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mlang: Added IMLangConvertCharset stub.
[wine.git] / dlls / gdi32 / gdi_private.h
blob29d4286f30dc9ff87ba9426aeb12c7a639629ec4
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 struct hdc_list
61 {
62 HDC hdc;
63 struct hdc_list *next;
64 };
65
66 typedef struct tagGDIOBJHDR
67 {
68 WORD type; /* object type (one of the OBJ_* constants) */
69 WORD system : 1; /* system object flag */
70 WORD deleted : 1; /* whether DeleteObject has been called on this object */
71 DWORD selcount; /* number of times the object is selected in a DC */
72 const struct gdi_obj_funcs *funcs;
73 struct hdc_list *hdcs;
74 } GDIOBJHDR;
75
76 typedef struct tagGdiFont GdiFont;
77
78 typedef struct tagDC
79 {
80 GDIOBJHDR header;
81 HDC hSelf; /* Handle to this DC */
82 struct gdi_physdev nulldrv; /* physdev for the null driver */
83 PHYSDEV physDev; /* current top of the physdev stack */
84 DWORD thread; /* thread owning the DC */
85 LONG refcount; /* thread refcount */
86 LONG dirty; /* dirty flag */
87 INT saveLevel;
88 struct tagDC *saved_dc;
89 DWORD_PTR dwHookData;
90 DCHOOKPROC hookProc; /* DC hook */
91
92 BOOL bounds_enabled:1; /* bounds tracking is enabled */
93 BOOL path_open:1; /* path is currently open (only for saved DCs) */
94
95 INT wndOrgX; /* Window origin */
96 INT wndOrgY;
97 INT wndExtX; /* Window extent */
98 INT wndExtY;
99 INT vportOrgX; /* Viewport origin */
100 INT vportOrgY;
101 INT vportExtX; /* Viewport extent */
102 INT vportExtY;
103 SIZE virtual_res; /* Initially HORZRES,VERTRES. Changed by SetVirtualResolution */
104 SIZE virtual_size; /* Initially HORZSIZE,VERTSIZE. Changed by SetVirtualResolution */
105 RECT vis_rect; /* visible rectangle in screen coords */
106 RECT device_rect; /* rectangle for the whole device */
107 int pixel_format; /* pixel format (for memory DCs) */
108 FLOAT miterLimit;
109
110 int flags;
111 DWORD layout;
112 HRGN hClipRgn; /* Clip region */
113 HRGN hMetaRgn; /* Meta region */
114 HRGN hVisRgn; /* Visible region */
115 HRGN region; /* Total DC region (intersection of clip and visible) */
116 HPEN hPen;
117 HBRUSH hBrush;
118 HFONT hFont;
119 HBITMAP hBitmap;
120 HANDLE hDevice;
121 HPALETTE hPalette;
122
123 GdiFont *gdiFont;
124 struct gdi_path *path;
125
126 UINT font_code_page;
127 WORD ROPmode;
128 WORD polyFillMode;
129 WORD stretchBltMode;
130 WORD relAbsMode;
131 WORD backgroundMode;
132 COLORREF backgroundColor;
133 COLORREF textColor;
134 COLORREF dcBrushColor;
135 COLORREF dcPenColor;
136 short brushOrgX;
137 short brushOrgY;
138
139 DWORD mapperFlags; /* Font mapper flags */
140 WORD textAlign; /* Text alignment from SetTextAlign() */
141 INT charExtra; /* Spacing from SetTextCharacterExtra() */
142 INT breakExtra; /* breakTotalExtra / breakCount */
143 INT breakRem; /* breakTotalExtra % breakCount */
144 INT MapMode;
145 INT GraphicsMode; /* Graphics mode */
146 ABORTPROC pAbortProc; /* AbortProc for Printing */
147 INT CursPosX; /* Current position */
148 INT CursPosY;
149 INT ArcDirection;
150 XFORM xformWorld2Wnd; /* World-to-window transformation */
151 XFORM xformWorld2Vport; /* World-to-viewport transformation */
152 XFORM xformVport2World; /* Inverse of the above transformation */
153 BOOL vport2WorldValid; /* Is xformVport2World valid? */
154 RECT bounds; /* Current bounding rect */
155 } DC;
156
157 /* Certain functions will do no further processing if the driver returns this.
