Home | History | Annotate | Download | only in subtly
      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);
     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