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             (*font)->pixel_size = 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             (*font)->pixel_size = 0; break;
 137         case UnitPixel:
 138             (*font)->pixel_size = emSize; break;
 139         case UnitPoint:
 140             (*font)->pixel_size = point_to_pixel(emSize); break;
 141         case UnitInch:
 142             (*font)->pixel_size = inch_to_pixel(emSize); break;
 143         case UnitDocument:
 144             (*font)->pixel_size = document_to_pixel(emSize); break;
 145         case UnitMillimeter:
 146             (*font)->pixel_size = mm_to_pixel(emSize); break;
 147     }
 148
 149     lfw->lfHeight = (*font)->pixel_size * -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     TRACE("<-- %p\n", *font);
 162
 163     return Ok;
 164 }
 165
 166 /*******************************************************************************
 167  * GdipCreateFontFromLogfontW [GDIPLUS.@]
 168  */
 169 GpStatus WINGDIPAPI GdipCreateFontFromLogfontW(HDC hdc,
 170     GDIPCONST LOGFONTW *logfont, GpFont **font)
 171 {
 172     HFONT hfont, oldfont;
 173     TEXTMETRICW textmet;
 174
 175     TRACE("(%p, %p, %p)\n", hdc, logfont, font);
 176
 177     if(!logfont || !font)
 178         return InvalidParameter;
 179
 180     if (logfont->lfFaceName[0] == 0)
 181         return NotTrueTypeFont;
 182
 183     *font = GdipAlloc(sizeof(GpFont));
 184     if(!*font)  return OutOfMemory;
 185
 186     memcpy((*font)->lfw.lfFaceName, logfont->lfFaceName, LF_FACESIZE *
 187            sizeof(WCHAR));
 188     (*font)->lfw.lfHeight = logfont->lfHeight;
 189     (*font)->lfw.lfItalic = logfont->lfItalic;
 190     (*font)->lfw.lfUnderline = logfont->lfUnderline;
 191     (*font)->lfw.lfStrikeOut = logfont->lfStrikeOut;
 192
 193     hfont = CreateFontIndirectW(&(*font)->lfw);
 194     oldfont = SelectObject(hdc, hfont);
 195     GetTextMetricsW(hdc, &textmet);
 196
 197     (*font)->lfw.lfHeight = -(textmet.tmHeight-textmet.tmInternalLeading);
 198     (*font)->lfw.lfWeight = textmet.tmWeight;
 199     (*font)->lfw.lfCharSet = textmet.tmCharSet;
 200
 201     (*font)->pixel_size = (*font)->emSize = textmet.tmHeight;
 202     (*font)->unit = UnitPixel;
 203     (*font)->height = 1; /* FIXME: need NEWTEXTMETRIC.ntmSizeEM here */
 204     (*font)->line_spacing = textmet.tmAscent + textmet.tmDescent + textmet.tmExternalLeading;
 205
 206     SelectObject(hdc, oldfont);
 207     DeleteObject(hfont);
 208
 209     TRACE("<-- %p\n", *font);
 210
 211     return Ok;
 212 }
 213
 214 /*******************************************************************************
 215  * GdipCreateFontFromLogfontA [GDIPLUS.@]
 216  */
 217 GpStatus WINGDIPAPI GdipCreateFontFromLogfontA(HDC hdc,
 218     GDIPCONST LOGFONTA *lfa, GpFont **font)
 219 {
 220     LOGFONTW lfw;
 221
 222     TRACE("(%p, %p, %p)\n", hdc, lfa, font);
 223
 224     if(!lfa || !font)
 225         return InvalidParameter;
 226
 227     memcpy(&lfw, lfa, FIELD_OFFSET(LOGFONTA,lfFaceName) );
 228
 229     if(!MultiByteToWideChar(CP_ACP, 0, lfa->lfFaceName, -1, lfw.lfFaceName, LF_FACESIZE))
 230         return GenericError;
 231
 232     return GdipCreateFontFromLogfontW(hdc, &lfw, font);
 233 }
 234
 235 /*******************************************************************************
 236  * GdipDeleteFont [GDIPLUS.@]
 237  */
 238 GpStatus WINGDIPAPI GdipDeleteFont(GpFont* font)
 239 {
 240     TRACE("(%p)\n", font);
 241
 242     if(!font)
 243         return InvalidParameter;
 244
 245     GdipFree(font);
 246
 247     return Ok;
 248 }
 249
 250 /*******************************************************************************
 251  * GdipCreateFontFromDC [GDIPLUS.@]
 252  */
 253 GpStatus WINGDIPAPI GdipCreateFontFromDC(HDC hdc, GpFont **font)
 254 {
 255     HFONT hfont;
 256     LOGFONTW lfw;
 257
 258     TRACE("(%p, %p)\n", hdc, font);
 259
 260     if(!font)
 261         return InvalidParameter;
 262
 263     hfont = GetCurrentObject(hdc, OBJ_FONT);
 264     if(!hfont)
 265         return GenericError;
 266
 267     if(!GetObjectW(hfont, sizeof(LOGFONTW), &lfw))
 268         return GenericError;
 269
 270     return GdipCreateFontFromLogfontW(hdc, &lfw, font);
 271 }
 272
 273 /*******************************************************************************
 274  * GdipGetFamily [GDIPLUS.@]
 275  *
 276  * Returns the FontFamily for the specified Font
 277  *
 278  * PARAMS
 279  *  font    [I] Font to request from
 280  *  family  [O] Resulting FontFamily object
 281  *
 282  * RETURNS
 283  *  SUCCESS: Ok
 284  *  FAILURE: An element of GpStatus
 285  */
 286 GpStatus WINGDIPAPI GdipGetFamily(GpFont *font, GpFontFamily **family)
 287 {
 288     TRACE("%p %p\n", font, family);
 289
 290     if (!(font && family))
 291         return InvalidParameter;
 292
 293     return GdipCreateFontFamilyFromName(font->lfw.lfFaceName, NULL, family);
 294 }
 295
 296 /******************************************************************************
 297  * GdipGetFontSize [GDIPLUS.@]
 298  *
 299  * Returns the size of the font in Units
 300  *
 301  * PARAMS
 302  *  *font       [I] The font to retrieve size from
 303  *  *size       [O] Pointer to hold retrieved value
 304  *
 305  * RETURNS
 306  *  SUCCESS: Ok
 307  *  FAILURE: InvalidParameter (font or size was NULL)
 308  *
 309  * NOTES
 310  *  Size returned is actually emSize -- not internal size used for drawing.
