130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun/* 230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Copyright 2011 Google Inc. All Rights Reserved. 330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Licensed under the Apache License, Version 2.0 (the "License"); 530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * you may not use this file except in compliance with the License. 630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * You may obtain a copy of the License at 730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * http://www.apache.org/licenses/LICENSE-2.0 930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 1030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Unless required by applicable law or agreed to in writing, software 1130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * distributed under the License is distributed on an "AS IS" BASIS, 1230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * See the License for the specific language governing permissions and 1430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * limitations under the License. 1530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun */ 1630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 1730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "subtly/merger.h" 1830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 1930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include <stdio.h> 2030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/font.h" 2230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/font_factory.h" 2330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "subtly/character_predicate.h" 2430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "subtly/font_assembler.h" 2530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "subtly/font_info.h" 2630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "subtly/utils.h" 2730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunnamespace subtly { 2930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunusing namespace sfntly; 3030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun/****************************************************************************** 3230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Merger class 3330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ******************************************************************************/ 3430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunMerger::Merger(FontArray* fonts) { 3530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (!fonts) { 3630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return; 3730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 3830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t num_fonts = fonts->size(); 3930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun for (int32_t i = 0; i < num_fonts; ++i) { 4030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fonts_.insert(std::make_pair(i, fonts->at(i))); 4130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 4230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 4330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH Font* Merger::Merge() { 4530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Ptr<FontInfo> merged_info; 4630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun merged_info.Attach(MergeFontInfos()); 4730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (!merged_info) { 4830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#if defined (SUBTLY_DEBUG) 4930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fprintf(stderr, "Could not create merged font info\n"); 5030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#endif 5130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return NULL; 5230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 5330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Ptr<FontAssembler> font_assembler = new FontAssembler(merged_info); 5430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return font_assembler->Assemble(); 5530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 5630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunCALLER_ATTACH FontInfo* Merger::MergeFontInfos() { 5830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Ptr<FontInfo> font_info = new FontInfo; 5930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font_info->set_fonts(&fonts_); 6030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun for (FontIdMap::iterator it = fonts_.begin(), 6130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun e = fonts_.end(); it != e; ++it) { 6230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Ptr<FontSourcedInfoBuilder> info_builder = 6330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun new FontSourcedInfoBuilder(it->second, it->first, NULL); 6430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Ptr<FontInfo> current_font_info; 6530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun current_font_info.Attach(info_builder->GetFontInfo()); 6630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (!current_font_info) { 6730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#if defined (SUBTLY_DEBUG) 6830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fprintf(stderr, "Couldn't create font info. " 6930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun "No subset will be generated.\n"); 7030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#endif 7130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return NULL; 7230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 7330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font_info->chars_to_glyph_ids()->insert( 7430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun current_font_info->chars_to_glyph_ids()->begin(), 7530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun current_font_info->chars_to_glyph_ids()->end()); 7630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font_info->resolved_glyph_ids()->insert( 7730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun current_font_info->resolved_glyph_ids()->begin(), 7830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun current_font_info->resolved_glyph_ids()->end()); 7930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#if defined (SUBTLY_DEBUG) 8030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fprintf(stderr, "Counts: chars_to_glyph_ids: %d; resoved_glyph_ids: %d\n", 8130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font_info->chars_to_glyph_ids()->size(), 8230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font_info->resolved_glyph_ids()->size()); 8330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#endif 8430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 8530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return font_info.Detach(); 8630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 8730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 88