4 * Copyright 1993 Alexandre Julliard
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.
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.
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
21 #ifndef __WINE_GDI_PRIVATE_H
22 #define __WINE_GDI_PRIVATE_H
30 #include "wine/gdi_driver.h"
32 /* Metafile defines */
33 #define META_EOF 0x0000
34 /* values of mtType in METAHEADER. Note however that the disk image of a disk
35 based metafile has mtType == 1 */
36 #define METAFILE_MEMORY 1
37 #define METAFILE_DISK 2
38 #define MFHEADERSIZE (sizeof(METAHEADER))
39 #define MFVERSION 0x300
45 } EMRSETTEXTJUSTIFICATION, *PEMRSETTEXTJUSTIFICATION;
47 /* extra stock object: default 1x1 bitmap for memory DCs */
48 #define DEFAULT_BITMAP (STOCK_LAST+1)
52 HGDIOBJ (*pSelectObject)( HGDIOBJ handle, HDC hdc );
53 INT (*pGetObjectA)( HGDIOBJ handle, INT count, LPVOID buffer );
54 INT (*pGetObjectW)( HGDIOBJ handle, INT count, LPVOID buffer );
55 BOOL (*pUnrealizeObject)( HGDIOBJ handle );
56 BOOL (*pDeleteObject)( HGDIOBJ handle );
62 struct hdc_list *next;
65 typedef struct tagGDIOBJHDR
67 WORD type; /* object type (one of the OBJ_* constants) */
68 WORD system : 1; /* system object flag */
69 WORD deleted : 1; /* whether DeleteObject has been called on this object */
70 DWORD selcount; /* number of times the object is selected in a DC */
71 const struct gdi_obj_funcs *funcs;
72 struct hdc_list *hdcs;
75 /* Device functions for the Wine driver interface */
79 private_color_table = 1
84 int bit_count, width, height;
85 int stride; /* stride in bytes. Will be -ve for bottom-up dibs (see bits). */
86 struct gdi_image_bits bits; /* bits.ptr points to the top-left corner of the dib. */
88 DWORD red_mask, green_mask, blue_mask;
89 int red_shift, green_shift, blue_shift;
90 int red_len, green_len, blue_len;
93 DWORD color_table_size;
95 enum dib_info_flags flags;
97 const struct primitive_funcs *funcs;
103 DWORD dashes[16]; /* 16 is the maximum 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 */
126 typedef struct dibdrv_physdev
128 struct gdi_physdev dev;
135 COLORREF pen_colorref;
136 DWORD pen_color, pen_and, pen_xor;
137 dash_pattern pen_pattern;
139 BOOL (* pen_lines)(struct dibdrv_physdev *pdev, int num, POINT *pts);
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;
148 void *brush_and_bits, *brush_xor_bits;
149 BOOL (* brush_rects)(struct dibdrv_physdev *pdev, dib_info *dib, int num, const RECT *rects, HRGN clip);
152 DWORD bkgnd_color, bkgnd_and, bkgnd_xor;
155 #define DEFER_FORMAT 1
157 #define DEFER_BRUSH 4
159 typedef struct gdi_dc_funcs DC_FUNCTIONS;
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.
166 typedef enum tagGdiPathState
173 typedef struct tagGdiPath
178 int numEntriesUsed, numEntriesAllocated;
182 typedef struct tagGdiFont GdiFont;
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 */
195 struct tagDC *saved_dc;
196 DWORD_PTR dwHookData;
197 DCHOOKPROC hookProc; /* DC hook */
199 INT wndOrgX; /* Window origin */
201 INT wndExtX; /* Window extent */
203 INT vportOrgX; /* Viewport origin */
205 INT vportExtX; /* Viewport extent */
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 */
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) */
234 COLORREF backgroundColor;
236 COLORREF dcBrushColor;
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 */
247 INT GraphicsMode; /* Graphics mode */
248 ABORTPROC pAbortProc; /* AbortProc for Printing */
249 INT CursPosX; /* Current position */
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 */
260 #define DC_BOUNDS_ENABLE 0x0008 /* Bounding rectangle tracking is enabled */
262 /* Certain functions will do no further processing if the driver returns this.
263 Used by mfdrv for example. */
264 #define GDI_NO_MORE_WORK 2
266 /* Rounds a floating point number to integer. The world-to-viewport
267 * transformation process is done in floating point internally. This function
268 * is then used to round these coordinates to integer values.
