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136 lines
3.7 KiB
C
136 lines
3.7 KiB
C
/*
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* ReactOS kernel
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* Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* PURPOSE: GDI Internal Objects
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* FILE: subsystem/win32/win32k/eng/objects.h
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* PROGRAMER: Jason Filby
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* REVISION HISTORY:
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* 21/8/1999: Created
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*/
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#pragma once
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/* Structure of internal gdi objects that win32k manages for ddi engine:
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|---------------------------------|
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| Public part |
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| accessed from engine |
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|---------------------------------|
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| Private part |
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| managed by gdi |
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|_________________________________|
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---------------------------------------------------------------------------*/
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/* EXtended CLip and Window Region Object */
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typedef struct _XCLIPOBJ
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{
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WNDOBJ;
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PVOID pClipRgn; /* prgnRao_ or (prgnVis_ if (prgnRao_ == z)) */
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RECTL rclClipRgn;
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PVOID pscanClipRgn; /* Ptr to regions rect buffer based on iDirection. */
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DWORD cScan;
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DWORD reserved;
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ULONG ulBSize;
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LONG lscnSize;
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ULONG ulObjSize;
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ULONG iDirection;
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ULONG ulClipType;
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DWORD reserved1;
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LONG lUpDown;
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DWORD reserved2;
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BOOL bShouldDoAll;
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DWORD nComplexity; /* count/mode based on # of rect in regions scan. */
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PVOID pDDA; /* Pointer to a large drawing structure. */
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} XCLIPOBJ, *PXCLIPOBJ;
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/*
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EngCreateClip allocates XCLIPOBJ and RGNOBJ, pco->co.pClipRgn = &pco->ro.
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{
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XCLIPOBJ co;
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RGNOBJ ro;
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}
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*/
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typedef struct _CLIPGDI {
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union
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{
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CLIPOBJ ClipObj;
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WNDOBJ WndObj;
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};
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/* WNDOBJ part */
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HWND Hwnd;
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WNDOBJCHANGEPROC ChangeProc;
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FLONG Flags;
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int PixelFormat;
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/* CLIPOBJ part */
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ULONG EnumPos;
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ULONG EnumOrder;
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ULONG EnumMax;
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ULONG RectCount;
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RECTL* Rects;
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} CLIPGDI, *PCLIPGDI;
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C_ASSERT(FIELD_OFFSET(CLIPGDI, ClipObj) == FIELD_OFFSET(CLIPGDI, WndObj.coClient));
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// HACK, until we use the original structure
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#define XCLIPOBJ CLIPGDI
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extern XCLIPOBJ gxcoTrivial;
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/*ei What is this for? */
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typedef struct _DRVFUNCTIONSGDI {
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HDEV hdev;
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DRVFN Functions[INDEX_LAST];
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} DRVFUNCTIONSGDI;
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typedef struct _FLOATGDI {
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ULONG Dummy;
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} FLOATGDI;
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typedef struct _FONTGDI {
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FONTOBJ FontObj;
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ULONG iUnique;
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FLONG flType;
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union{
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DHPDEV dhpdev;
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FT_Face face;
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};
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LONG lMaxNegA;
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LONG lMaxNegC;
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LONG lMinWidthD;
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LPWSTR Filename;
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BYTE Underline;
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BYTE StrikeOut;
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} FONTGDI, *PFONTGDI;
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typedef struct _PATHGDI {
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PATHOBJ PathObj;
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} PATHGDI;
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typedef struct _XFORMGDI {
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ULONG Dummy;
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/* XFORMOBJ has no public members */
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} XFORMGDI;
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/* As the *OBJ structures are located at the beginning of the *GDI structures
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we can simply typecast the pointer */
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#define ObjToGDI(ClipObj, Type) (Type##GDI *)(ClipObj)
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#define GDIToObj(ClipGDI, Type) (Type##OBJ *)(ClipGDI)
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