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 gdi_physdev
  76 {
  77     const struct tagDC_FUNCS *funcs;
  78     struct gdi_physdev       *next;
  79     HDC                       hdc;
  80 } *PHYSDEV;
  81
  82 typedef struct
  83 {
  84     int bit_count, width, height;
  85     int stride; /* stride in bytes.  Will be -ve for bottom-up dibs (see bits). */
  86     void *bits; /* points to the top-left corner of the dib. */
  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     const struct primitive_funcs *funcs;
  96 } dib_info;
  97
  98 typedef struct
  99 {
 100     DWORD count;
 101     DWORD dashes[16]; /* 16 is the maximium number for a PS_USERSTYLE pen */
 102     DWORD total_len;  /* total length of the dashes, should be multiplied by 2 if there are an odd number of dash lengths */
 103 } dash_pattern;
 104
 105 typedef struct
 106 {
 107     int left_in_dash;
 108     int cur_dash;
 109     BOOL mark;
 110 } dash_pos;
 111
 112 typedef struct
 113 {
 114     DWORD and;
 115     DWORD xor;
 116 } rop_mask;
 117
 118 typedef struct
 119 {
 120     void *and;
 121     void *xor;
 122 } rop_mask_bits;
 123
 124 typedef struct dibdrv_physdev
 125 {
 126     struct gdi_physdev dev;
 127     dib_info dib;
 128
 129     HRGN clip;
 130     DWORD defer;
 131
 132     /* pen */
 133     COLORREF pen_colorref;
 134     DWORD pen_color, pen_and, pen_xor;
 135     dash_pattern pen_pattern;
 136     dash_pos dash_pos;
 137     BOOL   (* pen_line)(struct dibdrv_physdev *pdev, POINT *start, POINT *end);
 138
 139     /* brush */
 140     UINT brush_style;
 141     UINT brush_hatch;
 142     INT brush_rop;   /* PatBlt, for example, can override the DC's rop2 */
 143     COLORREF brush_colorref;
 144     DWORD brush_color, brush_and, brush_xor;
 145     dib_info brush_dib;
 146     void *brush_and_bits, *brush_xor_bits;
 147     BOOL   (* brush_rects)(struct dibdrv_physdev *pdev, int num, RECT *rects);
 148
 149     /* background */
 150     DWORD bkgnd_color, bkgnd_and, bkgnd_xor;
 151 } dibdrv_physdev;
 152
 153 #define DEFER_FORMAT     1
 154 #define DEFER_PEN        2
 155 #define DEFER_BRUSH      4
 156
 157 typedef struct tagDC_FUNCS
 158 {
 159     INT      (CDECL *pAbortDoc)(PHYSDEV);
 160     BOOL     (CDECL *pAbortPath)(PHYSDEV);
 161     BOOL     (CDECL *pAlphaBlend)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,BLENDFUNCTION);
 162     BOOL     (CDECL *pAngleArc)(PHYSDEV,INT,INT,DWORD,FLOAT,FLOAT);
 163     BOOL     (CDECL *pArc)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
 164     BOOL     (CDECL *pArcTo)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
 165     BOOL     (CDECL *pBeginPath)(PHYSDEV);
 166     INT      (CDECL *pChoosePixelFormat)(PHYSDEV,const PIXELFORMATDESCRIPTOR *);
 167     BOOL     (CDECL *pChord)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
