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 struct gdi_obj_funcs
  46 {
  47     HGDIOBJ (*pSelectObject)( HGDIOBJ handle, HDC hdc );
  48     INT     (*pGetObjectA)( HGDIOBJ handle, INT count, LPVOID buffer );
  49     INT     (*pGetObjectW)( HGDIOBJ handle, INT count, LPVOID buffer );
  50     BOOL    (*pUnrealizeObject)( HGDIOBJ handle );
  51     BOOL    (*pDeleteObject)( HGDIOBJ handle );
  52 };
  53
  54 struct hdc_list
  55 {
  56     HDC hdc;
  57     struct hdc_list *next;
  58 };
  59
  60 typedef struct tagGDIOBJHDR
  61 {
  62     WORD        type;         /* object type (one of the OBJ_* constants) */
  63     WORD        system : 1;   /* system object flag */
  64     WORD        deleted : 1;  /* whether DeleteObject has been called on this object */
  65     DWORD       selcount;     /* number of times the object is selected in a DC */
  66     const struct gdi_obj_funcs *funcs;
  67     struct hdc_list *hdcs;
  68 } GDIOBJHDR;
  69
  70 /* Device functions for the Wine driver interface */
  71
  72 typedef struct { int opaque; } *PHYSDEV;  /* PHYSDEV is an opaque pointer */
  73
  74 typedef struct tagDC_FUNCS
  75 {
  76     INT      (CDECL *pAbortDoc)(PHYSDEV);
  77     BOOL     (CDECL *pAbortPath)(PHYSDEV);
  78     BOOL     (CDECL *pAlphaBlend)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,BLENDFUNCTION);
  79     BOOL     (CDECL *pAngleArc)(PHYSDEV,INT,INT,DWORD,FLOAT,FLOAT);
  80     BOOL     (CDECL *pArc)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
  81     BOOL     (CDECL *pArcTo)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
  82     BOOL     (CDECL *pBeginPath)(PHYSDEV);
  83     BOOL     (CDECL *pBitBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,DWORD);
  84     INT      (CDECL *pChoosePixelFormat)(PHYSDEV,const PIXELFORMATDESCRIPTOR *);
  85     BOOL     (CDECL *pChord)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
  86     BOOL     (CDECL *pCloseFigure)(PHYSDEV);
  87     BOOL     (CDECL *pCreateBitmap)(PHYSDEV,HBITMAP,LPVOID);
  88     BOOL     (CDECL *pCreateDC)(HDC,PHYSDEV *,LPCWSTR,LPCWSTR,LPCWSTR,const DEVMODEW*);
  89     HBITMAP  (CDECL *pCreateDIBSection)(PHYSDEV,HBITMAP,const BITMAPINFO *,UINT);
  90     BOOL     (CDECL *pDeleteBitmap)(HBITMAP);
  91     BOOL     (CDECL *pDeleteDC)(PHYSDEV);
  92     BOOL     (CDECL *pDeleteObject)(PHYSDEV,HGDIOBJ);
  93     INT      (CDECL *pDescribePixelFormat)(PHYSDEV,INT,UINT,PIXELFORMATDESCRIPTOR *);
  94     DWORD    (CDECL *pDeviceCapabilities)(LPSTR,LPCSTR,LPCSTR,WORD,LPSTR,LPDEVMODEA);
  95     BOOL     (CDECL *pEllipse)(PHYSDEV,INT,INT,INT,INT);
