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 <stdarg.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "wingdi.h"
  29 #include "wine/gdi_driver.h"
  30
  31 /* Metafile defines */
  32 #define META_EOF 0x0000
  33 /* values of mtType in METAHEADER.  Note however that the disk image of a disk
  34    based metafile has mtType == 1 */
  35 #define METAFILE_MEMORY 1
  36 #define METAFILE_DISK   2
  37 #define MFHEADERSIZE (sizeof(METAHEADER))
  38 #define MFVERSION 0x300
  39
  40 typedef struct {
  41     EMR   emr;
  42     INT   nBreakExtra;
  43     INT   nBreakCount;
  44 } EMRSETTEXTJUSTIFICATION, *PEMRSETTEXTJUSTIFICATION;
  45
  46 /* extra stock object: default 1x1 bitmap for memory DCs */
  47 #define DEFAULT_BITMAP (STOCK_LAST+1)
  48
  49 struct gdi_obj_funcs
  50 {
  51     HGDIOBJ (*pSelectObject)( HGDIOBJ handle, HDC hdc );
  52     INT     (*pGetObjectA)( HGDIOBJ handle, INT count, LPVOID buffer );
  53     INT     (*pGetObjectW)( HGDIOBJ handle, INT count, LPVOID buffer );
  54     BOOL    (*pUnrealizeObject)( HGDIOBJ handle );
  55     BOOL    (*pDeleteObject)( HGDIOBJ handle );
  56 };
  57
  58 struct hdc_list
  59 {
  60     HDC hdc;
  61     struct hdc_list *next;
  62 };
  63
  64 typedef struct tagGDIOBJHDR
  65 {
  66     WORD        type;         /* object type (one of the OBJ_* constants) */
  67     WORD        system : 1;   /* system object flag */
  68     WORD        deleted : 1;  /* whether DeleteObject has been called on this object */
  69     DWORD       selcount;     /* number of times the object is selected in a DC */
  70     const struct gdi_obj_funcs *funcs;
  71     struct hdc_list *hdcs;
  72 } GDIOBJHDR;
  73
  74 /* Device functions for the Wine driver interface */
  75
  76 enum dib_info_flags
  77 {
  78     private_color_table = 1
  79 };
  80
  81 typedef struct
  82 {
  83     int bit_count, width, height;
  84     int stride; /* stride in bytes.  Will be -ve for bottom-up dibs (see bits). */
  85     void *bits; /* points to the top-left corner of the dib. */
  86     void *ptr_to_free;
  87
  88     DWORD red_mask, green_mask, blue_mask;
  89     int red_shift, green_shift, blue_shift;
  90     int red_len, green_len, blue_len;
  91
  92     RGBQUAD *color_table;
  93     DWORD color_table_size;
  94
  95     enum dib_info_flags flags;
  96
  97     const struct primitive_funcs *funcs;
  98 } dib_info;
  99
 100 typedef struct
 101 {
 102     DWORD count;
 103     DWORD dashes[16]; /* 16 is the maximium number for a PS_USERSTYLE pen */
 104     DWORD total_len;  /* total length of the dashes, should be multiplied by 2 if there are an odd number of dash lengths */
 105 } dash_pattern;
 106
 107 typedef struct
 108 {
 109     int left_in_dash;
 110     int cur_dash;
 111     BOOL mark;
 112 } dash_pos;
 113
 114 typedef struct
 115 {
 116     DWORD and;
 117     DWORD xor;
 118 } rop_mask;
 119
 120 typedef struct
 121 {
 122     void *and;
 123     void *xor;
 124 } rop_mask_bits;
 125
 126 typedef struct dibdrv_physdev
 127 {
 128     struct gdi_physdev dev;
 129     dib_info dib;
 130
 131     HRGN clip;
 132     DWORD defer;
 133
 134     /* pen */
 135     COLORREF pen_colorref;
 136     DWORD pen_color, pen_and, pen_xor;
