?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
mfplat: Read queue subscriber within the critical section.
[wine/zf.git] / dlls / gdi32 / gdi_private.h
blob71493c185b65fba5b008cc45c45bcc291ba12152
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 WCHAR display[CCHDEVICENAME]; /* Display name when created for a specific display device */
88
89 int flags;
90 DWORD layout;
91 HRGN hClipRgn; /* Clip region */
92 HRGN hMetaRgn; /* Meta region */
93 HRGN hVisRgn; /* Visible region */
94 HRGN region; /* Total DC region (intersection of clip and visible) */
95 HPEN hPen;
96 HBRUSH hBrush;
97 HFONT hFont;
98 HBITMAP hBitmap;
99 HPALETTE hPalette;
100
101 struct gdi_path *path;
102
103 const struct font_gamma_ramp *font_gamma_ramp;
104
105 UINT font_code_page;
106 WORD ROPmode;
107 WORD polyFillMode;
108 WORD stretchBltMode;
109 WORD relAbsMode;
110 WORD backgroundMode;
111 COLORREF backgroundColor;
112 COLORREF textColor;
113 COLORREF dcBrushColor;
114 COLORREF dcPenColor;
115 POINT brush_org;
116
117 DWORD mapperFlags; /* Font mapper flags */
118 WORD textAlign; /* Text alignment from SetTextAlign() */
119 INT charExtra; /* Spacing from SetTextCharacterExtra() */
120 INT breakExtra; /* breakTotalExtra / breakCount */
121 INT breakRem; /* breakTotalExtra % breakCount */
122 INT MapMode;
123 INT GraphicsMode; /* Graphics mode */
124 ABORTPROC pAbortProc; /* AbortProc for Printing */
125 POINT cur_pos; /* Current position */
126 INT ArcDirection;
127 XFORM xformWorld2Wnd; /* World-to-window transformation */
128 XFORM xformWorld2Vport; /* World-to-viewport transformation */
129 XFORM xformVport2World; /* Inverse of the above transformation */
130 BOOL vport2WorldValid; /* Is xformVport2World valid? */
131 RECT bounds; /* Current bounding rect */
132 } DC;
133
134 /* Certain functions will do no further processing if the driver returns this.
135 Used by mfdrv for example. */
136 #define GDI_NO_MORE_WORK 2
137
138 /* Rounds a floating point number to integer. The world-to-viewport
139 * transformation process is done in floating point internally. This function
140 * is then used to round these coordinates to integer values.
141 */
142 static inline INT GDI_ROUND(double val)
143 {
144 return (int)floor(val + 0.5);
145 }
146
147 #define GET_DC_PHYSDEV(dc,func) \
148 get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func))
149
150 static inline PHYSDEV pop_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
151 {
152 PHYSDEV dev, *pdev = &dc->physDev;
153 while (*pdev && (*pdev)->funcs != funcs) pdev = &(*pdev)->next;
154 if (!*pdev) return NULL;
155 dev = *pdev;
156 *pdev = dev->next;
157 return dev;
158 }
159
160 static inline PHYSDEV find_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
161 {
162 PHYSDEV dev;
163
164 for (dev = dc->physDev; dev; dev = dev->next) if (dev->funcs == funcs) return dev;
165 return NULL;
166 }
167
168 /* bitmap object */
169
170 typedef struct tagBITMAPOBJ
171 {
172 DIBSECTION dib;
173 SIZE size; /* For SetBitmapDimension() */
174 RGBQUAD *color_table; /* DIB color table if <= 8bpp (always 1 << bpp in size) */
175 } BITMAPOBJ;
176
177 static inline BOOL is_bitmapobj_dib( const BITMAPOBJ *bmp )
178 {
179 return bmp->dib.dsBmih.biSize != 0;
180 }
181
182 /* bidi.c */
183
184 /* Wine_GCPW Flags */
185 /* Directionality -
186 * LOOSE means taking the directionality of the first strong character, if there is found one.
