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     WCHAR facename[LF_FACESIZE];
 209     GpStatus stat;
 210     int ret;
 211
 212     TRACE("(%p, %p, %p)\n", hdc, logfont, font);
 213
 214     if (!hdc || !logfont || !font)
 215         return InvalidParameter;
 216
 217     hfont = CreateFontIndirectW(logfont);
 218     oldfont = SelectObject(hdc, hfont);
 219     otm.otmSize = sizeof(otm);
 220     ret = GetOutlineTextMetricsW(hdc, otm.otmSize, &otm);
 221     GetTextFaceW(hdc, LF_FACESIZE, facename);
 222     SelectObject(hdc, oldfont);
 223     DeleteObject(hfont);
 224
 225     if (!ret) return NotTrueTypeFont;
 226
 227     *font = GdipAlloc(sizeof(GpFont));
 228     if (!*font) return OutOfMemory;
 229
 230     (*font)->unit = UnitWorld;
 231     (*font)->emSize = otm.otmTextMetrics.tmAscent;
 232     (*font)->otm = otm;
 233
 234     stat = GdipCreateFontFamilyFromName(facename, NULL, &(*font)->family);
 235     if (stat != Ok)
 236     {
 237         GdipFree(*font);
 238         return NotTrueTypeFont;
 239     }
 240
 241     TRACE("<-- %p\n", *font);
 242
 243     return Ok;
 244 }
 245
 246 /*******************************************************************************
 247  * GdipCreateFontFromLogfontA [GDIPLUS.@]
 248  */
 249 GpStatus WINGDIPAPI GdipCreateFontFromLogfontA(HDC hdc,
 250     GDIPCONST LOGFONTA *lfa, GpFont **font)
 251 {
 252     LOGFONTW lfw;
 253
 254     TRACE("(%p, %p, %p)\n", hdc, lfa, font);
 255
 256     if(!lfa || !font)
 257         return InvalidParameter;
 258
 259     memcpy(&lfw, lfa, FIELD_OFFSET(LOGFONTA,lfFaceName) );
 260
 261     if(!MultiByteToWideChar(CP_ACP, 0, lfa->lfFaceName, -1, lfw.lfFaceName, LF_FACESIZE))
 262         return GenericError;
 263
 264     return GdipCreateFontFromLogfontW(hdc, &lfw, font);
 265 }
 266
 267 /*******************************************************************************
 268  * GdipDeleteFont [GDIPLUS.@]
 269  */
 270 GpStatus WINGDIPAPI GdipDeleteFont(GpFont* font)
 271 {
 272     TRACE("(%p)\n", font);
 273
 274     if(!font)
 275         return InvalidParameter;
 276
 277     GdipDeleteFontFamily(font->family);
 278     GdipFree(font);
 279
 280     return Ok;
 281 }
 282
 283 /*******************************************************************************
 284  * GdipCreateFontFromDC [GDIPLUS.@]
 285  */
 286 GpStatus WINGDIPAPI GdipCreateFontFromDC(HDC hdc, GpFont **font)
 287 {
 288     HFONT hfont;
 289     LOGFONTW lfw;
 290
 291     TRACE("(%p, %p)\n", hdc, font);
 292
 293     if(!font)
 294         return InvalidParameter;
 295
 296     hfont = GetCurrentObject(hdc, OBJ_FONT);
 297     if(!hfont)
 298         return GenericError;
 299
 300     if(!GetObjectW(hfont, sizeof(LOGFONTW), &lfw))
 301         return GenericError;
 302
 303     return GdipCreateFontFromLogfontW(hdc, &lfw, font);
 304 }
 305
 306 /*******************************************************************************
 307  * GdipGetFamily [GDIPLUS.@]
 308  *
 309  * Returns the FontFamily for the specified Font
 310  *
 311  * PARAMS
 312  *  font    [I] Font to request from
 313  *  family  [O] Resulting FontFamily object
 314  *
 315  * RETURNS
 316  *  SUCCESS: Ok
 317  *  FAILURE: An element of GpStatus
 318  */
 319 GpStatus WINGDIPAPI GdipGetFamily(GpFont *font, GpFontFamily **family)
 320 {
 321     TRACE("%p %p\n", font, family);
 322
 323     if (!(font && family))
 324         return InvalidParameter;
 325
 326     return GdipCloneFontFamily(font->family, family);
 327 }
 328
 329 static REAL get_font_size(const GpFont *font)
 330 {
 331     return font->emSize;
 332 }
 333
 334 /******************************************************************************
 335  * GdipGetFontSize [GDIPLUS.@]
 336  *
 337  * Returns the size of the font in Units
 338  *
 339  * PARAMS
 340  *  *font       [I] The font to retrieve size from
 341  *  *size       [O] Pointer to hold retrieved value
 342  *
 343  * RETURNS
 344  *  SUCCESS: Ok
 345  *  FAILURE: InvalidParameter (font or size was NULL)
 346  *
 347  * NOTES
 348  *  Size returned is actually emSize -- not internal size used for drawing.
