forked from Mirrors/wine-wine
541 lines
18 KiB
C
541 lines
18 KiB
C
/*
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* GDI definitions
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*
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* Copyright 1993 Alexandre Julliard
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __WINE_GDI_H
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#define __WINE_GDI_H
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#include "windef.h"
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#include "wingdi.h"
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#include "wine/wingdi16.h"
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#include "path.h"
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#include <math.h>
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/* GDI objects magic numbers */
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#define FIRST_MAGIC 0x4f47
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#define PEN_MAGIC 0x4f47
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#define BRUSH_MAGIC 0x4f48
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#define FONT_MAGIC 0x4f49
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#define PALETTE_MAGIC 0x4f4a
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#define BITMAP_MAGIC 0x4f4b
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#define REGION_MAGIC 0x4f4c
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#define DC_MAGIC 0x4f4d
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#define DISABLED_DC_MAGIC 0x4f4e
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#define META_DC_MAGIC 0x4f4f
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#define METAFILE_MAGIC 0x4f50
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#define METAFILE_DC_MAGIC 0x4f51
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#define ENHMETAFILE_MAGIC 0x4f52
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#define ENHMETAFILE_DC_MAGIC 0x4f53
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#define LAST_MAGIC 0x4f53
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#define MAGIC_DONTCARE 0xffff
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/* GDI constants for making objects private/system (naming undoc. !) */
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#define OBJECT_PRIVATE 0x2000
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#define OBJECT_NOSYSTEM 0x8000
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#define GDIMAGIC(magic) ((magic) & ~(OBJECT_PRIVATE|OBJECT_NOSYSTEM))
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typedef struct tagGDIOBJHDR
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{
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HANDLE16 hNext;
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WORD wMagic;
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DWORD dwCount;
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} GDIOBJHDR;
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typedef struct tagGdiFont *GdiFont;
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typedef struct tagDC
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{
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GDIOBJHDR header;
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HDC hSelf; /* Handle to this DC */
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const struct tagDC_FUNCS *funcs; /* DC function table */
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void *physDev; /* Physical device (driver-specific) */
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INT saveLevel;
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DWORD dwHookData;
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FARPROC16 hookProc; /* the original SEGPTR ... */
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DCHOOKPROC hookThunk; /* ... and the thunk to call it */
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INT wndOrgX; /* Window origin */
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INT wndOrgY;
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INT wndExtX; /* Window extent */
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INT wndExtY;
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INT vportOrgX; /* Viewport origin */
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INT vportOrgY;
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INT vportExtX; /* Viewport extent */
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INT vportExtY;
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int flags;
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HRGN16 hClipRgn; /* Clip region (may be 0) */
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HRGN16 hVisRgn; /* Visible region (must never be 0) */
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HRGN16 hGCClipRgn; /* GC clip region (ClipRgn AND VisRgn) */
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HPEN16 hPen;
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HBRUSH16 hBrush;
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HFONT16 hFont;
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HBITMAP16 hBitmap;
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HANDLE16 hDevice;
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HPALETTE16 hPalette;
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GdiFont gdiFont;
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GdiPath path;
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WORD ROPmode;
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WORD polyFillMode;
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WORD stretchBltMode;
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WORD relAbsMode;
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WORD backgroundMode;
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COLORREF backgroundColor;
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COLORREF textColor;
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short brushOrgX;
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short brushOrgY;
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WORD textAlign; /* Text alignment from SetTextAlign() */