  96     INT      (CDECL *pEndDoc)(PHYSDEV);
  97     INT      (CDECL *pEndPage)(PHYSDEV);
  98     BOOL     (CDECL *pEndPath)(PHYSDEV);
  99     BOOL     (CDECL *pEnumDeviceFonts)(PHYSDEV,LPLOGFONTW,FONTENUMPROCW,LPARAM);
 100     INT      (CDECL *pExcludeClipRect)(PHYSDEV,INT,INT,INT,INT);
 101     INT      (CDECL *pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
 102     INT      (CDECL *pExtEscape)(PHYSDEV,INT,INT,LPCVOID,INT,LPVOID);
 103     BOOL     (CDECL *pExtFloodFill)(PHYSDEV,INT,INT,COLORREF,UINT);
 104     INT      (CDECL *pExtSelectClipRgn)(PHYSDEV,HRGN,INT);
 105     BOOL     (CDECL *pExtTextOut)(PHYSDEV,INT,INT,UINT,const RECT*,LPCWSTR,UINT,const INT*);
 106     BOOL     (CDECL *pFillPath)(PHYSDEV);
 107     BOOL     (CDECL *pFillRgn)(PHYSDEV,HRGN,HBRUSH);
 108     BOOL     (CDECL *pFlattenPath)(PHYSDEV);
 109     BOOL     (CDECL *pFrameRgn)(PHYSDEV,HRGN,HBRUSH,INT,INT);
 110     BOOL     (CDECL *pGdiComment)(PHYSDEV,UINT,CONST BYTE*);
 111     LONG     (CDECL *pGetBitmapBits)(HBITMAP,void*,LONG);
 112     BOOL     (CDECL *pGetCharWidth)(PHYSDEV,UINT,UINT,LPINT);
 113     BOOL     (CDECL *pGetDCOrgEx)(PHYSDEV,LPPOINT);
 114     UINT     (CDECL *pGetDIBColorTable)(PHYSDEV,UINT,UINT,RGBQUAD*);
 115     INT      (CDECL *pGetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPVOID,BITMAPINFO*,UINT);
 116     INT      (CDECL *pGetDeviceCaps)(PHYSDEV,INT);
 117     BOOL     (CDECL *pGetDeviceGammaRamp)(PHYSDEV,LPVOID);
 118     BOOL     (CDECL *pGetICMProfile)(PHYSDEV,LPDWORD,LPWSTR);
 119     COLORREF (CDECL *pGetNearestColor)(PHYSDEV,COLORREF);
 120     COLORREF (CDECL *pGetPixel)(PHYSDEV,INT,INT);
 121     INT      (CDECL *pGetPixelFormat)(PHYSDEV);
 122     UINT     (CDECL *pGetSystemPaletteEntries)(PHYSDEV,UINT,UINT,LPPALETTEENTRY);
 123     BOOL     (CDECL *pGetTextExtentExPoint)(PHYSDEV,LPCWSTR,INT,INT,LPINT,LPINT,LPSIZE);
 124     BOOL     (CDECL *CDECL pGetTextMetrics)(PHYSDEV,TEXTMETRICW*);
 125     INT      (CDECL *pIntersectClipRect)(PHYSDEV,INT,INT,INT,INT);
 126     BOOL     (CDECL *pInvertRgn)(PHYSDEV,HRGN);
 127     BOOL     (CDECL *pLineTo)(PHYSDEV,INT,INT);
 128     BOOL     (CDECL *pModifyWorldTransform)(PHYSDEV,const XFORM*,INT);
 129     BOOL     (CDECL *pMoveTo)(PHYSDEV,INT,INT);
 130     INT      (CDECL *pOffsetClipRgn)(PHYSDEV,INT,INT);
 131     INT      (CDECL *pOffsetViewportOrg)(PHYSDEV,INT,INT);
 132     INT      (CDECL *pOffsetWindowOrg)(PHYSDEV,INT,INT);
 133     BOOL     (CDECL *pPaintRgn)(PHYSDEV,HRGN);
 134     BOOL     (CDECL *pPatBlt)(PHYSDEV,INT,INT,INT,INT,DWORD);
