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