Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
如题，我通过img[]得到了RGB的像素数据，通过修改后（加了一块红色的方块）想重新合成新的图像，请问如何做呢，谢谢各位！
我不太懂什么意思，img是对象，你对它操作了，它就变了。img就是图像啊。