makeacol - Online Linux Manual PageSection : 3
Updated : version 4.4.3
Source : Allegro
Note : Allegro manual

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NAMEmakeacol, makeacol_depth − Converts RGBA colors into display dependent pixel formats. Allegro game programming library.​

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SYNOPSIS#include <allegro.h> int makeacol(int r, int g, int b, int a); int makeacol_depth(int color_depth, int r, int g, int b, int a);

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DESCRIPTIONConvert RGBA colors into display dependent pixel formats. In anything less than a 32-bit mode, these are the same as calling makecol() or makecol_depth(), but by using these routines it is possible to create 32-bit color values that contain a true 8 bit alpha channel along with the red, green, and blue components. You should only use RGBA format colors as the input to draw_trans_sprite() or draw_trans_rle_sprite() after calling set_alpha_blender(), rather than drawing them directly to the screen.

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RETURN VALUEReturns the requested RGBA quadruplet.

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SEE ALSOmakecol(3), makecol_depth(3), set_alpha_blender(3), set_write_alpha_blender(3), exrotscl(3) 0

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Johanes Gumabo

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