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SDL Wiki

SDL_UpdateWindowSurfaceRects

Copy areas of the window surface to the screen.

Syntax

int SDL_UpdateWindowSurfaceRects(SDL_Window * window,
                                 const SDL_Rect * rects,
                                 int numrects);

Function Parameters

window

the window to update

rects

an array of SDL_Rect structures representing areas of the surface to copy

numrects

the number of rectangles

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

Remarks

This is the function you use to reflect changes to portions of the surface on the screen.

This function is equivalent to the SDL 1.2 API SDL_UpdateRects().

SDL_GetWindowSurface
SDL_UpdateWindowSurface

CategoryAPI, CategoryVideo


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