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gdi32: Move the handling of font family fallbacks out of freetype.c.
[wine/zf.git] / dlls / gdi32 / gdi_private.h
blobef98fa0e8fd4ca72d4c23d1a90c8e61a3f9e0d3a
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 <limits.h>
25 #include <math.h>
26 #include <stdlib.h>
27 #include <stdarg.h>
28 #include "windef.h"
29 #include "winbase.h"
30 #include "wingdi.h"
31 #include "wine/gdi_driver.h"
32
33 /* Metafile defines */
34 #define META_EOF 0x0000
35 /* values of mtType in METAHEADER. Note however that the disk image of a disk
36 based metafile has mtType == 1 */
37 #define METAFILE_MEMORY 1
38 #define METAFILE_DISK 2
39 #define MFHEADERSIZE (sizeof(METAHEADER))
40 #define MFVERSION 0x300
41
42 typedef struct {
43 EMR emr;
44 INT nBreakExtra;
45 INT nBreakCount;
46 } EMRSETTEXTJUSTIFICATION, *PEMRSETTEXTJUSTIFICATION;
47
48 /* extra stock object: default 1x1 bitmap for memory DCs */
49 #define DEFAULT_BITMAP (STOCK_LAST+1)
50
51 struct gdi_obj_funcs
52 {
53 HGDIOBJ (*pSelectObject)( HGDIOBJ handle, HDC hdc );
54 INT (*pGetObjectA)( HGDIOBJ handle, INT count, LPVOID buffer );
55 INT (*pGetObjectW)( HGDIOBJ handle, INT count, LPVOID buffer );
56 BOOL (*pUnrealizeObject)( HGDIOBJ handle );
57 BOOL (*pDeleteObject)( HGDIOBJ handle );
58 };
59
60 typedef struct tagDC
61 {
62 HDC hSelf; /* Handle to this DC */
63 struct gdi_physdev nulldrv; /* physdev for the null driver */
64 PHYSDEV physDev; /* current top of the physdev stack */
65 DWORD thread; /* thread owning the DC */
66 LONG refcount; /* thread refcount */
67 LONG dirty; /* dirty flag */
68 LONG disabled; /* get_dc_ptr() will return NULL. Controlled by DCHF_(DISABLE|ENABLE)DC */
69 INT saveLevel;
70 struct tagDC *saved_dc;
71 DWORD_PTR dwHookData;
72 DCHOOKPROC hookProc; /* DC hook */
73 BOOL bounds_enabled:1; /* bounds tracking is enabled */
74 BOOL path_open:1; /* path is currently open (only for saved DCs) */
75
76 POINT wnd_org; /* Window origin */
77 SIZE wnd_ext; /* Window extent */
78 POINT vport_org; /* Viewport origin */
79 SIZE vport_ext; /* Viewport extent */
80 SIZE virtual_res; /* Initially HORZRES,VERTRES. Changed by SetVirtualResolution */
81 SIZE virtual_size; /* Initially HORZSIZE,VERTSIZE. Changed by SetVirtualResolution */
82 RECT vis_rect; /* visible rectangle in screen coords */
83 RECT device_rect; /* rectangle for the whole device */
84 int pixel_format; /* pixel format (for memory DCs) */
85 UINT aa_flags; /* anti-aliasing flags to pass to GetGlyphOutline for current font */
86 FLOAT miterLimit;
87
88 int flags;
89 DWORD layout;
90 HRGN hClipRgn; /* Clip region */
91 HRGN hMetaRgn; /* Meta region */
92 HRGN hVisRgn; /* Visible region */
93 HRGN region; /* Total DC region (intersection of clip and visible) */
94 HPEN hPen;
95 HBRUSH hBrush;
