source: trunk/src/oleaut32/olefont.cpp@ 4803

Last change on this file since 4803 was 1766, checked in by davidr, 26 years ago

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1/* $Id: olefont.cpp,v 1.3 1999-11-18 00:27:36 davidr Exp $ */
2/*
3 * OLE Font encapsulation implementation
4 *
5 * This file contains an implementation of the IFont
6 * interface and the OleCreateFontIndirect API call.
7 *
8 * Copyright 1999 Francis Beaudet
9 * Copyright 1999 Sander van Leeuwen (WINE OS/2 Port 990815)
10 *
11 * Project Odin Software License can be found in LICENSE.TXT
12 *
13 */
14#include "oleaut32.h"
15#include <assert.h>
16#include <string.h>
17#include "winerror.h"
18#include "oleauto.h"
19#include "ocidl.h"
20#include "olectl.h"
21#include "debugtools.h"
22#include "heap.h"
23
24DEFAULT_DEBUG_CHANNEL(ole)
25
26/***********************************************************************
27 * Declaration of constants used when serializing the font object.
28 */
29#define FONTPERSIST_ITALIC 0x02
30#define FONTPERSIST_UNDERLINE 0x04
31#define FONTPERSIST_STRIKETHROUGH 0x08
32
33/***********************************************************************
34 * Declaration of the implementation class for the IFont interface
35 */
36typedef struct OLEFontImpl OLEFontImpl;
37
38struct OLEFontImpl
39{
40 /*
41 * This class supports many interfaces. IUnknown, IFont,
42 * IDispatch, IDispFont and IPersistStream. The first two are
43 * supported by the first vtablem the next two are supported by
44 * the second table and the last one has it's own.
45 */
46 ICOM_VTABLE(IFont)* lpvtbl1;
47 ICOM_VTABLE(IDispatch)* lpvtbl2;
48 ICOM_VTABLE(IPersistStream)* lpvtbl3;
49
50 /*
51 * Reference count for that instance of the class.
52 */
53 ULONG ref;
54
55 /*
56 * This structure contains the description of the class.
57 */
58 FONTDESC description;
59
60 /*
61 * Contain the font associated with this object.
62 */
63 HFONT gdiFont;
64
65 /*
66 * Font lock count.
67 */
68 DWORD fontLock;
69
70 /*
71 * Size ratio
72 */
73 long cyLogical;
74 long cyHimetric;
75};
76
77/*
78 * Here, I define utility macros to help with the casting of the
79 * "thisptr" parameter.
80 * There is a version to accomodate all of the VTables implemented
81 * by this object.
82 */
83#define _ICOM_THIS(class,name) class* thisptr = (class*)name;
84#define _ICOM_THIS_From_IDispatch(class, name) class* thisptr = (class*)(((char*)name)-sizeof(void*));
85#define _ICOM_THIS_From_IPersistStream(class, name) class* thisptr = (class*)(((char*)name)-2*sizeof(void*));
86
87/***********************************************************************
88 * Prototypes for the implementation functions for the IFont
89 * interface
90 */
91static OLEFontImpl* OLEFontImpl_Construct(LPFONTDESC fontDesc);
92static void OLEFontImpl_Destroy(OLEFontImpl* fontDesc);
93static HRESULT WINAPI OLEFontImpl_QueryInterface(IFont* iface, REFIID riid, VOID** ppvoid);
94static ULONG WINAPI OLEFontImpl_AddRef(IFont* iface);
95static ULONG WINAPI OLEFontImpl_Release(IFont* iface);
96static HRESULT WINAPI OLEFontImpl_get_Name(IFont* iface, BSTR* pname);
97static HRESULT WINAPI OLEFontImpl_put_Name(IFont* iface, BSTR name);
98static HRESULT WINAPI OLEFontImpl_get_Size(IFont* iface, CY* psize);
99static HRESULT WINAPI OLEFontImpl_put_Size(IFont* iface, CY size);
100static HRESULT WINAPI OLEFontImpl_get_Bold(IFont* iface, BOOL* pbold);
101static HRESULT WINAPI OLEFontImpl_put_Bold(IFont* iface, BOOL bold);
102static HRESULT WINAPI OLEFontImpl_get_Italic(IFont* iface, BOOL* pitalic);
103static HRESULT WINAPI OLEFontImpl_put_Italic(IFont* iface, BOOL italic);
104static HRESULT WINAPI OLEFontImpl_get_Underline(IFont* iface, BOOL* punderline);
105static HRESULT WINAPI OLEFontImpl_put_Underline(IFont* iface, BOOL underline);
106static HRESULT WINAPI OLEFontImpl_get_Strikethrough(IFont* iface, BOOL* pstrikethrough);
107static HRESULT WINAPI OLEFontImpl_put_Strikethrough(IFont* iface, BOOL strikethrough);
108static HRESULT WINAPI OLEFontImpl_get_Weight(IFont* iface, short* pweight);
109static HRESULT WINAPI OLEFontImpl_put_Weight(IFont* iface, short weight);
110static HRESULT WINAPI OLEFontImpl_get_Charset(IFont* iface, short* pcharset);
111static HRESULT WINAPI OLEFontImpl_put_Charset(IFont* iface, short charset);
112static HRESULT WINAPI OLEFontImpl_get_hFont(IFont* iface, HFONT* phfont);
113static HRESULT WINAPI OLEFontImpl_Clone(IFont* iface, IFont** ppfont);
114static HRESULT WINAPI OLEFontImpl_IsEqual(IFont* iface, IFont* pFontOther);
115static HRESULT WINAPI OLEFontImpl_SetRatio(IFont* iface, long cyLogical, long cyHimetric);
