dlls/gdi/gdi_private.h

   1 /*
   2  * GDI definitions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __WINE_GDI_PRIVATE_H
  22 #define __WINE_GDI_PRIVATE_H
  23
  24 /* Metafile defines */
  25 #define META_EOF 0x0000
  26 /* values of mtType in METAHEADER.  Note however that the disk image of a disk
  27    based metafile has mtType == 1 */
  28 #define METAFILE_MEMORY 1
  29 #define METAFILE_DISK   2
  30
  31 struct gdi_obj_funcs
  32 {
  33     HGDIOBJ (*pSelectObject)( HGDIOBJ handle, void *obj, HDC hdc );
  34     INT     (*pGetObject16)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
  35     INT     (*pGetObjectA)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
  36     INT     (*pGetObjectW)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
  37     BOOL    (*pUnrealizeObject)( HGDIOBJ handle, void *obj );
  38     BOOL    (*pDeleteObject)( HGDIOBJ handle, void *obj );
  39 };
  40
  41 struct hdc_list
  42 {
  43     HDC hdc;
  44     struct hdc_list *next;
  45 };
  46
  47 /* Device functions for the Wine driver interface */
  48
  49 typedef struct { int opaque; } *PHYSDEV;  /* PHYSDEV is an opaque pointer */
  50
  51 typedef struct tagDC_FUNCS
  52 {
  53     INT      (*pAbortDoc)(PHYSDEV);
  54     BOOL     (*pAbortPath)(PHYSDEV);
  55     BOOL     (*pAlphaBlend)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,BLENDFUNCTION);
  56     BOOL     (*pAngleArc)(PHYSDEV,INT,INT,DWORD,FLOAT,FLOAT);
  57     BOOL     (*pArc)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
  58     BOOL     (*pArcTo)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
  59     BOOL     (*pBeginPath)(PHYSDEV);
  60     BOOL     (*pBitBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,DWORD);
  61     INT      (*pChoosePixelFormat)(PHYSDEV,const PIXELFORMATDESCRIPTOR *);
  62     BOOL     (*pChord)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
  63     BOOL     (*pCloseFigure)(PHYSDEV);
  64     BOOL     (*pCreateBitmap)(PHYSDEV,HBITMAP);
  65     BOOL     (*pCreateDC)(HDC,PHYSDEV *,LPCWSTR,LPCWSTR,LPCWSTR,const DEVMODEW*);
  66     HBITMAP  (*pCreateDIBSection)(PHYSDEV,const BITMAPINFO *,UINT,VOID **,HANDLE,DWORD,DWORD);
  67     BOOL     (*pDeleteBitmap)(HBITMAP);
  68     BOOL     (*pDeleteDC)(PHYSDEV);
  69     BOOL     (*pDeleteObject)(PHYSDEV,HGDIOBJ);
  70     INT      (*pDescribePixelFormat)(PHYSDEV,INT,UINT,PIXELFORMATDESCRIPTOR *);
  71     DWORD    (*pDeviceCapabilities)(LPSTR,LPCSTR,LPCSTR,WORD,LPSTR,LPDEVMODEA);
  72     BOOL     (*pEllipse)(PHYSDEV,INT,INT,INT,INT);
  73     INT      (*pEndDoc)(PHYSDEV);
  74     INT      (*pEndPage)(PHYSDEV);
  75     BOOL     (*pEndPath)(PHYSDEV);
  76     BOOL     (*pEnumDeviceFonts)(PHYSDEV,LPLOGFONTW,FONTENUMPROCW,LPARAM);
  77     INT      (*pExcludeClipRect)(PHYSDEV,INT,INT,INT,INT);
  78     INT      (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
  79     INT      (*pExtEscape)(PHYSDEV,INT,INT,LPCVOID,INT,LPVOID);
