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wow64: Add thunks for the event syscalls.
[wine.git] / dlls / gdi32 / ntgdi_private.h
blobdc36789fdec686c5c5466677fd872a6f7cfd0fdc
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_NTGDI_PRIVATE_H
22 #define __WINE_NTGDI_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 "ntgdi.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 INT (*pGetObjectW)( HGDIOBJ handle, INT count, LPVOID buffer );
54 BOOL (*pUnrealizeObject)( HGDIOBJ handle );
55 BOOL (*pDeleteObject)( HGDIOBJ handle );
56 };
57
58 struct hdc_list
59 {
60 HDC hdc;
61 struct hdc_list *next;
62 };
63
64 struct gdi_obj_header
65 {
66 const struct gdi_obj_funcs *funcs; /* type-specific functions */
67 struct hdc_list *hdcs; /* list of HDCs interested in this object */
68 WORD selcount; /* number of times the object is selected in a DC */
69 WORD system : 1; /* system object flag */
70 WORD deleted : 1; /* whether DeleteObject has been called on this object */
71 };
72
73 typedef struct tagDC
74 {
75 struct gdi_obj_header obj; /* object header */
76 HDC hSelf; /* Handle to this DC */
77 struct gdi_physdev nulldrv; /* physdev for the null driver */
78 PHYSDEV physDev; /* current top of the physdev stack */
79 DWORD thread; /* thread owning the DC */
80 LONG refcount; /* thread refcount */
81 LONG dirty; /* dirty flag */
82 LONG disabled; /* get_dc_ptr() will return NULL. Controlled by DCHF_(DISABLE|ENABLE)DC */
83 INT saveLevel;
84 DC_ATTR *attr; /* DC attributes accessible by client */
85 struct tagDC *saved_dc;
86 DWORD_PTR dwHookData;
87 DCHOOKPROC hookProc; /* DC hook */
88 BOOL bounds_enabled:1; /* bounds tracking is enabled */
89 BOOL path_open:1; /* path is currently open (only for saved DCs) */
90
91 POINT wnd_org; /* Window origin */
92 SIZE wnd_ext; /* Window extent */
93 POINT vport_org; /* Viewport origin */
94 SIZE vport_ext; /* Viewport extent */
95 SIZE virtual_res; /* Initially HORZRES,VERTRES. Changed by SetVirtualResolution */
96 SIZE virtual_size; /* Initially HORZSIZE,VERTSIZE. Changed by SetVirtualResolution */
97 RECT vis_rect; /* visible rectangle in screen coords */
98 RECT device_rect; /* rectangle for the whole device */
99 int pixel_format; /* pixel format (for memory DCs) */
100 UINT aa_flags; /* anti-aliasing flags to pass to GetGlyphOutline for current font */
101 FLOAT miterLimit;
102 WCHAR display[CCHDEVICENAME]; /* Display name when created for a specific display device */
103
104 int flags;
105 DWORD layout;
106 HRGN hClipRgn; /* Clip region */
107 HRGN hMetaRgn; /* Meta region */
108 HRGN hVisRgn; /* Visible region */
109 HRGN region; /* Total DC region (intersection of clip and visible) */
110 HPEN hPen;
111 HBRUSH hBrush;
112 HFONT hFont;
113 HBITMAP hBitmap;
114 HPALETTE hPalette;
115
116 struct gdi_path *path;
117
118 const struct font_gamma_ramp *font_gamma_ramp;
119
120 UINT font_code_page;
121 WORD ROPmode;
122 WORD polyFillMode;
123 WORD stretchBltMode;
124 WORD relAbsMode;
125 WORD backgroundMode;
126 COLORREF backgroundColor;
127 COLORREF textColor;
128 COLORREF dcBrushColor;
129 COLORREF dcPenColor;
130 POINT brush_org;
131
132 DWORD mapperFlags; /* Font mapper flags */
133 INT charExtra; /* Spacing from SetTextCharacterExtra() */
134 INT breakExtra; /* breakTotalExtra / breakCount */
135 INT breakRem; /* breakTotalExtra % breakCount */
136 INT MapMode;
137 ABORTPROC pAbortProc; /* AbortProc for Printing */
138 INT ArcDirection;
139 XFORM xformWorld2Wnd; /* World-to-window transformation */
140 XFORM xformWorld2Vport; /* World-to-viewport transformation */
141 XFORM xformVport2World; /* Inverse of the above transformation */
142 BOOL vport2WorldValid; /* Is xformVport2World valid? */
143 RECT bounds; /* Current bounding rect */
144 } DC;
145
146 /* Certain functions will do no further processing if the driver returns this.
