452 lines
17 KiB
C
452 lines
17 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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#ifndef __WINE_GDI_H
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#define __WINE_GDI_H
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#include "config.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 "ldt.h"
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#include "local.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 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 MAGIC_DONTCARE 0xffff
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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 tagDeviceCaps
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{
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WORD version; /* 0: driver version */
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WORD technology; /* 2: device technology */
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WORD horzSize; /* 4: width of display in mm */
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WORD vertSize; /* 6: height of display in mm */
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WORD horzRes; /* 8: width of display in pixels */
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WORD vertRes; /* 10: width of display in pixels */
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WORD bitsPixel; /* 12: bits per pixel */
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WORD planes; /* 14: color planes */
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WORD numBrushes; /* 16: device-specific brushes */
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WORD numPens; /* 18: device-specific pens */
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WORD numMarkers; /* 20: device-specific markers */
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WORD numFonts; /* 22: device-specific fonts */
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WORD numColors; /* 24: size of color table */
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WORD pdeviceSize; /* 26: size of PDEVICE structure */
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WORD curveCaps; /* 28: curve capabilities */
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WORD lineCaps; /* 30: line capabilities */
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WORD polygonalCaps; /* 32: polygon capabilities */
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WORD textCaps; /* 34: text capabilities */
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WORD clipCaps; /* 36: clipping capabilities */
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WORD rasterCaps; /* 38: raster capabilities */
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WORD aspectX; /* 40: relative width of device pixel */
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WORD aspectY; /* 42: relative height of device pixel */
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WORD aspectXY; /* 44: relative diagonal width of device pixel */
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WORD pad1[21]; /* 46-86: reserved */
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WORD logPixelsX; /* 88: pixels / logical X inch */
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WORD logPixelsY; /* 90: pixels / logical Y inch */
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WORD pad2[6]; /* 92-102: reserved */
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WORD sizePalette; /* 104: entries in system palette */
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WORD numReserved; /* 106: reserved entries */
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WORD colorRes; /* 108: color resolution */
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} DeviceCaps;
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typedef struct tagGDI_DRIVER
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{
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BOOL (*pInitialize)(void);
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void (*pFinalize)(void);
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} GDI_DRIVER;
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extern GDI_DRIVER *GDI_Driver;
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/* Device independent DC information */
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typedef struct
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{
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int flags;
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const DeviceCaps *devCaps;
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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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HBITMAP16 hFirstBitmap; /* Bitmap selected at creation of the DC */
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HANDLE16 hDevice;
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HPALETTE16 hPalette;
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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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FARPROC16 lpfnPrint; /* AbortProc for Printing */
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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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} WIN_DC_INFO;
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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;
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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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WIN_DC_INFO w;
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} DC;
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/* Device functions for the Wine driver interface */
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typedef INT (*DEVICEFONTENUMPROC)(LPENUMLOGFONT16,LPNEWTEXTMETRIC16,UINT16,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 (*pArc)(DC*,INT,INT,INT,INT,INT,INT,INT,INT);
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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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BOOL (*pChord)(DC*,INT,INT,INT,INT,INT,INT,INT,INT);
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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);
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HBITMAP16 (*pCreateDIBSection16)(DC *,BITMAPINFO *,UINT16,SEGPTR *,HANDLE,
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DWORD);
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BOOL (*pDeleteDC)(DC*);
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BOOL (*pDeleteObject)(HGDIOBJ);
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DWORD (*pDeviceCapabilities)(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 (*pEnumDeviceFonts)(DC*,LPLOGFONT16,DEVICEFONTENUMPROC,LPARAM);
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INT (*pEscape)(DC*,INT,INT,SEGPTR,SEGPTR);
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INT (*pExcludeClipRect)(DC*,INT,INT,INT,INT);
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INT (*pExtDeviceMode)(HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,
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DWORD);
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BOOL (*pExtFloodFill)(DC*,INT,INT,COLORREF,UINT);
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BOOL (*pExtTextOut)(DC*,INT,INT,UINT,const RECT*,LPCSTR,UINT,
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const INT*);
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BOOL (*pFillRgn)(DC*,HRGN,HBRUSH);
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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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COLORREF (*pGetPixel)(DC*,INT,INT);
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BOOL (*pGetTextExtentPoint)(DC*,LPCSTR,INT,LPSIZE);
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BOOL (*pGetTextMetrics)(DC*,TEXTMETRICA*);
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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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HANDLE (*pLoadOEMResource)(WORD,WORD);
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BOOL (*pMoveToEx)(DC*,INT,INT,LPPOINT);
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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 (*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 (*pPolyBezier)(DC*,POINT, const POINT*,DWORD);
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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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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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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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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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} DC_FUNCTIONS;
