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gdi32: Store brush origin in DC_ATTR.
[wine.git] / dlls / gdi32 / ntgdi_private.h
blobc3ae797ddf6815a97ccae0302f587833ffbc6055
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 INT saveLevel;
83 DC_ATTR *attr; /* DC attributes accessible by client */
84 struct tagDC *saved_dc;
85 DWORD_PTR dwHookData;
86 DCHOOKPROC hookProc; /* DC hook */
87 BOOL bounds_enabled:1; /* bounds tracking is enabled */
88 BOOL path_open:1; /* path is currently open (only for saved DCs) */
89
90 SIZE virtual_res; /* Initially HORZRES,VERTRES. Changed by SetVirtualResolution */
91 SIZE virtual_size; /* Initially HORZSIZE,VERTSIZE. Changed by SetVirtualResolution */
92 RECT device_rect; /* rectangle for the whole device */
93 int pixel_format; /* pixel format (for memory DCs) */
94 UINT aa_flags; /* anti-aliasing flags to pass to GetGlyphOutline for current font */
95 WCHAR display[CCHDEVICENAME]; /* Display name when created for a specific display device */
96
97 int flags;
98 HRGN hClipRgn; /* Clip region */
99 HRGN hMetaRgn; /* Meta region */
100 HRGN hVisRgn; /* Visible region */
101 HRGN region; /* Total DC region (intersection of clip and visible) */
102 HPEN hPen;
103 HBRUSH hBrush;
104 HFONT hFont;
105 HBITMAP hBitmap;
106 HPALETTE hPalette;
107
108 struct gdi_path *path;
109
110 const struct font_gamma_ramp *font_gamma_ramp;
111
112 UINT font_code_page;
113 DWORD mapperFlags; /* Font mapper flags */
114 INT charExtra; /* Spacing from SetTextCharacterExtra() */
115 INT breakExtra; /* breakTotalExtra / breakCount */
116 INT breakRem; /* breakTotalExtra % breakCount */
117 ABORTPROC pAbortProc; /* AbortProc for Printing */
118 XFORM xformWorld2Wnd; /* World-to-window transformation */
119 XFORM xformWorld2Vport; /* World-to-viewport transformation */
120 XFORM xformVport2World; /* Inverse of the above transformation */
121 BOOL vport2WorldValid; /* Is xformVport2World valid? */
122 RECT bounds; /* Current bounding rect */
123 } DC;
124
125 /* Certain functions will do no further processing if the driver returns this.
126 Used by mfdrv for example. */
127 #define GDI_NO_MORE_WORK 2
128
129 /* Rounds a floating point number to integer. The world-to-viewport
130 * transformation process is done in floating point internally. This function
131 * is then used to round these coordinates to integer values.
132 */
133 static inline INT GDI_ROUND(double val)
134 {
135 return (int)floor(val + 0.5);
136 }
137
138 #define GET_DC_PHYSDEV(dc,func) \
139 get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func))
140
141 static inline PHYSDEV pop_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
142 {
143 PHYSDEV dev, *pdev = &dc->physDev;
144 while (*pdev && (*pdev)->funcs != funcs) pdev = &(*pdev)->next;
145 if (!*pdev) return NULL;
146 dev = *pdev;
147 *pdev = dev->next;
148 return dev;
149 }
150
151 static inline PHYSDEV find_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
152 {
153 PHYSDEV dev;
154
155 for (dev = dc->physDev; dev; dev = dev->next) if (dev->funcs == funcs) return dev;
156 return NULL;
157 }
158
159 /* bitmap object */
160
161 typedef struct tagBITMAPOBJ
162 {
163 struct gdi_obj_header obj;
164 DIBSECTION dib;
165 SIZE size; /* For SetBitmapDimension() */
166 RGBQUAD *color_table; /* DIB color table if <= 8bpp (always 1 << bpp in size) */
167 } BITMAPOBJ;
168
169 static inline BOOL is_bitmapobj_dib( const BITMAPOBJ *bmp )
170 {
171 return bmp->dib.dsBmih.biSize != 0;
172 }
173
174 /* bidi.c */
175
176 /* Wine_GCPW Flags */
177 /* Directionality -
178 * LOOSE means taking the directionality of the first strong character, if there is found one.
