1 /* 2 * Copyright 2011 Google Inc. All Rights Reserved. 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 TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_SUBSETTER_H_ 18 #define TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_SUBSETTER_H_ 19 20 #include "sfntly/font.h" 21 // Cannot remove this header due to Ptr<T> instantiation issue 22 #include "subtly/character_predicate.h" 23 24 namespace subtly { 25 // Subsets a given font using a character predicate. 26 class Subsetter : public sfntly::RefCounted<Subsetter> { 27 public: 28 Subsetter(sfntly::Font* font, CharacterPredicate* predicate); 29 Subsetter(const char* font_path, CharacterPredicate* predicate); ~Subsetter()30 virtual ~Subsetter() { } 31 32 // Performs subsetting returning the subsetted font. 33 virtual CALLER_ATTACH sfntly::Font* Subset(); 34 35 private: 36 sfntly::Ptr<sfntly::Font> font_; 37 sfntly::Ptr<CharacterPredicate> predicate_; 38 }; 39 } 40 41 #endif // TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_SUBSETTER_H_ 42