 311  */
 312 GpStatus WINGDIPAPI GdipGetFontSize(GpFont *font, REAL *size)
 313 {
 314     TRACE("(%p, %p)\n", font, size);
 315
 316     if (!(font && size)) return InvalidParameter;
 317
 318     *size = font->emSize;
 319
 320     return Ok;
 321 }
 322
 323 /*******************************************************************************
 324  * GdipGetFontStyle [GDIPLUS.@]
 325  *
 326  * Gets the font's style, returned in bitwise OR of FontStyle enumeration
 327  *
 328  * PARAMS
 329  *  font    [I] font to request from
 330  *  style   [O] resulting pointer to a FontStyle enumeration
 331  *
 332  * RETURNS
 333  *  SUCCESS: Ok
 334  *  FAILURE: InvalidParameter
 335  */
 336 GpStatus WINGDIPAPI GdipGetFontStyle(GpFont *font, INT *style)
 337 {
 338     TRACE("%p %p\n", font, style);
 339
 340     if (!(font && style))
 341         return InvalidParameter;
 342
 343     if (font->lfw.lfWeight > 400)
 344         *style = FontStyleBold;
 345     else
 346         *style = 0;
 347     if (font->lfw.lfItalic)
 348         *style |= FontStyleItalic;
 349     if (font->lfw.lfUnderline)
 350         *style |= FontStyleUnderline;
 351     if (font->lfw.lfStrikeOut)
 352         *style |= FontStyleStrikeout;
 353
 354     return Ok;
 355 }
 356
 357 /*******************************************************************************
 358  * GdipGetFontUnit  [GDIPLUS.@]
 359  *
 360  * PARAMS
 361  *  font    [I] Font to retrieve from
 362  *  unit    [O] Return value
 363  *
 364  * RETURNS
 365  *  FAILURE: font or unit was NULL
 366  *  OK: otherwise
 367  */
 368 GpStatus WINGDIPAPI GdipGetFontUnit(GpFont *font, Unit *unit)
 369 {
 370     TRACE("(%p, %p)\n", font, unit);
 371
 372     if (!(font && unit)) return InvalidParameter;
 373
 374     *unit = font->unit;
 375
 376     return Ok;
 377 }
 378
 379 /*******************************************************************************
 380  * GdipGetLogFontA [GDIPLUS.@]
 381  */
 382 GpStatus WINGDIPAPI GdipGetLogFontA(GpFont *font, GpGraphics *graphics,
 383     LOGFONTA *lfa)
 384 {
 385     GpStatus status;
 386     LOGFONTW lfw;
 387
 388     TRACE("(%p, %p, %p)\n", font, graphics, lfa);
 389
 390     status = GdipGetLogFontW(font, graphics, &lfw);
 391     if(status != Ok)
 392         return status;
 393
 394     memcpy(lfa, &lfw, FIELD_OFFSET(LOGFONTA,lfFaceName) );
 395
 396     if(!WideCharToMultiByte(CP_ACP, 0, lfw.lfFaceName, -1, lfa->lfFaceName, LF_FACESIZE, NULL, NULL))
 397         return GenericError;
 398
 399     return Ok;
 400 }
 401
 402 /*******************************************************************************
 403  * GdipGetLogFontW [GDIPLUS.@]
 404  */
 405 GpStatus WINGDIPAPI GdipGetLogFontW(GpFont *font, GpGraphics *graphics,
 406     LOGFONTW *lfw)
 407 {
 408     TRACE("(%p, %p, %p)\n", font, graphics, lfw);
 409
 410     /* FIXME: use graphics */
 411     if(!font || !graphics || !lfw)
 412         return InvalidParameter;
 413
 414     *lfw = font->lfw;
 415
 416     return Ok;
 417 }
 418
 419 /*******************************************************************************
 420  * GdipCloneFont [GDIPLUS.@]
 421  */
 422 GpStatus WINGDIPAPI GdipCloneFont(GpFont *font, GpFont **cloneFont)
 423 {
 424     TRACE("(%p, %p)\n", font, cloneFont);
 425
 426     if(!font || !cloneFont)
 427         return InvalidParameter;
 428
 429     *cloneFont = GdipAlloc(sizeof(GpFont));
 430     if(!*cloneFont)    return OutOfMemory;
 431
 432     **cloneFont = *font;
 433
 434     return Ok;
 435 }
 436
 437 /*******************************************************************************
 438  * GdipGetFontHeight [GDIPLUS.@]
 439  * PARAMS
 440  *  font        [I] Font to retrieve height from
 441  *  graphics    [I] The current graphics context
