font_features.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_TXT_SRC_TXT_FONT_FEATURES_H_
#define FLUTTER_TXT_SRC_TXT_FONT_FEATURES_H_
 
#include <map>
#include <string>
#include <vector>
 
namespace txt {
 
// Feature tags that can be applied in a text style to control how a font
// selects glyphs.
class FontFeatures {
 public:
  void SetFeature(const std::string& tag, int value);
 
  std::string GetFeatureSettings() const;
 
  const std::map<std::string, int>& GetFontFeatures() const;
 
 private:
  std::map<std::string, int> feature_map_;
};
 
// Axis tags and values that can be applied in a text style to control the
// attributes of variable fonts.
class FontVariations {
 public:
  void SetAxisValue(const std::string& tag, float value);
 
  const std::map<std::string, float>& GetAxisValues() const;
 
 private:
  std::map<std::string, float> axis_map_;
};
 
}  // namespace txt
 
#endif  // FLUTTER_TXT_SRC_TXT_FONT_FEATURES_H_