+++ /dev/null
-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-*/
-
-/**
- * \file SDL_rect.h
- *
- * Header file for SDL_rect definition and management functions.
- */
-
-#ifndef SDL_rect_h_
-#define SDL_rect_h_
-
-#include "SDL_stdinc.h"
-#include "SDL_error.h"
-#include "SDL_pixels.h"
-#include "SDL_rwops.h"
-
-#include "begin_code.h"
-/* Set up for C function definitions, even when using C++ */
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * \brief The structure that defines a point (integer)
- *
- * \sa SDL_EnclosePoints
- * \sa SDL_PointInRect
- */
-typedef struct SDL_Point
-{
- int x;
- int y;
-} SDL_Point;
-
-/**
- * \brief The structure that defines a point (floating point)
- *
- * \sa SDL_EnclosePoints
- * \sa SDL_PointInRect
- */
-typedef struct SDL_FPoint
-{
- float x;
- float y;
-} SDL_FPoint;
-
-
-/**
- * \brief A rectangle, with the origin at the upper left (integer).
- *
- * \sa SDL_RectEmpty
- * \sa SDL_RectEquals
- * \sa SDL_HasIntersection
- * \sa SDL_IntersectRect
- * \sa SDL_UnionRect
- * \sa SDL_EnclosePoints
- */
-typedef struct SDL_Rect
-{
- int x, y;
- int w, h;
-} SDL_Rect;
-
-
-/**
- * \brief A rectangle, with the origin at the upper left (floating point).
- */
-typedef struct SDL_FRect
-{
- float x;
- float y;
- float w;
- float h;
-} SDL_FRect;
-
-
-/**
- * \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)) ) ? SDL_TRUE : SDL_FALSE;
-}
-
-/**
- * \brief Returns true if the rectangle has no area.
- */
-SDL_FORCE_INLINE SDL_bool SDL_RectEmpty(const SDL_Rect *r)
-{
- return ((!r) || (r->w <= 0) || (r->h <= 0)) ? SDL_TRUE : SDL_FALSE;
-}
-
-/**
- * \brief Returns true if the two rectangles are equal.
- */
-SDL_FORCE_INLINE SDL_bool SDL_RectEquals(const SDL_Rect *a, const SDL_Rect *b)
-{
- return (a && b && (a->x == b->x) && (a->y == b->y) &&
- (a->w == b->w) && (a->h == b->h)) ? SDL_TRUE : SDL_FALSE;
-}
-
-/**
- * \brief Determine whether two rectangles intersect.
- *
- * \return SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
- */
-extern DECLSPEC SDL_bool SDLCALL SDL_HasIntersection(const SDL_Rect * A,
- const SDL_Rect * B);
-
-/**
- * \brief Calculate the intersection of two rectangles.
- *
- * \return SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
- */
-extern DECLSPEC SDL_bool SDLCALL SDL_IntersectRect(const SDL_Rect * A,
- const SDL_Rect * B,
- SDL_Rect * result);
-
-/**
- * \brief Calculate the union of two rectangles.
- */
-extern DECLSPEC void SDLCALL SDL_UnionRect(const SDL_Rect * A,
- const SDL_Rect * B,
- SDL_Rect * result);
-
-/**
- * \brief Calculate a minimal rectangle enclosing a set of points
- *
- * \return SDL_TRUE if any points were within the clipping rect
- */
-extern DECLSPEC SDL_bool SDLCALL SDL_EnclosePoints(const SDL_Point * points,
- int count,
- const SDL_Rect * clip,
- SDL_Rect * result);
-
-/**
- * \brief Calculate the intersection of a rectangle and line segment.
- *
- * \return SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
- */
-extern DECLSPEC SDL_bool SDLCALL SDL_IntersectRectAndLine(const SDL_Rect *
- rect, int *X1,
- int *Y1, int *X2,
- int *Y2);
-
-/* Ends C function definitions when using C++ */
-#ifdef __cplusplus
-}
-#endif
-#include "close_code.h"
-
-#endif /* SDL_rect_h_ */
-
-/* vi: set ts=4 sw=4 expandtab: */
projects / xonotic / xonotic.git / blobdiff