96 HFONT hFont;
97 HBITMAP hBitmap;
98 HPALETTE hPalette;
99
100 struct gdi_path *path;
101
102 const struct font_gamma_ramp *font_gamma_ramp;
103
104 UINT font_code_page;
105 WORD ROPmode;
106 WORD polyFillMode;
107 WORD stretchBltMode;
108 WORD relAbsMode;
109 WORD backgroundMode;
110 COLORREF backgroundColor;
111 COLORREF textColor;
112 COLORREF dcBrushColor;
113 COLORREF dcPenColor;
114 POINT brush_org;
115
116 DWORD mapperFlags; /* Font mapper flags */
117 WORD textAlign; /* Text alignment from SetTextAlign() */
118 INT charExtra; /* Spacing from SetTextCharacterExtra() */
119 INT breakExtra; /* breakTotalExtra / breakCount */
120 INT breakRem; /* breakTotalExtra % breakCount */
121 INT MapMode;
122 INT GraphicsMode; /* Graphics mode */
123 ABORTPROC pAbortProc; /* AbortProc for Printing */
124 POINT cur_pos; /* Current position */
125 INT ArcDirection;
126 XFORM xformWorld2Wnd; /* World-to-window transformation */
127 XFORM xformWorld2Vport; /* World-to-viewport transformation */
128 XFORM xformVport2World; /* Inverse of the above transformation */
129 BOOL vport2WorldValid; /* Is xformVport2World valid? */
130 RECT bounds; /* Current bounding rect */
131 } DC;
132
133 /* Certain functions will do no further processing if the driver returns this.
134 Used by mfdrv for example. */
135 #define GDI_NO_MORE_WORK 2
136
137 /* Rounds a floating point number to integer. The world-to-viewport
138 * transformation process is done in floating point internally. This function
139 * is then used to round these coordinates to integer values.
140 */
141 static inline INT GDI_ROUND(double val)
142 {
143 return (int)floor(val + 0.5);
144 }
145
146 #define GET_DC_PHYSDEV(dc,func) \
147 get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func))
148
149 static inline PHYSDEV pop_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
150 {
151 PHYSDEV dev, *pdev = &dc->physDev;
152 while (*pdev && (*pdev)->funcs != funcs) pdev = &(*pdev)->next;
153 if (!*pdev) return NULL;
154 dev = *pdev;
155 *pdev = dev->next;
156 return dev;
157 }
158
159 static inline PHYSDEV find_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
160 {
161 PHYSDEV dev;
162
163 for (dev = dc->physDev; dev; dev = dev->next) if (dev->funcs == funcs) return dev;
164 return NULL;
165 }
166
167 /* bitmap object */
168
169 typedef struct tagBITMAPOBJ
170 {
171 DIBSECTION dib;
172 SIZE size; /* For SetBitmapDimension() */
173 RGBQUAD *color_table; /* DIB color table if <= 8bpp (always 1 << bpp in size) */
174 } BITMAPOBJ;
175
176 static inline BOOL is_bitmapobj_dib( const BITMAPOBJ *bmp )
177 {
178 return bmp->dib.dsBmih.biSize != 0;
179 }
180
181 /* bidi.c */
182
183 /* Wine_GCPW Flags */
184 /* Directionality -
185 * LOOSE means taking the directionality of the first strong character, if there is found one.
