dlls/gdiplus/font.c

   1 /*
   2  * Copyright (C) 2007 Google (Evan Stade)
   3  * Copyright (C) 2012 Dmitry Timoshkov
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <stdarg.h>
  21
  22 #include "windef.h"
  23 #include "winbase.h"
  24 #include "wingdi.h"
  25 #include "winnls.h"
  26 #include "winreg.h"
  27 #include "wine/debug.h"
  28 #include "wine/unicode.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL (gdiplus);
  31
  32 #include "objbase.h"
  33
  34 #include "gdiplus.h"
  35 #include "gdiplus_private.h"
  36
  37 /* PANOSE is 10 bytes in size, need to pack the structure properly */
  38 #include "pshpack2.h"
  39 typedef struct
  40 {
  41     USHORT version;
  42     SHORT xAvgCharWidth;
  43     USHORT usWeightClass;
  44     USHORT usWidthClass;
  45     SHORT fsType;
  46     SHORT ySubscriptXSize;
  47     SHORT ySubscriptYSize;
  48     SHORT ySubscriptXOffset;
  49     SHORT ySubscriptYOffset;
  50     SHORT ySuperscriptXSize;
  51     SHORT ySuperscriptYSize;
  52     SHORT ySuperscriptXOffset;
  53     SHORT ySuperscriptYOffset;
  54     SHORT yStrikeoutSize;
  55     SHORT yStrikeoutPosition;
  56     SHORT sFamilyClass;
  57     PANOSE panose;
  58     ULONG ulUnicodeRange1;
  59     ULONG ulUnicodeRange2;
  60     ULONG ulUnicodeRange3;
  61     ULONG ulUnicodeRange4;
  62     CHAR achVendID[4];
  63     USHORT fsSelection;
  64     USHORT usFirstCharIndex;
  65     USHORT usLastCharIndex;
  66     /* According to the Apple spec, original version didn't have the below fields,
  67      * version numbers were taken from the OpenType spec.
  68      */
  69     /* version 0 (TrueType 1.5) */
  70     USHORT sTypoAscender;
  71     USHORT sTypoDescender;
  72     USHORT sTypoLineGap;
  73     USHORT usWinAscent;
  74     USHORT usWinDescent;
  75     /* version 1 (TrueType 1.66) */
  76     ULONG ulCodePageRange1;
  77     ULONG ulCodePageRange2;
  78     /* version 2 (OpenType 1.2) */
  79     SHORT sxHeight;
  80     SHORT sCapHeight;
  81     USHORT usDefaultChar;
  82     USHORT usBreakChar;
  83     USHORT usMaxContext;
  84 } TT_OS2_V2;
  85
  86 typedef struct
  87 {
  88     ULONG Version;
  89     SHORT Ascender;
  90     SHORT Descender;
  91     SHORT LineGap;
  92     USHORT advanceWidthMax;
  93     SHORT minLeftSideBearing;
  94     SHORT minRightSideBearing;
  95     SHORT xMaxExtent;
  96     SHORT caretSlopeRise;
  97     SHORT caretSlopeRun;
  98     SHORT caretOffset;
  99     SHORT reserved[4];
 100     SHORT metricDataFormat;
 101     USHORT numberOfHMetrics;
 102 } TT_HHEA;
 103 #include "poppack.h"
 104
 105 #ifdef WORDS_BIGENDIAN
 106 #define GET_BE_WORD(x) (x)
 107 #define GET_BE_DWORD(x) (x)
 108 #else
 109 #define GET_BE_WORD(x) MAKEWORD(HIBYTE(x), LOBYTE(x))
 110 #define GET_BE_DWORD(x) MAKELONG(GET_BE_WORD(HIWORD(x)), GET_BE_WORD(LOWORD(x)));
 111 #endif
 112
 113 #define MS_MAKE_TAG(ch0, ch1, ch2, ch3) \
 114                     ((DWORD)(BYTE)(ch0) | ((DWORD)(BYTE)(ch1) << 8) | \
 115                     ((DWORD)(BYTE)(ch2) << 16) | ((DWORD)(BYTE)(ch3) << 24))
 116 #define MS_OS2_TAG MS_MAKE_TAG('O','S','/','2')
 117 #define MS_HHEA_TAG MS_MAKE_TAG('h','h','e','a')
 118
 119 static GpStatus clone_font_family(const GpFontFamily *, GpFontFamily **);
 120
 121 static GpFontCollection installedFontCollection = {0};
 122
 123 /*******************************************************************************
 124  * GdipCreateFont [GDIPLUS.@]
 125  *
 126  * Create a new font based off of a FontFamily
 127  *
 128  * PARAMS
 129  *  *fontFamily     [I] Family to base the font off of
 130  *  emSize          [I] Size of the font
 131  *  style           [I] Bitwise OR of FontStyle enumeration
 132  *  unit            [I] Unit emSize is measured in
 133  *  **font          [I] the resulting Font object
 134  *
 135  * RETURNS
 136  *  SUCCESS: Ok
 137  *  FAILURE: InvalidParameter if fontfamily or font is NULL.
 138  *  FAILURE: FontFamilyNotFound if an invalid FontFamily is given
 139  *
 140  * NOTES
 141  *  UnitDisplay is unsupported.
 142  *  emSize is stored separately from lfHeight, to hold the fraction.
