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gdiplus: Support GdipSetClipRegion in metafiles.
[wine.git] / dlls / gdi32 / gdi_private.h
blob4236aa3690a727716c75fdc64c8ac8bcb83cda20
1 /*
2 * GDI definitions
3 *
4 * Copyright 1993 Alexandre Julliard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #ifndef __WINE_GDI_PRIVATE_H
22 #define __WINE_GDI_PRIVATE_H
23
24 #include <limits.h>
25 #include <math.h>
26 #include <stdlib.h>
27 #include <stdarg.h>
28 #include "windef.h"
29 #include "winbase.h"
30 #include "wingdi.h"
31 #include "wine/gdi_driver.h"
32
33 /* Metafile defines */
34 #define META_EOF 0x0000
35 /* values of mtType in METAHEADER. Note however that the disk image of a disk
36 based metafile has mtType == 1 */
37 #define METAFILE_MEMORY 1
38 #define METAFILE_DISK 2
39 #define MFHEADERSIZE (sizeof(METAHEADER))
40 #define MFVERSION 0x300
41
42 typedef struct {
43 EMR emr;
44 INT nBreakExtra;
45 INT nBreakCount;
46 } EMRSETTEXTJUSTIFICATION, *PEMRSETTEXTJUSTIFICATION;
47
48 /* extra stock object: default 1x1 bitmap for memory DCs */
49 #define DEFAULT_BITMAP (STOCK_LAST+1)
50
51 struct gdi_obj_funcs
52 {
53 HGDIOBJ (*pSelectObject)( HGDIOBJ handle, HDC hdc );
54 INT (*pGetObjectA)( HGDIOBJ handle, INT count, LPVOID buffer );
55 INT (*pGetObjectW)( HGDIOBJ handle, INT count, LPVOID buffer );
56 BOOL (*pUnrealizeObject)( HGDIOBJ handle );
57 BOOL (*pDeleteObject)( HGDIOBJ handle );
58 };
59
60 typedef struct tagDC
61 {
62 HDC hSelf; /* Handle to this DC */
63 struct gdi_physdev nulldrv; /* physdev for the null driver */
64 PHYSDEV physDev; /* current top of the physdev stack */
65 DWORD thread; /* thread owning the DC */
66 LONG refcount; /* thread refcount */
67 LONG dirty; /* dirty flag */
68 LONG disabled; /* get_dc_ptr() will return NULL. Controlled by DCHF_(DISABLE|ENABLE)DC */
69 INT saveLevel;
70 struct tagDC *saved_dc;
71 DWORD_PTR dwHookData;
72 DCHOOKPROC hookProc; /* DC hook */
73 BOOL bounds_enabled:1; /* bounds tracking is enabled */
74 BOOL path_open:1; /* path is currently open (only for saved DCs) */
75
76 POINT wnd_org; /* Window origin */
77 SIZE wnd_ext; /* Window extent */
78 POINT vport_org; /* Viewport origin */
79 SIZE vport_ext; /* Viewport extent */
80 SIZE virtual_res; /* Initially HORZRES,VERTRES. Changed by SetVirtualResolution */
81 SIZE virtual_size; /* Initially HORZSIZE,VERTSIZE. Changed by SetVirtualResolution */
82 RECT vis_rect; /* visible rectangle in screen coords */
83 RECT device_rect; /* rectangle for the whole device */
84 int pixel_format; /* pixel format (for memory DCs) */
85 UINT aa_flags; /* anti-aliasing flags to pass to GetGlyphOutline for current font */
86 FLOAT miterLimit;
87
88 int flags;
89 DWORD layout;
90 HRGN hClipRgn; /* Clip region */
91 HRGN hMetaRgn; /* Meta region */
92 HRGN hVisRgn; /* Visible region */
93 HRGN region; /* Total DC region (intersection of clip and visible) */
94 HPEN hPen;
95 HBRUSH hBrush;
96 HFONT hFont;
97 HBITMAP hBitmap;
98 HPALETTE hPalette;
99
100 struct gdi_path *path;
101
102 UINT font_code_page;
103 WORD ROPmode;
104 WORD polyFillMode;
105 WORD stretchBltMode;
106 WORD relAbsMode;
107 WORD backgroundMode;
108 COLORREF backgroundColor;
109 COLORREF textColor;
110 COLORREF dcBrushColor;
111 COLORREF dcPenColor;
112 POINT brush_org;
113
114 DWORD mapperFlags; /* Font mapper flags */
115 WORD textAlign; /* Text alignment from SetTextAlign() */
116 INT charExtra; /* Spacing from SetTextCharacterExtra() */
117 INT breakExtra; /* breakTotalExtra / breakCount */
118 INT breakRem; /* breakTotalExtra % breakCount */
119 INT MapMode;
120 INT GraphicsMode; /* Graphics mode */
121 ABORTPROC pAbortProc; /* AbortProc for Printing */
122 POINT cur_pos; /* Current position */
123 INT ArcDirection;
124 XFORM xformWorld2Wnd; /* World-to-window transformation */
125 XFORM xformWorld2Vport; /* World-to-viewport transformation */
126 XFORM xformVport2World; /* Inverse of the above transformation */
127 BOOL vport2WorldValid; /* Is xformVport2World valid? */
128 RECT bounds; /* Current bounding rect */
129 } DC;
130
131 /* Certain functions will do no further processing if the driver returns this.
