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      1 /*
      2  * Copyright 2013 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #ifndef SkGScalerContext_DEFINED
      9 #define SkGScalerContext_DEFINED
     10 
     11 #include "SkScalerContext.h"
     12 #include "SkTypeface.h"
     13 
     14 class SkGTypeface : public SkTypeface {
     15 public:
     16     SkGTypeface(SkTypeface* proxy, const SkPaint&);
     17     virtual ~SkGTypeface();
     18 
     19     SkTypeface* proxy() const { return fProxy; }
     20     const SkPaint& paint() const { return fPaint; }
     21 
     22 protected:
     23     virtual SkScalerContext* onCreateScalerContext(const SkDescriptor*) const SK_OVERRIDE;
     24     virtual void onFilterRec(SkScalerContextRec*) const SK_OVERRIDE;
     25     virtual SkAdvancedTypefaceMetrics* onGetAdvancedTypefaceMetrics(
     26                                     SkAdvancedTypefaceMetrics::PerGlyphInfo,
     27                                     const uint32_t* glyphIDs,
     28                                     uint32_t glyphIDsCount) const SK_OVERRIDE;
     29     virtual SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE;
     30     virtual void onGetFontDescriptor(SkFontDescriptor*, bool* isLocal) const SK_OVERRIDE;
     31 
     32     virtual int onCharsToGlyphs(const void* chars, Encoding encoding,
     33                                 uint16_t glyphs[], int glyphCount) const SK_OVERRIDE;
     34     virtual int onCountGlyphs() const SK_OVERRIDE;
     35     virtual int onGetUPEM() const SK_OVERRIDE;
     36 
     37     virtual SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const SK_OVERRIDE;
     38 
     39     virtual int onGetTableTags(SkFontTableTag tags[]) const SK_OVERRIDE;
     40     virtual size_t onGetTableData(SkFontTableTag, size_t offset,
     41                                   size_t length, void* data) const SK_OVERRIDE;
     42 
     43 private:
     44     SkTypeface* fProxy;
     45     SkPaint     fPaint;
     46 };
     47 
     48 #endif
     49