147 Used by mfdrv for example. */
148 #define GDI_NO_MORE_WORK 2
149
150 /* Rounds a floating point number to integer. The world-to-viewport
151 * transformation process is done in floating point internally. This function
152 * is then used to round these coordinates to integer values.
153 */
154 static inline INT GDI_ROUND(double val)
155 {
156 return (int)floor(val + 0.5);
157 }
158
159 #define GET_DC_PHYSDEV(dc,func) \
160 get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func))
161
162 static inline PHYSDEV pop_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
163 {
164 PHYSDEV dev, *pdev = &dc->physDev;
165 while (*pdev && (*pdev)->funcs != funcs) pdev = &(*pdev)->next;
166 if (!*pdev) return NULL;
167 dev = *pdev;
168 *pdev = dev->next;
169 return dev;
170 }
171
172 static inline PHYSDEV find_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
173 {
174 PHYSDEV dev;
175
176 for (dev = dc->physDev; dev; dev = dev->next) if (dev->funcs == funcs) return dev;
177 return NULL;
178 }
179
180 /* bitmap object */
181
182 typedef struct tagBITMAPOBJ
183 {
184 struct gdi_obj_header obj;
185 DIBSECTION dib;
186 SIZE size; /* For SetBitmapDimension() */
187 RGBQUAD *color_table; /* DIB color table if <= 8bpp (always 1 << bpp in size) */
188 } BITMAPOBJ;
189
190 static inline BOOL is_bitmapobj_dib( const BITMAPOBJ *bmp )
191 {
192 return bmp->dib.dsBmih.biSize != 0;
193 }
194
195 /* bidi.c */
196
197 /* Wine_GCPW Flags */
198 /* Directionality -
199 * LOOSE means taking the directionality of the first strong character, if there is found one.
200 * FORCE means the paragraph direction is forced. (RLE/LRE)
201 */
202 #define WINE_GCPW_FORCE_LTR 0
203 #define WINE_GCPW_FORCE_RTL 1
204 #define WINE_GCPW_LOOSE_LTR 2
205 #define WINE_GCPW_LOOSE_RTL 3
206 #define WINE_GCPW_DIR_MASK 3
207 #define WINE_GCPW_LOOSE_MASK 2
208
209 extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
210 LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
211
212 /* bitblt.c */
213 extern DWORD convert_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
214 BITMAPINFO *dst_info, struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
215 extern BOOL intersect_vis_rectangles( struct bitblt_coords *dst, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
216 extern DWORD stretch_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
217 BITMAPINFO *dst_info, struct bitblt_coords *dst,
218 struct gdi_image_bits *bits, int mode ) DECLSPEC_HIDDEN;
219 extern void get_mono_dc_colors( DC *dc, int color_table_size, BITMAPINFO *info, int count ) DECLSPEC_HIDDEN;
220
221 /* brush.c */
222 extern BOOL store_brush_pattern( LOGBRUSH *brush, struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
223 extern void free_brush_pattern( struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
224 extern BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage ) DECLSPEC_HIDDEN;
225
226 /* clipping.c */
227 extern BOOL clip_device_rect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
228 extern BOOL clip_visrect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
229 extern void update_dc_clipping( DC * dc ) DECLSPEC_HIDDEN;
230
231 /* Return the total DC region (if any) */
232 static inline HRGN get_dc_region( DC *dc )
233 {
234 if (dc->region) return dc->region;
235 if (dc->hVisRgn) return dc->hVisRgn;
236 if (dc->hClipRgn) return dc->hClipRgn;
237 return dc->hMetaRgn;
238 }
239
240 /* dc.c */
241 extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
242 extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
243 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
244 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
245 extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
246 extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
247 extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
248
249 /* dib.c */
250 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
251 extern BOOL fill_color_table_from_pal_colors( BITMAPINFO *info, HDC hdc ) DECLSPEC_HIDDEN;
252 extern const RGBQUAD *get_default_color_table( int bpp ) DECLSPEC_HIDDEN;
253 extern void fill_default_color_table( BITMAPINFO *info ) DECLSPEC_HIDDEN;
