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
  30 /* Metafile defines */
  31 #define META_EOF 0x0000
  32 /* values of mtType in METAHEADER.  Note however that the disk image of a disk
  33    based metafile has mtType == 1 */
  34 #define METAFILE_MEMORY 1
  35 #define METAFILE_DISK   2
  36 #define MFHEADERSIZE (sizeof(METAHEADER))
  37 #define MFVERSION 0x300
  38
  39 typedef struct {
  40     EMR   emr;
  41     INT   nBreakExtra;
  42     INT   nBreakCount;
  43 } EMRSETTEXTJUSTIFICATION, *PEMRSETTEXTJUSTIFICATION;
  44
  45 /* extra stock object: default 1x1 bitmap for memory DCs */
  46 #define DEFAULT_BITMAP (STOCK_LAST+1)
  47
  48 struct gdi_obj_funcs
  49 {
  50     HGDIOBJ (*pSelectObject)( HGDIOBJ handle, HDC hdc );
  51     INT     (*pGetObjectA)( HGDIOBJ handle, INT count, LPVOID buffer );
  52     INT     (*pGetObjectW)( HGDIOBJ handle, INT count, LPVOID buffer );
  53     BOOL    (*pUnrealizeObject)( HGDIOBJ handle );
  54     BOOL    (*pDeleteObject)( HGDIOBJ handle );
  55 };
  56
  57 struct hdc_list
  58 {
  59     HDC hdc;
  60     struct hdc_list *next;
  61 };
  62
  63 typedef struct tagGDIOBJHDR
  64 {
  65     WORD        type;         /* object type (one of the OBJ_* constants) */
  66     WORD        system : 1;   /* system object flag */
  67     WORD        deleted : 1;  /* whether DeleteObject has been called on this object */
  68     DWORD       selcount;     /* number of times the object is selected in a DC */
  69     const struct gdi_obj_funcs *funcs;
  70     struct hdc_list *hdcs;
  71 } GDIOBJHDR;
  72
  73 /* Device functions for the Wine driver interface */
  74
  75 typedef struct { int opaque; } *PHYSDEV;  /* PHYSDEV is an opaque pointer */
  76
  77 typedef struct tagDC_FUNCS
  78 {
  79     INT      (CDECL *pAbortDoc)(PHYSDEV);
  80     BOOL     (CDECL *pAbortPath)(PHYSDEV);
  81     BOOL     (CDECL *pAlphaBlend)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,BLENDFUNCTION);
  82     BOOL     (CDECL *pAngleArc)(PHYSDEV,INT,INT,DWORD,FLOAT,FLOAT);
  83     BOOL     (CDECL *pArc)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
  84     BOOL     (CDECL *pArcTo)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
  85     BOOL     (CDECL *pBeginPath)(PHYSDEV);
  86     BOOL     (CDECL *pBitBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,DWORD);
  87     INT      (CDECL *pChoosePixelFormat)(PHYSDEV,const PIXELFORMATDESCRIPTOR *);
  88     BOOL     (CDECL *pChord)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
  89     BOOL     (CDECL *pCloseFigure)(PHYSDEV);
  90     BOOL     (CDECL *pCreateBitmap)(PHYSDEV,HBITMAP,LPVOID);
  91     BOOL     (CDECL *pCreateDC)(HDC,PHYSDEV *,LPCWSTR,LPCWSTR,LPCWSTR,const DEVMODEW*);