132 Used by mfdrv for example. */
133 #define GDI_NO_MORE_WORK 2
134
135 /* Rounds a floating point number to integer. The world-to-viewport
136 * transformation process is done in floating point internally. This function
137 * is then used to round these coordinates to integer values.
138 */
139 static inline INT GDI_ROUND(double val)
140 {
141 return (int)floor(val + 0.5);
142 }
143
144 #define GET_DC_PHYSDEV(dc,func) \
145 get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func))
146
147 static inline PHYSDEV pop_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
148 {
149 PHYSDEV dev, *pdev = &dc->physDev;
150 while (*pdev && (*pdev)->funcs != funcs) pdev = &(*pdev)->next;
151 if (!*pdev) return NULL;
152 dev = *pdev;
153 *pdev = dev->next;
154 return dev;
155 }
156
157 static inline PHYSDEV find_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
158 {
159 PHYSDEV dev;
160
161 for (dev = dc->physDev; dev; dev = dev->next) if (dev->funcs == funcs) return dev;
162 return NULL;
163 }
164
165 /* bitmap object */
166
167 typedef struct tagBITMAPOBJ
168 {
169 DIBSECTION dib;
170 SIZE size; /* For SetBitmapDimension() */
171 RGBQUAD *color_table; /* DIB color table if <= 8bpp (always 1 << bpp in size) */
172 } BITMAPOBJ;
173
174 static inline BOOL is_bitmapobj_dib( const BITMAPOBJ *bmp )
175 {
176 return bmp->dib.dsBmih.biSize != 0;
177 }
178
179 /* bidi.c */
180
181 /* Wine_GCPW Flags */
182 /* Directionality -
183 * LOOSE means taking the directionality of the first strong character, if there is found one.
184 * FORCE means the paragraph direction is forced. (RLE/LRE)
185 */
186 #define WINE_GCPW_FORCE_LTR 0
187 #define WINE_GCPW_FORCE_RTL 1
188 #define WINE_GCPW_LOOSE_LTR 2
189 #define WINE_GCPW_LOOSE_RTL 3
190 #define WINE_GCPW_DIR_MASK 3
191 #define WINE_GCPW_LOOSE_MASK 2
192
193 extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
194 LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
195
196 /* bitblt.c */
197 extern DWORD convert_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
198 BITMAPINFO *dst_info, struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
199 extern BOOL intersect_vis_rectangles( struct bitblt_coords *dst, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
200 extern DWORD stretch_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
201 BITMAPINFO *dst_info, struct bitblt_coords *dst,
202 struct gdi_image_bits *bits, int mode ) DECLSPEC_HIDDEN;
203 extern void get_mono_dc_colors( DC *dc, int color_table_size, BITMAPINFO *info, int count ) DECLSPEC_HIDDEN;
204
205 /* brush.c */
206 extern BOOL store_brush_pattern( LOGBRUSH *brush, struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
207 extern void free_brush_pattern( struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
208 extern BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage ) DECLSPEC_HIDDEN;
209
210 /* clipping.c */
211 extern BOOL clip_device_rect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
212 extern BOOL clip_visrect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
213 extern void update_dc_clipping( DC * dc ) DECLSPEC_HIDDEN;
214
215 /* Return the total DC region (if any) */
216 static inline HRGN get_dc_region( DC *dc )
217 {
218 if (dc->region) return dc->region;
219 if (dc->hVisRgn) return dc->hVisRgn;
220 if (dc->hClipRgn) return dc->hClipRgn;
221 return dc->hMetaRgn;
222 }
223
224 /* dc.c */
225 extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
226 extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
227 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
228 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
229 extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
230 extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
231 extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
232
233 /* dib.c */
234 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
235 extern BOOL fill_color_table_from_pal_colors( BITMAPINFO *info, HDC hdc ) DECLSPEC_HIDDEN;
236 extern const RGBQUAD *get_default_color_table( int bpp ) DECLSPEC_HIDDEN;
237 extern void fill_default_color_table( BITMAPINFO *info ) DECLSPEC_HIDDEN;
238 extern void get_ddb_bitmapinfo( BITMAPOBJ *bmp, BITMAPINFO *info ) DECLSPEC_HIDDEN;
239 extern BITMAPINFO *copy_packed_dib( const BITMAPINFO *src_info, UINT usage ) DECLSPEC_HIDDEN;
240 extern DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
241 const BITMAPINFO *dst_info, void *dst_bits ) DECLSPEC_HIDDEN;
242
243 extern DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
244 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
245 INT mode ) DECLSPEC_HIDDEN;
246 extern DWORD blend_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 BLENDFUNCTION blend ) DECLSPEC_HIDDEN;