 143  */
 144 GpStatus WINGDIPAPI GdipCreateFont(GDIPCONST GpFontFamily *fontFamily,
 145                         REAL emSize, INT style, Unit unit, GpFont **font)
 146 {
 147     HFONT hfont;
 148     OUTLINETEXTMETRICW otm;
 149     LOGFONTW lfw;
 150     HDC hdc;
 151     GpStatus stat;
 152     int ret;
 153
 154     if (!fontFamily || !font || emSize < 0.0)
 155         return InvalidParameter;
 156
 157     TRACE("%p (%s), %f, %d, %d, %p\n", fontFamily,
 158             debugstr_w(fontFamily->FamilyName), emSize, style, unit, font);
 159
 160     memset(&lfw, 0, sizeof(lfw));
 161
 162     stat = GdipGetFamilyName(fontFamily, lfw.lfFaceName, LANG_NEUTRAL);
 163     if (stat != Ok) return stat;
 164
 165     lfw.lfHeight = -units_to_pixels(emSize, unit, fontFamily->dpi);
 166     lfw.lfWeight = style & FontStyleBold ? FW_BOLD : FW_REGULAR;
 167     lfw.lfItalic = style & FontStyleItalic;
 168     lfw.lfUnderline = style & FontStyleUnderline;
 169     lfw.lfStrikeOut = style & FontStyleStrikeout;
 170
 171     hfont = CreateFontIndirectW(&lfw);
 172     hdc = CreateCompatibleDC(0);
 173     SelectObject(hdc, hfont);
 174     otm.otmSize = sizeof(otm);
 175     ret = GetOutlineTextMetricsW(hdc, otm.otmSize, &otm);
 176     DeleteDC(hdc);
 177     DeleteObject(hfont);
 178
 179     if (!ret) return NotTrueTypeFont;
 180
 181     *font = GdipAlloc(sizeof(GpFont));
 182     if (!*font) return OutOfMemory;
 183
 184     (*font)->unit = unit;
 185     (*font)->emSize = emSize;
 186     (*font)->otm = otm;
 187
 188     stat = clone_font_family(fontFamily, &(*font)->family);
 189     if (stat != Ok)
 190     {
 191         GdipFree(*font);
 192         return stat;
 193     }
 194
 195     TRACE("<-- %p\n", *font);
 196
 197     return Ok;
 198 }
 199
 200 /*******************************************************************************
 201  * GdipCreateFontFromLogfontW [GDIPLUS.@]
 202  */
 203 GpStatus WINGDIPAPI GdipCreateFontFromLogfontW(HDC hdc,
 204     GDIPCONST LOGFONTW *logfont, GpFont **font)
 205 {
 206     HFONT hfont, oldfont;
 207     OUTLINETEXTMETRICW otm;
 208     GpStatus stat;
 209     int ret;
 210
 211     TRACE("(%p, %p, %p)\n", hdc, logfont, font);
 212
 213     if (!hdc || !logfont || !font)
 214         return InvalidParameter;
 215
 216     hfont = CreateFontIndirectW(logfont);
 217     oldfont = SelectObject(hdc, hfont);
 218     otm.otmSize = sizeof(otm);
 219     ret = GetOutlineTextMetricsW(hdc, otm.otmSize, &otm);
 220     SelectObject(hdc, oldfont);
 221     DeleteObject(hfont);
 222
 223     if (!ret) return NotTrueTypeFont;
 224
 225     *font = GdipAlloc(sizeof(GpFont));
 226     if (!*font) return OutOfMemory;
 227
 228     (*font)->unit = UnitWorld;
 229     (*font)->emSize = otm.otmTextMetrics.tmAscent;
 230     (*font)->otm = otm;
 231
 232     stat = GdipCreateFontFamilyFromName(logfont->lfFaceName, NULL, &(*font)->family);
 233     if (stat != Ok)
 234     {
 235         GdipFree(*font);
 236         return NotTrueTypeFont;
 237     }
 238
 239     TRACE("<-- %p\n", *font);
 240
 241     return Ok;
 242 }
 243
 244 /*******************************************************************************
 245  * GdipCreateFontFromLogfontA [GDIPLUS.@]
 246  */
 247 GpStatus WINGDIPAPI GdipCreateFontFromLogfontA(HDC hdc,
 248     GDIPCONST LOGFONTA *lfa, GpFont **font)
 249 {
 250     LOGFONTW lfw;
 251
 252     TRACE("(%p, %p, %p)\n", hdc, lfa, font);
 253
 254     if(!lfa || !font)
 255         return InvalidParameter;
 256
 257     memcpy(&lfw, lfa, FIELD_OFFSET(LOGFONTA,lfFaceName) );
 258
 259     if(!MultiByteToWideChar(CP_ACP, 0, lfa->lfFaceName, -1, lfw.lfFaceName, LF_FACESIZE))
 260         return GenericError;
 261
 262     return GdipCreateFontFromLogfontW(hdc, &lfw, font);
 263 }
 264
 265 /*******************************************************************************
 266  * GdipDeleteFont [GDIPLUS.@]
 267  */
 268 GpStatus WINGDIPAPI GdipDeleteFont(GpFont* font)
 269 {
 270     TRACE("(%p)\n", font);
 271
 272     if(!font)
 273         return InvalidParameter;
 274
 275     GdipDeleteFontFamily(font->family);
 276     GdipFree(font);
 277
 278     return Ok;
 279 }
 280
 281 /*******************************************************************************
 282  * GdipCreateFontFromDC [GDIPLUS.@]
 283  */
 284 GpStatus WINGDIPAPI GdipCreateFontFromDC(HDC hdc, GpFont **font)
 285 {
 286     HFONT hfont;
 287     LOGFONTW lfw;
 288
 289     TRACE("(%p, %p)\n", hdc, font);
 290
 291     if(!font)
 292         return InvalidParameter;
 293
 294     hfont = GetCurrentObject(hdc, OBJ_FONT);
 295     if(!hfont)
 296         return GenericError;
 297
 298     if(!GetObjectW(hfont, sizeof(LOGFONTW), &lfw))
 299         return GenericError;
 300
 301     return GdipCreateFontFromLogfontW(hdc, &lfw, font);
 302 }
 303
 304 /*******************************************************************************
 305  * GdipGetFamily [GDIPLUS.@]
 306  *
 307  * Returns the FontFamily for the specified Font
 308  *
 309  * PARAMS
 310  *  font    [I] Font to request from
 311  *  family  [O] Resulting FontFamily object
 312  *
 313  * RETURNS
 314  *  SUCCESS: Ok
 315  *  FAILURE: An element of GpStatus
 316  */
 317 GpStatus WINGDIPAPI GdipGetFamily(GpFont *font, GpFontFamily **family)
 318 {
 319     TRACE("%p %p\n", font, family);
 320
 321     if (!(font && family))
 322         return InvalidParameter;
 323
 324     return GdipCloneFontFamily(font->family, family);
 325 }
 326
 327 static REAL get_font_size(const GpFont *font)
 328 {
 329     return font->emSize;
 330 }
 331
 332 /******************************************************************************
 333  * GdipGetFontSize [GDIPLUS.@]
 334  *
 335  * Returns the size of the font in Units
 336  *
 337  * PARAMS
 338  *  *font       [I] The font to retrieve size from
 339  *  *size       [O] Pointer to hold retrieved value
 340  *
 341  * RETURNS
 342  *  SUCCESS: Ok
 343  *  FAILURE: InvalidParameter (font or size was NULL)
 344  *
 345  * NOTES
 346  *  Size returned is actually emSize -- not internal size used for drawing.
