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create_rgb_table(3alleg4) [opendarwin man page]

create_rgb_table(3alleg4)					  Allegro manual					 create_rgb_table(3alleg4)

NAME
create_rgb_table - Generates an RGB mapping table with lookup data for a palette. Allegro game programming library. SYNOPSIS
#include <allegro.h> void create_rgb_table(RGB_MAP *table, const PALETTE pal, void (*callback)(int pos)); DESCRIPTION
Fills the specified RGB mapping table with lookup data for the specified palette. If the callback function is not NULL, it will be called 256 times during the calculation, allowing you to display a progress indicator. Example: RGB_MAP rgb_table; create_rgb_table(&rgb_table, palette, NULL); rgb_map = &rgb_table; SEE ALSO
rgb_map(3alleg4), ex3d(3alleg4), excolmap(3alleg4), exrgbhsv(3alleg4), exshade(3alleg4), extrans(3alleg4) Allegro version 4.4.2 create_rgb_table(3alleg4)

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rgb_map(3alleg4)						  Allegro manual						  rgb_map(3alleg4)

NAME
rgb_map - Look up table to speed up reducing RGB values to palette colors. Allegro game programming library. SYNOPSIS
#include <allegro.h> extern RGB_MAP *rgb_map; DESCRIPTION
To speed up reducing RGB values to 8-bit paletted colors, Allegro uses a 32k lookup table (5 bits for each color component). You must set up this table before using the gouraud shading routines, and if present the table will also vastly accelerate the makecol8() and some cre- ate_*_table() functions. RGB tables can be precalculated with the rgbmap utility, or generated at runtime with create_rgb_table(). SEE ALSO
create_rgb_table(3alleg4), makecol8(3alleg4), create_trans_table(3alleg4), create_light_table(3alleg4), create_color_table(3alleg4), ex3d(3alleg4), excolmap(3alleg4), exrgbhsv(3alleg4), exshade(3alleg4), extrans(3alleg4) Allegro version 4.4.2 rgb_map(3alleg4)
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