179 * FORCE means the paragraph direction is forced. (RLE/LRE)
180 */
181 #define WINE_GCPW_FORCE_LTR 0
182 #define WINE_GCPW_FORCE_RTL 1
183 #define WINE_GCPW_LOOSE_LTR 2
184 #define WINE_GCPW_LOOSE_RTL 3
185 #define WINE_GCPW_DIR_MASK 3
186 #define WINE_GCPW_LOOSE_MASK 2
187
188 extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
189 LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
190
191 /* bitblt.c */
192 extern DWORD convert_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
193 BITMAPINFO *dst_info, struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
194 extern BOOL intersect_vis_rectangles( struct bitblt_coords *dst, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
195 extern DWORD stretch_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
196 BITMAPINFO *dst_info, struct bitblt_coords *dst,
197 struct gdi_image_bits *bits, int mode ) DECLSPEC_HIDDEN;
198 extern void get_mono_dc_colors( DC *dc, int color_table_size, BITMAPINFO *info, int count ) DECLSPEC_HIDDEN;
199
200 /* brush.c */
201 extern BOOL store_brush_pattern( LOGBRUSH *brush, struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
202 extern void free_brush_pattern( struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
203 extern BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage ) DECLSPEC_HIDDEN;
204
205 /* clipping.c */
206 extern BOOL clip_device_rect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
207 extern BOOL clip_visrect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
208 extern void update_dc_clipping( DC * dc ) DECLSPEC_HIDDEN;
209
210 /* Return the total DC region (if any) */
211 static inline HRGN get_dc_region( DC *dc )
212 {
213 if (dc->region) return dc->region;
214 if (dc->hVisRgn) return dc->hVisRgn;
215 if (dc->hClipRgn) return dc->hClipRgn;
216 return dc->hMetaRgn;
217 }
218
219 /* dc.c */
220 extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
221 extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
222 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
223 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
224 extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
225 extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
226 extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
227
228 /* dib.c */
229 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
230 extern BOOL fill_color_table_from_pal_colors( BITMAPINFO *info, HDC hdc ) DECLSPEC_HIDDEN;
231 extern const RGBQUAD *get_default_color_table( int bpp ) DECLSPEC_HIDDEN;
232 extern void fill_default_color_table( BITMAPINFO *info ) DECLSPEC_HIDDEN;
233 extern void get_ddb_bitmapinfo( BITMAPOBJ *bmp, BITMAPINFO *info ) DECLSPEC_HIDDEN;
234 extern BITMAPINFO *copy_packed_dib( const BITMAPINFO *src_info, UINT usage ) DECLSPEC_HIDDEN;
235 extern DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
236 const BITMAPINFO *dst_info, void *dst_bits ) DECLSPEC_HIDDEN;
237
238 extern DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
239 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
240 INT mode ) DECLSPEC_HIDDEN;
241 extern DWORD blend_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
242 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
243 BLENDFUNCTION blend ) DECLSPEC_HIDDEN;
244 extern DWORD gradient_bitmapinfo( const BITMAPINFO *info, void *bits, TRIVERTEX *vert_array, ULONG nvert,
245 void *grad_array, ULONG ngrad, ULONG mode, const POINT *dev_pts, HRGN rgn ) DECLSPEC_HIDDEN;
246 extern COLORREF get_pixel_bitmapinfo( const BITMAPINFO *info, void *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
247 extern BOOL render_aa_text_bitmapinfo( DC *dc, BITMAPINFO *info, struct gdi_image_bits *bits,