 347  */
 348 GpStatus WINGDIPAPI GdipGetFontSize(GpFont *font, REAL *size)
 349 {
 350     TRACE("(%p, %p)\n", font, size);
 351
 352     if (!(font && size)) return InvalidParameter;
 353
 354     *size = get_font_size(font);
 355     TRACE("%s,%d => %f\n", debugstr_w(font->family->FamilyName), font->otm.otmTextMetrics.tmHeight, *size);
 356
 357     return Ok;
 358 }
 359
 360 static INT get_font_style(const GpFont *font)
 361 {
 362     INT style;
 363
 364     if (font->otm.otmTextMetrics.tmWeight > FW_REGULAR)
 365         style = FontStyleBold;
 366     else
 367         style = FontStyleRegular;
 368     if (font->otm.otmTextMetrics.tmItalic)
 369         style |= FontStyleItalic;
 370     if (font->otm.otmTextMetrics.tmUnderlined)
 371         style |= FontStyleUnderline;
 372     if (font->otm.otmTextMetrics.tmStruckOut)
 373         style |= FontStyleStrikeout;
 374
 375     return style;
 376 }
 377
 378 /*******************************************************************************
 379  * GdipGetFontStyle [GDIPLUS.@]
 380  *
 381  * Gets the font's style, returned in bitwise OR of FontStyle enumeration
 382  *
 383  * PARAMS
 384  *  font    [I] font to request from
 385  *  style   [O] resulting pointer to a FontStyle enumeration
 386  *
 387  * RETURNS
 388  *  SUCCESS: Ok
 389  *  FAILURE: InvalidParameter
 390  */
 391 GpStatus WINGDIPAPI GdipGetFontStyle(GpFont *font, INT *style)
 392 {
 393     TRACE("%p %p\n", font, style);
 394
 395     if (!(font && style))
 396         return InvalidParameter;
 397
 398     *style = get_font_style(font);
 399     TRACE("%s,%d => %d\n", debugstr_w(font->family->FamilyName), font->otm.otmTextMetrics.tmHeight, *style);
 400
 401     return Ok;
 402 }
 403
 404 /*******************************************************************************
 405  * GdipGetFontUnit  [GDIPLUS.@]
 406  *
 407  * PARAMS
 408  *  font    [I] Font to retrieve from
 409  *  unit    [O] Return value
 410  *
 411  * RETURNS
 412  *  FAILURE: font or unit was NULL
 413  *  OK: otherwise
 414  */
 415 GpStatus WINGDIPAPI GdipGetFontUnit(GpFont *font, Unit *unit)
 416 {
 417     TRACE("(%p, %p)\n", font, unit);
 418
 419     if (!(font && unit)) return InvalidParameter;
 420
 421     *unit = font->unit;
 422     TRACE("%s,%d => %d\n", debugstr_w(font->family->FamilyName), font->otm.otmTextMetrics.tmHeight, *unit);
 423
 424     return Ok;
 425 }
 426
 427 /*******************************************************************************
 428  * GdipGetLogFontA [GDIPLUS.@]
 429  */
 430 GpStatus WINGDIPAPI GdipGetLogFontA(GpFont *font, GpGraphics *graphics,
 431     LOGFONTA *lfa)
 432 {
 433     GpStatus status;
 434     LOGFONTW lfw;
 435
 436     TRACE("(%p, %p, %p)\n", font, graphics, lfa);
 437
 438     status = GdipGetLogFontW(font, graphics, &lfw);
 439     if(status != Ok)
 440         return status;
 441
 442     memcpy(lfa, &lfw, FIELD_OFFSET(LOGFONTA,lfFaceName) );
 443
 444     if(!WideCharToMultiByte(CP_ACP, 0, lfw.lfFaceName, -1, lfa->lfFaceName, LF_FACESIZE, NULL, NULL))
 445         return GenericError;
 446
 447     return Ok;
 448 }
 449
 450 void get_log_fontW(const GpFont *font, GpGraphics *graphics, LOGFONTW *lf)
 451 {
 452     /* FIXME: use graphics */
 453     lf->lfHeight = -units_to_pixels(font->emSize, font->unit, font->family->dpi);
 454     lf->lfWidth = 0;
 455     lf->lfEscapement = 0;
 456     lf->lfOrientation = 0;
 457     lf->lfWeight = font->otm.otmTextMetrics.tmWeight;
 458     lf->lfItalic = font->otm.otmTextMetrics.tmItalic ? 1 : 0;
 459     lf->lfUnderline = font->otm.otmTextMetrics.tmUnderlined ? 1 : 0;
 460     lf->lfStrikeOut = font->otm.otmTextMetrics.tmStruckOut ? 1 : 0;
 461     lf->lfCharSet = font->otm.otmTextMetrics.tmCharSet;
 462     lf->lfOutPrecision = OUT_DEFAULT_PRECIS;
 463     lf->lfClipPrecision = CLIP_DEFAULT_PRECIS;
 464     lf->lfQuality = DEFAULT_QUALITY;
 465     lf->lfPitchAndFamily = 0;
 466     strcpyW(lf->lfFaceName, font->family->FamilyName);
 467 }
 468
 469 /*******************************************************************************
 470  * GdipGetLogFontW [GDIPLUS.@]
 471  */
 472 GpStatus WINGDIPAPI GdipGetLogFontW(GpFont *font, GpGraphics *graphics,
 473     LOGFONTW *lfw)
 474 {
 475     TRACE("(%p, %p, %p)\n", font, graphics, lfw);
 476
 477     if(!font || !graphics || !lfw)
 478         return InvalidParameter;
 479
 480     get_log_fontW(font, graphics, lfw);
 481     TRACE("=> %s,%d\n", debugstr_w(lfw->lfFaceName), lfw->lfHeight);
 482
 483     return Ok;
 484 }
 485
 486 /*******************************************************************************
 487  * GdipCloneFont [GDIPLUS.@]
 488  */
 489 GpStatus WINGDIPAPI GdipCloneFont(GpFont *font, GpFont **cloneFont)
 490 {
 491     GpStatus stat;
 492
 493     TRACE("(%p, %p)\n", font, cloneFont);
 494
 495     if(!font || !cloneFont)
 496         return InvalidParameter;
 497
 498     *cloneFont = GdipAlloc(sizeof(GpFont));
 499     if(!*cloneFont)    return OutOfMemory;
 500
 501     **cloneFont = *font;
 502     stat = GdipCloneFontFamily(font->family, &(*cloneFont)->family);
 503     if (stat != Ok) GdipFree(*cloneFont);
 504
 505     return stat;
 506 }
 507
 508 /*******************************************************************************
 509  * GdipGetFontHeight [GDIPLUS.@]
 510  * PARAMS
 511  *  font        [I] Font to retrieve height from
 512  *  graphics    [I] The current graphics context
 513  *  height      [O] Resulting height
 514  * RETURNS
 515  *  SUCCESS: Ok
 516  *  FAILURE: Another element of GpStatus
 517  *
 518  * NOTES
 519  *  Forwards to GdipGetFontHeightGivenDPI
 520  */
 521 GpStatus WINGDIPAPI GdipGetFontHeight(GDIPCONST GpFont *font,