116static HRESULT WINAPI OLEFontImpl_QueryTextMetrics(IFont* iface, TEXTMETRICOLE* ptm);
117static HRESULT WINAPI OLEFontImpl_AddRefHfont(IFont* iface, HFONT hfont);
118static HRESULT WINAPI OLEFontImpl_ReleaseHfont(IFont* iface, HFONT hfont);
119static HRESULT WINAPI OLEFontImpl_SetHdc(IFont* iface, HDC hdc);
120
121/***********************************************************************
122 * Prototypes for the implementation functions for the IDispatch
123 * interface
124 */
125static HRESULT WINAPI OLEFontImpl_IDispatch_QueryInterface(IDispatch* iface,
126 REFIID riid,
127 VOID** ppvoid);
128static ULONG WINAPI OLEFontImpl_IDispatch_AddRef(IDispatch* iface);
129static ULONG WINAPI OLEFontImpl_IDispatch_Release(IDispatch* iface);
130static HRESULT WINAPI OLEFontImpl_GetTypeInfoCount(IDispatch* iface,
131 unsigned int* pctinfo);
132static HRESULT WINAPI OLEFontImpl_GetTypeInfo(IDispatch* iface,
133 UINT iTInfo,
134 LCID lcid,
135 ITypeInfo** ppTInfo);
136static HRESULT WINAPI OLEFontImpl_GetIDsOfNames(IDispatch* iface,
137 REFIID riid,
138 LPOLESTR* rgszNames,
139 UINT cNames,
140 LCID lcid,
141 DISPID* rgDispId);
142static HRESULT WINAPI OLEFontImpl_Invoke(IDispatch* iface,
143 DISPID dispIdMember,
144 REFIID riid,
145 LCID lcid,
146 WORD wFlags,
147 DISPPARAMS* pDispParams,
148 VARIANT* pVarResult,
149 EXCEPINFO* pExepInfo,
150 UINT* puArgErr);
151
152/***********************************************************************
153 * Prototypes for the implementation functions for the IPersistStream
154 * interface
155 */
156static HRESULT WINAPI OLEFontImpl_IPersistStream_QueryInterface(IPersistStream* iface,
157 REFIID riid,
158 VOID** ppvoid);
159static ULONG WINAPI OLEFontImpl_IPersistStream_AddRef(IPersistStream* iface);
160static ULONG WINAPI OLEFontImpl_IPersistStream_Release(IPersistStream* iface);
161static HRESULT WINAPI OLEFontImpl_GetClassID(IPersistStream* iface,
162 CLSID* pClassID);
163static HRESULT WINAPI OLEFontImpl_IsDirty(IPersistStream* iface);
164static HRESULT WINAPI OLEFontImpl_Load(IPersistStream* iface,
165 IStream* pLoadStream);
166static HRESULT WINAPI OLEFontImpl_Save(IPersistStream* iface,
167 IStream* pOutStream,
168 BOOL fClearDirty);
169static HRESULT WINAPI OLEFontImpl_GetSizeMax(IPersistStream* iface,
170 ULARGE_INTEGER* pcbSize);
171
172/*
173 * Virtual function tables for the OLEFontImpl class.
174 */
175static ICOM_VTABLE(IFont) OLEFontImpl_VTable =
176{
177 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
178 OLEFontImpl_QueryInterface,
179 OLEFontImpl_AddRef,
180 OLEFontImpl_Release,
181 OLEFontImpl_get_Name,
182 OLEFontImpl_put_Name,
183 OLEFontImpl_get_Size,
184 OLEFontImpl_put_Size,
185 OLEFontImpl_get_Bold,
186 OLEFontImpl_put_Bold,
187 OLEFontImpl_get_Italic,
188 OLEFontImpl_put_Italic,
189 OLEFontImpl_get_Underline,
190 OLEFontImpl_put_Underline,
191 OLEFontImpl_get_Strikethrough,
192 OLEFontImpl_put_Strikethrough,
193 OLEFontImpl_get_Weight,
194 OLEFontImpl_put_Weight,
195 OLEFontImpl_get_Charset,
196 OLEFontImpl_put_Charset,
197 OLEFontImpl_get_hFont,
198 OLEFontImpl_Clone,
199 OLEFontImpl_IsEqual,
200 OLEFontImpl_SetRatio,
201 OLEFontImpl_QueryTextMetrics,
202 OLEFontImpl_AddRefHfont,
203 OLEFontImpl_ReleaseHfont,
204 OLEFontImpl_SetHdc
205};
206
207static ICOM_VTABLE(IDispatch) OLEFontImpl_IDispatch_VTable =
208{
209 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
210 OLEFontImpl_IDispatch_QueryInterface,
211 OLEFontImpl_IDispatch_AddRef,
212 OLEFontImpl_IDispatch_Release,
213 OLEFontImpl_GetTypeInfoCount,
214 OLEFontImpl_GetTypeInfo,
215 OLEFontImpl_GetIDsOfNames,
216 OLEFontImpl_Invoke
217};
218
219static ICOM_VTABLE(IPersistStream) OLEFontImpl_IPersistStream_VTable =
220{
221 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
222 OLEFontImpl_IPersistStream_QueryInterface,
223 OLEFontImpl_IPersistStream_AddRef,
224 OLEFontImpl_IPersistStream_Release,
225 OLEFontImpl_GetClassID,
226 OLEFontImpl_IsDirty,
227 OLEFontImpl_Load,
228 OLEFontImpl_Save,
229 OLEFontImpl_GetSizeMax
230};
231
232/******************************************************************************
233 * OleCreateFontIndirect [OLEAUT32.420]
234 */
235INT WINAPI OleCreateFontIndirect(
236 LPFONTDESC lpFontDesc,
237 REFIID riid,
238 VOID** ppvObj)
239{
240 OLEFontImpl* newFont = 0;
241 HRESULT hr = S_OK;
242
243 /*
244 * Sanity check
245 */
246 if (ppvObj==0)
247 return E_POINTER;
248
249 *ppvObj = 0;
250
251 /*
252 * Try to construct a new instance of the class.
253 */
254 newFont = OLEFontImpl_Construct(lpFontDesc);
255
256 if (newFont == 0)
257 return E_OUTOFMEMORY;
258
259 /*
260 * Make sure it supports the interface required by the caller.