 442  *  height      [O] Resulting height
 443  * RETURNS
 444  *  SUCCESS: Ok
 445  *  FAILURE: Another element of GpStatus
 446  *
 447  * NOTES
 448  *  Forwards to GdipGetFontHeightGivenDPI
 449  */
 450 GpStatus WINGDIPAPI GdipGetFontHeight(GDIPCONST GpFont *font,
 451         GDIPCONST GpGraphics *graphics, REAL *height)
 452 {
 453     REAL dpi;
 454     GpStatus stat;
 455
 456     TRACE("%p %p %p\n", font, graphics, height);
 457
 458     stat = GdipGetDpiY((GpGraphics*)graphics, &dpi);
 459
 460     if (stat == Ok)
 461         stat = GdipGetFontHeightGivenDPI(font, dpi, height);
 462
 463     return stat;
 464 }
 465
 466 /*******************************************************************************
 467  * GdipGetFontHeightGivenDPI [GDIPLUS.@]
 468  * PARAMS
 469  *  font        [I] Font to retrieve DPI from
 470  *  dpi         [I] DPI to assume
 471  *  height      [O] Return value
 472  *
 473  * RETURNS
 474  *  SUCCESS: Ok
 475  *  FAILURE: InvalidParameter if font or height is NULL
 476  *
 477  * NOTES
 478  *  According to MSDN, the result is (lineSpacing)*(fontSize / emHeight)*dpi
 479  *  (for anything other than unit Pixel)
 480  */
 481 GpStatus WINGDIPAPI GdipGetFontHeightGivenDPI(GDIPCONST GpFont *font, REAL dpi, REAL *height)
 482 {
 483     REAL font_height;
 484
 485     TRACE("%p (%s), %f, %p\n", font,
 486             debugstr_w(font->lfw.lfFaceName), dpi, height);
 487
 488     if (!(font && height)) return InvalidParameter;
 489
 490     font_height = font->line_spacing * (font->emSize / font->height);
 491
 492     switch (font->unit)
 493     {
 494         case UnitPixel:
 495         case UnitWorld:
 496             *height = font_height;
 497             break;
 498         case UnitPoint:
 499             *height = font_height * dpi * inch_per_point;
 500             break;
 501         case UnitInch:
 502             *height = font_height * dpi;
 503             break;
 504         case UnitDocument:
 505             *height = font_height * (dpi / 300.0);
 506             break;
 507         case UnitMillimeter:
 508             *height = font_height * (dpi / mm_per_inch);
 509             break;
 510         default:
 511             FIXME("Unhandled unit type: %d\n", font->unit);
 512             return NotImplemented;
 513     }
 514
 515     return Ok;
 516 }
 517
 518 /***********************************************************************
 519  * Borrowed from GDI32:
 520  *
 521  * Elf is really an ENUMLOGFONTEXW, and ntm is a NEWTEXTMETRICEXW.
 522  *     We have to use other types because of the FONTENUMPROCW definition.
 523  */
 524 static INT CALLBACK is_font_installed_proc(const LOGFONTW *elf,
 525                             const TEXTMETRICW *ntm, DWORD type, LPARAM lParam)
 526 {
 527     if (!ntm || type == RASTER_FONTTYPE)
 528     {
 529         return 1;
 530     }
 531
 532     *(NEWTEXTMETRICW*)lParam = *(const NEWTEXTMETRICW*)ntm;
 533
 534     return 0;
 535 }
 536
 537 static BOOL find_installed_font(const WCHAR *name, NEWTEXTMETRICW *ntm)
 538 {
 539     HDC hdc = GetDC(0);
 540     BOOL ret = FALSE;
 541
 542     if(!EnumFontFamiliesW(hdc, name, is_font_installed_proc, (LPARAM)ntm))
 543         ret = TRUE;
 544
 545     ReleaseDC(0, hdc);
 546     return ret;
 547 }
 548
 549 /*******************************************************************************
 550  * GdipCreateFontFamilyFromName [GDIPLUS.@]
 551  *
 552  * Creates a font family object based on a supplied name
 553  *
 554  * PARAMS
 555  *  name               [I] Name of the font
 556  *  fontCollection     [I] What font collection (if any) the font belongs to (may be NULL)
 557  *  FontFamily         [O] Pointer to the resulting FontFamily object
