dlls/gdiplus/font.c

   1 /*
   2  * Copyright (C) 2007 Google (Evan Stade)
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20
  21 #include "windef.h"
  22 #include "winbase.h"
  23 #include "wingdi.h"
  24 #include "winnls.h"
  25 #include "winreg.h"
  26 #include "wine/debug.h"
  27 #include "wine/unicode.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL (gdiplus);
  30
  31 #include "objbase.h"
  32
  33 #include "gdiplus.h"
  34 #include "gdiplus_private.h"
  35
  36 static const REAL mm_per_inch = 25.4;
  37 static const REAL inch_per_point = 1.0/72.0;
  38
  39 static GpFontCollection installedFontCollection = {0};
  40
  41 static inline REAL get_dpi (void)
  42 {
  43     REAL dpi;
  44     GpGraphics *graphics;
  45     HDC hdc = GetDC(0);
  46     GdipCreateFromHDC (hdc, &graphics);
  47     GdipGetDpiX(graphics, &dpi);
  48     GdipDeleteGraphics(graphics);
  49     ReleaseDC (0, hdc);
  50
  51     return dpi;
  52 }
  53
  54 static inline REAL point_to_pixel (REAL point)
  55 {
  56     return point * get_dpi() * inch_per_point;
  57 }
  58
  59 static inline REAL inch_to_pixel (REAL inch)
  60 {
  61     return inch * get_dpi();
  62 }
  63
  64 static inline REAL document_to_pixel (REAL doc)
  65 {
  66     return doc * (get_dpi() / 300.0); /* Per MSDN */
  67 }
  68
  69 static inline REAL mm_to_pixel (REAL mm)
  70 {
  71     return mm * (get_dpi() / mm_per_inch);
  72 }
  73
  74 /*******************************************************************************
  75  * GdipCreateFont [GDIPLUS.@]
  76  *
  77  * Create a new font based off of a FontFamily
  78  *
  79  * PARAMS
  80  *  *fontFamily     [I] Family to base the font off of
  81  *  emSize          [I] Size of the font
  82  *  style           [I] Bitwise OR of FontStyle enumeration
  83  *  unit            [I] Unit emSize is measured in
  84  *  **font          [I] the resulting Font object
  85  *
  86  * RETURNS
  87  *  SUCCESS: Ok
  88  *  FAILURE: InvalidParameter if fontfamily or font is NULL.
  89  *  FAILURE: FontFamilyNotFound if an invalid FontFamily is given
  90  *
  91  * NOTES
  92  *  UnitDisplay is unsupported.
  93  *  emSize is stored separately from lfHeight, to hold the fraction.
  94  */
  95 GpStatus WINGDIPAPI GdipCreateFont(GDIPCONST GpFontFamily *fontFamily,
  96                         REAL emSize, INT style, Unit unit, GpFont **font)
  97 {
  98     WCHAR facename[LF_FACESIZE];
  99     LOGFONTW* lfw;
 100     const NEWTEXTMETRICW* tmw;
 101     GpStatus stat;
 102
 103     if (!fontFamily || !font)
 104         return InvalidParameter;
 105
 106     TRACE("%p (%s), %f, %d, %d, %p\n", fontFamily,
 107             debugstr_w(fontFamily->FamilyName), emSize, style, unit, font);
 108
 109     stat = GdipGetFamilyName (fontFamily, facename, 0);
 110     if (stat != Ok) return stat;
 111     *font = GdipAlloc(sizeof(GpFont));
 112
 113     tmw = &fontFamily->tmw;
 114     lfw = &((*font)->lfw);
 115     ZeroMemory(&(*lfw), sizeof(*lfw));
 116
 117     lfw->lfWeight = tmw->tmWeight;
 118     lfw->lfItalic = tmw->tmItalic;
 119     lfw->lfUnderline = tmw->tmUnderlined;
 120     lfw->lfStrikeOut = tmw->tmStruckOut;
 121     lfw->lfCharSet = tmw->tmCharSet;
 122     lfw->lfPitchAndFamily = tmw->tmPitchAndFamily;
 123     lstrcpynW(lfw->lfFaceName, facename, LF_FACESIZE);
 124
 125     switch (unit)
 126     {
 127         case UnitWorld:
 128             /* FIXME: Figure out when World != Pixel */
 129             lfw->lfHeight = emSize; break;
 130         case UnitDisplay:
 131             FIXME("Unknown behavior for UnitDisplay! Please report!\n");
 132             /* FIXME: Figure out how this works...