 349  */
 350 GpStatus WINGDIPAPI GdipGetFontSize(GpFont *font, REAL *size)
 351 {
 352     TRACE("(%p, %p)\n", font, size);
 353
 354     if (!(font && size)) return InvalidParameter;
 355
 356     *size = get_font_size(font);
 357     TRACE("%s,%d => %f\n", debugstr_w(font->family->FamilyName), font->otm.otmTextMetrics.tmHeight, *size);
 358
 359     return Ok;
 360 }
 361
 362 static INT get_font_style(const GpFont *font)
 363 {
 364     INT style;
 365
 366     if (font->otm.otmTextMetrics.tmWeight > FW_REGULAR)
 367         style = FontStyleBold;
 368     else
 369         style = FontStyleRegular;
 370     if (font->otm.otmTextMetrics.tmItalic)
 371         style |= FontStyleItalic;
 372     if (font->otm.otmTextMetrics.tmUnderlined)
 373         style |= FontStyleUnderline;
 374     if (font->otm.otmTextMetrics.tmStruckOut)
 375         style |= FontStyleStrikeout;
 376
 377     return style;
 378 }
 379
 380 /*******************************************************************************
 381  * GdipGetFontStyle [GDIPLUS.@]
 382  *
 383  * Gets the font's style, returned in bitwise OR of FontStyle enumeration
 384  *
 385  * PARAMS
 386  *  font    [I] font to request from
 387  *  style   [O] resulting pointer to a FontStyle enumeration
 388  *
 389  * RETURNS
 390  *  SUCCESS: Ok
 391  *  FAILURE: InvalidParameter
 392  */
 393 GpStatus WINGDIPAPI GdipGetFontStyle(GpFont *font, INT *style)
 394 {
 395     TRACE("%p %p\n", font, style);
 396
 397     if (!(font && style))
 398         return InvalidParameter;
 399
 400     *style = get_font_style(font);
 401     TRACE("%s,%d => %d\n", debugstr_w(font->family->FamilyName), font->otm.otmTextMetrics.tmHeight, *style);
 402
 403     return Ok;
 404 }
 405
 406 /*******************************************************************************
 407  * GdipGetFontUnit  [GDIPLUS.@]
 408  *
 409  * PARAMS
 410  *  font    [I] Font to retrieve from
 411  *  unit    [O] Return value
 412  *
 413  * RETURNS
 414  *  FAILURE: font or unit was NULL
 415  *  OK: otherwise
 416  */
 417 GpStatus WINGDIPAPI GdipGetFontUnit(GpFont *font, Unit *unit)
 418 {
 419     TRACE("(%p, %p)\n", font, unit);
 420
 421     if (!(font && unit)) return InvalidParameter;
 422
 423     *unit = font->unit;
 424     TRACE("%s,%d => %d\n", debugstr_w(font->family->FamilyName), font->otm.otmTextMetrics.tmHeight, *unit);
 425
 426     return Ok;
 427 }
 428
 429 /*******************************************************************************
 430  * GdipGetLogFontA [GDIPLUS.@]
 431  */
 432 GpStatus WINGDIPAPI GdipGetLogFontA(GpFont *font, GpGraphics *graphics,
 433     LOGFONTA *lfa)
 434 {
 435     GpStatus status;
 436     LOGFONTW lfw;
 437
 438     TRACE("(%p, %p, %p)\n", font, graphics, lfa);
 439
 440     status = GdipGetLogFontW(font, graphics, &lfw);
 441     if(status != Ok)
 442         return status;
 443
 444     memcpy(lfa, &lfw, FIELD_OFFSET(LOGFONTA,lfFaceName) );
 445
 446     if(!WideCharToMultiByte(CP_ACP, 0, lfw.lfFaceName, -1, lfa->lfFaceName, LF_FACESIZE, NULL, NULL))
 447         return GenericError;
 448
 449     return Ok;
 450 }
 451
 452 /*******************************************************************************
 453  * GdipGetLogFontW [GDIPLUS.@]
 454  */
 455 GpStatus WINGDIPAPI GdipGetLogFontW(GpFont *font, GpGraphics *graphics, LOGFONTW *lf)
 456 {
 457     REAL angle, rel_height, height;
 458     GpMatrix *matrix;
 459     GpPointF pt[3];
 460
 461     TRACE("(%p, %p, %p)\n", font, graphics, lf);
 462
 463     if (!font || !graphics || !lf)
 464         return InvalidParameter;
 465
 466     GdipCloneMatrix(graphics->worldtrans, &matrix);
 467
 468     if (font->unit == UnitPixel)
 469     {
 470         height = units_to_pixels(font->emSize, graphics->unit, graphics->yres);
 471         if (graphics->unit != UnitDisplay)
 472             GdipScaleMatrix(matrix, graphics->scale, graphics->scale, MatrixOrderAppend);
 473     }
 474     else
 475     {
 476         if (graphics->unit == UnitDisplay || graphics->unit == UnitPixel)
 477             height = units_to_pixels(font->emSize, font->unit, graphics->xres);
 478         else
 479             height = units_to_pixels(font->emSize, font->unit, graphics->yres);
 480     }
 481
 482     pt[0].X = 0.0;
 483     pt[0].Y = 0.0;
 484     pt[1].X = 1.0;
 485     pt[1].Y = 0.0;
 486     pt[2].X = 0.0;
 487     pt[2].Y = 1.0;
 488     GdipTransformMatrixPoints(matrix, pt, 3);
 489     angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
 490     rel_height = sqrt((pt[2].Y - pt[0].Y) * (pt[2].Y - pt[0].Y)+
 491                       (pt[2].X - pt[0].X) * (pt[2].X - pt[0].X));
 492     GdipDeleteMatrix(matrix);
 493
 494     lf->lfHeight = -gdip_round(height * rel_height);
 495     lf->lfWidth = 0;
