添加衣服纹理功能

src/tool/canvasDrawing.js

@@ -115,7 +115,8 @@ async function exportSele(canvas,format){
 	}
 	var exportCanvas = new fabric.Canvas(null, {
 		width: activeObjects.width,
-		height: activeObjects.height
+		height: activeObjects.height,
+		backgroundColor: "rgba(255, 255, 255)",
 	});
 	await new Promise((resolve, reject)=>{
 		activeObjects.clone((value)=>{
@@ -162,7 +163,7 @@ function JScreateCheck(e){//创建对号
 	});
 	return polyLineBtn
 }
-function JScanvasMouseMove(str,e, currentPatterning,downPoint) {
+function JScanvasMouseMove(str,e, currentPatterning,downPoint,keyDown) {
 	const currentPoint = e.absolutePointer
 	let width,height,top,left,radius,rx,ry
 	switch (str) {
@@ -203,7 +204,17 @@ function JScanvasMouseMove(str,e, currentPatterning,downPoint) {
 		break
 		case 'ellipse':
 			rx = Math.abs(downPoint.x - currentPoint.x) / 2
-			ry = Math.abs(downPoint.y - currentPoint.y) / 2
+			if(keyDown.indexOf('ShiftLeft')>-1){
+				ry = Math.abs(downPoint.y - currentPoint.y) / 2
+				if(rx > ry){
+					ry = rx
+				}else{
+					rx = ry
+				}
+			}else{
+				ry = Math.abs(downPoint.y - currentPoint.y) / 2
+			}
+			height = width
 		
 			top = currentPoint.y > downPoint.y ? downPoint.y : downPoint.y - ry * 2
 			left = currentPoint.x > downPoint.x ? downPoint.x :  downPoint.x - rx * 2
@@ -219,7 +230,6 @@ function JScanvasMouseMove(str,e, currentPatterning,downPoint) {
 			points[points.length - 1].y = currentPoint.y
 		break
 	}
-
 }
 function JSRectUpdata(rect, downPointer, upPointer) {
 	let height = (downPointer.y - upPointer.y)
@@ -230,4 +240,26 @@ function JSRectUpdata(rect, downPointer, upPointer) {
 	})
 	return rect
 }
-export { multiselectJS, JSRectUpdata, JSchangeType, JScanvasMouseDown, JScanvasMouseMove,JScreateCheck,exportSele }
+async function JSSetTexture(src,){
+	let img
+	await new Promise((resolve, reject) => {
+		img = new Image
+		img.src = src
+		img.onload = ()=>{
+			img.width = 200
+			img.height = 200
+			resolve()
+		}
+	})
+	return img
+}
+export { 
+	multiselectJS, 
+	JSRectUpdata, 
+	JSchangeType, 
+	JScanvasMouseDown, 
+	JScanvasMouseMove,
+	JScreateCheck,
+	exportSele,
+	JSSetTexture 
+}