186 * FORCE means the paragraph direction is forced. (RLE/LRE)
187 */
188 #define WINE_GCPW_FORCE_LTR 0
189 #define WINE_GCPW_FORCE_RTL 1
190 #define WINE_GCPW_LOOSE_LTR 2
191 #define WINE_GCPW_LOOSE_RTL 3
192 #define WINE_GCPW_DIR_MASK 3
193 #define WINE_GCPW_LOOSE_MASK 2
194
195 extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
196 LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
197
198 /* bitblt.c */
199 extern DWORD convert_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
200 BITMAPINFO *dst_info, struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
201 extern BOOL intersect_vis_rectangles( struct bitblt_coords *dst, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
202 extern DWORD stretch_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
203 BITMAPINFO *dst_info, struct bitblt_coords *dst,
204 struct gdi_image_bits *bits, int mode ) DECLSPEC_HIDDEN;
205 extern void get_mono_dc_colors( DC *dc, int color_table_size, BITMAPINFO *info, int count ) DECLSPEC_HIDDEN;
206
207 /* brush.c */
208 extern BOOL store_brush_pattern( LOGBRUSH *brush, struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
209 extern void free_brush_pattern( struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
210 extern BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage ) DECLSPEC_HIDDEN;
211
212 /* clipping.c */
213 extern BOOL clip_device_rect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
214 extern BOOL clip_visrect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
215 extern void update_dc_clipping( DC * dc ) DECLSPEC_HIDDEN;
216
217 /* Return the total DC region (if any) */
218 static inline HRGN get_dc_region( DC *dc )
219 {
220 if (dc->region) return dc->region;
221 if (dc->hVisRgn) return dc->hVisRgn;
222 if (dc->hClipRgn) return dc->hClipRgn;
223 return dc->hMetaRgn;
224 }
225
226 /* dc.c */
227 extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
228 extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
229 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
230 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
231 extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
232 extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
233 extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
234
235 /* dib.c */
236 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
237 extern BOOL fill_color_table_from_pal_colors( BITMAPINFO *info, HDC hdc ) DECLSPEC_HIDDEN;
238 extern const RGBQUAD *get_default_color_table( int bpp ) DECLSPEC_HIDDEN;
239 extern void fill_default_color_table( BITMAPINFO *info ) DECLSPEC_HIDDEN;
240 extern void get_ddb_bitmapinfo( BITMAPOBJ *bmp, BITMAPINFO *info ) DECLSPEC_HIDDEN;
241 extern BITMAPINFO *copy_packed_dib( const BITMAPINFO *src_info, UINT usage ) DECLSPEC_HIDDEN;
242 extern DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
243 const BITMAPINFO *dst_info, void *dst_bits ) DECLSPEC_HIDDEN;
244
245 extern DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
246 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
247 INT mode ) DECLSPEC_HIDDEN;
248 extern DWORD blend_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
249 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
250 BLENDFUNCTION blend ) DECLSPEC_HIDDEN;
251 extern DWORD gradient_bitmapinfo( const BITMAPINFO *info, void *bits, TRIVERTEX *vert_array, ULONG nvert,
252 void *grad_array, ULONG ngrad, ULONG mode, const POINT *dev_pts, HRGN rgn ) DECLSPEC_HIDDEN;
253 extern COLORREF get_pixel_bitmapinfo( const BITMAPINFO *info, void *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
254 extern BOOL render_aa_text_bitmapinfo( DC *dc, BITMAPINFO *info, struct gdi_image_bits *bits,
255 struct bitblt_coords *src, INT x, INT y, UINT flags,
256 UINT aa_flags, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
257 extern DWORD get_image_from_bitmap( BITMAPOBJ *bmp, BITMAPINFO *info,
258 struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