  92     HBITMAP  (CDECL *pCreateDIBSection)(PHYSDEV,HBITMAP,const BITMAPINFO *,UINT);
  93     BOOL     (CDECL *pDeleteBitmap)(HBITMAP);
  94     BOOL     (CDECL *pDeleteDC)(PHYSDEV);
  95     BOOL     (CDECL *pDeleteObject)(PHYSDEV,HGDIOBJ);
  96     INT      (CDECL *pDescribePixelFormat)(PHYSDEV,INT,UINT,PIXELFORMATDESCRIPTOR *);
  97     DWORD    (CDECL *pDeviceCapabilities)(LPSTR,LPCSTR,LPCSTR,WORD,LPSTR,LPDEVMODEA);
  98     BOOL     (CDECL *pEllipse)(PHYSDEV,INT,INT,INT,INT);
  99     INT      (CDECL *pEndDoc)(PHYSDEV);
 100     INT      (CDECL *pEndPage)(PHYSDEV);
 101     BOOL     (CDECL *pEndPath)(PHYSDEV);
 102     INT      (CDECL *pEnumICMProfiles)(PHYSDEV,ICMENUMPROCW,LPARAM);
 103     BOOL     (CDECL *pEnumDeviceFonts)(PHYSDEV,LPLOGFONTW,FONTENUMPROCW,LPARAM);
 104     INT      (CDECL *pExcludeClipRect)(PHYSDEV,INT,INT,INT,INT);
 105     INT      (CDECL *pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
 106     INT      (CDECL *pExtEscape)(PHYSDEV,INT,INT,LPCVOID,INT,LPVOID);
 107     BOOL     (CDECL *pExtFloodFill)(PHYSDEV,INT,INT,COLORREF,UINT);
 108     INT      (CDECL *pExtSelectClipRgn)(PHYSDEV,HRGN,INT);
 109     BOOL     (CDECL *pExtTextOut)(PHYSDEV,INT,INT,UINT,const RECT*,LPCWSTR,UINT,const INT*);
 110     BOOL     (CDECL *pFillPath)(PHYSDEV);
 111     BOOL     (CDECL *pFillRgn)(PHYSDEV,HRGN,HBRUSH);
 112     BOOL     (CDECL *pFlattenPath)(PHYSDEV);
 113     BOOL     (CDECL *pFrameRgn)(PHYSDEV,HRGN,HBRUSH,INT,INT);
 114     BOOL     (CDECL *pGdiComment)(PHYSDEV,UINT,CONST BYTE*);
 115     LONG     (CDECL *pGetBitmapBits)(HBITMAP,void*,LONG);
 116     BOOL     (CDECL *pGetCharWidth)(PHYSDEV,UINT,UINT,LPINT);
 117     UINT     (CDECL *pGetDIBColorTable)(PHYSDEV,UINT,UINT,RGBQUAD*);
 118     INT      (CDECL *pGetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPVOID,BITMAPINFO*,UINT);
 119     INT      (CDECL *pGetDeviceCaps)(PHYSDEV,INT);
 120     BOOL     (CDECL *pGetDeviceGammaRamp)(PHYSDEV,LPVOID);
 121     BOOL     (CDECL *pGetICMProfile)(PHYSDEV,LPDWORD,LPWSTR);
 122     COLORREF (CDECL *pGetNearestColor)(PHYSDEV,COLORREF);
 123     COLORREF (CDECL *pGetPixel)(PHYSDEV,INT,INT);
 124     INT      (CDECL *pGetPixelFormat)(PHYSDEV);
 125     UINT     (CDECL *pGetSystemPaletteEntries)(PHYSDEV,UINT,UINT,LPPALETTEENTRY);
 126     BOOL     (CDECL *pGetTextExtentExPoint)(PHYSDEV,LPCWSTR,INT,INT,LPINT,LPINT,LPSIZE);
 127     BOOL     (CDECL *CDECL pGetTextMetrics)(PHYSDEV,TEXTMETRICW*);
 128     INT      (CDECL *pIntersectClipRect)(PHYSDEV,INT,INT,INT,INT);
 129     BOOL     (CDECL *pInvertRgn)(PHYSDEV,HRGN);
 130     BOOL     (CDECL *pLineTo)(PHYSDEV,INT,INT);
 131     BOOL     (CDECL *pModifyWorldTransform)(PHYSDEV,const XFORM*,INT);
 132     BOOL     (CDECL *pMoveTo)(PHYSDEV,INT,INT);
 133     INT      (CDECL *pOffsetClipRgn)(PHYSDEV,INT,INT);
