| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 1 | // Copyright 2011 Google Inc. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | package com.google.typography.font.compression; |
| 6 | |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 7 | import com.google.common.collect.Lists; |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 8 | import com.google.common.io.Files; |
| 9 | import com.google.typography.font.sfntly.Font; |
| 10 | import com.google.typography.font.sfntly.FontFactory; |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 11 | |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 12 | import java.io.File; |
| 13 | import java.io.IOException; |
| 14 | import java.io.PrintWriter; |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 15 | import java.util.List; |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 16 | |
| 17 | /** |
| 18 | * A command-line tool for running different experimental compression code over |
| 19 | * a corpus of fonts, and gathering statistics, particularly compression |
| 20 | * efficiency. |
| 21 | * |
| David Kuettel | 42726b6 | 2013-04-11 17:40:54 -0700 | [diff] [blame] | 22 | * This is not intended to be production code. |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 23 | * |
| David Kuettel | 19411b7 | 2013-04-11 14:49:57 -0700 | [diff] [blame] | 24 | * @author Raph Levien |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 25 | */ |
| 26 | public class CompressionRunner { |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 27 | |
| 28 | public static void main(String[] args) throws IOException { |
| 29 | boolean generateOutput = false; |
| 30 | List<String> descs = Lists.newArrayList(); |
| 31 | String baseline = "gzip"; |
| 32 | |
| 33 | List<String> filenames = Lists.newArrayList(); |
| 34 | for (int i = 0; i < args.length; i++) { |
| 35 | if (args[i].charAt(0) == '-') { |
| 36 | if (args[i].equals("-o")) { |
| 37 | generateOutput = true; |
| 38 | } else if (args[i].equals("-x")) { |
| 39 | descs.add(args[i + 1]); |
| 40 | i++; |
| 41 | } else if (args[i].equals("-b")) { |
| 42 | baseline = args[i + 1]; |
| 43 | i++; |
| 44 | } |
| 45 | } else { |
| 46 | filenames.add(args[i]); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | // String baseline = "glyf/triplet,code,push:lzma"; |
| 51 | // String baseline = "glyf/cbbox,triplet,code,push:hdmx:lzma"; |
| 52 | // descs.add("woff2"); |
| 53 | if (descs.isEmpty()) { |
| David Kuettel | c0d9d60 | 2013-04-10 18:44:14 -0700 | [diff] [blame] | 54 | descs.add("glyf/cbbox,triplet,code,reslice:woff2/lzma"); |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 55 | } |
| David Kuettel | 42726b6 | 2013-04-11 17:40:54 -0700 | [diff] [blame] | 56 | run(filenames, baseline, descs, generateOutput); |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 57 | } |
| 58 | |
| David Kuettel | 42726b6 | 2013-04-11 17:40:54 -0700 | [diff] [blame] | 59 | private static void run(List<String> filenames, String baseline, List<String> descs, |
| 60 | boolean generateOutput) throws IOException { |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 61 | PrintWriter o = new PrintWriter(System.out); |
| 62 | List<StatsCollector> stats = Lists.newArrayList(); |
| 63 | for (int i = 0; i < descs.size(); i++) { |
| 64 | stats.add(new StatsCollector()); |
| 65 | } |
| 66 | FontFactory fontFactory = FontFactory.getInstance(); |
| 67 | o.println("<html>"); |
| 68 | for (String filename : filenames) { |
| 69 | byte[] bytes = Files.toByteArray(new File(filename)); |
| 70 | Font font = fontFactory.loadFonts(bytes)[0]; |
| David Kuettel | 42726b6 | 2013-04-11 17:40:54 -0700 | [diff] [blame] | 71 | byte[] baselineResult = Experiment.run(font, baseline); |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 72 | o.printf("<!-- %s: baseline %d bytes", new File(filename).getName(), baselineResult.length); |
| 73 | for (int i = 0; i < descs.size(); i++) { |
| David Kuettel | 42726b6 | 2013-04-11 17:40:54 -0700 | [diff] [blame] | 74 | byte[] expResult = Experiment.run(font, descs.get(i)); |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 75 | if (generateOutput) { |
| 76 | String newFilename = filename; |
| 77 | if (newFilename.endsWith(".ttf")) { |
| 78 | newFilename = newFilename.substring(0, newFilename.length() - 4); |
| 79 | } |
| 80 | newFilename += ".woff2"; |
| 81 | Files.write(expResult, new File(newFilename)); |
| 82 | } |
| 83 | double percent = 100. * expResult.length / baselineResult.length; |
| 84 | stats.get(i).addStat(percent); |
| 85 | o.printf(", %c %.2f%%", 'A' + i, percent); |
| 86 | } |
| 87 | o.printf(" -->\n"); |
| 88 | } |
| 89 | stats.get(0).chartHeader(o, descs.size()); |
| 90 | for (int i = 0; i < descs.size(); i++) { |
| 91 | stats.get(i).chartData(o, i + 1); |
| 92 | } |
| 93 | stats.get(0).chartEnd(o); |
| 94 | o.printf("<p>baseline: %s</p>\n", baseline); |
| 95 | for (int i = 0; i < descs.size(); i++) { |
| 96 | StatsCollector sc = stats.get(i); |
| 97 | o.printf("<p>%c: %s: median %f, mean %f</p>\n", |
| 98 | 'A' + i, descs.get(i), sc.median(), sc.mean()); |
| 99 | } |
| 100 | stats.get(0).chartFooter(o); |
| 101 | o.close(); |
| 102 | } |
| Raph Levien | dcecdd8 | 2012-03-23 11:21:16 -0700 | [diff] [blame] | 103 | } |