(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_SetRenderDrawColorFloat

Set the color used for drawing operations (Rect, Line and Clear).

Header File

Defined in <SDL3/SDL_render.h>

Syntax

bool SDL_SetRenderDrawColorFloat(SDL_Renderer *renderer, float r, float g, float b, float a);

Function Parameters

SDL_Renderer *	renderer	the rendering context.
float	r	the red value used to draw on the rendering target.
float	g	the green value used to draw on the rendering target.
float	b	the blue value used to draw on the rendering target.
float	a	the alpha value used to draw on the rendering target. Use SDL_SetRenderDrawBlendMode to specify how the alpha channel is used.

Return Value

(bool) Returns true on success or false on failure; call SDL_GetError() for more information.

Remarks

Set the color for drawing or filling rectangles, lines, and points, and for SDL_RenderClear().

Thread Safety

You may only call this function from the main thread.

Version

This function is available since SDL 3.1.3.

See Also

• SDL_GetRenderDrawColorFloat
• SDL_SetRenderDrawColor

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CategoryAPI, CategoryAPIFunction, CategoryRender

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