sack::image::SetAlpha Macro

C++

#define SetAlpha( rgb, a ) ( ((rgb)&0x00FFFFFF) | ( (a)<<24 ) )

File

colordef.h

Description

Sets the alpha part of a color. (0-255 value, 0 being transparent, and 255 solid(opaque))

Example

CDATA color = BASE_COLOR_RED;
   
CDATA hazy_color = SetAlpha( color, 128 );

Group

Macros

Links

colordef.h, Macros, Example

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