Use Interlocked* functions in AddRef and Release.
[wine.git] / dlls / gdi / gdi_private.h
blobba120f45f857bee800d54764274e87c273ae1178
1 /*
2 * GDI definitions
4 * Copyright 1993 Alexandre Julliard
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.
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.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #ifndef __WINE_GDI_PRIVATE_H
22 #define __WINE_GDI_PRIVATE_H
24 /* Metafile defines */
25 #define META_EOF 0x0000
26 /* values of mtType in METAHEADER. Note however that the disk image of a disk
27 based metafile has mtType == 1 */
28 #define METAFILE_MEMORY 1
29 #define METAFILE_DISK 2
31 struct gdi_obj_funcs
33 HGDIOBJ (*pSelectObject)( HGDIOBJ handle, void *obj, HDC hdc );
34 INT (*pGetObject16)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
35 INT (*pGetObjectA)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
36 INT (*pGetObjectW)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
37 BOOL (*pUnrealizeObject)( HGDIOBJ handle, void *obj );
38 BOOL (*pDeleteObject)( HGDIOBJ handle, void *obj );
41 struct hdc_list
43 HDC hdc;
44 struct hdc_list *next;
47 /* Device functions for the Wine driver interface */
49 typedef struct { int opaque; } *PHYSDEV; /* PHYSDEV is an opaque pointer */
51 typedef struct tagDC_FUNCS
53 INT (*pAbortDoc)(PHYSDEV);
54 BOOL (*pAbortPath)(PHYSDEV);
55 BOOL (*pAlphaBlend)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,BLENDFUNCTION);
56 BOOL (*pAngleArc)(PHYSDEV,INT,INT,DWORD,FLOAT,FLOAT);
57 BOOL (*pArc)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
58 BOOL (*pArcTo)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
59 BOOL (*pBeginPath)(PHYSDEV);
60 BOOL (*pBitBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,DWORD);
61 INT (*pChoosePixelFormat)(PHYSDEV,const PIXELFORMATDESCRIPTOR *);
62 BOOL (*pChord)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
63 BOOL (*pCloseFigure)(PHYSDEV);
64 BOOL (*pCreateBitmap)(PHYSDEV,HBITMAP);
65 BOOL (*pCreateDC)(HDC,PHYSDEV *,LPCWSTR,LPCWSTR,LPCWSTR,const DEVMODEW*);
66 HBITMAP (*pCreateDIBSection)(PHYSDEV,const BITMAPINFO *,UINT,VOID **,HANDLE,DWORD,DWORD);
67 BOOL (*pDeleteBitmap)(HBITMAP);
68 BOOL (*pDeleteDC)(PHYSDEV);
69 BOOL (*pDeleteObject)(PHYSDEV,HGDIOBJ);
70 INT (*pDescribePixelFormat)(PHYSDEV,INT,UINT,PIXELFORMATDESCRIPTOR *);
71 DWORD (*pDeviceCapabilities)(LPSTR,LPCSTR,LPCSTR,WORD,LPSTR,LPDEVMODEA);
72 BOOL (*pEllipse)(PHYSDEV,INT,INT,INT,INT);
73 INT (*pEndDoc)(PHYSDEV);
74 INT (*pEndPage)(PHYSDEV);
75 BOOL (*pEndPath)(PHYSDEV);
76 BOOL (*pEnumDeviceFonts)(PHYSDEV,LPLOGFONTW,FONTENUMPROCW,LPARAM);
77 INT (*pExcludeClipRect)(PHYSDEV,INT,INT,INT,INT);
78 INT (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
79 INT (*pExtEscape)(PHYSDEV,INT,INT,LPCVOID,INT,LPVOID);
80 BOOL (*pExtFloodFill)(PHYSDEV,INT,INT,COLORREF,UINT);
81 INT (*pExtSelectClipRgn)(PHYSDEV,HRGN,INT);
82 BOOL (*pExtTextOut)(PHYSDEV,INT,INT,UINT,const RECT*,LPCWSTR,UINT,const INT*,INT);
83 BOOL (*pFillPath)(PHYSDEV);
84 BOOL (*pFillRgn)(PHYSDEV,HRGN,HBRUSH);
85 BOOL (*pFlattenPath)(PHYSDEV);
86 BOOL (*pFrameRgn)(PHYSDEV,HRGN,HBRUSH,INT,INT);
87 BOOL (*pGdiComment)(PHYSDEV,UINT,CONST BYTE*);
88 LONG (*pGetBitmapBits)(HBITMAP,void*,LONG);
