NAME
SDL_SetRenderDrawColor - Set the color used for drawing operations.
HEADER FILE
Defined in SDL3/SDL_render.h
SYNOPSIS
#include "SDL3/SDL.h"
bool SDL_SetRenderDrawColor(SDL_Renderer *renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
DESCRIPTION
Set the color for drawing or filling rectangles, lines, and points, and for
SDL_RenderClear ().
FUNCTION PARAMETERS
- renderer
-
the rendering context.
- r
-
the red value used to draw on the rendering target.
- g
-
the green value used to draw on the rendering target.
- b
-
the blue value used to draw on the rendering target.
- 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.
RETURN VALUE
Returns true on success or false on failure; call
SDL_GetError () for more information.
THREAD SAFETY
This function should only be called on the main thread.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
•(3), SDL_GetRenderDrawColor(3), •(3), SDL_SetRenderDrawColorFloat(3)