区段变换数据

src/graphics/section/Section.ts

@@ -47,6 +47,9 @@ export class Section extends JlGraphic implements ILineGraphic {
     this.labelGraphic.setVectorFontSize(14);
     this.labelGraphic.anchor.set(0.5);
     this.labelGraphic.style.fill = '#0f0';
+    this.labelGraphic.transformSave = true;
+    this.labelGraphic.name = 'label';
+    this.transformSave = true;
     this.addChild(this.lineGraphic);
     this.addChild(this.labelGraphic);
   }

src/graphics/section/SectionDrawAssistant.ts

@@ -1,8 +1,10 @@
 import {
+  ChildTransform,
   DraggablePoint,
   GraphicApp,
   GraphicDrawAssistant,
   GraphicInteractionPlugin,
+  GraphicTransform,
   GraphicTransformEvent,
   JlDrawApp,
   JlGraphic,
@@ -86,6 +88,20 @@ export class SectionDraw extends GraphicDrawAssistant<
   prepareData(data: ISectionData): boolean {
     data.points = this.points;
     data.code = 'G000';
+    data.childTransforms?.push(
+      new ChildTransform(
+        'label',
+        new GraphicTransform(
+          {
+            x: data.points[1].x - data.points[0].x,
+            y: data.points[1].y - data.points[0].y + 20,
+          },
+          { x: 0, y: 0 },
+          0,
+          { x: 0, y: 0 }
+        )
+      )
+    );
 
     return true;
   }
@@ -215,8 +231,6 @@ export class SectionPointEditPlugin extends GraphicInteractionPlugin<Section> {
     g.labelGraphic.eventMode = 'static';
     g.labelGraphic.cursor = 'pointer';
     g.labelGraphic.draggable = true;
-    g.labelGraphic.transformSave = true;
-    g.labelGraphic.name = 'label';
     g.on('selected', this.onSelected, this);
     g.on('unselected', this.onUnselected, this);
   }