 522         GDIPCONST GpGraphics *graphics, REAL *height)
 523 {
 524     REAL dpi;
 525     GpStatus stat;
 526     REAL font_height;
 527
 528     TRACE("%p %p %p\n", font, graphics, height);
 529
 530     stat = GdipGetFontHeightGivenDPI(font, font->family->dpi, &font_height);
 531     if (stat != Ok) return stat;
 532
 533     if (!graphics)
 534     {
 535         *height = font_height;
 536         TRACE("%s,%d => %f\n",
 537               debugstr_w(font->family->FamilyName), font->otm.otmTextMetrics.tmHeight, *height);
 538         return Ok;
 539     }
 540
 541     stat = GdipGetDpiY((GpGraphics *)graphics, &dpi);
 542     if (stat != Ok) return stat;
 543
 544     *height = pixels_to_units(font_height, graphics->unit, dpi);
 545
 546     TRACE("%s,%d(unit %d) => %f\n",
 547           debugstr_w(font->family->FamilyName), font->otm.otmTextMetrics.tmHeight, graphics->unit, *height);
 548     return Ok;
 549 }
 550
 551 /*******************************************************************************
 552  * GdipGetFontHeightGivenDPI [GDIPLUS.@]
 553  * PARAMS
 554  *  font        [I] Font to retrieve DPI from
 555  *  dpi         [I] DPI to assume
 556  *  height      [O] Return value
 557  *
 558  * RETURNS
 559  *  SUCCESS: Ok
 560  *  FAILURE: InvalidParameter if font or height is NULL
 561  *
 562  * NOTES
 563  *  According to MSDN, the result is (lineSpacing)*(fontSize / emHeight)*dpi
 564  *  (for anything other than unit Pixel)
 565  */
 566 GpStatus WINGDIPAPI GdipGetFontHeightGivenDPI(GDIPCONST GpFont *font, REAL dpi, REAL *height)
 567 {
 568     GpStatus stat;
 569     INT style;
 570     UINT16 line_spacing, em_height;
 571     REAL font_size;
 572
 573     if (!font || !height) return InvalidParameter;
 574
 575     TRACE("%p (%s), %f, %p\n", font,
 576             debugstr_w(font->family->FamilyName), dpi, height);
 577
 578     font_size = units_to_pixels(get_font_size(font), font->unit, dpi);
 579     style = get_font_style(font);
 580     stat = GdipGetLineSpacing(font->family, style, &line_spacing);
 581     if (stat != Ok) return stat;
 582     stat = GdipGetEmHeight(font->family, style, &em_height);
 583     if (stat != Ok) return stat;
 584
 585     *height = (REAL)line_spacing * font_size / (REAL)em_height;
 586
 587     TRACE("%s,%d => %f\n",
 588           debugstr_w(font->family->FamilyName), font->otm.otmTextMetrics.tmHeight, *height);
 589
 590     return Ok;
 591 }
 592
 593 /***********************************************************************
 594  * Borrowed from GDI32:
 595  *
 596  * Elf is really an ENUMLOGFONTEXW, and ntm is a NEWTEXTMETRICEXW.
 597  *     We have to use other types because of the FONTENUMPROCW definition.
 598  */
 599 static INT CALLBACK is_font_installed_proc(const LOGFONTW *elf,
 600                             const TEXTMETRICW *ntm, DWORD type, LPARAM lParam)
 601 {
 602     if (type & RASTER_FONTTYPE)
 603         return 1;
 604
 605     *(LOGFONTW *)lParam = *elf;
 606
 607     return 0;
 608 }
 609
 610 struct font_metrics
 611 {
 612     UINT16 em_height, ascent, descent, line_spacing; /* in font units */
 613     int dpi;
 614 };
 615
 616 static BOOL get_font_metrics(HDC hdc, struct font_metrics *fm)
 617 {
 618     OUTLINETEXTMETRICW otm;
 619     TT_OS2_V2 tt_os2;
 620     TT_HHEA tt_hori;
 621     LONG size;
 622     UINT16 line_gap;
 623
 624     otm.otmSize = sizeof(otm);
 625     if (!GetOutlineTextMetricsW(hdc, otm.otmSize, &otm)) return FALSE;
 626
 627     fm->em_height = otm.otmEMSquare;
 628     fm->dpi = GetDeviceCaps(hdc, LOGPIXELSY);
 629
 630     memset(&tt_hori, 0, sizeof(tt_hori));
 631     if (GetFontData(hdc, MS_HHEA_TAG, 0, &tt_hori, sizeof(tt_hori)) != GDI_ERROR)
 632     {
 633         fm->ascent = GET_BE_WORD(tt_hori.Ascender);
 634         fm->descent = -GET_BE_WORD(tt_hori.Descender);
 635         TRACE("hhea: ascent %d, descent %d\n", fm->ascent, fm->descent);
 636         line_gap = GET_BE_WORD(tt_hori.LineGap);
 637         fm->line_spacing = fm->ascent + fm->descent + line_gap;
 638         TRACE("line_gap %u, line_spacing %u\n", line_gap, fm->line_spacing);
 639         if (fm->ascent + fm->descent != 0) return TRUE;
 640     }
 641
 642     size = GetFontData(hdc, MS_OS2_TAG, 0, NULL, 0);
 643     if (size == GDI_ERROR) return FALSE;
 644
 645     if (size > sizeof(tt_os2)) size = sizeof(tt_os2);
 646
 647     memset(&tt_os2, 0, sizeof(tt_os2));
 648     if (GetFontData(hdc, MS_OS2_TAG, 0, &tt_os2, size) != size) return FALSE;
 649
 650     fm->ascent = GET_BE_WORD(tt_os2.usWinAscent);
 651     fm->descent = GET_BE_WORD(tt_os2.usWinDescent);
 652     TRACE("usWinAscent %u, usWinDescent %u\n", fm->ascent, fm->descent);
 653     if (fm->ascent + fm->descent == 0)
 654     {
 655         fm->ascent = GET_BE_WORD(tt_os2.sTypoAscender);
 656         fm->descent = GET_BE_WORD(tt_os2.sTypoDescender);
 657         TRACE("sTypoAscender %u, sTypoDescender %u\n", fm->ascent, fm->descent);
 658     }
 659     line_gap = GET_BE_WORD(tt_os2.sTypoLineGap);
 660     fm->line_spacing = fm->ascent + fm->descent + line_gap;
 661     TRACE("line_gap %u, line_spacing %u\n", line_gap, fm->line_spacing);
 662     return TRUE;
 663 }
 664
 665 static GpStatus find_installed_font(const WCHAR *name, struct font_metrics *fm)
 666 {
 667     LOGFONTW lf;
 668     HDC hdc = CreateCompatibleDC(0);
 669     GpStatus ret = FontFamilyNotFound;
 670
 671     if(!EnumFontFamiliesW(hdc, name, is_font_installed_proc, (LPARAM)&lf))
 672     {
 673         HFONT hfont, old_font;
 674
 675         hfont = CreateFontIndirectW(&lf);
 676         old_font = SelectObject(hdc, hfont);
 677         ret = get_font_metrics(hdc, fm) ? Ok : NotTrueTypeFont;