 135     BOOL     (CDECL *pPie)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
 136     BOOL     (CDECL *pPolyBezier)(PHYSDEV,const POINT*,DWORD);
 137     BOOL     (CDECL *pPolyBezierTo)(PHYSDEV,const POINT*,DWORD);
 138     BOOL     (CDECL *pPolyDraw)(PHYSDEV,const POINT*,const BYTE *,DWORD);
 139     BOOL     (CDECL *pPolyPolygon)(PHYSDEV,const POINT*,const INT*,UINT);
 140     BOOL     (CDECL *pPolyPolyline)(PHYSDEV,const POINT*,const DWORD*,DWORD);
 141     BOOL     (CDECL *pPolygon)(PHYSDEV,const POINT*,INT);
 142     BOOL     (CDECL *pPolyline)(PHYSDEV,const POINT*,INT);
 143     BOOL     (CDECL *pPolylineTo)(PHYSDEV,const POINT*,INT);
 144     UINT     (CDECL *pRealizeDefaultPalette)(PHYSDEV);
 145     UINT     (CDECL *pRealizePalette)(PHYSDEV,HPALETTE,BOOL);
 146     BOOL     (CDECL *pRectangle)(PHYSDEV,INT,INT,INT,INT);
 147     HDC      (CDECL *pResetDC)(PHYSDEV,const DEVMODEW*);
 148     BOOL     (CDECL *pRestoreDC)(PHYSDEV,INT);
 149     BOOL     (CDECL *pRoundRect)(PHYSDEV,INT,INT,INT,INT,INT,INT);
 150     INT      (CDECL *pSaveDC)(PHYSDEV);
 151     INT      (CDECL *pScaleViewportExt)(PHYSDEV,INT,INT,INT,INT);
 152     INT      (CDECL *pScaleWindowExt)(PHYSDEV,INT,INT,INT,INT);
 153     HBITMAP  (CDECL *pSelectBitmap)(PHYSDEV,HBITMAP);
 154     HBRUSH   (CDECL *pSelectBrush)(PHYSDEV,HBRUSH);
 155     BOOL     (CDECL *pSelectClipPath)(PHYSDEV,INT);
 156     HFONT    (CDECL *pSelectFont)(PHYSDEV,HFONT,HANDLE);
 157     HPALETTE (CDECL *pSelectPalette)(PHYSDEV,HPALETTE,BOOL);
 158     HPEN     (CDECL *pSelectPen)(PHYSDEV,HPEN);
 159     INT      (CDECL *pSetArcDirection)(PHYSDEV,INT);
 160     LONG     (CDECL *pSetBitmapBits)(HBITMAP,const void*,LONG);
 161     COLORREF (CDECL *pSetBkColor)(PHYSDEV,COLORREF);
 162     INT      (CDECL *pSetBkMode)(PHYSDEV,INT);
 163     COLORREF (CDECL *pSetDCBrushColor)(PHYSDEV, COLORREF);
 164     DWORD    (CDECL *pSetDCOrg)(PHYSDEV,INT,INT);
 165     COLORREF (CDECL *pSetDCPenColor)(PHYSDEV, COLORREF);
 166     UINT     (CDECL *pSetDIBColorTable)(PHYSDEV,UINT,UINT,const RGBQUAD*);
 167     INT      (CDECL *pSetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPCVOID,const BITMAPINFO*,UINT);
 168     INT      (CDECL *pSetDIBitsToDevice)(PHYSDEV,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT,LPCVOID,
 169                                            const BITMAPINFO*,UINT);
 170     VOID     (CDECL *pSetDeviceClipping)(PHYSDEV,HRGN,HRGN);
 171     BOOL     (CDECL *pSetDeviceGammaRamp)(PHYSDEV,LPVOID);
 172     INT      (CDECL *pSetMapMode)(PHYSDEV,INT);
 173     DWORD    (CDECL *pSetMapperFlags)(PHYSDEV,DWORD);
 174     COLORREF (CDECL *pSetPixel)(PHYSDEV,INT,INT,COLORREF);
