include/SDL_surface.h
author Sam Lantinga <slouken@libsdl.org>
Fri, 18 Dec 2009 07:03:09 +0000
changeset 3593 b931bcfd94a0
parent 3560 5543db4239e6
child 3596 f638ded38b8a
permissions -rw-r--r--
In the process of adding rectangle drawing
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
2859
99210400e8b9 Updated copyright date
Sam Lantinga <slouken@libsdl.org>
parents: 2828
diff changeset
     3
    Copyright (C) 1997-2009 Sam Lantinga
2275
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
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    24
 *  \file SDL_surface.h
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    25
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    26
 *  Header file for ::SDL_surface definition and management functions.
2275
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_surface_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_surface_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_pixels.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_rect.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
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    45
/**
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    46
 *  \name Surface flags
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    47
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    48
 *  These are the currently supported flags for the ::SDL_surface.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    49
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    50
 *  \internal
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    51
 *  Used internally (read-only).
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
    52
 */
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
    53
/*@{*/
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
    54
#define SDL_PREALLOC        0x00000001  /**< Surface uses preallocated memory */
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
    55
#define SDL_RLEACCEL        0x00000002  /**< Surface is RLE encoded */
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    56
/*@}*//*Surface flags*/
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    57
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    58
/**
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    59
 *  Evaluates to true if the surface needs to be locked before access.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    60
 */
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    61
#define SDL_MUSTLOCK(S)	(((S)->flags & SDL_RLEACCEL) != 0)
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
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    64
 * \brief A collection of pixels used in software blitting.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    65
 *
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    66
 * \note  This structure should be treated as read-only, except for \c pixels,
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    67
 *        which, if not NULL, contains the raw pixel data for the surface.
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
typedef struct SDL_Surface
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    70
{
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    71
    Uint32 flags;               /**< Read-only */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    72
    SDL_PixelFormat *format;    /**< Read-only */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    73
    int w, h;                   /**< Read-only */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    74
    int pitch;                  /**< Read-only */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    75
    void *pixels;               /**< Read-write */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    76
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    77
    /** Application data associated with the surfade */
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    78
    void *userdata;             /**< Read-write */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    79
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    80
    /** information needed for surfaces requiring locks */
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    81
    int locked;                 /**< Read-only */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    82
    void *lock_data;            /**< Read-only */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    83
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    84
    /** clipping information */
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    85
    SDL_Rect clip_rect;         /**< Read-only */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    86
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    87
    /** info for fast blit mapping to other surfaces */
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    88
    struct SDL_BlitMap *map;    /**< Private */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    89
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    90
    /** format version, bumped at every change to invalidate blit maps */
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    91
    unsigned int format_version;        /**< Private */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    92
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    93
    /** Reference count -- used when freeing surface */
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    94
    int refcount;               /**< Read-mostly */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    95
} SDL_Surface;
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    96
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    97
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
    98
 * \brief The type of function used for surface blitting functions.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    99
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   100
typedef int (*SDL_blit) (struct SDL_Surface * src, SDL_Rect * srcrect,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   101
                         struct SDL_Surface * dst, SDL_Rect * dstrect);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   102
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   103
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   104
 *  Allocate and free an RGB surface (must be called after SDL_SetVideoMode).