 134     INT      (CDECL *pOffsetViewportOrg)(PHYSDEV,INT,INT);
 135     INT      (CDECL *pOffsetWindowOrg)(PHYSDEV,INT,INT);
 136     BOOL     (CDECL *pPaintRgn)(PHYSDEV,HRGN);
 137     BOOL     (CDECL *pPatBlt)(PHYSDEV,INT,INT,INT,INT,DWORD);
 138     BOOL     (CDECL *pPie)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
 139     BOOL     (CDECL *pPolyBezier)(PHYSDEV,const POINT*,DWORD);
 140     BOOL     (CDECL *pPolyBezierTo)(PHYSDEV,const POINT*,DWORD);
 141     BOOL     (CDECL *pPolyDraw)(PHYSDEV,const POINT*,const BYTE *,DWORD);
 142     BOOL     (CDECL *pPolyPolygon)(PHYSDEV,const POINT*,const INT*,UINT);
 143     BOOL     (CDECL *pPolyPolyline)(PHYSDEV,const POINT*,const DWORD*,DWORD);
 144     BOOL     (CDECL *pPolygon)(PHYSDEV,const POINT*,INT);
 145     BOOL     (CDECL *pPolyline)(PHYSDEV,const POINT*,INT);
 146     BOOL     (CDECL *pPolylineTo)(PHYSDEV,const POINT*,INT);
 147     UINT     (CDECL *pRealizeDefaultPalette)(PHYSDEV);
 148     UINT     (CDECL *pRealizePalette)(PHYSDEV,HPALETTE,BOOL);
 149     BOOL     (CDECL *pRectangle)(PHYSDEV,INT,INT,INT,INT);
 150     HDC      (CDECL *pResetDC)(PHYSDEV,const DEVMODEW*);
 151     BOOL     (CDECL *pRestoreDC)(PHYSDEV,INT);
 152     BOOL     (CDECL *pRoundRect)(PHYSDEV,INT,INT,INT,INT,INT,INT);
 153     INT      (CDECL *pSaveDC)(PHYSDEV);
 154     INT      (CDECL *pScaleViewportExt)(PHYSDEV,INT,INT,INT,INT);
 155     INT      (CDECL *pScaleWindowExt)(PHYSDEV,INT,INT,INT,INT);
 156     HBITMAP  (CDECL *pSelectBitmap)(PHYSDEV,HBITMAP);
 157     HBRUSH   (CDECL *pSelectBrush)(PHYSDEV,HBRUSH);
 158     BOOL     (CDECL *pSelectClipPath)(PHYSDEV,INT);
 159     HFONT    (CDECL *pSelectFont)(PHYSDEV,HFONT,HANDLE);
 160     HPALETTE (CDECL *pSelectPalette)(PHYSDEV,HPALETTE,BOOL);
 161     HPEN     (CDECL *pSelectPen)(PHYSDEV,HPEN);
 162     INT      (CDECL *pSetArcDirection)(PHYSDEV,INT);
 163     LONG     (CDECL *pSetBitmapBits)(HBITMAP,const void*,LONG);
 164     COLORREF (CDECL *pSetBkColor)(PHYSDEV,COLORREF);
 165     INT      (CDECL *pSetBkMode)(PHYSDEV,INT);
 166     COLORREF (CDECL *pSetDCBrushColor)(PHYSDEV, COLORREF);
 167     COLORREF (CDECL *pSetDCPenColor)(PHYSDEV, COLORREF);
 168     UINT     (CDECL *pSetDIBColorTable)(PHYSDEV,UINT,UINT,const RGBQUAD*);
 169     INT      (CDECL *pSetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPCVOID,const BITMAPINFO*,UINT);
 170     INT      (CDECL *pSetDIBitsToDevice)(PHYSDEV,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT,LPCVOID,
 171                                            const BITMAPINFO*,UINT);
 172     VOID     (CDECL *pSetDeviceClipping)(PHYSDEV,HRGN,HRGN);
 173     BOOL     (CDECL *pSetDeviceGammaRamp)(PHYSDEV,LPVOID);
 174     INT      (CDECL *pSetMapMode)(PHYSDEV,INT);