89 BOOL (*pGetCharWidth)(PHYSDEV,UINT,UINT,LPINT);
90 BOOL (*pGetDCOrgEx)(PHYSDEV,LPPOINT);
91 UINT (*pGetDIBColorTable)(PHYSDEV,UINT,UINT,RGBQUAD*);
92 INT (*pGetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPVOID,BITMAPINFO*,UINT);
93 INT (*pGetDeviceCaps)(PHYSDEV,INT);
94 BOOL (*pGetDeviceGammaRamp)(PHYSDEV,LPVOID);
95 COLORREF (*pGetNearestColor)(PHYSDEV,COLORREF);
96 COLORREF (*pGetPixel)(PHYSDEV,INT,INT);
97 INT (*pGetPixelFormat)(PHYSDEV);
98 UINT (*pGetSystemPaletteEntries)(PHYSDEV,UINT,UINT,LPPALETTEENTRY);
99 BOOL (*pGetTextExtentPoint)(PHYSDEV,LPCWSTR,INT,LPSIZE);
100 BOOL (*pGetTextMetrics)(PHYSDEV,TEXTMETRICW*);
101 INT (*pIntersectClipRect)(PHYSDEV,INT,INT,INT,INT);
102 BOOL (*pInvertRgn)(PHYSDEV,HRGN);
103 BOOL (*pLineTo)(PHYSDEV,INT,INT);
104 BOOL (*pModifyWorldTransform)(PHYSDEV,const XFORM*,INT);
105 BOOL (*pMoveTo)(PHYSDEV,INT,INT);
106 INT (*pOffsetClipRgn)(PHYSDEV,INT,INT);
107 INT (*pOffsetViewportOrg)(PHYSDEV,INT,INT);
108 INT (*pOffsetWindowOrg)(PHYSDEV,INT,INT);
109 BOOL (*pPaintRgn)(PHYSDEV,HRGN);
110 BOOL (*pPatBlt)(PHYSDEV,INT,INT,INT,INT,DWORD);
111 BOOL (*pPie)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
112 BOOL (*pPolyBezier)(PHYSDEV,const POINT*,DWORD);
113 BOOL (*pPolyBezierTo)(PHYSDEV,const POINT*,DWORD);
114 BOOL (*pPolyDraw)(PHYSDEV,const POINT*,const BYTE *,DWORD);
115 BOOL (*pPolyPolygon)(PHYSDEV,const POINT*,const INT*,UINT);
116 BOOL (*pPolyPolyline)(PHYSDEV,const POINT*,const DWORD*,DWORD);
117 BOOL (*pPolygon)(PHYSDEV,const POINT*,INT);
118 BOOL (*pPolyline)(PHYSDEV,const POINT*,INT);
119 BOOL (*pPolylineTo)(PHYSDEV,const POINT*,INT);
120 UINT (*pRealizeDefaultPalette)(PHYSDEV);
121 UINT (*pRealizePalette)(PHYSDEV,HPALETTE,BOOL);
122 BOOL (*pRectangle)(PHYSDEV,INT,INT,INT,INT);
123 HDC (*pResetDC)(PHYSDEV,const DEVMODEW*);
124 BOOL (*pRestoreDC)(PHYSDEV,INT);
125 BOOL (*pRoundRect)(PHYSDEV,INT,INT,INT,INT,INT,INT);
126 INT (*pSaveDC)(PHYSDEV);
127 INT (*pScaleViewportExt)(PHYSDEV,INT,INT,INT,INT);
128 INT (*pScaleWindowExt)(PHYSDEV,INT,INT,INT,INT);
129 HBITMAP (*pSelectBitmap)(PHYSDEV,HBITMAP);
130 HBRUSH (*pSelectBrush)(PHYSDEV,HBRUSH);
131 BOOL (*pSelectClipPath)(PHYSDEV,INT);
132 HFONT (*pSelectFont)(PHYSDEV,HFONT,HANDLE);
133 HPALETTE (*pSelectPalette)(PHYSDEV,HPALETTE,BOOL);
134 HPEN (*pSelectPen)(PHYSDEV,HPEN);
135 INT (*pSetArcDirection)(PHYSDEV,INT);
136 LONG (*pSetBitmapBits)(HBITMAP,const void*,LONG);
137 COLORREF (*pSetBkColor)(PHYSDEV,COLORREF);
138 INT (*pSetBkMode)(PHYSDEV,INT);
139 COLORREF (*pSetDCBrushColor)(PHYSDEV, COLORREF);
140 DWORD (*pSetDCOrg)(PHYSDEV,INT,INT);
141 COLORREF (*pSetDCPenColor)(PHYSDEV, COLORREF);
142 UINT (*pSetDIBColorTable)(PHYSDEV,UINT,UINT,const RGBQUAD*);
143 INT (*pSetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPCVOID,const BITMAPINFO*,UINT);
144 INT (*pSetDIBitsToDevice)(PHYSDEV,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT,LPCVOID,
145 const BITMAPINFO*,UINT);
146 VOID (*pSetDeviceClipping)(PHYSDEV,HRGN,HRGN);
147 BOOL (*pSetDeviceGammaRamp)(PHYSDEV,LPVOID);
148 INT (*pSetMapMode)(PHYSDEV,INT);
149 DWORD (*pSetMapperFlags)(PHYSDEV,DWORD);
150 COLORREF (*pSetPixel)(PHYSDEV,INT,INT,COLORREF);
151 BOOL (*pSetPixelFormat)(PHYSDEV,INT,const PIXELFORMATDESCRIPTOR *);
152 INT (*pSetPolyFillMode)(PHYSDEV,INT);
