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SDL Wiki

SDL_SetRenderDrawBlendMode

Set the blend mode used for drawing operations (Fill and Line).

Syntax

int SDL_SetRenderDrawBlendMode(SDL_Renderer * renderer,
                               SDL_BlendMode blendMode);

Function Parameters

renderer

the rendering context

blendMode

the SDL_BlendMode to use for blending

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

Remarks

If the blend mode is not supported, the closest supported mode is chosen.

SDL_GetRenderDrawBlendMode
SDL_RenderDrawLine
SDL_RenderDrawLines
SDL_RenderDrawPoint
SDL_RenderDrawPoints
SDL_RenderDrawRect
SDL_RenderDrawRects
SDL_RenderFillRect
SDL_RenderFillRects

CategoryAPI, CategoryRender


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