 175     DWORD    (CDECL *pSetMapperFlags)(PHYSDEV,DWORD);
 176     COLORREF (CDECL *pSetPixel)(PHYSDEV,INT,INT,COLORREF);
 177     BOOL     (CDECL *pSetPixelFormat)(PHYSDEV,INT,const PIXELFORMATDESCRIPTOR *);
 178     INT      (CDECL *pSetPolyFillMode)(PHYSDEV,INT);
 179     INT      (CDECL *pSetROP2)(PHYSDEV,INT);
 180     INT      (CDECL *pSetRelAbs)(PHYSDEV,INT);
 181     INT      (CDECL *pSetStretchBltMode)(PHYSDEV,INT);
 182     UINT     (CDECL *pSetTextAlign)(PHYSDEV,UINT);
 183     INT      (CDECL *pSetTextCharacterExtra)(PHYSDEV,INT);
 184     DWORD    (CDECL *pSetTextColor)(PHYSDEV,DWORD);
 185     INT      (CDECL *pSetTextJustification)(PHYSDEV,INT,INT);
 186     INT      (CDECL *pSetViewportExt)(PHYSDEV,INT,INT);
 187     INT      (CDECL *pSetViewportOrg)(PHYSDEV,INT,INT);
 188     INT      (CDECL *pSetWindowExt)(PHYSDEV,INT,INT);
 189     INT      (CDECL *pSetWindowOrg)(PHYSDEV,INT,INT);
 190     BOOL     (CDECL *pSetWorldTransform)(PHYSDEV,const XFORM*);
 191     INT      (CDECL *pStartDoc)(PHYSDEV,const DOCINFOW*);
 192     INT      (CDECL *pStartPage)(PHYSDEV);
 193     BOOL     (CDECL *pStretchBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,DWORD);
 194     INT      (CDECL *pStretchDIBits)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT,const void *,
 195                                        const BITMAPINFO*,UINT,DWORD);
 196     BOOL     (CDECL *pStrokeAndFillPath)(PHYSDEV);
 197     BOOL     (CDECL *pStrokePath)(PHYSDEV);
 198     BOOL     (CDECL *pSwapBuffers)(PHYSDEV);
 199     BOOL     (CDECL *pUnrealizePalette)(HPALETTE);
 200     BOOL     (CDECL *pWidenPath)(PHYSDEV);
 201
 202     /* OpenGL32 */
 203     BOOL     (CDECL *pwglCopyContext)(HGLRC, HGLRC, UINT);
 204     HGLRC    (CDECL *pwglCreateContext)(PHYSDEV);
 205     HGLRC    (CDECL *pwglCreateContextAttribsARB)(PHYSDEV, HGLRC, const int*);
 206     BOOL     (CDECL *pwglDeleteContext)(HGLRC);
 207     PROC     (CDECL *pwglGetProcAddress)(LPCSTR);
 208     HDC      (CDECL *pwglGetPbufferDCARB)(PHYSDEV, void*);
 209     BOOL     (CDECL *pwglMakeCurrent)(PHYSDEV, HGLRC);
 210     BOOL     (CDECL *pwglMakeContextCurrentARB)(PHYSDEV, PHYSDEV, HGLRC);
 211     BOOL     (CDECL *pwglSetPixelFormatWINE)(PHYSDEV,INT,const PIXELFORMATDESCRIPTOR *);
 212     BOOL     (CDECL *pwglShareLists)(HGLRC hglrc1, HGLRC hglrc2);
 213     BOOL     (CDECL *pwglUseFontBitmapsA)(PHYSDEV, DWORD, DWORD, DWORD);
 214     BOOL     (CDECL *pwglUseFontBitmapsW)(PHYSDEV, DWORD, DWORD, DWORD);
 215 } DC_FUNCTIONS;
 216
 217 /* It should not be necessary to access the contents of the GdiPath
 218  * structure directly; if you find that the exported functions don't
 219  * allow you to do what you want, then please place a new exported
 220  * function that does this job in path.c.
