Annotated edit history of
SDL_SetGammaRamp(3) version 2 showing authors affecting page license.
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SDL_!SetGammaRamp |
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!!!SDL_!SetGammaRamp |
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NAME |
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SYNOPSIS |
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DESCRIPTION |
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RETURN VALUE |
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SEE ALSO |
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---- |
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!!NAME |
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SDL_!SetGammaRamp- Sets the color gamma lookup tables for the display |
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!!SYNOPSIS |
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__#include __ |
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__int SDL_!SetGammaRamp__(__Uint16 *redtable, Uint16 |
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*greentable, Uint16 *bluetable__); |
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!!DESCRIPTION |
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Sets the gamma lookup tables for the display for each color |
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component. Each table is an array of 256 Uint16 values, |
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representing a mapping between the input and output for that |
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channel. The input is the index into the array, and the |
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output is the 16-bit gamma value at that index, scaled to |
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the output color precision. You may pass NULL to any of the |
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channels to leave them unchanged. |
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This function adjusts the gamma based on lookup tables, you |
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can also have the gamma calculated based on a |
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SDL_!SetGamma''. |
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Not all display hardware is able to change |
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gamma. |
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!!RETURN VALUE |
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Returns -1 on error (or if gamma adjustment is not |
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supported). |
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!!SEE ALSO |
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''SDL_!SetGamma SDL_!GetGammaRamp'' |
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---- |
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