Flutter Engine
font_features.h
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1 /*
2  * Copyright 2019 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef LIB_TXT_SRC_FONT_FEATURES_H_
18 #define LIB_TXT_SRC_FONT_FEATURES_H_
19 
20 #include <map>
21 #include <string>
22 #include <vector>
23 
24 namespace txt {
25 
26 // Feature tags that can be applied in a text style to control how a font
27 // selects glyphs.
28 class FontFeatures {
29  public:
30  void SetFeature(std::string tag, int value);
31 
32  std::string GetFeatureSettings() const;
33 
34  const std::map<std::string, int>& GetFontFeatures() const;
35 
36  private:
37  std::map<std::string, int> feature_map_;
38 };
39 
40 } // namespace txt
41 
42 #endif // LIB_TXT_SRC_FONT_FEATURE_H_
std::string GetFeatureSettings() const
const std::map< std::string, int > & GetFontFeatures() const
uint8_t value
void SetFeature(std::string tag, int value)