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gdi32: Implement SelectFont as a standard driver entry point.
[wine.git] / dlls / gdi32 / gdi_private.h
blobf59379bc680000e6eb78a8d67c54a873d7a3999e
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 <stdlib.h>
26 #include <stdarg.h>
27 #include "windef.h"
28 #include "winbase.h"
29 #include "wingdi.h"
30 #include "wine/gdi_driver.h"
31
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
40
41 typedef struct {
42 EMR emr;
43 INT nBreakExtra;
44 INT nBreakCount;
45 } EMRSETTEXTJUSTIFICATION, *PEMRSETTEXTJUSTIFICATION;
46
47 /* extra stock object: default 1x1 bitmap for memory DCs */
48 #define DEFAULT_BITMAP (STOCK_LAST+1)
49
50 struct gdi_obj_funcs
51 {
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 );
57 };
58
59 struct hdc_list
60 {
61 HDC hdc;
62 struct hdc_list *next;
63 };
64
65 typedef struct tagGDIOBJHDR
66 {
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;
73 } GDIOBJHDR;
74
75 /* It should not be necessary to access the contents of the GdiPath
76 * structure directly; if you find that the exported functions don't
77 * allow you to do what you want, then please place a new exported
78 * function that does this job in path.c.
79 */
80 typedef enum tagGdiPathState
81 {
82 PATH_Null,
83 PATH_Open,
84 PATH_Closed
85 } GdiPathState;
86
87 typedef struct tagGdiPath
88 {
89 GdiPathState state;
90 POINT *pPoints;
91 BYTE *pFlags;
92 int numEntriesUsed, numEntriesAllocated;
93 BOOL newStroke;
94 } GdiPath;
95
96 typedef struct tagGdiFont GdiFont;
97
98 typedef struct tagDC
99 {
100 GDIOBJHDR header;
101 HDC hSelf; /* Handle to this DC */
102 struct gdi_physdev nulldrv; /* physdev for the null driver */
103 PHYSDEV dibdrv; /* physdev for the dib driver */
104 PHYSDEV physDev; /* current top of the physdev stack */
105 DWORD thread; /* thread owning the DC */
106 LONG refcount; /* thread refcount */
107 LONG dirty; /* dirty flag */
108 INT saveLevel;
109 struct tagDC *saved_dc;
110 DWORD_PTR dwHookData;
111 DCHOOKPROC hookProc; /* DC hook */
112
113 INT wndOrgX; /* Window origin */
114 INT wndOrgY;
115 INT wndExtX; /* Window extent */
116 INT wndExtY;
117 INT vportOrgX; /* Viewport origin */
118 INT vportOrgY;
119 INT vportExtX; /* Viewport extent */
120 INT vportExtY;
121 SIZE virtual_res; /* Initially HORZRES,VERTRES. Changed by SetVirtualResolution */
122 SIZE virtual_size; /* Initially HORZSIZE,VERTSIZE. Changed by SetVirtualResolution */
123 RECT vis_rect; /* visible rectangle in screen coords */
124 FLOAT miterLimit;
125
126 int flags;
127 DWORD layout;
128 HRGN hClipRgn; /* Clip region (may be 0) */
129 HRGN hMetaRgn; /* Meta region (may be 0) */
130 HRGN hMetaClipRgn; /* Intersection of meta and clip regions (may be 0) */
131 HRGN hVisRgn; /* Visible region (must never be 0) */
132 HPEN hPen;
133 HBRUSH hBrush;
134 HFONT hFont;
135 HBITMAP hBitmap;
136 HANDLE hDevice;
137 HPALETTE hPalette;
138
139 GdiFont *gdiFont;
140 GdiPath path;
141
142 UINT font_code_page;
143 WORD ROPmode;
144 WORD polyFillMode;
145 WORD stretchBltMode;
146 WORD relAbsMode;
147 WORD backgroundMode;
148 COLORREF backgroundColor;
149 COLORREF textColor;
150 COLORREF dcBrushColor;
151 COLORREF dcPenColor;
152 short brushOrgX;
153 short brushOrgY;
154
155 DWORD mapperFlags; /* Font mapper flags */
156 WORD textAlign; /* Text alignment from SetTextAlign() */
157 INT charExtra; /* Spacing from SetTextCharacterExtra() */
158 INT breakExtra; /* breakTotalExtra / breakCount */
159 INT breakRem; /* breakTotalExtra % breakCount */
160 INT MapMode;
161 INT GraphicsMode; /* Graphics mode */
162 ABORTPROC pAbortProc; /* AbortProc for Printing */
163 INT CursPosX; /* Current position */
164 INT CursPosY;
165 INT ArcDirection;
166 XFORM xformWorld2Wnd; /* World-to-window transformation */
167 XFORM xformWorld2Vport; /* World-to-viewport transformation */
168 XFORM xformVport2World; /* Inverse of the above transformation */
169 BOOL vport2WorldValid; /* Is xformVport2World valid? */
170 RECT BoundsRect; /* Current bounding rect */
171 } DC;
172
173 /* DC flags */
174 #define DC_BOUNDS_ENABLE 0x0008 /* Bounding rectangle tracking is enabled */
175
176 /* Certain functions will do no further processing if the driver returns this.