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   105
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   106
 *  If the depth is 4 or 8 bits, an empty palette is allocated for the surface.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   107
 *  If the depth is greater than 8 bits, the pixel format is set using the
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   108
 *  flags '[RGB]mask'.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   109
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   110
 *  If the function runs out of memory, it will return NULL.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   111
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   112
 *  \param flags The \c flags are obsolete and should be set to 0.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   113
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   114
extern DECLSPEC SDL_Surface *SDLCALL SDL_CreateRGBSurface
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   115
    (Uint32 flags, int width, int height, int depth,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   116
     Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   117
extern DECLSPEC SDL_Surface *SDLCALL SDL_CreateRGBSurfaceFrom(void *pixels,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   118
                                                              int width,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   119
                                                              int height,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   120
                                                              int depth,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   121
                                                              int pitch,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   122
                                                              Uint32 Rmask,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   123
                                                              Uint32 Gmask,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   124
                                                              Uint32 Bmask,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   125
                                                              Uint32 Amask);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   126
extern DECLSPEC void SDLCALL SDL_FreeSurface(SDL_Surface * surface);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   127
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   128
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   129
 *  \brief Set the palette used by a surface.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   130
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   131
 *  \return 0, or -1 if the surface format doesn't use a palette.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   132
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   133
 *  \note A single palette can be shared with many surfaces.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   134
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   135
extern DECLSPEC int SDLCALL SDL_SetSurfacePalette(SDL_Surface * surface,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   136
                                                  SDL_Palette * palette);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   137
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   138
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   139
 *  \brief Sets up a surface for directly accessing the pixels.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   140
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   141
 *  Between calls to SDL_LockSurface() / SDL_UnlockSurface(), you can write
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   142
 *  to and read from \c surface->pixels, using the pixel format stored in 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   143
 *  \c surface->format.  Once you are done accessing the surface, you should 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   144
 *  use SDL_UnlockSurface() to release it.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   145
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   146
 *  Not all surfaces require locking.  If SDL_MUSTLOCK(surface) evaluates
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   147
 *  to 0, then you can read and write to the surface at any time, and the
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   148
 *  pixel format of the surface will not change.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   149
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   150
 *  No operating system or library calls should be made between lock/unlock
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   151
 *  pairs, as critical system locks may be held during this time.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   152
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   153
 *  SDL_LockSurface() returns 0, or -1 if the surface couldn't be locked.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   154
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   155
 *  \sa SDL_UnlockSurface()
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   156
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   157
extern DECLSPEC int SDLCALL SDL_LockSurface(SDL_Surface * surface);
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   158
/** \sa SDL_LockSurface() */
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   159
extern DECLSPEC void SDLCALL SDL_UnlockSurface(SDL_Surface * surface);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   160
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   161
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   162
 *  Load a surface from a seekable SDL data source (memory or file).
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   163
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   164
 *  If \c freesrc is non-zero, the source will be closed after being read.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   165
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   166
 *  The new surface should be freed with SDL_FreeSurface().
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   167
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   168
 *  \return the new surface, or NULL if there was an error.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   169
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   170
extern DECLSPEC SDL_Surface *SDLCALL SDL_LoadBMP_RW(SDL_RWops * src,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   171
                                                    int freesrc);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   172
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   173
/**
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   174
 *  Load a surface from a file.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   175
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   176
 *  Convenience macro.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   177
 */
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   178
#define SDL_LoadBMP(file)	SDL_LoadBMP_RW(SDL_RWFromFile(file, "rb"), 1)
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   179
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   180
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   181
 *  Save a surface to a seekable SDL data source (memory or file).
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   182
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   183
 *  If \c freedst is non-zero, the source will be closed after being written.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   184
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   185
 *  \return 0 if successful or -1 if there was an error.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   186
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   187
extern DECLSPEC int SDLCALL SDL_SaveBMP_RW
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   188
    (SDL_Surface * surface, SDL_RWops * dst, int freedst);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   189
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   190
/** 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   191
 *  Save a surface to a file.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   192
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   193
 *  Convenience macro.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   194
 */
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   195
#define SDL_SaveBMP(surface, file) \
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   196
		SDL_SaveBMP_RW(surface, SDL_RWFromFile(file, "wb"), 1)
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   197
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   198
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   199
 *  \brief Sets the RLE acceleration hint for a surface.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   200
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   201
 *  \return 0 on success, or -1 if the surface is not valid
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   202
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   203
 *  \note If RLE is enabled, colorkey and alpha blending blits are much faster,
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   204
 *        but the surface must be locked before directly accessing the pixels.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   205
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   206
extern DECLSPEC int SDLCALL SDL_SetSurfaceRLE(SDL_Surface * surface,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   207
                                              int flag);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   208
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   209
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   210
 *  \brief Sets the color key (transparent pixel) in a blittable surface.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   211
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   212
 *  \param surface The surface to update
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   213
 *  \param flag Non-zero to enable colorkey and 0 to disable colorkey 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   214
 *  \param key The transparent pixel in the native surface format
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   215
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   216
 *  \return 0 on success, or -1 if the surface is not valid
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   217
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   218
extern DECLSPEC int SDLCALL SDL_SetColorKey(SDL_Surface * surface,
3560
5543db4239e6 The SDL 1.3 tests have been cleaned up not to include any 1.2 compatibility code.