158 Used by mfdrv for example. */
159 #define GDI_NO_MORE_WORK 2
160
161 /* Rounds a floating point number to integer. The world-to-viewport
162 * transformation process is done in floating point internally. This function
163 * is then used to round these coordinates to integer values.
164 */
165 static inline INT GDI_ROUND(double val)
166 {
167 return (int)floor(val + 0.5);
168 }
169
170 #define GET_DC_PHYSDEV(dc,func) \
171 get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func))
172
173 static inline PHYSDEV pop_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
174 {
175 PHYSDEV dev, *pdev = &dc->physDev;
176 while (*pdev && (*pdev)->funcs != funcs) pdev = &(*pdev)->next;
177 if (!*pdev) return NULL;
178 dev = *pdev;
179 *pdev = dev->next;
180 return dev;
181 }
182
183 static inline PHYSDEV find_dc_driver( DC *dc, const struct gdi_dc_funcs *funcs )
184 {
185 PHYSDEV dev;
186
187 for (dev = dc->physDev; dev; dev = dev->next) if (dev->funcs == funcs) return dev;
188 return NULL;
189 }
190
191 /* bitmap object */
192
193 typedef struct tagBITMAPOBJ
194 {
195 GDIOBJHDR header;
196 DIBSECTION dib;
197 SIZE size; /* For SetBitmapDimension() */
198 RGBQUAD *color_table; /* DIB color table if <= 8bpp (always 1 << bpp in size) */
199 } BITMAPOBJ;
200
201 static inline BOOL is_bitmapobj_dib( const BITMAPOBJ *bmp )
202 {
203 return bmp->dib.dsBmih.biSize != 0;
204 }
205
206 /* bidi.c */
207
208 /* Wine_GCPW Flags */
209 /* Directionality -
210 * LOOSE means taking the directionality of the first strong character, if there is found one.
211 * FORCE means the paragraph direction is forced. (RLE/LRE)
212 */
213 #define WINE_GCPW_FORCE_LTR 0
214 #define WINE_GCPW_FORCE_RTL 1
215 #define WINE_GCPW_LOOSE_LTR 2
216 #define WINE_GCPW_LOOSE_RTL 3
217 #define WINE_GCPW_DIR_MASK 3
218 #define WINE_GCPW_LOOSE_MASK 2
219
220 extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
221 LPWSTR lpOutString, INT uCountOut, UINT *lpOrder, WORD **lpGlyphs, INT* cGlyphs ) DECLSPEC_HIDDEN;
222
223 /* bitblt.c */
224 extern DWORD convert_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
225 BITMAPINFO *dst_info, struct gdi_image_bits *bits, BOOL add_alpha ) DECLSPEC_HIDDEN;
226 extern BOOL intersect_vis_rectangles( struct bitblt_coords *dst, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
227 extern DWORD stretch_bits( const BITMAPINFO *src_info, struct bitblt_coords *src,
228 BITMAPINFO *dst_info, struct bitblt_coords *dst,
229 struct gdi_image_bits *bits, int mode ) DECLSPEC_HIDDEN;
230
231 /* brush.c */
232 extern BOOL store_brush_pattern( LOGBRUSH *brush, struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
233 extern void free_brush_pattern( struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
234 extern BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage ) DECLSPEC_HIDDEN;
235
236 /* clipping.c */
237 extern BOOL clip_device_rect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
238 extern BOOL clip_visrect( DC *dc, RECT *dst, const RECT *src ) DECLSPEC_HIDDEN;
239 extern void update_dc_clipping( DC * dc ) DECLSPEC_HIDDEN;
240
241 /* Return the total DC region (if any) */
242 static inline HRGN get_dc_region( DC *dc )
243 {
244 if (dc->region) return dc->region;
245 if (dc->hVisRgn) return dc->hVisRgn;
246 if (dc->hClipRgn) return dc->hClipRgn;
247 return dc->hMetaRgn;
248 }
249
250 /* dc.c */
251 extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
252 extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
253 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
254 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
255 extern void update_dc( DC *dc ) DECLSPEC_HIDDEN;
256 extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
257 extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
258
259 /* dib.c */
260 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
261 extern BOOL fill_color_table_from_pal_colors( BITMAPINFO *info, HDC hdc ) DECLSPEC_HIDDEN;
262 extern const RGBQUAD *get_default_color_table( int bpp ) DECLSPEC_HIDDEN;
263 extern void fill_default_color_table( BITMAPINFO *info ) DECLSPEC_HIDDEN;