 168     BOOL     (CDECL *pCloseFigure)(PHYSDEV);
 169     BOOL     (CDECL *pCreateBitmap)(PHYSDEV,HBITMAP,LPVOID);
 170     BOOL     (CDECL *pCreateDC)(HDC,PHYSDEV *,LPCWSTR,LPCWSTR,LPCWSTR,const DEVMODEW*);
 171     HBITMAP  (CDECL *pCreateDIBSection)(PHYSDEV,HBITMAP,const BITMAPINFO *,UINT);
 172     BOOL     (CDECL *pDeleteBitmap)(HBITMAP);
 173     BOOL     (CDECL *pDeleteDC)(PHYSDEV);
 174     BOOL     (CDECL *pDeleteObject)(PHYSDEV,HGDIOBJ);
 175     INT      (CDECL *pDescribePixelFormat)(PHYSDEV,INT,UINT,PIXELFORMATDESCRIPTOR *);
 176     DWORD    (CDECL *pDeviceCapabilities)(LPSTR,LPCSTR,LPCSTR,WORD,LPSTR,LPDEVMODEA);
 177     BOOL     (CDECL *pEllipse)(PHYSDEV,INT,INT,INT,INT);
 178     INT      (CDECL *pEndDoc)(PHYSDEV);
 179     INT      (CDECL *pEndPage)(PHYSDEV);
 180     BOOL     (CDECL *pEndPath)(PHYSDEV);
 181     BOOL     (CDECL *pEnumDeviceFonts)(PHYSDEV,LPLOGFONTW,FONTENUMPROCW,LPARAM);
 182     INT      (CDECL *pEnumICMProfiles)(PHYSDEV,ICMENUMPROCW,LPARAM);
 183     INT      (CDECL *pExcludeClipRect)(PHYSDEV,INT,INT,INT,INT);
 184     INT      (CDECL *pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
 185     INT      (CDECL *pExtEscape)(PHYSDEV,INT,INT,LPCVOID,INT,LPVOID);
 186     BOOL     (CDECL *pExtFloodFill)(PHYSDEV,INT,INT,COLORREF,UINT);
 187     INT      (CDECL *pExtSelectClipRgn)(PHYSDEV,HRGN,INT);
 188     BOOL     (CDECL *pExtTextOut)(PHYSDEV,INT,INT,UINT,const RECT*,LPCWSTR,UINT,const INT*);
 189     BOOL     (CDECL *pFillPath)(PHYSDEV);
 190     BOOL     (CDECL *pFillRgn)(PHYSDEV,HRGN,HBRUSH);
 191     BOOL     (CDECL *pFlattenPath)(PHYSDEV);
 192     BOOL     (CDECL *pFrameRgn)(PHYSDEV,HRGN,HBRUSH,INT,INT);
 193     BOOL     (CDECL *pGdiComment)(PHYSDEV,UINT,CONST BYTE*);
 194     LONG     (CDECL *pGetBitmapBits)(HBITMAP,void*,LONG);
 195     BOOL     (CDECL *pGetCharWidth)(PHYSDEV,UINT,UINT,LPINT);
 196     INT      (CDECL *pGetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPVOID,BITMAPINFO*,UINT);
 197     INT      (CDECL *pGetDeviceCaps)(PHYSDEV,INT);
 198     BOOL     (CDECL *pGetDeviceGammaRamp)(PHYSDEV,LPVOID);
 199     BOOL     (CDECL *pGetICMProfile)(PHYSDEV,LPDWORD,LPWSTR);
 200     COLORREF (CDECL *pGetNearestColor)(PHYSDEV,COLORREF);
 201     COLORREF (CDECL *pGetPixel)(PHYSDEV,INT,INT);
 202     INT      (CDECL *pGetPixelFormat)(PHYSDEV);
 203     UINT     (CDECL *pGetSystemPaletteEntries)(PHYSDEV,UINT,UINT,LPPALETTEENTRY);
 204     BOOL     (CDECL *pGetTextExtentExPoint)(PHYSDEV,LPCWSTR,INT,INT,LPINT,LPINT,LPSIZE);
 205     BOOL     (CDECL *pGetTextMetrics)(PHYSDEV,TEXTMETRICW*);
 206     INT      (CDECL *pIntersectClipRect)(PHYSDEV,INT,INT,INT,INT);
 207     BOOL     (CDECL *pInvertRgn)(PHYSDEV,HRGN);
 208     BOOL     (CDECL *pLineTo)(PHYSDEV,INT,INT);
 209     BOOL     (CDECL *pModifyWorldTransform)(PHYSDEV,const XFORM*,DWORD);
 210     BOOL     (CDECL *pMoveTo)(PHYSDEV,INT,INT);