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short charExtra; /* Spacing from SetTextCharacterExtra() */
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short breakTotalExtra; /* Total extra space for justification */
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short breakCount; /* Break char. count */
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short breakExtra; /* breakTotalExtra / breakCount */
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short breakRem; /* breakTotalExtra % breakCount */
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RECT totalExtent;
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BYTE bitsPerPixel;
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INT MapMode;
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INT GraphicsMode; /* Graphics mode */
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INT DCOrgX; /* DC origin */
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INT DCOrgY;
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ABORTPROC pAbortProc; /* AbortProc for Printing */
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ABORTPROC16 pAbortProc16;
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INT CursPosX; /* Current position */
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INT CursPosY;
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INT ArcDirection;
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XFORM xformWorld2Wnd; /* World-to-window transformation */
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XFORM xformWorld2Vport; /* World-to-viewport transformation */
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XFORM xformVport2World; /* Inverse of the above transformation */
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BOOL vport2WorldValid; /* Is xformVport2World valid? */
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} DC;
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/* Device functions for the Wine driver interface */
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typedef INT (*DEVICEFONTENUMPROC)(LPENUMLOGFONTEXW,LPNEWTEXTMETRICEXW,DWORD,
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LPARAM);
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typedef struct tagDC_FUNCS
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{
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INT (*pAbortDoc)(DC*);
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BOOL (*pAbortPath)(DC*);
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BOOL (*pAngleArc)(DC*,INT,INT,DWORD,FLOAT,FLOAT);
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BOOL (*pArc)(DC*,INT,INT,INT,INT,INT,INT,INT,INT);
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BOOL (*pArcTo)(DC*,INT,INT,INT,INT,INT,INT,INT,INT);
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BOOL (*pBeginPath)(DC*);
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BOOL (*pBitBlt)(DC*,INT,INT,INT,INT,DC*,INT,INT,DWORD);
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LONG (*pBitmapBits)(HBITMAP,void*,LONG,WORD);
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INT (*pChoosePixelFormat)(DC*,const PIXELFORMATDESCRIPTOR *);
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BOOL (*pChord)(DC*,INT,INT,INT,INT,INT,INT,INT,INT);
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BOOL (*pCloseFigure)(DC*);
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BOOL (*pCreateBitmap)(HBITMAP);
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BOOL (*pCreateDC)(DC*,LPCSTR,LPCSTR,LPCSTR,const DEVMODEA*);
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HBITMAP (*pCreateDIBSection)(DC *,BITMAPINFO *,UINT,LPVOID *,HANDLE,
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DWORD,DWORD);
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BOOL (*pDeleteDC)(DC*);
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BOOL (*pDeleteObject)(HGDIOBJ);
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INT (*pDescribePixelFormat)(DC *,INT,UINT,PIXELFORMATDESCRIPTOR *);
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DWORD (*pDeviceCapabilities)(LPSTR,LPCSTR,LPCSTR,WORD,LPSTR,LPDEVMODEA);
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BOOL (*pEllipse)(DC*,INT,INT,INT,INT);
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INT (*pEndDoc)(DC*);
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INT (*pEndPage)(DC*);
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BOOL (*pEndPath)(DC*);
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BOOL (*pEnumDeviceFonts)(HDC,LPLOGFONTW,DEVICEFONTENUMPROC,LPARAM);
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INT (*pExcludeClipRect)(DC*,INT,INT,INT,INT);
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INT (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
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INT (*pExtEscape)(DC*,INT,INT,LPCVOID,INT,LPVOID);
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BOOL (*pExtFloodFill)(DC*,INT,INT,COLORREF,UINT);
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BOOL (*pExtTextOut)(DC*,INT,INT,UINT,const RECT*,LPCWSTR,UINT,
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const INT*);
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BOOL (*pFillPath)(DC*);
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BOOL (*pFillRgn)(DC*,HRGN,HBRUSH);
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BOOL (*pFlattenPath)(DC*);
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BOOL (*pFrameRgn)(DC*,HRGN,HBRUSH,INT,INT);
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BOOL (*pGetCharWidth)(DC*,UINT,UINT,LPINT);
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BOOL (*pGetDCOrgEx)(DC*,LPPOINT);
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INT (*pGetDeviceCaps)(DC*,INT);
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BOOL (*pGetDeviceGammaRamp)(DC*,LPVOID);
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COLORREF (*pGetPixel)(DC*,INT,INT);
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INT (*pGetPixelFormat)(DC*);
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BOOL (*pGetTextExtentPoint)(DC*,LPCWSTR,INT,LPSIZE);
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BOOL (*pGetTextMetrics)(DC*,TEXTMETRICW*);
