只是一个简单的问题。
这可以:
在iOS设备上进行图像处理吗?如果有,怎么样?
be done with image processing on an iOS device? If yes, how?
推荐答案您应该能够仅仅通过循环和在黑色和白色绘制圆,然后使用该图像来做到这一点图片的掩码。
You should be able to do this just by looping and drawing the circles in black and white, and then using that image as a mask for your image.
这是我在Google上发现的第一个关于CoreGraphics屏蔽的链接,你可以根据自己的需要调整它: cocoawithlove/2009/09/creating-alpha-masks-from-text -on.html
Here's the first link I found on Google about CoreGraphics masking, which you can probably adapt for your needs: cocoawithlove/2009/09/creating-alpha-masks-from-text-on.html
我想你可以通过自己的一些谷歌搜索来绘制很多圆圈。
I'd imagine drawing lots of circles is something you can figure out with some Googling of your own.
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我可以将图像转换为点网格吗?
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