Sam Lantinga <slouken@libsdl.org>
parents: 3550
diff changeset
   219
                                            int flag, Uint32 key);
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   220
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   221
/**
3550
6b69c5def097 Minor documentation fix
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   222
 *  \brief Gets the color key (transparent pixel) in a blittable surface.
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   223
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   224
 *  \param surface The surface to update
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   225
 *  \param key A pointer filled in with the transparent pixel in the native 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   226
 *             surface format
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   227
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   228
 *  \return 0 on success, or -1 if the surface is not valid or colorkey is not 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   229
 *          enabled.
3103
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3026
diff changeset
   230
 */
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3026
diff changeset
   231
extern DECLSPEC int SDLCALL SDL_GetColorKey(SDL_Surface * surface,
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3026
diff changeset
   232
                                            Uint32 * key);
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3026
diff changeset
   233
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   234
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   235
 *  \brief Set an additional color value used in blit operations.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   236
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   237
 *  \param surface The surface to update.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   238
 *  \param r The red source color value multiplied into blit operations.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   239
 *  \param g The green source color value multiplied into blit operations.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   240
 *  \param b The blue source color value multiplied into blit operations.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   241
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   242
 *  \return 0 on success, or -1 if the surface is not valid.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   243
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   244
 *  \sa SDL_GetSurfaceColorMod()
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   245
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   246
extern DECLSPEC int SDLCALL SDL_SetSurfaceColorMod(SDL_Surface * surface,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   247
                                                   Uint8 r, Uint8 g, Uint8 b);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   248
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   249
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   250
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   251
 *  \brief Get the additional color value used in blit operations.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   252
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   253
 *  \param surface The surface to query.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   254
 *  \param r A pointer filled in with the source red color value.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   255
 *  \param g A pointer filled in with the source green color value.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   256
 *  \param b A pointer filled in with the source blue color value.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   257
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   258
 *  \return 0 on success, or -1 if the surface is not valid.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   259
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   260
 *  \sa SDL_SetSurfaceColorMod()
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   261
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   262
extern DECLSPEC int SDLCALL SDL_GetSurfaceColorMod(SDL_Surface * surface,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   263
                                                   Uint8 * r, Uint8 * g,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   264
                                                   Uint8 * b);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   265
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   266
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   267
 *  \brief Set an additional alpha value used in blit operations.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   268
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   269
 *  \param surface The surface to update.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   270
 *  \param alpha The source alpha value multiplied into blit operations.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   271
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   272
 *  \return 0 on success, or -1 if the surface is not valid.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   273
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   274
 *  \sa SDL_GetSurfaceAlphaMod()
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   275
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   276
extern DECLSPEC int SDLCALL SDL_SetSurfaceAlphaMod(SDL_Surface * surface,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   277
                                                   Uint8 alpha);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   278
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   279
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   280
 *  \brief Get the additional alpha value used in blit operations.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   281
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   282
 *  \param surface The surface to query.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   283
 *  \param alpha A pointer filled in with the source alpha value.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   284
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   285
 *  \return 0 on success, or -1 if the surface is not valid.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   286
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   287
 *  \sa SDL_SetSurfaceAlphaMod()
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   288
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   289
extern DECLSPEC int SDLCALL SDL_GetSurfaceAlphaMod(SDL_Surface * surface,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   290
                                                   Uint8 * alpha);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   291
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   292
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   293
 *  \brief Set the blend mode used for blit operations.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   294
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   295
 *  \param surface The surface to update.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   296
 *  \param blendMode ::SDL_BlendMode to use for blit blending.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   297
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   298
 *  \return 0 on success, or -1 if the parameters are not valid.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   299
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   300
 *  \sa SDL_GetSurfaceBlendMode()
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   301
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   302
