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⇤ ← Revision 1 as of 2010-02-25 20:44:53
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Comment: create page, add content (Rev 5540)
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Size: 890
Comment: update content - standard return value
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| Returns 0 on success, or -1 if the surface is not valid; call [[SDL_GetError]]() for more information. | Returns 0 on success or a negative error code on failure; call [[SDL_GetError]]() for more information. |
DRAFT |
SDL_GetSurfaceAlphaMod
Use this function to get the additional alpha value used in blit operations.
Contents
Syntax
int SDL_GetSurfaceAlphaMod(SDL_Surface* surface,
Uint8* alpha)
Function Parameters
surface |
the surface to query |
alpha |
a pointer filled in with the source alpha value |
Return Value
Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.
Code Examples
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Remarks
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