 133              * MSDN says that if "DISPLAY" is a monitor, then pixel should be
 134              * used. That's not what I got. Tests on Windows revealed no output,
 135              * and the tests in tests/font crash windows */
 136             lfw->lfHeight = 0; break;
 137         case UnitPixel:
 138             lfw->lfHeight = emSize; break;
 139         case UnitPoint:
 140             lfw->lfHeight = point_to_pixel(emSize); break;
 141         case UnitInch:
 142             lfw->lfHeight = inch_to_pixel(emSize); break;
 143         case UnitDocument:
 144             lfw->lfHeight = document_to_pixel(emSize); break;
 145         case UnitMillimeter:
 146             lfw->lfHeight = mm_to_pixel(emSize); break;
 147     }
 148
 149     lfw->lfHeight *= -1;
 150
 151     lfw->lfWeight = style & FontStyleBold ? 700 : 400;
 152     lfw->lfItalic = style & FontStyleItalic;
 153     lfw->lfUnderline = style & FontStyleUnderline;
 154     lfw->lfStrikeOut = style & FontStyleStrikeout;
 155
 156     (*font)->unit = unit;
 157     (*font)->emSize = emSize;
 158     (*font)->height = tmw->ntmSizeEM;
 159     (*font)->line_spacing = tmw->tmAscent + tmw->tmDescent + tmw->tmExternalLeading;
 160
 161     return Ok;
 162 }
 163
 164 /*******************************************************************************
 165  * GdipCreateFontFromLogfontW [GDIPLUS.@]
 166  */
 167 GpStatus WINGDIPAPI GdipCreateFontFromLogfontW(HDC hdc,
 168     GDIPCONST LOGFONTW *logfont, GpFont **font)
 169 {
 170     HFONT hfont, oldfont;
 171     TEXTMETRICW textmet;
 172
 173     TRACE("(%p, %p, %p)\n", hdc, logfont, font);
 174
 175     if(!logfont || !font)
 176         return InvalidParameter;
 177
 178     if (logfont->lfFaceName[0] == 0)
 179         return NotTrueTypeFont;
 180
 181     *font = GdipAlloc(sizeof(GpFont));
 182     if(!*font)  return OutOfMemory;
 183
 184     memcpy((*font)->lfw.lfFaceName, logfont->lfFaceName, LF_FACESIZE *
 185            sizeof(WCHAR));
 186     (*font)->lfw.lfHeight = logfont->lfHeight;
 187     (*font)->lfw.lfItalic = logfont->lfItalic;
 188     (*font)->lfw.lfUnderline = logfont->lfUnderline;
 189     (*font)->lfw.lfStrikeOut = logfont->lfStrikeOut;
 190
 191     (*font)->emSize = logfont->lfHeight;
 192     (*font)->unit = UnitPixel;
 193
 194     hfont = CreateFontIndirectW(&(*font)->lfw);
 195     oldfont = SelectObject(hdc, hfont);
 196     GetTextMetricsW(hdc, &textmet);
 197
 198     (*font)->lfw.lfHeight = -(textmet.tmHeight-textmet.tmInternalLeading);
 199     (*font)->lfw.lfWeight = textmet.tmWeight;
 200     (*font)->lfw.lfCharSet = textmet.tmCharSet;
 201
 202     (*font)->height = 1; /* FIXME: need NEWTEXTMETRIC.ntmSizeEM here */
 203     (*font)->line_spacing = textmet.tmAscent + textmet.tmDescent + textmet.tmExternalLeading;
 204
 205     SelectObject(hdc, oldfont);
 206     DeleteObject(hfont);
 207
 208     return Ok;
 209 }
 210
 211 /*******************************************************************************
 212  * GdipCreateFontFromLogfontA [GDIPLUS.@]
 213  */
 214 GpStatus WINGDIPAPI GdipCreateFontFromLogfontA(HDC hdc,
 215     GDIPCONST LOGFONTA *lfa, GpFont **font)
 216 {
 217     LOGFONTW lfw;
 218
 219     TRACE("(%p, %p, %p)\n", hdc, lfa, font);
 220
 221     if(!lfa || !font)
 222         return InvalidParameter;
 223
 224     memcpy(&lfw, lfa, FIELD_OFFSET(LOGFONTA,lfFaceName) );
 225
 226     if(!MultiByteToWideChar(CP_ACP, 0, lfa->lfFaceName, -1, lfw.lfFaceName, LF_FACESIZE))
 227         return GenericError;
 228
 229     return GdipCreateFontFromLogfontW(hdc, &lfw, font);
 230 }
 231
 232 /*******************************************************************************
 233  * GdipDeleteFont [GDIPLUS.@]
 234  */
 235 GpStatus WINGDIPAPI GdipDeleteFont(GpFont* font)
 236 {
 237     TRACE("(%p)\n", font);
 238
 239     if(!font)
 240         return InvalidParameter;
 241
 242     GdipFree(font);
 243
 244     return Ok;
 245 }
 246
 247 /*******************************************************************************