 137     dash_pattern pen_pattern;
 138     dash_pos dash_pos;
 139     BOOL   (* pen_line)(struct dibdrv_physdev *pdev, POINT *start, POINT *end);
 140
 141     /* brush */
 142     UINT brush_style;
 143     UINT brush_hatch;
 144     INT brush_rop;   /* PatBlt, for example, can override the DC's rop2 */
 145     COLORREF brush_colorref;
 146     DWORD brush_color, brush_and, brush_xor;
 147     dib_info brush_dib;
 148     void *brush_and_bits, *brush_xor_bits;
 149     BOOL   (* brush_rects)(struct dibdrv_physdev *pdev, int num, RECT *rects);
 150
 151     /* background */
 152     DWORD bkgnd_color, bkgnd_and, bkgnd_xor;
 153 } dibdrv_physdev;
 154
 155 #define DEFER_FORMAT     1
 156 #define DEFER_PEN        2
 157 #define DEFER_BRUSH      4
 158
 159 typedef struct gdi_dc_funcs DC_FUNCTIONS;
 160
 161 /* It should not be necessary to access the contents of the GdiPath
 162  * structure directly; if you find that the exported functions don't
 163  * allow you to do what you want, then please place a new exported
 164  * function that does this job in path.c.
 165  */
 166 typedef enum tagGdiPathState
 167 {
 168    PATH_Null,
 169    PATH_Open,
 170    PATH_Closed
 171 } GdiPathState;
 172
 173 typedef struct tagGdiPath
 174 {
 175    GdiPathState state;
 176    POINT      *pPoints;
 177    BYTE         *pFlags;
 178    int          numEntriesUsed, numEntriesAllocated;
 179    BOOL       newStroke;
 180 } GdiPath;
 181
 182 typedef struct tagGdiFont GdiFont;
 183
 184 typedef struct tagDC
 185 {
 186     GDIOBJHDR    header;
 187     HDC          hSelf;            /* Handle to this DC */
 188     struct gdi_physdev nulldrv;    /* physdev for the null driver */
 189     struct dibdrv_physdev dibdrv;  /* physdev for the dib driver */
 190     PHYSDEV      physDev;         /* Physical device (driver-specific) */
 191     DWORD        thread;          /* thread owning the DC */
 192     LONG         refcount;        /* thread refcount */
 193     LONG         dirty;           /* dirty flag */
 194     INT          saveLevel;
 195     struct tagDC *saved_dc;
 196     DWORD_PTR    dwHookData;
 197     DCHOOKPROC   hookProc;         /* DC hook */
 198
 199     INT          wndOrgX;          /* Window origin */
 200     INT          wndOrgY;
 201     INT          wndExtX;          /* Window extent */
 202     INT          wndExtY;
 203     INT          vportOrgX;        /* Viewport origin */
 204     INT          vportOrgY;
 205     INT          vportExtX;        /* Viewport extent */
 206     INT          vportExtY;
 207     SIZE         virtual_res;      /* Initially HORZRES,VERTRES. Changed by SetVirtualResolution */
 208     SIZE         virtual_size;     /* Initially HORZSIZE,VERTSIZE. Changed by SetVirtualResolution */
 209     RECT         vis_rect;         /* visible rectangle in screen coords */
 210     FLOAT        miterLimit;
 211
 212     int           flags;
 213     DWORD         layout;
 214     HRGN          hClipRgn;      /* Clip region (may be 0) */
 215     HRGN          hMetaRgn;      /* Meta region (may be 0) */
 216     HRGN          hMetaClipRgn;  /* Intersection of meta and clip regions (may be 0) */