 558  *
 559  * RETURNS
 560  *  SUCCESS: Ok
 561  *  FAILURE: FamilyNotFound if the requested FontFamily does not exist on the system
 562  *  FAILURE: Invalid parameter if FontFamily or name is NULL
 563  *
 564  * NOTES
 565  *   If fontCollection is NULL then the object is not part of any collection
 566  *
 567  */
 568
 569 GpStatus WINGDIPAPI GdipCreateFontFamilyFromName(GDIPCONST WCHAR *name,
 570                                         GpFontCollection *fontCollection,
 571                                         GpFontFamily **FontFamily)
 572 {
 573     GpFontFamily* ffamily;
 574     NEWTEXTMETRICW ntm;
 575
 576     TRACE("%s, %p %p\n", debugstr_w(name), fontCollection, FontFamily);
 577
 578     if (!(name && FontFamily))
 579         return InvalidParameter;
 580     if (fontCollection)
 581         FIXME("No support for FontCollections yet!\n");
 582
 583     if (!find_installed_font(name, &ntm))
 584         return FontFamilyNotFound;
 585
 586     ffamily = GdipAlloc(sizeof (GpFontFamily));
 587     if (!ffamily) return OutOfMemory;
 588
 589     ffamily->tmw = ntm;
 590     lstrcpynW(ffamily->FamilyName, name, LF_FACESIZE);
 591
 592     *FontFamily = ffamily;
 593
 594     TRACE("<-- %p\n", ffamily);
 595
 596     return Ok;
 597 }
 598
 599 /*******************************************************************************
 600  * GdipCloneFontFamily [GDIPLUS.@]
 601  *
 602  * Creates a deep copy of a Font Family object
 603  *
 604  * PARAMS
 605  *  FontFamily          [I] Font to clone
 606  *  clonedFontFamily    [O] The resulting cloned font
 607  *
 608  * RETURNS
 609  *  SUCCESS: Ok
 610  */
 611 GpStatus WINGDIPAPI GdipCloneFontFamily(GpFontFamily* FontFamily, GpFontFamily** clonedFontFamily)
 612 {
 613     if (!(FontFamily && clonedFontFamily)) return InvalidParameter;
 614
 615     TRACE("stub: %p (%s), %p\n", FontFamily,
 616             debugstr_w(FontFamily->FamilyName), clonedFontFamily);
 617
 618     *clonedFontFamily = GdipAlloc(sizeof(GpFontFamily));
 619     if (!*clonedFontFamily) return OutOfMemory;
 620
 621     (*clonedFontFamily)->tmw = FontFamily->tmw;
 622     lstrcpyW((*clonedFontFamily)->FamilyName, FontFamily->FamilyName);
 623
 624     TRACE("<-- %p\n", *clonedFontFamily);
 625
 626     return Ok;
 627 }
 628
 629 /*******************************************************************************
 630  * GdipGetFamilyName [GDIPLUS.@]
 631  *
 632  * Returns the family name into name
 633  *
 634  * PARAMS
 635  *  *family     [I] Family to retrieve from
 636  *  *name       [O] WCHARS of the family name
 637  *  LANGID      [I] charset
 638  *
 639  * RETURNS
 640  *  SUCCESS: Ok
 641  *  FAILURE: InvalidParameter if family is NULL
 642  *
 643  * NOTES
 644  *   If name is a NULL ptr, then both XP and Vista will crash (so we do as well)
 645  */
 646 GpStatus WINGDIPAPI GdipGetFamilyName (GDIPCONST GpFontFamily *family,
 647                                        WCHAR *name, LANGID language)
 648 {
 649     static int lang_fixme;
 650
 651     if (family == NULL)
 652          return InvalidParameter;
 653
 654     TRACE("%p, %p, %d\n", family, name, language);
 655
 656     if (language != LANG_NEUTRAL && !lang_fixme++)
 657         FIXME("No support for handling of multiple languages!\n");
 658
 659     lstrcpynW (name, family->FamilyName, LF_FACESIZE);
 660
 661     return Ok;
 662 }
 663
 664
 665 /*****************************************************************************
 666  * GdipDeleteFontFamily [GDIPLUS.@]
 667  *
 668  * Removes the specified FontFamily
 669  *
 670  * PARAMS
 671  *  *FontFamily         [I] The family to delete
 672  *
 673  * RETURNS
 674  *  SUCCESS: Ok
 675  *  FAILURE: InvalidParameter if FontFamily is NULL.