 175     BOOL     (CDECL *pSetPixelFormat)(PHYSDEV,INT,const PIXELFORMATDESCRIPTOR *);
 176     INT      (CDECL *pSetPolyFillMode)(PHYSDEV,INT);
 177     INT      (CDECL *pSetROP2)(PHYSDEV,INT);
 178     INT      (CDECL *pSetRelAbs)(PHYSDEV,INT);
 179     INT      (CDECL *pSetStretchBltMode)(PHYSDEV,INT);
 180     UINT     (CDECL *pSetTextAlign)(PHYSDEV,UINT);
 181     INT      (CDECL *pSetTextCharacterExtra)(PHYSDEV,INT);
 182     DWORD    (CDECL *pSetTextColor)(PHYSDEV,DWORD);
 183     INT      (CDECL *pSetTextJustification)(PHYSDEV,INT,INT);
 184     INT      (CDECL *pSetViewportExt)(PHYSDEV,INT,INT);
 185     INT      (CDECL *pSetViewportOrg)(PHYSDEV,INT,INT);
 186     INT      (CDECL *pSetWindowExt)(PHYSDEV,INT,INT);
 187     INT      (CDECL *pSetWindowOrg)(PHYSDEV,INT,INT);
 188     BOOL     (CDECL *pSetWorldTransform)(PHYSDEV,const XFORM*);
 189     INT      (CDECL *pStartDoc)(PHYSDEV,const DOCINFOW*);
 190     INT      (CDECL *pStartPage)(PHYSDEV);
 191     BOOL     (CDECL *pStretchBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,DWORD);
 192     INT      (CDECL *pStretchDIBits)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT,const void *,
 193                                        const BITMAPINFO*,UINT,DWORD);
 194     BOOL     (CDECL *pStrokeAndFillPath)(PHYSDEV);
 195     BOOL     (CDECL *pStrokePath)(PHYSDEV);
 196     BOOL     (CDECL *pSwapBuffers)(PHYSDEV);
 197     BOOL     (CDECL *pUnrealizePalette)(HPALETTE);
 198     BOOL     (CDECL *pWidenPath)(PHYSDEV);
 199
 200     /* OpenGL32 */
 201     BOOL     (CDECL *pwglCopyContext)(HGLRC, HGLRC, UINT);
 202     HGLRC    (CDECL *pwglCreateContext)(PHYSDEV);
 203     BOOL     (CDECL *pwglDeleteContext)(HGLRC);
 204     PROC     (CDECL *pwglGetProcAddress)(LPCSTR);
 205     HDC      (CDECL *pwglGetPbufferDCARB)(PHYSDEV, void*);
 206     BOOL     (CDECL *pwglMakeCurrent)(PHYSDEV, HGLRC);
 207     BOOL     (CDECL *pwglMakeContextCurrentARB)(PHYSDEV, PHYSDEV, HGLRC);
 208     BOOL     (CDECL *pwglSetPixelFormatWINE)(PHYSDEV,INT,const PIXELFORMATDESCRIPTOR *);
 209     BOOL     (CDECL *pwglShareLists)(HGLRC hglrc1, HGLRC hglrc2);
 210     BOOL     (CDECL *pwglUseFontBitmapsA)(PHYSDEV, DWORD, DWORD, DWORD);
 211     BOOL     (CDECL *pwglUseFontBitmapsW)(PHYSDEV, DWORD, DWORD, DWORD);
 212 } DC_FUNCTIONS;
 213
 214 /* It should not be necessary to access the contents of the GdiPath
 215  * structure directly; if you find that the exported functions don't
 216  * allow you to do what you want, then please place a new exported
 217  * function that does this job in path.c.
