dlls/oleaut32/olefont.c

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