C++11 override should now be supported by all of {bots,Chrome,Android,Mozilla}
[platform/upstream/libSkiaSharp.git] / src / fonts / SkGScalerContext.h
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     SkScalerContext* onCreateScalerContext(const SkDescriptor*) const override;
24     void onFilterRec(SkScalerContextRec*) const override;
25     virtual SkAdvancedTypefaceMetrics* onGetAdvancedTypefaceMetrics(
26                                     SkAdvancedTypefaceMetrics::PerGlyphInfo,
27                                     const uint32_t* glyphIDs,
28                                     uint32_t glyphIDsCount) const override;
29     SkStreamAsset* onOpenStream(int* ttcIndex) const override;
30     void onGetFontDescriptor(SkFontDescriptor*, bool* isLocal) const override;
31
32     virtual int onCharsToGlyphs(const void* chars, Encoding encoding,
33                                 uint16_t glyphs[], int glyphCount) const override;
34     int onCountGlyphs() const override;
35     int onGetUPEM() const override;
36
37     void onGetFamilyName(SkString* familyName) const override;
38     SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override;
39
40     int onGetTableTags(SkFontTableTag tags[]) const override;
41     virtual size_t onGetTableData(SkFontTableTag, size_t offset,
42                                   size_t length, void* data) const override;
43
44 private:
45     SkTypeface* fProxy;
46     SkPaint     fPaint;
47 };
48
49 #endif