248 struct bitblt_coords *src, INT x, INT y, UINT flags,
249 UINT aa_flags, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
250 extern DWORD get_image_from_bitmap( BITMAPOBJ *bmp, BITMAPINFO *info,
251 struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
252 extern DWORD put_image_into_bitmap( BITMAPOBJ *bmp, HRGN clip, BITMAPINFO *info,
253 const struct gdi_image_bits *bits, struct bitblt_coords *src,
254 struct bitblt_coords *dst ) DECLSPEC_HIDDEN;
255 extern void dibdrv_set_window_surface( DC *dc, struct window_surface *surface ) DECLSPEC_HIDDEN;
256
257 extern NTSTATUS init_opengl_lib( HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out ) DECLSPEC_HIDDEN;
258
259 /* driver.c */
260 extern const struct gdi_dc_funcs null_driver DECLSPEC_HIDDEN;
261 extern const struct gdi_dc_funcs dib_driver DECLSPEC_HIDDEN;
262 extern const struct gdi_dc_funcs path_driver DECLSPEC_HIDDEN;
263 extern const struct gdi_dc_funcs font_driver DECLSPEC_HIDDEN;
264 extern const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
265 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
266
267 /* enhmetafile.c */
268 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, DWORD filesize, BOOL on_disk ) DECLSPEC_HIDDEN;
269
270 /* font.c */
271
272 struct font_gamma_ramp
273 {
274 DWORD gamma;
275 BYTE encode[256];
276 BYTE decode[256];
277 };
278
279 /* Undocumented structure filled in by GetFontRealizationInfo */
280 struct font_realization_info
281 {
282 DWORD size; /* could be 16 or 24 */
283 DWORD flags; /* 1 for bitmap fonts, 3 for scalable fonts */
284 DWORD cache_num; /* keeps incrementing - num of fonts that have been created allowing for caching?? */
285 DWORD instance_id; /* identifies a realized font instance */
286 DWORD file_count; /* number of files that make up this font */
287 WORD face_index; /* face index in case of font collections */
288 WORD simulations; /* 0 bit - bold simulation, 1 bit - oblique simulation */
289 };
290
291 /* Undocumented structure filled in by GetCharWidthInfo */
292 struct char_width_info
293 {
294 INT lsb; /* minimum left side bearing */
295 INT rsb; /* minimum right side bearing */
296 INT unk; /* unknown */
297 };
298
299 typedef struct { FLOAT eM11, eM12, eM21, eM22; } FMAT2;
300
301 struct bitmap_font_size
302 {
303 int width;
304 int height;
305 int size;
306 int x_ppem;
307 int y_ppem;
308 int internal_leading;
309 };
310
311 struct gdi_font
312 {
313 struct list entry;
314 struct list unused_entry;
315 DWORD refcount;
316 DWORD gm_size;
317 struct glyph_metrics **gm;
318 OUTLINETEXTMETRICW otm;
319 KERNINGPAIR *kern_pairs;
320 int kern_count;
321 /* the following members can be accessed without locking, they are never modified after creation */
322 void *private; /* font backend private data */
323 struct list child_fonts;
324 DWORD handle;
325 DWORD cache_num;
326 DWORD hash;
327 UINT charset;
328 UINT codepage;
329 FONTSIGNATURE fs;
330 LOGFONTW lf;
331 FMAT2 matrix;
332 UINT face_index;
333 INT scale_y;
334 INT aveWidth;
335 INT ppem;
336 SHORT yMax;
337 SHORT yMin;
338 UINT ntmFlags;
339 UINT ntmAvgWidth;
340 UINT aa_flags;
341 ULONG ttc_item_offset; /* 0 if font is not a part of TrueType collection */
342 BOOL can_use_bitmap : 1;
343 BOOL fake_italic : 1;
344 BOOL fake_bold : 1;
345 BOOL scalable : 1;
346 struct gdi_font *base_font;
347 void *gsub_table;
348 void *vert_feature;
349 void *data_ptr;
350 SIZE_T data_size;
351 FILETIME writetime;
352 WCHAR file[1];
353 };
354
355 #define MS_MAKE_TAG(ch1,ch2,ch3,ch4) \
356 (((DWORD)ch4 << 24) | ((DWORD)ch3 << 16) | ((DWORD)ch2 << 8) | (DWORD)ch1)
357
358 #define MS_GASP_TAG MS_MAKE_TAG('g', 'a', 's', 'p')
