import * as matrix from 'zrender/src/core/matrix';
import deviceRender from '../constant/deviceRender';

export function createTransform(opts) {
    let transform = matrix.create();
    transform = matrix.scale(matrix.create(), transform, [opts.scaleRate, opts.scaleRate]);
    transform = matrix.translate(matrix.create(), transform, [-opts.offsetX, -opts.offsetY]);
    return transform;
}

export function createTransform1(opts) {
    let transform = matrix.create();
    transform = matrix.scale(matrix.create(), transform, [opts.scaleRateX, opts.scaleRateY]);
    transform = matrix.translate(matrix.create(), transform, [-opts.offsetX, -opts.offsetY]);
    return transform;
}

export function createBoundingRect(view) {
    const rect = view.getBoundingRect().clone();
    const scale = view.scale[0];
    const offsetX = view.position[0];
    const offsetY = view.position[1];
    rect.x = rect.x * scale + offsetX;
    rect.y = rect.y * scale + offsetY;
    rect.width = rect.width * scale;
    rect.height = rect.height * scale;
    return rect;
}

export function calculateDCenter(viewRect, offsetX) {
    var dx = offsetX - viewRect.width / 2 - viewRect.x;
    var dy = 0;
    return { dx: dx, dy: dy };
}

export function deviceFactory(type, elem, showConfig) {
    return {...deviceRender[type], ...elem, ...showConfig};
}