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
14class SkGTypeface : public SkTypeface {
15public:
16    SkGTypeface(SkTypeface* proxy, const SkPaint&);
17    virtual ~SkGTypeface();
18
19    SkTypeface* proxy() const { return fProxy; }
20    const SkPaint& paint() const { return fPaint; }
21
22protected:
23    SkScalerContext* onCreateScalerContext(const SkDescriptor*) const override;
24    void onFilterRec(SkScalerContextRec*) const override;
25    SkAdvancedTypefaceMetrics* onGetAdvancedTypefaceMetrics(
26        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    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    size_t onGetTableData(SkFontTableTag, size_t offset,
42                          size_t length, void* data) const override;
43
44private:
45    SkTypeface* fProxy;
46    SkPaint     fPaint;
47};
48
49#endif
50