dlls/gdi32/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __WINE_GDI_PRIVATE_H
  22 #define __WINE_GDI_PRIVATE_H
  23
  24 #include <math.h>
  25 #include "wine/wingdi16.h"
  26
  27 /* Metafile defines */
  28 #define META_EOF 0x0000
  29 /* values of mtType in METAHEADER.  Note however that the disk image of a disk
  30    based metafile has mtType == 1 */
  31 #define METAFILE_MEMORY 1
  32 #define METAFILE_DISK   2
  33 #define MFHEADERSIZE (sizeof(METAHEADER))
  34 #define MFVERSION 0x300
  35
  36 typedef struct {
  37     EMR   emr;
  38     INT   nBreakExtra;
  39     INT   nBreakCount;
  40 } EMRSETTEXTJUSTIFICATION, *PEMRSETTEXTJUSTIFICATION;
  41
  42 /* extra stock object: default 1x1 bitmap for memory DCs */
  43 #define DEFAULT_BITMAP (STOCK_LAST+1)
  44
  45   /* GDI objects magic numbers */
  46 #define FIRST_MAGIC           0x4f47
  47 #define PEN_MAGIC             0x4f47
  48 #define BRUSH_MAGIC           0x4f48
  49 #define FONT_MAGIC            0x4f49
  50 #define PALETTE_MAGIC         0x4f4a
  51 #define BITMAP_MAGIC          0x4f4b
  52 #define REGION_MAGIC          0x4f4c
  53 #define DC_MAGIC              0x4f4d
  54 #define DISABLED_DC_MAGIC     0x4f4e
  55 #define META_DC_MAGIC         0x4f4f
  56 #define METAFILE_MAGIC        0x4f50
  57 #define METAFILE_DC_MAGIC     0x4f51
  58 #define ENHMETAFILE_MAGIC     0x4f52
  59 #define ENHMETAFILE_DC_MAGIC  0x4f53
  60 #define MEMORY_DC_MAGIC       0x4f54
  61 #define EXT_PEN_MAGIC         0x4f55
  62 #define LAST_MAGIC            0x4f55
  63
  64 #define MAGIC_DONTCARE        0xffff
  65
  66 /* GDI constants for making objects private/system (naming undoc. !) */
  67 #define OBJECT_PRIVATE        0x2000
  68 #define OBJECT_NOSYSTEM       0x8000
  69
  70 #define GDIMAGIC(magic) ((magic) & ~(OBJECT_PRIVATE|OBJECT_NOSYSTEM))
  71
  72 struct gdi_obj_funcs
  73 {
  74     HGDIOBJ (*pSelectObject)( HGDIOBJ handle, void *obj, HDC hdc );
  75     INT     (*pGetObject16)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
  76     INT     (*pGetObjectA)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
  77     INT     (*pGetObjectW)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
  78     BOOL    (*pUnrealizeObject)( HGDIOBJ handle, void *obj );
  79     BOOL    (*pDeleteObject)( HGDIOBJ handle, void *obj );
  80 };
  81
  82 struct hdc_list
  83 {
  84     HDC hdc;
  85     struct hdc_list *next;
  86 };
  87
  88 typedef struct tagGDIOBJHDR
  89 {
  90     WORD        wMagic;
  91     DWORD       dwCount;
  92     const struct gdi_obj_funcs *funcs;
  93     struct hdc_list *hdcs;
  94 } GDIOBJHDR;
  95
  96 /* Device functions for the Wine driver interface */
  97
  98 typedef struct { int opaque; } *PHYSDEV;  /* PHYSDEV is an opaque pointer */