 678         SelectObject(hdc, old_font);
 679         DeleteObject(hfont);
 680     }
 681
 682     DeleteDC(hdc);
 683     return ret;
 684 }
 685
 686 /*******************************************************************************
 687  * GdipCreateFontFamilyFromName [GDIPLUS.@]
 688  *
 689  * Creates a font family object based on a supplied name
 690  *
 691  * PARAMS
 692  *  name               [I] Name of the font
 693  *  fontCollection     [I] What font collection (if any) the font belongs to (may be NULL)
 694  *  FontFamily         [O] Pointer to the resulting FontFamily object
 695  *
 696  * RETURNS
 697  *  SUCCESS: Ok
 698  *  FAILURE: FamilyNotFound if the requested FontFamily does not exist on the system
 699  *  FAILURE: Invalid parameter if FontFamily or name is NULL
 700  *
 701  * NOTES
 702  *   If fontCollection is NULL then the object is not part of any collection
 703  *
 704  */
 705
 706 GpStatus WINGDIPAPI GdipCreateFontFamilyFromName(GDIPCONST WCHAR *name,
 707                                         GpFontCollection *fontCollection,
 708                                         GpFontFamily **FontFamily)
 709 {
 710     GpStatus stat;
 711     GpFontFamily* ffamily;
 712     struct font_metrics fm;
 713
 714     TRACE("%s, %p %p\n", debugstr_w(name), fontCollection, FontFamily);
 715
 716     if (!(name && FontFamily))
 717         return InvalidParameter;
 718     if (fontCollection)
 719         FIXME("No support for FontCollections yet!\n");
 720
 721     stat = find_installed_font(name, &fm);
 722     if (stat != Ok) return stat;
 723
 724     ffamily = GdipAlloc(sizeof (GpFontFamily));
 725     if (!ffamily) return OutOfMemory;
 726
 727     lstrcpynW(ffamily->FamilyName, name, LF_FACESIZE);
 728     ffamily->em_height = fm.em_height;
 729     ffamily->ascent = fm.ascent;
 730     ffamily->descent = fm.descent;
 731     ffamily->line_spacing = fm.line_spacing;
 732     ffamily->dpi = fm.dpi;
 733
 734     *FontFamily = ffamily;
 735
 736     TRACE("<-- %p\n", ffamily);
 737
 738     return Ok;
 739 }
 740
 741 static GpStatus clone_font_family(const GpFontFamily *family, GpFontFamily **clone)
 742 {
 743     *clone = GdipAlloc(sizeof(GpFontFamily));
 744     if (!*clone) return OutOfMemory;
 745
 746     **clone = *family;
 747
 748     return Ok;
 749 }
 750
 751 /*******************************************************************************
 752  * GdipCloneFontFamily [GDIPLUS.@]
 753  *
 754  * Creates a deep copy of a Font Family object
 755  *
 756  * PARAMS
 757  *  FontFamily          [I] Font to clone
 758  *  clonedFontFamily    [O] The resulting cloned font
 759  *
 760  * RETURNS
 761  *  SUCCESS: Ok
 762  */
 763 GpStatus WINGDIPAPI GdipCloneFontFamily(GpFontFamily* FontFamily, GpFontFamily** clonedFontFamily)
 764 {
 765     GpStatus status;
 766
 767     if (!(FontFamily && clonedFontFamily)) return InvalidParameter;
 768
 769     TRACE("%p (%s), %p\n", FontFamily,
 770             debugstr_w(FontFamily->FamilyName), clonedFontFamily);
 771
 772     status = clone_font_family(FontFamily, clonedFontFamily);
 773     if (status != Ok) return status;
 774
 775     TRACE("<-- %p\n", *clonedFontFamily);
 776
 777     return Ok;
 778 }
 779
 780 /*******************************************************************************
 781  * GdipGetFamilyName [GDIPLUS.@]
 782  *
 783  * Returns the family name into name
 784  *
 785  * PARAMS
 786  *  *family     [I] Family to retrieve from
 787  *  *name       [O] WCHARS of the family name
 788  *  LANGID      [I] charset
 789  *
 790  * RETURNS
 791  *  SUCCESS: Ok
 792  *  FAILURE: InvalidParameter if family is NULL
 793  *
 794  * NOTES
 795  *   If name is a NULL ptr, then both XP and Vista will crash (so we do as well)
 796  */
 797 GpStatus WINGDIPAPI GdipGetFamilyName (GDIPCONST GpFontFamily *family,
 798                                        WCHAR *name, LANGID language)
 799 {
 800     static int lang_fixme;
 801
 802     if (family == NULL)
 803          return InvalidParameter;
 804
 805     TRACE("%p, %p, %d\n", family, name, language);
 806
 807     if (language != LANG_NEUTRAL && !lang_fixme++)
 808         FIXME("No support for handling of multiple languages!\n");
 809
 810     lstrcpynW (name, family->FamilyName, LF_FACESIZE);
 811
 812     return Ok;
 813 }
 814
 815
 816 /*****************************************************************************
 817  * GdipDeleteFontFamily [GDIPLUS.@]
 818  *
 819  * Removes the specified FontFamily
 820  *
 821  * PARAMS
 822  *  *FontFamily         [I] The family to delete
 823  *
 824  * RETURNS
 825  *  SUCCESS: Ok
 826  *  FAILURE: InvalidParameter if FontFamily is NULL.
 827  *
 828  */
 829 GpStatus WINGDIPAPI GdipDeleteFontFamily(GpFontFamily *FontFamily)
 830 {
 831     if (!FontFamily)
 832         return InvalidParameter;
 833     TRACE("Deleting %p (%s)\n", FontFamily, debugstr_w(FontFamily->FamilyName));
 834
 835     GdipFree (FontFamily);
 836
 837     return Ok;
 838 }
 839
 840 GpStatus WINGDIPAPI GdipGetCellAscent(GDIPCONST GpFontFamily *family,
 841         INT style, UINT16* CellAscent)
 842 {
 843     if (!(family && CellAscent)) return InvalidParameter;
 844
 845     *CellAscent = family->ascent;
 846     TRACE("%s => %u\n", debugstr_w(family->FamilyName), *CellAscent);
 847
 848     return Ok;
 849 }
 850
 851 GpStatus WINGDIPAPI GdipGetCellDescent(GDIPCONST GpFontFamily *family,
 852         INT style, UINT16* CellDescent)
 853 {
 854     TRACE("(%p, %d, %p)\n", family, style, CellDescent);
 855
 856     if (!(family && CellDescent)) return InvalidParameter;
 857
 858     *CellDescent = family->descent;
 859     TRACE("%s => %u\n", debugstr_w(family->FamilyName), *CellDescent);
 860