 211     INT      (CDECL *pOffsetClipRgn)(PHYSDEV,INT,INT);
 212     BOOL     (CDECL *pOffsetViewportOrgEx)(PHYSDEV,INT,INT,POINT*);
 213     BOOL     (CDECL *pOffsetWindowOrgEx)(PHYSDEV,INT,INT,POINT*);
 214     BOOL     (CDECL *pPaintRgn)(PHYSDEV,HRGN);
 215     BOOL     (CDECL *pPatBlt)(PHYSDEV,INT,INT,INT,INT,DWORD);
 216     BOOL     (CDECL *pPie)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
 217     BOOL     (CDECL *pPolyBezier)(PHYSDEV,const POINT*,DWORD);
 218     BOOL     (CDECL *pPolyBezierTo)(PHYSDEV,const POINT*,DWORD);
 219     BOOL     (CDECL *pPolyDraw)(PHYSDEV,const POINT*,const BYTE *,DWORD);
 220     BOOL     (CDECL *pPolyPolygon)(PHYSDEV,const POINT*,const INT*,UINT);
 221     BOOL     (CDECL *pPolyPolyline)(PHYSDEV,const POINT*,const DWORD*,DWORD);
 222     BOOL     (CDECL *pPolygon)(PHYSDEV,const POINT*,INT);
 223     BOOL     (CDECL *pPolyline)(PHYSDEV,const POINT*,INT);
 224     BOOL     (CDECL *pPolylineTo)(PHYSDEV,const POINT*,INT);
 225     UINT     (CDECL *pRealizeDefaultPalette)(PHYSDEV);
 226     UINT     (CDECL *pRealizePalette)(PHYSDEV,HPALETTE,BOOL);
 227     BOOL     (CDECL *pRectangle)(PHYSDEV,INT,INT,INT,INT);
 228     HDC      (CDECL *pResetDC)(PHYSDEV,const DEVMODEW*);
 229     BOOL     (CDECL *pRestoreDC)(PHYSDEV,INT);
 230     BOOL     (CDECL *pRoundRect)(PHYSDEV,INT,INT,INT,INT,INT,INT);
 231     INT      (CDECL *pSaveDC)(PHYSDEV);
 232     BOOL     (CDECL *pScaleViewportExtEx)(PHYSDEV,INT,INT,INT,INT,SIZE*);
 233     BOOL     (CDECL *pScaleWindowExtEx)(PHYSDEV,INT,INT,INT,INT,SIZE*);
 234     HBITMAP  (CDECL *pSelectBitmap)(PHYSDEV,HBITMAP);
 235     HBRUSH   (CDECL *pSelectBrush)(PHYSDEV,HBRUSH);
 236     BOOL     (CDECL *pSelectClipPath)(PHYSDEV,INT);
 237     HFONT    (CDECL *pSelectFont)(PHYSDEV,HFONT,HANDLE);
 238     HPALETTE (CDECL *pSelectPalette)(PHYSDEV,HPALETTE,BOOL);
 239     HPEN     (CDECL *pSelectPen)(PHYSDEV,HPEN);
 240     INT      (CDECL *pSetArcDirection)(PHYSDEV,INT);
 241     LONG     (CDECL *pSetBitmapBits)(HBITMAP,const void*,LONG);
 242     COLORREF (CDECL *pSetBkColor)(PHYSDEV,COLORREF);
 243     INT      (CDECL *pSetBkMode)(PHYSDEV,INT);
 244     COLORREF (CDECL *pSetDCBrushColor)(PHYSDEV, COLORREF);
 245     COLORREF (CDECL *pSetDCPenColor)(PHYSDEV, COLORREF);
 246     UINT     (CDECL *pSetDIBColorTable)(PHYSDEV,UINT,UINT,const RGBQUAD*);
 247     INT      (CDECL *pSetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPCVOID,const BITMAPINFO*,UINT);
 248     INT      (CDECL *pSetDIBitsToDevice)(PHYSDEV,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT,LPCVOID,
 249                                            const BITMAPINFO*,UINT);
 250     VOID     (CDECL *pSetDeviceClipping)(PHYSDEV,HRGN,HRGN);
 251     BOOL     (CDECL *pSetDeviceGammaRamp)(PHYSDEV,LPVOID);
 252     DWORD    (CDECL *pSetLayout)(PHYSDEV,DWORD);