  80     BOOL     (*pExtFloodFill)(PHYSDEV,INT,INT,COLORREF,UINT);
  81     INT      (*pExtSelectClipRgn)(PHYSDEV,HRGN,INT);
  82     BOOL     (*pExtTextOut)(PHYSDEV,INT,INT,UINT,const RECT*,LPCWSTR,UINT,const INT*,INT);
  83     BOOL     (*pFillPath)(PHYSDEV);
  84     BOOL     (*pFillRgn)(PHYSDEV,HRGN,HBRUSH);
  85     BOOL     (*pFlattenPath)(PHYSDEV);
  86     BOOL     (*pFrameRgn)(PHYSDEV,HRGN,HBRUSH,INT,INT);
  87     BOOL     (*pGdiComment)(PHYSDEV,UINT,CONST BYTE*);
  88     LONG     (*pGetBitmapBits)(HBITMAP,void*,LONG);
  89     BOOL     (*pGetCharWidth)(PHYSDEV,UINT,UINT,LPINT);
  90     BOOL     (*pGetDCOrgEx)(PHYSDEV,LPPOINT);
  91     UINT     (*pGetDIBColorTable)(PHYSDEV,UINT,UINT,RGBQUAD*);
  92     INT      (*pGetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPVOID,BITMAPINFO*,UINT);
  93     INT      (*pGetDeviceCaps)(PHYSDEV,INT);
  94     BOOL     (*pGetDeviceGammaRamp)(PHYSDEV,LPVOID);
  95     COLORREF (*pGetNearestColor)(PHYSDEV,COLORREF);
  96     COLORREF (*pGetPixel)(PHYSDEV,INT,INT);
  97     INT      (*pGetPixelFormat)(PHYSDEV);
  98     UINT     (*pGetSystemPaletteEntries)(PHYSDEV,UINT,UINT,LPPALETTEENTRY);
  99     BOOL     (*pGetTextExtentPoint)(PHYSDEV,LPCWSTR,INT,LPSIZE);
 100     BOOL     (*pGetTextMetrics)(PHYSDEV,TEXTMETRICW*);
 101     INT      (*pIntersectClipRect)(PHYSDEV,INT,INT,INT,INT);
 102     BOOL     (*pInvertRgn)(PHYSDEV,HRGN);
 103     BOOL     (*pLineTo)(PHYSDEV,INT,INT);
 104     BOOL     (*pModifyWorldTransform)(PHYSDEV,const XFORM*,INT);
 105     BOOL     (*pMoveTo)(PHYSDEV,INT,INT);
 106     INT      (*pOffsetClipRgn)(PHYSDEV,INT,INT);
 107     INT      (*pOffsetViewportOrg)(PHYSDEV,INT,INT);
 108     INT      (*pOffsetWindowOrg)(PHYSDEV,INT,INT);
 109     BOOL     (*pPaintRgn)(PHYSDEV,HRGN);
 110     BOOL     (*pPatBlt)(PHYSDEV,INT,INT,INT,INT,DWORD);
 111     BOOL     (*pPie)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
 112     BOOL     (*pPolyBezier)(PHYSDEV,const POINT*,DWORD);
 113     BOOL     (*pPolyBezierTo)(PHYSDEV,const POINT*,DWORD);
 114     BOOL     (*pPolyDraw)(PHYSDEV,const POINT*,const BYTE *,DWORD);
 115     BOOL     (*pPolyPolygon)(PHYSDEV,const POINT*,const INT*,UINT);
 116     BOOL     (*pPolyPolyline)(PHYSDEV,const POINT*,const DWORD*,DWORD);
 117     BOOL     (*pPolygon)(PHYSDEV,const POINT*,INT);
 118     BOOL     (*pPolyline)(PHYSDEV,const POINT*,INT);
 119     BOOL     (*pPolylineTo)(PHYSDEV,const POINT*,INT);
 120     UINT     (*pRealizeDefaultPalette)(PHYSDEV);
 121     UINT     (*pRealizePalette)(PHYSDEV,HPALETTE,BOOL);
 122     BOOL     (*pRectangle)(PHYSDEV,INT,INT,INT,INT);
 123     HDC      (*pResetDC)(PHYSDEV,const DEVMODEW*);
 124     BOOL     (*pRestoreDC)(PHYSDEV,INT);
 125     BOOL     (*pRoundRect)(PHYSDEV,INT,INT,INT,INT,INT,INT);
 126     INT      (*pSaveDC)(PHYSDEV);
 127     INT      (*pScaleViewportExt)(PHYSDEV,INT,INT,INT,INT);
 128     INT      (*pScaleWindowExt)(PHYSDEV,INT,INT,INT,INT);