 496     lf->lfEscapement = lf->lfOrientation = gdip_round((angle / M_PI) * 1800.0);
 497     if (lf->lfEscapement < 0)
 498     {
 499         lf->lfEscapement += 3600;
 500         lf->lfOrientation += 3600;
 501     }
 502     lf->lfWeight = font->otm.otmTextMetrics.tmWeight;
 503     lf->lfItalic = font->otm.otmTextMetrics.tmItalic ? 1 : 0;
 504     lf->lfUnderline = font->otm.otmTextMetrics.tmUnderlined ? 1 : 0;
 505     lf->lfStrikeOut = font->otm.otmTextMetrics.tmStruckOut ? 1 : 0;
 506     lf->lfCharSet = font->otm.otmTextMetrics.tmCharSet;
 507     lf->lfOutPrecision = OUT_DEFAULT_PRECIS;
 508     lf->lfClipPrecision = CLIP_DEFAULT_PRECIS;
 509     lf->lfQuality = DEFAULT_QUALITY;
 510     lf->lfPitchAndFamily = 0;
 511     strcpyW(lf->lfFaceName, font->family->FamilyName);
 512
 513     TRACE("=> %s,%d\n", debugstr_w(lf->lfFaceName), lf->lfHeight);
 514
 515     return Ok;
 516 }
 517
 518 /*******************************************************************************
 519  * GdipCloneFont [GDIPLUS.@]
 520  */
 521 GpStatus WINGDIPAPI GdipCloneFont(GpFont *font, GpFont **cloneFont)
 522 {
 523     GpStatus stat;
 524
 525     TRACE("(%p, %p)\n", font, cloneFont);
 526
 527     if(!font || !cloneFont)
 528         return InvalidParameter;
 529
 530     *cloneFont = GdipAlloc(sizeof(GpFont));
 531     if(!*cloneFont)    return OutOfMemory;
 532
 533     **cloneFont = *font;
 534     stat = GdipCloneFontFamily(font->family, &(*cloneFont)->family);
 535     if (stat != Ok) GdipFree(*cloneFont);
 536
 537     return stat;
 538 }
 539
 540 /*******************************************************************************
 541  * GdipGetFontHeight [GDIPLUS.@]
 542  * PARAMS
 543  *  font        [I] Font to retrieve height from
 544  *  graphics    [I] The current graphics context
 545  *  height      [O] Resulting height
 546  * RETURNS
 547  *  SUCCESS: Ok
 548  *  FAILURE: Another element of GpStatus
 549  *
 550  * NOTES
 551  *  Forwards to GdipGetFontHeightGivenDPI
 552  */
 553 GpStatus WINGDIPAPI GdipGetFontHeight(GDIPCONST GpFont *font,
 554         GDIPCONST GpGraphics *graphics, REAL *height)
 555 {
 556     REAL dpi;
 557     GpStatus stat;
 558     REAL font_height;
 559
 560     TRACE("%p %p %p\n", font, graphics, height);
 561
 562     stat = GdipGetFontHeightGivenDPI(font, font->family->dpi, &font_height);
 563     if (stat != Ok) return stat;
 564
 565     if (!graphics)
 566     {
 567         *height = font_height;
 568         TRACE("%s,%d => %f\n",
 569               debugstr_w(font->family->FamilyName), font->otm.otmTextMetrics.tmHeight, *height);
 570         return Ok;
 571     }
 572
 573     stat = GdipGetDpiY((GpGraphics *)graphics, &dpi);
 574     if (stat != Ok) return stat;
 575
 576     *height = pixels_to_units(font_height, graphics->unit, dpi);
 577
 578     TRACE("%s,%d(unit %d) => %f\n",
 579           debugstr_w(font->family->FamilyName), font->otm.otmTextMetrics.tmHeight, graphics->unit, *height);
 580     return Ok;
 581 }
 582
 583 /*******************************************************************************
 584  * GdipGetFontHeightGivenDPI [GDIPLUS.@]
 585  * PARAMS
 586  *  font        [I] Font to retrieve DPI from
 587  *  dpi         [I] DPI to assume
 588  *  height      [O] Return value
 589  *
 590  * RETURNS
 591  *  SUCCESS: Ok
 592  *  FAILURE: InvalidParameter if font or height is NULL
 593  *
 594  * NOTES
 595  *  According to MSDN, the result is (lineSpacing)*(fontSize / emHeight)*dpi
 596  *  (for anything other than unit Pixel)
 597  */
 598 GpStatus WINGDIPAPI GdipGetFontHeightGivenDPI(GDIPCONST GpFont *font, REAL dpi, REAL *height)
 599 {
 600     GpStatus stat;
 601     INT style;
 602     UINT16 line_spacing, em_height;
 603     REAL font_size;
 604
 605     if (!font || !height) return InvalidParameter;
 606
 607     TRACE("%p (%s), %f, %p\n", font,
 608             debugstr_w(font->family->FamilyName), dpi, height);
 609
 610     font_size = units_to_pixels(get_font_size(font), font->unit, dpi);
 611     style = get_font_style(font);
 612     stat = GdipGetLineSpacing(font->family, style, &line_spacing);
 613     if (stat != Ok) return stat;
 614     stat = GdipGetEmHeight(font->family, style, &em_height);
 615     if (stat != Ok) return stat;
 616
 617     *height = (REAL)line_spacing * font_size / (REAL)em_height;
 618
 619     TRACE("%s,%d => %f\n",
 620           debugstr_w(font->family->FamilyName), font->otm.otmTextMetrics.tmHeight, *height);
 621
 622     return Ok;
 623 }
 624
 625 /***********************************************************************
 626  * Borrowed from GDI32:
 627  *
 628  * Elf is really an ENUMLOGFONTEXW, and ntm is a NEWTEXTMETRICEXW.
 629  *     We have to use other types because of the FONTENUMPROCW definition.
