The only real problem is alpha-transparency in true color PNGs, but then again, GIFs are not true color and don't support variable transparency either.
只有真正的问题是 alpha 透明度在真彩色 PNG，但又中 GIF 不是真彩色，也不支持可变的透明度。
I also included four color properties and a Radius variable which can be used in the painting code to achieve a nice look and feel.
我还包括四个颜色属性和一个半径变量，可以在画的代码用来实现一个不错的外观和感觉。
How do I change the foreground text color of (local variable '... 'is never used) in code.
我怎样改变前景文本颜色(局部变量“……从未被使用)代码。”
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