261 */
262 hr = IFont_QueryInterface((IFont*)newFont, riid, ppvObj);
263
264 /*
265 * Release the reference obtained in the constructor. If
266 * the QueryInterface was unsuccessful, it will free the class.
267 */
268 IFont_Release((IFont*)newFont);
269
270 return hr;
271}
272
273
274/***********************************************************************
275 * Implementation of the OLEFontImpl class.
276 */
277
278/************************************************************************
279 * OLEFontImpl_Construct
280 *
281 * This method will construct a new instance of the OLEFontImpl
282 * class.
283 *
284 * The caller of this method must release the object when it's
285 * done with it.
286 */
287static OLEFontImpl* OLEFontImpl_Construct(LPFONTDESC fontDesc)
288{
289 OLEFontImpl* newObject = 0;
290
291 /*
292 * Allocate space for the object.
293 */
294 newObject = (OLEFontImpl*)HeapAlloc(GetProcessHeap(), 0, sizeof(OLEFontImpl));
295
296 if (newObject==0)
297 return newObject;
298
299 /*
300 * Initialize the virtual function table.
301 */
302 newObject->lpvtbl1 = &OLEFontImpl_VTable;
303 newObject->lpvtbl2 = &OLEFontImpl_IDispatch_VTable;
304 newObject->lpvtbl3 = &OLEFontImpl_IPersistStream_VTable;
305
306 /*
307 * Start with one reference count. The caller of this function
308 * must release the interface pointer when it is done.
309 */
310 newObject->ref = 1;
311
312 /*
313 * Copy the description of the font in the object.
314 */
315 assert(fontDesc->cbSizeofstruct >= sizeof(FONTDESC));
316
317 newObject->description.cbSizeofstruct = sizeof(FONTDESC);
318 newObject->description.lpstrName = (LPWSTR)HeapAlloc(GetProcessHeap(),
319 0,
320 (lstrlenW(fontDesc->lpstrName)+1) * sizeof(WCHAR));
321 lstrcpyW(newObject->description.lpstrName, fontDesc->lpstrName);
322 newObject->description.cySize = fontDesc->cySize;
323 newObject->description.sWeight = fontDesc->sWeight;
324 newObject->description.sCharset = fontDesc->sCharset;
325 newObject->description.fItalic = fontDesc->fItalic;
326 newObject->description.fUnderline = fontDesc->fUnderline;
327 newObject->description.fStrikethrough = fontDesc->fStrikethrough;
328
329 /*
330 * Initializing all the other members.
331 */
332 newObject->gdiFont = 0;
333 newObject->fontLock = 0;
334 newObject->cyHimetric = 1;
335 newObject->cyLogical = 1;
336
337 return newObject;
338}
339
340/************************************************************************
341 * OLEFontImpl_Construct
342 *
343 * This method is called by the Release method when the reference
344 * count goes doen to 0. it will free all resources used by
345 * this object.
346 */
347static void OLEFontImpl_Destroy(OLEFontImpl* fontDesc)
348{
349 if (fontDesc->description.lpstrName!=0)
350 HeapFree(GetProcessHeap(), 0, fontDesc->description.lpstrName);
351
352 if (fontDesc->gdiFont!=0)
353 DeleteObject(fontDesc->gdiFont);
354
355 HeapFree(GetProcessHeap(), 0, fontDesc);
356}
357
358/************************************************************************
359 * OLEFontImpl_QueryInterface (IUnknown)
360 *
361 * See Windows documentation for more details on IUnknown methods.
362 */
363HRESULT WINAPI OLEFontImpl_QueryInterface(
364 IFont* iface,
365 REFIID riid,
366 void** ppvObject)
367{
368 _ICOM_THIS(OLEFontImpl, iface);
369
370 /*
371 * Perform a sanity check on the parameters.
372 */
373 if ( (thisptr==0) || (ppvObject==0) )
374 return E_INVALIDARG;
375
376 /*
377 * Initialize the return parameter.
378 */
379 *ppvObject = 0;
380
381 /*
382 * Compare the riid with the interface IDs implemented by this object.
383 */
384 if (memcmp(&IID_IUnknown, riid, sizeof(IID_IUnknown)) == 0)
385 {
386 *ppvObject = (IFont*)thisptr;
387 }
388 else if (memcmp(&IID_IFont, riid, sizeof(IID_IFont)) == 0)
389 {
390 *ppvObject = (IFont*)thisptr;
391 }
392 else if (memcmp(&IID_IDispatch, riid, sizeof(IID_IDispatch)) == 0)
393 {
394 *ppvObject = (IDispatch*)&(thisptr->lpvtbl2);
395 }
396 else if (memcmp(&IID_IFontDisp, riid, sizeof(IID_IFontDisp)) == 0)
397 {
398 *ppvObject = (IDispatch*)&(thisptr->lpvtbl2);
399 }
400 else if (memcmp(&IID_IPersistStream, riid, sizeof(IID_IPersistStream)) == 0)
401 {
402 *ppvObject = (IPersistStream*)&(thisptr->lpvtbl3);
403 }
404
405 /*
406 * Check that we obtained an interface.
407 */
408 if ((*ppvObject)==0)
409 {
410 char clsid[50];
411
412 WINE_StringFromCLSID((LPCLSID)riid,clsid);
413
414 WARN(
415 "OLEAUT32: IFont->QueryInterface(%s) : unsupported interface requested!",
416 clsid);
417
418 return E_NOINTERFACE;
419 }
420
421 /*
422 * Query Interface always increases the reference count by one when it is
423 * successful
424 */
425 OLEFontImpl_AddRef((IFont*)thisptr);
426
427 return S_OK;;
428}
429
430/************************************************************************
431 * OLEFontImpl_AddRef (IUnknown)
432 *
433 * See Windows documentation for more details on IUnknown methods.
