getr8 - Online Linux Manual PageSection : 3
Updated : version 4.4.3
Source : Allegro
Note : Allegro manual

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NAMEgetr8, getg8, getb8, getr15, getg15, getb15, getr16, getg16, getb16, getr24, getg24, getb24, getr32, getg32, getb32 − Extract a color component from the specified pixel format. Allegro game programming library.​

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SYNOPSIS#include <allegro.h> int getr8(int c); int getg8(int c); int getb8(int c); int getr15(int c); int getg15(int c); int getb15(int c); int getr16(int c); int getg16(int c); int getb16(int c); int getr24(int c); int getg24(int c); int getb24(int c); int getr32(int c); int getg32(int c); int getb32(int c);

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DESCRIPTIONGiven a color in a display dependent format, these functions extract one of the red, green, or blue components (ranging 0-255). Example: int r, g, b, color_value; color_value = _getpixel15(screen, 100, 100); r = getr15(color_value); g = getg15(color_value); b = getb15(color_value);

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SEE ALSOgeta32(3), getr(3), getr_depth(3), makecol(3), set_color_depth(3) 0

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