187 * FORCE means the paragraph direction is forced. (RLE/LRE)
188 */
189 #define WINE_GCPW_FORCE_LTR 0
190 #define WINE_GCPW_FORCE_RTL 1
191 #define WINE_GCPW_LOOSE_LTR 2
192 #define WINE_GCPW_LOOSE_RTL 3
193 #define WINE_GCPW_DIR_MASK 3
194 #define WINE_GCPW_LOOSE_MASK 2
195
196 extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
197 LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
198
199 /* bitblt.c */
200 extern DWORD convert_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
201 BITMAPINFO *dst_info, struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
202 extern BOOL intersect_vis_rectangles( struct bitblt_coords *dst, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
203 extern DWORD stretch_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
204 BITMAPINFO *dst_info, struct bitblt_coords *dst,
205 struct gdi_image_bits *bits, int mode ) DECLSPEC_HIDDEN;
206 extern void get_mono_dc_colors( DC *dc, int color_table_size, BITMAPINFO *info, int count ) DECLSPEC_HIDDEN;
207
208 /* brush.c */
209 extern BOOL store_brush_pattern( LOGBRUSH *brush, struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
210 extern void free_brush_pattern( struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
211 extern BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage ) DECLSPEC_HIDDEN;
212
213 /* clipping.c */
214 extern BOOL clip_device_rect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
215 extern BOOL clip_visrect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
216 extern void update_dc_clipping( DC * dc ) DECLSPEC_HIDDEN;
217
218 /* Return the total DC region (if any) */
219 static inline HRGN get_dc_region( DC *dc )
220 {
221 if (dc->region) return dc->region;
222 if (dc->hVisRgn) return dc->hVisRgn;
223 if (dc->hClipRgn) return dc->hClipRgn;
224 return dc->hMetaRgn;
225 }
226
227 /* dc.c */
228 extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
229 extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
230 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
231 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
232 extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
233 extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
234 extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
235
236 /* dib.c */
237 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
238 extern BOOL fill_color_table_from_pal_colors( BITMAPINFO *info, HDC hdc ) DECLSPEC_HIDDEN;
239 extern const RGBQUAD *get_default_color_table( int bpp ) DECLSPEC_HIDDEN;
240 extern void fill_default_color_table( BITMAPINFO *info ) DECLSPEC_HIDDEN;
241 extern void get_ddb_bitmapinfo( BITMAPOBJ *bmp, BITMAPINFO *info ) DECLSPEC_HIDDEN;
242 extern BITMAPINFO *copy_packed_dib( const BITMAPINFO *src_info, UINT usage ) DECLSPEC_HIDDEN;
243 extern DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
244 const BITMAPINFO *dst_info, void *dst_bits ) DECLSPEC_HIDDEN;
245
246 extern DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
247 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
248 INT mode ) DECLSPEC_HIDDEN;
249 extern DWORD blend_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
250 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
251 BLENDFUNCTION blend ) DECLSPEC_HIDDEN;
252 extern DWORD gradient_bitmapinfo( const BITMAPINFO *info, void *bits, TRIVERTEX *vert_array, ULONG nvert,
253 void *grad_array, ULONG ngrad, ULONG mode, const POINT *dev_pts, HRGN rgn ) DECLSPEC_HIDDEN;
254 extern COLORREF get_pixel_bitmapinfo( const BITMAPINFO *info, void *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
255 extern BOOL render_aa_text_bitmapinfo( DC *dc, BITMAPINFO *info, struct gdi_image_bits *bits,