 129     HBITMAP  (*pSelectBitmap)(PHYSDEV,HBITMAP);
 130     HBRUSH   (*pSelectBrush)(PHYSDEV,HBRUSH);
 131     BOOL     (*pSelectClipPath)(PHYSDEV,INT);
 132     HFONT    (*pSelectFont)(PHYSDEV,HFONT,HANDLE);
 133     HPALETTE (*pSelectPalette)(PHYSDEV,HPALETTE,BOOL);
 134     HPEN     (*pSelectPen)(PHYSDEV,HPEN);
 135     INT      (*pSetArcDirection)(PHYSDEV,INT);
 136     LONG     (*pSetBitmapBits)(HBITMAP,const void*,LONG);
 137     COLORREF (*pSetBkColor)(PHYSDEV,COLORREF);
 138     INT      (*pSetBkMode)(PHYSDEV,INT);
 139     COLORREF (*pSetDCBrushColor)(PHYSDEV, COLORREF);
 140     DWORD    (*pSetDCOrg)(PHYSDEV,INT,INT);
 141     COLORREF (*pSetDCPenColor)(PHYSDEV, COLORREF);
 142     UINT     (*pSetDIBColorTable)(PHYSDEV,UINT,UINT,const RGBQUAD*);
 143     INT      (*pSetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPCVOID,const BITMAPINFO*,UINT);
 144     INT      (*pSetDIBitsToDevice)(PHYSDEV,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT,LPCVOID,
 145                                    const BITMAPINFO*,UINT);
 146     VOID     (*pSetDeviceClipping)(PHYSDEV,HRGN,HRGN);
 147     BOOL     (*pSetDeviceGammaRamp)(PHYSDEV,LPVOID);
 148     INT      (*pSetMapMode)(PHYSDEV,INT);
 149     DWORD    (*pSetMapperFlags)(PHYSDEV,DWORD);
 150     COLORREF (*pSetPixel)(PHYSDEV,INT,INT,COLORREF);
 151     BOOL     (*pSetPixelFormat)(PHYSDEV,INT,const PIXELFORMATDESCRIPTOR *);
 152     INT      (*pSetPolyFillMode)(PHYSDEV,INT);
 153     INT      (*pSetROP2)(PHYSDEV,INT);
 154     INT      (*pSetRelAbs)(PHYSDEV,INT);
 155     INT      (*pSetStretchBltMode)(PHYSDEV,INT);
 156     UINT     (*pSetTextAlign)(PHYSDEV,UINT);
 157     INT      (*pSetTextCharacterExtra)(PHYSDEV,INT);
 158     DWORD    (*pSetTextColor)(PHYSDEV,DWORD);
 159     INT      (*pSetTextJustification)(PHYSDEV,INT,INT);
 160     INT      (*pSetViewportExt)(PHYSDEV,INT,INT);
 161     INT      (*pSetViewportOrg)(PHYSDEV,INT,INT);
 162     INT      (*pSetWindowExt)(PHYSDEV,INT,INT);
 163     INT      (*pSetWindowOrg)(PHYSDEV,INT,INT);
 164     BOOL     (*pSetWorldTransform)(PHYSDEV,const XFORM*);
 165     INT      (*pStartDoc)(PHYSDEV,const DOCINFOA*);
 166     INT      (*pStartPage)(PHYSDEV);
 167     BOOL     (*pStretchBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,DWORD);
 168     INT      (*pStretchDIBits)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT,const void *,
 169                                const BITMAPINFO*,UINT,DWORD);
 170     BOOL     (*pStrokeAndFillPath)(PHYSDEV);
 171     BOOL     (*pStrokePath)(PHYSDEV);
 172     BOOL     (*pSwapBuffers)(PHYSDEV);
 173     BOOL     (*pWidenPath)(PHYSDEV);
 174 } DC_FUNCTIONS;
 175
 176 /* It should not be necessary to access the contents of the GdiPath
 177  * structure directly; if you find that the exported functions don't
 178  * allow you to do what you want, then please place a new exported
 179  * function that does this job in path.c.