 253     INT      (CDECL *pSetMapMode)(PHYSDEV,INT);
 254     DWORD    (CDECL *pSetMapperFlags)(PHYSDEV,DWORD);
 255     COLORREF (CDECL *pSetPixel)(PHYSDEV,INT,INT,COLORREF);
 256     BOOL     (CDECL *pSetPixelFormat)(PHYSDEV,INT,const PIXELFORMATDESCRIPTOR *);
 257     INT      (CDECL *pSetPolyFillMode)(PHYSDEV,INT);
 258     INT      (CDECL *pSetROP2)(PHYSDEV,INT);
 259     INT      (CDECL *pSetRelAbs)(PHYSDEV,INT);
 260     INT      (CDECL *pSetStretchBltMode)(PHYSDEV,INT);
 261     UINT     (CDECL *pSetTextAlign)(PHYSDEV,UINT);
 262     INT      (CDECL *pSetTextCharacterExtra)(PHYSDEV,INT);
 263     COLORREF (CDECL *pSetTextColor)(PHYSDEV,COLORREF);
 264     BOOL     (CDECL *pSetTextJustification)(PHYSDEV,INT,INT);
 265     BOOL     (CDECL *pSetViewportExtEx)(PHYSDEV,INT,INT,SIZE*);
 266     BOOL     (CDECL *pSetViewportOrgEx)(PHYSDEV,INT,INT,POINT*);
 267     BOOL     (CDECL *pSetWindowExtEx)(PHYSDEV,INT,INT,SIZE*);
 268     BOOL     (CDECL *pSetWindowOrgEx)(PHYSDEV,INT,INT,POINT*);
 269     BOOL     (CDECL *pSetWorldTransform)(PHYSDEV,const XFORM*);
 270     INT      (CDECL *pStartDoc)(PHYSDEV,const DOCINFOW*);
 271     INT      (CDECL *pStartPage)(PHYSDEV);
 272     BOOL     (CDECL *pStretchBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,DWORD);
 273     INT      (CDECL *pStretchDIBits)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT,const void *,
 274                                        const BITMAPINFO*,UINT,DWORD);
 275     BOOL     (CDECL *pStrokeAndFillPath)(PHYSDEV);
 276     BOOL     (CDECL *pStrokePath)(PHYSDEV);
 277     BOOL     (CDECL *pSwapBuffers)(PHYSDEV);
 278     BOOL     (CDECL *pUnrealizePalette)(HPALETTE);
 279     BOOL     (CDECL *pWidenPath)(PHYSDEV);
 280
 281     /* OpenGL32 */
 282     BOOL     (CDECL *pwglCopyContext)(HGLRC, HGLRC, UINT);
 283     HGLRC    (CDECL *pwglCreateContext)(PHYSDEV);
 284     HGLRC    (CDECL *pwglCreateContextAttribsARB)(PHYSDEV, HGLRC, const int*);
 285     BOOL     (CDECL *pwglDeleteContext)(HGLRC);
 286     PROC     (CDECL *pwglGetProcAddress)(LPCSTR);
 287     HDC      (CDECL *pwglGetPbufferDCARB)(PHYSDEV, void*);
 288     BOOL     (CDECL *pwglMakeCurrent)(PHYSDEV, HGLRC);
 289     BOOL     (CDECL *pwglMakeContextCurrentARB)(PHYSDEV, PHYSDEV, HGLRC);
 290     BOOL     (CDECL *pwglSetPixelFormatWINE)(PHYSDEV,INT,const PIXELFORMATDESCRIPTOR *);
 291     BOOL     (CDECL *pwglShareLists)(HGLRC hglrc1, HGLRC hglrc2);
 292     BOOL     (CDECL *pwglUseFontBitmapsA)(PHYSDEV, DWORD, DWORD, DWORD);
 293     BOOL     (CDECL *pwglUseFontBitmapsW)(PHYSDEV, DWORD, DWORD, DWORD);
 294 } DC_FUNCTIONS;
 295
 296 /* It should not be necessary to access the contents of the GdiPath
 297  * structure directly; if you find that the exported functions don't
 298  * allow you to do what you want, then please place a new exported
 299  * function that does this job in path.c.
