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Use this function to check whether a rectangle has no area.


SDL_bool SDL_RectEmpty(const SDL_Rect* r)

Function Parameters


the SDL_Rect structure representing the rectangle to check

Return Value

Returns SDL_TRUE if the rectangle has no area or SDL_FALSE if it does; see Remarks for details.

Code Examples

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If the rectangle defined by r is NULL or has a width or height <= 0 it has no area and this function returns SDL_TRUE. If both width and height are > 0 the rectangle has area and this function returns SDL_FALSE.

CategoryAPI, CategoryRect

None: SDL_RectEmpty (last edited 2013-08-11 12:23:59 by PhilippWiesemann)

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