 218  */
 219 typedef enum tagGdiPathState
 220 {
 221    PATH_Null,
 222    PATH_Open,
 223    PATH_Closed
 224 } GdiPathState;
 225
 226 typedef struct tagGdiPath
 227 {
 228    GdiPathState state;
 229    POINT      *pPoints;
 230    BYTE         *pFlags;
 231    int          numEntriesUsed, numEntriesAllocated;
 232    BOOL       newStroke;
 233 } GdiPath;
 234
 235 typedef struct tagGdiFont GdiFont;
 236
 237 struct saved_visrgn
 238 {
 239     struct saved_visrgn *next;
 240     HRGN                 hrgn;
 241 };
 242
 243 typedef struct tagDC
 244 {
 245     GDIOBJHDR    header;
 246     HDC          hSelf;            /* Handle to this DC */
 247     const struct tagDC_FUNCS *funcs; /* DC function table */
 248     PHYSDEV      physDev;         /* Physical device (driver-specific) */
 249     DWORD        thread;          /* thread owning the DC */
 250     LONG         refcount;        /* thread refcount */
 251     LONG         dirty;           /* dirty flag */
 252     INT          saveLevel;
 253     HDC          saved_dc;
 254     DWORD_PTR    dwHookData;
 255     FARPROC16    hookProc;         /* the original SEGPTR ... */
 256     DCHOOKPROC   hookThunk;        /* ... and the thunk to call it */
 257
 258     INT          wndOrgX;          /* Window origin */
 259     INT          wndOrgY;
 260     INT          wndExtX;          /* Window extent */
 261     INT          wndExtY;
 262     INT          vportOrgX;        /* Viewport origin */
 263     INT          vportOrgY;
 264     INT          vportExtX;        /* Viewport extent */
 265     INT          vportExtY;
 266     FLOAT        miterLimit;
 267
 268     int           flags;
 269     DWORD         layout;
 270     HRGN          hClipRgn;      /* Clip region (may be 0) */
 271     HRGN          hMetaRgn;      /* Meta region (may be 0) */
 272     HRGN          hMetaClipRgn;  /* Intersection of meta and clip regions (may be 0) */
 273     HRGN          hVisRgn;       /* Visible region (must never be 0) */
 274     HPEN          hPen;
 275     HBRUSH        hBrush;
 276     HFONT         hFont;
 277     HBITMAP       hBitmap;
 278     HANDLE        hDevice;
 279     HPALETTE      hPalette;
 280
 281     GdiFont      *gdiFont;
 282     GdiPath       path;
 283
 284     UINT          font_code_page;
 285     WORD          ROPmode;
 286     WORD          polyFillMode;
 287     WORD          stretchBltMode;
 288     WORD          relAbsMode;
 289     WORD          backgroundMode;
 290     COLORREF      backgroundColor;
 291     COLORREF      textColor;
 292     COLORREF      dcBrushColor;
 293     COLORREF      dcPenColor;
 294     short         brushOrgX;
 295     short         brushOrgY;
 296
 297     WORD          textAlign;         /* Text alignment from SetTextAlign() */
 298     INT           charExtra;         /* Spacing from SetTextCharacterExtra() */
 299     INT           breakExtra;        /* breakTotalExtra / breakCount */
 300     INT           breakRem;          /* breakTotalExtra % breakCount */
 301     INT           MapMode;
 302     INT           GraphicsMode;      /* Graphics mode */
 303     ABORTPROC     pAbortProc;        /* AbortProc for Printing */
 304     ABORTPROC16   pAbortProc16;
 305     INT           CursPosX;          /* Current position */
 306     INT           CursPosY;
 307     INT           ArcDirection;
 308     XFORM         xformWorld2Wnd;    /* World-to-window transformation */
 309     XFORM         xformWorld2Vport;  /* World-to-viewport transformation */
 310     XFORM         xformVport2World;  /* Inverse of the above transformation */
 311     BOOL          vport2WorldValid;  /* Is xformVport2World valid? */
 312     RECT          BoundsRect;        /* Current bounding rect */
 313
 314     struct saved_visrgn *saved_visrgn;
 315 } DC;
 316
 317   /* DC flags */
 318 #define DC_SAVED         0x0002   /* It is a saved DC */
 319 #define DC_BOUNDS_ENABLE 0x0008   /* Bounding rectangle tracking is enabled */
 320 #define DC_BOUNDS_SET    0x0010   /* Bounding rectangle has been set */
 321
 322 /* Certain functions will do no further processing if the driver returns this.