extern DECLSPEC int SDLCALL SDL_SetSurfaceBlendMode(SDL_Surface * surface,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   303
                                                    int blendMode);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   304
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   305
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   306
 *  \brief Get the blend mode used for blit operations.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   307
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   308
 *  \param surface   The surface to query.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   309
 *  \param blendMode A pointer filled in with the current blend mode.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   310
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   311
 *  \return 0 on success, or -1 if the surface is not valid.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   312
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   313
 *  \sa SDL_SetSurfaceBlendMode()
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   314
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   315
extern DECLSPEC int SDLCALL SDL_GetSurfaceBlendMode(SDL_Surface * surface,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   316
                                                    int *blendMode);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   317
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   318
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   319
 *  \brief Set the scale mode used for blit operations.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   320
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   321
 *  \param surface   The surface to update.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   322
 *  \param scaleMode ::SDL_TextureScaleMode to use for blit scaling.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   323
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   324
 *  \return 0 on success, or -1 if the surface is not valid or the scale mode is
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   325
 *          not supported.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   326
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   327
 *  \note If the scale mode is not supported, the closest supported mode is 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   328
 *        chosen.  Currently only ::SDL_TEXTURESCALEMODE_FAST is supported on 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   329
 *        surfaces.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   330
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   331
 *  \sa SDL_GetSurfaceScaleMode()
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   332
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   333
extern DECLSPEC int SDLCALL SDL_SetSurfaceScaleMode(SDL_Surface * surface,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   334
                                                    int scaleMode);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   335
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   336
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   337
 *  \brief Get the scale mode used for blit operations.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   338
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   339
 *  \param surface   The surface to query.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   340
 *  \param scaleMode A pointer filled in with the current scale mode.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   341
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   342
 *  \return 0 on success, or -1 if the surface is not valid.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   343
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   344
 *  \sa SDL_SetSurfaceScaleMode()
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   345
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   346
extern DECLSPEC int SDLCALL SDL_GetSurfaceScaleMode(SDL_Surface * surface,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   347
                                                    int *scaleMode);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   348
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   349
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   350
 *  Sets the clipping rectangle for the destination surface in a blit.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   351
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   352
 *  If the clip rectangle is NULL, clipping will be disabled.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   353
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   354
 *  If the clip rectangle doesn't intersect the surface, the function will
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   355
 *  return SDL_FALSE and blits will be completely clipped.  Otherwise the
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   356
 *  function returns SDL_TRUE and blits to the surface will be clipped to
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   357
 *  the intersection of the surface area and the clipping rectangle.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   358
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   359
 *  Note that blits are automatically clipped to the edges of the source
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   360
 *  and destination surfaces.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   361
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   362
extern DECLSPEC SDL_bool SDLCALL SDL_SetClipRect(SDL_Surface * surface,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   363
                                                 const SDL_Rect * rect);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   364
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   365
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   366
 *  Gets the clipping rectangle for the destination surface in a blit.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   367
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   368
 *  \c rect must be a pointer to a valid rectangle which will be filled
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   369
 *  with the correct values.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   370
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   371
extern DECLSPEC void SDLCALL SDL_GetClipRect(SDL_Surface * surface,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   372
                                             SDL_Rect * rect);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   373
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   374
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   375
 *  Creates a new surface of the specified format, and then copies and maps 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   376
 *  the given surface to it so the blit of the converted surface will be as 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   377
 *  fast as possible.  If this function fails, it returns NULL.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   378
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   379
 *  The \c flags parameter is passed to SDL_CreateRGBSurface() and has those 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   380
 *  semantics.  You can also pass ::SDL_RLEACCEL in the flags parameter and
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   381
 *  SDL will try to RLE accelerate colorkey and alpha blits in the resulting
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   382
 *  surface.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   383
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   384
 *  This function is used internally by SDL_DisplayFormat().