153 INT (*pSetROP2)(PHYSDEV,INT);
154 INT (*pSetRelAbs)(PHYSDEV,INT);
155 INT (*pSetStretchBltMode)(PHYSDEV,INT);
156 UINT (*pSetTextAlign)(PHYSDEV,UINT);
157 INT (*pSetTextCharacterExtra)(PHYSDEV,INT);
158 DWORD (*pSetTextColor)(PHYSDEV,DWORD);
159 INT (*pSetTextJustification)(PHYSDEV,INT,INT);
160 INT (*pSetViewportExt)(PHYSDEV,INT,INT);
161 INT (*pSetViewportOrg)(PHYSDEV,INT,INT);
162 INT (*pSetWindowExt)(PHYSDEV,INT,INT);
163 INT (*pSetWindowOrg)(PHYSDEV,INT,INT);
164 BOOL (*pSetWorldTransform)(PHYSDEV,const XFORM*);
165 INT (*pStartDoc)(PHYSDEV,const DOCINFOA*);
166 INT (*pStartPage)(PHYSDEV);
167 BOOL (*pStretchBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,DWORD);
168 INT (*pStretchDIBits)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT,const void *,
169 const BITMAPINFO*,UINT,DWORD);
170 BOOL (*pStrokeAndFillPath)(PHYSDEV);
171 BOOL (*pStrokePath)(PHYSDEV);
172 BOOL (*pSwapBuffers)(PHYSDEV);
173 BOOL (*pWidenPath)(PHYSDEV);
174 } DC_FUNCTIONS;
176 /* It should not be necessary to access the contents of the GdiPath
177 * structure directly; if you find that the exported functions don't
178 * allow you to do what you want, then please place a new exported
179 * function that does this job in path.c.
181 typedef enum tagGdiPathState
183 PATH_Null,
184 PATH_Open,
185 PATH_Closed
186 } GdiPathState;
188 typedef struct tagGdiPath
190 GdiPathState state;
191 POINT *pPoints;
192 BYTE *pFlags;
193 int numEntriesUsed, numEntriesAllocated;
194 BOOL newStroke;
195 } GdiPath;
197 typedef struct tagGdiFont *GdiFont;
199 typedef struct tagDC
201 GDIOBJHDR header;
202 HDC hSelf; /* Handle to this DC */
203 const struct tagDC_FUNCS *funcs; /* DC function table */
204 PHYSDEV physDev; /* Physical device (driver-specific) */
205 INT saveLevel;
206 DWORD dwHookData;
207 FARPROC16 hookProc; /* the original SEGPTR ... */
208 DCHOOKPROC hookThunk; /* ... and the thunk to call it */
210 INT wndOrgX; /* Window origin */
211 INT wndOrgY;
212 INT wndExtX; /* Window extent */
213 INT wndExtY;
214 INT vportOrgX; /* Viewport origin */
215 INT vportOrgY;
216 INT vportExtX; /* Viewport extent */
217 INT vportExtY;
219 int flags;
220 HRGN hClipRgn; /* Clip region (may be 0) */
221 HRGN hVisRgn; /* Visible region (must never be 0) */
222 HPEN hPen;
223 HBRUSH hBrush;
224 HFONT hFont;
225 HBITMAP hBitmap;
226 HANDLE hDevice;
227 HPALETTE hPalette;
229 GdiFont gdiFont;
230 GdiPath path;
232 WORD ROPmode;
233 WORD polyFillMode;
234 WORD stretchBltMode;
235 WORD relAbsMode;
236 WORD backgroundMode;
237 COLORREF backgroundColor;
238 COLORREF textColor;
239 COLORREF dcBrushColor;
240 COLORREF dcPenColor;
241 short brushOrgX;
242 short brushOrgY;
244 WORD textAlign; /* Text alignment from SetTextAlign() */
245 INT charExtra; /* Spacing from SetTextCharacterExtra() */
246 INT breakExtra; /* breakTotalExtra / breakCount */
247 INT breakRem; /* breakTotalExtra % breakCount */
248 INT MapMode;
249 INT GraphicsMode; /* Graphics mode */
250 ABORTPROC pAbortProc; /* AbortProc for Printing */
251 ABORTPROC16 pAbortProc16;
252 INT CursPosX; /* Current position */
253 INT CursPosY;
254 INT ArcDirection;
255 XFORM xformWorld2Wnd; /* World-to-window transformation */
256 XFORM xformWorld2Vport; /* World-to-viewport transformation */