  99
 100 typedef struct tagDC_FUNCS
 101 {
 102     INT      (*pAbortDoc)(PHYSDEV);
 103     BOOL     (*pAbortPath)(PHYSDEV);
 104     BOOL     (*pAlphaBlend)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,BLENDFUNCTION);
 105     BOOL     (*pAngleArc)(PHYSDEV,INT,INT,DWORD,FLOAT,FLOAT);
 106     BOOL     (*pArc)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
 107     BOOL     (*pArcTo)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
 108     BOOL     (*pBeginPath)(PHYSDEV);
 109     BOOL     (*pBitBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,DWORD);
 110     INT      (*pChoosePixelFormat)(PHYSDEV,const PIXELFORMATDESCRIPTOR *);
 111     BOOL     (*pChord)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
 112     BOOL     (*pCloseFigure)(PHYSDEV);
 113     BOOL     (*pCreateBitmap)(PHYSDEV,HBITMAP,LPVOID);
 114     BOOL     (*pCreateDC)(HDC,PHYSDEV *,LPCWSTR,LPCWSTR,LPCWSTR,const DEVMODEW*);
 115     HBITMAP  (*pCreateDIBSection)(PHYSDEV,HBITMAP,const BITMAPINFO *,UINT);
 116     BOOL     (*pDeleteBitmap)(HBITMAP);
 117     BOOL     (*pDeleteDC)(PHYSDEV);
 118     BOOL     (*pDeleteObject)(PHYSDEV,HGDIOBJ);
 119     INT      (*pDescribePixelFormat)(PHYSDEV,INT,UINT,PIXELFORMATDESCRIPTOR *);
 120     DWORD    (*pDeviceCapabilities)(LPSTR,LPCSTR,LPCSTR,WORD,LPSTR,LPDEVMODEA);
 121     BOOL     (*pEllipse)(PHYSDEV,INT,INT,INT,INT);
 122     INT      (*pEndDoc)(PHYSDEV);
 123     INT      (*pEndPage)(PHYSDEV);
 124     BOOL     (*pEndPath)(PHYSDEV);
 125     BOOL     (*pEnumDeviceFonts)(PHYSDEV,LPLOGFONTW,FONTENUMPROCW,LPARAM);
 126     INT      (*pExcludeClipRect)(PHYSDEV,INT,INT,INT,INT);
 127     INT      (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
 128     INT      (*pExtEscape)(PHYSDEV,INT,INT,LPCVOID,INT,LPVOID);
 129     BOOL     (*pExtFloodFill)(PHYSDEV,INT,INT,COLORREF,UINT);
 130     INT      (*pExtSelectClipRgn)(PHYSDEV,HRGN,INT);
 131     BOOL     (*pExtTextOut)(PHYSDEV,INT,INT,UINT,const RECT*,LPCWSTR,UINT,const INT*);
 132     BOOL     (*pFillPath)(PHYSDEV);
 133     BOOL     (*pFillRgn)(PHYSDEV,HRGN,HBRUSH);
 134     BOOL     (*pFlattenPath)(PHYSDEV);
 135     BOOL     (*pFrameRgn)(PHYSDEV,HRGN,HBRUSH,INT,INT);
 136     BOOL     (*pGdiComment)(PHYSDEV,UINT,CONST BYTE*);
 137     LONG     (*pGetBitmapBits)(HBITMAP,void*,LONG);
 138     BOOL     (*pGetCharWidth)(PHYSDEV,UINT,UINT,LPINT);
 139     BOOL     (*pGetDCOrgEx)(PHYSDEV,LPPOINT);
 140     UINT     (*pGetDIBColorTable)(PHYSDEV,UINT,UINT,RGBQUAD*);
 141     INT      (*pGetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPVOID,BITMAPINFO*,UINT);
 142     INT      (*pGetDeviceCaps)(PHYSDEV,INT);
 143     BOOL     (*pGetDeviceGammaRamp)(PHYSDEV,LPVOID);
 144     COLORREF (*pGetNearestColor)(PHYSDEV,COLORREF);
