ClearColorA
From MCS Wiki AVR
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= <span class="f_Header">Example</span> = | = <span class="f_Header">Example</span> = | ||
| + | |||
| + | <source lang="bascomavr"> | ||
| + | ' Pseudocode | ||
| + | ' Drawing three characters with transparency 255, 128, and 64 | ||
| + | Begin_G BITMAPS | ||
| + | Vertex2II 50, 30, 31, &H47 | ||
| + | Color_A 128 | ||
| + | Vertex2II 58, 38, 31, &H47 | ||
| + | Color_A 64 | ||
| + | Vertex2II 66, 46, 31, &H47 | ||
| + | </source> [[File:Clip0102.png|center|Clip0102.png]] | ||
| + | |||
| + | <br/>{{Languages}} | ||
| + | |||
| + | [[Category:FT800 Commands]] | ||
Latest revision as of 22:26, 12 December 2014
Contents |
Action
Specify the clear value for the alpha channel.
Syntax
ClearColorA Alpha
Remarks
|
Alpha |
Alpha value used when the color buffer is cleared. The initial value is 0 |
Sets the alpha value applied to drawn elements - points, lines, and bitmaps. How the alpha value affects image pixels depends on BlendFunc, the default behavior is a transparent blend.
See also
Example
' Pseudocode ' Drawing three characters with transparency 255, 128, and 64 Begin_G BITMAPS Vertex2II 50, 30, 31, &H47 Color_A 128 Vertex2II 58, 38, 31, &H47 Color_A 64 Vertex2II 66, 46, 31, &H47
| Languages | English |
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