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 <stdio.h> 1830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 1930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/font.h" 2030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/table/table.h" 2130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/tag.h" 2230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "subtly/stats.h" 2330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunnamespace subtly { 2530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunusing namespace sfntly; 2630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunint32_t TotalFontSize(Font* font) { 2830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t size = 0; 2930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun const TableMap* table_map = font->GetTableMap(); 3030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun for (TableMap::const_iterator it = table_map->begin(), 3130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun e = table_map->end(); it != e; ++it) { 3230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun size += it->second->DataLength(); 3330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 3430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return size; 3530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 3630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurundouble TableSizePercent(Font* font, int32_t tag) { 3830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun TablePtr table = font->GetTable(tag); 3930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun return static_cast<double>(table->DataLength()) / TotalFontSize(font) * 100; 4030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 4130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid PrintComparison(FILE* out, Font* font, Font* new_font) { 4330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fprintf(out, "====== Table Comparison (original v. subset) ======\n"); 4430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun const TableMap* tables = font->GetTableMap(); 4530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun for (TableMap::const_iterator it = tables->begin(), 4630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun e = tables->end(); it != e; ++it) { 4730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun char *name = TagToString(it->first); 4830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t size = it->second->DataLength(); 4930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fprintf(out, "-- %s: %d (%lf%%) ", name, size, 5030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun TableSizePercent(font, it->first)); 5130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun delete[] name; 5230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun Ptr<FontDataTable> new_table = new_font->GetTable(it->first); 5430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t new_size = 0; 5530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun double size_percent = 0; 5630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (new_table) { 5730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun new_size = new_table->DataLength(); 5830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun size_percent = subtly::TableSizePercent(new_font, it->first); 5930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 6030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 6130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun if (new_size == size) { 6230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fprintf(out, "| same size\n"); 6330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } else { 6430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fprintf(out, "-> %d (%lf%%) | %lf%% of original\n", new_size, 6530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun size_percent, static_cast<double>(new_size) / size * 100); 6630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 6730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 6830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 6930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 7030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunvoid PrintStats(FILE* out, Font* font) { 7130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fprintf(out, "====== Table Stats ======\n"); 7230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun const TableMap* tables = font->GetTableMap(); 7330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun for (TableMap::const_iterator it = tables->begin(), 7430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun e = tables->end(); it != e; ++it) { 7530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun char *name = TagToString(it->first); 7630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun int32_t size = it->second->DataLength(); 7730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun fprintf(out, "-- %s: %d (%lf%%)\n", name, size, 7830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun TableSizePercent(font, it->first)); 7930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun delete[] name; 8030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun } 8130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 8230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} 83