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/*
* Copyright 2011 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_FONT_ASSEMBLER_H_
#define TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_FONT_ASSEMBLER_H_
#include <set>
#include <map>
#include "subtly/font_info.h"
#include "sfntly/tag.h"
#include "sfntly/font.h"
#include "sfntly/port/type.h"
#include "sfntly/port/refcount.h"
#include "sfntly/table/core/cmap_table.h"
#include "sfntly/table/truetype/glyph_table.h"
#include "sfntly/table/truetype/loca_table.h"
namespace subtly {
// Assembles FontInfo into font builders.
// Does not take ownership of data passed to it.
class FontAssembler : public sfntly::RefCounted<FontAssembler> {
public:
// font_info is the FontInfo which will be used for the new font
// table_blacklist is used to decide which tables to exclude from the
// final font.
FontAssembler(FontInfo* font_info, sfntly::IntegerSet* table_blacklist);
explicit FontAssembler(FontInfo* font_info);
~FontAssembler() { }
// Assemble a new font from the font info object.
virtual CALLER_ATTACH sfntly::Font* Assemble();
sfntly::IntegerSet* table_blacklist() const { return table_blacklist_; }
void set_table_blacklist(sfntly::IntegerSet* table_blacklist) {
table_blacklist_ = table_blacklist;
}
protected:
virtual bool AssembleCMapTable();
virtual bool AssembleGlyphAndLocaTables();
virtual void Initialize();
private:
sfntly::Ptr<FontInfo> font_info_;
sfntly::Ptr<sfntly::FontFactory> font_factory_;
sfntly::Ptr<sfntly::Font::Builder> font_builder_;
sfntly::IntegerSet* table_blacklist_;
};
}
#endif // TYPOGRAPHY_FONT_SFNTLY_SRC_SAMPLE_SUBTLY_FONT_ASSEMBLER_H_
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