 861     return Ok;
 862 }
 863
 864 /*******************************************************************************
 865  * GdipGetEmHeight [GDIPLUS.@]
 866  *
 867  * Gets the height of the specified family in EmHeights
 868  *
 869  * PARAMS
 870  *  family      [I] Family to retrieve from
 871  *  style       [I] (optional) style
 872  *  EmHeight    [O] return value
 873  *
 874  * RETURNS
 875  *  SUCCESS: Ok
 876  *  FAILURE: InvalidParameter
 877  */
 878 GpStatus WINGDIPAPI GdipGetEmHeight(GDIPCONST GpFontFamily *family, INT style, UINT16* EmHeight)
 879 {
 880     if (!(family && EmHeight)) return InvalidParameter;
 881
 882     TRACE("%p (%s), %d, %p\n", family, debugstr_w(family->FamilyName), style, EmHeight);
 883
 884     *EmHeight = family->em_height;
 885     TRACE("%s => %u\n", debugstr_w(family->FamilyName), *EmHeight);
 886
 887     return Ok;
 888 }
 889
 890
 891 /*******************************************************************************
 892  * GdipGetLineSpacing [GDIPLUS.@]
 893  *
 894  * Returns the line spacing in design units
 895  *
 896  * PARAMS
 897  *  family      [I] Family to retrieve from
 898  *  style       [I] (Optional) font style
 899  *  LineSpacing [O] Return value
 900  *
 901  * RETURNS
 902  *  SUCCESS: Ok
 903  *  FAILURE: InvalidParameter (family or LineSpacing was NULL)
 904  */
 905 GpStatus WINGDIPAPI GdipGetLineSpacing(GDIPCONST GpFontFamily *family,
 906         INT style, UINT16* LineSpacing)
 907 {
 908     TRACE("%p, %d, %p\n", family, style, LineSpacing);
 909
 910     if (!(family && LineSpacing))
 911         return InvalidParameter;
 912
 913     if (style) FIXME("ignoring style\n");
 914
 915     *LineSpacing = family->line_spacing;
 916     TRACE("%s => %u\n", debugstr_w(family->FamilyName), *LineSpacing);
 917
 918     return Ok;
 919 }
 920
 921 static INT CALLBACK font_has_style_proc(const LOGFONTW *elf,
 922                             const TEXTMETRICW *ntm, DWORD type, LPARAM lParam)
 923 {
 924     INT fontstyle = FontStyleRegular;
 925
 926     if (!ntm) return 1;
 927
 928     if (ntm->tmWeight >= FW_BOLD) fontstyle |= FontStyleBold;
 929     if (ntm->tmItalic) fontstyle |= FontStyleItalic;
 930     if (ntm->tmUnderlined) fontstyle |= FontStyleUnderline;
 931     if (ntm->tmStruckOut) fontstyle |= FontStyleStrikeout;
 932
 933     return (INT)lParam != fontstyle;
 934 }
 935
 936 GpStatus WINGDIPAPI GdipIsStyleAvailable(GDIPCONST GpFontFamily* family,
 937         INT style, BOOL* IsStyleAvailable)
 938 {
 939     HDC hdc;
 940
 941     TRACE("%p %d %p\n", family, style, IsStyleAvailable);
 942
 943     if (!(family && IsStyleAvailable))
 944         return InvalidParameter;
 945
 946     *IsStyleAvailable = FALSE;
 947
 948     hdc = GetDC(0);
 949
 950     if(!EnumFontFamiliesW(hdc, family->FamilyName, font_has_style_proc, (LPARAM)style))
 951         *IsStyleAvailable = TRUE;
 952
 953     ReleaseDC(0, hdc);
 954
 955     return Ok;
 956 }
 957
 958 /*****************************************************************************
 959  * GdipGetGenericFontFamilyMonospace [GDIPLUS.@]
 960  *
 961  * Obtains a serif family (Courier New on Windows)
 962  *
 963  * PARAMS
 964  *  **nativeFamily         [I] Where the font will be stored
 965  *
 966  * RETURNS
 967  *  InvalidParameter if nativeFamily is NULL.
 968  *  Ok otherwise.
 969  */
 970 GpStatus WINGDIPAPI GdipGetGenericFontFamilyMonospace(GpFontFamily **nativeFamily)
 971 {
 972     static const WCHAR CourierNew[] = {'C','o','u','r','i','e','r',' ','N','e','w','\0'};
 973     static const WCHAR LiberationMono[] = {'L','i','b','e','r','a','t','i','o','n',' ','M','o','n','o','\0'};
 974     GpStatus stat;
 975
 976     if (nativeFamily == NULL) return InvalidParameter;
 977
 978     stat = GdipCreateFontFamilyFromName(CourierNew, NULL, nativeFamily);
 979
 980     if (stat == FontFamilyNotFound)
 981         stat = GdipCreateFontFamilyFromName(LiberationMono, NULL, nativeFamily);
 982
 983     if (stat == FontFamilyNotFound)
 984         ERR("Missing 'Courier New' font\n");
 985
 986     return stat;
 987 }
 988
 989 /*****************************************************************************
 990  * GdipGetGenericFontFamilySerif [GDIPLUS.@]
 991  *
 992  * Obtains a serif family (Times New Roman on Windows)
 993  *
 994  * PARAMS
 995  *  **nativeFamily         [I] Where the font will be stored
 996  *
 997  * RETURNS
 998  *  InvalidParameter if nativeFamily is NULL.
 999  *  Ok otherwise.
1000  */
1001 GpStatus WINGDIPAPI GdipGetGenericFontFamilySerif(GpFontFamily **nativeFamily)
1002 {
1003     static const WCHAR TimesNewRoman[] = {'T','i','m','e','s',' ','N','e','w',' ','R','o','m','a','n','\0'};
1004     static const WCHAR LiberationSerif[] = {'L','i','b','e','r','a','t','i','o','n',' ','S','e','r','i','f','\0'};
1005     GpStatus stat;
1006
1007     TRACE("(%p)\n", nativeFamily);
1008
1009     if (nativeFamily == NULL) return InvalidParameter;
1010
1011     stat = GdipCreateFontFamilyFromName(TimesNewRoman, NULL, nativeFamily);
1012
1013     if (stat == FontFamilyNotFound)
1014         stat = GdipCreateFontFamilyFromName(LiberationSerif, NULL, nativeFamily);
1015
1016     if (stat == FontFamilyNotFound)
1017         ERR("Missing 'Times New Roman' font\n");
1018
1019     return stat;
1020 }
1021
1022 /*****************************************************************************
1023  * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
1024  *
1025  * Obtains a serif family (Microsoft Sans Serif on Windows)
1026  *
1027  * PARAMS
1028  *  **nativeFamily         [I] Where the font will be stored
1029  *
1030  * RETURNS
1031  *  InvalidParameter if nativeFamily is NULL.
1032  *  Ok otherwise.