254 extern void get_ddb_bitmapinfo( BITMAPOBJ *bmp, BITMAPINFO *info ) DECLSPEC_HIDDEN;
255 extern BITMAPINFO *copy_packed_dib( const BITMAPINFO *src_info, UINT usage ) DECLSPEC_HIDDEN;
256 extern DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
257 const BITMAPINFO *dst_info, void *dst_bits ) DECLSPEC_HIDDEN;
258
259 extern DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
260 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
261 INT mode ) DECLSPEC_HIDDEN;
262 extern DWORD blend_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
263 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
264 BLENDFUNCTION blend ) DECLSPEC_HIDDEN;
265 extern DWORD gradient_bitmapinfo( const BITMAPINFO *info, void *bits, TRIVERTEX *vert_array, ULONG nvert,
266 void *grad_array, ULONG ngrad, ULONG mode, const POINT *dev_pts, HRGN rgn ) DECLSPEC_HIDDEN;
267 extern COLORREF get_pixel_bitmapinfo( const BITMAPINFO *info, void *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
268 extern BOOL render_aa_text_bitmapinfo( DC *dc, BITMAPINFO *info, struct gdi_image_bits *bits,
269 struct bitblt_coords *src, INT x, INT y, UINT flags,
270 UINT aa_flags, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
271 extern DWORD get_image_from_bitmap( BITMAPOBJ *bmp, BITMAPINFO *info,
272 struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
273 extern DWORD put_image_into_bitmap( BITMAPOBJ *bmp, HRGN clip, BITMAPINFO *info,
274 const struct gdi_image_bits *bits, struct bitblt_coords *src,
275 struct bitblt_coords *dst ) DECLSPEC_HIDDEN;
276 extern void dibdrv_set_window_surface( DC *dc, struct window_surface *surface ) DECLSPEC_HIDDEN;
277
278 extern NTSTATUS init_opengl_lib( HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out ) DECLSPEC_HIDDEN;
279
280 /* driver.c */
281 extern const struct gdi_dc_funcs null_driver DECLSPEC_HIDDEN;
282 extern const struct gdi_dc_funcs dib_driver DECLSPEC_HIDDEN;
283 extern const struct gdi_dc_funcs path_driver DECLSPEC_HIDDEN;
284 extern const struct gdi_dc_funcs font_driver DECLSPEC_HIDDEN;
285 extern const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
286 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
287
288 /* enhmetafile.c */
289 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, DWORD filesize, BOOL on_disk ) DECLSPEC_HIDDEN;
290
291 /* font.c */
292
293 struct font_gamma_ramp
294 {
295 DWORD gamma;
296 BYTE encode[256];
297 BYTE decode[256];
298 };
299
300 /* Undocumented structure filled in by GetFontRealizationInfo */
301 struct font_realization_info
302 {
303 DWORD size; /* could be 16 or 24 */
304 DWORD flags; /* 1 for bitmap fonts, 3 for scalable fonts */
305 DWORD cache_num; /* keeps incrementing - num of fonts that have been created allowing for caching?? */
306 DWORD instance_id; /* identifies a realized font instance */
307 DWORD unk; /* unknown */
308 WORD face_index; /* face index in case of font collections */
309 WORD simulations; /* 0 bit - bold simulation, 1 bit - oblique simulation */
310 };
311
312 /* Undocumented structure filled in by GetCharWidthInfo */
313 struct char_width_info
314 {
315 INT lsb; /* minimum left side bearing */
316 INT rsb; /* minimum right side bearing */
317 INT unk; /* unknown */
318 };
319
320 typedef struct { FLOAT eM11, eM12, eM21, eM22; } FMAT2;
321
322 struct bitmap_font_size
323 {
324 int width;
325 int height;
326 int size;
327 int x_ppem;
328 int y_ppem;
329 int internal_leading;
330 };
331
332 struct gdi_font
333 {
334 struct list entry;
335 struct list unused_entry;
336 DWORD refcount;
337 DWORD gm_size;
338 struct glyph_metrics **gm;
339 OUTLINETEXTMETRICW otm;
340 KERNINGPAIR *kern_pairs;
341 int kern_count;
342 /* the following members can be accessed without locking, they are never modified after creation */
343 void *private; /* font backend private data */
344 struct list child_fonts;
345 DWORD handle;
346 DWORD cache_num;
347 DWORD hash;
348 UINT charset;
349 UINT codepage;
350 FONTSIGNATURE fs;
351 LOGFONTW lf;
352 FMAT2 matrix;
353 UINT face_index;
354 INT scale_y;
355 INT aveWidth;
356 INT ppem;
357 SHORT yMax;
358 SHORT yMin;
359 UINT ntmFlags;
360 UINT ntmAvgWidth;
361 UINT aa_flags;