 221  */
 222 typedef enum tagGdiPathState
 223 {
 224    PATH_Null,
 225    PATH_Open,
 226    PATH_Closed
 227 } GdiPathState;
 228
 229 typedef struct tagGdiPath
 230 {
 231    GdiPathState state;
 232    POINT      *pPoints;
 233    BYTE         *pFlags;
 234    int          numEntriesUsed, numEntriesAllocated;
 235    BOOL       newStroke;
 236 } GdiPath;
 237
 238 typedef struct tagGdiFont GdiFont;
 239
 240 typedef struct tagDC
 241 {
 242     GDIOBJHDR    header;
 243     HDC          hSelf;            /* Handle to this DC */
 244     const struct tagDC_FUNCS *funcs; /* DC function table */
 245     PHYSDEV      physDev;         /* Physical device (driver-specific) */
 246     DWORD        thread;          /* thread owning the DC */
 247     LONG         refcount;        /* thread refcount */
 248     LONG         dirty;           /* dirty flag */
 249     INT          saveLevel;
 250     HDC          saved_dc;
 251     DWORD_PTR    dwHookData;
 252     DCHOOKPROC   hookProc;         /* DC hook */
 253
 254     INT          wndOrgX;          /* Window origin */
 255     INT          wndOrgY;
 256     INT          wndExtX;          /* Window extent */
 257     INT          wndExtY;
 258     INT          vportOrgX;        /* Viewport origin */
 259     INT          vportOrgY;
 260     INT          vportExtX;        /* Viewport extent */
 261     INT          vportExtY;
 262     SIZE         virtual_res;      /* Initially HORZRES,VERTRES. Changed by SetVirtualResolution */
 263     SIZE         virtual_size;     /* Initially HORZSIZE,VERTSIZE. Changed by SetVirtualResolution */
 264     RECT         vis_rect;         /* visible rectangle in screen coords */
 265     FLOAT        miterLimit;
 266
 267     int           flags;
 268     DWORD         layout;
 269     HRGN          hClipRgn;      /* Clip region (may be 0) */
 270     HRGN          hMetaRgn;      /* Meta region (may be 0) */
 271     HRGN          hMetaClipRgn;  /* Intersection of meta and clip regions (may be 0) */
 272     HRGN          hVisRgn;       /* Visible region (must never be 0) */
 273     HPEN          hPen;
 274     HBRUSH        hBrush;
 275     HFONT         hFont;
 276     HBITMAP       hBitmap;
 277     HANDLE        hDevice;
 278     HPALETTE      hPalette;
 279
 280     GdiFont      *gdiFont;
 281     GdiPath       path;
 282
 283     UINT          font_code_page;
 284     WORD          ROPmode;
 285     WORD          polyFillMode;
 286     WORD          stretchBltMode;
 287     WORD          relAbsMode;
 288     WORD          backgroundMode;
 289     COLORREF      backgroundColor;
 290     COLORREF      textColor;
 291     COLORREF      dcBrushColor;
 292     COLORREF      dcPenColor;
 293     short         brushOrgX;
 294     short         brushOrgY;
 295
 296     WORD          textAlign;         /* Text alignment from SetTextAlign() */
 297     INT           charExtra;         /* Spacing from SetTextCharacterExtra() */
 298     INT           breakExtra;        /* breakTotalExtra / breakCount */
 299     INT           breakRem;          /* breakTotalExtra % breakCount */
 300     INT           MapMode;
 301     INT           GraphicsMode;      /* Graphics mode */
 302     ABORTPROC     pAbortProc;        /* AbortProc for Printing */
 303     INT           CursPosX;          /* Current position */
 304     INT           CursPosY;
 305     INT           ArcDirection;
 306     XFORM         xformWorld2Wnd;    /* World-to-window transformation */
 307     XFORM         xformWorld2Vport;  /* World-to-viewport transformation */
 308     XFORM         xformVport2World;  /* Inverse of the above transformation */
 309     BOOL          vport2WorldValid;  /* Is xformVport2World valid? */
 310     RECT          BoundsRect;        /* Current bounding rect */
 311 } DC;
 312
 313   /* DC flags */
 314 #define DC_SAVED         0x0002   /* It is a saved DC */
 315 #define DC_BOUNDS_ENABLE 0x0008   /* Bounding rectangle tracking is enabled */
 316 #define DC_BOUNDS_SET    0x0010   /* Bounding rectangle has been set */
 317
 318 /* Certain functions will do no further processing if the driver returns this.