 323    Used by mfdrv for example. */
 324 #define GDI_NO_MORE_WORK 2
 325
 326 /* Rounds a floating point number to integer. The world-to-viewport
 327  * transformation process is done in floating point internally. This function
 328  * is then used to round these coordinates to integer values.
 329  */
 330 static inline INT GDI_ROUND(double val)
 331 {
 332    return (int)floor(val + 0.5);
 333 }
 334
 335 /* bitmap object */
 336
 337 typedef struct tagBITMAPOBJ
 338 {
 339     GDIOBJHDR           header;
 340     BITMAP              bitmap;
 341     SIZE                size;   /* For SetBitmapDimension() */
 342     const DC_FUNCTIONS *funcs; /* DC function table */
 343     /* For device-independent bitmaps: */
 344     DIBSECTION         *dib;
 345     SEGPTR              segptr_bits;  /* segptr to DIB bits */
 346     RGBQUAD            *color_table;  /* DIB color table if <= 8bpp */
 347     UINT                nb_colors;    /* number of colors in table */
 348 } BITMAPOBJ;
 349
 350 /* bidi.c */
 351
 352 /* Wine_GCPW Flags */
 353 /* Directionality -
 354  * LOOSE means taking the directionality of the first strong character, if there is found one.
 355  * FORCE means the paragraph direction is forced. (RLE/LRE)
 356  */
 357 #define WINE_GCPW_FORCE_LTR 0
 358 #define WINE_GCPW_FORCE_RTL 1
 359 #define WINE_GCPW_LOOSE_LTR 2
 360 #define WINE_GCPW_LOOSE_RTL 3
 361 #define WINE_GCPW_DIR_MASK 3
 362 #define WINE_GCPW_LOOSE_MASK 2
 363
 364 extern BOOL BIDI_Reorder( LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
 365                           LPWSTR lpOutString, INT uCountOut, UINT *lpOrder ) DECLSPEC_HIDDEN;
 366
 367 /* bitmap.c */
 368 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap ) DECLSPEC_HIDDEN;
 369 extern BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, DC *dc ) DECLSPEC_HIDDEN;
 370 extern INT BITMAP_GetWidthBytes( INT bmWidth, INT bpp ) DECLSPEC_HIDDEN;
 371
 372 /* brush.c */
 373 extern BOOL BRUSH_SetSolid( HGDIOBJ handle, COLORREF new_color ) DECLSPEC_HIDDEN;
 374
 375 /* clipping.c */
 376 extern void CLIPPING_UpdateGCRegion( DC * dc ) DECLSPEC_HIDDEN;
 377
 378 /* dc.c */
 379 extern DC *alloc_dc_ptr( const DC_FUNCTIONS *funcs, WORD magic ) DECLSPEC_HIDDEN;
 380 extern BOOL free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
 381 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
 382 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
 383 extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
 384 extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
 385 extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
 386 extern INT save_dc_state( HDC hdc ) DECLSPEC_HIDDEN;
 387 extern BOOL restore_dc_state( HDC hdc, INT level ) DECLSPEC_HIDDEN;
 388
 389 /* dib.c */
 390 extern int DIB_GetDIBWidthBytes( int width, int depth ) DECLSPEC_HIDDEN;
 391 extern int DIB_GetDIBImageBytes( int width, int height, int depth ) DECLSPEC_HIDDEN;
 392 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
 393 extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, LONG *width,
 394                               LONG *height, WORD *planes, WORD *bpp, DWORD *compr, DWORD *size ) DECLSPEC_HIDDEN;
 395
 396 /* driver.c */
 397 extern const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
 398 extern const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs ) DECLSPEC_HIDDEN;
 399 extern void DRIVER_release_driver( const DC_FUNCTIONS *funcs ) DECLSPEC_HIDDEN;
 400 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
 401
 402 /* enhmetafile.c */
 403 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
 404
 405 /* freetype.c */
 406
 407 /* Undocumented structure filled in by GdiRealizationInfo */
 408 typedef struct
 409 {
 410     DWORD flags;       /* 1 for bitmap fonts, 3 for scalable fonts */
 411     DWORD cache_num;   /* keeps incrementing - num of fonts that have been created allowing for caching?? */
