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:              win32ss/gdi/eng/engobjects.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 typedef struct _RWNDOBJ {
  43   PVOID   pvConsumer;
  44   RECTL   rclClient;
  45   SURFOBJ *psoOwner;
  46 } RWNDOBJ;
  47
  48 /* EXtended CLip and Window Region Objects */
  49 #ifdef __cplusplus
  50 typedef struct _XCLIPOBJ : _CLIPOBJ, _RWNDOBJ
  51 {
  52 #else
  53 typedef struct _XCLIPOBJ
  54 {
  55   CLIPOBJ;
  56   RWNDOBJ;
  57 #endif
  58   struct _REGION *pClipRgn;    /* prgnRao_ or (prgnVis_ if (prgnRao_ == z)) */
  59   //
  60   RECTL   rclClipRgn;
  61   //PVOID   pscanClipRgn; /* Ptr to regions rect buffer based on iDirection. */
  62   RECTL*  Rects;
  63   DWORD   cScan;
  64   DWORD   reserved;
  65   ULONG   EnumPos;
  66   LONG    lscnSize;
  67   ULONG   EnumMax;
  68   ULONG   iDirection;
  69   ULONG   iType;
  70   DWORD   reserved1;
  71   LONG    lUpDown;
  72   DWORD   reserved2;
  73   BOOL    bAll;
  74   //
  75   DWORD   RectCount;   /* count/mode based on # of rect in regions scan. */
  76   PVOID   pDDA;        /* Pointer to a large drawing structure. */
  77 } XCLIPOBJ, *PXCLIPOBJ;
  78
  79 /*
  80   EngCreateClip allocates XCLIPOBJ and REGION, pco->co.pClipRgn = &pco->ro.
  81   {
  82     XCLIPOBJ co;
  83     REGION   ro;
  84   }
  85  */
  86
  87 extern XCLIPOBJ gxcoTrivial;
  88
  89 #ifdef __cplusplus
  90 typedef struct _EWNDOBJ : _XCLIPOBJ
  91 {
  92 #else
  93 typedef struct _EWNDOBJ
  94 {
  95     XCLIPOBJ;
  96 #endif
  97     /* Extended WNDOBJ part */
  98     HWND              Hwnd;
  99     WNDOBJCHANGEPROC  ChangeProc;
 100     FLONG             Flags;
 101     int               PixelFormat;
 102 } EWNDOBJ, *PEWNDOBJ;
 103
 104
 105 /*ei What is this for? */
 106 typedef struct _DRVFUNCTIONSGDI {
 107   HDEV  hdev;
 108   DRVFN Functions[INDEX_LAST];
 109 } DRVFUNCTIONSGDI;
 110
 111 typedef struct _FLOATGDI {
 112   ULONG Dummy;
 113 } FLOATGDI;
 114
 115 typedef struct _SHARED_MEM {
 116   PVOID         Buffer;
 117   ULONG         BufferSize;
 118   BOOL          IsMapping;
 119   LONG          RefCount;
 120 } SHARED_MEM, *PSHARED_MEM;
 121
 122 typedef struct _SHARED_FACE_CACHE {
 123     UINT OutlineRequiredSize;
 124     UNICODE_STRING FontFamily;
 125     UNICODE_STRING FullName;
 126 } SHARED_FACE_CACHE, *PSHARED_FACE_CACHE;
 127
 128 typedef struct _SHARED_FACE {
 129   FT_Face       Face;
 130   LONG          RefCount;
 131   PSHARED_MEM   Memory;
 132   SHARED_FACE_CACHE EnglishUS;
 133   SHARED_FACE_CACHE UserLanguage;
 134 } SHARED_FACE, *PSHARED_FACE;
 135
 136 typedef struct _FONTGDI {
 137   FONTOBJ       FontObj;
 138   ULONG         iUnique;
 139   FLONG         flType;
 140
 141   DHPDEV        dhpdev;
 142   PSHARED_FACE  SharedFace;
 143
 144   LONG          lMaxNegA;
 145   LONG          lMaxNegC;
 146   LONG          lMinWidthD;
 147
 148   LPWSTR        Filename;
 149   BYTE          RequestUnderline;
 150   BYTE          RequestStrikeOut;
 151   BYTE          RequestItalic;
 152   LONG          RequestWeight;
 153   BYTE          OriginalItalic;
 154   LONG          OriginalWeight;
 155   BYTE          CharSet;
 156 } FONTGDI, *PFONTGDI;
 157
 158 typedef struct _PATHGDI {
 159   PATHOBJ PathObj;
 160 } PATHGDI;
 161
 162 typedef struct _XFORMGDI {
 163   ULONG Dummy;
 164   /* XFORMOBJ has no public members */
 165 } XFORMGDI;
 166
 167 /* As the *OBJ structures are located at the beginning of the *GDI structures
 168    we can simply typecast the pointer */
 169 #define ObjToGDI(ClipObj, Type) (Type##GDI *)(ClipObj)
 170 #define GDIToObj(ClipGDI, Type) (Type##OBJ *)(ClipGDI)