256 struct bitblt_coords *src, INT x, INT y, UINT flags,
257 UINT aa_flags, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
258 extern DWORD get_image_from_bitmap( BITMAPOBJ *bmp, BITMAPINFO *info,
259 struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
260 extern DWORD put_image_into_bitmap( BITMAPOBJ *bmp, HRGN clip, BITMAPINFO *info,
261 const struct gdi_image_bits *bits, struct bitblt_coords *src,
262 struct bitblt_coords *dst ) DECLSPEC_HIDDEN;
263 extern void dibdrv_set_window_surface( DC *dc, struct window_surface *surface ) DECLSPEC_HIDDEN;
264
265 extern NTSTATUS init_opengl_lib( HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out ) DECLSPEC_HIDDEN;
266
267 /* driver.c */
268 extern const struct gdi_dc_funcs null_driver DECLSPEC_HIDDEN;
269 extern const struct gdi_dc_funcs dib_driver DECLSPEC_HIDDEN;
270 extern const struct gdi_dc_funcs path_driver DECLSPEC_HIDDEN;
271 extern const struct gdi_dc_funcs font_driver DECLSPEC_HIDDEN;
272 extern const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
273 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
274
275 /* enhmetafile.c */
276 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, DWORD filesize, BOOL on_disk ) DECLSPEC_HIDDEN;
277
278 /* font.c */
279
280 struct font_gamma_ramp
281 {
282 DWORD gamma;
283 BYTE encode[256];
284 BYTE decode[256];
285 };
286
287 /* Undocumented structure filled in by GetFontRealizationInfo */
288 struct font_realization_info
289 {
290 DWORD size; /* could be 16 or 24 */
291 DWORD flags; /* 1 for bitmap fonts, 3 for scalable fonts */
292 DWORD cache_num; /* keeps incrementing - num of fonts that have been created allowing for caching?? */
293 DWORD instance_id; /* identifies a realized font instance */
294 DWORD unk; /* unknown */
295 WORD face_index; /* face index in case of font collections */
296 WORD simulations; /* 0 bit - bold simulation, 1 bit - oblique simulation */
297 };
298
299 /* Undocumented structure filled in by GetCharWidthInfo */
300 struct char_width_info
301 {
302 INT lsb; /* minimum left side bearing */
303 INT rsb; /* minimum right side bearing */
304 INT unk; /* unknown */
305 };
306
307 typedef struct { FLOAT eM11, eM12, eM21, eM22; } FMAT2;
308
309 struct bitmap_font_size
310 {
311 int width;
312 int height;
313 int size;
314 int x_ppem;
315 int y_ppem;
316 int internal_leading;
317 };
318
319 struct gdi_font
320 {
321 struct list entry;
322 struct list unused_entry;
323 DWORD refcount;
324 DWORD gm_size;
325 struct glyph_metrics **gm;
326 OUTLINETEXTMETRICW otm;
327 KERNINGPAIR *kern_pairs;
328 int kern_count;
329 /* the following members can be accessed without locking, they are never modified after creation */
330 void *private; /* font backend private data */
331 struct list child_fonts;
332 DWORD handle;
333 DWORD cache_num;
334 DWORD hash;
335 UINT charset;
336 UINT codepage;
337 FONTSIGNATURE fs;
338 LOGFONTW lf;
339 FMAT2 matrix;
340 UINT face_index;
341 INT scale_y;
342 INT aveWidth;
343 INT ppem;
344 SHORT yMax;
345 SHORT yMin;
346 UINT ntmFlags;
347 UINT ntmAvgWidth;
348 UINT aa_flags;
349 ULONG ttc_item_offset; /* 0 if font is not a part of TrueType collection */
350 BOOL can_use_bitmap : 1;
351 BOOL fake_italic : 1;
352 BOOL fake_bold : 1;
353 BOOL scalable : 1;
354 struct gdi_font *base_font;
355 void *gsub_table;
356 void *vert_feature;
357 void *data_ptr;
358 SIZE_T data_size;
359 FILETIME writetime;
360 WCHAR file[1];
361 };
362
363 #define MS_MAKE_TAG(ch1,ch2,ch3,ch4) \
364 (((DWORD)ch4 << 24) | ((DWORD)ch3 << 16) | ((DWORD)ch2 << 8) | (DWORD)ch1)
365
366 #define MS_GASP_TAG MS_MAKE_TAG('g', 'a', 's', 'p')