 248  * GdipCreateFontFromDC [GDIPLUS.@]
 249  */
 250 GpStatus WINGDIPAPI GdipCreateFontFromDC(HDC hdc, GpFont **font)
 251 {
 252     HFONT hfont;
 253     LOGFONTW lfw;
 254
 255     TRACE("(%p, %p)\n", hdc, font);
 256
 257     if(!font)
 258         return InvalidParameter;
 259
 260     hfont = GetCurrentObject(hdc, OBJ_FONT);
 261     if(!hfont)
 262         return GenericError;
 263
 264     if(!GetObjectW(hfont, sizeof(LOGFONTW), &lfw))
 265         return GenericError;
 266
 267     return GdipCreateFontFromLogfontW(hdc, &lfw, font);
 268 }
 269
 270 /*******************************************************************************
 271  * GdipGetFamily [GDIPLUS.@]
 272  *
 273  * Returns the FontFamily for the specified Font
 274  *
 275  * PARAMS
 276  *  font    [I] Font to request from
 277  *  family  [O] Resulting FontFamily object
 278  *
 279  * RETURNS
 280  *  SUCCESS: Ok
 281  *  FAILURE: An element of GpStatus
 282  */
 283 GpStatus WINGDIPAPI GdipGetFamily(GpFont *font, GpFontFamily **family)
 284 {
 285     TRACE("%p %p\n", font, family);
 286
 287     if (!(font && family))
 288         return InvalidParameter;
 289
 290     return GdipCreateFontFamilyFromName(font->lfw.lfFaceName, NULL, family);
 291 }
 292
 293 /******************************************************************************
 294  * GdipGetFontSize [GDIPLUS.@]
 295  *
 296  * Returns the size of the font in Units
 297  *
 298  * PARAMS
 299  *  *font       [I] The font to retrieve size from
 300  *  *size       [O] Pointer to hold retrieved value
 301  *
 302  * RETURNS
 303  *  SUCCESS: Ok
 304  *  FAILURE: InvalidParameter (font or size was NULL)
 305  *
 306  * NOTES
 307  *  Size returned is actually emSize -- not internal size used for drawing.
 308  */
 309 GpStatus WINGDIPAPI GdipGetFontSize(GpFont *font, REAL *size)
 310 {
 311     TRACE("(%p, %p)\n", font, size);
 312
 313     if (!(font && size)) return InvalidParameter;
 314
 315     *size = font->emSize;
 316
 317     return Ok;
 318 }
 319
 320 /*******************************************************************************
 321  * GdipGetFontStyle [GDIPLUS.@]
 322  *
 323  * Gets the font's style, returned in bitwise OR of FontStyle enumeration
 324  *
 325  * PARAMS
 326  *  font    [I] font to request from
 327  *  style   [O] resulting pointer to a FontStyle enumeration
 328  *
 329  * RETURNS
 330  *  SUCCESS: Ok
 331  *  FAILURE: InvalidParameter
 332  */
 333 GpStatus WINGDIPAPI GdipGetFontStyle(GpFont *font, INT *style)
 334 {
 335     TRACE("%p %p\n", font, style);
 336
 337     if (!(font && style))
 338         return InvalidParameter;
 339
 340     if (font->lfw.lfWeight > 400)
 341         *style = FontStyleBold;
 342     else
 343         *style = 0;
 344     if (font->lfw.lfItalic)
 345         *style |= FontStyleItalic;
 346     if (font->lfw.lfUnderline)
 347         *style |= FontStyleUnderline;
 348     if (font->lfw.lfStrikeOut)
 349         *style |= FontStyleStrikeout;
 350
 351     return Ok;
 352 }
 353
 354 /*******************************************************************************
 355  * GdipGetFontUnit  [GDIPLUS.@]
 356  *
 357  * PARAMS
 358  *  font    [I] Font to retrieve from
 359  *  unit    [O] Return value
 360  *
 361  * RETURNS
 362  *  FAILURE: font or unit was NULL
 363  *  OK: otherwise
 364  */
 365 GpStatus WINGDIPAPI GdipGetFontUnit(GpFont *font, Unit *unit)
 366 {
 367     TRACE("(%p, %p)\n", font, unit);
 368
 369     if (!(font && unit)) return InvalidParameter;
 370
 371     *unit = font->unit;
 372
 373     return Ok;
 374 }
 375
 376 /*******************************************************************************
 377  * GdipGetLogFontA [GDIPLUS.@]
 378  */
 379 GpStatus WINGDIPAPI GdipGetLogFontA(GpFont *font, GpGraphics *graphics,
 380     LOGFONTA *lfa)
 381 {
 382     GpStatus status;
 383     LOGFONTW lfw;
 384
 385     TRACE("(%p, %p, %p)\n", font, graphics, lfa);
 386