 630  */
 631 static INT CALLBACK is_font_installed_proc(const LOGFONTW *elf,
 632                             const TEXTMETRICW *ntm, DWORD type, LPARAM lParam)
 633 {
 634     if (type & RASTER_FONTTYPE)
 635         return 1;
 636
 637     *(LOGFONTW *)lParam = *elf;
 638
 639     return 0;
 640 }
 641
 642 struct font_metrics
 643 {
 644     WCHAR facename[LF_FACESIZE];
 645     UINT16 em_height, ascent, descent, line_spacing; /* in font units */
 646     int dpi;
 647 };
 648
 649 static BOOL get_font_metrics(HDC hdc, struct font_metrics *fm)
 650 {
 651     OUTLINETEXTMETRICW otm;
 652     TT_OS2_V2 tt_os2;
 653     TT_HHEA tt_hori;
 654     LONG size;
 655     UINT16 line_gap;
 656
 657     otm.otmSize = sizeof(otm);
 658     if (!GetOutlineTextMetricsW(hdc, otm.otmSize, &otm)) return FALSE;
 659
 660     GetTextFaceW(hdc, LF_FACESIZE, fm->facename);
 661
 662     fm->em_height = otm.otmEMSquare;
 663     fm->dpi = GetDeviceCaps(hdc, LOGPIXELSY);
 664
 665     memset(&tt_hori, 0, sizeof(tt_hori));
 666     if (GetFontData(hdc, MS_HHEA_TAG, 0, &tt_hori, sizeof(tt_hori)) != GDI_ERROR)
 667     {
 668         fm->ascent = GET_BE_WORD(tt_hori.Ascender);
 669         fm->descent = -GET_BE_WORD(tt_hori.Descender);
 670         TRACE("hhea: ascent %d, descent %d\n", fm->ascent, fm->descent);
 671         line_gap = GET_BE_WORD(tt_hori.LineGap);
 672         fm->line_spacing = fm->ascent + fm->descent + line_gap;
 673         TRACE("line_gap %u, line_spacing %u\n", line_gap, fm->line_spacing);
 674         if (fm->ascent + fm->descent != 0) return TRUE;
 675     }
 676
 677     size = GetFontData(hdc, MS_OS2_TAG, 0, NULL, 0);
 678     if (size == GDI_ERROR) return FALSE;
 679
 680     if (size > sizeof(tt_os2)) size = sizeof(tt_os2);
 681
 682     memset(&tt_os2, 0, sizeof(tt_os2));
 683     if (GetFontData(hdc, MS_OS2_TAG, 0, &tt_os2, size) != size) return FALSE;
 684
 685     fm->ascent = GET_BE_WORD(tt_os2.usWinAscent);
 686     fm->descent = GET_BE_WORD(tt_os2.usWinDescent);
 687     TRACE("usWinAscent %u, usWinDescent %u\n", fm->ascent, fm->descent);
 688     if (fm->ascent + fm->descent == 0)
 689     {
 690         fm->ascent = GET_BE_WORD(tt_os2.sTypoAscender);
 691         fm->descent = GET_BE_WORD(tt_os2.sTypoDescender);
 692         TRACE("sTypoAscender %u, sTypoDescender %u\n", fm->ascent, fm->descent);
 693     }
 694     line_gap = GET_BE_WORD(tt_os2.sTypoLineGap);
 695     fm->line_spacing = fm->ascent + fm->descent + line_gap;
 696     TRACE("line_gap %u, line_spacing %u\n", line_gap, fm->line_spacing);
 697     return TRUE;
 698 }
 699
 700 static GpStatus find_installed_font(const WCHAR *name, struct font_metrics *fm)
 701 {
 702     LOGFONTW lf;
 703     HDC hdc = CreateCompatibleDC(0);
 704     GpStatus ret = FontFamilyNotFound;
 705
 706     if(!EnumFontFamiliesW(hdc, name, is_font_installed_proc, (LPARAM)&lf))
 707     {
 708         HFONT hfont, old_font;
 709
 710         hfont = CreateFontIndirectW(&lf);
 711         old_font = SelectObject(hdc, hfont);
 712         ret = get_font_metrics(hdc, fm) ? Ok : NotTrueTypeFont;
 713         SelectObject(hdc, old_font);
 714         DeleteObject(hfont);
 715     }
 716
 717     DeleteDC(hdc);
 718     return ret;
 719 }
 720
 721 /*******************************************************************************
 722  * GdipCreateFontFamilyFromName [GDIPLUS.@]
 723  *
 724  * Creates a font family object based on a supplied name
 725  *
 726  * PARAMS
 727  *  name               [I] Name of the font
 728  *  fontCollection     [I] What font collection (if any) the font belongs to (may be NULL)
 729  *  FontFamily         [O] Pointer to the resulting FontFamily object
 730  *
 731  * RETURNS
 732  *  SUCCESS: Ok
 733  *  FAILURE: FamilyNotFound if the requested FontFamily does not exist on the system
 734  *  FAILURE: Invalid parameter if FontFamily or name is NULL
 735  *
 736  * NOTES
 737  *   If fontCollection is NULL then the object is not part of any collection
 738  *
 739  */
 740
 741 GpStatus WINGDIPAPI GdipCreateFontFamilyFromName(GDIPCONST WCHAR *name,
 742                                         GpFontCollection *fontCollection,
 743                                         GpFontFamily **FontFamily)
 744 {
 745     GpStatus stat;
 746     GpFontFamily* ffamily;
 747     struct font_metrics fm;
 748
 749     TRACE("%s, %p %p\n", debugstr_w(name), fontCollection, FontFamily);
 750
 751     if (!(name && FontFamily))
 752         return InvalidParameter;
 753     if (fontCollection)
 754         FIXME("No support for FontCollections yet!\n");
 755
 756     stat = find_installed_font(name, &fm);
 757     if (stat != Ok) return stat;
 758
 759     ffamily = GdipAlloc(sizeof (GpFontFamily));
 760     if (!ffamily) return OutOfMemory;
 761
 762     lstrcpyW(ffamily->FamilyName, fm.facename);
 763     ffamily->em_height = fm.em_height;
 764     ffamily->ascent = fm.ascent;
 765     ffamily->descent = fm.descent;
 766     ffamily->line_spacing = fm.line_spacing;
 767     ffamily->dpi = fm.dpi;
 768
 769     *FontFamily = ffamily;
 770
 771     TRACE("<-- %p\n", ffamily);
 772
 773     return Ok;
 774 }
 775
 776 static GpStatus clone_font_family(const GpFontFamily *family, GpFontFamily **clone)
 777 {
 778     *clone = GdipAlloc(sizeof(GpFontFamily));
 779     if (!*clone) return OutOfMemory;
 780
 781     **clone = *family;
 782
 783     return Ok;
 784 }
 785
 786 /*******************************************************************************
 787  * GdipCloneFontFamily [GDIPLUS.@]
 788  *
 789  * Creates a deep copy of a Font Family object
 790  *
 791  * PARAMS
 792  *  FontFamily          [I] Font to clone
 793  *  clonedFontFamily    [O] The resulting cloned font
 794  *
 795  * RETURNS
 796  *  SUCCESS: Ok
 797  */
 798 GpStatus WINGDIPAPI GdipCloneFontFamily(GpFontFamily* FontFamily, GpFontFamily** clonedFontFamily)
 799 {
 800     GpStatus status;
 801
 802     if (!(FontFamily && clonedFontFamily)) return InvalidParameter;
 803
 804     TRACE("%p (%s), %p\n", FontFamily,
 805             debugstr_w(FontFamily->FamilyName), clonedFontFamily);
 806
 807     status = clone_font_family(FontFamily, clonedFontFamily);
 808     if (status != Ok) return status;
 809
 810     TRACE("<-- %p\n", *clonedFontFamily);
 811
 812     return Ok;
 813 }
 814
 815 /*******************************************************************************
 816  * GdipGetFamilyName [GDIPLUS.@]
 817  *
 818  * Returns the family name into name
 819  *
 820  * PARAMS
 821  *  *family     [I] Family to retrieve from
 822  *  *name       [O] WCHARS of the family name
 823  *  LANGID      [I] charset
 824  *
 825  * RETURNS
 826  *  SUCCESS: Ok
 827  *  FAILURE: InvalidParameter if family is NULL
 828  *
 829  * NOTES
 830  *   If name is a NULL ptr, then both XP and Vista will crash (so we do as well)
 831  */
 832 GpStatus WINGDIPAPI GdipGetFamilyName (GDIPCONST GpFontFamily *family,
 833                                        WCHAR *name, LANGID language)
 834 {
 835     static int lang_fixme;
 836
 837     if (family == NULL)
 838          return InvalidParameter;
 839
 840     TRACE("%p, %p, %d\n", family, name, language);
 841
 842     if (language != LANG_NEUTRAL && !lang_fixme++)
 843         FIXME("No support for handling of multiple languages!\n");
 844
 845     lstrcpynW (name, family->FamilyName, LF_FACESIZE);
 846
 847     return Ok;
 848 }
 849
 850
 851 /*****************************************************************************
 852  * GdipDeleteFontFamily [GDIPLUS.@]
 853  *
 854  * Removes the specified FontFamily
 855  *
 856  * PARAMS
 857  *  *FontFamily         [I] The family to delete
 858  *
 859  * RETURNS
 860  *  SUCCESS: Ok
 861  *  FAILURE: InvalidParameter if FontFamily is NULL.