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INT (*pIntersectClipRect)(DC*,INT,INT,INT,INT);
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BOOL (*pInvertRgn)(DC*,HRGN);
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BOOL (*pLineTo)(DC*,INT,INT);
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BOOL (*pMoveTo)(DC*,INT,INT);
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INT (*pOffsetClipRgn)(DC*,INT,INT);
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BOOL (*pOffsetViewportOrg)(DC*,INT,INT);
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BOOL (*pOffsetWindowOrg)(DC*,INT,INT);
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BOOL (*pPaintRgn)(DC*,HRGN);
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BOOL (*pPatBlt)(DC*,INT,INT,INT,INT,DWORD);
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BOOL (*pPie)(DC*,INT,INT,INT,INT,INT,INT,INT,INT);
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BOOL (*pPolyBezier)(DC*,const POINT*,DWORD);
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BOOL (*pPolyBezierTo)(DC*,const POINT*,DWORD);
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BOOL (*pPolyDraw)(DC*,const POINT*,const BYTE *,DWORD);
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BOOL (*pPolyPolygon)(DC*,const POINT*,const INT*,UINT);
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BOOL (*pPolyPolyline)(DC*,const POINT*,const DWORD*,DWORD);
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BOOL (*pPolygon)(DC*,const POINT*,INT);
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BOOL (*pPolyline)(DC*,const POINT*,INT);
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BOOL (*pPolylineTo)(DC*,const POINT*,INT);
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UINT (*pRealizePalette)(DC*);
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BOOL (*pRectangle)(DC*,INT,INT,INT,INT);
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BOOL (*pRestoreDC)(DC*,INT);
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BOOL (*pRoundRect)(DC*,INT,INT,INT,INT,INT,INT);
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INT (*pSaveDC)(DC*);
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BOOL (*pScaleViewportExt)(DC*,INT,INT,INT,INT);
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BOOL (*pScaleWindowExt)(DC*,INT,INT,INT,INT);
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BOOL (*pSelectClipPath)(DC*,INT);
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INT (*pSelectClipRgn)(DC*,HRGN);
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HANDLE (*pSelectObject)(DC*,HANDLE);
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HPALETTE (*pSelectPalette)(DC*,HPALETTE,BOOL);
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COLORREF (*pSetBkColor)(DC*,COLORREF);
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INT (*pSetBkMode)(DC*,INT);
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VOID (*pSetDeviceClipping)(DC*);
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BOOL (*pSetDeviceGammaRamp)(DC*,LPVOID);
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INT (*pSetDIBitsToDevice)(DC*,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT,
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LPCVOID,const BITMAPINFO*,UINT);
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INT (*pSetMapMode)(DC*,INT);
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DWORD (*pSetMapperFlags)(DC*,DWORD);
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COLORREF (*pSetPixel)(DC*,INT,INT,COLORREF);
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BOOL (*pSetPixelFormat)(DC*,INT,const PIXELFORMATDESCRIPTOR *);
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INT (*pSetPolyFillMode)(DC*,INT);
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INT (*pSetROP2)(DC*,INT);
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INT (*pSetRelAbs)(DC*,INT);
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INT (*pSetStretchBltMode)(DC*,INT);
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UINT (*pSetTextAlign)(DC*,UINT);
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INT (*pSetTextCharacterExtra)(DC*,INT);
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DWORD (*pSetTextColor)(DC*,DWORD);
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INT (*pSetTextJustification)(DC*,INT,INT);
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BOOL (*pSetViewportExt)(DC*,INT,INT);
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BOOL (*pSetViewportOrg)(DC*,INT,INT);
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BOOL (*pSetWindowExt)(DC*,INT,INT);
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BOOL (*pSetWindowOrg)(DC*,INT,INT);
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INT (*pStartDoc)(DC*,const DOCINFOA*);
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INT (*pStartPage)(DC*);
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BOOL (*pStretchBlt)(DC*,INT,INT,INT,INT,DC*,INT,INT,INT,INT,DWORD);
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INT (*pStretchDIBits)(DC*,INT,INT,INT,INT,INT,INT,INT,INT,
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const void *,const BITMAPINFO *,UINT,DWORD);
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BOOL (*pStrokeAndFillPath)(DC*);
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BOOL (*pStrokePath)(DC*);
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BOOL (*pSwapBuffers)(DC*);
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BOOL (*pWidenPath)(DC*);
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} DC_FUNCTIONS;
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/* DC hook codes */
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#define DCHC_INVALIDVISRGN 0x0001
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#define DCHC_DELETEDC 0x0002
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#define DCHF_INVALIDATEVISRGN 0x0001
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#define DCHF_VALIDATEVISRGN 0x0002
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/* DC flags */
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#define DC_MEMORY 0x0001 /* It is a memory DC */
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#define DC_SAVED 0x0002 /* It is a saved DC */