264 extern void get_ddb_bitmapinfo( BITMAPOBJ *bmp, BITMAPINFO *info ) DECLSPEC_HIDDEN;
265 extern BITMAPINFO *copy_packed_dib( const BITMAPINFO *src_info, UINT usage ) DECLSPEC_HIDDEN;
266 extern DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
267 const BITMAPINFO *dst_info, void *dst_bits, BOOL add_alpha ) DECLSPEC_HIDDEN;
268
269 extern DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
270 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
271 INT mode ) DECLSPEC_HIDDEN;
272 extern DWORD blend_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
273 const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst,
274 BLENDFUNCTION blend ) DECLSPEC_HIDDEN;
275 extern DWORD gradient_bitmapinfo( const BITMAPINFO *info, void *bits, TRIVERTEX *vert_array, ULONG nvert,
276 void *grad_array, ULONG ngrad, ULONG mode, const POINT *dev_pts, HRGN rgn ) DECLSPEC_HIDDEN;
277 extern COLORREF get_pixel_bitmapinfo( const BITMAPINFO *info, void *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
278 extern BOOL render_aa_text_bitmapinfo( HDC hdc, BITMAPINFO *info, struct gdi_image_bits *bits,
279 struct bitblt_coords *src, INT x, INT y, UINT flags,
280 UINT aa_flags, LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
281 extern DWORD get_image_from_bitmap( BITMAPOBJ *bmp, BITMAPINFO *info,
282 struct gdi_image_bits *bits, struct bitblt_coords *src ) DECLSPEC_HIDDEN;
283 extern DWORD put_image_into_bitmap( BITMAPOBJ *bmp, HRGN clip, BITMAPINFO *info,
284 const struct gdi_image_bits *bits, struct bitblt_coords *src,
285 struct bitblt_coords *dst ) DECLSPEC_HIDDEN;
286 extern void dibdrv_set_window_surface( DC *dc, struct window_surface *surface ) DECLSPEC_HIDDEN;
287
288 /* driver.c */
289 extern const struct gdi_dc_funcs null_driver DECLSPEC_HIDDEN;
290 extern const struct gdi_dc_funcs dib_driver DECLSPEC_HIDDEN;
291 extern const struct gdi_dc_funcs path_driver DECLSPEC_HIDDEN;
292 extern const struct gdi_dc_funcs *font_driver DECLSPEC_HIDDEN;
293 extern const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
294 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
295
296 /* enhmetafile.c */
297 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
298
299 /* font.c */
300 extern UINT get_font_aa_flags( HDC hdc ) DECLSPEC_HIDDEN;
301
302 /* freetype.c */
303
304 /* Undocumented structure filled in by GdiRealizationInfo */
305 typedef struct
306 {
307 DWORD flags; /* 1 for bitmap fonts, 3 for scalable fonts */
308 DWORD cache_num; /* keeps incrementing - num of fonts that have been created allowing for caching?? */
309 DWORD unknown2; /* fixed for a given font - looks like it could be the order of the face in the font list or the order
310 in which the face was first rendered. */
311 } realization_info_t;
312
313
314 extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
315 extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
316 extern BOOL WineEngCreateScalableFontResource(DWORD, LPCWSTR, LPCWSTR, LPCWSTR) DECLSPEC_HIDDEN;
317 extern BOOL WineEngDestroyFontInstance(HFONT handle) DECLSPEC_HIDDEN;
318 extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph) DECLSPEC_HIDDEN;
319 extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
320 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
321
322 /* gdiobj.c */
323 extern HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
324 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
325 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
326 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
327 extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
328 extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
329 extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
330 extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
331 extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
332
333 /* metafile.c */
334 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
335 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
336
337 /* path.c */
338
339 extern void free_gdi_path( struct gdi_path *path ) DECLSPEC_HIDDEN;
340 extern BOOL PATH_SavePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
