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我有这fiddle,我想实现画布视图的光栅缩略图。一切正常,直到某些路径溢出视图边界,那些溢出的部分也会导出到缩略图中,这是不需要的。只有在画布上可见的部分应该在拇指中可见。我已经尝试过clipMask,不幸的是没有成功。Paperjs栅格化activeLayer从视图边界
HTML代码
<canvas id="c"></canvas>
<img id="thumb" />
paperscript代码
paper.install(window);
var canvas = document.getElementById('c');
paper.setup(canvas);
var style = {
fillColor : 'black'
};
var objects = new Group();
var background = new Path.Rectangle(view.bounds);
background.fillColor = 'red';
var rect = new Path.Rectangle(-10, 20 , 40, 50);
rect.fillColor = style;
objects.addChild(rect);
var rect = new Path.Rectangle(60, -20 , 40, 50);
rect.fillColor = style;
objects.addChild(rect);
var rect = new Path.Rectangle(195, 20 , 40, 50);
rect.fillColor = style;
objects.addChild(rect);
var rect = new Path.Rectangle(60, 195 , 40, 50);
rect.fillColor = style;
objects.addChild(rect);
objects.bringToFront();
view.draw();
var data = project.activeLayer.rasterize().toDataURL();
var img = document.getElementById('thumb');
img.src = data;
难道你们有什么想法,这可怎么解决呢?
非常感谢您的帮助。