362 ULONG ttc_item_offset; /* 0 if font is not a part of TrueType collection */
363 BOOL can_use_bitmap : 1;
364 BOOL fake_italic : 1;
365 BOOL fake_bold : 1;
366 BOOL scalable : 1;
367 struct gdi_font *base_font;
368 void *gsub_table;
369 void *vert_feature;
370 void *data_ptr;
371 SIZE_T data_size;
372 FILETIME writetime;
373 WCHAR file[1];
374 };
375
376 #define MS_MAKE_TAG(ch1,ch2,ch3,ch4) \
377 (((DWORD)ch4 << 24) | ((DWORD)ch3 << 16) | ((DWORD)ch2 << 8) | (DWORD)ch1)
378
379 #define MS_GASP_TAG MS_MAKE_TAG('g', 'a', 's', 'p')
380 #define MS_GSUB_TAG MS_MAKE_TAG('G', 'S', 'U', 'B')
381 #define MS_KERN_TAG MS_MAKE_TAG('k', 'e', 'r', 'n')
382 #define MS_TTCF_TAG MS_MAKE_TAG('t', 't', 'c', 'f')
383 #define MS_VDMX_TAG MS_MAKE_TAG('V', 'D', 'M', 'X')
384
385 #define FS_DBCS_MASK (FS_JISJAPAN | FS_CHINESESIMP | FS_WANSUNG | FS_CHINESETRAD | FS_JOHAB)
386
387 #define ADDFONT_EXTERNAL_FONT 0x01
388 #define ADDFONT_ALLOW_BITMAP 0x02
389 #define ADDFONT_ADD_TO_CACHE 0x04
390 #define ADDFONT_ADD_RESOURCE 0x08 /* added through AddFontResource */
391 #define ADDFONT_VERTICAL_FONT 0x10
392 #define ADDFONT_EXTERNAL_FOUND 0x20
393 #define ADDFONT_AA_FLAGS(flags) ((flags) << 16)
394
395 struct font_backend_funcs
396 {
397 void (CDECL *load_fonts)(void);
398 BOOL (CDECL *enum_family_fallbacks)( DWORD pitch_and_family, int index, WCHAR buffer[LF_FACESIZE] );
399 INT (CDECL *add_font)( const WCHAR *file, DWORD flags );
400 INT (CDECL *add_mem_font)( void *ptr, SIZE_T size, DWORD flags );
401
402 BOOL (CDECL *load_font)( struct gdi_font *gdi_font );
403 DWORD (CDECL *get_font_data)( struct gdi_font *gdi_font, DWORD table, DWORD offset,
404 void *buf, DWORD count );
405 UINT (CDECL *get_aa_flags)( struct gdi_font *font, UINT aa_flags, BOOL antialias_fakes );
406 BOOL (CDECL *get_glyph_index)( struct gdi_font *gdi_font, UINT *glyph, BOOL use_encoding );
407 UINT (CDECL *get_default_glyph)( struct gdi_font *gdi_font );
408 DWORD (CDECL *get_glyph_outline)( struct gdi_font *font, UINT glyph, UINT format,
409 GLYPHMETRICS *gm, ABC *abc, DWORD buflen, void *buf,
410 const MAT2 *mat, BOOL tategaki );
411 DWORD (CDECL *get_unicode_ranges)( struct gdi_font *font, GLYPHSET *gs );
412 BOOL (CDECL *get_char_width_info)( struct gdi_font *font, struct char_width_info *info );
413 BOOL (CDECL *set_outline_text_metrics)( struct gdi_font *font );
414 BOOL (CDECL *set_bitmap_text_metrics)( struct gdi_font *font );
415 DWORD (CDECL *get_kerning_pairs)( struct gdi_font *gdi_font, KERNINGPAIR **kern_pair );
416 void (CDECL *destroy_font)( struct gdi_font *font );
417 };
418
419 struct font_callback_funcs
420 {
421 int (CDECL *add_gdi_face)( const WCHAR *family_name, const WCHAR *second_name,
422 const WCHAR *style, const WCHAR *fullname, const WCHAR *file,
423 void *data_ptr, SIZE_T data_size, UINT index, FONTSIGNATURE fs,
424 DWORD ntmflags, DWORD version, DWORD flags,
425 const struct bitmap_font_size *size );
426 };
427
428 extern void font_init(void) DECLSPEC_HIDDEN;
429
430 /* opentype.c */
431
432 struct ttc_sfnt_v1;
433 struct tt_name_v0;
434
435 struct opentype_name
436 {
437 DWORD codepage;
438 DWORD length;
439 const void *bytes;
440 };
441
442 extern BOOL opentype_get_ttc_sfnt_v1( const void *data, size_t size, DWORD index, DWORD *count,
443 const struct ttc_sfnt_v1 **ttc_sfnt_v1 ) DECLSPEC_HIDDEN;
444 extern BOOL opentype_get_tt_name_v0( const void *data, size_t size, const struct ttc_sfnt_v1 *ttc_sfnt_v1,
445 const struct tt_name_v0 **tt_name_v0 ) DECLSPEC_HIDDEN;
446
447 typedef BOOL ( *opentype_enum_names_cb )( LANGID langid, struct opentype_name *name, void *user );
448 extern BOOL opentype_enum_family_names( const struct tt_name_v0 *tt_name_v0,
449 opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN;
450 extern BOOL opentype_enum_style_names( const struct tt_name_v0 *tt_name_v0,
451 opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN;
452 extern BOOL opentype_enum_full_names( const struct tt_name_v0 *tt_name_v0,
453 opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN;
454
455 extern BOOL opentype_get_properties( const void *data, size_t size, const struct ttc_sfnt_v1 *ttc_sfnt_v1,
