bestfit_color(3alleg4) Allegro manual bestfit_color(3alleg4)NAME
bestfit_color - Finds a palette color fitting the requested RGB values. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
int bestfit_color(const PALETTE pal, int r, int g, int b);
DESCRIPTION
Searches the specified palette for the closest match to the requested color, which are specified in the VGA hardware 0-63 format. Normally
you should call makecol8() instead, but this lower level function may be useful if you need to use a palette other than the currently
selected one, or specifically don't want to use the rgb_map lookup table.
RETURN VALUE
Returns the index of the palette for the closest match to the requested color.
SEE ALSO makecol8(3alleg4)Allegro version 4.4.2 bestfit_color(3alleg4)
Check Out this Related Man Page
makecol8(3alleg4) Allegro manual makecol8(3alleg4)NAME
makecol8, makecol15, makecol16, makecol24, makecol32 - Converts an RGB value into a display dependent pixel format. Allegro game program-
ming library.
SYNOPSIS
#include <allegro.h>
int makecol8(int r, int g, int b);
int makecol15(int r, int g, int b);
int makecol16(int r, int g, int b);
int makecol24(int r, int g, int b);
int makecol32(int r, int g, int b);
DESCRIPTION
These functions convert colors from a hardware independent form (red, green, and blue values ranging 0-255) into various display dependent
pixel formats. Converting to 15, 16, 24, or 32-bit formats only takes a few shifts, so it is fairly efficient. Converting to an 8-bit color
involves searching the palette to find the closest match, which is quite slow unless you have set up an RGB mapping table (see below).
Example:
/* 16 bit color version of green. */
int green_color = makecol16(0, 255, 0);
RETURN VALUE
Returns the requested RGB triplet in the specified color depth.
SEE ALSO makeacol32(3alleg4), makecol(3alleg4), makecol_depth(3alleg4), makecol15_dither(3alleg4), rgb_map(3alleg4), bestfit_color(3alleg4),
set_color_depth(3alleg4), exrgbhsv(3alleg4)Allegro version 4.4.2 makecol8(3alleg4)
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