 862  *
 863  */
 864 GpStatus WINGDIPAPI GdipDeleteFontFamily(GpFontFamily *FontFamily)
 865 {
 866     if (!FontFamily)
 867         return InvalidParameter;
 868     TRACE("Deleting %p (%s)\n", FontFamily, debugstr_w(FontFamily->FamilyName));
 869
 870     GdipFree (FontFamily);
 871
 872     return Ok;
 873 }
 874
 875 GpStatus WINGDIPAPI GdipGetCellAscent(GDIPCONST GpFontFamily *family,
 876         INT style, UINT16* CellAscent)
 877 {
 878     if (!(family && CellAscent)) return InvalidParameter;
 879
 880     *CellAscent = family->ascent;
 881     TRACE("%s => %u\n", debugstr_w(family->FamilyName), *CellAscent);
 882
 883     return Ok;
 884 }
 885
 886 GpStatus WINGDIPAPI GdipGetCellDescent(GDIPCONST GpFontFamily *family,
 887         INT style, UINT16* CellDescent)
 888 {
 889     TRACE("(%p, %d, %p)\n", family, style, CellDescent);
 890
 891     if (!(family && CellDescent)) return InvalidParameter;
 892
 893     *CellDescent = family->descent;
 894     TRACE("%s => %u\n", debugstr_w(family->FamilyName), *CellDescent);
 895
 896     return Ok;
 897 }
 898
 899 /*******************************************************************************
 900  * GdipGetEmHeight [GDIPLUS.@]
 901  *
 902  * Gets the height of the specified family in EmHeights
 903  *
 904  * PARAMS
 905  *  family      [I] Family to retrieve from
 906  *  style       [I] (optional) style
 907  *  EmHeight    [O] return value
 908  *
 909  * RETURNS
 910  *  SUCCESS: Ok
 911  *  FAILURE: InvalidParameter
 912  */
 913 GpStatus WINGDIPAPI GdipGetEmHeight(GDIPCONST GpFontFamily *family, INT style, UINT16* EmHeight)
 914 {
 915     if (!(family && EmHeight)) return InvalidParameter;
 916
 917     TRACE("%p (%s), %d, %p\n", family, debugstr_w(family->FamilyName), style, EmHeight);
 918
 919     *EmHeight = family->em_height;
 920     TRACE("%s => %u\n", debugstr_w(family->FamilyName), *EmHeight);
 921
 922     return Ok;
 923 }
 924
 925
 926 /*******************************************************************************
 927  * GdipGetLineSpacing [GDIPLUS.@]
 928  *
 929  * Returns the line spacing in design units
 930  *
 931  * PARAMS
 932  *  family      [I] Family to retrieve from
 933  *  style       [I] (Optional) font style
 934  *  LineSpacing [O] Return value
 935  *
 936  * RETURNS
 937  *  SUCCESS: Ok
 938  *  FAILURE: InvalidParameter (family or LineSpacing was NULL)
 939  */
 940 GpStatus WINGDIPAPI GdipGetLineSpacing(GDIPCONST GpFontFamily *family,
 941         INT style, UINT16* LineSpacing)
 942 {
 943     TRACE("%p, %d, %p\n", family, style, LineSpacing);
 944
 945     if (!(family && LineSpacing))
 946         return InvalidParameter;
 947
 948     if (style) FIXME("ignoring style\n");
 949
 950     *LineSpacing = family->line_spacing;
 951     TRACE("%s => %u\n", debugstr_w(family->FamilyName), *LineSpacing);
 952
 953     return Ok;
 954 }
 955
 956 static INT CALLBACK font_has_style_proc(const LOGFONTW *elf,
 957                             const TEXTMETRICW *ntm, DWORD type, LPARAM lParam)
 958 {
 959     INT fontstyle = FontStyleRegular;
 960
 961     if (!ntm) return 1;
 962
 963     if (ntm->tmWeight >= FW_BOLD) fontstyle |= FontStyleBold;
 964     if (ntm->tmItalic) fontstyle |= FontStyleItalic;
 965     if (ntm->tmUnderlined) fontstyle |= FontStyleUnderline;
 966     if (ntm->tmStruckOut) fontstyle |= FontStyleStrikeout;
 967
 968     return (INT)lParam != fontstyle;
 969 }
 970
 971 GpStatus WINGDIPAPI GdipIsStyleAvailable(GDIPCONST GpFontFamily* family,
 972         INT style, BOOL* IsStyleAvailable)
 973 {
 974     HDC hdc;
 975
 976     TRACE("%p %d %p\n", family, style, IsStyleAvailable);
 977
 978     if (!(family && IsStyleAvailable))
 979         return InvalidParameter;
 980
 981     *IsStyleAvailable = FALSE;
 982
 983     hdc = GetDC(0);
 984
 985     if(!EnumFontFamiliesW(hdc, family->FamilyName, font_has_style_proc, (LPARAM)style))
 986         *IsStyleAvailable = TRUE;
 987
 988     ReleaseDC(0, hdc);
 989
 990     return Ok;
 991 }
 992
 993 /*****************************************************************************
 994  * GdipGetGenericFontFamilyMonospace [GDIPLUS.@]
 995  *
 996  * Obtains a serif family (Courier New on Windows)
 997  *
 998  * PARAMS
 999  *  **nativeFamily         [I] Where the font will be stored
1000  *
1001  * RETURNS
1002  *  InvalidParameter if nativeFamily is NULL.