434 */
435ULONG WINAPI OLEFontImpl_AddRef(
436 IFont* iface)
437{
438 _ICOM_THIS(OLEFontImpl, iface);
439
440 thisptr->ref++;
441
442 return thisptr->ref;
443}
444
445/************************************************************************
446 * OLEFontImpl_Release (IUnknown)
447 *
448 * See Windows documentation for more details on IUnknown methods.
449 */
450ULONG WINAPI OLEFontImpl_Release(
451 IFont* iface)
452{
453 _ICOM_THIS(OLEFontImpl, iface);
454
455 /*
456 * Decrease the reference count on this object.
457 */
458 thisptr->ref--;
459
460 /*
461 * If the reference count goes down to 0, perform suicide.
462 */
463 if (thisptr->ref==0)
464 {
465 OLEFontImpl_Destroy(thisptr);
466
467 return 0;
468 }
469
470 return thisptr->ref;
471}
472
473/************************************************************************
474 * OLEFontImpl_get_Name (IFont)
475 *
476 * See Windows documentation for more details on IFont methods.
477 */
478static HRESULT WINAPI OLEFontImpl_get_Name(
479 IFont* iface,
480 BSTR* pname)
481{
482 _ICOM_THIS(OLEFontImpl, iface);
483
484 /*
485 * Sanity check.
486 */
487 if (pname==0)
488 return E_POINTER;
489
490 if (thisptr->description.lpstrName!=0)
491 *pname = SysAllocString(thisptr->description.lpstrName);
492 else
493 *pname = 0;
494
495 return S_OK;
496}
497
498/************************************************************************
499 * OLEFontImpl_put_Name (IFont)
500 *
501 * See Windows documentation for more details on IFont methods.
502 */
503static HRESULT WINAPI OLEFontImpl_put_Name(
504 IFont* iface,
505 BSTR name)
506{
507 _ICOM_THIS(OLEFontImpl, iface);
508
509 if (thisptr->description.lpstrName==0)
510 {
511 thisptr->description.lpstrName = (LPWSTR)HeapAlloc(GetProcessHeap(),
512 0,
513 (lstrlenW(name)+1) * sizeof(WCHAR));
514 }
515 else
516 {
517 thisptr->description.lpstrName = (LPWSTR)HeapReAlloc(GetProcessHeap(),
518 0,
519 thisptr->description.lpstrName,
520 (lstrlenW(name)+1) * sizeof(WCHAR));
521 }
522
523 if (thisptr->description.lpstrName==0)
524 return E_OUTOFMEMORY;
525
526 lstrcpyW(thisptr->description.lpstrName, name);
527
528 return S_OK;
529}
530
531/************************************************************************
532 * OLEFontImpl_get_Size (IFont)
533 *
534 * See Windows documentation for more details on IFont methods.
535 */
536static HRESULT WINAPI OLEFontImpl_get_Size(
537 IFont* iface,
538 CY* psize)
539{
540 _ICOM_THIS(OLEFontImpl, iface);
541
542 /*
543 * Sanity check
544 */
545 if (psize==0)
546 return E_POINTER;
547
548 psize->u.Hi = 0;
549 psize->u.Lo = thisptr->description.cySize.u.Lo;
550
551 return S_OK;
552}
553
554/************************************************************************
555 * OLEFontImpl_put_Size (IFont)
556 *
557 * See Windows documentation for more details on IFont methods.
558 */
559static HRESULT WINAPI OLEFontImpl_put_Size(
560 IFont* iface,
561 CY size)
562{
563 _ICOM_THIS(OLEFontImpl, iface);
564
565 thisptr->description.cySize.u.Hi = 0;
566 thisptr->description.cySize.u.Lo = thisptr->description.cySize.u.Lo;
567
568 return S_OK;
569}
570
571/************************************************************************
572 * OLEFontImpl_get_Bold (IFont)
573 *
574 * See Windows documentation for more details on IFont methods.
575 */
576static HRESULT WINAPI OLEFontImpl_get_Bold(
577 IFont* iface,
578 BOOL* pbold)
579{
580 FIXME("():Stub\n");
581 return E_NOTIMPL;
582}
583
584/************************************************************************
585 * OLEFontImpl_put_Bold (IFont)
586 *
587 * See Windows documentation for more details on IFont methods.
588 */
589static HRESULT WINAPI OLEFontImpl_put_Bold(
590 IFont* iface,
591 BOOL bold)
592{
593 FIXME("():Stub\n");
594 return E_NOTIMPL;
595}
596
597/************************************************************************
598 * OLEFontImpl_get_Italic (IFont)
599 *
600 * See Windows documentation for more details on IFont methods.
601 */
602static HRESULT WINAPI OLEFontImpl_get_Italic(
603 IFont* iface,
604 BOOL* pitalic)
605{
606 _ICOM_THIS(OLEFontImpl, iface);
607
608 /*
609 * Sanity check
610 */
611 if (pitalic==0)
612 return E_POINTER;
613
614 *pitalic = thisptr->description.fItalic;
615
616 return S_OK;
617}
618
619/************************************************************************
620 * OLEFontImpl_put_Italic (IFont)
621 *
622 * See Windows documentation for more details on IFont methods.
623 */
624static HRESULT WINAPI OLEFontImpl_put_Italic(
625 IFont* iface,
626 BOOL italic)
627{
628 _ICOM_THIS(OLEFontImpl, iface);
629
630 thisptr->description.fItalic = italic;
631
632 return S_OK;
633}
634
635/************************************************************************
636 * OLEFontImpl_get_Underline (IFont)
637 *
638 * See Windows documentation for more details on IFont methods.
639 */
640static HRESULT WINAPI OLEFontImpl_get_Underline(
641 IFont* iface,
642 BOOL* punderline)
643{
644 _ICOM_THIS(OLEFontImpl, iface);
645
646 /*
647 * Sanity check
648 */
649 if (punderline==0)
650 return E_POINTER;
651
652 *punderline = thisptr->description.fUnderline;
653
654 return S_OK;
655}
656
657/************************************************************************
658 * OLEFontImpl_put_Underline (IFont)
659 *
660 * See Windows documentation for more details on IFont methods.
