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// Remove VC++ nag on fopen. 1830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#define _CRT_SECURE_NO_WARNINGS 1930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sample/subsetter/subset_util.h" 2130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include <stdio.h> 2330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include <vector> 2530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include <memory> 2630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/font.h" 2830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/data/memory_byte_array.h" 2930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/port/memory_output_stream.h" 3030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/port/type.h" 3130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/tag.h" 3230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/tools/subsetter/subsetter.h" 3330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunnamespace sfntly { 3530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunSubsetUtil::SubsetUtil() { 3730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 3830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim GurunSubsetUtil::~SubsetUtil() { 4030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 4130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid SubsetUtil::Subset(const char *input_file_path, 4330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun const char *output_file_path) { 4430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun UNREFERENCED_PARAMETER(output_file_path); 4530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun ByteVector input_buffer; 4630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FILE* input_file = fopen(input_file_path, "rb"); 4730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (input_file == NULL) { 4830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fprintf(stderr, "file not found\n"); 4930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return; 5030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 5130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fseek(input_file, 0, SEEK_END); 5230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun size_t file_size = ftell(input_file); 5330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fseek(input_file, 0, SEEK_SET); 5430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun input_buffer.resize(file_size); 5530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun size_t bytes_read = fread(&(input_buffer[0]), 1, file_size, input_file); 5630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun UNREFERENCED_PARAMETER(bytes_read); 5730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fclose(input_file); 5830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontFactoryPtr factory; 6030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun factory.Attach(FontFactory::GetInstance()); 6130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 6230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontArray font_array; 6330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun factory->LoadFonts(&input_buffer, &font_array); 6430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (font_array.empty() || font_array[0] == NULL) 6530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return; 6630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 6730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun IntegerList glyphs; 6830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun for (int32_t i = 0; i < 10; i++) { 6930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun glyphs.push_back(i); 7030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 7130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun glyphs.push_back(11); 7230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun glyphs.push_back(10); 7330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Ptr<Subsetter> subsetter = new Subsetter(font_array[0], factory); 7530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun subsetter->SetGlyphs(&glyphs); 7630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun IntegerSet remove_tables; 7730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun remove_tables.insert(Tag::DSIG); 7830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun subsetter->SetRemoveTables(&remove_tables); 7930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 8030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontBuilderPtr font_builder; 8130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun font_builder.Attach(subsetter->Subset()); 8230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 8330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FontPtr new_font; 8430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun new_font.Attach(font_builder->Build()); 8530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 8630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // TODO(arthurhsu): glyph renumbering/Loca table 8730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // TODO(arthurhsu): alter CMaps 8830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 8930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun MemoryOutputStream output_stream; 9030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun factory->SerializeFont(new_font, &output_stream); 9130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 9230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FILE* output_file = fopen(output_file_path, "wb"); 9330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fwrite(output_stream.Get(), 1, output_stream.Size(), output_file); 9430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fflush(output_file); 9530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fclose(output_file); 9630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 9730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 9830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} // namespace sfntly 99