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_FONT_ASSEMBLER_H_ 18 #define TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_FONT_ASSEMBLER_H_ 19 20 #include <set> 21 #include <map> 22 23 #include "subtly/font_info.h" 24 25 #include "sfntly/tag.h" 26 #include "sfntly/font.h" 27 #include "sfntly/port/type.h" 28 #include "sfntly/port/refcount.h" 29 #include "sfntly/table/core/cmap_table.h" 30 #include "sfntly/table/truetype/glyph_table.h" 31 #include "sfntly/table/truetype/loca_table.h" 32 33 namespace subtly { 34 // Assembles FontInfo into font builders. 35 // Does not take ownership of data passed to it. 36 class FontAssembler : public sfntly::RefCounted<FontAssembler> { 37 public: 38 // font_info is the FontInfo which will be used for the new font 39 // table_blacklist is used to decide which tables to exclude from the 40 // final font. 41 FontAssembler(FontInfo* font_info, sfntly::IntegerSet* table_blacklist); 42 explicit FontAssembler(FontInfo* font_info); ~FontAssembler()43 ~FontAssembler() { } 44 45 // Assemble a new font from the font info object. 46 virtual CALLER_ATTACH sfntly::Font* Assemble(); 47 table_blacklist()48 sfntly::IntegerSet* table_blacklist() const { return table_blacklist_; } set_table_blacklist(sfntly::IntegerSet * table_blacklist)49 void set_table_blacklist(sfntly::IntegerSet* table_blacklist) { 50 table_blacklist_ = table_blacklist; 51 } 52 53 protected: 54 virtual bool AssembleCMapTable(); 55 virtual bool AssembleGlyphAndLocaTables(); 56 57 virtual void Initialize(); 58 59 private: 60 sfntly::Ptr<FontInfo> font_info_; 61 sfntly::Ptr<sfntly::FontFactory> font_factory_; 62 sfntly::Ptr<sfntly::Font::Builder> font_builder_; 63 sfntly::IntegerSet* table_blacklist_; 64 }; 65 } 66 67 #endif // TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_FONT_ASSEMBLER_H_ 68