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   385
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   386
extern DECLSPEC SDL_Surface *SDLCALL SDL_ConvertSurface
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   387
    (SDL_Surface * src, SDL_PixelFormat * fmt, Uint32 flags);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   388
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   389
/**
3434
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3407
diff changeset
   390
 * \brief Copy a block of pixels of one format to another format
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3407
diff changeset
   391
 */
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3407
diff changeset
   392
extern DECLSPEC int SDLCALL SDL_ConvertPixels(int width, int height,
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3407
diff changeset
   393
                                              Uint32 src_format,
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3407
diff changeset
   394
                                              const void * src, int src_pitch,
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3407
diff changeset
   395
                                              Uint32 dst_format,
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3407
diff changeset
   396
                                              void * dst, int dst_pitch);
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3407
diff changeset
   397
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3407
diff changeset
   398
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   399
 *  Draws a point with \c color.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   400
 *
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   401
 *  The color should be a pixel of the format used by the surface, and 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   402
 *  can be generated by the SDL_MapRGB() function.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   403
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   404
 *  \return 0 on success, or -1 on error.
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2888
diff changeset
   405
 */
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2888
diff changeset
   406
extern DECLSPEC int SDLCALL SDL_DrawPoint
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2888
diff changeset
   407
    (SDL_Surface * dst, int x, int y, Uint32 color);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   408
extern DECLSPEC int SDLCALL SDL_DrawPoints
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   409
    (SDL_Surface * dst, const SDL_Point * points, int count, Uint32 color);
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2888
diff changeset
   410
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   411
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   412
 *  Blends a point with an RGBA value.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   413
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   414
 *  The color should be a pixel of the format used by the surface, and 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   415
 *  can be generated by the SDL_MapRGB() function.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   416
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   417
 *  \return 0 on success, or -1 on error.
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2888
diff changeset
   418
 */
3593
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   419
extern DECLSPEC int SDLCALL SDL_BlendDrawPoint
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   420
    (SDL_Surface * dst, int x, int y,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   421
     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   422
extern DECLSPEC int SDLCALL SDL_BlendPoints
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   423
    (SDL_Surface * dst, const SDL_Point * points, int count,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   424
     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2888
diff changeset
   425
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   426
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   427
 *  Draws a line with \c color.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   428
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   429
 *  The color should be a pixel of the format used by the surface, and 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   430
 *  can be generated by the SDL_MapRGB() function.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   431
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   432
 *  \return 0 on success, or -1 on error.
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   433
 */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   434
extern DECLSPEC int SDLCALL SDL_DrawLine
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   435
    (SDL_Surface * dst, int x1, int y1, int x2, int y2, Uint32 color);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   436
extern DECLSPEC int SDLCALL SDL_DrawLines
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   437
    (SDL_Surface * dst, const SDL_Point * points, int count, Uint32 color);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   438
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   439
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   440
 *  Blends an RGBA value along a line.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   441
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   442
 *  \return 0 on success, or -1 on error.
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   443
 */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   444
extern DECLSPEC int SDLCALL SDL_BlendLine
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   445
    (SDL_Surface * dst, int x1, int y1, int x2, int y2,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   446
     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   447
extern DECLSPEC int SDLCALL SDL_BlendLines
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   448
    (SDL_Surface * dst, const SDL_Point * points, int count,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   449
     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   450
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   451
/**
3593
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   452
 *  Draws the given rectangle with \c color.
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   453
 *  
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   454
 *  If \c rect is NULL, the whole surface will be outlined with \c color.
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   455
 *  
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   456
 *  The color should be a pixel of the format used by the surface, and 
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   457
 *  can be generated by the SDL_MapRGB() function.