177 Used by mfdrv for example. */
178 #define GDI_NO_MORE_WORK 2
179
180 /* Rounds a floating point number to integer. The world-to-viewport
181 * transformation process is done in floating point internally. This function
182 * is then used to round these coordinates to integer values.
183 */
184 static inline INT GDI_ROUND(double val)
185 {
186 return (int)floor(val + 0.5);
187 }
188
189 #define GET_DC_PHYSDEV(dc,func) \
190 get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func))
191
192 /* bitmap object */
193
194 typedef struct tagBITMAPOBJ
195 {
196 GDIOBJHDR header;
197 BITMAP bitmap;
198 SIZE size; /* For SetBitmapDimension() */
199 const struct gdi_dc_funcs *funcs; /* DC function table */
200 /* For device-independent bitmaps: */
201 DIBSECTION *dib;
202 RGBQUAD *color_table; /* DIB color table if <= 8bpp */
203 UINT nb_colors; /* number of colors in table */
204 } BITMAPOBJ;
205
206 /* bidi.c */
207
208 /* Wine_GCPW Flags */
209 /* Directionality -
210 * LOOSE means taking the directionality of the first strong character, if there is found one.
211 * FORCE means the paragraph direction is forced. (RLE/LRE)
212 */
213 #define WINE_GCPW_FORCE_LTR 0
214 #define WINE_GCPW_FORCE_RTL 1
215 #define WINE_GCPW_LOOSE_LTR 2
216 #define WINE_GCPW_LOOSE_RTL 3
217 #define WINE_GCPW_DIR_MASK 3
218 #define WINE_GCPW_LOOSE_MASK 2
219
220 extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
221 LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
222
223 /* bitblt.c */
224 extern DWORD convert_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
225 BITMAPINFO *dst_info, struct gdi_image_bits *bits, BOOL add_alpha ) DECLSPEC_HIDDEN;
226 extern BOOL intersect_vis_rectangles( struct bitblt_coords *dst, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
227 extern DWORD stretch_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
228 BITMAPINFO *dst_info, struct bitblt_coords *dst,
229 struct gdi_image_bits *bits, int mode ) DECLSPEC_HIDDEN;
230
231 /* bitmap.c */
232 extern void get_ddb_bitmapinfo( BITMAPOBJ *bmp, BITMAPINFO *info ) DECLSPEC_HIDDEN;
233 extern BOOL get_bitmap_image( HBITMAP hbitmap, BITMAPINFO *info, struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
234 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap ) DECLSPEC_HIDDEN;
235 extern BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, PHYSDEV physdev ) DECLSPEC_HIDDEN;
236
237 /* clipping.c */
238 extern int get_clip_box( DC *dc, RECT *rect ) DECLSPEC_HIDDEN;
239 extern void CLIPPING_UpdateGCRegion( DC * dc ) DECLSPEC_HIDDEN;
240
241 /* Return the total clip region (if any) */
242 static inline HRGN get_clip_region( DC * dc )
243 {
244 if (dc->hMetaClipRgn) return dc->hMetaClipRgn;
245 if (dc->hMetaRgn) return dc->hMetaRgn;
246 return dc->hClipRgn;
247 }
248
249 /* dc.c */
250 extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
251 extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
252 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
253 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
254 extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
255 extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
256 extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
257
258 /* dib.c */
259 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
260 extern DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
261 const BITMAPINFO *dst_info, void *dst_bits, BOOL add_alpha ) DECLSPEC_HIDDEN;
262
263 extern DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
264 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
265 INT mode ) DECLSPEC_HIDDEN;
266 extern DWORD blend_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
267 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
268 BLENDFUNCTION blend ) DECLSPEC_HIDDEN;
269
270 /* driver.c */
271 extern const struct gdi_dc_funcs null_driver DECLSPEC_HIDDEN;
272 extern const struct gdi_dc_funcs dib_driver DECLSPEC_HIDDEN;
273 extern const struct gdi_dc_funcs *font_driver DECLSPEC_HIDDEN;