 145     COLORREF (*pGetPixel)(PHYSDEV,INT,INT);
 146     INT      (*pGetPixelFormat)(PHYSDEV);
 147     UINT     (*pGetSystemPaletteEntries)(PHYSDEV,UINT,UINT,LPPALETTEENTRY);
 148     BOOL     (*pGetTextExtentExPoint)(PHYSDEV,LPCWSTR,INT,INT,LPINT,LPINT,LPSIZE);
 149     BOOL     (*pGetTextMetrics)(PHYSDEV,TEXTMETRICW*);
 150     INT      (*pIntersectClipRect)(PHYSDEV,INT,INT,INT,INT);
 151     BOOL     (*pInvertRgn)(PHYSDEV,HRGN);
 152     BOOL     (*pLineTo)(PHYSDEV,INT,INT);
 153     BOOL     (*pModifyWorldTransform)(PHYSDEV,const XFORM*,INT);
 154     BOOL     (*pMoveTo)(PHYSDEV,INT,INT);
 155     INT      (*pOffsetClipRgn)(PHYSDEV,INT,INT);
 156     INT      (*pOffsetViewportOrg)(PHYSDEV,INT,INT);
 157     INT      (*pOffsetWindowOrg)(PHYSDEV,INT,INT);
 158     BOOL     (*pPaintRgn)(PHYSDEV,HRGN);
 159     BOOL     (*pPatBlt)(PHYSDEV,INT,INT,INT,INT,DWORD);
 160     BOOL     (*pPie)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
 161     BOOL     (*pPolyBezier)(PHYSDEV,const POINT*,DWORD);
 162     BOOL     (*pPolyBezierTo)(PHYSDEV,const POINT*,DWORD);
 163     BOOL     (*pPolyDraw)(PHYSDEV,const POINT*,const BYTE *,DWORD);
 164     BOOL     (*pPolyPolygon)(PHYSDEV,const POINT*,const INT*,UINT);
 165     BOOL     (*pPolyPolyline)(PHYSDEV,const POINT*,const DWORD*,DWORD);
 166     BOOL     (*pPolygon)(PHYSDEV,const POINT*,INT);
 167     BOOL     (*pPolyline)(PHYSDEV,const POINT*,INT);
 168     BOOL     (*pPolylineTo)(PHYSDEV,const POINT*,INT);
 169     UINT     (*pRealizeDefaultPalette)(PHYSDEV);
 170     UINT     (*pRealizePalette)(PHYSDEV,HPALETTE,BOOL);
 171     BOOL     (*pRectangle)(PHYSDEV,INT,INT,INT,INT);
 172     HDC      (*pResetDC)(PHYSDEV,const DEVMODEW*);
 173     BOOL     (*pRestoreDC)(PHYSDEV,INT);
 174     BOOL     (*pRoundRect)(PHYSDEV,INT,INT,INT,INT,INT,INT);
 175     INT      (*pSaveDC)(PHYSDEV);
 176     INT      (*pScaleViewportExt)(PHYSDEV,INT,INT,INT,INT);
 177     INT      (*pScaleWindowExt)(PHYSDEV,INT,INT,INT,INT);
 178     HBITMAP  (*pSelectBitmap)(PHYSDEV,HBITMAP);
 179     HBRUSH   (*pSelectBrush)(PHYSDEV,HBRUSH);
 180     BOOL     (*pSelectClipPath)(PHYSDEV,INT);
 181     HFONT    (*pSelectFont)(PHYSDEV,HFONT,HANDLE);
 182     HPALETTE (*pSelectPalette)(PHYSDEV,HPALETTE,BOOL);
 183     HPEN     (*pSelectPen)(PHYSDEV,HPEN);
 184     INT      (*pSetArcDirection)(PHYSDEV,INT);
 185     LONG     (*pSetBitmapBits)(HBITMAP,const void*,LONG);
 186     COLORREF (*pSetBkColor)(PHYSDEV,COLORREF);
 187     INT      (*pSetBkMode)(PHYSDEV,INT);
 188     COLORREF (*pSetDCBrushColor)(PHYSDEV, COLORREF);
 189     DWORD    (*pSetDCOrg)(PHYSDEV,INT,INT);
 190     COLORREF (*pSetDCPenColor)(PHYSDEV, COLORREF);
 191     UINT     (*pSetDIBColorTable)(PHYSDEV,UINT,UINT,const RGBQUAD*);
