/*+
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    SDL - Simple DirectMedia Layer+
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    Copyright (C) 1997-2009 Sam Lantinga+
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+
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    This library is free software; you can redistribute it and/or+
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    modify it under the terms of the GNU Lesser General Public+
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    License as published by the Free Software Foundation; either+
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    version 2.1 of the License, or (at your option) any later version.+
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+
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    This library is distributed in the hope that it will be useful,+
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    but WITHOUT ANY WARRANTY; without even the implied warranty of+
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU+
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    Lesser General Public License for more details.+
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+
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    You should have received a copy of the GNU Lesser General Public+
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    License along with this library; if not, write to the Free Software+
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA+
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+
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    Sam Lantinga+
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    slouken@libsdl.org+
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*/+
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#include "SDL_config.h"+
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+
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#ifndef _SDL_gapivideo_h+
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#define _SDL_gapivideo_h+
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+
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#include "SDL_mouse.h"+
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#include "SDL_mutex.h"+
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#include "../SDL_sysvideo.h"+
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+
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/* From gx.h, since it's not really C compliant */+
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+
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struct GXDisplayProperties+
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{+
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    DWORD cxWidth;+
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    DWORD cyHeight;             // notice lack of 'th' in the word height.+
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    long cbxPitch;              // number of bytes to move right one x pixel - can be negative.+
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    long cbyPitch;              // number of bytes to move down one y pixel - can be negative.+
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    long cBPP;                  // # of bits in each pixel+
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    DWORD ffFormat;             // format flags.+
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};+
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+
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struct GXKeyList+
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{+
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    short vkUp;                 // key for up+
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    POINT ptUp;                 // x,y position of key/button.  Not on screen but in screen coordinates.+
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    short vkDown;+
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    POINT ptDown;+
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    short vkLeft;+
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    POINT ptLeft;+
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    short vkRight;+
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    POINT ptRight;+
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    short vkA;+
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    POINT ptA;+
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    short vkB;+
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    POINT ptB;+
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    short vkC;+
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    POINT ptC;+
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    short vkStart;+
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    POINT ptStart;+
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};+
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+
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typedef int (*PFNGXOpenDisplay) (HWND hWnd, DWORD dwFlags);+
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typedef int (*PFNGXCloseDisplay) ();+
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typedef void *(*PFNGXBeginDraw) ();+
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typedef int (*PFNGXEndDraw) ();+
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typedef int (*PFNGXOpenInput) ();+
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typedef int (*PFNGXCloseInput) ();+
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typedef struct GXDisplayProperties (*PFNGXGetDisplayProperties) ();+
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typedef struct GXKeyList (*PFNGXGetDefaultKeys) (int iOptions);+
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typedef int (*PFNGXSuspend) ();+
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typedef int (*PFNGXResume) ();+
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typedef int (*PFNGXSetViewport) (DWORD dwTop, DWORD dwHeight,+
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                                 DWORD dwReserved1, DWORD dwReserved2);+
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typedef BOOL(*PFNGXIsDisplayDRAMBuffer) ();+
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+
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struct GapiFunc+
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{+
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    PFNGXOpenDisplay GXOpenDisplay;+
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    PFNGXCloseDisplay GXCloseDisplay;+
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    PFNGXBeginDraw GXBeginDraw;+
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    PFNGXEndDraw GXEndDraw;+
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    PFNGXOpenInput GXOpenInput;+
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    PFNGXCloseInput GXCloseInput;+
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    PFNGXGetDisplayProperties GXGetDisplayProperties;+
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    PFNGXGetDefaultKeys GXGetDefaultKeys;+
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    PFNGXSuspend GXSuspend;+
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    PFNGXResume GXResume;+
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    PFNGXSetViewport GXSetViewport;+
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    PFNGXIsDisplayDRAMBuffer GXIsDisplayDRAMBuffer;+
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};+
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+
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#define kfLandscape	0x8     // Screen is rotated 270 degrees+
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#define kfPalette	0x10    // Pixel values are indexes into a palette+
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#define kfDirect	0x20    // Pixel values contain actual level information+
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#define kfDirect555	0x40    // 5 bits each for red, green and blue values in a pixel.+
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#define kfDirect565	0x80    // 5 red bits, 6 green bits and 5 blue bits per pixel+
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#define kfDirect888	0x100   // 8 bits each for red, green and blue values in a pixel.+
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#define kfDirect444	0x200   // 4 red, 4 green, 4 blue+
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#define kfDirectInverted 0x400+
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+
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#define GX_FULLSCREEN	0x01    // for OpenDisplay()+
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#define GX_NORMALKEYS   0x02+
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#define GX_LANDSCAPEKEYS        0x03+
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+
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typedef enum+
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{+
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    SDL_ORIENTATION_UP,+
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    SDL_ORIENTATION_DOWN,+
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    SDL_ORIENTATION_LEFT,+
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    SDL_ORIENTATION_RIGHT+
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} SDL_ScreenOrientation;+
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+
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/* GAPI video mode */+
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typedef enum+
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{+
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    GAPI_NONE = 0,+
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    GAPI_DIRECT_565,+
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    GAPI_DIRECT_555,+
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    GAPI_MONO,+
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    GAPI_PALETTE+
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} GAPIVideoMode;+
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+
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/* Hidden "this" pointer for the video functions */+
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#define _THIS	SDL_VideoDevice *this+
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+
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typedef unsigned short PIXEL;+
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+
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/* Private display data +
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   begin with DIB private structure to allow DIB events code sharing+
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*/+
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struct SDL_PrivateVideoData+
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{+
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    HBITMAP screen_bmp;+
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    HPALETTE screen_pal;+
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+
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#define NUM_MODELISTS	4       /* 8, 16, 24, and 32 bits-per-pixel */+
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    int SDL_nummodes[NUM_MODELISTS];+
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    SDL_Rect **SDL_modelist[NUM_MODELISTS];+
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    enum SDL_ScreenOrientation userOrientation;+
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    int invert;+
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    char hiresFix;              // using hires mode without defining hires resource+
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// --------------+
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    int useGXOpenDisplay;       /* use GXOpenDispplay */+
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    int w, h;+
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    enum SDL_ScreenOrientation gapiOrientation;+
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+
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    void *buffer;               // may be 8, 16, 24, 32 bpp+
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    PIXEL *videoMem;+
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    BOOL needUpdate;+
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    struct GXKeyList keyList;+
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    struct GapiFunc gxFunc;+
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    struct GXDisplayProperties gxProperties;+
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    enum GAPIVideoMode videoMode;+
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    int colorscale;+
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    int dstLineStep;            // in bytes+
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    int dstPixelStep;           // in bytes+
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    int startOffset;            // in bytes+
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    int useVga;+
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    int suspended;              // do not pu anything into video memory+
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};+
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+
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+
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#define gapiBuffer this->hidden->buffer+
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#define gapi this->hidden+
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+
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#endif /* _SDL_gapivideo_h */+
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/* vi: set ts=4 sw=4 expandtab: */+
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