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SDL_SetRenderDrawColor

Set the color used for drawing operations.

#include <SDL3/SDL_render.h>
bool SDL_SetRenderDrawColor(SDL_Renderer *renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

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

the rendering context.
the red value used to draw on the rendering target.
the green value used to draw on the rendering target.
the blue value used to draw on the rendering target.
the alpha value used to draw on the rendering target; usually SDL_ALPHA_OPAQUE (255). Use SDL_SetRenderDrawBlendMode to specify how the alpha channel is used.

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

This function should only be called on the main thread.

This function is available since SDL 3.2.0.

SDL_GetRenderDrawColor(3), SDL_SetRenderDrawColorFloat(3)