Man page - sdl_clearsurface(3)

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Manual

SDL_ClearSurface(3) SDL3 FUNCTIONS SDL_ClearSurface(3)

SDL_ClearSurface - Clear a surface with a specific color, with floating point precision.

Defined in SDL3/SDL_surface.h

#include "SDL3/SDL.h"
bool SDL_ClearSurface(SDL_Surface *surface, float r, float g, float b, float a);

This function handles all surface formats, and ignores any clip rectangle.

If the surface is YUV, the color is assumed to be in the sRGB colorspace, otherwise the color is assumed to be in the colorspace of the suface.

the SDL_Surface
to clear.
the red component of the pixel, normally in the range 0-1.
the green component of the pixel, normally in the range 0-1.
the blue component of the pixel, normally in the range 0-1.
the alpha component of the pixel, normally in the range 0-1.

Returns true on success or false on failure; call

SDL_GetError () for more information.

This function is not thread safe.

This function is available since SDL 3.2.0.

SDL 3.2.10 Simple Directmedia Layer