456 DWORD *version, FONTSIGNATURE *fs, DWORD *ntm_flags ) DECLSPEC_HIDDEN;
457
458 /* gdiobj.c */
459 extern HGDIOBJ alloc_gdi_handle( struct gdi_obj_header *obj, WORD type,
460 const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
461 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
462 extern HGDIOBJ get_full_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
463 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
464 extern void *get_any_obj_ptr( HGDIOBJ, WORD * ) DECLSPEC_HIDDEN;
465 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
466 extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
467 extern UINT GDI_get_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
468 extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
469 extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
470 extern void GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
471 extern void GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
472 extern DWORD get_dpi(void) DECLSPEC_HIDDEN;
473 extern DWORD get_system_dpi(void) DECLSPEC_HIDDEN;
474
475 /* mapping.c */
476 extern BOOL dp_to_lp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
477 extern void lp_to_dp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
478
479 /* metafile.c */
480 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
481
482 /* Format of comment record added by GetWinMetaFileBits */
483 #include <pshpack2.h>
484 typedef struct
485 {
486 DWORD magic; /* WMFC */
487 WORD unk04; /* 1 */
488 WORD unk06; /* 0 */
489 WORD unk08; /* 0 */
490 WORD unk0a; /* 1 */
491 WORD checksum;
492 DWORD unk0e; /* 0 */
493 DWORD num_chunks;
494 DWORD chunk_size;
495 DWORD remaining_size;
496 DWORD emf_size;
497 BYTE emf_data[1];
498 } emf_in_wmf_comment;
499 #include <poppack.h>
500
501 #define WMFC_MAGIC 0x43464d57
502
503 /* driver.c */
504 extern BOOL is_display_device( LPCWSTR name ) DECLSPEC_HIDDEN;
505
506 /* path.c */
507
508 extern void free_gdi_path( struct gdi_path *path ) DECLSPEC_HIDDEN;
509 extern struct gdi_path *get_gdi_flat_path( DC *dc, HRGN *rgn ) DECLSPEC_HIDDEN;
510 extern int get_gdi_path_data( struct gdi_path *path, POINT **points, BYTE **flags ) DECLSPEC_HIDDEN;
511 extern BOOL PATH_SavePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
512 extern BOOL PATH_RestorePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
513
514 /* painting.c */
515 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
516
517 /* palette.c */
518 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
519 extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
520 extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
521
522 /* region.c */
523 extern BOOL add_rect_to_region( HRGN rgn, const RECT *rect ) DECLSPEC_HIDDEN;
524 extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
525 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
526 extern HRGN create_polypolygon_region( const POINT *pts, const INT *count, INT nbpolygons,
527 INT mode, const RECT *clip_rect ) DECLSPEC_HIDDEN;
528
529 #define RGN_DEFAULT_RECTS 4
530 typedef struct
531 {
532 struct gdi_obj_header obj;
533 INT size;
534 INT numRects;
535 RECT *rects;
536 RECT extents;
537 RECT rects_buf[RGN_DEFAULT_RECTS];
538 } WINEREGION;
539
540 /* return the region data without making a copy */
541 static inline const WINEREGION *get_wine_region(HRGN rgn)
542 {
543 return GDI_GetObjPtr( rgn, NTGDI_OBJ_REGION );
544 }
545 static inline void release_wine_region(HRGN rgn)
546 {
547 GDI_ReleaseObj(rgn);
548 }
549
550 /**********************************************************
551 * region_find_pt
552 *
553 * Return either the index of the rectangle that contains (x,y) or the first
554 * rectangle after it. Sets *hit to TRUE if the region contains (x,y).
555 * Note if (x,y) follows all rectangles, then the return value will be rgn->numRects.
556 */
557 static inline int region_find_pt( const WINEREGION *rgn, int x, int y, BOOL *hit )
558 {
559 int i, start = 0, end = rgn->numRects - 1;
560 BOOL h = FALSE;
561
562 while (start <= end)
563 {
564 i = (start + end) / 2;
565
566 if (rgn->rects[i].bottom <= y ||
567 (rgn->rects[i].top <= y && rgn->rects[i].right <= x))
568 start = i + 1;
569 else if (rgn->rects[i].top > y ||
