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    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 void onGetFamilyName(SkString* familyName) const SK_OVERRIDE;
38    virtual SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const SK_OVERRIDE;
39
40    virtual int onGetTableTags(SkFontTableTag tags[]) const SK_OVERRIDE;
41    virtual size_t onGetTableData(SkFontTableTag, size_t offset,
42                                  size_t length, void* data) const SK_OVERRIDE;
43
44private:
45    SkTypeface* fProxy;
46    SkPaint     fPaint;
47};
48
49#endif
50