259 extern DWORD put_image_into_bitmap( BITMAPOBJ *bmp, HRGN clip, BITMAPINFO *info,
260 const struct gdi_image_bits *bits, struct bitblt_coords *src,
261 struct bitblt_coords *dst ) DECLSPEC_HIDDEN;
262 extern void dibdrv_set_window_surface( DC *dc, struct window_surface *surface ) DECLSPEC_HIDDEN;
263
264 /* driver.c */
265 extern const struct gdi_dc_funcs null_driver DECLSPEC_HIDDEN;
266 extern const struct gdi_dc_funcs dib_driver DECLSPEC_HIDDEN;
267 extern const struct gdi_dc_funcs path_driver DECLSPEC_HIDDEN;
268 extern const struct gdi_dc_funcs font_driver DECLSPEC_HIDDEN;
269 extern const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
270 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
271
272 /* enhmetafile.c */
273 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, DWORD filesize, BOOL on_disk ) DECLSPEC_HIDDEN;
274
275 /* font.c */
276
277 struct font_gamma_ramp
278 {
279 DWORD gamma;
280 BYTE encode[256];
281 BYTE decode[256];
282 };
283
284 /* Undocumented structure filled in by GetFontRealizationInfo */
285 struct font_realization_info
286 {
287 DWORD size; /* could be 16 or 24 */
288 DWORD flags; /* 1 for bitmap fonts, 3 for scalable fonts */
289 DWORD cache_num; /* keeps incrementing - num of fonts that have been created allowing for caching?? */
290 DWORD instance_id; /* identifies a realized font instance */
291 DWORD unk; /* unknown */
292 WORD face_index; /* face index in case of font collections */
293 WORD simulations; /* 0 bit - bold simulation, 1 bit - oblique simulation */
294 };
295
296 /* Undocumented structure filled in by GetCharWidthInfo */
297 struct char_width_info
298 {
299 INT lsb; /* minimum left side bearing */
300 INT rsb; /* minimum right side bearing */
301 INT unk; /* unknown */
302 };
303
304 typedef struct { FLOAT eM11, eM12, eM21, eM22; } FMAT2;
305
306 struct glyph_metrics;
307
308 struct gdi_font_family
309 {
310 struct list entry;
311 unsigned int refcount;
312 WCHAR family_name[LF_FACESIZE];
313 WCHAR second_name[LF_FACESIZE];
314 struct list faces;
315 struct gdi_font_family *replacement;
316 };
317
318 struct bitmap_font_size
319 {
320 int width;
321 int height;
322 int size;
323 int x_ppem;
324 int y_ppem;
325 int internal_leading;
326 };
327
328 struct gdi_font_face
329 {
330 struct list entry;
331 unsigned int refcount;
332 WCHAR *style_name;
333 WCHAR *full_name;
334 WCHAR *file;
335 void *data_ptr;
336 SIZE_T data_size;
337 UINT face_index;
338 FONTSIGNATURE fs;
339 DWORD ntmFlags;
340 DWORD version;
341 DWORD flags; /* ADDFONT flags */
342 BOOL scalable;
343 struct bitmap_font_size size; /* set if face is a bitmap */
344 struct gdi_font_family *family;
345 struct gdi_font_enum_data *cached_enum_data;
346 };
347
348 struct gdi_font_link
349 {
350 struct list entry;
351 struct list links;
352 WCHAR name[LF_FACESIZE];
353 FONTSIGNATURE fs;
354 };
355
356 struct gdi_font_link_entry
357 {
358 struct list entry;
359 FONTSIGNATURE fs;
360 WCHAR family_name[LF_FACESIZE];
361 };
362
363 struct gdi_font
364 {
365 struct list entry;
366 struct list unused_entry;
367 DWORD refcount;
368 DWORD gm_size;
369 struct glyph_metrics **gm;
370 OUTLINETEXTMETRICW otm;
371 KERNINGPAIR *kern_pairs;
372 int kern_count;
373 /* the following members can be accessed without locking, they are never modified after creation */
374 void *private; /* font backend private data */
375 struct list child_fonts;
376 DWORD handle;
377 DWORD cache_num;
378 DWORD hash;
379 UINT charset;
380 UINT codepage;
381 FONTSIGNATURE fs;
382 LOGFONTW lf;
383 FMAT2 matrix;
384 UINT face_index;
385 double scale_y;
386 INT aveWidth;
387 INT ppem;
388 SHORT yMax;
389 SHORT yMin;
390 UINT ntmFlags;
391 UINT ntmCellHeight;
392 UINT ntmAvgWidth;
393 UINT aa_flags;
394 ULONG ttc_item_offset; /* 0 if font is not a part of TrueType collection */
395 BOOL can_use_bitmap : 1;
396 BOOL fake_italic : 1;
397 BOOL fake_bold : 1;
398 BOOL scalable : 1;