570 (rgn->rects[i].bottom > y && rgn->rects[i].left > x))
571 end = i - 1;
572 else
573 {
574 h = TRUE;
575 break;
576 }
577 }
578
579 if (hit) *hit = h;
580 return h ? i : start;
581 }
582
583 /* null driver entry points */
584 extern BOOL CDECL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
585 extern BOOL CDECL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
586 PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION func) DECLSPEC_HIDDEN;
587 extern BOOL CDECL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
588 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;
589 extern BOOL CDECL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
590 extern DWORD CDECL nulldrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
591 struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN;
592 extern BOOL CDECL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
593 extern BOOL CDECL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
594 extern INT CDECL nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
595 extern INT CDECL nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
596 extern BOOL CDECL nulldrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *rect,
597 LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
598 extern BOOL CDECL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
599 extern BOOL CDECL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
600 extern BOOL CDECL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
601 extern BOOL CDECL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
602 extern LONG CDECL nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
603 extern COLORREF CDECL nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
604 extern COLORREF CDECL nulldrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
605 extern UINT CDECL nulldrv_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, PALETTEENTRY *entries ) DECLSPEC_HIDDEN;
606 extern BOOL CDECL nulldrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
607 void * grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN;
608 extern INT CDECL nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
609 extern BOOL CDECL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
610 extern BOOL CDECL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
611 extern INT CDECL nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
612 extern BOOL CDECL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
613 extern BOOL CDECL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
614 extern BOOL CDECL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
615 extern BOOL CDECL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
616 extern BOOL CDECL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
617 extern BOOL CDECL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
618 extern BOOL CDECL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
619 extern INT CDECL nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
620 extern BOOL CDECL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
621 extern BOOL CDECL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
622 extern BOOL CDECL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
623 extern INT CDECL nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
624 INT x_src, INT y_src, UINT start, UINT lines,
625 const void *bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
626 extern INT CDECL nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
627 extern BOOL CDECL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
628 extern BOOL CDECL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
629 extern BOOL CDECL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
630 extern BOOL CDECL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
631 extern BOOL CDECL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
632 extern BOOL CDECL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
633 PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
634 extern INT CDECL nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
635 INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
636 BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