274 extern const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
275 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
276
277 /* enhmetafile.c */
278 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
279
280 /* freetype.c */
281
282 /* Undocumented structure filled in by GdiRealizationInfo */
283 typedef struct
284 {
285 DWORD flags; /* 1 for bitmap fonts, 3 for scalable fonts */
286 DWORD cache_num; /* keeps incrementing - num of fonts that have been created allowing for caching?? */
287 DWORD unknown2; /* fixed for a given font - looks like it could be the order of the face in the font list or the order
288 in which the face was first rendered. */
289 } realization_info_t;
290
291
292 extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
293 extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
294 extern BOOL WineEngDestroyFontInstance(HFONT handle) DECLSPEC_HIDDEN;
295 extern DWORD WineEngEnumFonts(LPLOGFONTW, FONTENUMPROCW, LPARAM) DECLSPEC_HIDDEN;
296 extern BOOL WineEngGetCharABCWidths(GdiFont *font, UINT firstChar,
297 UINT lastChar, LPABC buffer) DECLSPEC_HIDDEN;
298 extern BOOL WineEngGetCharABCWidthsFloat(GdiFont *font, UINT firstChar,
299 UINT lastChar, LPABCFLOAT buffer) DECLSPEC_HIDDEN;
300 extern BOOL WineEngGetCharABCWidthsI(GdiFont *font, UINT firstChar,
301 UINT count, LPWORD pgi, LPABC buffer) DECLSPEC_HIDDEN;
302 extern BOOL WineEngGetCharWidth(GdiFont*, UINT, UINT, LPINT) DECLSPEC_HIDDEN;
303 extern DWORD WineEngGetFontData(GdiFont*, DWORD, DWORD, LPVOID, DWORD) DECLSPEC_HIDDEN;
304 extern DWORD WineEngGetFontUnicodeRanges(GdiFont *, LPGLYPHSET) DECLSPEC_HIDDEN;
305 extern DWORD WineEngGetGlyphIndices(GdiFont *font, LPCWSTR lpstr, INT count,
306 LPWORD pgi, DWORD flags) DECLSPEC_HIDDEN;
307 extern DWORD WineEngGetGlyphOutline(GdiFont*, UINT glyph, UINT format,
308 LPGLYPHMETRICS, DWORD buflen, LPVOID buf,
309 const MAT2*) DECLSPEC_HIDDEN;
310 extern DWORD WineEngGetKerningPairs(GdiFont*, DWORD, KERNINGPAIR *) DECLSPEC_HIDDEN;
311 extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph) DECLSPEC_HIDDEN;
312 extern UINT WineEngGetOutlineTextMetrics(GdiFont*, UINT, LPOUTLINETEXTMETRICW) DECLSPEC_HIDDEN;
313 extern UINT WineEngGetTextCharsetInfo(GdiFont *font, LPFONTSIGNATURE fs, DWORD flags) DECLSPEC_HIDDEN;
314 extern BOOL WineEngGetTextExtentExPoint(GdiFont*, LPCWSTR, INT, INT, LPINT, LPINT, LPSIZE) DECLSPEC_HIDDEN;
315 extern BOOL WineEngGetTextExtentExPointI(GdiFont*, const WORD *, INT, INT, LPINT, LPINT, LPSIZE) DECLSPEC_HIDDEN;
316 extern INT WineEngGetTextFace(GdiFont*, INT, LPWSTR) DECLSPEC_HIDDEN;
317 extern BOOL WineEngGetTextMetrics(GdiFont*, LPTEXTMETRICW) DECLSPEC_HIDDEN;
318 extern BOOL WineEngFontIsLinked(GdiFont*) DECLSPEC_HIDDEN;
319 extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
320 extern BOOL WineEngRealizationInfo(GdiFont*, realization_info_t*) DECLSPEC_HIDDEN;
321 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
322
323 /* gdiobj.c */
324 extern HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
325 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
326 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
327 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
328 extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
329 extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
330 extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
331 extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
332 extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
333
334 /* metafile.c */
335 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
336 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
337
338 /* path.c */
339
340 #define PATH_IsPathOpen(path) ((path).state==PATH_Open)
341 /* Returns TRUE if the specified path is in the open state, i.e. in the
342 * state where points will be added to the path, or FALSE otherwise. This
343 * function is implemented as a macro for performance reasons.