399 struct gdi_font *base_font;
400 void *gsub_table;
401 void *vert_feature;
402 void *data_ptr;
403 SIZE_T data_size;
404 FILETIME writetime;
405 WCHAR file[1];
406 };
407
408 #define MS_MAKE_TAG(ch1,ch2,ch3,ch4) \
409 (((DWORD)ch4 << 24) | ((DWORD)ch3 << 16) | ((DWORD)ch2 << 8) | (DWORD)ch1)
410
411 #define MS_GASP_TAG MS_MAKE_TAG('g', 'a', 's', 'p')
412 #define MS_GSUB_TAG MS_MAKE_TAG('G', 'S', 'U', 'B')
413 #define MS_KERN_TAG MS_MAKE_TAG('k', 'e', 'r', 'n')
414 #define MS_TTCF_TAG MS_MAKE_TAG('t', 't', 'c', 'f')
415 #define MS_VDMX_TAG MS_MAKE_TAG('V', 'D', 'M', 'X')
416
417 #define FS_DBCS_MASK (FS_JISJAPAN | FS_CHINESESIMP | FS_WANSUNG | FS_CHINESETRAD | FS_JOHAB)
418
419 #define ADDFONT_EXTERNAL_FONT 0x01
420 #define ADDFONT_ALLOW_BITMAP 0x02
421 #define ADDFONT_ADD_TO_CACHE 0x04
422 #define ADDFONT_ADD_RESOURCE 0x08 /* added through AddFontResource */
423 #define ADDFONT_VERTICAL_FONT 0x10
424 #define ADDFONT_AA_FLAGS(flags) ((flags) << 16)
425
426 struct font_backend_funcs
427 {
428 struct gdi_font * (CDECL *pSelectFont)( DC *dc, HFONT hfont );
429
430 void (CDECL *load_fonts)(void);
431 BOOL (CDECL *enum_family_fallbacks)( DWORD pitch_and_family, int index, WCHAR buffer[LF_FACESIZE] );
432 INT (CDECL *add_font)( const WCHAR *file, DWORD flags );
433 INT (CDECL *add_mem_font)( void *ptr, SIZE_T size, DWORD flags );
434
435 BOOL (CDECL *load_font)( struct gdi_font *gdi_font );
436 DWORD (CDECL *get_font_data)( struct gdi_font *gdi_font, DWORD table, DWORD offset,
437 void *buf, DWORD count );
438 UINT (CDECL *get_aa_flags)( struct gdi_font *font, UINT aa_flags, BOOL antialias_fakes );
439 BOOL (CDECL *get_glyph_index)( struct gdi_font *gdi_font, UINT *glyph, BOOL use_encoding );
440 UINT (CDECL *get_default_glyph)( struct gdi_font *gdi_font );
441 DWORD (CDECL *get_glyph_outline)( struct gdi_font *font, UINT glyph, UINT format,
442 GLYPHMETRICS *gm, ABC *abc, DWORD buflen, void *buf,
443 const MAT2 *mat, BOOL tategaki );
444 DWORD (CDECL *get_unicode_ranges)( struct gdi_font *font, GLYPHSET *gs );
445 BOOL (CDECL *get_char_width_info)( struct gdi_font *font, struct char_width_info *info );
446 BOOL (CDECL *set_outline_text_metrics)( struct gdi_font *font );
447 BOOL (CDECL *set_bitmap_text_metrics)( struct gdi_font *font );
448 DWORD (CDECL *get_kerning_pairs)( struct gdi_font *gdi_font, KERNINGPAIR **kern_pair );
449 void (CDECL *destroy_font)( struct gdi_font *font );
450 };
451
452 extern const WCHAR *get_gdi_font_subst( const WCHAR *from_name, int from_charset, int *to_charset ) DECLSPEC_HIDDEN;
453
454 extern int add_gdi_face( const WCHAR *family_name, const WCHAR *second_name,
455 const WCHAR *style, const WCHAR *fullname, const WCHAR *file,
456 void *data_ptr, SIZE_T data_size, UINT index, FONTSIGNATURE fs,
457 DWORD ntmflags, DWORD version, DWORD flags,
458 const struct bitmap_font_size *size ) DECLSPEC_HIDDEN;
459
460 extern struct gdi_font_link *find_gdi_font_link( const WCHAR *name ) DECLSPEC_HIDDEN;
461 extern void create_child_font_list( struct gdi_font *font ) DECLSPEC_HIDDEN;
462 extern struct gdi_font_face *find_matching_face_by_name( const WCHAR *name, const WCHAR *subst, const LOGFONTW *lf,
463 FONTSIGNATURE fs, BOOL can_use_bitmap ) DECLSPEC_HIDDEN;
464 extern struct gdi_font_face *find_any_face( const LOGFONTW *lf, FONTSIGNATURE fs,
465 BOOL can_use_bitmap, BOOL want_vertical ) DECLSPEC_HIDDEN;
466
467 extern void free_gdi_font( struct gdi_font *font ) DECLSPEC_HIDDEN;
468 extern void cache_gdi_font( struct gdi_font *font ) DECLSPEC_HIDDEN;
469 extern struct gdi_font *find_cached_gdi_font( const LOGFONTW *lf, const FMAT2 *matrix,
470 BOOL can_use_bitmap ) DECLSPEC_HIDDEN;
471 static inline const WCHAR *get_gdi_font_name( struct gdi_font *font ) { return (WCHAR *)font->otm.otmpFamilyName; }
472 extern void set_gdi_font_names( struct gdi_font *font, const WCHAR *family_name, const WCHAR *style_name,
473 const WCHAR *full_name ) DECLSPEC_HIDDEN;