637 extern BOOL CDECL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
638 extern BOOL CDECL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
639 extern BOOL CDECL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
640
641 static inline DC *get_nulldrv_dc( PHYSDEV dev )
642 {
643 return CONTAINING_RECORD( dev, DC, nulldrv );
644 }
645
646 static inline DC *get_physdev_dc( PHYSDEV dev )
647 {
648 while (dev->funcs != &null_driver)
649 dev = dev->next;
650 return get_nulldrv_dc( dev );
651 }
652
653 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
654 #define DIB_PAL_MONO 2
655
656 BOOL WINAPI FontIsLinked(HDC);
657
658 BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
659
660 static inline BOOL is_rect_empty( const RECT *rect )
661 {
662 return (rect->left >= rect->right || rect->top >= rect->bottom);
663 }
664
665 static inline BOOL intersect_rect( RECT *dst, const RECT *src1, const RECT *src2 )
666 {
667 dst->left = max( src1->left, src2->left );
668 dst->top = max( src1->top, src2->top );
669 dst->right = min( src1->right, src2->right );
670 dst->bottom = min( src1->bottom, src2->bottom );
671 return !is_rect_empty( dst );
672 }
673
674 static inline void offset_rect( RECT *rect, int offset_x, int offset_y )
675 {
676 rect->left += offset_x;
677 rect->top += offset_y;
678 rect->right += offset_x;
679 rect->bottom += offset_y;
680 }
681
682 static inline void set_rect( RECT *rect, int left, int top, int right, int bottom )
683 {
684 rect->left = left;
685 rect->top = top;
686 rect->right = right;
687 rect->bottom = bottom;
688 }
689
690 static inline void order_rect( RECT *rect )
691 {
692 if (rect->left > rect->right)
693 {
694 int tmp = rect->left;
695 rect->left = rect->right;
696 rect->right = tmp;
697 }
698 if (rect->top > rect->bottom)
699 {
700 int tmp = rect->top;
701 rect->top = rect->bottom;
702 rect->bottom = tmp;
703 }
704 }
705
706 static inline void get_bounding_rect( RECT *rect, int x, int y, int width, int height )
707 {
708 rect->left = x;
709 rect->right = x + width;
710 rect->top = y;
711 rect->bottom = y + height;
712 if (rect->left > rect->right)
713 {
714 int tmp = rect->left;
715 rect->left = rect->right + 1;
716 rect->right = tmp + 1;
717 }
718 if (rect->top > rect->bottom)
719 {
720 int tmp = rect->top;
721 rect->top = rect->bottom + 1;
722 rect->bottom = tmp + 1;
723 }
724 }
725
726 static inline void reset_bounds( RECT *bounds )
727 {
728 bounds->left = bounds->top = INT_MAX;
729 bounds->right = bounds->bottom = INT_MIN;
730 }
731
732 static inline void add_bounds_rect( RECT *bounds, const RECT *rect )
733 {
734 if (is_rect_empty( rect )) return;
735 bounds->left = min( bounds->left, rect->left );
736 bounds->top = min( bounds->top, rect->top );
737 bounds->right = max( bounds->right, rect->right );
738 bounds->bottom = max( bounds->bottom, rect->bottom );
739 }
740
741 static inline int get_bitmap_stride( int width, int bpp )
742 {
743 return ((width * bpp + 15) >> 3) & ~1;
744 }
745
746 static inline int get_dib_stride( int width, int bpp )
747 {
748 return ((width * bpp + 31) >> 3) & ~3;
749 }
750
751 static inline int get_dib_image_size( const BITMAPINFO *info )
752 {
753 return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
754 * abs( info->bmiHeader.biHeight );
755 }
756
757 /* only for use on sanitized BITMAPINFO structures */
758 static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse )
759 {
760 if (info->bmiHeader.biCompression == BI_BITFIELDS)
761 return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
762 if (coloruse == DIB_PAL_COLORS)
763 return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
764 return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
765 }
766
767 /* only for use on sanitized BITMAPINFO structures */
768 static inline void copy_bitmapinfo( BITMAPINFO *dst, const BITMAPINFO *src )
769 {
770 memcpy( dst, src, get_dib_info_size( src, DIB_RGB_COLORS ));
771 }
772
773 extern void CDECL free_heap_bits( struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
774
775 extern HMODULE gdi32_module DECLSPEC_HIDDEN;
776
777 #endif /* __WINE_NTGDI_PRIVATE_H */
Windows API implementation