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#define DC_DIRTY 0x0004 /* hVisRgn has to be updated */
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#define DC_THUNKHOOK 0x0008 /* DC hook is in the 16-bit code */
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#define GDI_HEAP_SIZE 0xffe0
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/* extra stock object: default 1x1 bitmap for memory DCs */
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#define DEFAULT_BITMAP (STOCK_LAST+1)
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/* Device <-> logical coords conversion */
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/* A floating point version of the POINT structure */
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typedef struct tagFLOAT_POINT
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{
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FLOAT x, y;
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} FLOAT_POINT;
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/* Rounds a floating point number to integer. The world-to-viewport
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* transformation process is done in floating point internally. This function
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* is then used to round these coordinates to integer values.
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*/
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static inline INT WINE_UNUSED GDI_ROUND(FLOAT val)
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{
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return (int)floor(val + 0.5);
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}
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/* Performs a viewport-to-world transformation on the specified point (which
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* is in floating point format). Returns TRUE if successful, else FALSE.
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*/
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static inline BOOL WINE_UNUSED INTERNAL_DPTOLP_FLOAT(DC *dc, FLOAT_POINT *point)
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{
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FLOAT x, y;
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/* Check that the viewport-to-world transformation is valid */
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if (!dc->vport2WorldValid)
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return FALSE;
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/* Perform the transformation */
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x = point->x;
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y = point->y;
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point->x = x * dc->xformVport2World.eM11 +
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y * dc->xformVport2World.eM21 +
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dc->xformVport2World.eDx;
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point->y = x * dc->xformVport2World.eM12 +
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y * dc->xformVport2World.eM22 +
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dc->xformVport2World.eDy;
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return TRUE;
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}
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/* Performs a viewport-to-world transformation on the specified point (which
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* is in integer format). Returns TRUE if successful, else FALSE.
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*/
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static inline BOOL WINE_UNUSED INTERNAL_DPTOLP(DC *dc, LPPOINT point)
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{
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FLOAT_POINT floatPoint;
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/* Perform operation with floating point */
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floatPoint.x=(FLOAT)point->x;
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floatPoint.y=(FLOAT)point->y;
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if (!INTERNAL_DPTOLP_FLOAT(dc, &floatPoint))
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return FALSE;
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/* Round to integers */
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point->x = GDI_ROUND(floatPoint.x);
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point->y = GDI_ROUND(floatPoint.y);
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return TRUE;
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}
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/* Performs a world-to-viewport transformation on the specified point (which
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* is in floating point format).
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*/
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static inline void WINE_UNUSED INTERNAL_LPTODP_FLOAT(DC *dc, FLOAT_POINT *point)
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{
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FLOAT x, y;
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/* Perform the transformation */
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x = point->x;
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y = point->y;
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point->x = x * dc->xformWorld2Vport.eM11 +
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y * dc->xformWorld2Vport.eM21 +
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dc->xformWorld2Vport.eDx;
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point->y = x * dc->xformWorld2Vport.eM12 +
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y * dc->xformWorld2Vport.eM22 +
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dc->xformWorld2Vport.eDy;
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}
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/* Performs a world-to-viewport transformation on the specified point (which
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* is in integer format).
