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)