661 */
662static HRESULT WINAPI OLEFontImpl_put_Underline(
663 IFont* iface,
664 BOOL underline)
665{
666 _ICOM_THIS(OLEFontImpl, iface);
667
668 thisptr->description.fUnderline = underline;
669
670 return S_OK;
671}
672
673/************************************************************************
674 * OLEFontImpl_get_Strikethrough (IFont)
675 *
676 * See Windows documentation for more details on IFont methods.
677 */
678static HRESULT WINAPI OLEFontImpl_get_Strikethrough(
679 IFont* iface,
680 BOOL* pstrikethrough)
681{
682 _ICOM_THIS(OLEFontImpl, iface);
683
684 /*
685 * Sanity check
686 */
687 if (pstrikethrough==0)
688 return E_POINTER;
689
690 *pstrikethrough = thisptr->description.fStrikethrough;
691
692 return S_OK;
693}
694
695/************************************************************************
696 * OLEFontImpl_put_Strikethrough (IFont)
697 *
698 * See Windows documentation for more details on IFont methods.
699 */
700static HRESULT WINAPI OLEFontImpl_put_Strikethrough(
701 IFont* iface,
702 BOOL strikethrough)
703{
704 _ICOM_THIS(OLEFontImpl, iface);
705
706 thisptr->description.fStrikethrough = strikethrough;
707
708 return S_OK;
709}
710
711/************************************************************************
712 * OLEFontImpl_get_Weight (IFont)
713 *
714 * See Windows documentation for more details on IFont methods.
715 */
716static HRESULT WINAPI OLEFontImpl_get_Weight(
717 IFont* iface,
718 short* pweight)
719{
720 _ICOM_THIS(OLEFontImpl, iface);
721
722 /*
723 * Sanity check
724 */
725 if (pweight==0)
726 return E_POINTER;
727
728 *pweight = thisptr->description.sWeight;
729
730 return S_OK;
731}
732
733/************************************************************************
734 * OLEFontImpl_put_Weight (IFont)
735 *
736 * See Windows documentation for more details on IFont methods.
737 */
738static HRESULT WINAPI OLEFontImpl_put_Weight(
739 IFont* iface,
740 short weight)
741{
742 _ICOM_THIS(OLEFontImpl, iface);
743
744 thisptr->description.sWeight = weight;
745
746 return S_OK;
747}
748
749/************************************************************************
750 * OLEFontImpl_get_Charset (IFont)
751 *
752 * See Windows documentation for more details on IFont methods.
753 */
754static HRESULT WINAPI OLEFontImpl_get_Charset(
755 IFont* iface,
756 short* pcharset)
757{
758 _ICOM_THIS(OLEFontImpl, iface);
759
760 /*
761 * Sanity check
762 */
763 if (pcharset==0)
764 return E_POINTER;
765
766 *pcharset = thisptr->description.sCharset;
767
768 return S_OK;
769}
770
771/************************************************************************
772 * OLEFontImpl_put_Charset (IFont)
773 *
774 * See Windows documentation for more details on IFont methods.
775 */
776static HRESULT WINAPI OLEFontImpl_put_Charset(
777 IFont* iface,
778 short charset)
779{
780 _ICOM_THIS(OLEFontImpl, iface);
781
782 thisptr->description.sCharset = charset;
783
784 return S_OK;
785}
786
787/************************************************************************
788 * OLEFontImpl_get_hFont (IFont)
789 *
790 * See Windows documentation for more details on IFont methods.
791 */
792static HRESULT WINAPI OLEFontImpl_get_hFont(
793 IFont* iface,
794 HFONT* phfont)
795{
796 _ICOM_THIS(OLEFontImpl, iface);
797
798 if (phfont==NULL)
799 return E_POINTER;
800
801 /*
802 * Realize the font if necessary
803 */
804 if (thisptr->gdiFont==0)
805{
806 LOGFONTW logFont;
807 INT fontHeight;
808 CY cySize;
809
810 /*
811 * The height of the font returned by the get_Size property is the
812 * height of the font in points multiplied by 10000... Using some
813 * simple conversions and the ratio given by the application, it can
814 * be converted to a height in pixels.
815 */
816 IFont_get_Size(iface, &cySize);
817
818 fontHeight = MulDiv(cySize.u.Lo, 2540L, 72L);
819 fontHeight = MulDiv(fontHeight, thisptr->cyLogical,thisptr->cyHimetric);
820
821 memset(&logFont, 0, sizeof(LOGFONTW));
822
823 logFont.lfHeight = ((fontHeight%10000L)>5000L) ? (-fontHeight/10000L)-1 :
824 (-fontHeight/10000L);
825 logFont.lfItalic = thisptr->description.fItalic;
826 logFont.lfUnderline = thisptr->description.fUnderline;
827 logFont.lfStrikeOut = thisptr->description.fStrikethrough;
828 logFont.lfWeight = thisptr->description.sWeight;
829 logFont.lfCharSet = thisptr->description.sCharset;
830 logFont.lfOutPrecision = OUT_CHARACTER_PRECIS;
831 logFont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
832 logFont.lfQuality = DEFAULT_QUALITY;
833 logFont.lfPitchAndFamily = DEFAULT_PITCH;
834 lstrcpyW(logFont.lfFaceName,thisptr->description.lpstrName);
835
836 thisptr->gdiFont = CreateFontIndirectW(&logFont);
837 }
838
839 *phfont = thisptr->gdiFont;
840
841 return S_OK;
842}
843
844/************************************************************************
845 * OLEFontImpl_Clone (IFont)
846 *
847 * See Windows documentation for more details on IFont methods.
848 */
849static HRESULT WINAPI OLEFontImpl_Clone(
850 IFont* iface,
851 IFont** ppfont)
852{
853 OLEFontImpl* newObject = 0;
854
855 _ICOM_THIS(OLEFontImpl, iface);
856
857 if (ppfont == NULL)
858 return E_POINTER;
859
860 *ppfont = NULL;
861
862 /*
863 * Allocate space for the object.