249 extern DWORD gradient_bitmapinfo( const BITMAPINFO *info, void *bits, TRIVERTEX *vert_array, ULONG nvert,
250 void *grad_array, ULONG ngrad, ULONG mode, const POINT *dev_pts, HRGN rgn ) DECLSPEC_HIDDEN;
251 extern COLORREF get_pixel_bitmapinfo( const BITMAPINFO *info, void *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
252 extern BOOL render_aa_text_bitmapinfo( DC *dc, BITMAPINFO *info, struct gdi_image_bits *bits,
253 struct bitblt_coords *src, INT x, INT y, UINT flags,
254 UINT aa_flags, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
255 extern DWORD get_image_from_bitmap( BITMAPOBJ *bmp, BITMAPINFO *info,
256 struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
257 extern DWORD put_image_into_bitmap( BITMAPOBJ *bmp, HRGN clip, BITMAPINFO *info,
258 const struct gdi_image_bits *bits, struct bitblt_coords *src,
259 struct bitblt_coords *dst ) DECLSPEC_HIDDEN;
260 extern void dibdrv_set_window_surface( DC *dc, struct window_surface *surface ) DECLSPEC_HIDDEN;
261
262 /* driver.c */
263 extern const struct gdi_dc_funcs null_driver DECLSPEC_HIDDEN;
264 extern const struct gdi_dc_funcs dib_driver DECLSPEC_HIDDEN;
265 extern const struct gdi_dc_funcs path_driver DECLSPEC_HIDDEN;
266 extern const struct gdi_dc_funcs *font_driver DECLSPEC_HIDDEN;
267 extern const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
268 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
269
270 /* enhmetafile.c */
271 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
272
273 /* freetype.c */
274
275 /* Undocumented structure filled in by GetFontRealizationInfo */
276 struct font_realization_info
277 {
278 DWORD size; /* could be 16 or 24 */
279 DWORD flags; /* 1 for bitmap fonts, 3 for scalable fonts */
280 DWORD cache_num; /* keeps incrementing - num of fonts that have been created allowing for caching?? */
281 DWORD instance_id; /* identifies a realized font instance */
282 DWORD unk; /* unknown */
283 WORD face_index; /* face index in case of font collections */
284 WORD simulations; /* 0 bit - bold simulation, 1 bit - oblique simulation */
285 };
286
287 extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
288 extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
289 extern BOOL WineEngCreateScalableFontResource(DWORD, LPCWSTR, LPCWSTR, LPCWSTR) DECLSPEC_HIDDEN;
290 extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
291 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
292
293 /* gdiobj.c */
294 extern HGDIOBJ alloc_gdi_handle( void *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
295 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
296 extern HGDIOBJ get_full_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
297 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
298 extern void *get_any_obj_ptr( HGDIOBJ, WORD * ) DECLSPEC_HIDDEN;
299 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
300 extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
301 extern UINT GDI_get_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
302 extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
303 extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
304 extern void GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
305 extern void GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
306 extern DWORD get_dpi(void) DECLSPEC_HIDDEN;
307
308 /* mapping.c */
309 extern BOOL dp_to_lp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
310 extern void lp_to_dp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;
311
312 /* metafile.c */
313 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
314 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
315
316 /* Format of comment record added by GetWinMetaFileBits */
317 #include <pshpack2.h>
318 typedef struct
319 {
320 DWORD magic; /* WMFC */
321 WORD unk04; /* 1 */
322 WORD unk06; /* 0 */
323 WORD unk08; /* 0 */
324 WORD unk0a; /* 1 */
325 WORD checksum;
326 DWORD unk0e; /* 0 */
327 DWORD num_chunks;
328 DWORD chunk_size;
329 DWORD remaining_size;
330 DWORD emf_size;
331 BYTE emf_data[1];
332 } emf_in_wmf_comment;
333 #include <poppack.h>
334
335 #define WMFC_MAGIC 0x43464d57
336
337 /* path.c */
338
339 extern void free_gdi_path( struct gdi_path *path ) DECLSPEC_HIDDEN;
340 extern struct gdi_path *get_gdi_flat_path( DC *dc, HRGN *rgn ) DECLSPEC_HIDDEN;
341 extern int get_gdi_path_data( struct gdi_path *path, POINT **points, BYTE **flags ) DECLSPEC_HIDDEN;
342 extern BOOL PATH_SavePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
343 extern BOOL PATH_RestorePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
344
345 /* painting.c */
346 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
347
348 /* palette.c */
349 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