359 #define MS_GSUB_TAG MS_MAKE_TAG('G', 'S', 'U', 'B')
360 #define MS_KERN_TAG MS_MAKE_TAG('k', 'e', 'r', 'n')
361 #define MS_TTCF_TAG MS_MAKE_TAG('t', 't', 'c', 'f')
362 #define MS_VDMX_TAG MS_MAKE_TAG('V', 'D', 'M', 'X')
363
364 #define FS_DBCS_MASK (FS_JISJAPAN | FS_CHINESESIMP | FS_WANSUNG | FS_CHINESETRAD | FS_JOHAB)
365
366 #define ADDFONT_EXTERNAL_FONT 0x01
367 #define ADDFONT_ALLOW_BITMAP 0x02
368 #define ADDFONT_ADD_TO_CACHE 0x04
369 #define ADDFONT_ADD_RESOURCE 0x08 /* added through AddFontResource */
370 #define ADDFONT_VERTICAL_FONT 0x10
371 #define ADDFONT_EXTERNAL_FOUND 0x20
372 #define ADDFONT_AA_FLAGS(flags) ((flags) << 16)
373
374 struct font_backend_funcs
375 {
376 void (CDECL *load_fonts)(void);
377 BOOL (CDECL *enum_family_fallbacks)( DWORD pitch_and_family, int index, WCHAR buffer[LF_FACESIZE] );
378 INT (CDECL *add_font)( const WCHAR *file, DWORD flags );
379 INT (CDECL *add_mem_font)( void *ptr, SIZE_T size, DWORD flags );
380
381 BOOL (CDECL *load_font)( struct gdi_font *gdi_font );
382 DWORD (CDECL *get_font_data)( struct gdi_font *gdi_font, DWORD table, DWORD offset,
383 void *buf, DWORD count );
384 UINT (CDECL *get_aa_flags)( struct gdi_font *font, UINT aa_flags, BOOL antialias_fakes );
385 BOOL (CDECL *get_glyph_index)( struct gdi_font *gdi_font, UINT *glyph, BOOL use_encoding );
386 UINT (CDECL *get_default_glyph)( struct gdi_font *gdi_font );
387 DWORD (CDECL *get_glyph_outline)( struct gdi_font *font, UINT glyph, UINT format,
388 GLYPHMETRICS *gm, ABC *abc, DWORD buflen, void *buf,
389 const MAT2 *mat, BOOL tategaki );
390 DWORD (CDECL *get_unicode_ranges)( struct gdi_font *font, GLYPHSET *gs );
391 BOOL (CDECL *get_char_width_info)( struct gdi_font *font, struct char_width_info *info );
392 BOOL (CDECL *set_outline_text_metrics)( struct gdi_font *font );
393 BOOL (CDECL *set_bitmap_text_metrics)( struct gdi_font *font );
394 DWORD (CDECL *get_kerning_pairs)( struct gdi_font *gdi_font, KERNINGPAIR **kern_pair );
395 void (CDECL *destroy_font)( struct gdi_font *font );
396 };
397
398 struct font_callback_funcs
399 {
400 int (CDECL *add_gdi_face)( const WCHAR *family_name, const WCHAR *second_name,
401 const WCHAR *style, const WCHAR *fullname, const WCHAR *file,
402 void *data_ptr, SIZE_T data_size, UINT index, FONTSIGNATURE fs,
403 DWORD ntmflags, DWORD version, DWORD flags,
404 const struct bitmap_font_size *size );
405 };
406
407 extern void font_init(void) DECLSPEC_HIDDEN;
408
409 /* opentype.c */
410
411 struct ttc_sfnt_v1;
412 struct tt_name_v0;
413
414 struct opentype_name
415 {
416 DWORD codepage;
417 DWORD length;
418 const void *bytes;
419 };
420
421 extern BOOL opentype_get_ttc_sfnt_v1( const void *data, size_t size, DWORD index, DWORD *count,
422 const struct ttc_sfnt_v1 **ttc_sfnt_v1 ) DECLSPEC_HIDDEN;
423 extern BOOL opentype_get_tt_name_v0( const void *data, size_t size, const struct ttc_sfnt_v1 *ttc_sfnt_v1,
424 const struct tt_name_v0 **tt_name_v0 ) DECLSPEC_HIDDEN;
425
426 typedef BOOL ( *opentype_enum_names_cb )( LANGID langid, struct opentype_name *name, void *user );
427 extern BOOL opentype_enum_family_names( const struct tt_name_v0 *tt_name_v0,
428 opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN;
429 extern BOOL opentype_enum_style_names( const struct tt_name_v0 *tt_name_v0,
430 opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN;
431 extern BOOL opentype_enum_full_names( const struct tt_name_v0 *tt_name_v0,
432 opentype_enum_names_cb callback, void *user ) DECLSPEC_HIDDEN;
433
434 extern BOOL opentype_get_properties( const void *data, size_t size, const struct ttc_sfnt_v1 *ttc_sfnt_v1,
435 DWORD *version, FONTSIGNATURE *fs, DWORD *ntm_flags ) DECLSPEC_HIDDEN;