367 #define MS_GSUB_TAG MS_MAKE_TAG('G', 'S', 'U', 'B')
368 #define MS_KERN_TAG MS_MAKE_TAG('k', 'e', 'r', 'n')
369 #define MS_TTCF_TAG MS_MAKE_TAG('t', 't', 'c', 'f')
370 #define MS_VDMX_TAG MS_MAKE_TAG('V', 'D', 'M', 'X')
371
372 #define FS_DBCS_MASK (FS_JISJAPAN | FS_CHINESESIMP | FS_WANSUNG | FS_CHINESETRAD | FS_JOHAB)
373
374 #define ADDFONT_EXTERNAL_FONT 0x01
375 #define ADDFONT_ALLOW_BITMAP 0x02
376 #define ADDFONT_ADD_TO_CACHE 0x04
377 #define ADDFONT_ADD_RESOURCE 0x08 /* added through AddFontResource */
378 #define ADDFONT_VERTICAL_FONT 0x10
379 #define ADDFONT_EXTERNAL_FOUND 0x20
380 #define ADDFONT_AA_FLAGS(flags) ((flags) << 16)
381
382 struct font_backend_funcs
383 {
384 void (CDECL *load_fonts)(void);
385 BOOL (CDECL *enum_family_fallbacks)( DWORD pitch_and_family, int index, WCHAR buffer[LF_FACESIZE] );
386 INT (CDECL *add_font)( const WCHAR *file, DWORD flags );
387 INT (CDECL *add_mem_font)( void *ptr, SIZE_T size, DWORD flags );
388
389 BOOL (CDECL *load_font)( struct gdi_font *gdi_font );
390 DWORD (CDECL *get_font_data)( struct gdi_font *gdi_font, DWORD table, DWORD offset,
391 void *buf, DWORD count );
392 UINT (CDECL *get_aa_flags)( struct gdi_font *font, UINT aa_flags, BOOL antialias_fakes );
393 BOOL (CDECL *get_glyph_index)( struct gdi_font *gdi_font, UINT *glyph, BOOL use_encoding );
394 UINT (CDECL *get_default_glyph)( struct gdi_font *gdi_font );
395 DWORD (CDECL *get_glyph_outline)( struct gdi_font *font, UINT glyph, UINT format,
396 GLYPHMETRICS *gm, ABC *abc, DWORD buflen, void *buf,
397 const MAT2 *mat, BOOL tategaki );
398 DWORD (CDECL *get_unicode_ranges)( struct gdi_font *font, GLYPHSET *gs );
399 BOOL (CDECL *get_char_width_info)( struct gdi_font *font, struct char_width_info *info );
400 BOOL (CDECL *set_outline_text_metrics)( struct gdi_font *font );
401 BOOL (CDECL *set_bitmap_text_metrics)( struct gdi_font *font );
402 DWORD (CDECL *get_kerning_pairs)( struct gdi_font *gdi_font, KERNINGPAIR **kern_pair );
403 void (CDECL *destroy_font)( struct gdi_font *font );
404 };
405
406 struct font_callback_funcs
407 {
408 int (CDECL *add_gdi_face)( const WCHAR *family_name, const WCHAR *second_name,
409 const WCHAR *style, const WCHAR *fullname, const WCHAR *file,
410 void *data_ptr, SIZE_T data_size, UINT index, FONTSIGNATURE fs,
411 DWORD ntmflags, DWORD version, DWORD flags,
412 const struct bitmap_font_size *size );
413 };
414
415 extern void font_init(void) DECLSPEC_HIDDEN;
416
417 /* opentype.c */
418
419 struct ttc_sfnt_v1;
420 struct tt_name_v0;
421
422 struct opentype_name
423 {
424 DWORD codepage;
425 DWORD length;
426 const void *bytes;
427 };
428
429 extern BOOL opentype_get_ttc_sfnt_v1( const void *data, size_t size, DWORD index, DWORD *count,
430 const struct ttc_sfnt_v1 **ttc_sfnt_v1 ) DECLSPEC_HIDDEN;
431 extern BOOL opentype_get_tt_name_v0( const void *data, size_t size, const struct ttc_sfnt_v1 *ttc_sfnt_v1,
432 const struct tt_name_v0 **tt_name_v0 ) DECLSPEC_HIDDEN;
433
434 typedef BOOL ( *opentype_enum_names_cb )( LANGID langid, struct opentype_name *name, void *user );
435 extern BOOL opentype_enum_family_names( const struct tt_name_v0 *tt_name_v0,
436 opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN;
437 extern BOOL opentype_enum_style_names( const struct tt_name_v0 *tt_name_v0,
438 opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN;
439 extern BOOL opentype_enum_full_names( const struct tt_name_v0 *tt_name_v0,
440 opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN;
441
442 extern BOOL opentype_get_properties( const void *data, size_t size, const struct ttc_sfnt_v1 *ttc_sfnt_v1,
443 DWORD *version, FONTSIGNATURE *fs, DWORD *ntm_flags ) DECLSPEC_HIDDEN;