864 */
865 newObject = (OLEFontImpl*) HeapAlloc(GetProcessHeap(), 0, sizeof(OLEFontImpl));
866
867 if (newObject==NULL)
868 return E_OUTOFMEMORY;
869
870 *newObject = *thisptr;
871
872 /*
873 * That new object starts with a reference count of 1
874 */
875 newObject->ref = 1;
876
877 *ppfont = (IFont*)newObject;
878
879 return S_OK;
880}
881
882/************************************************************************
883 * OLEFontImpl_IsEqual (IFont)
884 *
885 * See Windows documentation for more details on IFont methods.
886 */
887static HRESULT WINAPI OLEFontImpl_IsEqual(
888 IFont* iface,
889 IFont* pFontOther)
890{
891 FIXME("():Stub\n");
892 return E_NOTIMPL;
893}
894
895/************************************************************************
896 * OLEFontImpl_SetRatio (IFont)
897 *
898 * See Windows documentation for more details on IFont methods.
899 */
900static HRESULT WINAPI OLEFontImpl_SetRatio(
901 IFont* iface,
902 long cyLogical,
903 long cyHimetric)
904{
905 _ICOM_THIS(OLEFontImpl, iface);
906
907 thisptr->cyLogical = cyLogical;
908 thisptr->cyHimetric = cyHimetric;
909
910 return S_OK;
911}
912
913/************************************************************************
914 * OLEFontImpl_QueryTextMetrics (IFont)
915 *
916 * See Windows documentation for more details on IFont methods.
917 */
918static HRESULT WINAPI OLEFontImpl_QueryTextMetrics(
919 IFont* iface,
920 TEXTMETRICOLE* ptm)
921{
922 FIXME("():Stub\n");
923 return E_NOTIMPL;
924}
925
926/************************************************************************
927 * OLEFontImpl_AddRefHfont (IFont)
928 *
929 * See Windows documentation for more details on IFont methods.
930 */
931static HRESULT WINAPI OLEFontImpl_AddRefHfont(
932 IFont* iface,
933 HFONT hfont)
934{
935 _ICOM_THIS(OLEFontImpl, iface);
936
937 if ( (hfont == 0) ||
938 (hfont != thisptr->gdiFont) )
939 return E_INVALIDARG;
940
941 thisptr->fontLock++;
942
943 return S_OK;
944}
945
946/************************************************************************
947 * OLEFontImpl_ReleaseHfont (IFont)
948 *
949 * See Windows documentation for more details on IFont methods.
950 */
951static HRESULT WINAPI OLEFontImpl_ReleaseHfont(
952 IFont* iface,
953 HFONT hfont)
954{
955 _ICOM_THIS(OLEFontImpl, iface);
956
957 if ( (hfont == 0) ||
958 (hfont != thisptr->gdiFont) )
959 return E_INVALIDARG;
960
961 thisptr->fontLock--;
962
963 /*
964 * If we just released our last font reference, destroy it.
965 */
966 if (thisptr->fontLock==0)
967 {
968 DeleteObject(thisptr->gdiFont);
969 thisptr->gdiFont = 0;
970}
971
972 return S_OK;
973}
974
975/************************************************************************
976 * OLEFontImpl_SetHdc (IFont)
977 *
978 * See Windows documentation for more details on IFont methods.
979 */
980static HRESULT WINAPI OLEFontImpl_SetHdc(
981 IFont* iface,
982 HDC hdc)
983{
984 FIXME("():Stub\n");
985 return E_NOTIMPL;
986}
987
988/************************************************************************
989 * OLEFontImpl_IDispatch_QueryInterface (IUnknown)
990 *
991 * See Windows documentation for more details on IUnknown methods.
992 */
993static HRESULT WINAPI OLEFontImpl_IDispatch_QueryInterface(
994 IDispatch* iface,
995 REFIID riid,
996 VOID** ppvoid)
997{
998 _ICOM_THIS_From_IDispatch(IFont, iface);
999
1000 return IFont_QueryInterface(thisptr, riid, ppvoid);
1001}
1002
1003/************************************************************************
1004 * OLEFontImpl_IDispatch_Release (IUnknown)
1005 *
1006 * See Windows documentation for more details on IUnknown methods.
1007 */
1008static ULONG WINAPI OLEFontImpl_IDispatch_Release(
1009 IDispatch* iface)
1010{
1011 _ICOM_THIS_From_IDispatch(IFont, iface);
1012
1013 return IFont_Release(thisptr);
1014}
1015
1016/************************************************************************
1017 * OLEFontImpl_IDispatch_AddRef (IUnknown)
1018 *
1019 * See Windows documentation for more details on IUnknown methods.
1020 */
1021static ULONG WINAPI OLEFontImpl_IDispatch_AddRef(
1022 IDispatch* iface)
1023{
1024 _ICOM_THIS_From_IDispatch(IFont, iface);
1025
1026 return IFont_AddRef(thisptr);
1027}
1028
1029/************************************************************************
1030 * OLEFontImpl_GetTypeInfoCount (IDispatch)
1031 *
1032 * See Windows documentation for more details on IDispatch methods.
1033 */
1034static HRESULT WINAPI OLEFontImpl_GetTypeInfoCount(
1035 IDispatch* iface,
1036 unsigned int* pctinfo)
1037{
1038 FIXME("():Stub\n");
1039
1040 return E_NOTIMPL;
1041}
1042
1043/************************************************************************
1044 * OLEFontImpl_GetTypeInfo (IDispatch)
1045 *
1046 * See Windows documentation for more details on IDispatch methods.
1047 */
1048static HRESULT WINAPI OLEFontImpl_GetTypeInfo(
1049 IDispatch* iface,
1050 UINT iTInfo,
1051 LCID lcid,
1052 ITypeInfo** ppTInfo)
1053{
1054 FIXME("():Stub\n");
1055
1056 return E_NOTIMPL;
1057}
1058
1059/************************************************************************
1060 * OLEFontImpl_GetIDsOfNames (IDispatch)
1061 *
1062 * See Windows documentation for more details on IDispatch methods.
