Html 如何将两个或三个画布的内容本地复制到另一个画布
我有几层画布:Html 如何将两个或三个画布的内容本地复制到另一个画布,html,canvas,html5-canvas,Html,Canvas,Html5 Canvas,我有几层画布: <canvas id="layer1" width="700" height="700" class="pageCanvas"> </canvas> <canvas id="layer2" width="700" height="700" class="pageCanvas"> </canvas> <canvas id="layer3" width="700" height="700" class="pageCan
<canvas id="layer1" width="700" height="700" class="pageCanvas"> </canvas>
<canvas id="layer2" width="700" height="700" class="pageCanvas"> </canvas>
<canvas id="layer3" width="700" height="700" class="pageCanvas"> </canvas>
我想把画布的图像
第1层和第2层
画
第三层
如果你把代码写下来我会很高兴,因为我在网上找不到任何好的解释
谢谢`将两张画布组合起来,放到第3层:
var canvas1 = document.getElementById('layer1');
var canvas2 = document.getElementById('layer2');
var canvas3 = document.getElementById('layer3');
canvas3.drawImage(canvas1, 0, 0);
canvas3.drawImage(canvas2, 0, 0);