270 static inline INT GDI_ROUND(double val)
272 return (int)floor(val + 0.5);
275 #define GET_DC_PHYSDEV(dc,func) \
276 get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func))
280 typedef struct tagBITMAPOBJ
284 SIZE size; /* For SetBitmapDimension() */
285 const DC_FUNCTIONS *funcs; /* DC function table */
286 /* For device-independent bitmaps: */
288 RGBQUAD *color_table; /* DIB color table if <= 8bpp */
289 UINT nb_colors; /* number of colors in table */
294 /* Wine_GCPW Flags */
296 * LOOSE means taking the directionality of the first strong character, if there is found one.
297 * FORCE means the paragraph direction is forced. (RLE/LRE)
299 #define WINE_GCPW_FORCE_LTR 0
300 #define WINE_GCPW_FORCE_RTL 1
301 #define WINE_GCPW_LOOSE_LTR 2
302 #define WINE_GCPW_LOOSE_RTL 3
303 #define WINE_GCPW_DIR_MASK 3
304 #define WINE_GCPW_LOOSE_MASK 2
306 extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
307 LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
310 extern void get_ddb_bitmapinfo( BITMAPOBJ *bmp, BITMAPINFO *info ) DECLSPEC_HIDDEN;
311 extern BOOL get_bitmap_image( HBITMAP hbitmap, BITMAPINFO *info, struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
312 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap ) DECLSPEC_HIDDEN;
313 extern BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, PHYSDEV physdev ) DECLSPEC_HIDDEN;
316 extern int get_clip_box( DC *dc, RECT *rect ) DECLSPEC_HIDDEN;
317 extern void CLIPPING_UpdateGCRegion( DC * dc ) DECLSPEC_HIDDEN;
319 /* Return the total clip region (if any) */
320 static inline HRGN get_clip_region( DC * dc )
322 if (dc->hMetaClipRgn) return dc->hMetaClipRgn;
323 if (dc->hMetaRgn) return dc->hMetaRgn;
328 extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
329 extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
330 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
331 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
332 extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
333 extern void push_dc_driver( DC * dc, PHYSDEV physdev, const DC_FUNCTIONS *funcs ) DECLSPEC_HIDDEN;
334 extern void pop_dc_driver( DC * dc, PHYSDEV physdev ) DECLSPEC_HIDDEN;
335 extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
336 extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
339 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
340 extern DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
341 const BITMAPINFO *dst_info, void *dst_bits ) DECLSPEC_HIDDEN;
345 extern const DC_FUNCTIONS null_driver DECLSPEC_HIDDEN;
346 extern const DC_FUNCTIONS dib_driver DECLSPEC_HIDDEN;
347 extern const DC_FUNCTIONS *DRIVER_get_display_driver(void) DECLSPEC_HIDDEN;
348 extern const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
349 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
352 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
356 /* Undocumented structure filled in by GdiRealizationInfo */
359 DWORD flags; /* 1 for bitmap fonts, 3 for scalable fonts */
360 DWORD cache_num; /* keeps incrementing - num of fonts that have been created allowing for caching?? */
361 DWORD unknown2; /* fixed for a given font - looks like it could be the order of the face in the font list or the order
362 in which the face was first rendered. */
363 } realization_info_t;
366 extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
367 extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
368 extern GdiFont* WineEngCreateFontInstance(DC*, HFONT) DECLSPEC_HIDDEN;
369 extern BOOL WineEngDestroyFontInstance(HFONT handle) DECLSPEC_HIDDEN;
370 extern DWORD WineEngEnumFonts(LPLOGFONTW, FONTENUMPROCW, LPARAM) DECLSPEC_HIDDEN;
371 extern BOOL WineEngGetCharABCWidths(GdiFont *font, UINT firstChar,
372 UINT lastChar, LPABC buffer) DECLSPEC_HIDDEN;
373 extern BOOL WineEngGetCharABCWidthsFloat(GdiFont *font, UINT firstChar,
374 UINT lastChar, LPABCFLOAT buffer) DECLSPEC_HIDDEN;
375 extern BOOL WineEngGetCharABCWidthsI(GdiFont *font, UINT firstChar,
376 UINT count, LPWORD pgi, LPABC buffer) DECLSPEC_HIDDEN;
377 extern BOOL WineEngGetCharWidth(GdiFont*, UINT, UINT, LPINT) DECLSPEC_HIDDEN;
378 extern DWORD WineEngGetFontData(GdiFont*, DWORD, DWORD, LPVOID, DWORD) DECLSPEC_HIDDEN;
379 extern DWORD WineEngGetFontUnicodeRanges(GdiFont *, LPGLYPHSET) DECLSPEC_HIDDEN;
380 extern DWORD WineEngGetGlyphIndices(GdiFont *font, LPCWSTR lpstr, INT count,
381 LPWORD pgi, DWORD flags) DECLSPEC_HIDDEN;
382 extern DWORD WineEngGetGlyphOutline(GdiFont*, UINT glyph, UINT format,
383 LPGLYPHMETRICS, DWORD buflen, LPVOID buf,
384 const MAT2*) DECLSPEC_HIDDEN;
385 extern DWORD WineEngGetKerningPairs(GdiFont*, DWORD, KERNINGPAIR *) DECLSPEC_HIDDEN;
