SDL_SetRenderDrawColor - Set the color used for drawing operations.

       This function is available since SDL 3.2.0.

       Set the color for drawing or filling rectangles, lines, and points, and for

       SDL_RenderClear ().

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.

       Defined in SDL3/SDL_render.h

       SDL_SetRenderDrawColor - Set the color used for drawing operations.

       Returns true on success or false on failure; call

       SDL_GetError () for more information.

•(3), SDL_GetRenderDrawColor(3), •(3), SDL_SetRenderDrawColorFloat(3)

Simple Directmedia Layer                           SDL 3.2.10                          SDL_SetRenderDrawColor(3)

#include"SDL3/SDL.h"boolSDL_SetRenderDrawColor(SDL_Renderer*renderer,Uint8r,Uint8g,Uint8b,Uint8a);

       This function should only be called on the main thread.