未分类

AlphaBlendMatrix and how to resize the image by C#

The description about Alpha Blending in MSDN is as follows

Alpha Blending Lines and Fills

In GDI+, a color is a 32-bit value with 8 bits each for alpha, red, green, and blue. The alpha value indicates the transparency of the color — the extent to which the color is blended with the background color. Alpha values range from 0 through 255, where 0 represents a fully transparent color, and 255 represents a fully opaque color. Continue reading