include/SDL_rect.h
author Edgar Simo <bobbens@gmail.com>
Tue, 26 Aug 2008 11:50:37 +0000
changeset 2733 264037dd3c7a
parent 2275 12ea0fdc0df2
child 2859 99210400e8b9
permissions -rw-r--r--
Fix for mingw compilation by Alam.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     1
/*
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     2
    SDL - Simple DirectMedia Layer
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     3
    Copyright (C) 1997-2006 Sam Lantinga
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     4
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     5
    This library is free software; you can redistribute it and/or
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     6
    modify it under the terms of the GNU Lesser General Public
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     7
    License as published by the Free Software Foundation; either
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     8
    version 2.1 of the License, or (at your option) any later version.
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     9
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    10
    This library is distributed in the hope that it will be useful,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    11
    but WITHOUT ANY WARRANTY; without even the implied warranty of
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    12
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    13
    Lesser General Public License for more details.
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    14
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    15
    You should have received a copy of the GNU Lesser General Public
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    16
    License along with this library; if not, write to the Free Software
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    17
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    18
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    19
    Sam Lantinga
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    20
    slouken@libsdl.org
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    21
*/
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    22
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    23
/**
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    24
 * \file SDL_rect.h
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    25
 *
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    26
 * Header file for SDL_rect definition and management functions
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    27
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    28
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    29
#ifndef _SDL_rect_h
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    30
#define _SDL_rect_h
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    31
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    32
#include "SDL_stdinc.h"
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    33
#include "SDL_error.h"
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    34
#include "SDL_pixels.h"
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    35
#include "SDL_rwops.h"
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    36
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    37
#include "begin_code.h"
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    38
/* Set up for C function definitions, even when using C++ */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    39
#ifdef __cplusplus
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    40
/* *INDENT-OFF* */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    41
extern "C" {
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    42
/* *INDENT-ON* */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    43
#endif
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    44
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    45
/**
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    46
 * \struct SDL_Rect
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    47
 *
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    48
 * \brief A rectangle, with the origin at the upper left.
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    49
 *
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    50
 * \sa SDL_RectEmpty
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    51
 * \sa SDL_RectEquals
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    52
 * \sa SDL_HasIntersection
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    53
 * \sa SDL_IntersectRect
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    54
 * \sa SDL_UnionRect
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    55
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    56
typedef struct SDL_Rect
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    57
{
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    58
    int x, y;
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    59
    int w, h;
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    60
} SDL_Rect;
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    61
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    62
/**
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    63
 * \def SDL_RectEmpty()
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    64
 *
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    65
 * \brief Returns true if the rectangle has no area.
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    66
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    67
#define SDL_RectEmpty(X)    (((X)->w <= 0) || ((X)->h <= 0))
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    68
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    69
/**
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    70
 * \def SDL_RectEquals()
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    71
 *
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    72
 * \brief Returns true if the two rectangles are equal.
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    73
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    74
#define SDL_RectEquals(A, B)   (((A)->x == (B)->x) && ((A)->y == (B)->y) && \
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    75
                                ((A)->w == (B)->w) && ((A)->h == (B)->h))
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    76
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    77
/**
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    78
 * \fn SDL_bool SDL_HasIntersection(const SDL_Rect * A, const SDL_Rect * B);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    79
 *
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    80
 * \brief Determine whether two rectangles intersect.
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    81
 *
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    82
 * \return SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    83
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    84
extern DECLSPEC SDL_bool SDLCALL SDL_HasIntersection(const SDL_Rect * A,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    85
                                                     const SDL_Rect * B);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    86
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    87
/**
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    88
 * \fn SDL_bool SDL_IntersectRect(const SDL_Rect * A, const SDL_Rect * B, SDL_Rect * result)
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    89
 *
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    90
 * \brief Calculate the intersection of two rectangles.
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    91
 *
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    92
 * \return SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    93
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    94
extern DECLSPEC SDL_bool SDLCALL SDL_IntersectRect(const SDL_Rect * A,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    95
                                                   const SDL_Rect * B,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    96
                                                   SDL_Rect * result);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    97
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    98
/**
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    99
 * \fn void SDL_UnionRect(const SDL_Rect * A, const SDL_Rect * B, SDL_Rect * result)
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   100
 *
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   101
 * \brief Calculate the union of two rectangles
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   102
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   103
extern DECLSPEC void SDLCALL SDL_UnionRect(const SDL_Rect * A,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   104
                                           const SDL_Rect * B,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   105
                                           SDL_Rect * result);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   106
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   107
/* Ends C function definitions when using C++ */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   108
#ifdef __cplusplus
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   109
/* *INDENT-OFF* */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   110
}
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   111
/* *INDENT-ON* */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   112
#endif
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   113
#include "close_code.h"
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   114
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   115
#endif /* _SDL_rect_h */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   116
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   117
/* vi: set ts=4 sw=4 expandtab: */