257 XFORM xformVport2World; /* Inverse of the above transformation */
258 BOOL vport2WorldValid; /* Is xformVport2World valid? */
259 RECT BoundsRect; /* Current bounding rect */
260 } DC;
262 /* DC flags */
263 #define DC_SAVED 0x0002 /* It is a saved DC */
264 #define DC_DIRTY 0x0004 /* hVisRgn has to be updated */
265 #define DC_BOUNDS_ENABLE 0x0008 /* Bounding rectangle tracking is enabled */
266 #define DC_BOUNDS_SET 0x0010 /* Bounding rectangle has been set */
268 /* Certain functions will do no further processing if the driver returns this.
269 Used by mfdrv for example. */
270 #define GDI_NO_MORE_WORK 2
272 /* Rounds a floating point number to integer. The world-to-viewport
273 * transformation process is done in floating point internally. This function
274 * is then used to round these coordinates to integer values.
276 static inline INT GDI_ROUND(FLOAT val)
278 return (int)floor(val + 0.5);
281 /* bidi.c */
283 /* Wine_GCPW Flags */
284 /* Directionality -
285 * LOOSE means that the paragraph dir is only set if there is no strong character.
286 * FORCE means override the characters in the paragraph.
288 #define WINE_GCPW_FORCE_LTR 0
289 #define WINE_GCPW_FORCE_RTL 1
290 #define WINE_GCPW_LOOSE_LTR 2
291 #define WINE_GCPW_LOOSE_RTL 3
292 #define WINE_GCPW_DIR_MASK 3
293 extern BOOL BIDI_Reorder( LPCWSTR lpString, INT uCount, DWORD dwFlags, DWORD dwWineGCP_Flags,
294 LPWSTR lpOutString, INT uCountOut, UINT *lpOrder );
295 extern BOOL BidiAvail;
297 /* bitmap.c */
298 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap );
299 extern BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, DC *dc );
301 /* clipping.c */
302 extern void CLIPPING_UpdateGCRegion( DC * dc );
304 /* dc.c */
305 extern DC * DC_AllocDC( const DC_FUNCTIONS *funcs, WORD magic );
306 extern DC * DC_GetDCUpdate( HDC hdc );
307 extern DC * DC_GetDCPtr( HDC hdc );
308 extern void DC_InitDC( DC * dc );
309 extern void DC_UpdateXforms( DC * dc );
311 /* dib.c */
312 extern int DIB_GetDIBWidthBytes( int width, int depth );
313 extern int DIB_GetDIBImageBytes( int width, int height, int depth );
314 extern int DIB_BitmapInfoSize( const BITMAPINFO * info, WORD coloruse );
316 /* driver.c */
317 extern const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name );
318 extern const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs );
319 extern void DRIVER_release_driver( const DC_FUNCTIONS *funcs );
320 extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size );
322 /* enhmetafile.c */
323 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk );
325 /* freetype.c */
326 extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID);
327 extern GdiFont WineEngCreateFontInstance(DC*, HFONT);
328 extern BOOL WineEngDestroyFontInstance(HFONT handle);
329 extern DWORD WineEngEnumFonts(LPLOGFONTW, FONTENUMPROCW, LPARAM);
330 extern BOOL WineEngGetCharABCWidths(GdiFont font, UINT firstChar,
331 UINT lastChar, LPABC buffer);
332 extern BOOL WineEngGetCharWidth(GdiFont, UINT, UINT, LPINT);
333 extern DWORD WineEngGetFontData(GdiFont, DWORD, DWORD, LPVOID, DWORD);
334 extern DWORD WineEngGetGlyphIndices(GdiFont font, LPCWSTR lpstr, INT count,
335 LPWORD pgi, DWORD flags);