 300  */
 301 typedef enum tagGdiPathState
 302 {
 303    PATH_Null,
 304    PATH_Open,
 305    PATH_Closed
 306 } GdiPathState;
 307
 308 typedef struct tagGdiPath
 309 {
 310    GdiPathState state;
 311    POINT      *pPoints;
 312    BYTE         *pFlags;
 313    int          numEntriesUsed, numEntriesAllocated;
 314    BOOL       newStroke;
 315 } GdiPath;
 316
 317 typedef struct tagGdiFont GdiFont;
 318
 319 typedef struct tagDC
 320 {
 321     GDIOBJHDR    header;
 322     HDC          hSelf;            /* Handle to this DC */
 323     struct gdi_physdev nulldrv;    /* physdev for the null driver */
 324     struct dibdrv_physdev dibdrv;  /* physdev for the dib driver */
 325     PHYSDEV      physDev;         /* Physical device (driver-specific) */
 326     DWORD        thread;          /* thread owning the DC */
 327     LONG         refcount;        /* thread refcount */
 328     LONG         dirty;           /* dirty flag */
 329     INT          saveLevel;
 330     struct tagDC *saved_dc;
 331     DWORD_PTR    dwHookData;
 332     DCHOOKPROC   hookProc;         /* DC hook */
 333
 334     INT          wndOrgX;          /* Window origin */
 335     INT          wndOrgY;
 336     INT          wndExtX;          /* Window extent */
 337     INT          wndExtY;
 338     INT          vportOrgX;        /* Viewport origin */
 339     INT          vportOrgY;
 340     INT          vportExtX;        /* Viewport extent */
 341     INT          vportExtY;
 342     SIZE         virtual_res;      /* Initially HORZRES,VERTRES. Changed by SetVirtualResolution */
 343     SIZE         virtual_size;     /* Initially HORZSIZE,VERTSIZE. Changed by SetVirtualResolution */
 344     RECT         vis_rect;         /* visible rectangle in screen coords */
 345     FLOAT        miterLimit;
 346
 347     int           flags;
 348     DWORD         layout;
 349     HRGN          hClipRgn;      /* Clip region (may be 0) */
 350     HRGN          hMetaRgn;      /* Meta region (may be 0) */
 351     HRGN          hMetaClipRgn;  /* Intersection of meta and clip regions (may be 0) */
 352     HRGN          hVisRgn;       /* Visible region (must never be 0) */
 353     HPEN          hPen;
 354     HBRUSH        hBrush;
 355     HFONT         hFont;
 356     HBITMAP       hBitmap;
 357     HANDLE        hDevice;
 358     HPALETTE      hPalette;
 359
 360     GdiFont      *gdiFont;
 361     GdiPath       path;
 362
 363     UINT          font_code_page;
 364     WORD          ROPmode;
 365     WORD          polyFillMode;
 366     WORD          stretchBltMode;
 367     WORD          relAbsMode;
 368     WORD          backgroundMode;
 369     COLORREF      backgroundColor;
 370     COLORREF      textColor;
 371     COLORREF      dcBrushColor;
 372     COLORREF      dcPenColor;
 373     short         brushOrgX;
 374     short         brushOrgY;
 375
 376     DWORD         mapperFlags;       /* Font mapper flags */
 377     WORD          textAlign;         /* Text alignment from SetTextAlign() */
 378     INT           charExtra;         /* Spacing from SetTextCharacterExtra() */
 379     INT           breakExtra;        /* breakTotalExtra / breakCount */
 380     INT           breakRem;          /* breakTotalExtra % breakCount */
 381     INT           MapMode;
 382     INT           GraphicsMode;      /* Graphics mode */
 383     ABORTPROC     pAbortProc;        /* AbortProc for Printing */
 384     INT           CursPosX;          /* Current position */
 385     INT           CursPosY;
 386     INT           ArcDirection;
 387     XFORM         xformWorld2Wnd;    /* World-to-window transformation */
 388     XFORM         xformWorld2Vport;  /* World-to-viewport transformation */
 389     XFORM         xformVport2World;  /* Inverse of the above transformation */
 390     BOOL          vport2WorldValid;  /* Is xformVport2World valid? */
 391     RECT          BoundsRect;        /* Current bounding rect */
 392 } DC;
 393
 394   /* DC flags */
 395 #define DC_BOUNDS_ENABLE 0x0008   /* Bounding rectangle tracking is enabled */
 396 #define DC_BOUNDS_SET    0x0010   /* Bounding rectangle has been set */
 397
 398 /* Certain functions will do no further processing if the driver returns this.
 399    Used by mfdrv for example. */
 400 #define GDI_NO_MORE_WORK 2
 401
 402 /* Rounds a floating point number to integer. The world-to-viewport
 403  * transformation process is done in floating point internally. This function
 404  * is then used to round these coordinates to integer values.
 405  */
 406 static inline INT GDI_ROUND(double val)
 407 {
 408    return (int)floor(val + 0.5);
 409 }
 410
 411 /* bitmap object */
 412
 413 typedef struct tagBITMAPOBJ
 414 {
 415     GDIOBJHDR           header;
 416     BITMAP              bitmap;
 417     SIZE                size;   /* For SetBitmapDimension() */
 418     const DC_FUNCTIONS *funcs; /* DC function table */
 419     /* For device-independent bitmaps: */
 420     DIBSECTION         *dib;
 421     RGBQUAD            *color_table;  /* DIB color table if <= 8bpp */
 422     UINT                nb_colors;    /* number of colors in table */
 423 } BITMAPOBJ;
 424
 425 /* bidi.c */
 426
 427 /* Wine_GCPW Flags */
 428 /* Directionality -
 429  * LOOSE means taking the directionality of the first strong character, if there is found one.