350 extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
351 extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
352
353 /* region.c */
354 extern BOOL add_rect_to_region( HRGN rgn, const RECT *rect ) DECLSPEC_HIDDEN;
355 extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
356 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
357
358 #define RGN_DEFAULT_RECTS 4
359 typedef struct
360 {
361 INT size;
362 INT numRects;
363 RECT *rects;
364 RECT extents;
365 RECT rects_buf[RGN_DEFAULT_RECTS];
366 } WINEREGION;
367
368 /* return the region data without making a copy */
369 static inline const WINEREGION *get_wine_region(HRGN rgn)
370 {
371 return GDI_GetObjPtr( rgn, OBJ_REGION );
372 }
373 static inline void release_wine_region(HRGN rgn)
374 {
375 GDI_ReleaseObj(rgn);
376 }
377
378 /**********************************************************
379 * region_find_pt
380 *
381 * Return either the index of the rectangle that contains (x,y) or the first
382 * rectangle after it. Sets *hit to TRUE if the region contains (x,y).
383 * Note if (x,y) follows all rectangles, then the return value will be rgn->numRects.
384 */
385 static inline int region_find_pt( const WINEREGION *rgn, int x, int y, BOOL *hit )
386 {
387 int i, start = 0, end = rgn->numRects - 1;
388 BOOL h = FALSE;
389
390 while (start <= end)
391 {
392 i = (start + end) / 2;
393
394 if (rgn->rects[i].bottom <= y ||
395 (rgn->rects[i].top <= y && rgn->rects[i].right <= x))
396 start = i + 1;
397 else if (rgn->rects[i].top > y ||
398 (rgn->rects[i].bottom > y && rgn->rects[i].left > x))
399 end = i - 1;
400 else
401 {
402 h = TRUE;
403 break;
404 }
405 }
406
407 if (hit) *hit = h;
408 return h ? i : start;
409 }
410
411 /* null driver entry points */
412 extern BOOL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
413 extern BOOL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
414 PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION func) DECLSPEC_HIDDEN;
415 extern BOOL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
416 extern BOOL nulldrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN;
417 extern BOOL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
418 extern DWORD nulldrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
419 struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN;
420 extern BOOL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
421 extern BOOL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
422 extern INT nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
423 extern INT nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
424 extern BOOL nulldrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *rect,
425 LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
426 extern BOOL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
427 extern BOOL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
428 extern BOOL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
429 extern BOOL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
430 extern LONG nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
431 extern COLORREF nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
432 extern COLORREF nulldrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
433 extern UINT nulldrv_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, PALETTEENTRY *entries ) DECLSPEC_HIDDEN;
434 extern BOOL nulldrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
435 void * grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN;
436 extern INT nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
437 extern BOOL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
438 extern BOOL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
439 extern INT nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
440 extern BOOL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
441 extern BOOL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
442 extern BOOL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
443 extern BOOL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
444 extern BOOL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
445 extern BOOL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
446 extern BOOL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
447 extern INT nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
448 extern BOOL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
449 extern BOOL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
450 extern BOOL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
451 extern HFONT nulldrv_SelectFont( PHYSDEV dev, HFONT font, UINT *ggo_flags ) DECLSPEC_HIDDEN;
452 extern INT nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
453 INT x_src, INT y_src, UINT start, UINT lines,
