/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2010 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/

 /**
 *  \defgroup Compatibility SDL 1.2 Compatibility API
 */
/*@{*/

/**
 *  \file SDL_compat.h
 *
 *  This file contains functions for backwards compatibility with SDL 1.2.
 */

/**
 *  \def SDL_NO_COMPAT
 *
 *  #define SDL_NO_COMPAT to prevent SDL_compat.h from being included.
 *  SDL_NO_COMPAT is intended to make it easier to covert SDL 1.2 code to
 *  SDL 1.3/2.0.
 */

 /*@}*/

#ifdef SDL_NO_COMPAT
#define _SDL_compat_h
#endif

#ifndef _SDL_compat_h
#define _SDL_compat_h

#include "SDL_video.h"
#include "SDL_version.h"

#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
/* *INDENT-OFF* */
extern "C" {
/* *INDENT-ON* */
#endif

/**
 *  \addtogroup Compatibility
 */
/*@{*/

/**
 *  \name Surface flags
 */
/*@{*/
#define SDL_SWSURFACE       0x00000000  /**< \note Not used */
#define SDL_SRCALPHA        0x00010000
#define SDL_SRCCOLORKEY     0x00020000
#define SDL_ANYFORMAT       0x00100000
#define SDL_HWPALETTE       0x00200000
#define SDL_DOUBLEBUF       0x00400000
#define SDL_FULLSCREEN      0x00800000
#define SDL_RESIZABLE       0x01000000
#define SDL_NOFRAME         0x02000000
#define SDL_OPENGL          0x04000000
#define SDL_HWSURFACE       0x08000001  /**< \note Not used */
#define SDL_ASYNCBLIT       0x08000000  /**< \note Not used */
#define SDL_RLEACCELOK      0x08000000  /**< \note Not used */
#define SDL_HWACCEL         0x08000000  /**< \note Not used */
/*@}*//*Surface flags*/

#define SDL_APPMOUSEFOCUS	0x01
#define SDL_APPINPUTFOCUS	0x02
#define SDL_APPACTIVE		0x04

#define SDL_LOGPAL 0x01
#define SDL_PHYSPAL 0x02

#define SDL_ACTIVEEVENT	SDL_EVENT_RESERVED1
#define SDL_VIDEORESIZE	SDL_EVENT_RESERVED2
#define SDL_VIDEOEXPOSE	SDL_EVENT_RESERVED3
#define SDL_ACTIVEEVENTMASK	SDL_EVENTMASK(SDL_ACTIVEEVENT)
#define SDL_VIDEORESIZEMASK SDL_EVENTMASK(SDL_VIDEORESIZE)
#define SDL_VIDEOEXPOSEMASK SDL_EVENTMASK(SDL_VIDEOEXPOSE)

#define SDL_BUTTON_WHEELUP	4
#define SDL_BUTTON_WHEELDOWN	5

#define SDL_DEFAULT_REPEAT_DELAY	500
#define SDL_DEFAULT_REPEAT_INTERVAL	30

typedef struct SDL_VideoInfo
{
    Uint32 hw_available:1;
    Uint32 wm_available:1;
    Uint32 UnusedBits1:6;
    Uint32 UnusedBits2:1;
    Uint32 blit_hw:1;
    Uint32 blit_hw_CC:1;
    Uint32 blit_hw_A:1;
    Uint32 blit_sw:1;
    Uint32 blit_sw_CC:1;
    Uint32 blit_sw_A:1;
    Uint32 blit_fill:1;
    Uint32 UnusedBits3:16;
    Uint32 video_mem;

    SDL_PixelFormat *vfmt;

    int current_w;
    int current_h;
} SDL_VideoInfo;

/**
 *  \name Overlay formats
 *
 *  The most common video overlay formats.
 *  
 *  For an explanation of these pixel formats, see:
 *  http://www.webartz.com/fourcc/indexyuv.htm
 *  
 *  For information on the relationship between color spaces, see:
 *  http://www.neuro.sfc.keio.ac.jp/~aly/polygon/info/color-space-faq.html
 */
/*@{*/
#define SDL_YV12_OVERLAY  0x32315659    /**< Planar mode: Y + V + U  (3 planes) */
#define SDL_IYUV_OVERLAY  0x56555949    /**< Planar mode: Y + U + V  (3 planes) */
#define SDL_YUY2_OVERLAY  0x32595559    /**< Packed mode: Y0+U0+Y1+V0 (1 plane) */
#define SDL_UYVY_OVERLAY  0x59565955    /**< Packed mode: U0+Y0+V0+Y1 (1 plane) */
#define SDL_YVYU_OVERLAY  0x55595659    /**< Packed mode: Y0+V0+Y1+U0 (1 plane) */
/*@}*//*Overlay formats*/

