/*
 *  ReactOS kernel
 *  Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
/* $Id$
 * 
 * COPYRIGHT:         See COPYING in the top level directory
 * PROJECT:           ReactOS kernel
 * PURPOSE:           GDI Internal Objects
 * FILE:              subsys/win32k/eng/objects.h
 * PROGRAMER:         Jason Filby
 * REVISION HISTORY:
 *                 21/8/1999: Created
 */
#ifndef __ENG_OBJECTS_H
#define __ENG_OBJECTS_H

#include <freetype/freetype.h>

/* Structure of internal gdi objects that win32k manages for ddi engine:
   |---------------------------------|
   |           EngObj                |
   |---------------------------------|
   |         Public part             |
   |      accessed from engine       |
   |---------------------------------|
   |        Private part             |
   |       managed by gdi            |
   |_________________________________|

---------------------------------------------------------------------------*/

typedef struct _ENGOBJ {
	ULONG  hObj;
	ULONG  InternalSize;
	ULONG  UserSize;
}ENGOBJ, *PENGOBJ;



typedef struct _BRUSHGDI {
  ENGOBJ 		Header;
  BRUSHOBJ	BrushObj;
} BRUSHGDI;

typedef struct _CLIPGDI {
  ENGOBJ 		Header;
  CLIPOBJ		ClipObj;
  /* ei what were these for?
  ULONG NumRegionRects;
  ULONG NumIntersectRects;
  RECTL *RegionRects;
  RECTL *IntersectRects;
  */
  ULONG EnumPos;
  ULONG EnumOrder;
  ULONG EnumMax;
  ENUMRECTS EnumRects;
} CLIPGDI, *PCLIPGDI;

/*ei What is this for? */
typedef struct _DRVFUNCTIONSGDI {
  HDEV  hdev;
  DRVFN Functions[INDEX_LAST];
} DRVFUNCTIONSGDI;

typedef struct _FLOATGDI {

} FLOATGDI;

typedef struct _FONTGDI {
  ENGOBJ 		Header;
  FONTOBJ		FontObj;

  LPCWSTR Filename;
  FT_Face face;
  TEXTMETRICW TextMetric;
} FONTGDI, *PFONTGDI;

typedef struct _PATHGDI {
  ENGOBJ 		Header;
  PATHOBJ		PathObj;
} PATHGDI;

typedef struct _STRGDI {
  ENGOBJ 		Header;
  STROBJ		StrObj;
} STRGDI;

typedef BOOL STDCALL (*PFN_BitBlt)(PSURFOBJ, PSURFOBJ, PSURFOBJ, PCLIPOBJ,
                           PXLATEOBJ, PRECTL, PPOINTL, PPOINTL,
                           PBRUSHOBJ, PPOINTL, ROP4);

typedef BOOL STDCALL (*PFN_TransparentBlt)(PSURFOBJ, PSURFOBJ, PCLIPOBJ, PXLATEOBJ, PRECTL, PRECTL, ULONG, ULONG);

typedef BOOL STDCALL (*PFN_StretchBlt)(PSURFOBJ, PSURFOBJ, PSURFOBJ, PCLIPOBJ,
                               PXLATEOBJ, PCOLORADJUSTMENT, PPOINTL,
                               PRECTL, PRECTL, PPOINT, ULONG);

typedef BOOL STDCALL (*PFN_TextOut)(PSURFOBJ, PSTROBJ, PFONTOBJ, PCLIPOBJ,
                            PRECTL, PRECTL, PBRUSHOBJ, PBRUSHOBJ,
                            PPOINTL, MIX);

typedef BOOL STDCALL (*PFN_Paint)(PSURFOBJ, PCLIPOBJ, PBRUSHOBJ, PPOINTL, MIX);

typedef BOOL STDCALL (*PFN_StrokePath)(PSURFOBJ, PPATHOBJ, PCLIPOBJ, PXFORMOBJ,
                               PBRUSHOBJ, PPOINTL, PLINEATTRS, MIX);

typedef BOOL STDCALL (*PFN_FillPath)(PSURFOBJ, PPATHOBJ, PCLIPOBJ, PBRUSHOBJ,
                             PPOINTL, MIX, ULONG);

typedef BOOL STDCALL (*PFN_StrokeAndFillPath)(PSURFOBJ, PPATHOBJ, PCLIPOBJ,
                PXFORMOBJ, PBRUSHOBJ, PLINEATTRS, PBRUSHOBJ,
                PPOINTL, MIX, ULONG);