444
445 /* gdiobj.c */
446 extern HGDIOBJ alloc_gdi_handle( void *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
447 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
448 extern HGDIOBJ get_full_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
449 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
450 extern void *get_any_obj_ptr( HGDIOBJ, WORD * ) DECLSPEC_HIDDEN;
451 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
452 extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
453 extern UINT GDI_get_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
454 extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
455 extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
456 extern void GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
457 extern void GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
458 extern DWORD get_dpi(void) DECLSPEC_HIDDEN;
459 extern DWORD get_system_dpi(void) DECLSPEC_HIDDEN;
460
461 /* mapping.c */
462 extern BOOL dp_to_lp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
463 extern void lp_to_dp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
464
465 /* metafile.c */
466 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
467 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
468
469 /* Format of comment record added by GetWinMetaFileBits */
470 #include <pshpack2.h>
471 typedef struct
472 {
473 DWORD magic; /* WMFC */
474 WORD unk04; /* 1 */
475 WORD unk06; /* 0 */
476 WORD unk08; /* 0 */
477 WORD unk0a; /* 1 */
478 WORD checksum;
479 DWORD unk0e; /* 0 */
480 DWORD num_chunks;
481 DWORD chunk_size;
482 DWORD remaining_size;
483 DWORD emf_size;
484 BYTE emf_data[1];
485 } emf_in_wmf_comment;
486 #include <poppack.h>
487
488 #define WMFC_MAGIC 0x43464d57
489
490 /* driver.c */
491 extern BOOL is_display_device( LPCWSTR name ) DECLSPEC_HIDDEN;
492
493 /* path.c */
494
495 extern void free_gdi_path( struct gdi_path *path ) DECLSPEC_HIDDEN;
496 extern struct gdi_path *get_gdi_flat_path( DC *dc, HRGN *rgn ) DECLSPEC_HIDDEN;
497 extern int get_gdi_path_data( struct gdi_path *path, POINT **points, BYTE **flags ) DECLSPEC_HIDDEN;
498 extern BOOL PATH_SavePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
499 extern BOOL PATH_RestorePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
500
501 /* painting.c */
502 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
503
504 /* palette.c */
505 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
506 extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
507 extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
508
509 /* region.c */
510 extern BOOL add_rect_to_region( HRGN rgn, const RECT *rect ) DECLSPEC_HIDDEN;
511 extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
512 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
513 extern HRGN create_polypolygon_region( const POINT *pts, const INT *count, INT nbpolygons,
514 INT mode, const RECT *clip_rect ) DECLSPEC_HIDDEN;
515
516 #define RGN_DEFAULT_RECTS 4
517 typedef struct
518 {
519 INT size;
520 INT numRects;
521 RECT *rects;
522 RECT extents;
523 RECT rects_buf[RGN_DEFAULT_RECTS];
524 } WINEREGION;
525
526 /* return the region data without making a copy */
527 static inline const WINEREGION *get_wine_region(HRGN rgn)
528 {
529 return GDI_GetObjPtr( rgn, OBJ_REGION );
530 }
531 static inline void release_wine_region(HRGN rgn)
532 {
533 GDI_ReleaseObj(rgn);
534 }
535
536 /**********************************************************
537 * region_find_pt
538 *
539 * Return either the index of the rectangle that contains (x,y) or the first
540 * rectangle after it. Sets *hit to TRUE if the region contains (x,y).
