getg man page on DragonFly

getg man page on DragonFly

Man page or keyword search:
man Server 44335 pages
apropos Keyword Search (all sections)
Output format

getr(3)				Allegro manual			       getr(3)

NAME
       getr,  getg,  getb,  geta  - Extract a color component from the current
       pixel format. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       int getr(int c);

       int getg(int c);

       int getb(int c);

       int geta(int c);

DESCRIPTION
       Given a color in the format being used by the current video mode, these
       functions  extract  one	of  the	 red, green, blue, or alpha components
       (ranging 0-255), calling the preceding 8, 15, 16,  24,  or  32-bit  get
       functions  as appropriate. The alpha part is only meaningful for 32-bit
       pixels. Example:

	  int r, g, b, color_value;

	  color_value = getpixel(screen, 100, 100);
	  r = getr(color_value);
	  g = getg(color_value);
	  b = getb(color_value);

SEE ALSO
       getr8(3), getr_depth(3), makecol(3), set_color_depth(3), exalpha(3)

Allegro				 version 4.4.2			       getr(3)

[top]

List of man pages available for DragonFly

Copyright (c) for man pages and the logo by the respective OS vendor.

For those who want to learn more, the polarhome community provides shell access and support.

[legal] [privacy] [GNU] [policy] [cookies] [netiquette] [sponsors] [FAQ]

Polarhome, production since 1999.
Member of Polarhome portal.
Based on Fawad Halim's script.
....................................................................

Vote for polarhome