 430  * FORCE means the paragraph direction is forced. (RLE/LRE)
 431  */
 432 #define WINE_GCPW_FORCE_LTR 0
 433 #define WINE_GCPW_FORCE_RTL 1
 434 #define WINE_GCPW_LOOSE_LTR 2
 435 #define WINE_GCPW_LOOSE_RTL 3
 436 #define WINE_GCPW_DIR_MASK 3
 437 #define WINE_GCPW_LOOSE_MASK 2
 438
 439 extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
 440                           LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
 441
 442 /* bitmap.c */
 443 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap ) DECLSPEC_HIDDEN;
 444 extern BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, PHYSDEV physdev ) DECLSPEC_HIDDEN;
 445 extern INT BITMAP_GetWidthBytes( INT bmWidth, INT bpp ) DECLSPEC_HIDDEN;
 446
 447 /* clipping.c */
 448 extern void CLIPPING_UpdateGCRegion( DC * dc ) DECLSPEC_HIDDEN;
 449
 450 /* Return the total clip region (if any) */
 451 static inline HRGN get_clip_region( DC * dc )
 452 {
 453     if (dc->hMetaClipRgn) return dc->hMetaClipRgn;
 454     if (dc->hMetaRgn) return dc->hMetaRgn;
 455     return dc->hClipRgn;
 456 }
 457
 458 /* dc.c */
 459 extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
 460 extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
 461 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
 462 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
 463 extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
 464 extern void push_dc_driver( DC * dc, PHYSDEV physdev, const DC_FUNCTIONS *funcs ) DECLSPEC_HIDDEN;
 465 extern void pop_dc_driver( DC * dc, PHYSDEV physdev ) DECLSPEC_HIDDEN;
 466 extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
 467 extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
 468
 469 /* dib.c */
 470 extern int DIB_GetDIBWidthBytes( int width, int depth ) DECLSPEC_HIDDEN;
 471 extern int DIB_GetDIBImageBytes( int width, int height, int depth ) DECLSPEC_HIDDEN;
 472 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
 473 extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, LONG *width,
 474                               LONG *height, WORD *planes, WORD *bpp, DWORD *compr, DWORD *size ) DECLSPEC_HIDDEN;
 475
 476 /* driver.c */
 477 extern const DC_FUNCTIONS null_driver DECLSPEC_HIDDEN;
 478 extern const DC_FUNCTIONS dib_driver DECLSPEC_HIDDEN;
 479 extern const DC_FUNCTIONS *DRIVER_get_display_driver(void) DECLSPEC_HIDDEN;
 480 extern const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
 481 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
 482
 483 static inline PHYSDEV get_physdev_entry_point( PHYSDEV dev, size_t offset )
 484 {
 485     while (!((void **)dev->funcs)[offset / sizeof(void *)]) dev = dev->next;
 486     return dev;
 487 }
 488
 489 #define GET_DC_PHYSDEV(dc,func) get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(DC_FUNCTIONS,func))
 490 #define GET_NEXT_PHYSDEV(dev,func) get_physdev_entry_point( (dev)->next, FIELD_OFFSET(DC_FUNCTIONS,func))
 491
 492 /* enhmetafile.c */
 493 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
 494
 495 /* freetype.c */
 496
 497 /* Undocumented structure filled in by GdiRealizationInfo */
 498 typedef struct
 499 {
 500     DWORD flags;       /* 1 for bitmap fonts, 3 for scalable fonts */
 501     DWORD cache_num;   /* keeps incrementing - num of fonts that have been created allowing for caching?? */
 502     DWORD unknown2;    /* fixed for a given font - looks like it could be the order of the face in the font list or the order
 503                           in which the face was first rendered. */
 504 } realization_info_t;
 505
 506