344 */
345
346 extern void PATH_InitGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
347 extern void PATH_DestroyGdiPath(GdiPath *pPath) DECLSPEC_HIDDEN;
348 extern BOOL PATH_AssignGdiPath(GdiPath *pPathDest, const GdiPath *pPathSrc) DECLSPEC_HIDDEN;
349
350 extern BOOL PATH_MoveTo(DC *dc) DECLSPEC_HIDDEN;
351 extern BOOL PATH_LineTo(DC *dc, INT x, INT y) DECLSPEC_HIDDEN;
352 extern BOOL PATH_Rectangle(DC *dc, INT x1, INT y1, INT x2, INT y2) DECLSPEC_HIDDEN;
353 extern BOOL PATH_ExtTextOut(DC *dc, INT x, INT y, UINT flags, const RECT *lprc,
354 LPCWSTR str, UINT count, const INT *dx) DECLSPEC_HIDDEN;
355 extern BOOL PATH_Ellipse(DC *dc, INT x1, INT y1, INT x2, INT y2) DECLSPEC_HIDDEN;
356 extern BOOL PATH_Arc(DC *dc, INT x1, INT y1, INT x2, INT y2,
357 INT xStart, INT yStart, INT xEnd, INT yEnd, INT lines) DECLSPEC_HIDDEN;
358 extern BOOL PATH_PolyBezierTo(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
359 extern BOOL PATH_PolyBezier(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
360 extern BOOL PATH_PolyDraw(DC *dc, const POINT *pts, const BYTE *types, DWORD cbCount) DECLSPEC_HIDDEN;
361 extern BOOL PATH_PolylineTo(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
362 extern BOOL PATH_Polyline(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
363 extern BOOL PATH_Polygon(DC *dc, const POINT *pt, DWORD cbCount) DECLSPEC_HIDDEN;
364 extern BOOL PATH_PolyPolyline(DC *dc, const POINT *pt, const DWORD *counts, DWORD polylines) DECLSPEC_HIDDEN;
365 extern BOOL PATH_PolyPolygon(DC *dc, const POINT *pt, const INT *counts, UINT polygons) DECLSPEC_HIDDEN;
366 extern BOOL PATH_RoundRect(DC *dc, INT x1, INT y1, INT x2, INT y2, INT ell_width, INT ell_height) DECLSPEC_HIDDEN;
367
368 /* painting.c */
369 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
370
371 /* palette.c */
372 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
373 extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
374 extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
375
376 /* region.c */
377 extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
378 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
379
380 typedef struct
381 {
382 INT size;
383 INT numRects;
384 RECT *rects;
385 RECT extents;
386 } WINEREGION;
387 extern const WINEREGION *get_wine_region(HRGN rgn) DECLSPEC_HIDDEN;
388 static inline void release_wine_region(HRGN rgn)
389 {
390 GDI_ReleaseObj(rgn);
391 }
392
393 /* null driver entry points */
394 extern BOOL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
395 extern BOOL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
396 PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION func) DECLSPEC_HIDDEN;
397 extern BOOL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
398 extern BOOL nulldrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN;
399 extern BOOL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
400 extern DWORD nulldrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
401 struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN;
402 extern BOOL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
403 extern BOOL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
404 extern INT nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
405 extern INT nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
406 extern BOOL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
407 extern BOOL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
408 extern BOOL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
409 extern BOOL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
410 extern LONG nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
411 extern DWORD nulldrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info, struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
412 extern COLORREF nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
413 extern INT nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
414 extern BOOL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
415 extern BOOL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
416 extern INT nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
417 extern BOOL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
418 extern BOOL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
419 extern BOOL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
420 extern BOOL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