1033  */
1034 GpStatus WINGDIPAPI GdipGetGenericFontFamilySansSerif(GpFontFamily **nativeFamily)
1035 {
1036     GpStatus stat;
1037     static const WCHAR MicrosoftSansSerif[] = {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f','\0'};
1038     static const WCHAR Tahoma[] = {'T','a','h','o','m','a','\0'};
1039
1040     TRACE("(%p)\n", nativeFamily);
1041
1042     if (nativeFamily == NULL) return InvalidParameter;
1043
1044     stat = GdipCreateFontFamilyFromName(MicrosoftSansSerif, NULL, nativeFamily);
1045
1046     if (stat == FontFamilyNotFound)
1047         /* FIXME: Microsoft Sans Serif is not installed on Wine. */
1048         stat = GdipCreateFontFamilyFromName(Tahoma, NULL, nativeFamily);
1049
1050     return stat;
1051 }
1052
1053 /*****************************************************************************
1054  * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
1055  */
1056 GpStatus WINGDIPAPI GdipNewPrivateFontCollection(GpFontCollection** fontCollection)
1057 {
1058     TRACE("%p\n", fontCollection);
1059
1060     if (!fontCollection)
1061         return InvalidParameter;
1062
1063     *fontCollection = GdipAlloc(sizeof(GpFontCollection));
1064     if (!*fontCollection) return OutOfMemory;
1065
1066     (*fontCollection)->FontFamilies = NULL;
1067     (*fontCollection)->count = 0;
1068     (*fontCollection)->allocated = 0;
1069
1070     TRACE("<-- %p\n", *fontCollection);
1071
1072     return Ok;
1073 }
1074
1075 /*****************************************************************************
1076  * GdipDeletePrivateFontCollection [GDIPLUS.@]
1077  */
1078 GpStatus WINGDIPAPI GdipDeletePrivateFontCollection(GpFontCollection **fontCollection)
1079 {
1080     INT i;
1081
1082     TRACE("%p\n", fontCollection);
1083
1084     if (!fontCollection)
1085         return InvalidParameter;
1086
1087     for (i = 0; i < (*fontCollection)->count; i++) GdipFree((*fontCollection)->FontFamilies[i]);
1088     GdipFree(*fontCollection);
1089
1090     return Ok;
1091 }
1092
1093 /*****************************************************************************
1094  * GdipPrivateAddFontFile [GDIPLUS.@]
1095  */
1096 GpStatus WINGDIPAPI GdipPrivateAddFontFile(GpFontCollection* fontCollection,
1097         GDIPCONST WCHAR* filename)
1098 {
1099     FIXME("stub: %p, %s\n", fontCollection, debugstr_w(filename));
1100
1101     if (!(fontCollection && filename))
1102         return InvalidParameter;
1103
1104     return NotImplemented;
1105 }
1106
1107 /* Copied from msi/font.c */
1108
1109 typedef struct _tagTT_OFFSET_TABLE {
1110     USHORT uMajorVersion;
1111     USHORT uMinorVersion;
1112     USHORT uNumOfTables;
1113     USHORT uSearchRange;
1114     USHORT uEntrySelector;
1115     USHORT uRangeShift;
1116 } TT_OFFSET_TABLE;
1117
1118 typedef struct _tagTT_TABLE_DIRECTORY {
1119     char szTag[4]; /* table name */
1120     ULONG uCheckSum; /* Check sum */
1121     ULONG uOffset; /* Offset from beginning of file */
1122     ULONG uLength; /* length of the table in bytes */
1123 } TT_TABLE_DIRECTORY;
1124
1125 typedef struct _tagTT_NAME_TABLE_HEADER {
1126     USHORT uFSelector; /* format selector. Always 0 */
1127     USHORT uNRCount; /* Name Records count */
1128     USHORT uStorageOffset; /* Offset for strings storage,
1129                             * from start of the table */
1130 } TT_NAME_TABLE_HEADER;
1131
1132 #define NAME_ID_FULL_FONT_NAME  4
1133 #define NAME_ID_VERSION         5
1134
1135 typedef struct _tagTT_NAME_RECORD {
1136     USHORT uPlatformID;
1137     USHORT uEncodingID;
1138     USHORT uLanguageID;
1139     USHORT uNameID;
1140     USHORT uStringLength;
1141     USHORT uStringOffset; /* from start of storage area */
1142 } TT_NAME_RECORD;
1143
1144 #define SWAPWORD(x) MAKEWORD(HIBYTE(x), LOBYTE(x))
1145 #define SWAPLONG(x) MAKELONG(SWAPWORD(HIWORD(x)), SWAPWORD(LOWORD(x)))
1146
1147 /*
1148  * Code based off of code located here
1149  * http://www.codeproject.com/gdi/fontnamefromfile.asp
1150  */
1151 static WCHAR *load_ttf_name_id( const char *mem, DWORD_PTR size, DWORD id, WCHAR *ret, DWORD len )
1152 {
1153     const TT_TABLE_DIRECTORY *tblDir;
1154     TT_OFFSET_TABLE ttOffsetTable;
1155     TT_NAME_TABLE_HEADER ttNTHeader;
1156     TT_NAME_RECORD ttRecord;
1157     DWORD ofs, pos;
1158     int i;
1159
1160     if (sizeof(TT_OFFSET_TABLE) > size)
1161         return NULL;
1162     ttOffsetTable = *(TT_OFFSET_TABLE*)mem;
1163     ttOffsetTable.uNumOfTables = SWAPWORD(ttOffsetTable.uNumOfTables);
1164     ttOffsetTable.uMajorVersion = SWAPWORD(ttOffsetTable.uMajorVersion);
1165     ttOffsetTable.uMinorVersion = SWAPWORD(ttOffsetTable.uMinorVersion);
1166
1167     if (ttOffsetTable.uMajorVersion != 1 || ttOffsetTable.uMinorVersion != 0)
1168         return NULL;
1169
1170     pos = sizeof(ttOffsetTable);
1171     for (i = 0; i < ttOffsetTable.uNumOfTables; i++)
1172     {
1173         tblDir = (const TT_TABLE_DIRECTORY*)&mem[pos];
1174         pos += sizeof(*tblDir);
1175         if (memcmp(tblDir->szTag,"name",4)==0)
1176         {
1177             ofs = SWAPLONG(tblDir->uOffset);
1178             break;
1179         }
1180     }
1181     if (i >= ttOffsetTable.uNumOfTables)
1182         return NULL;
1183
1184     pos = ofs + sizeof(ttNTHeader);
1185     if (pos > size)
1186         return NULL;
1187     ttNTHeader = *(TT_NAME_TABLE_HEADER*)&mem[ofs];
1188     ttNTHeader.uNRCount = SWAPWORD(ttNTHeader.uNRCount);
1189     ttNTHeader.uStorageOffset = SWAPWORD(ttNTHeader.uStorageOffset);
1190     for(i=0; i<ttNTHeader.uNRCount; i++)
1191     {
1192         ttRecord = *(TT_NAME_RECORD*)&mem[pos];
1193         pos += sizeof(ttRecord);
1194         if (pos > size)
1195             return NULL;
1196
1197         ttRecord.uNameID = SWAPWORD(ttRecord.uNameID);
1198         if (ttRecord.uNameID == id)
1199         {
1200             const char *buf;
1201
1202             ttRecord.uStringLength = SWAPWORD(ttRecord.uStringLength);
1203             ttRecord.uStringOffset = SWAPWORD(ttRecord.uStringOffset);
1204             if (ofs + ttRecord.uStringOffset + ttNTHeader.uStorageOffset + ttRecord.uStringLength > size)