 192     INT      (*pSetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPCVOID,const BITMAPINFO*,UINT);
 193     INT      (*pSetDIBitsToDevice)(PHYSDEV,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT,LPCVOID,
 194                                    const BITMAPINFO*,UINT);
 195     VOID     (*pSetDeviceClipping)(PHYSDEV,HRGN,HRGN);
 196     BOOL     (*pSetDeviceGammaRamp)(PHYSDEV,LPVOID);
 197     INT      (*pSetMapMode)(PHYSDEV,INT);
 198     DWORD    (*pSetMapperFlags)(PHYSDEV,DWORD);
 199     COLORREF (*pSetPixel)(PHYSDEV,INT,INT,COLORREF);
 200     BOOL     (*pSetPixelFormat)(PHYSDEV,INT,const PIXELFORMATDESCRIPTOR *);
 201     INT      (*pSetPolyFillMode)(PHYSDEV,INT);
 202     INT      (*pSetROP2)(PHYSDEV,INT);
 203     INT      (*pSetRelAbs)(PHYSDEV,INT);
 204     INT      (*pSetStretchBltMode)(PHYSDEV,INT);
 205     UINT     (*pSetTextAlign)(PHYSDEV,UINT);
 206     INT      (*pSetTextCharacterExtra)(PHYSDEV,INT);
 207     DWORD    (*pSetTextColor)(PHYSDEV,DWORD);
 208     INT      (*pSetTextJustification)(PHYSDEV,INT,INT);
 209     INT      (*pSetViewportExt)(PHYSDEV,INT,INT);
 210     INT      (*pSetViewportOrg)(PHYSDEV,INT,INT);
 211     INT      (*pSetWindowExt)(PHYSDEV,INT,INT);
 212     INT      (*pSetWindowOrg)(PHYSDEV,INT,INT);
 213     BOOL     (*pSetWorldTransform)(PHYSDEV,const XFORM*);
 214     INT      (*pStartDoc)(PHYSDEV,const DOCINFOW*);
 215     INT      (*pStartPage)(PHYSDEV);
 216     BOOL     (*pStretchBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,DWORD);
 217     INT      (*pStretchDIBits)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT,const void *,
 218                                const BITMAPINFO*,UINT,DWORD);
 219     BOOL     (*pStrokeAndFillPath)(PHYSDEV);
 220     BOOL     (*pStrokePath)(PHYSDEV);
 221     BOOL     (*pSwapBuffers)(PHYSDEV);
 222     BOOL     (*pUnrealizePalette)(HPALETTE);
 223     BOOL     (*pWidenPath)(PHYSDEV);
 224
 225     /* OpenGL32 */
 226     HGLRC    (*pwglCreateContext)(PHYSDEV);
 227     BOOL     (*pwglDeleteContext)(HGLRC);
 228     PROC     (*pwglGetProcAddress)(LPCSTR);
 229     HDC      (*pwglGetPbufferDCARB)(PHYSDEV, void*);
 230     BOOL     (*pwglMakeCurrent)(PHYSDEV, HGLRC);
 231     BOOL     (*pwglMakeContextCurrentARB)(PHYSDEV, PHYSDEV, HGLRC);
 232     BOOL     (*pwglShareLists)(HGLRC hglrc1, HGLRC hglrc2);
 233     BOOL     (*pwglUseFontBitmapsA)(PHYSDEV, DWORD, DWORD, DWORD);
 234     BOOL     (*pwglUseFontBitmapsW)(PHYSDEV, DWORD, DWORD, DWORD);
 235 } DC_FUNCTIONS;
 236
 237 /* It should not be necessary to access the contents of the GdiPath
 238  * structure directly; if you find that the exported functions don't
 239  * allow you to do what you want, then please place a new exported
 240  * function that does this job in path.c.
