win32ss/gdi/eng/engobjects.h

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License along
  16  *  with this program; if not, write to the Free Software Foundation, Inc.,
  17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19  /*
  20  * COPYRIGHT:         See COPYING in the top level directory
  21  * PROJECT:           ReactOS kernel
  22  * PURPOSE:           GDI Internal Objects
  23  * FILE:              subsystem/win32/win32k/eng/objects.h
  24  * PROGRAMER:         Jason Filby
  25  * REVISION HISTORY:
  26  *                 21/8/1999: Created
  27  */
  28
  29 #pragma once
  30
  31 /* Structure of internal gdi objects that win32k manages for ddi engine:
  32    |---------------------------------|
  33    |         Public part             |
  34    |      accessed from engine       |
  35    |---------------------------------|
  36    |        Private part             |
  37    |       managed by gdi            |
  38    |_________________________________|
  39
  40 ---------------------------------------------------------------------------*/
  41
  42 /* EXtended CLip and Window Region Object */
  43 typedef struct _XCLIPOBJ
  44 {
  45   WNDOBJ;
  46   PVOID   pClipRgn;    /* prgnRao_ or (prgnVis_ if (prgnRao_ == z)) */
  47   RECTL   rclClipRgn;
  48   PVOID   pscanClipRgn; /* Ptr to regions rect buffer based on iDirection. */
  49   DWORD   cScan;
  50   DWORD   reserved;
  51   ULONG   ulBSize;
  52   LONG    lscnSize;
  53   ULONG   ulObjSize;
  54   ULONG   iDirection;
  55   ULONG   ulClipType;
  56   DWORD   reserved1;
  57   LONG    lUpDown;
  58   DWORD   reserved2;
  59   BOOL    bShouldDoAll;
  60   DWORD   nComplexity; /* count/mode based on # of rect in regions scan. */
  61   PVOID   pDDA;        /* Pointer to a large drawing structure. */
  62 } XCLIPOBJ, *PXCLIPOBJ;
  63 /*
  64   EngCreateClip allocates XCLIPOBJ and RGNOBJ, pco->co.pClipRgn = &pco->ro.
  65   {
  66     XCLIPOBJ co;
  67     RGNOBJ   ro;
  68   }
  69  */
  70 typedef struct _CLIPGDI {
  71   CLIPOBJ ClipObj;
  72   ULONG EnumPos;
  73   ULONG EnumOrder;
  74   ULONG EnumMax;
  75   ENUMRECTS EnumRects;
  76 } CLIPGDI, *PCLIPGDI;
  77
  78 // HACK, until we use the original structure
  79 #define XCLIPOBJ CLIPGDI
  80
  81 extern XCLIPOBJ gxcoTrivial;
  82
  83 /*ei What is this for? */
  84 typedef struct _DRVFUNCTIONSGDI {
  85   HDEV  hdev;
  86   DRVFN Functions[INDEX_LAST];
  87 } DRVFUNCTIONSGDI;
  88
  89 typedef struct _FLOATGDI {
  90   ULONG Dummy;
  91 } FLOATGDI;
  92
  93 typedef struct _FONTGDI {
  94   FONTOBJ     FontObj;
  95   ULONG       iUnique;
  96   FLONG       flType;
  97   union{
  98   DHPDEV      dhpdev;
  99   FT_Face     face;
 100   };
 101
 102   LONG        lMaxNegA;
 103   LONG        lMaxNegC;
 104   LONG        lMinWidthD;
 105
 106   LPWSTR      Filename;
 107   BYTE        Underline;
 108   BYTE        StrikeOut;
 109 } FONTGDI, *PFONTGDI;
 110
 111 typedef struct _PATHGDI {
 112   PATHOBJ PathObj;
 113 } PATHGDI;
 114
 115 typedef struct _WNDGDI {
 116   WNDOBJ            WndObj;
 117   HWND              Hwnd;
 118   CLIPOBJ           *ClientClipObj;
 119   WNDOBJCHANGEPROC  ChangeProc;
 120   FLONG             Flags;
 121   int               PixelFormat;
 122 } WNDGDI, *PWNDGDI;
 123
 124 typedef struct _XFORMGDI {
 125   ULONG Dummy;
 126   /* XFORMOBJ has no public members */
 127 } XFORMGDI;
 128
 129 /* As the *OBJ structures are located at the beginning of the *GDI structures
 130    we can simply typecast the pointer */
 131 #define ObjToGDI(ClipObj, Type) (Type##GDI *)(ClipObj)
 132 #define GDIToObj(ClipGDI, Type) (Type##OBJ *)(ClipGDI)