 507 extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
 508 extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
 509 extern GdiFont* WineEngCreateFontInstance(DC*, HFONT) DECLSPEC_HIDDEN;
 510 extern BOOL WineEngDestroyFontInstance(HFONT handle) DECLSPEC_HIDDEN;
 511 extern DWORD WineEngEnumFonts(LPLOGFONTW, FONTENUMPROCW, LPARAM) DECLSPEC_HIDDEN;
 512 extern BOOL WineEngGetCharABCWidths(GdiFont *font, UINT firstChar,
 513                                     UINT lastChar, LPABC buffer) DECLSPEC_HIDDEN;
 514 extern BOOL WineEngGetCharABCWidthsFloat(GdiFont *font, UINT firstChar,
 515                                          UINT lastChar, LPABCFLOAT buffer) DECLSPEC_HIDDEN;
 516 extern BOOL WineEngGetCharABCWidthsI(GdiFont *font, UINT firstChar,
 517                                     UINT count, LPWORD pgi, LPABC buffer) DECLSPEC_HIDDEN;
 518 extern BOOL WineEngGetCharWidth(GdiFont*, UINT, UINT, LPINT) DECLSPEC_HIDDEN;
 519 extern DWORD WineEngGetFontData(GdiFont*, DWORD, DWORD, LPVOID, DWORD) DECLSPEC_HIDDEN;
 520 extern DWORD WineEngGetFontUnicodeRanges(GdiFont *, LPGLYPHSET) DECLSPEC_HIDDEN;
 521 extern DWORD WineEngGetGlyphIndices(GdiFont *font, LPCWSTR lpstr, INT count,
 522                                     LPWORD pgi, DWORD flags) DECLSPEC_HIDDEN;
 523 extern DWORD WineEngGetGlyphOutline(GdiFont*, UINT glyph, UINT format,
 524                                     LPGLYPHMETRICS, DWORD buflen, LPVOID buf,
 525                                     const MAT2*) DECLSPEC_HIDDEN;
 526 extern DWORD WineEngGetKerningPairs(GdiFont*, DWORD, KERNINGPAIR *) DECLSPEC_HIDDEN;
 527 extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph) DECLSPEC_HIDDEN;
 528 extern UINT WineEngGetOutlineTextMetrics(GdiFont*, UINT, LPOUTLINETEXTMETRICW) DECLSPEC_HIDDEN;
 529 extern UINT WineEngGetTextCharsetInfo(GdiFont *font, LPFONTSIGNATURE fs, DWORD flags) DECLSPEC_HIDDEN;
 530 extern BOOL WineEngGetTextExtentExPoint(GdiFont*, LPCWSTR, INT, INT, LPINT, LPINT, LPSIZE) DECLSPEC_HIDDEN;
 531 extern BOOL WineEngGetTextExtentExPointI(GdiFont*, const WORD *, INT, INT, LPINT, LPINT, LPSIZE) DECLSPEC_HIDDEN;
 532 extern INT  WineEngGetTextFace(GdiFont*, INT, LPWSTR) DECLSPEC_HIDDEN;
 533 extern BOOL WineEngGetTextMetrics(GdiFont*, LPTEXTMETRICW) DECLSPEC_HIDDEN;
 534 extern BOOL WineEngFontIsLinked(GdiFont*) DECLSPEC_HIDDEN;
 535 extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
 536 extern BOOL WineEngRealizationInfo(GdiFont*, realization_info_t*) DECLSPEC_HIDDEN;
 537 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
 538
 539 /* gdiobj.c */
 540 extern HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
 541 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
 542 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
 543 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
 544 extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
 545 extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
 546 extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
 547 extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
 548 extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
 549
 550 /* metafile.c */
 551 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
 552 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
 553
 554 /* path.c */
 555
 556 #define PATH_IsPathOpen(path) ((path).state==PATH_Open)
 557 /* Returns TRUE if the specified path is in the open state, i.e. in the
 558  * state where points will be added to the path, or FALSE otherwise. This
 559  * function is implemented as a macro for performance reasons.