541 * Note if (x,y) follows all rectangles, then the return value will be rgn->numRects.
542 */
543 static inline int region_find_pt( const WINEREGION *rgn, int x, int y, BOOL *hit )
544 {
545 int i, start = 0, end = rgn->numRects - 1;
546 BOOL h = FALSE;
547
548 while (start <= end)
549 {
550 i = (start + end) / 2;
551
552 if (rgn->rects[i].bottom <= y ||
553 (rgn->rects[i].top <= y && rgn->rects[i].right <= x))
554 start = i + 1;
555 else if (rgn->rects[i].top > y ||
556 (rgn->rects[i].bottom > y && rgn->rects[i].left > x))
557 end = i - 1;
558 else
559 {
560 h = TRUE;
561 break;
562 }
563 }
564
565 if (hit) *hit = h;
566 return h ? i : start;
567 }
568
569 /* null driver entry points */
570 extern BOOL CDECL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
571 extern BOOL CDECL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
572 PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION func) DECLSPEC_HIDDEN;
573 extern BOOL CDECL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
574 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;
575 extern BOOL CDECL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
576 extern DWORD CDECL nulldrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
577 struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN;
578 extern BOOL CDECL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
579 extern BOOL CDECL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
580 extern INT CDECL nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
581 extern INT CDECL nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
582 extern BOOL CDECL nulldrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *rect,
583 LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
584 extern BOOL CDECL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
585 extern BOOL CDECL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
586 extern BOOL CDECL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
587 extern BOOL CDECL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
588 extern LONG CDECL nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
589 extern COLORREF CDECL nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
590 extern COLORREF CDECL nulldrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
591 extern UINT CDECL nulldrv_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, PALETTEENTRY *entries ) DECLSPEC_HIDDEN;
592 extern BOOL CDECL nulldrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
593 void * grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN;
594 extern INT CDECL nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
595 extern BOOL CDECL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
596 extern BOOL CDECL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
597 extern INT CDECL nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
598 extern BOOL CDECL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
599 extern BOOL CDECL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
600 extern BOOL CDECL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
601 extern BOOL CDECL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
602 extern BOOL CDECL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
603 extern BOOL CDECL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
604 extern BOOL CDECL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
605 extern INT CDECL nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
606 extern BOOL CDECL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
607 extern BOOL CDECL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
608 extern BOOL CDECL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
609 extern INT CDECL nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
610 INT x_src, INT y_src, UINT start, UINT lines,
611 const void *bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
612 extern INT CDECL nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
613 extern BOOL CDECL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
614 extern BOOL CDECL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
615 extern BOOL CDECL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
616 extern BOOL CDECL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
617 extern BOOL CDECL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
618 extern BOOL CDECL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