 241  */
 242 typedef enum tagGdiPathState
 243 {
 244    PATH_Null,
 245    PATH_Open,
 246    PATH_Closed
 247 } GdiPathState;
 248
 249 typedef struct tagGdiPath
 250 {
 251    GdiPathState state;
 252    POINT      *pPoints;
 253    BYTE         *pFlags;
 254    int          numEntriesUsed, numEntriesAllocated;
 255    BOOL       newStroke;
 256 } GdiPath;
 257
 258 typedef struct tagGdiFont GdiFont;
 259
 260 struct saved_visrgn
 261 {
 262     struct saved_visrgn *next;
 263     HRGN                 hrgn;
 264 };
 265
 266 typedef struct tagDC
 267 {
 268     GDIOBJHDR    header;
 269     HDC          hSelf;            /* Handle to this DC */
 270     const struct tagDC_FUNCS *funcs; /* DC function table */
 271     PHYSDEV      physDev;         /* Physical device (driver-specific) */
 272     INT          saveLevel;
 273     HDC          saved_dc;
 274     DWORD_PTR    dwHookData;
 275     FARPROC16    hookProc;         /* the original SEGPTR ... */
 276     DCHOOKPROC   hookThunk;        /* ... and the thunk to call it */
 277
 278     INT          wndOrgX;          /* Window origin */
 279     INT          wndOrgY;
 280     INT          wndExtX;          /* Window extent */
 281     INT          wndExtY;
 282     INT          vportOrgX;        /* Viewport origin */
 283     INT          vportOrgY;
 284     INT          vportExtX;        /* Viewport extent */
 285     INT          vportExtY;
 286     FLOAT        miterLimit;
 287
 288     int           flags;
 289     DWORD         layout;
 290     HRGN          hClipRgn;      /* Clip region (may be 0) */
 291     HRGN          hMetaRgn;      /* Meta region (may be 0) */
 292     HRGN          hMetaClipRgn;  /* Intersection of meta and clip regions (may be 0) */
 293     HRGN          hVisRgn;       /* Visible region (must never be 0) */
 294     HPEN          hPen;
 295     HBRUSH        hBrush;
 296     HFONT         hFont;
 297     HBITMAP       hBitmap;
 298     HANDLE        hDevice;
 299     HPALETTE      hPalette;
 300
 301     GdiFont      *gdiFont;
 302     GdiPath       path;
 303
 304     WORD          ROPmode;
 305     WORD          polyFillMode;
 306     WORD          stretchBltMode;
 307     WORD          relAbsMode;
 308     WORD          backgroundMode;
 309     COLORREF      backgroundColor;
 310     COLORREF      textColor;
 311     COLORREF      dcBrushColor;
 312     COLORREF      dcPenColor;
 313     short         brushOrgX;
 314     short         brushOrgY;
 315
 316     WORD          textAlign;         /* Text alignment from SetTextAlign() */
 317     INT           charExtra;         /* Spacing from SetTextCharacterExtra() */
 318     INT           breakExtra;        /* breakTotalExtra / breakCount */
 319     INT           breakRem;          /* breakTotalExtra % breakCount */
 320     INT           MapMode;
 321     INT           GraphicsMode;      /* Graphics mode */
 322     ABORTPROC     pAbortProc;        /* AbortProc for Printing */
 323     ABORTPROC16   pAbortProc16;
 324     INT           CursPosX;          /* Current position */
 325     INT           CursPosY;
 326     INT           ArcDirection;
 327     XFORM         xformWorld2Wnd;    /* World-to-window transformation */
 328     XFORM         xformWorld2Vport;  /* World-to-viewport transformation */
 329     XFORM         xformVport2World;  /* Inverse of the above transformation */
 330     BOOL          vport2WorldValid;  /* Is xformVport2World valid? */
 331     RECT          BoundsRect;        /* Current bounding rect */
 332
 333     struct saved_visrgn *saved_visrgn;
 334 } DC;
 335
 336   /* DC flags */
 337 #define DC_SAVED         0x0002   /* It is a saved DC */
 338 #define DC_DIRTY         0x0004   /* hVisRgn has to be updated */
 339 #define DC_BOUNDS_ENABLE 0x0008   /* Bounding rectangle tracking is enabled */
 340 #define DC_BOUNDS_SET    0x0010   /* Bounding rectangle has been set */
 341
 342 /* Certain functions will do no further processing if the driver returns this.
 343    Used by mfdrv for example. */
 344 #define GDI_NO_MORE_WORK 2
 345
 346 /* Rounds a floating point number to integer. The world-to-viewport
 347  * transformation process is done in floating point internally. This function
 348  * is then used to round these coordinates to integer values.
 349  */
 350 static inline INT GDI_ROUND(FLOAT val)
 351 {
 352    return (int)floor(val + 0.5);
 353 }
 354
 355 /* bitmap object */
 356
 357 typedef struct tagBITMAPOBJ
 358 {
 359     GDIOBJHDR           header;
 360     BITMAP              bitmap;
 361     SIZE                size;   /* For SetBitmapDimension() */
 362     const DC_FUNCTIONS *funcs; /* DC function table */
 363     /* For device-independent bitmaps: */
 364     DIBSECTION         *dib;
 365     SEGPTR              segptr_bits;  /* segptr to DIB bits */
 366     RGBQUAD            *color_table;  /* DIB color table if <= 8bpp */
 367     UINT                nb_colors;    /* number of colors in table */
 368 } BITMAPOBJ;
 369
 370 /* bidi.c */
 371
 372 /* Wine_GCPW Flags */
 373 /* Directionality -
 374  * LOOSE means that the paragraph dir is only set if there is no strong character.