 387     status = GdipGetLogFontW(font, graphics, &lfw);
 388     if(status != Ok)
 389         return status;
 390
 391     memcpy(lfa, &lfw, FIELD_OFFSET(LOGFONTA,lfFaceName) );
 392
 393     if(!WideCharToMultiByte(CP_ACP, 0, lfw.lfFaceName, -1, lfa->lfFaceName, LF_FACESIZE, NULL, NULL))
 394         return GenericError;
 395
 396     return Ok;
 397 }
 398
 399 /*******************************************************************************
 400  * GdipGetLogFontW [GDIPLUS.@]
 401  */
 402 GpStatus WINGDIPAPI GdipGetLogFontW(GpFont *font, GpGraphics *graphics,
 403     LOGFONTW *lfw)
 404 {
 405     TRACE("(%p, %p, %p)\n", font, graphics, lfw);
 406
 407     /* FIXME: use graphics */
 408     if(!font || !graphics || !lfw)
 409         return InvalidParameter;
 410
 411     *lfw = font->lfw;
 412
 413     return Ok;
 414 }
 415
 416 /*******************************************************************************
 417  * GdipCloneFont [GDIPLUS.@]
 418  */
 419 GpStatus WINGDIPAPI GdipCloneFont(GpFont *font, GpFont **cloneFont)
 420 {
 421     TRACE("(%p, %p)\n", font, cloneFont);
 422
 423     if(!font || !cloneFont)
 424         return InvalidParameter;
 425
 426     *cloneFont = GdipAlloc(sizeof(GpFont));
 427     if(!*cloneFont)    return OutOfMemory;
 428
 429     **cloneFont = *font;
 430
 431     return Ok;
 432 }
 433
 434 /*******************************************************************************
 435  * GdipGetFontHeight [GDIPLUS.@]
 436  * PARAMS
 437  *  font        [I] Font to retrieve height from
 438  *  graphics    [I] The current graphics context
 439  *  height      [O] Resulting height
 440  * RETURNS
 441  *  SUCCESS: Ok
 442  *  FAILURE: Another element of GpStatus
 443  *
 444  * NOTES
 445  *  Forwards to GdipGetFontHeightGivenDPI
 446  */
 447 GpStatus WINGDIPAPI GdipGetFontHeight(GDIPCONST GpFont *font,
 448         GDIPCONST GpGraphics *graphics, REAL *height)
 449 {
 450     REAL dpi;
 451
 452     TRACE("%p %p %p\n", font, graphics, height);
 453
 454     dpi = GetDeviceCaps(graphics->hdc, LOGPIXELSY);
 455
 456     return GdipGetFontHeightGivenDPI(font, dpi, height);
 457 }
 458
 459 /*******************************************************************************
 460  * GdipGetFontHeightGivenDPI [GDIPLUS.@]
 461  * PARAMS
 462  *  font        [I] Font to retrieve DPI from
 463  *  dpi         [I] DPI to assume
 464  *  height      [O] Return value
 465  *
 466  * RETURNS
 467  *  SUCCESS: Ok
 468  *  FAILURE: InvalidParameter if font or height is NULL
 469  *
 470  * NOTES
 471  *  According to MSDN, the result is (lineSpacing)*(fontSize / emHeight)*dpi
 472  *  (for anything other than unit Pixel)
 473  */
 474 GpStatus WINGDIPAPI GdipGetFontHeightGivenDPI(GDIPCONST GpFont *font, REAL dpi, REAL *height)
 475 {
 476     REAL font_height;
 477
 478     TRACE("%p (%s), %f, %p\n", font,
 479             debugstr_w(font->lfw.lfFaceName), dpi, height);
 480
 481     if (!(font && height)) return InvalidParameter;
 482
 483     font_height = font->line_spacing * (font->emSize / font->height);
 484
 485     switch (font->unit)
 486     {
 487         case UnitPixel:
 488             *height = font_height;
 489             break;
 490         case UnitPoint:
 491             *height = font_height * dpi * inch_per_point;
 492             break;
 493         case UnitInch:
 494             *height = font_height * dpi;
 495             break;
 496         case UnitDocument:
 497             *height = font_height * (dpi / 300.0);
 498             break;
 499         case UnitMillimeter:
 500             *height = font_height * (dpi / mm_per_inch);
 501             break;
 502         default:
 503             FIXME("Unhandled unit type: %d\n", font->unit);
 504             return NotImplemented;
 505     }
 506
 507     return Ok;
 508 }
 509
 510 /***********************************************************************
 511  * Borrowed from GDI32:
 512  *
 513  * Elf is really an ENUMLOGFONTEXW, and ntm is a NEWTEXTMETRICEXW.
