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authorNikolas <nikolas@boutalas.com>2024-10-27 12:52:55 +0200
committerNikolas <nikolas@boutalas.com>2024-10-27 12:52:55 +0200
commit43394c8a8908442982e3a7e25975c31b3c952923 (patch)
tree2facd563e29f48fe3b0653ac5c113998940b4d5e /3rdparty/include/SDL2/SDL_rect.h
Diffstat (limited to '3rdparty/include/SDL2/SDL_rect.h')
-rw-r--r--3rdparty/include/SDL2/SDL_rect.h174
1 files changed, 174 insertions, 0 deletions
diff --git a/3rdparty/include/SDL2/SDL_rect.h b/3rdparty/include/SDL2/SDL_rect.h
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+++ b/3rdparty/include/SDL2/SDL_rect.h
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+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2020 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: */