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   458
 *  
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   459
 *  \return 0 on success, or -1 on error.
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   460
 */
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   461
extern DECLSPEC int SDLCALL SDL_DrawRect
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   462
    (SDL_Surface * dst, const SDL_Rect * rect, Uint32 color);
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   463
extern DECLSPEC int SDLCALL SDL_DrawRects
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   464
    (SDL_Surface * dst, const SDL_Rect ** rects, int count, Uint32 color);
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   465
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   466
/**
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   467
 *  Blends the given rectangle with \c color.
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   468
 *  
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   469
 *  If \c rect is NULL, the whole surface will have a blended outline of \c color.
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   470
 *  
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   471
 *  \return 0 on success, or -1 on error.
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   472
 */
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   473
extern DECLSPEC int SDLCALL SDL_BlendRect
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   474
    (SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   475
     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   476
extern DECLSPEC int SDLCALL SDL_BlendRects
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   477
    (SDL_Surface * dst, const SDL_Rect ** rects, int count,
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   478
     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   479
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   480
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   481
 *  Performs a fast fill of the given rectangle with \c color.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   482
 *  
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   483
 *  If \c rect is NULL, the whole surface will be filled with \c color.
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   484
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   485
 *  The color should be a pixel of the format used by the surface, and 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   486
 *  can be generated by the SDL_MapRGB() function.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   487
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   488
 *  \return 0 on success, or -1 on error.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   489
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   490
extern DECLSPEC int SDLCALL SDL_FillRect
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   491
    (SDL_Surface * dst, const SDL_Rect * rect, Uint32 color);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   492
extern DECLSPEC int SDLCALL SDL_FillRects
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   493
    (SDL_Surface * dst, const SDL_Rect ** rects, int count, Uint32 color);
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   494
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   495
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   496
 *  Blends an RGBA value into the given rectangle.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   497
 *  
3593
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   498
 *  If \c rect is NULL, the whole surface will be blended with \c color.
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   499
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   500
 *  \return This function returns 0 on success, or -1 on error.
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   501
 */
3593
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   502
extern DECLSPEC int SDLCALL SDL_BlendFillRect
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   503
    (SDL_Surface * dst, const SDL_Rect * rect,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   504
     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
3593
b931bcfd94a0 In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
   505
extern DECLSPEC int SDLCALL SDL_BlendFillRects
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   506
    (SDL_Surface * dst, const SDL_Rect ** rects, int count,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
   507
     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   508
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   509
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   510
 *  Performs a fast blit from the source surface to the destination surface.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   511
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   512
 *  This assumes that the source and destination rectangles are
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   513
 *  the same size.  If either \c srcrect or \c dstrect are NULL, the entire
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   514
 *  surface (\c src or \c dst) is copied.  The final blit rectangles are saved
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   515
 *  in \c srcrect and \c dstrect after all clipping is performed.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   516
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   517
 *  \return If the blit is successful, it returns 0, otherwise it returns -1.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   518
 *
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   519
 *  The blit function should not be called on a locked surface.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   520
 *
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   521
 *  The blit semantics for surfaces with and without alpha and colorkey
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   522
 *  are defined as follows:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   523
 *  \verbatim
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   524
    RGBA->RGB:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   525
      SDL_SRCALPHA set:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   526
        alpha-blend (using alpha-channel).
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   527
        SDL_SRCCOLORKEY ignored.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   528
      SDL_SRCALPHA not set:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   529
        copy RGB.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   530
        if SDL_SRCCOLORKEY set, only copy the pixels matching the
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   531
        RGB values of the source colour key, ignoring alpha in the
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   532
        comparison.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   533
   
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   534
    RGB->RGBA:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   535
      SDL_SRCALPHA set:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   536
        alpha-blend (using the source per-surface alpha value);
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   537
        set destination alpha to opaque.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   538
      SDL_SRCALPHA not set:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   539
        copy RGB, set destination alpha to source per-surface alpha value.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   540
      both:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   541
        if SDL_SRCCOLORKEY set, only copy the pixels matching the
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   542
        source colour key.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   543
   
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   544
    RGBA->RGBA:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   545
      SDL_SRCALPHA set:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   546
        alpha-blend (using the source alpha channel) the RGB values;
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   547
        leave destination alpha untouched. [Note: is this correct?]
