[PDF] Fix font embedding restrictions.

src/ports/SkTypeface_win_dw.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDWriteFontFileStream.h"
 #include "SkFontDescriptor.h"
 #include "SkFontStream.h"
@@ skipping 343 matching lines @@
 
     HRESULT hr = S_OK;
 
     const unsigned glyphCount = fDWriteFontFace->GetGlyphCount();
 
     DWRITE_FONT_METRICS dwfm;
     fDWriteFontFace->GetMetrics(&dwfm);
 
     info = new SkAdvancedTypefaceMetrics;
     info->fEmSize = dwfm.designUnitsPerEm;
-    info->fMultiMaster = false;
     info->fLastGlyphID = SkToU16(glyphCount - 1);
     info->fStyle = 0;
+    info->fFlags = SkAdvancedTypefaceMetrics::kEmpty_FontFlag;
 
     // SkAdvancedTypefaceMetrics::fFontName is in theory supposed to be
     // the PostScript name of the font. However, due to the way it is currently
     // used, it must actually be a family name.
     SkTScopedComPtr<IDWriteLocalizedStrings> familyNames;
     hr = fDWriteFontFamily->GetFamilyNames(&familyNames);
 
     UINT32 familyNameLength;
     hr = familyNames->GetStringLength(0, &familyNameLength);
 
@@ skipping 83 matching lines @@
         if (GetCharABCWidths(hdc, stem_chars[i], stem_chars[i], &abcWidths)) {
             int16_t width = abcWidths.abcB;
             if (width > 0 && width < min_width) {
                 min_width = width;
                 info->fStemV = min_width;
             }
         }
     }
     */
 
-    // If Restricted, the font may not be embedded in a document.
-    // If not Restricted, the font can be embedded.
-    // If PreviewPrint, the embedding is read-only.
-    if (os2Table->version.v0.fsType.field.Restricted) {
-        info->fType = SkAdvancedTypefaceMetrics::kNotEmbeddable_Font;
-    } else if (perGlyphInfo & SkAdvancedTypefaceMetrics::kHAdvance_PerGlyphInfo) {
+    if (perGlyphInfo & SkAdvancedTypefaceMetrics::kHAdvance_PerGlyphInfo) {
         if (fixedWidth) {
             appendRange(&info->fGlyphWidths, 0);
             int16_t advance;
             getWidthAdvance(fDWriteFontFace.get(), 1, &advance);
             info->fGlyphWidths->fAdvance.append(1, &advance);
             finishRange(info->fGlyphWidths.get(), 0,
                         SkAdvancedTypefaceMetrics::WidthRange::kDefault);
         } else {
             info->fGlyphWidths.reset(
                 getAdvanceData(fDWriteFontFace.get(),
                                glyphCount,
                                glyphIDs,
                                glyphIDsCount,
                                getWidthAdvance));
         }
     }
 
     return info;
 }