1205                 return NULL;
1206             buf = mem + ofs + ttRecord.uStringOffset + ttNTHeader.uStorageOffset;
1207             len = MultiByteToWideChar(CP_ACP, 0, buf, ttRecord.uStringLength, ret, len-1);
1208             ret[len] = 0;
1209             return ret;
1210         }
1211     }
1212     return NULL;
1213 }
1214
1215 static INT CALLBACK add_font_proc(const LOGFONTW *lfw, const TEXTMETRICW *ntm, DWORD type, LPARAM lParam);
1216
1217 /*****************************************************************************
1218  * GdipPrivateAddMemoryFont [GDIPLUS.@]
1219  */
1220 GpStatus WINGDIPAPI GdipPrivateAddMemoryFont(GpFontCollection* fontCollection,
1221         GDIPCONST void* memory, INT length)
1222 {
1223     WCHAR buf[32], *name;
1224     DWORD count = 0;
1225     HANDLE font;
1226     TRACE("%p, %p, %d\n", fontCollection, memory, length);
1227
1228     if (!fontCollection || !memory || !length)
1229         return InvalidParameter;
1230
1231     name = load_ttf_name_id(memory, length, NAME_ID_FULL_FONT_NAME, buf, sizeof(buf)/sizeof(*buf));
1232     if (!name)
1233         return OutOfMemory;
1234
1235     font = AddFontMemResourceEx((void*)memory, length, NULL, &count);
1236     TRACE("%s: %p/%u\n", debugstr_w(name), font, count);
1237     if (!font || !count)
1238         return InvalidParameter;
1239
1240     if (count)
1241     {
1242         HDC hdc;
1243         LOGFONTW lfw;
1244
1245         hdc = GetDC(0);
1246
1247         lfw.lfCharSet = DEFAULT_CHARSET;
1248         lstrcpyW(lfw.lfFaceName, name);
1249         lfw.lfPitchAndFamily = 0;
1250
1251         if (!EnumFontFamiliesExW(hdc, &lfw, add_font_proc, (LPARAM)fontCollection, 0))
1252         {
1253             ReleaseDC(0, hdc);
1254             return OutOfMemory;
1255         }
1256
1257         ReleaseDC(0, hdc);
1258     }
1259     return Ok;
1260 }
1261
1262 /*****************************************************************************
1263  * GdipGetFontCollectionFamilyCount [GDIPLUS.@]
1264  */
1265 GpStatus WINGDIPAPI GdipGetFontCollectionFamilyCount(
1266         GpFontCollection* fontCollection, INT* numFound)
1267 {
1268     TRACE("%p, %p\n", fontCollection, numFound);
1269
1270     if (!(fontCollection && numFound))
1271         return InvalidParameter;
1272
1273     *numFound = fontCollection->count;
1274     return Ok;
1275 }
1276
1277 /*****************************************************************************
1278  * GdipGetFontCollectionFamilyList [GDIPLUS.@]
1279  */
1280 GpStatus WINGDIPAPI GdipGetFontCollectionFamilyList(
1281         GpFontCollection* fontCollection, INT numSought,
1282         GpFontFamily* gpfamilies[], INT* numFound)
1283 {
1284     INT i;
1285     GpStatus stat=Ok;
1286
1287     TRACE("%p, %d, %p, %p\n", fontCollection, numSought, gpfamilies, numFound);
1288
1289     if (!(fontCollection && gpfamilies && numFound))
1290         return InvalidParameter;
1291
1292     memset(gpfamilies, 0, sizeof(*gpfamilies) * numSought);
1293
1294     for (i = 0; i < numSought && i < fontCollection->count && stat == Ok; i++)
1295     {
1296         stat = GdipCloneFontFamily(fontCollection->FontFamilies[i], &gpfamilies[i]);
1297     }
1298
1299     if (stat == Ok)
1300         *numFound = i;
1301     else
1302     {
1303         int numToFree=i;
1304         for (i=0; i<numToFree; i++)
1305         {
1306             GdipDeleteFontFamily(gpfamilies[i]);
1307             gpfamilies[i] = NULL;
1308         }
1309     }
1310
1311     return stat;
1312 }
1313
1314 void free_installed_fonts(void)
1315 {
1316     while (installedFontCollection.count)
1317         GdipDeleteFontFamily(installedFontCollection.FontFamilies[--installedFontCollection.count]);
1318     HeapFree(GetProcessHeap(), 0, installedFontCollection.FontFamilies);
1319     installedFontCollection.FontFamilies = NULL;
1320     installedFontCollection.allocated = 0;
1321 }
1322
1323 static INT CALLBACK add_font_proc(const LOGFONTW *lfw, const TEXTMETRICW *ntm,
1324         DWORD type, LPARAM lParam)
1325 {
1326     GpFontCollection* fonts = (GpFontCollection*)lParam;
1327     int i;
1328
1329     if (type == RASTER_FONTTYPE)
1330         return 1;
1331
1332     /* skip duplicates */
1333     for (i=0; i<fonts->count; i++)
1334         if (strcmpiW(lfw->lfFaceName, fonts->FontFamilies[i]->FamilyName) == 0)
1335             return 1;
1336
1337     if (fonts->allocated == fonts->count)
1338     {
1339         INT new_alloc_count = fonts->allocated+50;
1340         GpFontFamily** new_family_list = HeapAlloc(GetProcessHeap(), 0, new_alloc_count*sizeof(void*));
1341
1342         if (!new_family_list)
1343             return 0;
1344
1345         memcpy(new_family_list, fonts->FontFamilies, fonts->count*sizeof(void*));
1346         HeapFree(GetProcessHeap(), 0, fonts->FontFamilies);
1347         fonts->FontFamilies = new_family_list;
1348         fonts->allocated = new_alloc_count;
1349     }
1350
1351     if (GdipCreateFontFamilyFromName(lfw->lfFaceName, NULL, &fonts->FontFamilies[fonts->count]) == Ok)
1352         fonts->count++;
1353     else
1354         return 0;
1355
1356     return 1;
1357 }
1358
1359 GpStatus WINGDIPAPI GdipNewInstalledFontCollection(
1360         GpFontCollection** fontCollection)
1361 {
1362     TRACE("(%p)\n",fontCollection);
1363
1364     if (!fontCollection)
1365         return InvalidParameter;
1366
1367     if (installedFontCollection.count == 0)
1368     {
1369         HDC hdc;
1370         LOGFONTW lfw;
1371
1372         hdc = GetDC(0);
1373
1374         lfw.lfCharSet = DEFAULT_CHARSET;
1375         lfw.lfFaceName[0] = 0;
1376         lfw.lfPitchAndFamily = 0;
1377
1378         if (!EnumFontFamiliesExW(hdc, &lfw, add_font_proc, (LPARAM)&installedFontCollection, 0))
1379         {
1380             free_installed_fonts();
1381             ReleaseDC(0, hdc);
1382             return OutOfMemory;
1383         }
1384
1385         ReleaseDC(0, hdc);
1386     }
1387
1388     *fontCollection = &installedFontCollection;
1389
1390     return Ok;
1391 }