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Added SDL_PointInRect().

This commit is contained in:
Ryan C. Gordon 2014-05-27 00:26:47 -04:00
parent ded970f70f
commit b7f90442df
1 changed files with 10 additions and 0 deletions
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10
include/SDL_rect.h
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@ -43,6 +43,7 @@ extern "C" {
* \brief The structure that defines a point
*
* \sa SDL_EnclosePoints
* \sa SDL_PointInRect
*/
typedef struct SDL_Point
{
@ -66,6 +67,15 @@ typedef struct SDL_Rect
int w, h;
} SDL_Rect;
/**
* \brief Returns true if point resides inside a rectangle.
*/
SDL_FORCE_INLINE SDL_bool SDL_PointInRect(const SDL_Point *p, const SDL_Rect *r)
{
return ( (p->x >= r->x) && (p->x < (r->x + r->w)) &&
(p->y >= r->y) && (p->y < (r->y + r->h)) );
}
/**
* \brief Returns true if the rectangle has no area.
*/