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*/
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static inline void WINE_UNUSED INTERNAL_LPTODP(DC *dc, LPPOINT point)
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{
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FLOAT_POINT floatPoint;
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/* Perform operation with floating point */
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floatPoint.x=(FLOAT)point->x;
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floatPoint.y=(FLOAT)point->y;
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INTERNAL_LPTODP_FLOAT(dc, &floatPoint);
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/* Round to integers */
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point->x = GDI_ROUND(floatPoint.x);
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point->y = GDI_ROUND(floatPoint.y);
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}
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/* Performs a world-to-viewport transformation on the specified point (which
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* is in integer format).
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*/
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static inline INT WINE_UNUSED INTERNAL_XWPTODP(DC *dc, INT x, INT y)
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{
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FLOAT_POINT floatPoint;
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/* Perform operation with floating point */
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floatPoint.x=(FLOAT)x;
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floatPoint.y=(FLOAT)y;
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INTERNAL_LPTODP_FLOAT(dc, &floatPoint);
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/* Round to integers */
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return GDI_ROUND(floatPoint.x);
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}
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/* Performs a world-to-viewport transformation on the specified point (which
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* is in integer format).
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*/
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static inline INT WINE_UNUSED INTERNAL_YWPTODP(DC *dc, INT x, INT y)
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{
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FLOAT_POINT floatPoint;
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/* Perform operation with floating point */
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floatPoint.x=(FLOAT)x;
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floatPoint.y=(FLOAT)y;
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INTERNAL_LPTODP_FLOAT(dc, &floatPoint);
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/* Round to integers */
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return GDI_ROUND(floatPoint.y);
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}
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/* Performs a viewport-to-world transformation on the specified point (which
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* is in integer format).
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*/
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static inline INT WINE_UNUSED INTERNAL_XDPTOWP(DC *dc, INT x, INT y)
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{
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FLOAT_POINT floatPoint;
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/* Perform operation with floating point */
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floatPoint.x=(FLOAT)x;
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floatPoint.y=(FLOAT)y;
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INTERNAL_DPTOLP_FLOAT(dc, &floatPoint);
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/* Round to integers */
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return GDI_ROUND(floatPoint.x);
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}
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/* Performs a viewport-to-world transformation on the specified point (which
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* is in integer format).
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*/
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static inline INT WINE_UNUSED INTERNAL_YDPTOWP(DC *dc, INT x, INT y)
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{
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FLOAT_POINT floatPoint;
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/* Perform operation with floating point */
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floatPoint.x=(FLOAT)x;
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floatPoint.y=(FLOAT)y;
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INTERNAL_DPTOLP_FLOAT(dc, &floatPoint);
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/* Round to integers */
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return GDI_ROUND(floatPoint.y);
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}
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#define XDPTOLP(dc,x) \
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(MulDiv(((x)-(dc)->vportOrgX), (dc)->wndExtX, (dc)->vportExtX) + (dc)->wndOrgX)
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#define YDPTOLP(dc,y) \
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(MulDiv(((y)-(dc)->vportOrgY), (dc)->wndExtY, (dc)->vportExtY) + (dc)->wndOrgY)
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#define XLPTODP(dc,x) \
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(MulDiv(((x)-(dc)->wndOrgX), (dc)->vportExtX, (dc)->wndExtX) + (dc)->vportOrgX)
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#define YLPTODP(dc,y) \
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(MulDiv(((y)-(dc)->wndOrgY), (dc)->vportExtY, (dc)->wndExtY) + (dc)->vportOrgY)
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/* World -> Device size conversion */
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/* Performs a world-to-viewport transformation on the specified width (which
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* is in floating point format).