/**
 *  The YUV hardware video overlay.
 */
typedef struct SDL_Overlay
{
    Uint32 format;              /**< Read-only */
    int w, h;                   /**< Read-only */
    int planes;                 /**< Read-only */
    Uint16 *pitches;            /**< Read-only */
    Uint8 **pixels;             /**< Read-write */

    /** 
     *  \name Hardware-specific surface info
     */
    /*@{*/
    struct private_yuvhwfuncs *hwfuncs;
    struct private_yuvhwdata *hwdata;
    /*@}*//*Hardware-specific surface info*/

    /** 
     *  \name Special flags
     */
    /*@{*/
    Uint32 hw_overlay:1;        /**< Flag: This overlay hardware accelerated? */
    Uint32 UnusedBits:31;
    /*@}*//*Special flags*/
} SDL_Overlay;

typedef enum
{
    SDL_GRAB_QUERY = -1,
    SDL_GRAB_OFF = 0,
    SDL_GRAB_ON = 1
} SDL_GrabMode;

struct SDL_SysWMinfo;

/**
 *  \name Obsolete or renamed key codes
 */
/*@{*/

/** 
 *  \name Renamed keys
 *
 *  These key constants were renamed for clarity or consistency. 
 */
/*@{*/
#define SDLK_KP0 SDLK_KP_0
#define SDLK_KP1 SDLK_KP_1
#define SDLK_KP2 SDLK_KP_2
#define SDLK_KP3 SDLK_KP_3
#define SDLK_KP4 SDLK_KP_4
#define SDLK_KP5 SDLK_KP_5
#define SDLK_KP6 SDLK_KP_6
#define SDLK_KP7 SDLK_KP_7
#define SDLK_KP8 SDLK_KP_8
#define SDLK_KP9 SDLK_KP_9
#define SDLK_NUMLOCK SDLK_NUMLOCKCLEAR
#define SDLK_SCROLLOCK SDLK_SCROLLLOCK
#define SDLK_PRINT SDLK_PRINTSCREEN
#define SDLK_LMETA SDLK_LGUI
#define SDLK_RMETA SDLK_RGUI
/*@}*//*Renamed keys*/

/**
 *  \name META modifier
 *  
 *  The META modifier is equivalent to the GUI modifier from the USB standard.
 */
/*@{*/
#define KMOD_LMETA KMOD_LGUI
#define KMOD_RMETA KMOD_RGUI
#define KMOD_META KMOD_GUI
/*@}*//*META modifier*/

/** 
 *  \name Not in USB
 *
 *  These keys don't appear in the USB specification (or at least not under 
 *  those names). I'm unsure if the following assignments make sense or if these
 *  codes should be defined as actual additional SDLK_ constants.
 */
/*@{*/
#define SDLK_LSUPER SDLK_LMETA
#define SDLK_RSUPER SDLK_RMETA
#define SDLK_COMPOSE SDLK_APPLICATION
#define SDLK_BREAK SDLK_STOP
#define SDLK_EURO SDLK_2
/*@}*//*Not in USB*/