 180  */
 181 typedef enum tagGdiPathState
 182 {
 183    PATH_Null,
 184    PATH_Open,
 185    PATH_Closed
 186 } GdiPathState;
 187
 188 typedef struct tagGdiPath
 189 {
 190    GdiPathState state;
 191    POINT      *pPoints;
 192    BYTE         *pFlags;
 193    int          numEntriesUsed, numEntriesAllocated;
 194    BOOL       newStroke;
 195 } GdiPath;
 196
 197 typedef struct tagGdiFont *GdiFont;
 198
 199 typedef struct tagDC
 200 {
 201     GDIOBJHDR    header;
 202     HDC          hSelf;            /* Handle to this DC */
 203     const struct tagDC_FUNCS *funcs; /* DC function table */
 204     PHYSDEV      physDev;         /* Physical device (driver-specific) */
 205     INT          saveLevel;
 206     DWORD        dwHookData;
 207     FARPROC16    hookProc;         /* the original SEGPTR ... */
 208     DCHOOKPROC   hookThunk;        /* ... and the thunk to call it */
 209
 210     INT          wndOrgX;          /* Window origin */
 211     INT          wndOrgY;
 212     INT          wndExtX;          /* Window extent */
 213     INT          wndExtY;
 214     INT          vportOrgX;        /* Viewport origin */
 215     INT          vportOrgY;
 216     INT          vportExtX;        /* Viewport extent */
 217     INT          vportExtY;
 218     FLOAT        miterLimit;
 219
 220     int           flags;
 221     HRGN          hClipRgn;     /* Clip region (may be 0) */
 222     HRGN          hVisRgn;      /* Visible region (must never be 0) */
 223     HPEN          hPen;
 224     HBRUSH        hBrush;
 225     HFONT         hFont;
 226     HBITMAP       hBitmap;
 227     HANDLE        hDevice;
 228     HPALETTE      hPalette;
 229
 230     GdiFont       gdiFont;
 231     GdiPath       path;
 232
 233     WORD          ROPmode;
 234     WORD          polyFillMode;
 235     WORD          stretchBltMode;
 236     WORD          relAbsMode;
 237     WORD          backgroundMode;
 238     COLORREF      backgroundColor;
 239     COLORREF      textColor;
 240     COLORREF      dcBrushColor;
 241     COLORREF      dcPenColor;
 242     short         brushOrgX;
 243     short         brushOrgY;
 244
 245     WORD          textAlign;         /* Text alignment from SetTextAlign() */
 246     INT           charExtra;         /* Spacing from SetTextCharacterExtra() */
 247     INT           breakExtra;        /* breakTotalExtra / breakCount */
 248     INT           breakRem;          /* breakTotalExtra % breakCount */
 249     INT           MapMode;
 250     INT           GraphicsMode;      /* Graphics mode */
 251     ABORTPROC     pAbortProc;        /* AbortProc for Printing */
 252     ABORTPROC16   pAbortProc16;
 253     INT           CursPosX;          /* Current position */
 254     INT           CursPosY;
 255     INT           ArcDirection;
 256     XFORM         xformWorld2Wnd;    /* World-to-window transformation */
 257     XFORM         xformWorld2Vport;  /* World-to-viewport transformation */
 258     XFORM         xformVport2World;  /* Inverse of the above transformation */
 259     BOOL          vport2WorldValid;  /* Is xformVport2World valid? */
 260     RECT          BoundsRect;        /* Current bounding rect */
 261 } DC;
 262
 263   /* DC flags */
 264 #define DC_SAVED         0x0002   /* It is a saved DC */
 265 #define DC_DIRTY         0x0004   /* hVisRgn has to be updated */
 266 #define DC_BOUNDS_ENABLE 0x0008   /* Bounding rectangle tracking is enabled */
 267 #define DC_BOUNDS_SET    0x0010   /* Bounding rectangle has been set */
 268
 269 /* Certain functions will do no further processing if the driver returns this.
