|
Size: 1046
Comment: added DRAFT to top for removal after page is edited
|
Size: 956
Comment: update content (w/ Sam); remove 'draft' note
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 3: | Line 3: |
| ||<tablewidth="100%"style="color: rgb(255, 0, 0); text-align: center;">DRAFT|| | |
| Line 27: | Line 26: |
| <<Anchor(blendMode)>> '''blendMode''' may be SDL_BLENDMODE_NONE or a mask of any of the other [[SDL_BlendMode]] values OR'd together: <<Include(SDL_BlendMode, , , from="== Values ==", to="== Code Examples ==")>> | <<Anchor(blendMode)>> '''blendMode''' may be SDL_BLENDMODE_NONE or a mask of any of the following [[SDL_BlendMode]] values: <<Include(SDL_BlendMode, , , from="== Values ==", to="== Code Examples ==")>> |
SDL_GetRenderDrawBlendMode
Use this function to get the blend mode used for drawing operations.
Contents
Syntax
int SDL_GetRenderDrawBlendMode(int* blendMode)
Function Parameters
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 may be SDL_BLENDMODE_NONE or a mask of any of the following SDL_BlendMode values:
SDL_BLENDMODE_NONE |
no blending |
|
dstRGBA = srcRGBA |
SDL_BLENDMODE_BLEND |
alpha blending |
|
dstRGB = (srcRGB * srcA) + (dstRGB * (1-srcA)) |
|
dstA = srcA + (dstA * (1-srcA)) |
SDL_BLENDMODE_ADD |
additive blending |
|
dstRGB = (srcRGB * srcA) + dstRGB |
|
dstA = dstA |
SDL_BLENDMODE_MOD |
color modulate |
|
dstRGB = srcRGB * dstRGB |
|
dstA = dstA |