 514  *     We have to use other types because of the FONTENUMPROCW definition.
 515  */
 516 static INT CALLBACK is_font_installed_proc(const LOGFONTW *elf,
 517                             const TEXTMETRICW *ntm, DWORD type, LPARAM lParam)
 518 {
 519     if (!ntm)
 520     {
 521         return 1;
 522     }
 523
 524     *(NEWTEXTMETRICW*)lParam = *(const NEWTEXTMETRICW*)ntm;
 525
 526     return 0;
 527 }
 528
 529 static BOOL find_installed_font(const WCHAR *name, NEWTEXTMETRICW *ntm)
 530 {
 531     HDC hdc = GetDC(0);
 532     BOOL ret = FALSE;
 533
 534     if(!EnumFontFamiliesW(hdc, name, is_font_installed_proc, (LPARAM)ntm))
 535         ret = TRUE;
 536
 537     ReleaseDC(0, hdc);
 538     return ret;
 539 }
 540
 541 /*******************************************************************************
 542  * GdipCreateFontFamilyFromName [GDIPLUS.@]
 543  *
 544  * Creates a font family object based on a supplied name
 545  *
 546  * PARAMS
 547  *  name               [I] Name of the font
 548  *  fontCollection     [I] What font collection (if any) the font belongs to (may be NULL)
 549  *  FontFamily         [O] Pointer to the resulting FontFamily object
 550  *
 551  * RETURNS
 552  *  SUCCESS: Ok
 553  *  FAILURE: FamilyNotFound if the requested FontFamily does not exist on the system
 554  *  FAILURE: Invalid parameter if FontFamily or name is NULL
 555  *
 556  * NOTES
 557  *   If fontCollection is NULL then the object is not part of any collection
 558  *
 559  */
 560
 561 GpStatus WINGDIPAPI GdipCreateFontFamilyFromName(GDIPCONST WCHAR *name,
 562                                         GpFontCollection *fontCollection,
 563                                         GpFontFamily **FontFamily)
 564 {
 565     GpFontFamily* ffamily;
 566     NEWTEXTMETRICW ntm;
 567
 568     TRACE("%s, %p %p\n", debugstr_w(name), fontCollection, FontFamily);
 569
 570     if (!(name && FontFamily))
 571         return InvalidParameter;
 572     if (fontCollection)
 573         FIXME("No support for FontCollections yet!\n");
 574
 575     if (!find_installed_font(name, &ntm))
 576         return FontFamilyNotFound;
 577
 578     ffamily = GdipAlloc(sizeof (GpFontFamily));
 579     if (!ffamily) return OutOfMemory;
 580
 581     ffamily->tmw = ntm;
 582     lstrcpynW(ffamily->FamilyName, name, LF_FACESIZE);
 583
 584     *FontFamily = ffamily;
 585
 586     return Ok;
 587 }
 588
 589 /*******************************************************************************
 590  * GdipCloneFontFamily [GDIPLUS.@]
 591  *
 592  * Creates a deep copy of a Font Family object
 593  *
 594  * PARAMS
 595  *  FontFamily          [I] Font to clone
 596  *  clonedFontFamily    [O] The resulting cloned font
 597  *
 598  * RETURNS
 599  *  SUCCESS: Ok
 600  */
 601 GpStatus WINGDIPAPI GdipCloneFontFamily(GpFontFamily* FontFamily, GpFontFamily** clonedFontFamily)
 602 {
 603     if (!(FontFamily && clonedFontFamily)) return InvalidParameter;
 604
 605     TRACE("stub: %p (%s), %p\n", FontFamily,
 606             debugstr_w(FontFamily->FamilyName), clonedFontFamily);
 607
 608     *clonedFontFamily = GdipAlloc(sizeof(GpFontFamily));
 609     if (!*clonedFontFamily) return OutOfMemory;
 610
 611     (*clonedFontFamily)->tmw = FontFamily->tmw;
 612     lstrcpyW((*clonedFontFamily)->FamilyName, FontFamily->FamilyName);
 613
 614     return Ok;
 615 }
 616
 617 /*******************************************************************************
 618  * GdipGetFamilyName [GDIPLUS.@]
 619  *
 620  * Returns the family name into name
 621  *
 622  * PARAMS
 623  *  *family     [I] Family to retrieve from
 624  *  *name       [O] WCHARS of the family name
 625  *  LANGID      [I] charset
 626  *
 627  * RETURNS
 628  *  SUCCESS: Ok
 629  *  FAILURE: InvalidParameter if family is NULL
 630  *
 631  * NOTES
 632  *   If name is a NULL ptr, then both XP and Vista will crash (so we do as well)
 633  */
 634 GpStatus WINGDIPAPI GdipGetFamilyName (GDIPCONST GpFontFamily *family,
 635                                        WCHAR *name, LANGID language)
 636 {
 637     if (family == NULL)
 638          return InvalidParameter;
 639
 640     TRACE("%p, %p, %d\n", family, name, language);
 641
 642     if (language != LANG_NEUTRAL)
 643         FIXME("No support for handling of multiple languages!\n");
 644
 645     lstrcpynW (name, family->FamilyName, LF_FACESIZE);
 646
 647     return Ok;
 648 }
 649
 650
 651 /*****************************************************************************
 652  * GdipDeleteFontFamily [GDIPLUS.@]
 653  *
 654  * Removes the specified FontFamily
 655  *
 656  * PARAMS
 657  *  *FontFamily         [I] The family to delete
 658  *
 659  * RETURNS
 660  *  SUCCESS: Ok
 661  *  FAILURE: InvalidParameter if FontFamily is NULL.