474 extern struct gdi_font *create_gdi_font( const struct gdi_font_face *face, const WCHAR *family_name,
475 const LOGFONTW *lf ) DECLSPEC_HIDDEN;
476 extern void *get_GSUB_vert_feature( struct gdi_font *font ) DECLSPEC_HIDDEN;
477 extern void font_init(void) DECLSPEC_HIDDEN;
478
479 /* freetype.c */
480
481 extern BOOL WineEngInit( const struct font_backend_funcs **funcs ) DECLSPEC_HIDDEN;
482
483 /* gdiobj.c */
484 extern HGDIOBJ alloc_gdi_handle( void *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
485 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
486 extern HGDIOBJ get_full_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
487 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
488 extern void *get_any_obj_ptr( HGDIOBJ, WORD * ) DECLSPEC_HIDDEN;
489 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
490 extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
491 extern UINT GDI_get_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
492 extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
493 extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
494 extern void GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
495 extern void GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
496 extern DWORD get_dpi(void) DECLSPEC_HIDDEN;
497 extern DWORD get_system_dpi(void) DECLSPEC_HIDDEN;
498
499 /* mapping.c */
500 extern BOOL dp_to_lp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
501 extern void lp_to_dp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
502
503 /* metafile.c */
504 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
505 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
506
507 /* Format of comment record added by GetWinMetaFileBits */
508 #include <pshpack2.h>
509 typedef struct
510 {
511 DWORD magic; /* WMFC */
512 WORD unk04; /* 1 */
513 WORD unk06; /* 0 */
514 WORD unk08; /* 0 */
515 WORD unk0a; /* 1 */
516 WORD checksum;
517 DWORD unk0e; /* 0 */
518 DWORD num_chunks;
519 DWORD chunk_size;
520 DWORD remaining_size;
521 DWORD emf_size;
522 BYTE emf_data[1];
523 } emf_in_wmf_comment;
524 #include <poppack.h>
525
526 #define WMFC_MAGIC 0x43464d57
527
528 /* path.c */
529
530 extern void free_gdi_path( struct gdi_path *path ) DECLSPEC_HIDDEN;
531 extern struct gdi_path *get_gdi_flat_path( DC *dc, HRGN *rgn ) DECLSPEC_HIDDEN;
532 extern int get_gdi_path_data( struct gdi_path *path, POINT **points, BYTE **flags ) DECLSPEC_HIDDEN;
533 extern BOOL PATH_SavePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
534 extern BOOL PATH_RestorePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
535
536 /* painting.c */
537 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
538
539 /* palette.c */
540 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
541 extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
542 extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
543
544 /* region.c */
545 extern BOOL add_rect_to_region( HRGN rgn, const RECT *rect ) DECLSPEC_HIDDEN;
546 extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
547 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
548 extern HRGN create_polypolygon_region( const POINT *pts, const INT *count, INT nbpolygons,
549 INT mode, const RECT *clip_rect ) DECLSPEC_HIDDEN;
550
551 #define RGN_DEFAULT_RECTS 4
552 typedef struct
553 {
554 INT size;
555 INT numRects;
556 RECT *rects;
557 RECT extents;
558 RECT rects_buf[RGN_DEFAULT_RECTS];
559 } WINEREGION;
560
561 /* return the region data without making a copy */
562 static inline const WINEREGION *get_wine_region(HRGN rgn)
563 {
564 return GDI_GetObjPtr( rgn, OBJ_REGION );
565 }
566 static inline void release_wine_region(HRGN rgn)
567 {
568 GDI_ReleaseObj(rgn);
569 }
570
571 /**********************************************************
572 * region_find_pt
573 *
574 * Return either the index of the rectangle that contains (x,y) or the first
575 * rectangle after it. Sets *hit to TRUE if the region contains (x,y).