 319    Used by mfdrv for example. */
 320 #define GDI_NO_MORE_WORK 2
 321
 322 /* Rounds a floating point number to integer. The world-to-viewport
 323  * transformation process is done in floating point internally. This function
 324  * is then used to round these coordinates to integer values.
 325  */
 326 static inline INT GDI_ROUND(double val)
 327 {
 328    return (int)floor(val + 0.5);
 329 }
 330
 331 /* bitmap object */
 332
 333 typedef struct tagBITMAPOBJ
 334 {
 335     GDIOBJHDR           header;
 336     BITMAP              bitmap;
 337     SIZE                size;   /* For SetBitmapDimension() */
 338     const DC_FUNCTIONS *funcs; /* DC function table */
 339     /* For device-independent bitmaps: */
 340     DIBSECTION         *dib;
 341     RGBQUAD            *color_table;  /* DIB color table if <= 8bpp */
 342     UINT                nb_colors;    /* number of colors in table */
 343 } BITMAPOBJ;
 344
 345 /* bidi.c */
 346
 347 /* Wine_GCPW Flags */
 348 /* Directionality -
 349  * LOOSE means taking the directionality of the first strong character, if there is found one.
 350  * FORCE means the paragraph direction is forced. (RLE/LRE)
 351  */
 352 #define WINE_GCPW_FORCE_LTR 0
 353 #define WINE_GCPW_FORCE_RTL 1
 354 #define WINE_GCPW_LOOSE_LTR 2
 355 #define WINE_GCPW_LOOSE_RTL 3
 356 #define WINE_GCPW_DIR_MASK 3
 357 #define WINE_GCPW_LOOSE_MASK 2
 358
 359 extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
 360                           LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
 361
 362 /* bitmap.c */
 363 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap ) DECLSPEC_HIDDEN;
 364 extern BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, DC *dc ) DECLSPEC_HIDDEN;
 365 extern INT BITMAP_GetWidthBytes( INT bmWidth, INT bpp ) DECLSPEC_HIDDEN;
 366
 367 /* clipping.c */
 368 extern void CLIPPING_UpdateGCRegion( DC * dc ) DECLSPEC_HIDDEN;
 369
 370 /* dc.c */
 371 extern DC *alloc_dc_ptr( const DC_FUNCTIONS *funcs, WORD magic ) DECLSPEC_HIDDEN;
 372 extern BOOL free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
 373 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
 374 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
 375 extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
 376 extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
 377 extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
 378 extern INT save_dc_state( HDC hdc ) DECLSPEC_HIDDEN;
 379 extern BOOL restore_dc_state( HDC hdc, INT level ) DECLSPEC_HIDDEN;
 380
 381 /* dib.c */
 382 extern int DIB_GetDIBWidthBytes( int width, int depth ) DECLSPEC_HIDDEN;
 383 extern int DIB_GetDIBImageBytes( int width, int height, int depth ) DECLSPEC_HIDDEN;
 384 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
 385 extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, LONG *width,
 386                               LONG *height, WORD *planes, WORD *bpp, DWORD *compr, DWORD *size ) DECLSPEC_HIDDEN;
 387
 388 /* driver.c */
 389 extern const DC_FUNCTIONS *DRIVER_get_display_driver(void) DECLSPEC_HIDDEN;
 390 extern const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
 391 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
 392
 393 /* enhmetafile.c */
 394 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
 395
