/*+
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    SDL - Simple DirectMedia Layer+
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    Copyright (C) 1997-2006 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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+
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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_sysvideo.h"+
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#include "SDL_mutex.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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    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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    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, 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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	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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    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 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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};+
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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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