386 extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph) DECLSPEC_HIDDEN;
387 extern UINT WineEngGetOutlineTextMetrics(GdiFont*, UINT, LPOUTLINETEXTMETRICW) DECLSPEC_HIDDEN;
388 extern UINT WineEngGetTextCharsetInfo(GdiFont *font, LPFONTSIGNATURE fs, DWORD flags) DECLSPEC_HIDDEN;
389 extern BOOL WineEngGetTextExtentExPoint(GdiFont*, LPCWSTR, INT, INT, LPINT, LPINT, LPSIZE) DECLSPEC_HIDDEN;
390 extern BOOL WineEngGetTextExtentExPointI(GdiFont*, const WORD *, INT, INT, LPINT, LPINT, LPSIZE) DECLSPEC_HIDDEN;
391 extern INT WineEngGetTextFace(GdiFont*, INT, LPWSTR) DECLSPEC_HIDDEN;
392 extern BOOL WineEngGetTextMetrics(GdiFont*, LPTEXTMETRICW) DECLSPEC_HIDDEN;
393 extern BOOL WineEngFontIsLinked(GdiFont*) DECLSPEC_HIDDEN;
394 extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
395 extern BOOL WineEngRealizationInfo(GdiFont*, realization_info_t*) DECLSPEC_HIDDEN;
396 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
399 extern HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
400 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
401 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
402 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
403 extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
404 extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
405 extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
406 extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
407 extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
410 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
411 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
415 #define PATH_IsPathOpen(path) ((path).state==PATH_Open)
416 /* Returns TRUE if the specified path is in the open state, i.e. in the
417 * state where points will be added to the path, or FALSE otherwise. This
418 * function is implemented as a macro for performance reasons.
421 extern void PATH_InitGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
422 extern void PATH_DestroyGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
423 extern BOOL PATH_AssignGdiPath(GdiPath *pPathDest, const GdiPath *pPathSrc) DECLSPEC_HIDDEN;
425 extern BOOL PATH_MoveTo(DC *dc) DECLSPEC_HIDDEN;
426 extern BOOL PATH_LineTo(DC *dc, INT x, INT y) DECLSPEC_HIDDEN;
427 extern BOOL PATH_Rectangle(DC *dc, INT x1, INT y1, INT x2, INT y2) DECLSPEC_HIDDEN;
428 extern BOOL PATH_ExtTextOut(DC *dc, INT x, INT y, UINT flags, const RECT *lprc,
429 LPCWSTR str, UINT count, const INT *dx) DECLSPEC_HIDDEN;
430 extern BOOL PATH_Ellipse(DC *dc, INT x1, INT y1, INT x2, INT y2) DECLSPEC_HIDDEN;
431 extern BOOL PATH_Arc(DC *dc, INT x1, INT y1, INT x2, INT y2,
432 INT xStart, INT yStart, INT xEnd, INT yEnd, INT lines) DECLSPEC_HIDDEN;
433 extern BOOL PATH_PolyBezierTo(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
434 extern BOOL PATH_PolyBezier(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
435 extern BOOL PATH_PolyDraw(DC *dc, const POINT *pts, const BYTE *types, DWORD cbCount) DECLSPEC_HIDDEN;
436 extern BOOL PATH_PolylineTo(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
437 extern BOOL PATH_Polyline(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
438 extern BOOL PATH_Polygon(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
439 extern BOOL PATH_PolyPolyline(DC *dc, const POINT *pt, const DWORD *counts, DWORD polylines) DECLSPEC_HIDDEN;
440 extern BOOL PATH_PolyPolygon(DC *dc, const POINT *pt, const INT *counts, UINT polygons) DECLSPEC_HIDDEN;
441 extern BOOL PATH_RoundRect(DC *dc, INT x1, INT y1, INT x2, INT y2, INT ell_width, INT ell_height) DECLSPEC_HIDDEN;
444 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
447 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
448 extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
449 extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
452 extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
453 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
462 extern const WINEREGION *get_wine_region(HRGN rgn) DECLSPEC_HIDDEN;
463 static inline void release_wine_region(HRGN rgn)
468 /* null driver entry points */
469 extern BOOL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
470 extern BOOL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
471 extern BOOL nulldrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN;
472 extern BOOL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
473 extern BOOL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
474 extern BOOL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
475 extern INT nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
476 extern INT nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
477 extern BOOL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
