dos

Public/static/js/common.js

@@ -77,7 +77,7 @@ preloadimages(preloadImageList, function () {
     $('input[name=job-number]').attr('placeholder', '请输入工号').attr('type', 'tel');
     // blackUrl = $('.black').css('background-image').replace(/^url\((['"]?)(.*)\1\)$/, '$2');
     // $('.black').css('background-image', 'none');
-    let canvasinfo = initCanvas('.upload-canvas-block', 'uploadCanvas', 640 * 4, canvasHeight * 4);
+    let canvasinfo = initCanvas('.upload-canvas-block', 'uploadCanvas', 640 * 2, canvasHeight * 2);
     uploadCanvas = canvasinfo[0];
     uploadCtx = canvasinfo[1];
 
@@ -395,8 +395,8 @@ function bindMc(mc, ctx, myCanvas, img, imgInfo) {
             oldpoz.x = event.deltaX;
             oldpoz.y = event.deltaY;
             //console.log("movedX:" + movedX + ' movedY:' + movedY + 'event.deltaX:' + event.deltaX + ' event.deltaY:' + event.deltaY + "\r\n");
-            imgInfo.x += movedX * 4;
-            imgInfo.y += movedY * 4;
+            imgInfo.x += movedX * 2;
+            imgInfo.y += movedY * 2;
             drawImage(ctx, myCanvas, img, imgInfo);
         }
     });
@@ -477,11 +477,11 @@ function drawImage(ctx, myCanvas, img, imgInfo) {
 
     ctx.save();
     ctx.clearRect(0, 0, myCanvas.width, myCanvas.height);
-    ctx.translate(myCanvas.width / 4, myCanvas.height / 4);
+    ctx.translate(myCanvas.width / 2, myCanvas.height / 2);
     ctx.translate(imgInfo.x, imgInfo.y);
     ctx.rotate(Math.PI / 180 * imgInfo.rotation);
     ctx.scale(imgInfo.scale, imgInfo.scale);
-    ctx.drawImage(img, -img.width, -img.height, img.width * 4, img.height * 4);
+    ctx.drawImage(img, -img.width, -img.height, img.width * 2, img.height * 2);
     ctx.restore();
 }