576 * Note if (x,y) follows all rectangles, then the return value will be rgn->numRects.
577 */
578 static inline int region_find_pt( const WINEREGION *rgn, int x, int y, BOOL *hit )
579 {
580 int i, start = 0, end = rgn->numRects - 1;
581 BOOL h = FALSE;
582
583 while (start <= end)
584 {
585 i = (start + end) / 2;
586
587 if (rgn->rects[i].bottom <= y ||
588 (rgn->rects[i].top <= y && rgn->rects[i].right <= x))
589 start = i + 1;
590 else if (rgn->rects[i].top > y ||
591 (rgn->rects[i].bottom > y && rgn->rects[i].left > x))
592 end = i - 1;
593 else
594 {
595 h = TRUE;
596 break;
597 }
598 }
599
600 if (hit) *hit = h;
601 return h ? i : start;
602 }
603
604 /* null driver entry points */
605 extern BOOL CDECL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
606 extern BOOL CDECL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
607 PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION func) DECLSPEC_HIDDEN;
608 extern BOOL CDECL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
609 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;
610 extern BOOL CDECL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
611 extern DWORD CDECL nulldrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
612 struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN;
613 extern BOOL CDECL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
614 extern BOOL CDECL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
615 extern INT CDECL nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
616 extern INT CDECL nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
617 extern BOOL CDECL nulldrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *rect,
618 LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
619 extern BOOL CDECL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
620 extern BOOL CDECL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
621 extern BOOL CDECL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
622 extern BOOL CDECL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
623 extern LONG CDECL nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
624 extern COLORREF CDECL nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
625 extern COLORREF CDECL nulldrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
626 extern UINT CDECL nulldrv_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, PALETTEENTRY *entries ) DECLSPEC_HIDDEN;
627 extern BOOL CDECL nulldrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
628 void * grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN;
629 extern INT CDECL nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
630 extern BOOL CDECL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
631 extern BOOL CDECL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
632 extern INT CDECL nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
633 extern BOOL CDECL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
634 extern BOOL CDECL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
635 extern BOOL CDECL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
636 extern BOOL CDECL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
637 extern BOOL CDECL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
638 extern BOOL CDECL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
639 extern BOOL CDECL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
640 extern INT CDECL nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
641 extern BOOL CDECL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
642 extern BOOL CDECL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
643 extern BOOL CDECL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
644 extern INT CDECL nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
645 INT x_src, INT y_src, UINT start, UINT lines,
646 const void *bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
647 extern INT CDECL nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
648 extern BOOL CDECL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
649 extern BOOL CDECL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
650 extern BOOL CDECL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
651 extern BOOL CDECL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
652 extern BOOL CDECL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
653 extern BOOL CDECL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