 396 /* freetype.c */
 397
 398 /* Undocumented structure filled in by GdiRealizationInfo */
 399 typedef struct
 400 {
 401     DWORD flags;       /* 1 for bitmap fonts, 3 for scalable fonts */
 402     DWORD cache_num;   /* keeps incrementing - num of fonts that have been created allowing for caching?? */
 403     DWORD unknown2;    /* fixed for a given font - looks like it could be the order of the face in the font list or the order
 404                           in which the face was first rendered. */
 405 } realization_info_t;
 406
 407
 408 extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
 409 extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
 410 extern GdiFont* WineEngCreateFontInstance(DC*, HFONT) DECLSPEC_HIDDEN;
 411 extern BOOL WineEngDestroyFontInstance(HFONT handle) DECLSPEC_HIDDEN;
 412 extern DWORD WineEngEnumFonts(LPLOGFONTW, FONTENUMPROCW, LPARAM) DECLSPEC_HIDDEN;
 413 extern BOOL WineEngGetCharABCWidths(GdiFont *font, UINT firstChar,
 414                                     UINT lastChar, LPABC buffer) DECLSPEC_HIDDEN;
 415 extern BOOL WineEngGetCharABCWidthsFloat(GdiFont *font, UINT firstChar,
 416                                          UINT lastChar, LPABCFLOAT buffer) DECLSPEC_HIDDEN;
 417 extern BOOL WineEngGetCharABCWidthsI(GdiFont *font, UINT firstChar,
 418                                     UINT count, LPWORD pgi, LPABC buffer) DECLSPEC_HIDDEN;
 419 extern BOOL WineEngGetCharWidth(GdiFont*, UINT, UINT, LPINT) DECLSPEC_HIDDEN;
 420 extern DWORD WineEngGetFontData(GdiFont*, DWORD, DWORD, LPVOID, DWORD) DECLSPEC_HIDDEN;
 421 extern DWORD WineEngGetFontUnicodeRanges(GdiFont *, LPGLYPHSET) DECLSPEC_HIDDEN;
 422 extern DWORD WineEngGetGlyphIndices(GdiFont *font, LPCWSTR lpstr, INT count,
 423                                     LPWORD pgi, DWORD flags) DECLSPEC_HIDDEN;
 424 extern DWORD WineEngGetGlyphOutline(GdiFont*, UINT glyph, UINT format,
 425                                     LPGLYPHMETRICS, DWORD buflen, LPVOID buf,
 426                                     const MAT2*) DECLSPEC_HIDDEN;
 427 extern DWORD WineEngGetKerningPairs(GdiFont*, DWORD, KERNINGPAIR *) DECLSPEC_HIDDEN;
 428 extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph) DECLSPEC_HIDDEN;
 429 extern UINT WineEngGetOutlineTextMetrics(GdiFont*, UINT, LPOUTLINETEXTMETRICW) DECLSPEC_HIDDEN;
 430 extern UINT WineEngGetTextCharsetInfo(GdiFont *font, LPFONTSIGNATURE fs, DWORD flags) DECLSPEC_HIDDEN;
 431 extern BOOL WineEngGetTextExtentExPoint(GdiFont*, LPCWSTR, INT, INT, LPINT, LPINT, LPSIZE) DECLSPEC_HIDDEN;
 432 extern BOOL WineEngGetTextExtentExPointI(GdiFont*, const WORD *, INT, INT, LPINT, LPINT, LPSIZE) DECLSPEC_HIDDEN;
 433 extern INT  WineEngGetTextFace(GdiFont*, INT, LPWSTR) DECLSPEC_HIDDEN;
 434 extern BOOL WineEngGetTextMetrics(GdiFont*, LPTEXTMETRICW) DECLSPEC_HIDDEN;
 435 extern BOOL WineEngFontIsLinked(GdiFont*) DECLSPEC_HIDDEN;
 436 extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
 437 extern BOOL WineEngRealizationInfo(GdiFont*, realization_info_t*) DECLSPEC_HIDDEN;
 438 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
 439
 440 /* gdiobj.c */
 441 extern HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
 442 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
 443 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