619 PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
620 extern INT CDECL nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
621 INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
622 BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
623 extern BOOL CDECL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
624 extern BOOL CDECL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
625 extern BOOL CDECL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
626
627 static inline DC *get_nulldrv_dc( PHYSDEV dev )
628 {
629 return CONTAINING_RECORD( dev, DC, nulldrv );
630 }
631
632 static inline DC *get_physdev_dc( PHYSDEV dev )
633 {
634 while (dev->funcs != &null_driver)
635 dev = dev->next;
636 return get_nulldrv_dc( dev );
637 }
638
639 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
640 #define DIB_PAL_MONO 2
641
642 BOOL WINAPI FontIsLinked(HDC);
643
644 BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
645
646 static inline BOOL is_rect_empty( const RECT *rect )
647 {
648 return (rect->left >= rect->right || rect->top >= rect->bottom);
649 }
650
651 static inline BOOL intersect_rect( RECT *dst, const RECT *src1, const RECT *src2 )
652 {
653 dst->left = max( src1->left, src2->left );
654 dst->top = max( src1->top, src2->top );
655 dst->right = min( src1->right, src2->right );
656 dst->bottom = min( src1->bottom, src2->bottom );
657 return !is_rect_empty( dst );
658 }
659
660 static inline void offset_rect( RECT *rect, int offset_x, int offset_y )
661 {
662 rect->left += offset_x;
663 rect->top += offset_y;
664 rect->right += offset_x;
665 rect->bottom += offset_y;
666 }
667
668 static inline void set_rect( RECT *rect, int left, int top, int right, int bottom )
669 {
670 rect->left = left;
671 rect->top = top;
672 rect->right = right;
673 rect->bottom = bottom;
674 }
675
676 static inline void order_rect( RECT *rect )
677 {
678 if (rect->left > rect->right)
679 {
680 int tmp = rect->left;
681 rect->left = rect->right;
682 rect->right = tmp;
683 }
684 if (rect->top > rect->bottom)
685 {
686 int tmp = rect->top;
687 rect->top = rect->bottom;
688 rect->bottom = tmp;
689 }
690 }
691
692 static inline void get_bounding_rect( RECT *rect, int x, int y, int width, int height )
693 {
694 rect->left = x;
695 rect->right = x + width;
696 rect->top = y;
697 rect->bottom = y + height;
698 if (rect->left > rect->right)
699 {
700 int tmp = rect->left;
701 rect->left = rect->right + 1;
702 rect->right = tmp + 1;
703 }
704 if (rect->top > rect->bottom)
705 {
706 int tmp = rect->top;
707 rect->top = rect->bottom + 1;
708 rect->bottom = tmp + 1;
709 }
710 }
711
712 static inline void reset_bounds( RECT *bounds )
713 {
714 bounds->left = bounds->top = INT_MAX;
715 bounds->right = bounds->bottom = INT_MIN;
716 }
717
718 static inline void add_bounds_rect( RECT *bounds, const RECT *rect )
719 {
720 if (is_rect_empty( rect )) return;
721 bounds->left = min( bounds->left, rect->left );
722 bounds->top = min( bounds->top, rect->top );
723 bounds->right = max( bounds->right, rect->right );
724 bounds->bottom = max( bounds->bottom, rect->bottom );
725 }
726
727 static inline int get_bitmap_stride( int width, int bpp )
728 {
729 return ((width * bpp + 15) >> 3) & ~1;
730 }
731
732 static inline int get_dib_stride( int width, int bpp )
733 {
734 return ((width * bpp + 31) >> 3) & ~3;
735 }
736
737 static inline int get_dib_image_size( const BITMAPINFO *info )
738 {
739 return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
740 * abs( info->bmiHeader.biHeight );
741 }
742
743 /* only for use on sanitized BITMAPINFO structures */
744 static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse )
745 {
746 if (info->bmiHeader.biCompression == BI_BITFIELDS)
747 return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
748 if (coloruse == DIB_PAL_COLORS)
749 return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
750 return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
751 }
752
753 /* only for use on sanitized BITMAPINFO structures */
754 static inline void copy_bitmapinfo( BITMAPINFO *dst, const BITMAPINFO *src )
755 {
756 memcpy( dst, src, get_dib_info_size( src, DIB_RGB_COLORS ));
757 }
758
759 extern void CDECL free_heap_bits( struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
760
761 extern HMODULE gdi32_module DECLSPEC_HIDDEN;
762
763 #endif /* __WINE_GDI_PRIVATE_H */
Zebediah Figura's local tree