 676  *
 677  */
 678 GpStatus WINGDIPAPI GdipDeleteFontFamily(GpFontFamily *FontFamily)
 679 {
 680     if (!FontFamily)
 681         return InvalidParameter;
 682     TRACE("Deleting %p (%s)\n", FontFamily, debugstr_w(FontFamily->FamilyName));
 683
 684     GdipFree (FontFamily);
 685
 686     return Ok;
 687 }
 688
 689 GpStatus WINGDIPAPI GdipGetCellAscent(GDIPCONST GpFontFamily *family,
 690         INT style, UINT16* CellAscent)
 691 {
 692     if (!(family && CellAscent)) return InvalidParameter;
 693
 694     *CellAscent = family->tmw.tmAscent;
 695
 696     return Ok;
 697 }
 698
 699 GpStatus WINGDIPAPI GdipGetCellDescent(GDIPCONST GpFontFamily *family,
 700         INT style, UINT16* CellDescent)
 701 {
 702     TRACE("(%p, %d, %p)\n", family, style, CellDescent);
 703
 704     if (!(family && CellDescent)) return InvalidParameter;
 705
 706     *CellDescent = family->tmw.tmDescent;
 707
 708     return Ok;
 709 }
 710
 711 /*******************************************************************************
 712  * GdipGetEmHeight [GDIPLUS.@]
 713  *
 714  * Gets the height of the specified family in EmHeights
 715  *
 716  * PARAMS
 717  *  family      [I] Family to retrieve from
 718  *  style       [I] (optional) style
 719  *  EmHeight    [O] return value
 720  *
 721  * RETURNS
 722  *  SUCCESS: Ok
 723  *  FAILURE: InvalidParameter
 724  */
 725 GpStatus WINGDIPAPI GdipGetEmHeight(GDIPCONST GpFontFamily *family, INT style, UINT16* EmHeight)
 726 {
 727     if (!(family && EmHeight)) return InvalidParameter;
 728
 729     TRACE("%p (%s), %d, %p\n", family, debugstr_w(family->FamilyName), style, EmHeight);
 730
 731     *EmHeight = family->tmw.ntmSizeEM;
 732
 733     return Ok;
 734 }
 735
 736
 737 /*******************************************************************************
 738  * GdipGetLineSpacing [GDIPLUS.@]
 739  *
 740  * Returns the line spacing in design units
 741  *
 742  * PARAMS
 743  *  family      [I] Family to retrieve from
 744  *  style       [I] (Optional) font style
 745  *  LineSpacing [O] Return value
 746  *
 747  * RETURNS
 748  *  SUCCESS: Ok
 749  *  FAILURE: InvalidParameter (family or LineSpacing was NULL)
 750  */
 751 GpStatus WINGDIPAPI GdipGetLineSpacing(GDIPCONST GpFontFamily *family,
 752         INT style, UINT16* LineSpacing)
 753 {
 754     TRACE("%p, %d, %p\n", family, style, LineSpacing);
 755
 756     if (!(family && LineSpacing))
 757         return InvalidParameter;
 758
 759     if (style) FIXME("ignoring style\n");
 760
 761     *LineSpacing = family->tmw.tmAscent + family->tmw.tmDescent + family->tmw.tmExternalLeading;
 762
 763     return Ok;
 764 }
 765
 766 static INT CALLBACK font_has_style_proc(const LOGFONTW *elf,
 767                             const TEXTMETRICW *ntm, DWORD type, LPARAM lParam)
 768 {
 769     INT fontstyle=0;
 770
 771     if (!ntm) return 1;
 772
 773     if (ntm->tmWeight >= FW_BOLD) fontstyle |= FontStyleBold;
 774     if (ntm->tmItalic) fontstyle |= FontStyleItalic;
 775     if (ntm->tmUnderlined) fontstyle |= FontStyleUnderline;
 776     if (ntm->tmStruckOut) fontstyle |= FontStyleStrikeout;
 777
 778     return (INT)lParam != fontstyle;
 779 }
 780
 781 GpStatus WINGDIPAPI GdipIsStyleAvailable(GDIPCONST GpFontFamily* family,
 782         INT style, BOOL* IsStyleAvailable)
 783 {
 784     HDC hdc;
 785
 786     TRACE("%p %d %p\n", family, style, IsStyleAvailable);
 787
 788     if (!(family && IsStyleAvailable))
 789         return InvalidParameter;
 790
 791     *IsStyleAvailable = FALSE;
 792
 793     hdc = GetDC(0);
 794
 795     if(!EnumFontFamiliesW(hdc, family->FamilyName, font_has_style_proc, (LPARAM)style))
 796         *IsStyleAvailable = TRUE;
 797
 798     ReleaseDC(0, hdc);
 799
 800     return Ok;
 801 }
 802
 803 /*****************************************************************************
 804  * GdipGetGenericFontFamilyMonospace [GDIPLUS.@]
 805  *
 806  * Obtains a serif family (Courier New on Windows)
 807  *
 808  * PARAMS
 809  *  **nativeFamily         [I] Where the font will be stored
 810  *
 811  * RETURNS
 812  *  InvalidParameter if nativeFamily is NULL.
 813  *  Ok otherwise.
 814  */
 815 GpStatus WINGDIPAPI GdipGetGenericFontFamilyMonospace(GpFontFamily **nativeFamily)
 816 {
 817     static const WCHAR CourierNew[] = {'C','o','u','r','i','e','r',' ','N','e','w','\0'};
 818     static const WCHAR LiberationMono[] = {'L','i','b','e','r','a','t','i','o','n',' ','M','o','n','o','\0'};
 819     GpStatus stat;
 820
 821     if (nativeFamily == NULL) return InvalidParameter;
 822
 823     stat = GdipCreateFontFamilyFromName(CourierNew, NULL, nativeFamily);
 824
 825     if (stat == FontFamilyNotFound)
 826         stat = GdipCreateFontFamilyFromName(LiberationMono, NULL, nativeFamily);
 827
 828     if (stat == FontFamilyNotFound)
 829         ERR("Missing 'Courier New' font\n");
 830
 831     return stat;
 832 }
 833
 834 /*****************************************************************************
 835  * GdipGetGenericFontFamilySerif [GDIPLUS.@]
 836  *
 837  * Obtains a serif family (Times New Roman on Windows)
 838  *
 839  * PARAMS
 840  *  **nativeFamily         [I] Where the font will be stored
 841  *
 842  * RETURNS
 843  *  InvalidParameter if nativeFamily is NULL.
 844  *  Ok otherwise.