1063 */
1064static HRESULT WINAPI OLEFontImpl_GetIDsOfNames(
1065 IDispatch* iface,
1066 REFIID riid,
1067 LPOLESTR* rgszNames,
1068 UINT cNames,
1069 LCID lcid,
1070 DISPID* rgDispId)
1071{
1072 FIXME("():Stub\n");
1073
1074 return E_NOTIMPL;
1075}
1076
1077/************************************************************************
1078 * OLEFontImpl_Invoke (IDispatch)
1079 *
1080 * See Windows documentation for more details on IDispatch methods.
1081 */
1082static HRESULT WINAPI OLEFontImpl_Invoke(
1083 IDispatch* iface,
1084 DISPID dispIdMember,
1085 REFIID riid,
1086 LCID lcid,
1087 WORD wFlags,
1088 DISPPARAMS* pDispParams,
1089 VARIANT* pVarResult,
1090 EXCEPINFO* pExepInfo,
1091 UINT* puArgErr)
1092{
1093 FIXME("():Stub\n");
1094
1095 return E_NOTIMPL;
1096}
1097
1098/************************************************************************
1099 * OLEFontImpl_IPersistStream_QueryInterface (IUnknown)
1100 *
1101 * See Windows documentation for more details on IUnknown methods.
1102 */
1103static HRESULT WINAPI OLEFontImpl_IPersistStream_QueryInterface(
1104 IPersistStream* iface,
1105 REFIID riid,
1106 VOID** ppvoid)
1107{
1108 _ICOM_THIS_From_IPersistStream(IFont, iface);
1109
1110 return IFont_QueryInterface(thisptr, riid, ppvoid);
1111}
1112
1113/************************************************************************
1114 * OLEFontImpl_IPersistStream_Release (IUnknown)
1115 *
1116 * See Windows documentation for more details on IUnknown methods.
1117 */
1118static ULONG WINAPI OLEFontImpl_IPersistStream_Release(
1119 IPersistStream* iface)
1120{
1121 _ICOM_THIS_From_IPersistStream(IFont, iface);
1122
1123 return IFont_Release(thisptr);
1124}
1125
1126/************************************************************************
1127 * OLEFontImpl_IPersistStream_AddRef (IUnknown)
1128 *
1129 * See Windows documentation for more details on IUnknown methods.
1130 */
1131static ULONG WINAPI OLEFontImpl_IPersistStream_AddRef(
1132 IPersistStream* iface)
1133{
1134 _ICOM_THIS_From_IPersistStream(IFont, iface);
1135
1136 return IFont_AddRef(thisptr);
1137}
1138
1139/************************************************************************
1140 * OLEFontImpl_GetClassID (IPersistStream)
1141 *
1142 * See Windows documentation for more details on IPersistStream methods.
1143 */
1144static HRESULT WINAPI OLEFontImpl_GetClassID(
1145 IPersistStream* iface,
1146 CLSID* pClassID)
1147{
1148 if (pClassID==0)
1149 return E_POINTER;
1150
1151 memcpy(pClassID, &CLSID_StdFont, sizeof(CLSID_StdFont));
1152
1153 return S_OK;
1154}
1155
1156/************************************************************************
1157 * OLEFontImpl_IsDirty (IPersistStream)
1158 *
1159 * See Windows documentation for more details on IPersistStream methods.
1160 */
1161static HRESULT WINAPI OLEFontImpl_IsDirty(
1162 IPersistStream* iface)
1163{
1164 return S_OK;
1165}
1166
1167/************************************************************************
1168 * OLEFontImpl_Load (IPersistStream)
1169 *
1170 * See Windows documentation for more details on IPersistStream methods.
1171 *
1172 * This is the format of the standard font serialization as far as I
1173 * know
1174 *
1175 * Offset Type Value Comment
1176 * 0x0000 Byte Unknown Probably a version number, contains 0x01
1177 * 0x0001 Short Charset Charset value from the FONTDESC structure
1178 * 0x0003 Byte Attributes Flags defined as follows:
1179 * 00000010 - Italic
1180 * 00000100 - Underline
1181 * 00001000 - Strikethrough
1182 * 0x0004 Short Weight Weight value from FONTDESC structure
1183 * 0x0006 DWORD size "Low" portion of the cySize member of the FONTDESC
1184 * structure/
1185 * 0x000A Byte name length Length of the font name string (no null character)
1186 * 0x000B String name Name of the font (ASCII, no nul character)
1187 */
1188static HRESULT WINAPI OLEFontImpl_Load(
1189 IPersistStream* iface,
1190 IStream* pLoadStream)
1191{
1192 char readBuffer[0x100];
1193 ULONG cbRead;
1194 BYTE bVersion;
1195 BYTE bAttributes;
1196 BYTE bStringSize;
1197
1198 _ICOM_THIS_From_IPersistStream(OLEFontImpl, iface);
1199
1200 /*
1201 * Read the version byte
1202 */
1203 IStream_Read(pLoadStream, &bVersion, 1, &cbRead);
1204
1205 if ( (cbRead!=1) ||
1206 (bVersion!=0x01) )
1207 return E_FAIL;
1208
1209 /*
1210 * Charset
1211 */
1212 IStream_Read(pLoadStream, &thisptr->description.sCharset, 2, &cbRead);
1213
1214 if (cbRead!=2)
1215 return E_FAIL;
1216
1217 /*
1218 * Attributes
1219 */
1220 IStream_Read(pLoadStream, &bAttributes, 1, &cbRead);
1221
1222 if (cbRead!=1)
1223 return E_FAIL;
1224
1225 thisptr->description.fItalic = (bAttributes & FONTPERSIST_ITALIC) != 0;
1226 thisptr->description.fStrikethrough = (bAttributes & FONTPERSIST_STRIKETHROUGH) != 0;
1227 thisptr->description.fUnderline = (bAttributes & FONTPERSIST_UNDERLINE) != 0;
1228
1229 /*
1230 * Weight
1231 */
1232 IStream_Read(pLoadStream, &thisptr->description.sWeight, 2, &cbRead);
1233
1234 if (cbRead!=2)
1235 return E_FAIL;
1236
1237 /*
1238 * Size
1239 */
1240 IStream_Read(pLoadStream, &thisptr->description.cySize.u.Lo, 4, &cbRead);
1241
1242 if (cbRead!=4)
1243 return E_FAIL;
1244
1245 thisptr->description.cySize.u.Hi = 0;
1246
1247 /*
1248 * FontName
1249 */
1250 IStream_Read(pLoadStream, &bStringSize, 1, &cbRead);
1251
1252 if (cbRead!=1)
1253 return E_FAIL;
1254
1255 memset(readBuffer, 0, 0x100);
1256 IStream_Read(pLoadStream, readBuffer, bStringSize, &cbRead);
1257
1258 if (cbRead!=bStringSize)
1259 return E_FAIL;
1260
1261 if (thisptr->description.lpstrName!=0)
1262 HeapFree(GetProcessHeap(), 0, thisptr->description.lpstrName);
1263
1264 thisptr->description.lpstrName = HEAP_strdupAtoW(GetProcessHeap(),
1265 HEAP_ZERO_MEMORY,
1266 readBuffer);
1267
1268 return S_OK;
1269}
1270
1271/************************************************************************
1272 * OLEFontImpl_Save (IPersistStream)
1273 *
1274 * See Windows documentation for more details on IPersistStream methods.
