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Size: 847
Comment: update content (w/ Sam); remove 'draft' note
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← Revision 10 as of 2011-02-15 19:25:53 ⇥
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| Deletions are marked like this. | Additions are marked like this. |
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| int SDL_GetTextureBlendMode(SDL_Texture* texture, int* blendMode) |
int SDL_GetTextureBlendMode(SDL_Texture* texture, SDL_BlendMode* blendMode) |
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| ||'''blendMode'''||a pointer filled in with the current [[SDL_BlendMode]]|| | ||'''blendMode'''||a pointer filled in with the current [[SDL_BlendMode]]; see [[#Remarks|Remarks]] for details|| |
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| ''You can add useful comments here'' | '''blendMode''' will be filled in with one of the following: <<Include(SDL_BlendMode, , , from="== Values ==", to="== Code Examples ==")>> |
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| [[CategoryAPI]], [[CategoryVideo]] | [[CategoryAPI]], [[CategoryRender]] |
SDL_GetTextureBlendMode
Use this function to get the blend mode used for texture copy operations.
Contents
Syntax
int SDL_GetTextureBlendMode(SDL_Texture* texture,
SDL_BlendMode* blendMode)
Function Parameters
texture |
the texture to query |
blendMode |
a pointer filled in with the current SDL_BlendMode; see Remarks for details |
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
blendMode will be filled in with one of the following:
SDL_BLENDMODE_NONE |
no blending |
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dstRGBA = srcRGBA |
SDL_BLENDMODE_BLEND |
alpha blending |
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dstRGB = (srcRGB * srcA) + (dstRGB * (1-srcA)) |
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dstA = srcA + (dstA * (1-srcA)) |
SDL_BLENDMODE_ADD |
additive blending |
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dstRGB = (srcRGB * srcA) + dstRGB |
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dstA = dstA |
SDL_BLENDMODE_MOD |
color modulate |
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dstRGB = srcRGB * dstRGB |
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dstA = dstA |