454 const void *bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
455 extern INT nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
456 extern BOOL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
457 extern BOOL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
458 extern BOOL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
459 extern BOOL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
460 extern BOOL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
461 extern BOOL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
462 PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
463 extern INT nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
464 INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
465 BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
466 extern BOOL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
467 extern BOOL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
468 extern BOOL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
469
470 static inline DC *get_nulldrv_dc( PHYSDEV dev )
471 {
472 return CONTAINING_RECORD( dev, DC, nulldrv );
473 }
474
475 static inline DC *get_physdev_dc( PHYSDEV dev )
476 {
477 while (dev->funcs != &null_driver)
478 dev = dev->next;
479 return get_nulldrv_dc( dev );
480 }
481
482 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
483 #define DIB_PAL_MONO 2
484
485 BOOL WINAPI FontIsLinked(HDC);
486
487 BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
488
489 static inline BOOL is_rect_empty( const RECT *rect )
490 {
491 return (rect->left >= rect->right || rect->top >= rect->bottom);
492 }
493
494 static inline BOOL intersect_rect( RECT *dst, const RECT *src1, const RECT *src2 )
495 {
496 dst->left = max( src1->left, src2->left );
497 dst->top = max( src1->top, src2->top );
498 dst->right = min( src1->right, src2->right );
499 dst->bottom = min( src1->bottom, src2->bottom );
500 return !is_rect_empty( dst );
501 }
502
503 static inline void offset_rect( RECT *rect, int offset_x, int offset_y )
504 {
505 rect->left += offset_x;
506 rect->top += offset_y;
507 rect->right += offset_x;
508 rect->bottom += offset_y;
509 }
510
511 static inline void order_rect( RECT *rect )
512 {
513 if (rect->left > rect->right)
514 {
515 int tmp = rect->left;
516 rect->left = rect->right;
517 rect->right = tmp;
518 }
519 if (rect->top > rect->bottom)
520 {
521 int tmp = rect->top;
522 rect->top = rect->bottom;
523 rect->bottom = tmp;
524 }
525 }
526
527 static inline void get_bounding_rect( RECT *rect, int x, int y, int width, int height )
528 {
529 rect->left = x;
530 rect->right = x + width;
531 rect->top = y;
532 rect->bottom = y + height;
533 if (rect->left > rect->right)
534 {
535 int tmp = rect->left;
536 rect->left = rect->right + 1;
537 rect->right = tmp + 1;
538 }
539 if (rect->top > rect->bottom)
540 {
541 int tmp = rect->top;
542 rect->top = rect->bottom + 1;
543 rect->bottom = tmp + 1;
544 }
545 }
546
547 static inline void reset_bounds( RECT *bounds )
548 {
549 bounds->left = bounds->top = INT_MAX;
550 bounds->right = bounds->bottom = INT_MIN;
551 }
552
553 static inline void add_bounds_rect( RECT *bounds, const RECT *rect )
554 {
555 if (is_rect_empty( rect )) return;
556 bounds->left = min( bounds->left, rect->left );
557 bounds->top = min( bounds->top, rect->top );
558 bounds->right = max( bounds->right, rect->right );
559 bounds->bottom = max( bounds->bottom, rect->bottom );
560 }
561
562 static inline int get_bitmap_stride( int width, int bpp )
563 {
564 return ((width * bpp + 15) >> 3) & ~1;
565 }
566
567 static inline int get_dib_stride( int width, int bpp )
568 {
569 return ((width * bpp + 31) >> 3) & ~3;
570 }
571
572 static inline int get_dib_image_size( const BITMAPINFO *info )
573 {
574 return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
575 * abs( info->bmiHeader.biHeight );
576 }
577
578 /* only for use on sanitized BITMAPINFO structures */
579 static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse )
580 {
581 if (info->bmiHeader.biCompression == BI_BITFIELDS)
582 return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
583 if (coloruse == DIB_PAL_COLORS)
584 return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
585 return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
586 }
587
588 /* only for use on sanitized BITMAPINFO structures */
589 static inline void copy_bitmapinfo( BITMAPINFO *dst, const BITMAPINFO *src )
590 {
591 memcpy( dst, src, get_dib_info_size( src, DIB_RGB_COLORS ));
592 }
593
594 extern void free_heap_bits( struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
595
596 extern HMODULE gdi32_module DECLSPEC_HIDDEN;
597
598 #endif /* __WINE_GDI_PRIVATE_H */
Windows API implementation