getr8(3alleg4) [opendarwin man page]
getr8(3alleg4) Allegro manual getr8(3alleg4) NAME
getr8, getg8, getb8, getr15, getg15, getb15, getr16, getg16, getb16, getr24, getg24, getb24, getr32, getg32, getb32 - Extract a color com- ponent from the specified pixel format. Allegro game programming library. 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); DESCRIPTION
Given 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); SEE ALSO
geta32(3alleg4), getr(3alleg4), getr_depth(3alleg4), makecol(3alleg4), set_color_depth(3alleg4) Allegro version 4.4.2 getr8(3alleg4)
Check Out this Related Man Page
getr8(3alleg4) Allegro manual getr8(3alleg4) NAME
getr8, getg8, getb8, getr15, getg15, getb15, getr16, getg16, getb16, getr24, getg24, getb24, getr32, getg32, getb32 - Extract a color com- ponent from the specified pixel format. Allegro game programming library. 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); DESCRIPTION
Given 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); SEE ALSO
geta32(3alleg4), getr(3alleg4), getr_depth(3alleg4), makecol(3alleg4), set_color_depth(3alleg4) Allegro version 4.4.2 getr8(3alleg4)