1003  *  Ok otherwise.
1004  */
1005 GpStatus WINGDIPAPI GdipGetGenericFontFamilyMonospace(GpFontFamily **nativeFamily)
1006 {
1007     static const WCHAR CourierNew[] = {'C','o','u','r','i','e','r',' ','N','e','w','\0'};
1008     static const WCHAR LiberationMono[] = {'L','i','b','e','r','a','t','i','o','n',' ','M','o','n','o','\0'};
1009     GpStatus stat;
1010
1011     if (nativeFamily == NULL) return InvalidParameter;
1012
1013     stat = GdipCreateFontFamilyFromName(CourierNew, NULL, nativeFamily);
1014
1015     if (stat == FontFamilyNotFound)
1016         stat = GdipCreateFontFamilyFromName(LiberationMono, NULL, nativeFamily);
1017
1018     if (stat == FontFamilyNotFound)
1019         ERR("Missing 'Courier New' font\n");
1020
1021     return stat;
1022 }
1023
1024 /*****************************************************************************
1025  * GdipGetGenericFontFamilySerif [GDIPLUS.@]
1026  *
1027  * Obtains a serif family (Times New Roman on Windows)
1028  *
1029  * PARAMS
1030  *  **nativeFamily         [I] Where the font will be stored
1031  *
1032  * RETURNS
1033  *  InvalidParameter if nativeFamily is NULL.
1034  *  Ok otherwise.
1035  */
1036 GpStatus WINGDIPAPI GdipGetGenericFontFamilySerif(GpFontFamily **nativeFamily)
1037 {
1038     static const WCHAR TimesNewRoman[] = {'T','i','m','e','s',' ','N','e','w',' ','R','o','m','a','n','\0'};
1039     static const WCHAR LiberationSerif[] = {'L','i','b','e','r','a','t','i','o','n',' ','S','e','r','i','f','\0'};
1040     GpStatus stat;
1041
1042     TRACE("(%p)\n", nativeFamily);
1043
1044     if (nativeFamily == NULL) return InvalidParameter;
1045
1046     stat = GdipCreateFontFamilyFromName(TimesNewRoman, NULL, nativeFamily);
1047
1048     if (stat == FontFamilyNotFound)
1049         stat = GdipCreateFontFamilyFromName(LiberationSerif, NULL, nativeFamily);
1050
1051     if (stat == FontFamilyNotFound)
1052         ERR("Missing 'Times New Roman' font\n");
1053
1054     return stat;
1055 }
1056
1057 /*****************************************************************************
1058  * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
1059  *
1060  * Obtains a serif family (Microsoft Sans Serif on Windows)
1061  *
1062  * PARAMS
1063  *  **nativeFamily         [I] Where the font will be stored
1064  *
1065  * RETURNS
1066  *  InvalidParameter if nativeFamily is NULL.
1067  *  Ok otherwise.
1068  */
1069 GpStatus WINGDIPAPI GdipGetGenericFontFamilySansSerif(GpFontFamily **nativeFamily)
1070 {
1071     GpStatus stat;
1072     static const WCHAR MicrosoftSansSerif[] = {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f','\0'};
1073     static const WCHAR Tahoma[] = {'T','a','h','o','m','a','\0'};
1074
1075     TRACE("(%p)\n", nativeFamily);
1076
1077     if (nativeFamily == NULL) return InvalidParameter;
1078
1079     stat = GdipCreateFontFamilyFromName(MicrosoftSansSerif, NULL, nativeFamily);
1080
1081     if (stat == FontFamilyNotFound)
1082         /* FIXME: Microsoft Sans Serif is not installed on Wine. */
1083         stat = GdipCreateFontFamilyFromName(Tahoma, NULL, nativeFamily);
1084
1085     return stat;
1086 }
1087
1088 /*****************************************************************************
1089  * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
1090  */
1091 GpStatus WINGDIPAPI GdipNewPrivateFontCollection(GpFontCollection** fontCollection)
1092 {
1093     TRACE("%p\n", fontCollection);
1094
1095     if (!fontCollection)
1096         return InvalidParameter;
1097
1098     *fontCollection = GdipAlloc(sizeof(GpFontCollection));
1099     if (!*fontCollection) return OutOfMemory;
1100
1101     (*fontCollection)->FontFamilies = NULL;
1102     (*fontCollection)->count = 0;
1103     (*fontCollection)->allocated = 0;
1104
1105     TRACE("<-- %p\n", *fontCollection);
1106
1107     return Ok;
1108 }
1109
1110 /*****************************************************************************
1111  * GdipDeletePrivateFontCollection [GDIPLUS.@]
1112  */
1113 GpStatus WINGDIPAPI GdipDeletePrivateFontCollection(GpFontCollection **fontCollection)
1114 {
1115     INT i;
1116
1117     TRACE("%p\n", fontCollection);
1118
1119     if (!fontCollection)
1120         return InvalidParameter;
1121
1122     for (i = 0; i < (*fontCollection)->count; i++) GdipFree((*fontCollection)->FontFamilies[i]);
1123     GdipFree(*fontCollection);
1124
1125     return Ok;
1126 }
1127
1128 /*****************************************************************************
1129  * GdipPrivateAddFontFile [GDIPLUS.@]
1130  */
1131 GpStatus WINGDIPAPI GdipPrivateAddFontFile(GpFontCollection* fontCollection,
1132         GDIPCONST WCHAR* filename)
1133 {
1134     FIXME("stub: %p, %s\n", fontCollection, debugstr_w(filename));
1135
1136     if (!(fontCollection && filename))
1137         return InvalidParameter;
1138
1139     return NotImplemented;