typedef BOOL STDCALL (*PFN_LineTo)(PSURFOBJ, PCLIPOBJ, PBRUSHOBJ,
                           LONG, LONG, LONG, LONG, PRECTL, MIX);

typedef BOOL STDCALL (*PFN_CopyBits)(PSURFOBJ, PSURFOBJ, PCLIPOBJ,
                             PXLATEOBJ, PRECTL, PPOINTL);

typedef VOID STDCALL (*PFN_Synchronize)(DHPDEV, PRECTL);

typedef VOID STDCALL (*PFN_MovePointer)(PSURFOBJ, LONG, LONG, PRECTL);

typedef ULONG STDCALL (*PFN_SetPointerShape)(PSURFOBJ, PSURFOBJ, PSURFOBJ, PXLATEOBJ,
			    LONG, LONG, LONG, LONG, PRECTL, ULONG);

typedef HBITMAP STDCALL (*PFN_CreateDeviceBitmap)(DHPDEV, SIZEL, ULONG);

typedef BOOL STDCALL (*PFN_SetPalette)(DHPDEV, PALOBJ*, ULONG, ULONG, ULONG);

/* Forward declare (circular reference) */
typedef struct _SURFGDI *PSURFGDI;

typedef VOID    (*PFN_DIB_PutPixel)(PSURFOBJ, LONG, LONG, ULONG);
typedef ULONG   (*PFN_DIB_GetPixel)(PSURFOBJ, LONG, LONG);
typedef VOID    (*PFN_DIB_HLine)   (PSURFOBJ, LONG, LONG, LONG, ULONG);
typedef VOID    (*PFN_DIB_VLine)   (PSURFOBJ, LONG, LONG, LONG, ULONG);
typedef BOOLEAN (*PFN_DIB_BitBlt)  (PSURFOBJ DestSurf, PSURFOBJ SourceSurf,
                                    PSURFGDI DestGDI,  PSURFGDI SourceGDI,
                                    PRECTL   DestRect, PPOINTL  SourcePoint,
				    PBRUSHOBJ BrushObj, PPOINTL BrushOrigin,
                                    XLATEOBJ *ColorTranslation, ULONG Rop4);

typedef struct _SURFGDI {
  ENGOBJ 		Header;
  SURFOBJ		SurfObj;

  INT BitsPerPixel;

  /* Driver functions */
  PFN_BitBlt BitBlt;
  PFN_TransparentBlt TransparentBlt;
  PFN_StretchBlt StretchBlt;
  PFN_TextOut TextOut;
  PFN_Paint Paint;
  PFN_StrokePath StrokePath;
  PFN_FillPath FillPath;
  PFN_StrokeAndFillPath StrokeAndFillPath;
  PFN_LineTo LineTo;
  PFN_CopyBits CopyBits;
  PFN_Synchronize Synchronize;
  BOOL SynchronizeAccess;
  PFN_CreateDeviceBitmap CreateDeviceBitmap;
  PFN_SetPalette SetPalette;
  PFN_MovePointer MovePointer;
  PFN_SetPointerShape SetPointerShape;

  /* DIB functions */
  PFN_DIB_PutPixel DIB_PutPixel;
  PFN_DIB_HLine    DIB_HLine;
  PFN_DIB_VLine    DIB_VLine;
  PFN_DIB_BitBlt   DIB_BitBlt;
} SURFGDI;

typedef struct _XFORMGDI {
  ENGOBJ 		Header;
  /* XFORMOBJ has no public members */
} XFORMGDI;

typedef struct _XLATEGDI {
  ENGOBJ 		Header;
  XLATEOBJ		XlateObj;
  HPALETTE DestPal;
  HPALETTE SourcePal;

  ULONG *translationTable;

  ULONG RedMask;
  ULONG GreenMask;
  ULONG BlueMask;
  INT RedShift;
  INT GreenShift;
  INT BlueShift;
  BOOL UseShiftAndMask;
} XLATEGDI;

// List of GDI objects
// FIXME: Make more dynamic

#define MAX_GDI_BRUSHES      255
#define MAX_GDI_CLIPS        255
#define MAX_GDI_DRVFUNCTIONS  16
#define MAX_GDI_FLOATS       255
#define MAX_GDI_FONTS        255
#define MAX_GDI_PALS         255
#define MAX_GDI_PATHS        255
#define MAX_GDI_STRS         255
#define MAX_GDI_SURFS        255
#define MAX_GDI_XFORMS       255
#define MAX_GDI_XLATES       255

#endif //__ENG_OBJECTS_H