341 extern BOOL PATH_RestorePath( DC *dst, DC *src ) DECLSPEC_HIDDEN;
342
343 /* painting.c */
344 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut ) DECLSPEC_HIDDEN;
345
346 /* palette.c */
347 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
348 extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
349 extern HPALETTE PALETTE_Init(void) DECLSPEC_HIDDEN;
350
351 /* region.c */
352 extern BOOL add_rect_to_region( HRGN rgn, const RECT *rect ) DECLSPEC_HIDDEN;
353 extern INT mirror_region( HRGN dst, HRGN src, INT width ) DECLSPEC_HIDDEN;
354 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN;
355
356 typedef struct
357 {
358 INT size;
359 INT numRects;
360 RECT *rects;
361 RECT extents;
362 } WINEREGION;
363 extern const WINEREGION *get_wine_region(HRGN rgn) DECLSPEC_HIDDEN;
364 static inline void release_wine_region(HRGN rgn)
365 {
366 GDI_ReleaseObj(rgn);
367 }
368
369 /* null driver entry points */
370 extern BOOL nulldrv_AbortPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
371 extern BOOL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
372 PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION func) DECLSPEC_HIDDEN;
373 extern BOOL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
374 extern BOOL nulldrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN;
375 extern BOOL nulldrv_BeginPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
376 extern DWORD nulldrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
377 struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION func ) DECLSPEC_HIDDEN;
378 extern BOOL nulldrv_CloseFigure( PHYSDEV dev ) DECLSPEC_HIDDEN;
379 extern BOOL nulldrv_EndPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
380 extern INT nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
381 extern INT nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
382 extern BOOL nulldrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *rect,
383 LPCWSTR str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
384 extern BOOL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
385 extern BOOL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
386 extern BOOL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
387 extern BOOL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
388 extern LONG nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
389 extern COLORREF nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
390 extern COLORREF nulldrv_GetPixel( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
391 extern BOOL nulldrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
392 void * grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN;
393 extern INT nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
394 extern BOOL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
395 extern BOOL nulldrv_ModifyWorldTransform( PHYSDEV dev, const XFORM *xform, DWORD mode ) DECLSPEC_HIDDEN;
396 extern INT nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
397 extern BOOL nulldrv_OffsetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
398 extern BOOL nulldrv_OffsetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
399 extern BOOL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
400 extern BOOL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
401 extern BOOL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
402 extern BOOL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
403 extern BOOL nulldrv_RestoreDC( PHYSDEV dev, INT level ) DECLSPEC_HIDDEN;
404 extern INT nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
405 extern BOOL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
406 extern BOOL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
407 extern BOOL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
408 extern INT nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
409 INT x_src, INT y_src, UINT start, UINT lines,
410 const void *bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
411 extern INT nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
412 extern BOOL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
