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


Calculate a 256 entry gamma ramp for a gamma value.

Header File

Defined in SDL_pixels.h


void SDL_CalculateGammaRamp(float gamma, Uint16 * ramp);

Function Parameters

float gamma a gamma value where 0.0 is black and 1.0 is identity.
Uint16 * ramp an array of 256 values filled in with the gamma ramp.


This function is available since SDL 2.0.0.

See Also

CategoryAPI, CategoryAPIFunction, CategoryPixels

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