 444 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
 445 extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
 446 extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
 447 extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
 448 extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
 449 extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
 450
 451 /* metafile.c */
 452 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
 453 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
 454
 455 /* path.c */
 456
 457 #define PATH_IsPathOpen(path) ((path).state==PATH_Open)
 458 /* Returns TRUE if the specified path is in the open state, i.e. in the
 459  * state where points will be added to the path, or FALSE otherwise. This
 460  * function is implemented as a macro for performance reasons.
 461  */
 462
 463 extern void PATH_InitGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
 464 extern void PATH_DestroyGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
 465 extern BOOL PATH_AssignGdiPath(GdiPath *pPathDest, const GdiPath *pPathSrc) DECLSPEC_HIDDEN;
 466
 467 extern BOOL PATH_MoveTo(DC *dc) DECLSPEC_HIDDEN;
 468 extern BOOL PATH_LineTo(DC *dc, INT x, INT y) DECLSPEC_HIDDEN;
 469 extern BOOL PATH_Rectangle(DC *dc, INT x1, INT y1, INT x2, INT y2) DECLSPEC_HIDDEN;
 470 extern BOOL PATH_ExtTextOut(DC *dc, INT x, INT y, UINT flags, const RECT *lprc,
 471                             LPCWSTR str, UINT count, const INT *dx) DECLSPEC_HIDDEN;
 472 extern BOOL PATH_Ellipse(DC *dc, INT x1, INT y1, INT x2, INT y2) DECLSPEC_HIDDEN;
 473 extern BOOL PATH_Arc(DC *dc, INT x1, INT y1, INT x2, INT y2,
 474                      INT xStart, INT yStart, INT xEnd, INT yEnd, INT lines) DECLSPEC_HIDDEN;
 475 extern BOOL PATH_PolyBezierTo(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 476 extern BOOL PATH_PolyBezier(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 477 extern BOOL PATH_PolyDraw(DC *dc, const POINT *pts, const BYTE *types, DWORD cbCount) DECLSPEC_HIDDEN;
 478 extern BOOL PATH_PolylineTo(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 479 extern BOOL PATH_Polyline(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 480 extern BOOL PATH_Polygon(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 481 extern BOOL PATH_PolyPolyline(DC *dc, const POINT *pt, const DWORD *counts, DWORD polylines) DECLSPEC_HIDDEN;
 482 extern BOOL PATH_PolyPolygon(DC *dc, const POINT *pt, const INT *counts, UINT polygons) DECLSPEC_HIDDEN;
 483 extern BOOL PATH_RoundRect(DC *dc, INT x1, INT y1, INT x2, INT y2, INT ell_width, INT ell_height) DECLSPEC_HIDDEN;
 484
 485 /* painting.c */
 486 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
 487
 488 /* palette.c */
 489 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg);
 490 extern UINT WINAPI GDIRealizePalette( HDC hdc );
 491 extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
 492
 493 /* region.c */
 494 extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
 495 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
 496
 497 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
 498 #define DIB_PAL_MONO 2
 499
 500 BOOL WINAPI FontIsLinked(HDC);
 501
 502 BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
 503
 504 #endif /* __WINE_GDI_PRIVATE_H */