1140 }
1141
1142 /* Copied from msi/font.c */
1143
1144 typedef struct _tagTT_OFFSET_TABLE {
1145     USHORT uMajorVersion;
1146     USHORT uMinorVersion;
1147     USHORT uNumOfTables;
1148     USHORT uSearchRange;
1149     USHORT uEntrySelector;
1150     USHORT uRangeShift;
1151 } TT_OFFSET_TABLE;
1152
1153 typedef struct _tagTT_TABLE_DIRECTORY {
1154     char szTag[4]; /* table name */
1155     ULONG uCheckSum; /* Check sum */
1156     ULONG uOffset; /* Offset from beginning of file */
1157     ULONG uLength; /* length of the table in bytes */
1158 } TT_TABLE_DIRECTORY;
1159
1160 typedef struct _tagTT_NAME_TABLE_HEADER {
1161     USHORT uFSelector; /* format selector. Always 0 */
1162     USHORT uNRCount; /* Name Records count */
1163     USHORT uStorageOffset; /* Offset for strings storage,
1164                             * from start of the table */
1165 } TT_NAME_TABLE_HEADER;
1166
1167 #define NAME_ID_FULL_FONT_NAME  4
1168 #define NAME_ID_VERSION         5
1169
1170 typedef struct _tagTT_NAME_RECORD {
1171     USHORT uPlatformID;
1172     USHORT uEncodingID;
1173     USHORT uLanguageID;
1174     USHORT uNameID;
1175     USHORT uStringLength;
1176     USHORT uStringOffset; /* from start of storage area */
1177 } TT_NAME_RECORD;
1178
1179 #define SWAPWORD(x) MAKEWORD(HIBYTE(x), LOBYTE(x))
1180 #define SWAPLONG(x) MAKELONG(SWAPWORD(HIWORD(x)), SWAPWORD(LOWORD(x)))
1181
1182 /*
1183  * Code based off of code located here
1184  * http://www.codeproject.com/gdi/fontnamefromfile.asp
1185  */
1186 static WCHAR *load_ttf_name_id( const char *mem, DWORD_PTR size, DWORD id, WCHAR *ret, DWORD len )
1187 {
1188     const TT_TABLE_DIRECTORY *tblDir;
1189     TT_OFFSET_TABLE ttOffsetTable;
1190     TT_NAME_TABLE_HEADER ttNTHeader;
1191     TT_NAME_RECORD ttRecord;
1192     DWORD ofs, pos;
1193     int i;
1194
1195     if (sizeof(TT_OFFSET_TABLE) > size)
1196         return NULL;
1197     ttOffsetTable = *(TT_OFFSET_TABLE*)mem;
1198     ttOffsetTable.uNumOfTables = SWAPWORD(ttOffsetTable.uNumOfTables);
1199     ttOffsetTable.uMajorVersion = SWAPWORD(ttOffsetTable.uMajorVersion);
1200     ttOffsetTable.uMinorVersion = SWAPWORD(ttOffsetTable.uMinorVersion);
1201
1202     if (ttOffsetTable.uMajorVersion != 1 || ttOffsetTable.uMinorVersion != 0)
1203         return NULL;
1204
1205     pos = sizeof(ttOffsetTable);
1206     for (i = 0; i < ttOffsetTable.uNumOfTables; i++)
1207     {
1208         tblDir = (const TT_TABLE_DIRECTORY*)&mem[pos];
1209         pos += sizeof(*tblDir);
1210         if (memcmp(tblDir->szTag,"name",4)==0)
1211         {
1212             ofs = SWAPLONG(tblDir->uOffset);
1213             break;
1214         }
1215     }
1216     if (i >= ttOffsetTable.uNumOfTables)
1217         return NULL;
1218
1219     pos = ofs + sizeof(ttNTHeader);
1220     if (pos > size)
1221         return NULL;
1222     ttNTHeader = *(TT_NAME_TABLE_HEADER*)&mem[ofs];
1223     ttNTHeader.uNRCount = SWAPWORD(ttNTHeader.uNRCount);
1224     ttNTHeader.uStorageOffset = SWAPWORD(ttNTHeader.uStorageOffset);
1225     for(i=0; i<ttNTHeader.uNRCount; i++)
1226     {
1227         ttRecord = *(TT_NAME_RECORD*)&mem[pos];
1228         pos += sizeof(ttRecord);
1229         if (pos > size)
1230             return NULL;
1231
1232         ttRecord.uNameID = SWAPWORD(ttRecord.uNameID);
1233         if (ttRecord.uNameID == id)
1234         {
1235             const char *buf;
1236
1237             ttRecord.uStringLength = SWAPWORD(ttRecord.uStringLength);
1238             ttRecord.uStringOffset = SWAPWORD(ttRecord.uStringOffset);
1239             if (ofs + ttRecord.uStringOffset + ttNTHeader.uStorageOffset + ttRecord.uStringLength > size)
1240                 return NULL;
1241             buf = mem + ofs + ttRecord.uStringOffset + ttNTHeader.uStorageOffset;
1242             len = MultiByteToWideChar(CP_ACP, 0, buf, ttRecord.uStringLength, ret, len-1);
1243             ret[len] = 0;
1244             return ret;
1245         }
1246     }
1247     return NULL;
1248 }
1249
1250 static INT CALLBACK add_font_proc(const LOGFONTW *lfw, const TEXTMETRICW *ntm, DWORD type, LPARAM lParam);
1251
1252 /*****************************************************************************
1253  * GdipPrivateAddMemoryFont [GDIPLUS.@]
1254  */
1255 GpStatus WINGDIPAPI GdipPrivateAddMemoryFont(GpFontCollection* fontCollection,
1256         GDIPCONST void* memory, INT length)
1257 {
1258     WCHAR buf[32], *name;
1259     DWORD count = 0;
1260     HANDLE font;
1261     TRACE("%p, %p, %d\n", fontCollection, memory, length);
1262
1263     if (!fontCollection || !memory || !length)
1264         return InvalidParameter;
1265
1266     name = load_ttf_name_id(memory, length, NAME_ID_FULL_FONT_NAME, buf, sizeof(buf)/sizeof(*buf));
1267     if (!name)
1268         return OutOfMemory;
1269
1270     font = AddFontMemResourceEx((void*)memory, length, NULL, &count);
