Both of these colors use the rgba function to specify the red-green-blue values, plus an alpha transparency value.
这两种颜色都使用rgba函数来指定“红-绿-蓝”值，以及一个alpha透明度值。
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。
Viewing and editing of images and textures with support for alpha channels and transparency.
可查看、编辑图片和纹理，支持alphachannels和transparency。
Draws the surface stretched to the indicated region. color is the blending color and alpha indicates the transparency setting.
在指定的区域内延伸绘制表面，颜色是混合色和指定透明度设置的透明(度)。
The technology is the alpha blending, and transparency.
采用的技术是alpha混合，透明。编译工具是VC++。
The technology is the alpha blending, and transparency.
采用的技术是alpha混合，透明。编译工具是VC++。
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