 412     DWORD unknown2;    /* fixed for a given font - looks like it could be the order of the face in the font list or the order
 413                           in which the face was first rendered. */
 414 } realization_info_t;
 415
 416
 417 extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
 418 extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
 419 extern GdiFont* WineEngCreateFontInstance(DC*, HFONT) DECLSPEC_HIDDEN;
 420 extern BOOL WineEngDestroyFontInstance(HFONT handle) DECLSPEC_HIDDEN;
 421 extern DWORD WineEngEnumFonts(LPLOGFONTW, FONTENUMPROCW, LPARAM) DECLSPEC_HIDDEN;
 422 extern BOOL WineEngGetCharABCWidths(GdiFont *font, UINT firstChar,
 423                                     UINT lastChar, LPABC buffer) DECLSPEC_HIDDEN;
 424 extern BOOL WineEngGetCharABCWidthsI(GdiFont *font, UINT firstChar,
 425                                     UINT count, LPWORD pgi, LPABC buffer) DECLSPEC_HIDDEN;
 426 extern BOOL WineEngGetCharWidth(GdiFont*, UINT, UINT, LPINT) DECLSPEC_HIDDEN;
 427 extern DWORD WineEngGetFontData(GdiFont*, DWORD, DWORD, LPVOID, DWORD) DECLSPEC_HIDDEN;
 428 extern DWORD WineEngGetFontUnicodeRanges(GdiFont *, LPGLYPHSET) DECLSPEC_HIDDEN;
 429 extern DWORD WineEngGetGlyphIndices(GdiFont *font, LPCWSTR lpstr, INT count,
 430                                     LPWORD pgi, DWORD flags) DECLSPEC_HIDDEN;
 431 extern DWORD WineEngGetGlyphOutline(GdiFont*, UINT glyph, UINT format,
 432                                     LPGLYPHMETRICS, DWORD buflen, LPVOID buf,
 433                                     const MAT2*) DECLSPEC_HIDDEN;
 434 extern DWORD WineEngGetKerningPairs(GdiFont*, DWORD, KERNINGPAIR *) DECLSPEC_HIDDEN;
 435 extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph) DECLSPEC_HIDDEN;
 436 extern UINT WineEngGetOutlineTextMetrics(GdiFont*, UINT, LPOUTLINETEXTMETRICW) DECLSPEC_HIDDEN;
 437 extern UINT WineEngGetTextCharsetInfo(GdiFont *font, LPFONTSIGNATURE fs, DWORD flags) DECLSPEC_HIDDEN;
 438 extern BOOL WineEngGetTextExtentExPoint(GdiFont*, LPCWSTR, INT, INT, LPINT, LPINT, LPSIZE) DECLSPEC_HIDDEN;
 439 extern BOOL WineEngGetTextExtentExPointI(GdiFont*, const WORD *, INT, INT, LPINT, LPINT, LPSIZE) DECLSPEC_HIDDEN;
 440 extern INT  WineEngGetTextFace(GdiFont*, INT, LPWSTR) DECLSPEC_HIDDEN;
 441 extern BOOL WineEngGetTextMetrics(GdiFont*, LPTEXTMETRICW) DECLSPEC_HIDDEN;
 442 extern BOOL WineEngFontIsLinked(GdiFont*) DECLSPEC_HIDDEN;
 443 extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
 444 extern BOOL WineEngRealizationInfo(GdiFont*, realization_info_t*) DECLSPEC_HIDDEN;
 445 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
 446
 447 /* gdiobj.c */
 448 extern BOOL GDI_Init(void) DECLSPEC_HIDDEN;
 449 extern HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
 450 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
 451 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
 452 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
 453 extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
 454 extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
 455 extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
 456 extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
 457 extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
 458
 459 /* metafile.c */
 460 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
 461 extern HMETAFILE16 MF_Create_HMETAFILE16(METAHEADER *mh) DECLSPEC_HIDDEN;
 462 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
 463 extern METAHEADER *MF_ReadMetaFile(HANDLE hfile) DECLSPEC_HIDDEN;
 464 extern METAHEADER *MF_LoadDiskBasedMetaFile(METAHEADER *mh) DECLSPEC_HIDDEN;
 465 extern BOOL MF_PlayMetaFile( HDC hdc, METAHEADER *mh) DECLSPEC_HIDDEN;
 466
 467 /* path.c */
 468
 469 #define PATH_IsPathOpen(path) ((path).state==PATH_Open)
 470 /* Returns TRUE if the specified path is in the open state, i.e. in the
 471  * state where points will be added to the path, or FALSE otherwise. This
 472  * function is implemented as a macro for performance reasons.