/*@}*//*Obsolete or renamed key codes*/

#define SDL_SetModuleHandle(x)
#define SDL_AllocSurface    SDL_CreateRGBSurface

extern DECLSPEC const SDL_version *SDLCALL SDL_Linked_Version(void);
extern DECLSPEC char *SDLCALL SDL_AudioDriverName(char *namebuf, int maxlen);
extern DECLSPEC char *SDLCALL SDL_VideoDriverName(char *namebuf, int maxlen);
extern DECLSPEC const SDL_VideoInfo *SDLCALL SDL_GetVideoInfo(void);
extern DECLSPEC int SDLCALL SDL_VideoModeOK(int width,
                                            int height,
                                            int bpp, Uint32 flags);
extern DECLSPEC SDL_Rect **SDLCALL SDL_ListModes(const SDL_PixelFormat *
                                                 format, Uint32 flags);
extern DECLSPEC SDL_Surface *SDLCALL SDL_SetVideoMode(int width, int height,
                                                      int bpp, Uint32 flags);
extern DECLSPEC SDL_Surface *SDLCALL SDL_GetVideoSurface(void);
extern DECLSPEC void SDLCALL SDL_UpdateRects(SDL_Surface * screen,
                                             int numrects, SDL_Rect * rects);
extern DECLSPEC void SDLCALL SDL_UpdateRect(SDL_Surface * screen,
                                            Sint32 x,
                                            Sint32 y, Uint32 w, Uint32 h);
extern DECLSPEC int SDLCALL SDL_Flip(SDL_Surface * screen);
extern DECLSPEC int SDLCALL SDL_SetAlpha(SDL_Surface * surface,
                                         Uint32 flag, Uint8 alpha);
extern DECLSPEC SDL_Surface *SDLCALL SDL_DisplayFormat(SDL_Surface * surface);
extern DECLSPEC SDL_Surface *SDLCALL SDL_DisplayFormatAlpha(SDL_Surface *
                                                            surface);
extern DECLSPEC void SDLCALL SDL_WM_SetCaption(const char *title,
                                               const char *icon);
extern DECLSPEC void SDLCALL SDL_WM_GetCaption(const char **title,
                                               const char **icon);
extern DECLSPEC void SDLCALL SDL_WM_SetIcon(SDL_Surface * icon, Uint8 * mask);
extern DECLSPEC int SDLCALL SDL_WM_IconifyWindow(void);
extern DECLSPEC int SDLCALL SDL_WM_ToggleFullScreen(SDL_Surface * surface);
extern DECLSPEC SDL_GrabMode SDLCALL SDL_WM_GrabInput(SDL_GrabMode mode);
extern DECLSPEC int SDLCALL SDL_SetPalette(SDL_Surface * surface,
                                           int flags,
                                           const SDL_Color * colors,
                                           int firstcolor, int ncolors);
extern DECLSPEC int SDLCALL SDL_SetColors(SDL_Surface * surface,
                                          const SDL_Color * colors,
                                          int firstcolor, int ncolors);
extern DECLSPEC int SDLCALL SDL_GetWMInfo(struct SDL_SysWMinfo *info);
extern DECLSPEC Uint8 SDLCALL SDL_GetAppState(void);
extern DECLSPEC void SDLCALL SDL_WarpMouse(Uint16 x, Uint16 y);
extern DECLSPEC SDL_Overlay *SDLCALL SDL_CreateYUVOverlay(int width,
                                                          int height,
                                                          Uint32 format,
                                                          SDL_Surface *
                                                          display);
extern DECLSPEC int SDLCALL SDL_LockYUVOverlay(SDL_Overlay * overlay);
extern DECLSPEC void SDLCALL SDL_UnlockYUVOverlay(SDL_Overlay * overlay);
extern DECLSPEC int SDLCALL SDL_DisplayYUVOverlay(SDL_Overlay * overlay,
                                                  SDL_Rect * dstrect);
extern DECLSPEC void SDLCALL SDL_FreeYUVOverlay(SDL_Overlay * overlay);
extern DECLSPEC void SDLCALL SDL_GL_SwapBuffers(void);
extern DECLSPEC int SDLCALL SDL_EnableKeyRepeat(int delay, int interval);
extern DECLSPEC void SDLCALL SDL_GetKeyRepeat(int *delay, int *interval);
extern DECLSPEC int SDLCALL SDL_EnableUNICODE(int enable);

#define SDL_TextureID SDL_Texture*
#define SDL_WindowID SDL_Window*
#define SDL_RenderPoint SDL_RenderDrawPoint
#define SDL_RenderLine SDL_RenderDrawLine
#define SDL_RenderFill(X)  (X) ? SDL_RenderFillRect(X) : SDL_RenderClear()

extern DECLSPEC int SDLCALL SDL_putenv(const char *variable);

/*@}*//*Compatibility*/

/* Ends C function definitions when using C++ */
#ifdef __cplusplus
/* *INDENT-OFF* */
}
/* *INDENT-ON* */
#endif
#include "close_code.h"

#endif /* _SDL_compat_h */

/* vi: set ts=4 sw=4 expandtab: */