saveData());
app.opRecord.record(new GraphicDataUpdateOperation(app, app.selectedGraphics, dragStartDatas, newData));
handleArrowKeyMoveGraphics(app, (g) => {
if (g.shiftStartPoint) {
g.emit('transformend', GraphicTransformEvent.shift(g, ShiftData.new(g.shiftStartPoint, g.position.clone())));
}
});
}
dragStartDatas = [];
}
/**
* 实例化图形app
* @param options
* @returns
*/
function newGraphicApp(options) {
return new GraphicApp(options);
}
/**
* 实例化绘图app
* @param options
* @returns
*/
function newDrawApp(options) {
return new JlDrawApp(options);
}
export { AbsorbableCircle, AbsorbableLine, AbsorbablePoint, AbsorbablePointParam, AnimationManager, AppConsts, AppDragEvent, AppInteractionPlugin, AppWsMsgBroker, BezierCurveEditPlugin, BoundsGraphic, ChildTransform, ClientEngine, CombinationKey, CommonMouseTool, ContextMenu, ContextMenuPlugin, DOWN, DashedLine, DefaultWhiteMenuOptions, DefaultWhiteStyleOptions, DragPlugin, DraggablePoint, DraggablePointParam, GlobalKeyboardHelper, GraphicAnimation, GraphicCopyPlugin, GraphicDataUpdateOperation, GraphicDrawAssistant, GraphicEditPlugin, GraphicIdGenerator, GraphicInteractionPlugin, GraphicRelation, GraphicRelationParam, GraphicStore, GraphicTransform, GraphicTransformEvent, GraphicTransformPlugin, IdGenerator, InteractionPluginBase, InteractionPluginType, JlGraphic, JlGraphicAppKeyboardPlugin, JlGraphicTemplate, JlOperation, KeyListener, LEFT, LineEditPlugin, MessageClient, MqttMsgClient, OperationRecord, OtherInteractionPlugin, OutOfBound, PolylineEditPlugin, RIGHT, RelationManage, ScaleData, ShiftData, StompMessagingClient, SubscriptionClient, TransformPoints, UP, Vector2, VectorGraphicUtil, VectorText, ViewportMovePlugin, WsMsgCli, addBezierWayPoint, addLineWayPoint, addPolygonSegmentingPoint, addWayPoint, angleOfIncludedAngle, angleToAxisx, assertBezierPoints, calculateBezierPoints, calculateDistanceFromPointToLine, calculateFootPointFromPointToLine, calculateIntersectionPointOfCircleAndLine, calculateIntersectionPointOfCircleAndPoint, calculateLineMidpoint, calculateLineSegmentingPoint, calculateMirrorPoint, calculateMirrorPointBasedOnAxis, calculateOneBezierPoints, circlePoint, circlePoint2, clearWayPoint, convertLineToPolygonPoints, convertRectangleToPolygonPoints, convertToBezierParams, debounce, deserializeTransformInto, distance, distance2, epsilon, floatEquals, getCenterOfTwoRectangle, getIntersectionPoint, getNormalVector, getParallelOfPolyline, getRectangleCenter, getWayLineIndex, getWaypointRangeIndex, isLineContainOther, isParallelLines, isPointOnLine, isZero, lineBox, lineLine, linePoint, linePolygon, movePointAlongNormal, newDrawApp, newGraphicApp, pointBox, pointPoint, pointPoint2, pointPolygon, polylineBox, polylinePoint, polylinePolygon, recursiveChildren, recursiveFindChild, recursiveFindParent, recursiveParents, removeBezierWayPoint, removeLineWayPoint, removeWayPoint, serializeTransform, splitLineEvenly, splitPolyline };