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Revision 1 as of 2011-03-18 17:57:38

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SDL_SetWindowGammaRamp

Use this function to set the gamma ramp for a window.

Syntax

int SDL_SetWindowGammaRamp(SDL_Window*   window,
                           const Uint16* red,
                           const Uint16* green,
                           const Uint16* blue)

Function Parameters

window

the window to change

red

the red gamma ramp

green

the green gamma ramp

blue

the blue gamma ramp

Return Value

Returns 0 on success, or a negative error code on failure; call SDL_GetError() for more information.

Code Examples

You can add your code example here

Remarks

Set the gamma translation table for the red, green, and blue channels of the video hardware. Each table is an array of 256 16-bit quantities, representing a mapping between the input and output for that channel. The input is the index into the array, and the output is the 16-bit gamma value at that index, scaled to the output color precision.


CategoryAPI, CategoryVideo

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