 845  */
 846 GpStatus WINGDIPAPI GdipGetGenericFontFamilySerif(GpFontFamily **nativeFamily)
 847 {
 848     static const WCHAR TimesNewRoman[] = {'T','i','m','e','s',' ','N','e','w',' ','R','o','m','a','n','\0'};
 849     static const WCHAR LiberationSerif[] = {'L','i','b','e','r','a','t','i','o','n',' ','S','e','r','i','f','\0'};
 850     GpStatus stat;
 851
 852     TRACE("(%p)\n", nativeFamily);
 853
 854     if (nativeFamily == NULL) return InvalidParameter;
 855
 856     stat = GdipCreateFontFamilyFromName(TimesNewRoman, NULL, nativeFamily);
 857
 858     if (stat == FontFamilyNotFound)
 859         stat = GdipCreateFontFamilyFromName(LiberationSerif, NULL, nativeFamily);
 860
 861     if (stat == FontFamilyNotFound)
 862         ERR("Missing 'Times New Roman' font\n");
 863
 864     return stat;
 865 }
 866
 867 /*****************************************************************************
 868  * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
 869  *
 870  * Obtains a serif family (Microsoft Sans Serif on Windows)
 871  *
 872  * PARAMS
 873  *  **nativeFamily         [I] Where the font will be stored
 874  *
 875  * RETURNS
 876  *  InvalidParameter if nativeFamily is NULL.
 877  *  Ok otherwise.
 878  */
 879 GpStatus WINGDIPAPI GdipGetGenericFontFamilySansSerif(GpFontFamily **nativeFamily)
 880 {
 881     GpStatus stat;
 882     static const WCHAR MicrosoftSansSerif[] = {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f','\0'};
 883     static const WCHAR Tahoma[] = {'T','a','h','o','m','a','\0'};
 884
 885     TRACE("(%p)\n", nativeFamily);
 886
 887     if (nativeFamily == NULL) return InvalidParameter;
 888
 889     stat = GdipCreateFontFamilyFromName(MicrosoftSansSerif, NULL, nativeFamily);
 890
 891     if (stat == FontFamilyNotFound)
 892         /* FIXME: Microsoft Sans Serif is not installed on Wine. */
 893         stat = GdipCreateFontFamilyFromName(Tahoma, NULL, nativeFamily);
 894
 895     return stat;
 896 }
 897
 898 /*****************************************************************************
 899  * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
 900  */
 901 GpStatus WINGDIPAPI GdipNewPrivateFontCollection(GpFontCollection** fontCollection)
 902 {
 903     TRACE("%p\n", fontCollection);
 904
 905     if (!fontCollection)
 906         return InvalidParameter;
 907
 908     *fontCollection = GdipAlloc(sizeof(GpFontCollection));
 909     if (!*fontCollection) return OutOfMemory;
 910
 911     (*fontCollection)->FontFamilies = NULL;
 912     (*fontCollection)->count = 0;
 913     (*fontCollection)->allocated = 0;
 914
 915     TRACE("<-- %p\n", *fontCollection);
 916
 917     return Ok;
 918 }
 919
 920 /*****************************************************************************
 921  * GdipDeletePrivateFontCollection [GDIPLUS.@]
 922  */
 923 GpStatus WINGDIPAPI GdipDeletePrivateFontCollection(GpFontCollection **fontCollection)
 924 {
 925     INT i;
 926
 927     TRACE("%p\n", fontCollection);
 928
 929     if (!fontCollection)
 930         return InvalidParameter;
 931
 932     for (i = 0; i < (*fontCollection)->count; i++) GdipFree((*fontCollection)->FontFamilies[i]);
 933     GdipFree(*fontCollection);
 934
 935     return Ok;
 936 }
 937
 938 /*****************************************************************************
 939  * GdipPrivateAddFontFile [GDIPLUS.@]
 940  */
 941 GpStatus WINGDIPAPI GdipPrivateAddFontFile(GpFontCollection* fontCollection,
 942         GDIPCONST WCHAR* filename)
 943 {
 944     FIXME("stub: %p, %s\n", fontCollection, debugstr_w(filename));
 945
 946     if (!(fontCollection && filename))
 947         return InvalidParameter;
 948
 949     return NotImplemented;
 950 }
 951
 952 /* Copied from msi/font.c */
 953
 954 typedef struct _tagTT_OFFSET_TABLE {
 955     USHORT uMajorVersion;
 956     USHORT uMinorVersion;
 957     USHORT uNumOfTables;
 958     USHORT uSearchRange;
 959     USHORT uEntrySelector;
 960     USHORT uRangeShift;
 961 } TT_OFFSET_TABLE;
 962
 963 typedef struct _tagTT_TABLE_DIRECTORY {
 964     char szTag[4]; /* table name */
 965     ULONG uCheckSum; /* Check sum */
 966     ULONG uOffset; /* Offset from beginning of file */
 967     ULONG uLength; /* length of the table in bytes */
 968 } TT_TABLE_DIRECTORY;
 969
 970 typedef struct _tagTT_NAME_TABLE_HEADER {
 971     USHORT uFSelector; /* format selector. Always 0 */
 972     USHORT uNRCount; /* Name Records count */
