typographer_context_stb.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FLUTTER_IMPELLER_TYPOGRAPHER_BACKENDS_STB_TYPOGRAPHER_CONTEXT_STB_H_
#define FLUTTER_IMPELLER_TYPOGRAPHER_BACKENDS_STB_TYPOGRAPHER_CONTEXT_STB_H_
 
#include "impeller/typographer/glyph_atlas.h"
#include "impeller/typographer/typographer_context.h"
 
#include <memory>
 
namespace impeller {
 
class TypographerContextSTB : public TypographerContext {
 public:
  static std::unique_ptr<TypographerContext> Make();
 
  TypographerContextSTB();
 
  ~TypographerContextSTB() override;
 
  // |TypographerContext|
  std::shared_ptr<GlyphAtlasContext> CreateGlyphAtlasContext(
      GlyphAtlas::Type type) const override;
 
  // |TypographerContext|
  std::shared_ptr<GlyphAtlas> CreateGlyphAtlas(
      Context& context,
      GlyphAtlas::Type type,
      HostBuffer& host_buffer,
      const std::shared_ptr<GlyphAtlasContext>& atlas_context,
      const FontGlyphMap& font_glyph_map) const override;
 
 private:
  TypographerContextSTB(const TypographerContextSTB&) = delete;
 
  TypographerContextSTB& operator=(const TypographerContextSTB&) = delete;
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_TYPOGRAPHER_BACKENDS_STB_TYPOGRAPHER_CONTEXT_STB_H_