Windows Icons |
XP style windows icons are the in-thing now-a-days. This is owing to many viable advantages that the XP icons present in comparison to true color icons. So what is it that differentiates true color icons from XP style icons? It's nothing but the use of alpha channel. Read more to find what alpha channel really means and how it is used to enhance true color windows icons.
What is alpha channel?
Alpha channel in a graphic represents the transparency information present in each pixel's data. For instance a 32 bit image will have four channels, which would consist of three 8-bit channels for the colors red, greed and blue and a single 8-bit alpha channel for transparency.
To put it in simple words, Alpha channel is nothing but a mask that is used by graphic designers to specify how an image's colors (pixel's colors) should merge with another image or background (or another pixel), when one is overlaid on top of the other. So basically the use of alpha channel is to remove jagged edges that might generate when two images are merged.
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