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| Deletions are marked like this. | Additions are marked like this. |
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| ||'''pixel'''||a pixel|| | ||'''pixel'''||a pixel value|| |
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| ||'''r'''||a pointer to a value that will be filled into the red component|| ||'''g'''||a pointer to a value that will be filled into the green component|| ||'''b'''||a pointer to a value that will be filled into the blue component|| ||'''a'''||a pointer to a value that will be filled into the alpha component|| |
||'''r'''||a pointer to a value that will be filled with the red component|| ||'''g'''||a pointer to a value that will be filled with the green component|| ||'''b'''||a pointer to a value that will be filled with the blue component|| ||'''a'''||a pointer to a value that will be filled with the alpha component|| |
SDL_GetRGBA
Use this function to get RGBA values from a pixel in the specified format.
Syntax
void SDL_GetRGBA(Uint32 pixel,
const SDL_PixelFormat* format,
Uint8* r,
Uint8* g,
Uint8* b,
Uint8* a)
Function Parameters
pixel |
a pixel value |
format |
an SDL_PixelFormat structure describing the format of the pixel |
r |
a pointer to a value that will be filled with the red component |
g |
a pointer to a value that will be filled with the green component |
b |
a pointer to a value that will be filled with the blue component |
a |
a pointer to a value that will be filled with the alpha component |
Code Examples
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Remarks
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