 560  */
 561
 562 extern void PATH_InitGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
 563 extern void PATH_DestroyGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
 564 extern BOOL PATH_AssignGdiPath(GdiPath *pPathDest, const GdiPath *pPathSrc) DECLSPEC_HIDDEN;
 565
 566 extern BOOL PATH_MoveTo(DC *dc) DECLSPEC_HIDDEN;
 567 extern BOOL PATH_LineTo(DC *dc, INT x, INT y) DECLSPEC_HIDDEN;
 568 extern BOOL PATH_Rectangle(DC *dc, INT x1, INT y1, INT x2, INT y2) DECLSPEC_HIDDEN;
 569 extern BOOL PATH_ExtTextOut(DC *dc, INT x, INT y, UINT flags, const RECT *lprc,
 570                             LPCWSTR str, UINT count, const INT *dx) DECLSPEC_HIDDEN;
 571 extern BOOL PATH_Ellipse(DC *dc, INT x1, INT y1, INT x2, INT y2) DECLSPEC_HIDDEN;
 572 extern BOOL PATH_Arc(DC *dc, INT x1, INT y1, INT x2, INT y2,
 573                      INT xStart, INT yStart, INT xEnd, INT yEnd, INT lines) DECLSPEC_HIDDEN;
 574 extern BOOL PATH_PolyBezierTo(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 575 extern BOOL PATH_PolyBezier(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 576 extern BOOL PATH_PolyDraw(DC *dc, const POINT *pts, const BYTE *types, DWORD cbCount) DECLSPEC_HIDDEN;
 577 extern BOOL PATH_PolylineTo(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 578 extern BOOL PATH_Polyline(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 579 extern BOOL PATH_Polygon(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
 580 extern BOOL PATH_PolyPolyline(DC *dc, const POINT *pt, const DWORD *counts, DWORD polylines) DECLSPEC_HIDDEN;
 581 extern BOOL PATH_PolyPolygon(DC *dc, const POINT *pt, const INT *counts, UINT polygons) DECLSPEC_HIDDEN;
 582 extern BOOL PATH_RoundRect(DC *dc, INT x1, INT y1, INT x2, INT y2, INT ell_width, INT ell_height) DECLSPEC_HIDDEN;
 583
 584 /* painting.c */
 585 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
 586
 587 /* palette.c */
 588 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
 589 extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
 590 extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
 591
 592 /* region.c */
 593 extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
 594 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
 595
 596 typedef struct
 597 {
 598     INT size;
 599     INT numRects;
 600     RECT *rects;
 601     RECT extents;
 602 } WINEREGION;
 603 extern const WINEREGION *get_wine_region(HRGN rgn) DECLSPEC_HIDDEN;
 604 static inline void release_wine_region(HRGN rgn)
 605 {
 606     GDI_ReleaseObj(rgn);
 607 }
 608
 609 /* null driver entry points */
 610 extern BOOL CDECL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 611 extern BOOL CDECL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
 612 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;
 613 extern BOOL CDECL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 614 extern BOOL CDECL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
 615 extern BOOL CDECL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 616 extern INT  CDECL nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
 617 extern INT  CDECL nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
 618 extern BOOL CDECL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 619 extern BOOL CDECL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
 620 extern BOOL CDECL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 621 extern BOOL CDECL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
 622 extern LONG CDECL nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
 623 extern INT  CDECL nulldrv_GetDIBits( PHYSDEV dev, HBITMAP bitmap, UINT start, UINT lines, LPVOID bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
 624 extern COLORREF CDECL nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
 625 extern INT  CDECL nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
 626 extern BOOL CDECL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
 627 extern BOOL CDECL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
 628 extern INT  CDECL nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
 629 extern BOOL CDECL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
 630 extern BOOL CDECL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
 631 extern BOOL CDECL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
 632 extern BOOL CDECL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
 633 extern BOOL CDECL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
 634 extern BOOL CDECL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
 635 extern BOOL CDECL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
 636 extern INT  CDECL nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
 637 extern BOOL CDECL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
 638 extern BOOL CDECL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
 639 extern BOOL CDECL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
 640 extern LONG CDECL nulldrv_SetBitmapBits( HBITMAP bitmap, const void *bits, LONG size ) DECLSPEC_HIDDEN;
 641 extern INT  CDECL nulldrv_SetDIBits( PHYSDEV dev, HBITMAP bitmap, UINT start, UINT lines, const void *bits, const BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
 642 extern INT  CDECL nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
 643 extern BOOL CDECL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
 644 extern BOOL CDECL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
 645 extern BOOL CDECL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
 646 extern BOOL CDECL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
 647 extern BOOL CDECL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
 648 extern BOOL CDECL nulldrv_StretchBlt( PHYSDEV dst_dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
 649                                       PHYSDEV src_dev, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, DWORD rop ) DECLSPEC_HIDDEN;
 650 extern INT  CDECL nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
 651                                          INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
 652                                          const BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
 653 extern BOOL CDECL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 654 extern BOOL CDECL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 655 extern BOOL CDECL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
 656
 657 static inline DC *get_nulldrv_dc( PHYSDEV dev )
 658 {
 659     return CONTAINING_RECORD( dev, DC, nulldrv );
 660 }
 661
 662 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
 663 #define DIB_PAL_MONO 2
 664
 665 BOOL WINAPI FontIsLinked(HDC);
 666
 667 BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
 668
 669 #endif /* __WINE_GDI_PRIVATE_H */