 473  */
 474
 475 extern void PATH_InitGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
 476 extern void PATH_DestroyGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
 477 extern BOOL PATH_AssignGdiPath(GdiPath *pPathDest, const GdiPath *pPathSrc) DECLSPEC_HIDDEN;
 478
 479 extern BOOL PATH_MoveTo(DC *dc) DECLSPEC_HIDDEN;
 480 extern BOOL PATH_LineTo(DC *dc, INT x, INT y) DECLSPEC_HIDDEN;
 481 extern BOOL PATH_Rectangle(DC *dc, INT x1, INT y1, INT x2, INT y2) DECLSPEC_HIDDEN;
 482 extern BOOL PATH_ExtTextOut(DC *dc, INT x, INT y, UINT flags, const RECT *lprc,
 483                             LPCWSTR str, UINT count, const INT *dx) DECLSPEC_HIDDEN;
 484 extern BOOL PATH_Ellipse(DC *dc, INT x1, INT y1, INT x2, INT y2) DECLSPEC_HIDDEN;
 485 extern BOOL PATH_Arc(DC *dc, INT x1, INT y1, INT x2, INT y2,
 486                      INT xStart, INT yStart, INT xEnd, INT yEnd, INT lines) DECLSPEC_HIDDEN;
 487 extern BOOL PATH_PolyBezierTo(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 488 extern BOOL PATH_PolyBezier(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 489 extern BOOL PATH_PolyDraw(DC *dc, const POINT *pts, const BYTE *types, DWORD cbCount) DECLSPEC_HIDDEN;
 490 extern BOOL PATH_PolylineTo(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 491 extern BOOL PATH_Polyline(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 492 extern BOOL PATH_Polygon(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 493 extern BOOL PATH_PolyPolyline(DC *dc, const POINT *pt, const DWORD *counts, DWORD polylines) DECLSPEC_HIDDEN;
 494 extern BOOL PATH_PolyPolygon(DC *dc, const POINT *pt, const INT *counts, UINT polygons) DECLSPEC_HIDDEN;
 495 extern BOOL PATH_RoundRect(DC *dc, INT x1, INT y1, INT x2, INT y2, INT ell_width, INT ell_height) DECLSPEC_HIDDEN;
 496
 497 /* painting.c */
 498 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
 499
 500 /* palette.c */
 501 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg);
 502 extern UINT WINAPI GDIRealizePalette( HDC hdc );
 503 extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
 504 extern HPALETTE hPrimaryPalette DECLSPEC_HIDDEN;
 505
 506 /* region.c */
 507 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
 508
 509 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
 510 #define DIB_PAL_MONO 2
 511
 512 BOOL WINAPI FontIsLinked(HDC);
 513
 514 #endif /* __WINE_GDI_PRIVATE_H */