(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)

SDL_CalculateGammaRamp

Calculate a 256 entry gamma ramp for a gamma value.

Header File

Defined in SDL_pixels.h

Syntax

void SDL_CalculateGammaRamp(float gamma, Uint16 * ramp);

Function Parameters

gamma a gamma value where 0.0 is black and 1.0 is identity
ramp an array of 256 values filled in with the gamma ramp

Version

This function is available since SDL 2.0.0.

See Also

CategoryAPI, CategoryAPIFunction, CategoryPixels