 270    Used by mfdrv for example. */
 271 #define GDI_NO_MORE_WORK 2
 272
 273 /* Rounds a floating point number to integer. The world-to-viewport
 274  * transformation process is done in floating point internally. This function
 275  * is then used to round these coordinates to integer values.
 276  */
 277 static inline INT GDI_ROUND(FLOAT val)
 278 {
 279    return (int)floor(val + 0.5);
 280 }
 281
 282 /* bidi.c */
 283
 284 /* Wine_GCPW Flags */
 285 /* Directionality -
 286  * LOOSE means that the paragraph dir is only set if there is no strong character.
 287  * FORCE means override the characters in the paragraph.
 288  */
 289 #define WINE_GCPW_FORCE_LTR 0
 290 #define WINE_GCPW_FORCE_RTL 1
 291 #define WINE_GCPW_LOOSE_LTR 2
 292 #define WINE_GCPW_LOOSE_RTL 3
 293 #define WINE_GCPW_DIR_MASK 3
 294 extern BOOL BIDI_Reorder( LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
 295                           LPWSTR lpOutString, INT uCountOut, UINT *lpOrder );
 296 extern BOOL BidiAvail;
 297
 298 /* bitmap.c */
 299 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap );
 300 extern BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, DC *dc );
 301 extern INT BITMAP_GetWidthBytes( INT bmWidth, INT bpp );
 302
 303 /* clipping.c */
 304 extern void CLIPPING_UpdateGCRegion( DC * dc );
 305
 306 /* dc.c */
 307 extern DC * DC_AllocDC( const DC_FUNCTIONS *funcs, WORD magic );
 308 extern DC * DC_GetDCUpdate( HDC hdc );
 309 extern DC * DC_GetDCPtr( HDC hdc );
 310 extern void DC_InitDC( DC * dc );
 311 extern void DC_UpdateXforms( DC * dc );
 312
 313 /* dib.c */
 314 extern int DIB_GetDIBWidthBytes( int width, int depth );
 315 extern int DIB_GetDIBImageBytes( int width, int height, int depth );
 316 extern int DIB_BitmapInfoSize( const BITMAPINFO * info, WORD coloruse );
 317
 318 /* driver.c */
 319 extern const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name );
 320 extern const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs );
 321 extern void DRIVER_release_driver( const DC_FUNCTIONS *funcs );
 322 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size );
 323
 324 /* enhmetafile.c */
 325 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk );
 326
 327 /* freetype.c */
 328 extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID);
 329 extern GdiFont WineEngCreateFontInstance(DC*, HFONT);
 330 extern BOOL WineEngDestroyFontInstance(HFONT handle);
 331 extern DWORD WineEngEnumFonts(LPLOGFONTW, FONTENUMPROCW, LPARAM);
 332 extern BOOL WineEngGetCharABCWidths(GdiFont font, UINT firstChar,
 333                                     UINT lastChar, LPABC buffer);
 334 extern BOOL WineEngGetCharWidth(GdiFont, UINT, UINT, LPINT);
 335 extern DWORD WineEngGetFontData(GdiFont, DWORD, DWORD, LPVOID, DWORD);
 336 extern DWORD WineEngGetGlyphIndices(GdiFont font, LPCWSTR lpstr, INT count,
 337                                     LPWORD pgi, DWORD flags);
 338 extern DWORD WineEngGetGlyphOutline(GdiFont, UINT glyph, UINT format,
 339                                     LPGLYPHMETRICS, DWORD buflen, LPVOID buf,
 340                                     const MAT2*);
 341 extern UINT WineEngGetOutlineTextMetrics(GdiFont, UINT, LPOUTLINETEXTMETRICW);
