SDL_GetRGB3
Get rgb values from a pixel in the specified format.
Usage
#include "SDL3/SDL.h"
void SDL_GetRGB(Uint32 pixel, const SDL_PixelFormatDetails *format, const SDL_Palette *palette, Uint8 *r, Uint8 *g, Uint8 *b);
Header file
Defined in SDL3/SDL_pixels.h
Overview
This function uses the entire 8-bit [0..255] range when converting color components from pixel formats with less than 8-bits per RGB component (e.g., a completely white pixel in 16-bit RGB565 format would return [0xff, 0xff, 0xff] not [0xf8, 0xfc, 0xf8]).
Function parameters
pixel
|
a pixel value. |
|---|---|
format
|
a pointer to |
palette
|
an optional palette for indexed formats, may be NULL. |
r
|
a pointer filled in with the red component, may be NULL. |
g
|
a pointer filled in with the green component, may be NULL. |
b
|
a pointer filled in with the blue component, may be NULL. |
Thread safety
It is safe to call this function from any thread, as long as the palette is not modified.
Releases
12 releases since Debian 3.0 (Woody); the text changed 2 times.