 375  * FORCE means override the characters in the paragraph.
 376  */
 377 #define WINE_GCPW_FORCE_LTR 0
 378 #define WINE_GCPW_FORCE_RTL 1
 379 #define WINE_GCPW_LOOSE_LTR 2
 380 #define WINE_GCPW_LOOSE_RTL 3
 381 #define WINE_GCPW_DIR_MASK 3
 382 extern BOOL BIDI_Reorder( LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
 383                           LPWSTR lpOutString, INT uCountOut, UINT *lpOrder );
 384 extern BOOL BidiAvail;
 385
 386 /* bitmap.c */
 387 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap );
 388 extern BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, DC *dc );
 389 extern INT BITMAP_GetWidthBytes( INT bmWidth, INT bpp );
 390
 391 /* clipping.c */
 392 extern void CLIPPING_UpdateGCRegion( DC * dc );
 393
 394 /* dc.c */
 395 extern DC * DC_AllocDC( const DC_FUNCTIONS *funcs, WORD magic );
 396 extern DC * DC_GetDCUpdate( HDC hdc );
 397 extern DC * DC_GetDCPtr( HDC hdc );
 398 extern void DC_InitDC( DC * dc );
 399 extern void DC_UpdateXforms( DC * dc );
 400
 401 /* dib.c */
 402 extern int DIB_GetDIBWidthBytes( int width, int depth );
 403 extern int DIB_GetDIBImageBytes( int width, int height, int depth );
 404 extern int DIB_BitmapInfoSize( const BITMAPINFO * info, WORD coloruse );
 405
 406 /* driver.c */
 407 extern const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name );
 408 extern const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs );
 409 extern void DRIVER_release_driver( const DC_FUNCTIONS *funcs );
 410 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size );
 411
 412 /* enhmetafile.c */
 413 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk );
 414
 415 /* freetype.c */
 416 extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID);
 417 extern GdiFont* WineEngCreateFontInstance(DC*, HFONT);
 418 extern BOOL WineEngDestroyFontInstance(HFONT handle);
 419 extern DWORD WineEngEnumFonts(LPLOGFONTW, FONTENUMPROCW, LPARAM);
 420 extern BOOL WineEngGetCharABCWidths(GdiFont *font, UINT firstChar,
 421                                     UINT lastChar, LPABC buffer);
 422 extern BOOL WineEngGetCharABCWidthsI(GdiFont *font, UINT firstChar,
 423                                     UINT count, LPWORD pgi, LPABC buffer);
 424 extern BOOL WineEngGetCharWidth(GdiFont*, UINT, UINT, LPINT);
 425 extern DWORD WineEngGetFontData(GdiFont*, DWORD, DWORD, LPVOID, DWORD);
 426 extern DWORD WineEngGetFontUnicodeRanges(HDC, LPGLYPHSET);
 427 extern DWORD WineEngGetGlyphIndices(GdiFont *font, LPCWSTR lpstr, INT count,
 428                                     LPWORD pgi, DWORD flags);
 429 extern DWORD WineEngGetGlyphOutline(GdiFont*, UINT glyph, UINT format,
 430                                     LPGLYPHMETRICS, DWORD buflen, LPVOID buf,
 431                                     const MAT2*);
 432 extern DWORD WineEngGetKerningPairs(GdiFont*, DWORD, KERNINGPAIR *);
 433 extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph);
 434 extern UINT WineEngGetOutlineTextMetrics(GdiFont*, UINT, LPOUTLINETEXTMETRICW);
 435 extern UINT WineEngGetTextCharsetInfo(GdiFont *font, LPFONTSIGNATURE fs, DWORD flags);
 436 extern BOOL WineEngGetTextExtentExPoint(GdiFont*, LPCWSTR, INT, INT, LPINT, LPINT, LPSIZE);
 437 extern BOOL WineEngGetTextExtentPointI(GdiFont*, const WORD *, INT, LPSIZE);
 438 extern INT  WineEngGetTextFace(GdiFont*, INT, LPWSTR);
 439 extern BOOL WineEngGetTextMetrics(GdiFont*, LPTEXTMETRICW);