 217     HRGN          hVisRgn;       /* Visible region (must never be 0) */
 218     HPEN          hPen;
 219     HBRUSH        hBrush;
 220     HFONT         hFont;
 221     HBITMAP       hBitmap;
 222     HANDLE        hDevice;
 223     HPALETTE      hPalette;
 224
 225     GdiFont      *gdiFont;
 226     GdiPath       path;
 227
 228     UINT          font_code_page;
 229     WORD          ROPmode;
 230     WORD          polyFillMode;
 231     WORD          stretchBltMode;
 232     WORD          relAbsMode;
 233     WORD          backgroundMode;
 234     COLORREF      backgroundColor;
 235     COLORREF      textColor;
 236     COLORREF      dcBrushColor;
 237     COLORREF      dcPenColor;
 238     short         brushOrgX;
 239     short         brushOrgY;
 240
 241     DWORD         mapperFlags;       /* Font mapper flags */
 242     WORD          textAlign;         /* Text alignment from SetTextAlign() */
 243     INT           charExtra;         /* Spacing from SetTextCharacterExtra() */
 244     INT           breakExtra;        /* breakTotalExtra / breakCount */
 245     INT           breakRem;          /* breakTotalExtra % breakCount */
 246     INT           MapMode;
 247     INT           GraphicsMode;      /* Graphics mode */
 248     ABORTPROC     pAbortProc;        /* AbortProc for Printing */
 249     INT           CursPosX;          /* Current position */
 250     INT           CursPosY;
 251     INT           ArcDirection;
 252     XFORM         xformWorld2Wnd;    /* World-to-window transformation */
 253     XFORM         xformWorld2Vport;  /* World-to-viewport transformation */
 254     XFORM         xformVport2World;  /* Inverse of the above transformation */
 255     BOOL          vport2WorldValid;  /* Is xformVport2World valid? */
 256     RECT          BoundsRect;        /* Current bounding rect */
 257 } DC;
 258
 259   /* DC flags */
 260 #define DC_BOUNDS_ENABLE 0x0008   /* Bounding rectangle tracking is enabled */
 261 #define DC_BOUNDS_SET    0x0010   /* Bounding rectangle has been set */
 262
 263 /* Certain functions will do no further processing if the driver returns this.
 264    Used by mfdrv for example. */
 265 #define GDI_NO_MORE_WORK 2
 266
 267 /* Rounds a floating point number to integer. The world-to-viewport
 268  * transformation process is done in floating point internally. This function
 269  * is then used to round these coordinates to integer values.
 270  */
 271 static inline INT GDI_ROUND(double val)
 272 {
 273    return (int)floor(val + 0.5);
 274 }
 275
 276 /* bitmap object */
 277
 278 typedef struct tagBITMAPOBJ
 279 {
 280     GDIOBJHDR           header;
 281     BITMAP              bitmap;
 282     SIZE                size;   /* For SetBitmapDimension() */
 283     const DC_FUNCTIONS *funcs; /* DC function table */
 284     /* For device-independent bitmaps: */
 285     DIBSECTION         *dib;
 286     RGBQUAD            *color_table;  /* DIB color table if <= 8bpp */
 287     UINT                nb_colors;    /* number of colors in table */
 288 } BITMAPOBJ;
 289
 290 /* bidi.c */
 291
 292 /* Wine_GCPW Flags */
 293 /* Directionality -
 294  * LOOSE means taking the directionality of the first strong character, if there is found one.