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*/
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static inline void WINE_UNUSED INTERNAL_XWSTODS_FLOAT(DC *dc, FLOAT *width)
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{
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/* Perform the transformation */
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*width = *width * dc->xformWorld2Vport.eM11;
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}
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/* Performs a world-to-viewport transformation on the specified width (which
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* is in integer format).
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*/
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static inline INT WINE_UNUSED INTERNAL_XWSTODS(DC *dc, INT width)
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{
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FLOAT floatWidth;
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/* Perform operation with floating point */
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floatWidth = (FLOAT)width;
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INTERNAL_XWSTODS_FLOAT(dc, &floatWidth);
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/* Round to integers */
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return GDI_ROUND(floatWidth);
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}
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/* Performs a world-to-viewport transformation on the specified size (which
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* is in floating point format).
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*/
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static inline void WINE_UNUSED INTERNAL_YWSTODS_FLOAT(DC *dc, FLOAT *height)
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{
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/* Perform the transformation */
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*height = *height * dc->xformWorld2Vport.eM22;
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}
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/* Performs a world-to-viewport transformation on the specified size (which
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* is in integer format).
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*/
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static inline INT WINE_UNUSED INTERNAL_YWSTODS(DC *dc, INT height)
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{
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FLOAT floatHeight;
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/* Perform operation with floating point */
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floatHeight = (FLOAT)height;
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INTERNAL_YWSTODS_FLOAT(dc, &floatHeight);
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/* Round to integers */
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return GDI_ROUND(floatHeight);
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}
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/* Device <-> logical size conversion */
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#define XDSTOLS(dc,x) \
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MulDiv((x), (dc)->wndExtX, (dc)->vportExtX)
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#define YDSTOLS(dc,y) \
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MulDiv((y), (dc)->wndExtY, (dc)->vportExtY)
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#define XLSTODS(dc,x) \
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MulDiv((x), (dc)->vportExtX, (dc)->wndExtX)
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#define YLSTODS(dc,y) \
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MulDiv((y), (dc)->vportExtY, (dc)->wndExtY)
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/* GDI local heap */
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extern BOOL GDI_Init(void);
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extern void *GDI_AllocObject( WORD, WORD, HGDIOBJ * );
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extern void *GDI_ReallocObject( WORD, HGDIOBJ, void *obj );
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extern BOOL GDI_FreeObject( HGDIOBJ, void *obj );
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extern void *GDI_GetObjPtr( HGDIOBJ, WORD );
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extern void GDI_ReleaseObj( HGDIOBJ );
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extern void GDI_CheckNotLock(void);
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extern const DC_FUNCTIONS *DRIVER_load_driver( LPCSTR name );
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extern const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs );
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extern void DRIVER_release_driver( const DC_FUNCTIONS *funcs );
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extern BOOL DRIVER_GetDriverName( LPCSTR device, LPSTR driver, DWORD size );
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extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut );
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extern DC * DC_AllocDC( const DC_FUNCTIONS *funcs );
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extern DC * DC_GetDCPtr( HDC hdc );
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extern DC * DC_GetDCUpdate( HDC hdc );
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extern void DC_InitDC( DC * dc );
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extern void DC_UpdateXforms( DC * dc );
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#define CLIP_INTERSECT 0x0001
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#define CLIP_EXCLUDE 0x0002
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#define CLIP_KEEPRGN 0x0004
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/* objects/clipping.c */
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INT CLIPPING_IntersectClipRect( DC * dc, INT left, INT top,
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INT right, INT bottom, UINT flags );
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INT CLIPPING_IntersectVisRect( DC * dc, INT left, INT top,
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INT right, INT bottom, BOOL exclude );
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extern void CLIPPING_UpdateGCRegion( DC * dc );
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/* objects/enhmetafile.c */
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extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk );
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#define WINE_GGO_GRAY16_BITMAP 0x7f
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#endif /* __WINE_GDI_H */
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