654 PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
655 extern INT CDECL nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
656 INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
657 BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
658 extern BOOL CDECL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
659 extern BOOL CDECL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
660 extern BOOL CDECL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
661
662 static inline DC *get_nulldrv_dc( PHYSDEV dev )
663 {
664 return CONTAINING_RECORD( dev, DC, nulldrv );
665 }
666
667 static inline DC *get_physdev_dc( PHYSDEV dev )
668 {
669 while (dev->funcs != &null_driver)
670 dev = dev->next;
671 return get_nulldrv_dc( dev );
672 }
673
674 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
675 #define DIB_PAL_MONO 2
676
677 BOOL WINAPI FontIsLinked(HDC);
678
679 BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
680
681 static inline BOOL is_rect_empty( const RECT *rect )
682 {
683 return (rect->left >= rect->right || rect->top >= rect->bottom);
684 }
685
686 static inline BOOL intersect_rect( RECT *dst, const RECT *src1, const RECT *src2 )
687 {
688 dst->left = max( src1->left, src2->left );
689 dst->top = max( src1->top, src2->top );
690 dst->right = min( src1->right, src2->right );
691 dst->bottom = min( src1->bottom, src2->bottom );
692 return !is_rect_empty( dst );
693 }
694
695 static inline void offset_rect( RECT *rect, int offset_x, int offset_y )
696 {
697 rect->left += offset_x;
698 rect->top += offset_y;
699 rect->right += offset_x;
700 rect->bottom += offset_y;
701 }
702
703 static inline void set_rect( RECT *rect, int left, int top, int right, int bottom )
704 {
705 rect->left = left;
706 rect->top = top;
707 rect->right = right;
708 rect->bottom = bottom;
709 }
710
711 static inline void order_rect( RECT *rect )
712 {
713 if (rect->left > rect->right)
714 {
715 int tmp = rect->left;
716 rect->left = rect->right;
717 rect->right = tmp;
718 }
719 if (rect->top > rect->bottom)
720 {
721 int tmp = rect->top;
722 rect->top = rect->bottom;
723 rect->bottom = tmp;
724 }
725 }
726
727 static inline void get_bounding_rect( RECT *rect, int x, int y, int width, int height )
728 {
729 rect->left = x;
730 rect->right = x + width;
731 rect->top = y;
732 rect->bottom = y + height;
733 if (rect->left > rect->right)
734 {
735 int tmp = rect->left;
736 rect->left = rect->right + 1;
737 rect->right = tmp + 1;
738 }
739 if (rect->top > rect->bottom)
740 {
741 int tmp = rect->top;
742 rect->top = rect->bottom + 1;
743 rect->bottom = tmp + 1;
744 }
745 }
746
747 static inline void reset_bounds( RECT *bounds )
748 {
749 bounds->left = bounds->top = INT_MAX;
750 bounds->right = bounds->bottom = INT_MIN;
751 }
752
753 static inline void add_bounds_rect( RECT *bounds, const RECT *rect )
754 {
755 if (is_rect_empty( rect )) return;
756 bounds->left = min( bounds->left, rect->left );
757 bounds->top = min( bounds->top, rect->top );
758 bounds->right = max( bounds->right, rect->right );
759 bounds->bottom = max( bounds->bottom, rect->bottom );
760 }
761
762 static inline int get_bitmap_stride( int width, int bpp )
763 {
764 return ((width * bpp + 15) >> 3) & ~1;
765 }
766
767 static inline int get_dib_stride( int width, int bpp )
768 {
769 return ((width * bpp + 31) >> 3) & ~3;
770 }
771
772 static inline int get_dib_image_size( const BITMAPINFO *info )
773 {
774 return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
775 * abs( info->bmiHeader.biHeight );
776 }
777
778 /* only for use on sanitized BITMAPINFO structures */
779 static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse )
780 {
781 if (info->bmiHeader.biCompression == BI_BITFIELDS)
782 return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
783 if (coloruse == DIB_PAL_COLORS)
784 return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
785 return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
786 }
787
788 /* only for use on sanitized BITMAPINFO structures */
789 static inline void copy_bitmapinfo( BITMAPINFO *dst, const BITMAPINFO *src )
790 {
791 memcpy( dst, src, get_dib_info_size( src, DIB_RGB_COLORS ));
792 }
793
794 extern void CDECL free_heap_bits( struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
795
796 extern HMODULE gdi32_module DECLSPEC_HIDDEN;
797
798 #endif /* __WINE_GDI_PRIVATE_H */
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