336 extern DWORD WineEngGetGlyphOutline(GdiFont, UINT glyph, UINT format,
337 LPGLYPHMETRICS, DWORD buflen, LPVOID buf,
338 const MAT2*);
339 extern UINT WineEngGetOutlineTextMetrics(GdiFont, UINT, LPOUTLINETEXTMETRICW);
340 extern UINT WineEngGetTextCharsetInfo(GdiFont font, LPFONTSIGNATURE fs, DWORD flags);
341 extern BOOL WineEngGetTextExtentPoint(GdiFont, LPCWSTR, INT, LPSIZE);
342 extern BOOL WineEngGetTextExtentPointI(GdiFont, const WORD *, INT, LPSIZE);
343 extern INT WineEngGetTextFace(GdiFont, INT, LPWSTR);
344 extern BOOL WineEngGetTextMetrics(GdiFont, LPTEXTMETRICW);
345 extern BOOL WineEngInit(void);
346 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID);
348 /* gdiobj.c */
349 extern BOOL GDI_Init(void);
350 extern void *GDI_AllocObject( WORD, WORD, HGDIOBJ *, const struct gdi_obj_funcs *funcs );
351 extern void *GDI_ReallocObject( WORD, HGDIOBJ, void *obj );
352 extern BOOL GDI_FreeObject( HGDIOBJ, void *obj );
353 extern void GDI_CheckNotLock(void);
354 extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc);
355 extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc);
357 /* metafile.c */
358 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh);
359 extern HMETAFILE16 MF_Create_HMETAFILE16(METAHEADER *mh);
360 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode );
362 /* path.c */
364 #define PATH_IsPathOpen(path) ((path).state==PATH_Open)
365 /* Returns TRUE if the specified path is in the open state, i.e. in the
366 * state where points will be added to the path, or FALSE otherwise. This
367 * function is implemented as a macro for performance reasons.
370 extern void PATH_InitGdiPath(GdiPath *pPath);
371 extern void PATH_DestroyGdiPath(GdiPath *pPath);
372 extern BOOL PATH_AssignGdiPath(GdiPath *pPathDest, const GdiPath *pPathSrc);
374 extern BOOL PATH_MoveTo(DC *dc);
375 extern BOOL PATH_LineTo(DC *dc, INT x, INT y);
376 extern BOOL PATH_Rectangle(DC *dc, INT x1, INT y1, INT x2, INT y2);
377 extern BOOL PATH_Ellipse(DC *dc, INT x1, INT y1, INT x2, INT y2);
378 extern BOOL PATH_Arc(DC *dc, INT x1, INT y1, INT x2, INT y2,
379 INT xStart, INT yStart, INT xEnd, INT yEnd, INT lines);
380 extern BOOL PATH_PolyBezierTo(DC *dc, const POINT *pt, DWORD cbCount);
381 extern BOOL PATH_PolyBezier(DC *dc, const POINT *pt, DWORD cbCount);
382 extern BOOL PATH_PolylineTo(DC *dc, const POINT *pt, DWORD cbCount);
383 extern BOOL PATH_Polyline(DC *dc, const POINT *pt, DWORD cbCount);
384 extern BOOL PATH_Polygon(DC *dc, const POINT *pt, DWORD cbCount);
385 extern BOOL PATH_PolyPolyline(DC *dc, const POINT *pt, const DWORD *counts, DWORD polylines);
386 extern BOOL PATH_PolyPolygon(DC *dc, const POINT *pt, const INT *counts, UINT polygons);
387 extern BOOL PATH_RoundRect(DC *dc, INT x1, INT y1, INT x2, INT y2, INT ell_width, INT ell_height);
388 extern BOOL PATH_AddEntry(GdiPath *pPath, const POINT *pPoint, BYTE flags);
390 /* painting.c */
391 extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut );
393 /* palette.c */
394 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg);
395 extern UINT WINAPI GDIRealizePalette( HDC hdc );
396 extern HPALETTE PALETTE_Init(void);
398 /* region.c */
399 extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y );
401 #endif /* __WINE_GDI_PRIVATE_H */