 342 extern UINT WineEngGetTextCharsetInfo(GdiFont font, LPFONTSIGNATURE fs, DWORD flags);
 343 extern BOOL WineEngGetTextExtentPoint(GdiFont, LPCWSTR, INT, LPSIZE);
 344 extern BOOL WineEngGetTextExtentPointI(GdiFont, const WORD *, INT, LPSIZE);
 345 extern INT  WineEngGetTextFace(GdiFont, INT, LPWSTR);
 346 extern BOOL WineEngGetTextMetrics(GdiFont, LPTEXTMETRICW);
 347 extern BOOL WineEngInit(void);
 348 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID);
 349
 350 /* gdiobj.c */
 351 extern BOOL GDI_Init(void);
 352 extern void *GDI_AllocObject( WORD, WORD, HGDIOBJ *, const struct gdi_obj_funcs *funcs );
 353 extern void *GDI_ReallocObject( WORD, HGDIOBJ, void *obj );
 354 extern BOOL GDI_FreeObject( HGDIOBJ, void *obj );
 355 extern void GDI_CheckNotLock(void);
 356 extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc);
 357 extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc);
 358
 359 /* metafile.c */
 360 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh);
 361 extern HMETAFILE16 MF_Create_HMETAFILE16(METAHEADER *mh);
 362 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode );
 363
 364 /* path.c */
 365
 366 #define PATH_IsPathOpen(path) ((path).state==PATH_Open)
 367 /* Returns TRUE if the specified path is in the open state, i.e. in the
 368  * state where points will be added to the path, or FALSE otherwise. This
 369  * function is implemented as a macro for performance reasons.
 370  */
 371
 372 extern void PATH_InitGdiPath(GdiPath *pPath);
 373 extern void PATH_DestroyGdiPath(GdiPath *pPath);
 374 extern BOOL PATH_AssignGdiPath(GdiPath *pPathDest, const GdiPath *pPathSrc);
 375
 376 extern BOOL PATH_MoveTo(DC *dc);
 377 extern BOOL PATH_LineTo(DC *dc, INT x, INT y);
 378 extern BOOL PATH_Rectangle(DC *dc, INT x1, INT y1, INT x2, INT y2);
 379 extern BOOL PATH_Ellipse(DC *dc, INT x1, INT y1, INT x2, INT y2);
 380 extern BOOL PATH_Arc(DC *dc, INT x1, INT y1, INT x2, INT y2,
 381                      INT xStart, INT yStart, INT xEnd, INT yEnd, INT lines);
 382 extern BOOL PATH_PolyBezierTo(DC *dc, const POINT *pt, DWORD cbCount);
 383 extern BOOL PATH_PolyBezier(DC *dc, const POINT *pt, DWORD cbCount);
 384 extern BOOL PATH_PolylineTo(DC *dc, const POINT *pt, DWORD cbCount);
 385 extern BOOL PATH_Polyline(DC *dc, const POINT *pt, DWORD cbCount);
 386 extern BOOL PATH_Polygon(DC *dc, const POINT *pt, DWORD cbCount);
 387 extern BOOL PATH_PolyPolyline(DC *dc, const POINT *pt, const DWORD *counts, DWORD polylines);
 388 extern BOOL PATH_PolyPolygon(DC *dc, const POINT *pt, const INT *counts, UINT polygons);
 389 extern BOOL PATH_RoundRect(DC *dc, INT x1, INT y1, INT x2, INT y2, INT ell_width, INT ell_height);
 390 extern BOOL PATH_AddEntry(GdiPath *pPath, const POINT *pPoint, BYTE flags);
 391
 392 /* painting.c */
 393 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut );
 394
 395 /* palette.c */
 396 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg);
 397 extern UINT WINAPI GDIRealizePalette( HDC hdc );
 398 extern HPALETTE PALETTE_Init(void);
 399
 400 /* region.c */
 401 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y );
 402
 403 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal enties */
 404 #define DIB_PAL_MONO 2
 405 #endif /* __WINE_GDI_PRIVATE_H */