478 extern BOOL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
479 extern BOOL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
480 extern BOOL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
481 extern LONG nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
482 extern DWORD nulldrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info, struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
483 extern COLORREF nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
484 extern INT nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
485 extern BOOL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
486 extern BOOL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
487 extern INT nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
488 extern BOOL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
489 extern BOOL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
490 extern BOOL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
491 extern BOOL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
492 extern BOOL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
493 extern BOOL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
494 extern DWORD nulldrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info,
495 const struct gdi_image_bits *bits, struct bitblt_coords *src,
496 struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN;
497 extern BOOL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
498 extern INT nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
499 extern BOOL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
500 extern BOOL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
501 extern BOOL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
502 extern INT nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
503 INT x_src, INT y_src, UINT start, UINT lines,
504 const void *bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
505 extern INT nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
506 extern BOOL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
507 extern BOOL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
508 extern BOOL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
509 extern BOOL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
510 extern BOOL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
511 extern BOOL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
512 PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
513 extern INT nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
514 INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
515 BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
516 extern BOOL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
517 extern BOOL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
518 extern BOOL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
520 static inline DC *get_nulldrv_dc( PHYSDEV dev )
522 return CONTAINING_RECORD( dev, DC, nulldrv );
525 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
526 #define DIB_PAL_MONO 2
528 BOOL WINAPI FontIsLinked(HDC);
530 BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
532 static inline BOOL is_rect_empty( const RECT *rect )
534 return (rect->left >= rect->right || rect->top >= rect->bottom);
537 static inline BOOL intersect_rect( RECT *dst, const RECT *src1, const RECT *src2 )
539 dst->left = max( src1->left, src2->left );
540 dst->top = max( src1->top, src2->top );
541 dst->right = min( src1->right, src2->right );
542 dst->bottom = min( src1->bottom, src2->bottom );
543 return !is_rect_empty( dst );
546 static inline void offset_rect( RECT *rect, int offset_x, int offset_y )
548 rect->left += offset_x;
549 rect->top += offset_y;
550 rect->right += offset_x;
551 rect->bottom += offset_y;
554 static inline int get_bitmap_stride( int width, int bpp )
556 return ((width * bpp + 15) >> 3) & ~1;
559 static inline int get_dib_stride( int width, int bpp )
561 return ((width * bpp + 31) >> 3) & ~3;
564 static inline int get_dib_image_size( const BITMAPINFO *info )
566 return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
567 * abs( info->bmiHeader.biHeight );
570 static inline int get_dib_num_of_colors( const BITMAPINFO *info )
572 if (info->bmiHeader.biClrUsed) return min( info->bmiHeader.biClrUsed, 256 );
573 return info->bmiHeader.biBitCount > 8 ? 0 : 1 << info->bmiHeader.biBitCount;
576 static inline const struct gdi_dc_funcs *get_bitmap_funcs( const BITMAPOBJ *bitmap )
578 if( bitmap->dib ) return &dib_driver;
579 return bitmap->funcs;
582 extern void free_heap_bits( struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
584 #endif /* __WINE_GDI_PRIVATE_H */