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   548
        SDL_SRCCOLORKEY ignored.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   549
      SDL_SRCALPHA not set:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   550
        copy all of RGBA to the destination.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   551
        if SDL_SRCCOLORKEY set, only copy the pixels matching the
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   552
        RGB values of the source colour key, ignoring alpha in the
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   553
       comparison.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   554
   
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   555
    RGB->RGB: 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   556
      SDL_SRCALPHA set:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   557
        alpha-blend (using the source per-surface alpha value).
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   558
      SDL_SRCALPHA not set:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   559
        copy RGB.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   560
      both:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   561
        if SDL_SRCCOLORKEY set, only copy the pixels matching the
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   562
        source colour key.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   563
    \endverbatim
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   564
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   565
 *  If either of the surfaces were in video memory, and the blit returns -2,
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   566
 *  the video memory was lost, so it should be reloaded with artwork and 
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   567
 *  re-blitted:
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   568
 *  @code
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   569
 *  while ( SDL_BlitSurface(image, imgrect, screen, dstrect) == -2 ) {
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   570
 *      while ( SDL_LockSurface(image) < 0 )
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   571
 *          Sleep(10);
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   572
 *      -- Write image pixels to image->pixels --
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   573
 *      SDL_UnlockSurface(image);
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   574
 *  }
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   575
 *  @endcode
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   576
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   577
 *  This happens under DirectX 5.0 when the system switches away from your
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   578
 *  fullscreen application.  The lock will also fail until you have access
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   579
 *  to the video memory again.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   580
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   581
 *  You should call SDL_BlitSurface() unless you know exactly how SDL
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   582
 *  blitting works internally and how to use the other blit functions.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   583
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   584
#define SDL_BlitSurface SDL_UpperBlit
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   585
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   586
/**
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   587
 *  This is the public blit function, SDL_BlitSurface(), and it performs
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   588
 *  rectangle validation and clipping before passing it to SDL_LowerBlit()
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   589
 */
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   590
extern DECLSPEC int SDLCALL SDL_UpperBlit
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   591
    (SDL_Surface * src, SDL_Rect * srcrect,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   592
     SDL_Surface * dst, SDL_Rect * dstrect);
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   593
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   594
/**
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   595
 *  This is a semi-private blit function and it performs low-level surface
3341
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   596
 *  blitting only.
710139a1692d Fixed bug #826
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
   597
 */
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   598
extern DECLSPEC int SDLCALL SDL_LowerBlit
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   599
    (SDL_Surface * src, SDL_Rect * srcrect,
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   600
     SDL_Surface * dst, SDL_Rect * dstrect);
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   601
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   602
/**
3407
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   603
 *  \brief Perform a fast, low quality, stretch blit between two surfaces of the
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   604
 *         same pixel format.
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   605
 *  
d3baf5ac4e37 Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents: 3341
diff changeset
   606
 *  \note This function uses a static buffer, and is not thread-safe.
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   607
 */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   608
extern DECLSPEC int SDLCALL SDL_SoftStretch(SDL_Surface * src,
2828
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
   609
                                            const SDL_Rect * srcrect,
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   610
                                            SDL_Surface * dst,
2828
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
   611
                                            const SDL_Rect * dstrect);
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   612
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   613
/* 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
   614
#ifdef __cplusplus
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   615
/* *INDENT-OFF* */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   616
}
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   617
/* *INDENT-ON* */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   618
#endif
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   619
#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
   620
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   621
#endif /* _SDL_surface_h */
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   622
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   623
/* vi: set ts=4 sw=4 expandtab: */