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/* LoadOEMResource types */
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#define OEM_BITMAP 1
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#define OEM_CURSOR 2
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#define OEM_ICON 3
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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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/* Last 32 bytes are reserved for stock object handles */
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#define GDI_HEAP_SIZE 0xffe0
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/* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
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#define FIRST_STOCK_HANDLE GDI_HEAP_SIZE
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/* Stock objects handles */
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#define NB_STOCK_OBJECTS (DEFAULT_GUI_FONT + 1)
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#define STOCK_WHITE_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+WHITE_BRUSH))
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#define STOCK_LTGRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+LTGRAY_BRUSH))
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#define STOCK_GRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+GRAY_BRUSH))
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#define STOCK_DKGRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+DKGRAY_BRUSH))
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#define STOCK_BLACK_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+BLACK_BRUSH))
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#define STOCK_NULL_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+NULL_BRUSH))
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#define STOCK_HOLLOW_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+HOLLOW_BRUSH))
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#define STOCK_WHITE_PEN ((HPEN16)(FIRST_STOCK_HANDLE+WHITE_PEN))
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#define STOCK_BLACK_PEN ((HPEN16)(FIRST_STOCK_HANDLE+BLACK_PEN))
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#define STOCK_NULL_PEN ((HPEN16)(FIRST_STOCK_HANDLE+NULL_PEN))
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#define STOCK_OEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+OEM_FIXED_FONT))
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#define STOCK_ANSI_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_FIXED_FONT))
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#define STOCK_ANSI_VAR_FONT ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_VAR_FONT))
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#define STOCK_SYSTEM_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FONT))
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#define STOCK_DEVICE_DEFAULT_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEVICE_DEFAULT_FONT))
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#define STOCK_DEFAULT_PALETTE ((HPALETTE16)(FIRST_STOCK_HANDLE+DEFAULT_PALETTE))
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#define STOCK_SYSTEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FIXED_FONT))
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#define STOCK_DEFAULT_GUI_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEFAULT_GUI_FONT))
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#define FIRST_STOCK_FONT STOCK_OEM_FIXED_FONT
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#define LAST_STOCK_FONT STOCK_DEFAULT_GUI_FONT
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#define LAST_STOCK_HANDLE ((DWORD)STOCK_DEFAULT_GUI_FONT)
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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->w.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->w.xformVport2World.eM11 +
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y * dc->w.xformVport2World.eM21 +
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dc->w.xformVport2World.eDx;
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point->y = x * dc->w.xformVport2World.eM12 +
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y * dc->w.xformVport2World.eM22 +
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dc->w.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->w.xformWorld2Vport.eM11 +
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y * dc->w.xformWorld2Vport.eM21 +
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dc->w.xformWorld2Vport.eDx;
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point->y = x * dc->w.xformWorld2Vport.eM12 +
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y * dc->w.xformWorld2Vport.eM22 +
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dc->w.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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#define XDPTOLP(dc,x) \
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(((x)-(dc)->vportOrgX) * (dc)->wndExtX / (dc)->vportExtX+(dc)->wndOrgX)
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#define YDPTOLP(dc,y) \
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(((y)-(dc)->vportOrgY) * (dc)->wndExtY / (dc)->vportExtY+(dc)->wndOrgY)
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#define XLPTODP(dc,x) \
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(((x)-(dc)->wndOrgX) * (dc)->vportExtX / (dc)->wndExtX+(dc)->vportOrgX)
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#define YLPTODP(dc,y) \
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(((y)-(dc)->wndOrgY) * (dc)->vportExtY / (dc)->wndExtY+(dc)->vportOrgY)
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/* Device <-> logical size conversion */
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#define XDSTOLS(dc,x) \
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((x) * (dc)->wndExtX / (dc)->vportExtX)
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#define YDSTOLS(dc,y) \
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((y) * (dc)->wndExtY / (dc)->vportExtY)
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#define XLSTODS(dc,x) \
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((x) * (dc)->vportExtX / (dc)->wndExtX)
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#define YLSTODS(dc,y) \
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((y) * (dc)->vportExtY / (dc)->wndExtY)
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/* GDI local heap */
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extern WORD GDI_HeapSel;
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#define GDI_HEAP_ALLOC(size) \
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LOCAL_Alloc( GDI_HeapSel, LMEM_FIXED, (size) )
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#define GDI_HEAP_ALLOC_MOVEABLE(size) \
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LOCAL_Alloc( GDI_HeapSel, LMEM_MOVEABLE, (size) )
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#define GDI_HEAP_REALLOC(handle,size) \
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LOCAL_ReAlloc( GDI_HeapSel, (handle), (size), LMEM_FIXED )
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#define GDI_HEAP_FREE(handle) \
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LOCAL_Free( GDI_HeapSel, (handle) )
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#define GDI_HEAP_LOCK(handle) \
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LOCAL_Lock( GDI_HeapSel, (handle) )
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#define GDI_HEAP_LOCK_SEGPTR(handle) \
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LOCAL_LockSegptr( GDI_HeapSel, (handle) )
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#define GDI_HEAP_UNLOCK(handle) \
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((((HGDIOBJ16)(handle) >= FIRST_STOCK_HANDLE) && \
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((HGDIOBJ16)(handle)<=LAST_STOCK_HANDLE)) ? \
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0 : LOCAL_Unlock( GDI_HeapSel, (handle) ))
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extern BOOL GDI_Init(void);
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extern HGDIOBJ16 GDI_AllocObject( WORD, WORD );
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extern BOOL GDI_FreeObject( HGDIOBJ16 );
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extern GDIOBJHDR * GDI_GetObjPtr( HGDIOBJ16, WORD );
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extern BOOL DRIVER_RegisterDriver( LPCSTR name, const DC_FUNCTIONS *funcs );
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extern const DC_FUNCTIONS *DRIVER_FindDriver( LPCSTR name );
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extern BOOL DRIVER_UnregisterDriver( LPCSTR name );
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extern BOOL DRIVER_GetDriverName( LPCSTR device, LPSTR driver, DWORD size );
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#endif /* __WINE_GDI_H */
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