1/*
2 * Copyright 2018 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 TXT_FONT_ASSET_PROVIDER_H_
18#define TXT_FONT_ASSET_PROVIDER_H_
19
20#include <string>
21#include "third_party/skia/include/core/SkFontMgr.h"
22
23namespace txt {
24
25class FontAssetProvider {
26 public:
27 virtual ~FontAssetProvider() = default;
28
29 virtual size_t GetFamilyCount() const = 0;
30 virtual std::string GetFamilyName(int index) const = 0;
31 virtual SkFontStyleSet* MatchFamily(const std::string& family_name) = 0;
32
33 protected:
34 static std::string CanonicalFamilyName(std::string family_name);
35};
36
37} // namespace txt
38
39#endif // TXT_FONT_ASSET_PROVIDER_H_
40