 662  *
 663  */
 664 GpStatus WINGDIPAPI GdipDeleteFontFamily(GpFontFamily *FontFamily)
 665 {
 666     if (!FontFamily)
 667         return InvalidParameter;
 668     TRACE("Deleting %p (%s)\n", FontFamily, debugstr_w(FontFamily->FamilyName));
 669
 670     GdipFree (FontFamily);
 671
 672     return Ok;
 673 }
 674
 675 GpStatus WINGDIPAPI GdipGetCellAscent(GDIPCONST GpFontFamily *family,
 676         INT style, UINT16* CellAscent)
 677 {
 678     if (!(family && CellAscent)) return InvalidParameter;
 679
 680     *CellAscent = family->tmw.tmAscent;
 681
 682     return Ok;
 683 }
 684
 685 GpStatus WINGDIPAPI GdipGetCellDescent(GDIPCONST GpFontFamily *family,
 686         INT style, UINT16* CellDescent)
 687 {
 688     TRACE("(%p, %d, %p)\n", family, style, CellDescent);
 689
 690     if (!(family && CellDescent)) return InvalidParameter;
 691
 692     *CellDescent = family->tmw.tmDescent;
 693
 694     return Ok;
 695 }
 696
 697 /*******************************************************************************
 698  * GdipGetEmHeight [GDIPLUS.@]
 699  *
 700  * Gets the height of the specified family in EmHeights
 701  *
 702  * PARAMS
 703  *  family      [I] Family to retrieve from
 704  *  style       [I] (optional) style
 705  *  EmHeight    [O] return value
 706  *
 707  * RETURNS
 708  *  SUCCESS: Ok
 709  *  FAILURE: InvalidParameter
 710  */
 711 GpStatus WINGDIPAPI GdipGetEmHeight(GDIPCONST GpFontFamily *family, INT style, UINT16* EmHeight)
 712 {
 713     if (!(family && EmHeight)) return InvalidParameter;
 714
 715     TRACE("%p (%s), %d, %p\n", family, debugstr_w(family->FamilyName), style, EmHeight);
 716
 717     *EmHeight = family->tmw.ntmSizeEM;
 718
 719     return Ok;
 720 }
 721
 722
 723 /*******************************************************************************
 724  * GdipGetLineSpacing [GDIPLUS.@]
 725  *
 726  * Returns the line spacing in design units
 727  *
 728  * PARAMS
 729  *  family      [I] Family to retrieve from
 730  *  style       [I] (Optional) font style
 731  *  LineSpacing [O] Return value
 732  *
 733  * RETURNS
 734  *  SUCCESS: Ok
 735  *  FAILURE: InvalidParameter (family or LineSpacing was NULL)
 736  */
 737 GpStatus WINGDIPAPI GdipGetLineSpacing(GDIPCONST GpFontFamily *family,
 738         INT style, UINT16* LineSpacing)
 739 {
 740     TRACE("%p, %d, %p\n", family, style, LineSpacing);
 741
 742     if (!(family && LineSpacing))
 743         return InvalidParameter;
 744
 745     if (style) FIXME("ignoring style\n");
 746
 747     *LineSpacing = family->tmw.tmAscent + family->tmw.tmDescent + family->tmw.tmExternalLeading;
 748
 749     return Ok;
 750 }
 751
 752 GpStatus WINGDIPAPI GdipIsStyleAvailable(GDIPCONST GpFontFamily* family,
 753         INT style, BOOL* IsStyleAvailable)
 754 {
 755     FIXME("%p %d %p stub!\n", family, style, IsStyleAvailable);
 756
 757     if (!(family && IsStyleAvailable))
 758         return InvalidParameter;
 759
 760     return NotImplemented;
 761 }
 762
 763 /*****************************************************************************
 764  * GdipGetGenericFontFamilyMonospace [GDIPLUS.@]
 765  *
 766  * Obtains a serif family (Courier New on Windows)
 767  *
 768  * PARAMS
 769  *  **nativeFamily         [I] Where the font will be stored
 770  *
 771  * RETURNS
 772  *  InvalidParameter if nativeFamily is NULL.