436
437 /* gdiobj.c */
438 extern HGDIOBJ alloc_gdi_handle( struct gdi_obj_header *obj, WORD type,
439 const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
440 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
441 extern HGDIOBJ get_full_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
442 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
443 extern void *get_any_obj_ptr( HGDIOBJ, WORD * ) DECLSPEC_HIDDEN;
444 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
445 extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
446 extern UINT GDI_get_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
447 extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
448 extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
449 extern void GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
450 extern void GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
451 extern DWORD get_dpi(void) DECLSPEC_HIDDEN;
452 extern DWORD get_system_dpi(void) DECLSPEC_HIDDEN;
453
454 /* mapping.c */
455 extern BOOL dp_to_lp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
456 extern void lp_to_dp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
457
458 /* metafile.c */
459 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
460
461 /* Format of comment record added by GetWinMetaFileBits */
462 #include <pshpack2.h>
463 typedef struct
464 {
465 DWORD magic; /* WMFC */
466 WORD unk04; /* 1 */
467 WORD unk06; /* 0 */
468 WORD unk08; /* 0 */
469 WORD unk0a; /* 1 */
470 WORD checksum;
471 DWORD unk0e; /* 0 */
472 DWORD num_chunks;
473 DWORD chunk_size;
474 DWORD remaining_size;
475 DWORD emf_size;
476 BYTE emf_data[1];
477 } emf_in_wmf_comment;
478 #include <poppack.h>
479
480 #define WMFC_MAGIC 0x43464d57
481
482 /* driver.c */
483 extern BOOL is_display_device( LPCWSTR name ) DECLSPEC_HIDDEN;
484
485 /* path.c */
486
487 extern void free_gdi_path( struct gdi_path *path ) DECLSPEC_HIDDEN;
488 extern struct gdi_path *get_gdi_flat_path( DC *dc, HRGN *rgn ) DECLSPEC_HIDDEN;
489 extern int get_gdi_path_data( struct gdi_path *path, POINT **points, BYTE **flags ) DECLSPEC_HIDDEN;
490 extern BOOL PATH_SavePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
491 extern BOOL PATH_RestorePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
492
493 /* painting.c */
494 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
495
496 /* palette.c */
497 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
498 extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
499 extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
500
501 /* region.c */
502 extern BOOL add_rect_to_region( HRGN rgn, const RECT *rect ) DECLSPEC_HIDDEN;
503 extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
504 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
505 extern HRGN create_polypolygon_region( const POINT *pts, const INT *count, INT nbpolygons,
506 INT mode, const RECT *clip_rect ) DECLSPEC_HIDDEN;
507
508 #define RGN_DEFAULT_RECTS 4
509 typedef struct
510 {
511 struct gdi_obj_header obj;
512 INT size;
513 INT numRects;
514 RECT *rects;
515 RECT extents;
516 RECT rects_buf[RGN_DEFAULT_RECTS];
517 } WINEREGION;
518
519 /* return the region data without making a copy */
520 static inline const WINEREGION *get_wine_region(HRGN rgn)
521 {
522 return GDI_GetObjPtr( rgn, NTGDI_OBJ_REGION );
523 }
524 static inline void release_wine_region(HRGN rgn)
525 {
526 GDI_ReleaseObj(rgn);
527 }
528
529 /**********************************************************
530 * region_find_pt
531 *
532 * Return either the index of the rectangle that contains (x,y) or the first
533 * rectangle after it. Sets *hit to TRUE if the region contains (x,y).