1275 */
1276static HRESULT WINAPI OLEFontImpl_Save(
1277 IPersistStream* iface,
1278 IStream* pOutStream,
1279 BOOL fClearDirty)
1280{
1281 char* writeBuffer = NULL;
1282 ULONG cbWritten;
1283 BYTE bVersion = 0x01;
1284 BYTE bAttributes;
1285 BYTE bStringSize;
1286
1287 _ICOM_THIS_From_IPersistStream(OLEFontImpl, iface);
1288
1289 /*
1290 * Read the version byte
1291 */
1292 IStream_Write(pOutStream, &bVersion, 1, &cbWritten);
1293
1294 if (cbWritten!=1)
1295 return E_FAIL;
1296
1297 /*
1298 * Charset
1299 */
1300 IStream_Write(pOutStream, &thisptr->description.sCharset, 2, &cbWritten);
1301
1302 if (cbWritten!=2)
1303 return E_FAIL;
1304
1305 /*
1306 * Attributes
1307 */
1308 bAttributes = 0;
1309
1310 if (thisptr->description.fItalic)
1311 bAttributes |= FONTPERSIST_ITALIC;
1312
1313 if (thisptr->description.fStrikethrough)
1314 bAttributes |= FONTPERSIST_STRIKETHROUGH;
1315
1316 if (thisptr->description.fUnderline)
1317 bAttributes |= FONTPERSIST_UNDERLINE;
1318
1319 IStream_Write(pOutStream, &bAttributes, 1, &cbWritten);
1320
1321 if (cbWritten!=1)
1322 return E_FAIL;
1323
1324 /*
1325 * Weight
1326 */
1327 IStream_Write(pOutStream, &thisptr->description.sWeight, 2, &cbWritten);
1328
1329 if (cbWritten!=2)
1330 return E_FAIL;
1331
1332 /*
1333 * Size
1334 */
1335 IStream_Write(pOutStream, &thisptr->description.cySize.u.Lo, 4, &cbWritten);
1336
1337 if (cbWritten!=4)
1338 return E_FAIL;
1339
1340 /*
1341 * FontName
1342 */
1343 if (thisptr->description.lpstrName!=0)
1344 bStringSize = lstrlenW(thisptr->description.lpstrName);
1345 else
1346 bStringSize = 0;
1347
1348 IStream_Write(pOutStream, &bStringSize, 1, &cbWritten);
1349
1350 if (cbWritten!=1)
1351 return E_FAIL;
1352
1353 if (bStringSize!=0)
1354 {
1355 writeBuffer = HEAP_strdupWtoA(GetProcessHeap(),
1356 HEAP_ZERO_MEMORY,
1357 thisptr->description.lpstrName);
1358
1359 if (writeBuffer==0)
1360 return E_OUTOFMEMORY;
1361
1362 IStream_Write(pOutStream, writeBuffer, bStringSize, &cbWritten);
1363
1364 HeapFree(GetProcessHeap(), 0, writeBuffer);
1365
1366 if (cbWritten!=bStringSize)
1367 return E_FAIL;
1368 }
1369
1370 return S_OK;
1371}
1372
1373/************************************************************************
1374 * OLEFontImpl_GetSizeMax (IPersistStream)
1375 *
1376 * See Windows documentation for more details on IPersistStream methods.
1377 */
1378static HRESULT WINAPI OLEFontImpl_GetSizeMax(
1379 IPersistStream* iface,
1380 ULARGE_INTEGER* pcbSize)
1381{
1382 _ICOM_THIS_From_IPersistStream(OLEFontImpl, iface);
1383
1384 if (pcbSize==NULL)
1385 return E_POINTER;
1386
1387 pcbSize->HighPart = 0;
1388 pcbSize->LowPart = 0;
1389
1390 pcbSize->LowPart += sizeof(BYTE); /* Version */
1391 pcbSize->LowPart += sizeof(WORD); /* Lang code */
1392 pcbSize->LowPart += sizeof(BYTE); /* Flags */
1393 pcbSize->LowPart += sizeof(WORD); /* Weight */
1394 pcbSize->LowPart += sizeof(DWORD); /* Size */
1395 pcbSize->LowPart += sizeof(BYTE); /* StrLength */
1396
1397 if (thisptr->description.lpstrName!=0)
1398 pcbSize->LowPart += lstrlenW(thisptr->description.lpstrName);
1399
1400 return S_OK;
1401}
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