 295  * FORCE means the paragraph direction is forced. (RLE/LRE)
 296  */
 297 #define WINE_GCPW_FORCE_LTR 0
 298 #define WINE_GCPW_FORCE_RTL 1
 299 #define WINE_GCPW_LOOSE_LTR 2
 300 #define WINE_GCPW_LOOSE_RTL 3
 301 #define WINE_GCPW_DIR_MASK 3
 302 #define WINE_GCPW_LOOSE_MASK 2
 303
 304 extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
 305                           LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
 306
 307 /* bitmap.c */
 308 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap ) DECLSPEC_HIDDEN;
 309 extern BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, PHYSDEV physdev ) DECLSPEC_HIDDEN;
 310 extern INT BITMAP_GetWidthBytes( INT bmWidth, INT bpp ) DECLSPEC_HIDDEN;
 311
 312 /* clipping.c */
 313 extern int get_clip_box( DC *dc, RECT *rect ) DECLSPEC_HIDDEN;
 314 extern void CLIPPING_UpdateGCRegion( DC * dc ) DECLSPEC_HIDDEN;
 315
 316 /* Return the total clip region (if any) */
 317 static inline HRGN get_clip_region( DC * dc )
 318 {
 319     if (dc->hMetaClipRgn) return dc->hMetaClipRgn;
 320     if (dc->hMetaRgn) return dc->hMetaRgn;
 321     return dc->hClipRgn;
 322 }
 323
 324 /* dc.c */
 325 extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
 326 extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
 327 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
 328 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
 329 extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
 330 extern void push_dc_driver( DC * dc, PHYSDEV physdev, const DC_FUNCTIONS *funcs ) DECLSPEC_HIDDEN;
 331 extern void pop_dc_driver( DC * dc, PHYSDEV physdev ) DECLSPEC_HIDDEN;
 332 extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
 333 extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
 334
 335 /* dib.c */
 336 extern int DIB_GetDIBWidthBytes( int width, int depth ) DECLSPEC_HIDDEN;
 337 extern int DIB_GetDIBImageBytes( int width, int height, int depth ) DECLSPEC_HIDDEN;
 338 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
 339 extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, LONG *width,
 340                               LONG *height, WORD *planes, WORD *bpp, DWORD *compr, DWORD *size ) DECLSPEC_HIDDEN;
 341
 342 /* driver.c */
 343 extern const DC_FUNCTIONS null_driver DECLSPEC_HIDDEN;
 344 extern const DC_FUNCTIONS dib_driver DECLSPEC_HIDDEN;
 345 extern const DC_FUNCTIONS *DRIVER_get_display_driver(void) DECLSPEC_HIDDEN;
 346 extern const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
 347 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
 348
 349 /* enhmetafile.c */
 350 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
 351
 352 /* freetype.c */
 353
 354 /* Undocumented structure filled in by GdiRealizationInfo */
 355 typedef struct
 356 {
 357     DWORD flags;       /* 1 for bitmap fonts, 3 for scalable fonts */
 358     DWORD cache_num;   /* keeps incrementing - num of fonts that have been created allowing for caching?? */
 359     DWORD unknown2;    /* fixed for a given font - looks like it could be the order of the face in the font list or the order
 360                           in which the face was first rendered. */
 361 } realization_info_t;
 362
 363
 364 extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
 365 extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
 366 extern GdiFont* WineEngCreateFontInstance(DC*, HFONT) DECLSPEC_HIDDEN;
 367 extern BOOL WineEngDestroyFontInstance(HFONT handle) DECLSPEC_HIDDEN;
 368 extern DWORD WineEngEnumFonts(LPLOGFONTW, FONTENUMPROCW, LPARAM) DECLSPEC_HIDDEN;
 369 extern BOOL WineEngGetCharABCWidths(GdiFont *font, UINT firstChar,
 370                                     UINT lastChar, LPABC buffer) DECLSPEC_HIDDEN;
 371 extern BOOL WineEngGetCharABCWidthsFloat(GdiFont *font, UINT firstChar,
 372                                          UINT lastChar, LPABCFLOAT buffer) DECLSPEC_HIDDEN;
 373 extern BOOL WineEngGetCharABCWidthsI(GdiFont *font, UINT firstChar,
 374                                     UINT count, LPWORD pgi, LPABC buffer) DECLSPEC_HIDDEN;
 375 extern BOOL WineEngGetCharWidth(GdiFont*, UINT, UINT, LPINT) DECLSPEC_HIDDEN;
 376 extern DWORD WineEngGetFontData(GdiFont*, DWORD, DWORD, LPVOID, DWORD) DECLSPEC_HIDDEN;
 377 extern DWORD WineEngGetFontUnicodeRanges(GdiFont *, LPGLYPHSET) DECLSPEC_HIDDEN;
 378 extern DWORD WineEngGetGlyphIndices(GdiFont *font, LPCWSTR lpstr, INT count,
 379                                     LPWORD pgi, DWORD flags) DECLSPEC_HIDDEN;