534 * Note if (x,y) follows all rectangles, then the return value will be rgn->numRects.
535 */
536 static inline int region_find_pt( const WINEREGION *rgn, int x, int y, BOOL *hit )
537 {
538 int i, start = 0, end = rgn->numRects - 1;
539 BOOL h = FALSE;
540
541 while (start <= end)
542 {
543 i = (start + end) / 2;
544
545 if (rgn->rects[i].bottom <= y ||
546 (rgn->rects[i].top <= y && rgn->rects[i].right <= x))
547 start = i + 1;
548 else if (rgn->rects[i].top > y ||
549 (rgn->rects[i].bottom > y && rgn->rects[i].left > x))
550 end = i - 1;
551 else
552 {
553 h = TRUE;
554 break;
555 }
556 }
557
558 if (hit) *hit = h;
559 return h ? i : start;
560 }
561
562 /* null driver entry points */
563 extern BOOL CDECL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
564 extern BOOL CDECL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
565 PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION func) DECLSPEC_HIDDEN;
566 extern BOOL CDECL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
567 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;
568 extern BOOL CDECL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
569 extern DWORD CDECL nulldrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
570 struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN;
571 extern BOOL CDECL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
572 extern BOOL CDECL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
573 extern INT CDECL nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
574 extern INT CDECL nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
575 extern BOOL CDECL nulldrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *rect,
576 LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
577 extern BOOL CDECL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
578 extern BOOL CDECL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
579 extern BOOL CDECL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
580 extern BOOL CDECL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
581 extern LONG CDECL nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
582 extern COLORREF CDECL nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
583 extern COLORREF CDECL nulldrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
584 extern UINT CDECL nulldrv_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, PALETTEENTRY *entries ) DECLSPEC_HIDDEN;
585 extern BOOL CDECL nulldrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
586 void * grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN;
587 extern INT CDECL nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
588 extern BOOL CDECL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
589 extern BOOL CDECL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
590 extern INT CDECL nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
591 extern BOOL CDECL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
592 extern BOOL CDECL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
593 extern BOOL CDECL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
594 extern BOOL CDECL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
595 extern BOOL CDECL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
596 extern BOOL CDECL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
597 extern BOOL CDECL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
598 extern BOOL CDECL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
599 extern BOOL CDECL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
600 extern BOOL CDECL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
601 extern INT CDECL nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
602 INT x_src, INT y_src, UINT start, UINT lines,
603 const void *bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
604 extern INT CDECL nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
605 extern BOOL CDECL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
606 extern BOOL CDECL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
607 extern BOOL CDECL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
608 extern BOOL CDECL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
609 extern BOOL CDECL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
610 extern BOOL CDECL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
611 PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