 773  *  Ok otherwise.
 774  */
 775 GpStatus WINGDIPAPI GdipGetGenericFontFamilyMonospace(GpFontFamily **nativeFamily)
 776 {
 777     static const WCHAR CourierNew[] = {'C','o','u','r','i','e','r',' ','N','e','w','\0'};
 778
 779     if (nativeFamily == NULL) return InvalidParameter;
 780
 781     return GdipCreateFontFamilyFromName(CourierNew, NULL, nativeFamily);
 782 }
 783
 784 /*****************************************************************************
 785  * GdipGetGenericFontFamilySerif [GDIPLUS.@]
 786  *
 787  * Obtains a serif family (Times New Roman on Windows)
 788  *
 789  * PARAMS
 790  *  **nativeFamily         [I] Where the font will be stored
 791  *
 792  * RETURNS
 793  *  InvalidParameter if nativeFamily is NULL.
 794  *  Ok otherwise.
 795  */
 796 GpStatus WINGDIPAPI GdipGetGenericFontFamilySerif(GpFontFamily **nativeFamily)
 797 {
 798     static const WCHAR TimesNewRoman[] = {'T','i','m','e','s',' ','N','e','w',' ','R','o','m','a','n','\0'};
 799
 800     TRACE("(%p)\n", nativeFamily);
 801
 802     if (nativeFamily == NULL) return InvalidParameter;
 803
 804     return GdipCreateFontFamilyFromName(TimesNewRoman, NULL, nativeFamily);
 805 }
 806
 807 /*****************************************************************************
 808  * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
 809  *
 810  * Obtains a serif family (Microsoft Sans Serif on Windows)
 811  *
 812  * PARAMS
 813  *  **nativeFamily         [I] Where the font will be stored
 814  *
 815  * RETURNS
 816  *  InvalidParameter if nativeFamily is NULL.
 817  *  Ok otherwise.
 818  */
 819 GpStatus WINGDIPAPI GdipGetGenericFontFamilySansSerif(GpFontFamily **nativeFamily)
 820 {
 821     /* FIXME: On Windows this is called Microsoft Sans Serif, this shouldn't
 822      * affect anything */
 823     static const WCHAR MSSansSerif[] = {'M','S',' ','S','a','n','s',' ','S','e','r','i','f','\0'};
 824
 825     TRACE("(%p)\n", nativeFamily);
 826
 827     if (nativeFamily == NULL) return InvalidParameter;
 828
 829     return GdipCreateFontFamilyFromName(MSSansSerif, NULL, nativeFamily);
 830 }
 831
 832 /*****************************************************************************
 833  * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
 834  */
 835 GpStatus WINGDIPAPI GdipNewPrivateFontCollection(GpFontCollection** fontCollection)
 836 {
 837     TRACE("%p\n", fontCollection);
 838
 839     if (!fontCollection)
 840         return InvalidParameter;
 841
 842     *fontCollection = GdipAlloc(sizeof(GpFontCollection));
 843     if (!*fontCollection) return OutOfMemory;
 844
 845     (*fontCollection)->FontFamilies = NULL;
 846     (*fontCollection)->count = 0;
 847     (*fontCollection)->allocated = 0;
 848     return Ok;
 849 }
 850
 851 /*****************************************************************************
 852  * GdipDeletePrivateFontCollection [GDIPLUS.@]
 853  */
 854 GpStatus WINGDIPAPI GdipDeletePrivateFontCollection(GpFontCollection **fontCollection)
 855 {
 856     INT i;
 857
 858     TRACE("%p\n", fontCollection);
 859
 860     if (!fontCollection)
 861         return InvalidParameter;
 862
 863     for (i = 0; i < (*fontCollection)->count; i++) GdipFree((*fontCollection)->FontFamilies[i]);
 864     GdipFree(*fontCollection);
 865
 866     return Ok;
 867 }
 868
 869 /*****************************************************************************
 870  * GdipPrivateAddFontFile [GDIPLUS.@]
 871  */
 872 GpStatus WINGDIPAPI GdipPrivateAddFontFile(GpFontCollection* fontCollection,
 873         GDIPCONST WCHAR* filename)
 874 {
 875     FIXME("stub: %p, %s\n", fontCollection, debugstr_w(filename));
 876
 877     if (!(fontCollection && filename))
 878         return InvalidParameter;
 879
 880     return NotImplemented;
 881 }
 882
 883 /*****************************************************************************
 884  * GdipPrivateAddMemoryFont [GDIPLUS.@]
 885  */
 886 GpStatus WINGDIPAPI GdipPrivateAddMemoryFont(GpFontCollection* fontCollection,