 973     USHORT uStorageOffset; /* Offset for strings storage,
 974                             * from start of the table */
 975 } TT_NAME_TABLE_HEADER;
 976
 977 #define NAME_ID_FULL_FONT_NAME  4
 978 #define NAME_ID_VERSION         5
 979
 980 typedef struct _tagTT_NAME_RECORD {
 981     USHORT uPlatformID;
 982     USHORT uEncodingID;
 983     USHORT uLanguageID;
 984     USHORT uNameID;
 985     USHORT uStringLength;
 986     USHORT uStringOffset; /* from start of storage area */
 987 } TT_NAME_RECORD;
 988
 989 #define SWAPWORD(x) MAKEWORD(HIBYTE(x), LOBYTE(x))
 990 #define SWAPLONG(x) MAKELONG(SWAPWORD(HIWORD(x)), SWAPWORD(LOWORD(x)))
 991
 992 /*
 993  * Code based off of code located here
 994  * http://www.codeproject.com/gdi/fontnamefromfile.asp
 995  */
 996 static WCHAR *load_ttf_name_id( const char *mem, DWORD_PTR size, DWORD id, WCHAR *ret, DWORD len )
 997 {
 998     const TT_TABLE_DIRECTORY *tblDir;
 999     TT_OFFSET_TABLE ttOffsetTable;
1000     TT_NAME_TABLE_HEADER ttNTHeader;
1001     TT_NAME_RECORD ttRecord;
1002     DWORD ofs, pos;
1003     int i;
1004
1005     if (sizeof(TT_OFFSET_TABLE) > size)
1006         return NULL;
1007     ttOffsetTable = *(TT_OFFSET_TABLE*)mem;
1008     ttOffsetTable.uNumOfTables = SWAPWORD(ttOffsetTable.uNumOfTables);
1009     ttOffsetTable.uMajorVersion = SWAPWORD(ttOffsetTable.uMajorVersion);
1010     ttOffsetTable.uMinorVersion = SWAPWORD(ttOffsetTable.uMinorVersion);
1011
1012     if (ttOffsetTable.uMajorVersion != 1 || ttOffsetTable.uMinorVersion != 0)
1013         return NULL;
1014
1015     pos = sizeof(ttOffsetTable);
1016     for (i = 0; i < ttOffsetTable.uNumOfTables; i++)
1017     {
1018         tblDir = (const TT_TABLE_DIRECTORY*)&mem[pos];
1019         pos += sizeof(*tblDir);
1020         if (memcmp(tblDir->szTag,"name",4)==0)
1021         {
1022             ofs = SWAPLONG(tblDir->uOffset);
1023             break;
1024         }
1025     }
1026     if (i >= ttOffsetTable.uNumOfTables)
1027         return NULL;
1028
1029     pos = ofs + sizeof(ttNTHeader);
1030     if (pos > size)
1031         return NULL;
1032     ttNTHeader = *(TT_NAME_TABLE_HEADER*)&mem[ofs];
1033     ttNTHeader.uNRCount = SWAPWORD(ttNTHeader.uNRCount);
1034     ttNTHeader.uStorageOffset = SWAPWORD(ttNTHeader.uStorageOffset);
1035     for(i=0; i<ttNTHeader.uNRCount; i++)
1036     {
1037         ttRecord = *(TT_NAME_RECORD*)&mem[pos];
1038         pos += sizeof(ttRecord);
1039         if (pos > size)
1040             return NULL;
1041
1042         ttRecord.uNameID = SWAPWORD(ttRecord.uNameID);
1043         if (ttRecord.uNameID == id)
1044         {
1045             const char *buf;
1046
1047             ttRecord.uStringLength = SWAPWORD(ttRecord.uStringLength);
1048             ttRecord.uStringOffset = SWAPWORD(ttRecord.uStringOffset);
1049             if (ofs + ttRecord.uStringOffset + ttNTHeader.uStorageOffset + ttRecord.uStringLength > size)
1050                 return NULL;
1051             buf = mem + ofs + ttRecord.uStringOffset + ttNTHeader.uStorageOffset;
1052             len = MultiByteToWideChar(CP_ACP, 0, buf, ttRecord.uStringLength, ret, len-1);
1053             ret[len] = 0;
1054             return ret;
1055         }
1056     }
1057     return NULL;
1058 }
1059
1060 static INT CALLBACK add_font_proc(const LOGFONTW *lfw, const TEXTMETRICW *ntm, DWORD type, LPARAM lParam);
1061
1062 /*****************************************************************************
1063  * GdipPrivateAddMemoryFont [GDIPLUS.@]
1064  */
1065 GpStatus WINGDIPAPI GdipPrivateAddMemoryFont(GpFontCollection* fontCollection,
1066         GDIPCONST void* memory, INT length)
1067 {
1068     WCHAR buf[32], *name;
1069     DWORD count = 0;
1070     HANDLE font;
1071     TRACE("%p, %p, %d\n", fontCollection, memory, length);
1072
1073     if (!fontCollection || !memory || !length)
1074         return InvalidParameter;
1075
1076     name = load_ttf_name_id(memory, length, NAME_ID_FULL_FONT_NAME, buf, sizeof(buf)/sizeof(*buf));
1077     if (!name)
1078         return OutOfMemory;
1079
1080     font = AddFontMemResourceEx((void*)memory, length, NULL, &count);
1081     TRACE("%s: %p/%u\n", debugstr_w(name), font, count);
1082     if (!font || !count)
1083         return InvalidParameter;
1084
1085     if (count)
1086     {
1087         HDC hdc;
1088         LOGFONTW lfw;
1089
1090         hdc = GetDC(0);
1091
1092         lfw.lfCharSet = DEFAULT_CHARSET;
1093         lstrcpyW(lfw.lfFaceName, name);