612 extern INT CDECL nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
613 INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
614 BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
615 extern BOOL CDECL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
616 extern BOOL CDECL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
617 extern BOOL CDECL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
618
619 static inline DC *get_nulldrv_dc( PHYSDEV dev )
620 {
621 return CONTAINING_RECORD( dev, DC, nulldrv );
622 }
623
624 static inline DC *get_physdev_dc( PHYSDEV dev )
625 {
626 while (dev->funcs != &null_driver)
627 dev = dev->next;
628 return get_nulldrv_dc( dev );
629 }
630
631 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
632 #define DIB_PAL_MONO 2
633
634 BOOL WINAPI FontIsLinked(HDC);
635
636 BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
637
638 static inline BOOL is_rect_empty( const RECT *rect )
639 {
640 return (rect->left >= rect->right || rect->top >= rect->bottom);
641 }
642
643 static inline BOOL intersect_rect( RECT *dst, const RECT *src1, const RECT *src2 )
644 {
645 dst->left = max( src1->left, src2->left );
646 dst->top = max( src1->top, src2->top );
647 dst->right = min( src1->right, src2->right );
648 dst->bottom = min( src1->bottom, src2->bottom );
649 return !is_rect_empty( dst );
650 }
651
652 static inline void offset_rect( RECT *rect, int offset_x, int offset_y )
653 {
654 rect->left += offset_x;
655 rect->top += offset_y;
656 rect->right += offset_x;
657 rect->bottom += offset_y;
658 }
659
660 static inline void set_rect( RECT *rect, int left, int top, int right, int bottom )
661 {
662 rect->left = left;
663 rect->top = top;
664 rect->right = right;
665 rect->bottom = bottom;
666 }
667
668 static inline void order_rect( RECT *rect )
669 {
670 if (rect->left > rect->right)
671 {
672 int tmp = rect->left;
673 rect->left = rect->right;
674 rect->right = tmp;
675 }
676 if (rect->top > rect->bottom)
677 {
678 int tmp = rect->top;
679 rect->top = rect->bottom;
680 rect->bottom = tmp;
681 }
682 }
683
684 static inline void get_bounding_rect( RECT *rect, int x, int y, int width, int height )
685 {
686 rect->left = x;
687 rect->right = x + width;
688 rect->top = y;
689 rect->bottom = y + height;
690 if (rect->left > rect->right)
691 {
692 int tmp = rect->left;
693 rect->left = rect->right + 1;
694 rect->right = tmp + 1;
695 }
696 if (rect->top > rect->bottom)
697 {
698 int tmp = rect->top;
699 rect->top = rect->bottom + 1;
700 rect->bottom = tmp + 1;
701 }
702 }
703
704 static inline void reset_bounds( RECT *bounds )
705 {
706 bounds->left = bounds->top = INT_MAX;
707 bounds->right = bounds->bottom = INT_MIN;
708 }
709
710 static inline void add_bounds_rect( RECT *bounds, const RECT *rect )
711 {
712 if (is_rect_empty( rect )) return;
713 bounds->left = min( bounds->left, rect->left );
714 bounds->top = min( bounds->top, rect->top );
715 bounds->right = max( bounds->right, rect->right );
716 bounds->bottom = max( bounds->bottom, rect->bottom );
717 }
718
719 static inline int get_bitmap_stride( int width, int bpp )
720 {
721 return ((width * bpp + 15) >> 3) & ~1;
722 }
723
724 static inline int get_dib_stride( int width, int bpp )
725 {
726 return ((width * bpp + 31) >> 3) & ~3;
727 }
728
729 static inline int get_dib_image_size( const BITMAPINFO *info )
730 {
731 return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
732 * abs( info->bmiHeader.biHeight );
733 }
734
735 /* only for use on sanitized BITMAPINFO structures */
736 static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse )
737 {
738 if (info->bmiHeader.biCompression == BI_BITFIELDS)
739 return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
740 if (coloruse == DIB_PAL_COLORS)
741 return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
742 return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
743 }
744
745 /* only for use on sanitized BITMAPINFO structures */
746 static inline void copy_bitmapinfo( BITMAPINFO *dst, const BITMAPINFO *src )
747 {
748 memcpy( dst, src, get_dib_info_size( src, DIB_RGB_COLORS ));
749 }
750
751 extern void CDECL free_heap_bits( struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
752
753 extern HMODULE gdi32_module DECLSPEC_HIDDEN;
754
755 #endif /* __WINE_NTGDI_PRIVATE_H */
Windows API implementation