Get the color used for drawing operations (Rect, Line and Clear).
Defined in SDL_render.h
renderer | the rendering context |
r | a pointer filled in with the red value used to draw on the rendering target |
g | a pointer filled in with the green value used to draw on the rendering target |
b | a pointer filled in with the blue value used to draw on the rendering target |
a | a pointer filled in with the alpha value used to draw on the rendering target; usually SDL_ALPHA_OPAQUE (255) |
Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.
This function is available since SDL 2.0.0.