1094         lfw.lfPitchAndFamily = 0;
1095
1096         if (!EnumFontFamiliesExW(hdc, &lfw, add_font_proc, (LPARAM)fontCollection, 0))
1097         {
1098             ReleaseDC(0, hdc);
1099             return OutOfMemory;
1100         }
1101
1102         ReleaseDC(0, hdc);
1103     }
1104     return Ok;
1105 }
1106
1107 /*****************************************************************************
1108  * GdipGetFontCollectionFamilyCount [GDIPLUS.@]
1109  */
1110 GpStatus WINGDIPAPI GdipGetFontCollectionFamilyCount(
1111         GpFontCollection* fontCollection, INT* numFound)
1112 {
1113     TRACE("%p, %p\n", fontCollection, numFound);
1114
1115     if (!(fontCollection && numFound))
1116         return InvalidParameter;
1117
1118     *numFound = fontCollection->count;
1119     return Ok;
1120 }
1121
1122 /*****************************************************************************
1123  * GdipGetFontCollectionFamilyList [GDIPLUS.@]
1124  */
1125 GpStatus WINGDIPAPI GdipGetFontCollectionFamilyList(
1126         GpFontCollection* fontCollection, INT numSought,
1127         GpFontFamily* gpfamilies[], INT* numFound)
1128 {
1129     INT i;
1130     GpStatus stat=Ok;
1131
1132     TRACE("%p, %d, %p, %p\n", fontCollection, numSought, gpfamilies, numFound);
1133
1134     if (!(fontCollection && gpfamilies && numFound))
1135         return InvalidParameter;
1136
1137     memset(gpfamilies, 0, sizeof(*gpfamilies) * numSought);
1138
1139     for (i = 0; i < numSought && i < fontCollection->count && stat == Ok; i++)
1140     {
1141         stat = GdipCloneFontFamily(fontCollection->FontFamilies[i], &gpfamilies[i]);
1142     }
1143
1144     if (stat == Ok)
1145         *numFound = i;
1146     else
1147     {
1148         int numToFree=i;
1149         for (i=0; i<numToFree; i++)
1150         {
1151             GdipDeleteFontFamily(gpfamilies[i]);
1152             gpfamilies[i] = NULL;
1153         }
1154     }
1155
1156     return stat;
1157 }
1158
1159 void free_installed_fonts(void)
1160 {
1161     while (installedFontCollection.count)
1162         GdipDeleteFontFamily(installedFontCollection.FontFamilies[--installedFontCollection.count]);
1163     HeapFree(GetProcessHeap(), 0, installedFontCollection.FontFamilies);
1164     installedFontCollection.FontFamilies = NULL;
1165     installedFontCollection.allocated = 0;
1166 }
1167
1168 static INT CALLBACK add_font_proc(const LOGFONTW *lfw, const TEXTMETRICW *ntm,
1169         DWORD type, LPARAM lParam)
1170 {
1171     GpFontCollection* fonts = (GpFontCollection*)lParam;
1172     int i;
1173
1174     if (type == RASTER_FONTTYPE)
1175         return 1;
1176
1177     /* skip duplicates */
1178     for (i=0; i<fonts->count; i++)
1179         if (strcmpiW(lfw->lfFaceName, fonts->FontFamilies[i]->FamilyName) == 0)
1180             return 1;
1181
1182     if (fonts->allocated == fonts->count)
1183     {
1184         INT new_alloc_count = fonts->allocated+50;
1185         GpFontFamily** new_family_list = HeapAlloc(GetProcessHeap(), 0, new_alloc_count*sizeof(void*));
1186
1187         if (!new_family_list)
1188             return 0;
1189
1190         memcpy(new_family_list, fonts->FontFamilies, fonts->count*sizeof(void*));
1191         HeapFree(GetProcessHeap(), 0, fonts->FontFamilies);
1192         fonts->FontFamilies = new_family_list;
1193         fonts->allocated = new_alloc_count;
1194     }
1195
1196     if (GdipCreateFontFamilyFromName(lfw->lfFaceName, NULL, &fonts->FontFamilies[fonts->count]) == Ok)
1197         fonts->count++;
1198     else
1199         return 0;
1200
1201     return 1;
1202 }
1203
1204 GpStatus WINGDIPAPI GdipNewInstalledFontCollection(
1205         GpFontCollection** fontCollection)
1206 {
1207     TRACE("(%p)\n",fontCollection);
1208
1209     if (!fontCollection)
1210         return InvalidParameter;
1211
1212     if (installedFontCollection.count == 0)
1213     {
1214         HDC hdc;
1215         LOGFONTW lfw;
1216
1217         hdc = GetDC(0);
1218
1219         lfw.lfCharSet = DEFAULT_CHARSET;
1220         lfw.lfFaceName[0] = 0;
1221         lfw.lfPitchAndFamily = 0;
1222
1223         if (!EnumFontFamiliesExW(hdc, &lfw, add_font_proc, (LPARAM)&installedFontCollection, 0))
1224         {
1225             free_installed_fonts();
1226             ReleaseDC(0, hdc);
1227             return OutOfMemory;
1228         }
1229
1230         ReleaseDC(0, hdc);
1231     }
1232
1233     *fontCollection = &installedFontCollection;
1234
1235     return Ok;
1236 }