1271     TRACE("%s: %p/%u\n", debugstr_w(name), font, count);
1272     if (!font || !count)
1273         return InvalidParameter;
1274
1275     if (count)
1276     {
1277         HDC hdc;
1278         LOGFONTW lfw;
1279
1280         hdc = GetDC(0);
1281
1282         lfw.lfCharSet = DEFAULT_CHARSET;
1283         lstrcpyW(lfw.lfFaceName, name);
1284         lfw.lfPitchAndFamily = 0;
1285
1286         if (!EnumFontFamiliesExW(hdc, &lfw, add_font_proc, (LPARAM)fontCollection, 0))
1287         {
1288             ReleaseDC(0, hdc);
1289             return OutOfMemory;
1290         }
1291
1292         ReleaseDC(0, hdc);
1293     }
1294     return Ok;
1295 }
1296
1297 /*****************************************************************************
1298  * GdipGetFontCollectionFamilyCount [GDIPLUS.@]
1299  */
1300 GpStatus WINGDIPAPI GdipGetFontCollectionFamilyCount(
1301         GpFontCollection* fontCollection, INT* numFound)
1302 {
1303     TRACE("%p, %p\n", fontCollection, numFound);
1304
1305     if (!(fontCollection && numFound))
1306         return InvalidParameter;
1307
1308     *numFound = fontCollection->count;
1309     return Ok;
1310 }
1311
1312 /*****************************************************************************
1313  * GdipGetFontCollectionFamilyList [GDIPLUS.@]
1314  */
1315 GpStatus WINGDIPAPI GdipGetFontCollectionFamilyList(
1316         GpFontCollection* fontCollection, INT numSought,
1317         GpFontFamily* gpfamilies[], INT* numFound)
1318 {
1319     INT i;
1320     GpStatus stat=Ok;
1321
1322     TRACE("%p, %d, %p, %p\n", fontCollection, numSought, gpfamilies, numFound);
1323
1324     if (!(fontCollection && gpfamilies && numFound))
1325         return InvalidParameter;
1326
1327     memset(gpfamilies, 0, sizeof(*gpfamilies) * numSought);
1328
1329     for (i = 0; i < numSought && i < fontCollection->count && stat == Ok; i++)
1330     {
1331         stat = GdipCloneFontFamily(fontCollection->FontFamilies[i], &gpfamilies[i]);
1332     }
1333
1334     if (stat == Ok)
1335         *numFound = i;
1336     else
1337     {
1338         int numToFree=i;
1339         for (i=0; i<numToFree; i++)
1340         {
1341             GdipDeleteFontFamily(gpfamilies[i]);
1342             gpfamilies[i] = NULL;
1343         }
1344     }
1345
1346     return stat;
1347 }
1348
1349 void free_installed_fonts(void)
1350 {
1351     while (installedFontCollection.count)
1352         GdipDeleteFontFamily(installedFontCollection.FontFamilies[--installedFontCollection.count]);
1353     HeapFree(GetProcessHeap(), 0, installedFontCollection.FontFamilies);
1354     installedFontCollection.FontFamilies = NULL;
1355     installedFontCollection.allocated = 0;
1356 }
1357
1358 static INT CALLBACK add_font_proc(const LOGFONTW *lfw, const TEXTMETRICW *ntm,
1359         DWORD type, LPARAM lParam)
1360 {
1361     GpFontCollection* fonts = (GpFontCollection*)lParam;
1362     int i;
1363
1364     if (type == RASTER_FONTTYPE)
1365         return 1;
1366
1367     /* skip duplicates */
1368     for (i=0; i<fonts->count; i++)
1369         if (strcmpiW(lfw->lfFaceName, fonts->FontFamilies[i]->FamilyName) == 0)
1370             return 1;
1371
1372     if (fonts->allocated == fonts->count)
1373     {
1374         INT new_alloc_count = fonts->allocated+50;
1375         GpFontFamily** new_family_list = HeapAlloc(GetProcessHeap(), 0, new_alloc_count*sizeof(void*));
1376
1377         if (!new_family_list)
1378             return 0;
1379
1380         memcpy(new_family_list, fonts->FontFamilies, fonts->count*sizeof(void*));
1381         HeapFree(GetProcessHeap(), 0, fonts->FontFamilies);
1382         fonts->FontFamilies = new_family_list;
1383         fonts->allocated = new_alloc_count;
1384     }
1385
1386     if (GdipCreateFontFamilyFromName(lfw->lfFaceName, NULL, &fonts->FontFamilies[fonts->count]) == Ok)
1387         fonts->count++;
1388     else
1389         return 0;
1390
1391     return 1;
1392 }
1393
1394 GpStatus WINGDIPAPI GdipNewInstalledFontCollection(
1395         GpFontCollection** fontCollection)
1396 {
1397     TRACE("(%p)\n",fontCollection);
1398
1399     if (!fontCollection)
1400         return InvalidParameter;
1401
1402     if (installedFontCollection.count == 0)
1403     {
1404         HDC hdc;
1405         LOGFONTW lfw;
1406
1407         hdc = GetDC(0);
1408
1409         lfw.lfCharSet = DEFAULT_CHARSET;
1410         lfw.lfFaceName[0] = 0;
1411         lfw.lfPitchAndFamily = 0;
1412
1413         if (!EnumFontFamiliesExW(hdc, &lfw, add_font_proc, (LPARAM)&installedFontCollection, 0))
1414         {
1415             free_installed_fonts();
1416             ReleaseDC(0, hdc);
1417             return OutOfMemory;
1418         }
1419
1420         ReleaseDC(0, hdc);
1421     }
1422
1423     *fontCollection = &installedFontCollection;
1424
1425     return Ok;
1426 }