 887         GDIPCONST void* memory, INT length)
 888 {
 889     FIXME("%p, %p, %d\n", fontCollection, memory, length);
 890
 891     if (!(fontCollection && memory && length))
 892         return InvalidParameter;
 893
 894     return Ok;
 895 }
 896
 897 /*****************************************************************************
 898  * GdipGetFontCollectionFamilyCount [GDIPLUS.@]
 899  */
 900 GpStatus WINGDIPAPI GdipGetFontCollectionFamilyCount(
 901         GpFontCollection* fontCollection, INT* numFound)
 902 {
 903     TRACE("%p, %p\n", fontCollection, numFound);
 904
 905     if (!(fontCollection && numFound))
 906         return InvalidParameter;
 907
 908     *numFound = fontCollection->count;
 909     return Ok;
 910 }
 911
 912 /*****************************************************************************
 913  * GdipGetFontCollectionFamilyList [GDIPLUS.@]
 914  */
 915 GpStatus WINGDIPAPI GdipGetFontCollectionFamilyList(
 916         GpFontCollection* fontCollection, INT numSought,
 917         GpFontFamily* gpfamilies[], INT* numFound)
 918 {
 919     INT i;
 920
 921     TRACE("%p, %d, %p, %p\n", fontCollection, numSought, gpfamilies, numFound);
 922
 923     if (!(fontCollection && gpfamilies && numFound))
 924         return InvalidParameter;
 925
 926     for (i = 0; i < numSought && i < fontCollection->count; i++)
 927     {
 928         gpfamilies[i] = fontCollection->FontFamilies[i];
 929     }
 930     *numFound = i;
 931     return Ok;
 932 }
 933
 934 void free_installed_fonts(void)
 935 {
 936     while (installedFontCollection.count)
 937         GdipDeleteFontFamily(installedFontCollection.FontFamilies[--installedFontCollection.count]);
 938     HeapFree(GetProcessHeap(), 0, installedFontCollection.FontFamilies);
 939     installedFontCollection.FontFamilies = NULL;
 940     installedFontCollection.allocated = 0;
 941 }
 942
 943 static INT CALLBACK add_font_proc(const LOGFONTW *lfw, const TEXTMETRICW *ntm,
 944         DWORD type, LPARAM lParam)
 945 {
 946     GpFontCollection* fonts = (GpFontCollection*)lParam;
 947     int i;
 948
 949     /* skip duplicates */
 950     for (i=0; i<fonts->count; i++)
 951         if (strcmpiW(lfw->lfFaceName, fonts->FontFamilies[i]->FamilyName) == 0)
 952             return 1;
 953
 954     if (fonts->allocated == fonts->count)
 955     {
 956         INT new_alloc_count = fonts->allocated+50;
 957         GpFontFamily** new_family_list = HeapAlloc(GetProcessHeap(), 0, new_alloc_count*sizeof(void*));
 958
 959         if (!new_family_list)
 960             return 0;
 961
 962         memcpy(new_family_list, fonts->FontFamilies, fonts->count*sizeof(void*));
 963         HeapFree(GetProcessHeap(), 0, fonts->FontFamilies);
 964         fonts->FontFamilies = new_family_list;
 965         fonts->allocated = new_alloc_count;
 966     }
 967
 968     if (GdipCreateFontFamilyFromName(lfw->lfFaceName, NULL, &fonts->FontFamilies[fonts->count]) == Ok)
 969         fonts->count++;
 970     else
 971         return 0;
 972
 973     return 1;
 974 }
 975
 976 GpStatus WINGDIPAPI GdipNewInstalledFontCollection(
 977         GpFontCollection** fontCollection)
 978 {
 979     TRACE("(%p)\n",fontCollection);
 980
 981     if (!fontCollection)
 982         return InvalidParameter;
 983
 984     if (installedFontCollection.count == 0)
 985     {
 986         HDC hdc;
 987         LOGFONTW lfw;
 988
 989         hdc = GetDC(0);
 990
 991         lfw.lfCharSet = DEFAULT_CHARSET;
 992         lfw.lfFaceName[0] = 0;
 993         lfw.lfPitchAndFamily = 0;
 994
 995         if (!EnumFontFamiliesExW(hdc, &lfw, add_font_proc, (LPARAM)&installedFontCollection, 0))
 996         {
 997             free_installed_fonts();
 998             ReleaseDC(0, hdc);
 999             return OutOfMemory;
1000         }
1001
1002         ReleaseDC(0, hdc);
1003     }
1004
1005     *fontCollection = &installedFontCollection;
1006
1007     return Ok;
1008 }