 380 extern DWORD WineEngGetGlyphOutline(GdiFont*, UINT glyph, UINT format,
 381                                     LPGLYPHMETRICS, DWORD buflen, LPVOID buf,
 382                                     const MAT2*) DECLSPEC_HIDDEN;
 383 extern DWORD WineEngGetKerningPairs(GdiFont*, DWORD, KERNINGPAIR *) DECLSPEC_HIDDEN;
 384 extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph) DECLSPEC_HIDDEN;
 385 extern UINT WineEngGetOutlineTextMetrics(GdiFont*, UINT, LPOUTLINETEXTMETRICW) DECLSPEC_HIDDEN;
 386 extern UINT WineEngGetTextCharsetInfo(GdiFont *font, LPFONTSIGNATURE fs, DWORD flags) DECLSPEC_HIDDEN;
 387 extern BOOL WineEngGetTextExtentExPoint(GdiFont*, LPCWSTR, INT, INT, LPINT, LPINT, LPSIZE) DECLSPEC_HIDDEN;
 388 extern BOOL WineEngGetTextExtentExPointI(GdiFont*, const WORD *, INT, INT, LPINT, LPINT, LPSIZE) DECLSPEC_HIDDEN;
 389 extern INT  WineEngGetTextFace(GdiFont*, INT, LPWSTR) DECLSPEC_HIDDEN;
 390 extern BOOL WineEngGetTextMetrics(GdiFont*, LPTEXTMETRICW) DECLSPEC_HIDDEN;
 391 extern BOOL WineEngFontIsLinked(GdiFont*) DECLSPEC_HIDDEN;
 392 extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
 393 extern BOOL WineEngRealizationInfo(GdiFont*, realization_info_t*) DECLSPEC_HIDDEN;
 394 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
 395
 396 /* gdiobj.c */
 397 extern HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
 398 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
 399 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
 400 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
 401 extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
 402 extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
 403 extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
 404 extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
 405 extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
 406
 407 /* metafile.c */
 408 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
 409 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
 410
 411 /* path.c */
 412
 413 #define PATH_IsPathOpen(path) ((path).state==PATH_Open)
 414 /* Returns TRUE if the specified path is in the open state, i.e. in the
 415  * state where points will be added to the path, or FALSE otherwise. This
 416  * function is implemented as a macro for performance reasons.
 417  */
 418
 419 extern void PATH_InitGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
 420 extern void PATH_DestroyGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
 421 extern BOOL PATH_AssignGdiPath(GdiPath *pPathDest, const GdiPath *pPathSrc) DECLSPEC_HIDDEN;
 422
 423 extern BOOL PATH_MoveTo(DC *dc) DECLSPEC_HIDDEN;
 424 extern BOOL PATH_LineTo(DC *dc, INT x, INT y) DECLSPEC_HIDDEN;
 425 extern BOOL PATH_Rectangle(DC *dc, INT x1, INT y1, INT x2, INT y2) DECLSPEC_HIDDEN;
 426 extern BOOL PATH_ExtTextOut(DC *dc, INT x, INT y, UINT flags, const RECT *lprc,
 427                             LPCWSTR str, UINT count, const INT *dx) DECLSPEC_HIDDEN;
 428 extern BOOL PATH_Ellipse(DC *dc, INT x1, INT y1, INT x2, INT y2) DECLSPEC_HIDDEN;
 429 extern BOOL PATH_Arc(DC *dc, INT x1, INT y1, INT x2, INT y2,
 430                      INT xStart, INT yStart, INT xEnd, INT yEnd, INT lines) DECLSPEC_HIDDEN;
 431 extern BOOL PATH_PolyBezierTo(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 432 extern BOOL PATH_PolyBezier(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 433 extern BOOL PATH_PolyDraw(DC *dc, const POINT *pts, const BYTE *types, DWORD cbCount) DECLSPEC_HIDDEN;
 434 extern BOOL PATH_PolylineTo(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 435 extern BOOL PATH_Polyline(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 436 extern BOOL PATH_Polygon(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 437 extern BOOL PATH_PolyPolyline(DC *dc, const POINT *pt, const DWORD *counts, DWORD polylines) DECLSPEC_HIDDEN;
 438 extern BOOL PATH_PolyPolygon(DC *dc, const POINT *pt, const INT *counts, UINT polygons) DECLSPEC_HIDDEN;
 439 extern BOOL PATH_RoundRect(DC *dc, INT x1, INT y1, INT x2, INT y2, INT ell_width, INT ell_height) DECLSPEC_HIDDEN;
 440
 441 /* painting.c */
 442 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
 443
 444 /* palette.c */
 445 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
 446 extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
 447 extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
 448
 449 /* region.c */
 450 extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
 451 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