421 extern BOOL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
422 extern BOOL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
423 extern DWORD nulldrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info,
424 const struct gdi_image_bits *bits, struct bitblt_coords *src,
425 struct bitblt_coords *dst, DWORD rop ) DECLSPEC_HIDDEN;
426 extern BOOL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
427 extern INT nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
428 extern BOOL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
429 extern BOOL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
430 extern BOOL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
431 extern INT nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
432 INT x_src, INT y_src, UINT start, UINT lines,
433 const void *bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
434 extern INT nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
435 extern BOOL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
436 extern BOOL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
437 extern BOOL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
438 extern BOOL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
439 extern BOOL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
440 extern BOOL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
441 PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
442 extern INT nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
443 INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
444 BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
445 extern BOOL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
446 extern BOOL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
447 extern BOOL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
448
449 static inline DC *get_nulldrv_dc( PHYSDEV dev )
450 {
451 return CONTAINING_RECORD( dev, DC, nulldrv );
452 }
453
454 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
455 #define DIB_PAL_MONO 2
456
457 BOOL WINAPI FontIsLinked(HDC);
458
459 BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
460
461 static inline BOOL is_rect_empty( const RECT *rect )
462 {
463 return (rect->left >= rect->right || rect->top >= rect->bottom);
464 }
465
466 static inline BOOL intersect_rect( RECT *dst, const RECT *src1, const RECT *src2 )
467 {
468 dst->left = max( src1->left, src2->left );
469 dst->top = max( src1->top, src2->top );
470 dst->right = min( src1->right, src2->right );
471 dst->bottom = min( src1->bottom, src2->bottom );
472 return !is_rect_empty( dst );
473 }
474
475 static inline void offset_rect( RECT *rect, int offset_x, int offset_y )
476 {
477 rect->left += offset_x;
478 rect->top += offset_y;
479 rect->right += offset_x;
480 rect->bottom += offset_y;
481 }
482
483 static inline BOOL pt_in_rect( const RECT *rect, POINT pt )
484 {
485 return ((pt.x >= rect->left) && (pt.x < rect->right) &&
486 (pt.y >= rect->top) && (pt.y < rect->bottom));
487 }
488
489 static inline void get_bounding_rect( RECT *rect, int x, int y, int width, int height )
490 {
491 rect->left = x;
492 rect->right = x + width;
493 rect->top = y;
494 rect->bottom = y + height;
495 if (rect->left > rect->right)
496 {
497 int tmp = rect->left;
498 rect->left = rect->right + 1;
499 rect->right = tmp + 1;
500 }
501 if (rect->top > rect->bottom)
502 {
503 int tmp = rect->top;
504 rect->top = rect->bottom + 1;
505 rect->bottom = tmp + 1;
506 }
507 }
508
509 static inline int get_bitmap_stride( int width, int bpp )
510 {
511 return ((width * bpp + 15) >> 3) & ~1;
512 }
513
514 static inline int get_dib_stride( int width, int bpp )
515 {
516 return ((width * bpp + 31) >> 3) & ~3;
517 }
518
519 static inline int get_dib_image_size( const BITMAPINFO *info )
520 {
521 return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
522 * abs( info->bmiHeader.biHeight );
523 }
524
525 static inline int get_dib_num_of_colors( const BITMAPINFO *info )
526 {
527 if (info->bmiHeader.biClrUsed) return min( info->bmiHeader.biClrUsed, 256 );
528 return info->bmiHeader.biBitCount > 8 ? 0 : 1 << info->bmiHeader.biBitCount;
529 }
530
531 static inline const struct gdi_dc_funcs *get_bitmap_funcs( const BITMAPOBJ *bitmap )
532 {
533 if( bitmap->dib ) return &dib_driver;
534 return bitmap->funcs;
535 }
536
537 extern void free_heap_bits( struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
538
539 #endif /* __WINE_GDI_PRIVATE_H */
Windows API implementation