 440 extern BOOL WineEngInit(void);
 441 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID);
 442
 443 /* gdiobj.c */
 444 extern BOOL GDI_Init(void);
 445 extern void *GDI_AllocObject( WORD, WORD, HGDIOBJ *, const struct gdi_obj_funcs *funcs );
 446 extern void *GDI_ReallocObject( WORD, HGDIOBJ, void *obj );
 447 extern BOOL GDI_FreeObject( HGDIOBJ, void *obj );
 448 extern void *GDI_GetObjPtr( HGDIOBJ, WORD );
 449 extern void GDI_ReleaseObj( HGDIOBJ );
 450 extern void GDI_CheckNotLock(void);
 451 extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc);
 452 extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc);
 453
 454 /* metafile.c */
 455 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh);
 456 extern HMETAFILE16 MF_Create_HMETAFILE16(METAHEADER *mh);
 457 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode );
 458 extern METAHEADER *MF_ReadMetaFile(HANDLE hfile);
 459 extern METAHEADER *MF_LoadDiskBasedMetaFile(METAHEADER *mh);
 460 extern BOOL MF_PlayMetaFile( HDC hdc, METAHEADER *mh);
 461
 462 /* path.c */
 463
 464 #define PATH_IsPathOpen(path) ((path).state==PATH_Open)
 465 /* Returns TRUE if the specified path is in the open state, i.e. in the
 466  * state where points will be added to the path, or FALSE otherwise. This
 467  * function is implemented as a macro for performance reasons.
 468  */
 469
 470 extern void PATH_InitGdiPath(GdiPath *pPath);
 471 extern void PATH_DestroyGdiPath(GdiPath *pPath);
 472 extern BOOL PATH_AssignGdiPath(GdiPath *pPathDest, const GdiPath *pPathSrc);
 473
 474 extern BOOL PATH_MoveTo(DC *dc);
 475 extern BOOL PATH_LineTo(DC *dc, INT x, INT y);
 476 extern BOOL PATH_Rectangle(DC *dc, INT x1, INT y1, INT x2, INT y2);
 477 extern BOOL PATH_ExtTextOut(DC *dc, INT x, INT y, UINT flags, const RECT *lprc,
 478                             LPCWSTR str, UINT count, const INT *dx);
 479 extern BOOL PATH_Ellipse(DC *dc, INT x1, INT y1, INT x2, INT y2);
 480 extern BOOL PATH_Arc(DC *dc, INT x1, INT y1, INT x2, INT y2,
 481                      INT xStart, INT yStart, INT xEnd, INT yEnd, INT lines);
 482 extern BOOL PATH_PolyBezierTo(DC *dc, const POINT *pt, DWORD cbCount);
 483 extern BOOL PATH_PolyBezier(DC *dc, const POINT *pt, DWORD cbCount);
 484 extern BOOL PATH_PolylineTo(DC *dc, const POINT *pt, DWORD cbCount);
 485 extern BOOL PATH_Polyline(DC *dc, const POINT *pt, DWORD cbCount);
 486 extern BOOL PATH_Polygon(DC *dc, const POINT *pt, DWORD cbCount);
 487 extern BOOL PATH_PolyPolyline(DC *dc, const POINT *pt, const DWORD *counts, DWORD polylines);
 488 extern BOOL PATH_PolyPolygon(DC *dc, const POINT *pt, const INT *counts, UINT polygons);
 489 extern BOOL PATH_RoundRect(DC *dc, INT x1, INT y1, INT x2, INT y2, INT ell_width, INT ell_height);
 490 extern BOOL PATH_AddEntry(GdiPath *pPath, const POINT *pPoint, BYTE flags);
 491
 492 /* painting.c */
 493 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut );
 494
 495 /* palette.c */
 496 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg);
 497 extern UINT WINAPI GDIRealizePalette( HDC hdc );
 498 extern HPALETTE PALETTE_Init(void);
 499
 500 /* region.c */
 501 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y );
 502
 503 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
 504 #define DIB_PAL_MONO 2
 505 #endif /* __WINE_GDI_PRIVATE_H */
 506
 507 BOOL WINAPI FontIsLinked(HDC);