413 extern BOOL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
414 extern BOOL nulldrv_SetWindowExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
415 extern BOOL nulldrv_SetWindowOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;
416 extern BOOL nulldrv_SetWorldTransform( PHYSDEV dev, const XFORM *xform ) DECLSPEC_HIDDEN;
417 extern BOOL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
418 PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) DECLSPEC_HIDDEN;
419 extern INT nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
420 INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
421 BITMAPINFO *info, UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
422 extern BOOL nulldrv_StrokeAndFillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
423 extern BOOL nulldrv_StrokePath( PHYSDEV dev ) DECLSPEC_HIDDEN;
424 extern BOOL nulldrv_WidenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
425
426 static inline DC *get_nulldrv_dc( PHYSDEV dev )
427 {
428 return CONTAINING_RECORD( dev, DC, nulldrv );
429 }
430
431 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
432 #define DIB_PAL_MONO 2
433
434 BOOL WINAPI FontIsLinked(HDC);
435
436 BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
437
438 static inline BOOL is_rect_empty( const RECT *rect )
439 {
440 return (rect->left >= rect->right || rect->top >= rect->bottom);
441 }
442
443 static inline BOOL intersect_rect( RECT *dst, const RECT *src1, const RECT *src2 )
444 {
445 dst->left = max( src1->left, src2->left );
446 dst->top = max( src1->top, src2->top );
447 dst->right = min( src1->right, src2->right );
448 dst->bottom = min( src1->bottom, src2->bottom );
449 return !is_rect_empty( dst );
450 }
451
452 static inline void offset_rect( RECT *rect, int offset_x, int offset_y )
453 {
454 rect->left += offset_x;
455 rect->top += offset_y;
456 rect->right += offset_x;
457 rect->bottom += offset_y;
458 }
459
460 static inline void get_bounding_rect( RECT *rect, int x, int y, int width, int height )
461 {
462 rect->left = x;
463 rect->right = x + width;
464 rect->top = y;
465 rect->bottom = y + height;
466 if (rect->left > rect->right)
467 {
468 int tmp = rect->left;
469 rect->left = rect->right + 1;
470 rect->right = tmp + 1;
471 }
472 if (rect->top > rect->bottom)
473 {
474 int tmp = rect->top;
475 rect->top = rect->bottom + 1;
476 rect->bottom = tmp + 1;
477 }
478 }
479
480 static inline void reset_bounds( RECT *bounds )
481 {
482 bounds->left = bounds->top = INT_MAX;
483 bounds->right = bounds->bottom = INT_MIN;
484 }
485
486 static inline void add_bounds_rect( RECT *bounds, const RECT *rect )
487 {
488 if (is_rect_empty( rect )) return;
489 bounds->left = min( bounds->left, rect->left );
490 bounds->top = min( bounds->top, rect->top );
491 bounds->right = max( bounds->right, rect->right );
492 bounds->bottom = max( bounds->bottom, rect->bottom );
493 }
494
495 static inline int get_bitmap_stride( int width, int bpp )
496 {
497 return ((width * bpp + 15) >> 3) & ~1;
498 }
499
500 static inline int get_dib_stride( int width, int bpp )
501 {
502 return ((width * bpp + 31) >> 3) & ~3;
503 }
504
505 static inline int get_dib_image_size( const BITMAPINFO *info )
506 {
507 return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
508 * abs( info->bmiHeader.biHeight );
509 }
510
511 /* only for use on sanitized BITMAPINFO structures */
512 static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse )
513 {
514 if (info->bmiHeader.biCompression == BI_BITFIELDS)
515 return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
516 if (coloruse == DIB_PAL_COLORS)
517 return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
518 return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
519 }
520
521 /* only for use on sanitized BITMAPINFO structures */
522 static inline void copy_bitmapinfo( BITMAPINFO *dst, const BITMAPINFO *src )
523 {
524 memcpy( dst, src, get_dib_info_size( src, DIB_RGB_COLORS ));
525 }
526
527 extern void free_heap_bits( struct gdi_image_bits *bits ) DECLSPEC_HIDDEN;
528
529 extern HMODULE gdi32_module DECLSPEC_HIDDEN;
530
531 #endif /* __WINE_GDI_PRIVATE_H */
Windows API implementation