(This is the legacy documentation for SDL2, the previous stable version; SDL3 is the current stable version.)

SDL_SetRenderDrawBlendMode

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

Header File

Defined in SDL_render.h

Syntax

int SDL_SetRenderDrawBlendMode(SDL_Renderer * renderer,
                               SDL_BlendMode blendMode);

Function Parameters

SDL_Renderer *	renderer	the rendering context.
SDL_BlendMode	blendMode	the SDL_BlendMode to use for blending.

Return Value

(int) 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.

Version

This function is available since SDL 2.0.0.

See Also

• SDL_GetRenderDrawBlendMode
• SDL_RenderDrawLine
• SDL_RenderDrawLines
• SDL_RenderDrawPoint
• SDL_RenderDrawPoints
• SDL_RenderDrawRect
• SDL_RenderDrawRects
• SDL_RenderFillRect
• SDL_RenderFillRects

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CategoryAPI, CategoryAPIFunction, CategoryRender

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