 452
 453 typedef struct
 454 {
 455     INT size;
 456     INT numRects;
 457     RECT *rects;
 458     RECT extents;
 459 } WINEREGION;
 460 extern const WINEREGION *get_wine_region(HRGN rgn) DECLSPEC_HIDDEN;
 461 static inline void release_wine_region(HRGN rgn)
 462 {
 463     GDI_ReleaseObj(rgn);
 464 }
 465
 466 /* null driver entry points */
 467 extern BOOL CDECL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 468 extern BOOL CDECL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
 469 extern BOOL CDECL nulldrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN;
 470 extern BOOL CDECL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 471 extern BOOL CDECL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
 472 extern BOOL CDECL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 473 extern INT  CDECL nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
 474 extern INT  CDECL nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
 475 extern BOOL CDECL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 476 extern BOOL CDECL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
 477 extern BOOL CDECL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 478 extern BOOL CDECL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
 479 extern LONG CDECL nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
 480 extern INT  CDECL nulldrv_GetDIBits( PHYSDEV dev, HBITMAP bitmap, UINT start, UINT lines, LPVOID bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
 481 extern COLORREF CDECL nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
 482 extern INT  CDECL nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
 483 extern BOOL CDECL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
 484 extern BOOL CDECL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
 485 extern INT  CDECL nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
 486 extern BOOL CDECL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
 487 extern BOOL CDECL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
 488 extern BOOL CDECL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
 489 extern BOOL CDECL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
 490 extern BOOL CDECL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
 491 extern BOOL CDECL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
 492 extern BOOL CDECL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
 493 extern INT  CDECL nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
 494 extern BOOL CDECL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
 495 extern BOOL CDECL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
 496 extern BOOL CDECL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
 497 extern LONG CDECL nulldrv_SetBitmapBits( HBITMAP bitmap, const void *bits, LONG size ) DECLSPEC_HIDDEN;
 498 extern INT  CDECL nulldrv_SetDIBits( PHYSDEV dev, HBITMAP bitmap, UINT start, UINT lines, const void *bits, const BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
 499 extern INT  CDECL nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
 500 extern BOOL CDECL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
 501 extern BOOL CDECL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
 502 extern BOOL CDECL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
 503 extern BOOL CDECL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
 504 extern BOOL CDECL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
 505 extern BOOL CDECL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
 506                                       PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
 507 extern INT  CDECL nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
 508                                          INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
 509                                          const BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
 510 extern BOOL CDECL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 511 extern BOOL CDECL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 512 extern BOOL CDECL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 513
 514 static inline DC *get_nulldrv_dc( PHYSDEV dev )
 515 {
 516     return CONTAINING_RECORD( dev, DC, nulldrv );
 517 }
 518
 519 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
 520 #define DIB_PAL_MONO 2
 521
 522 BOOL WINAPI FontIsLinked(HDC);
 523
 524 BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
 525
 526 #endif /* __WINE_GDI_PRIVATE_H */