Set the color used for drawing operations.
Defined in <SDL3/SDL_render.h>
bool SDL_SetRenderDrawColor(SDL_Renderer *renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
SDL_Renderer * | renderer | the rendering context. |
Uint8 | r | the red value used to draw on the rendering target. |
Uint8 | g | the green value used to draw on the rendering target. |
Uint8 | b | the blue value used to draw on the rendering target. |
Uint8 | a | 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. |
(bool) Returns true on success or false on failure; call SDL_GetError() for more information.
Set the color for drawing or filling rectangles, lines, and points, and for SDL_RenderClear().
You may only call this function from the main thread.
This function is available since SDL 3.1.3.