Saebekassebil
13 years ago
25 changed files with 1466 additions and 704 deletions
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After Width: | Height: | Size: 4.5 KiB |
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After Width: | Height: | Size: 5.7 KiB |
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ |
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'use strict'; |
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describe('font', function() { |
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function hexDump(bytes) { |
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var line = ''; |
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for (var i = 0, ii = bytes.length; i < ii; ++i) { |
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var b = bytes[i].toString(16); |
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if (b.length < 2) |
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b = '0' + b; |
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line += b.toString(16); |
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} |
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return line; |
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} |
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// This example font comes from the CFF spec:
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// http://www.adobe.com/content/dam/Adobe/en/devnet/font/pdfs/5176.CFF.pdf
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var exampleFont = '0100040100010101134142434445462b' + |
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'54696d65732d526f6d616e000101011f' + |
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'f81b00f81c02f81d03f819041c6f000d' + |
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'fb3cfb6efa7cfa1605e911b8f1120003' + |
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'01010813183030312e30303754696d65' + |
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'7320526f6d616e54696d657300000002' + |
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'010102030e0e7d99f92a99fb7695f773' + |
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'8b06f79a93fc7c8c077d99f85695f75e' + |
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'9908fb6e8cf87393f7108b09a70adf0b' + |
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'f78e14'; |
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var fontData = []; |
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for (var i = 0; i < exampleFont.length; i += 2) { |
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var hex = exampleFont.substr(i, 2); |
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fontData.push(parseInt(hex, 16)); |
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} |
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var bytes = new Uint8Array(fontData); |
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fontData = {getBytes: function() { return bytes}}; |
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function bytesToString(bytesArray) { |
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var str = ''; |
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for (var i = 0, ii = bytesArray.length; i < ii; i++) |
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str += String.fromCharCode(bytesArray[i]); |
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return str; |
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} |
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describe('CFFParser', function() { |
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var parser = new CFFParser(fontData); |
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var cff = parser.parse(); |
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it('parses header', function() { |
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var header = cff.header; |
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expect(header.major).toEqual(1); |
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expect(header.minor).toEqual(0); |
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expect(header.hdrSize).toEqual(4); |
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expect(header.offSize).toEqual(1); |
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}); |
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it('parses name index', function() { |
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var names = cff.names; |
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expect(names.length).toEqual(1); |
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expect(names[0]).toEqual('ABCDEF+Times-Roman'); |
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}); |
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it('sanitizes name index', function() { |
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var index = new CFFIndex(); |
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index.add(['['.charCodeAt(0), 'a'.charCodeAt(0)]); |
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var names = parser.parseNameIndex(index); |
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expect(names).toEqual(['_a']); |
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index = new CFFIndex(); |
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var longName = []; |
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for (var i = 0; i < 129; i++) |
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longName.push(0); |
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index.add(longName); |
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names = parser.parseNameIndex(index); |
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expect(names[0].length).toEqual(127); |
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}); |
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it('parses string index', function() { |
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var strings = cff.strings; |
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expect(strings.count).toEqual(3); |
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expect(strings.get(0)).toEqual('.notdef'); |
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expect(strings.get(391)).toEqual('001.007'); |
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}); |
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it('parses top dict', function() { |
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var topDict = cff.topDict; |
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// 391 version 392 FullName 393 FamilyName 389 Weight 28416 UniqueID
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// -168 -218 1000 898 FontBBox 94 CharStrings 45 102 Private
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expect(topDict.getByName('version')).toEqual(391); |
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expect(topDict.getByName('FullName')).toEqual(392); |
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expect(topDict.getByName('FamilyName')).toEqual(393); |
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expect(topDict.getByName('Weight')).toEqual(389); |
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expect(topDict.getByName('UniqueID')).toEqual(28416); |
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expect(topDict.getByName('FontBBox')).toEqual([-168, -218, 1000, 898]); |
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expect(topDict.getByName('CharStrings')).toEqual(94); |
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expect(topDict.getByName('Private')).toEqual([45, 102]); |
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}); |
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it('parses predefined charsets', function() { |
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var charset = parser.parseCharsets(0, 0, null, true); |
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expect(charset.predefined).toEqual(true); |
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}); |
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it('parses charset format 0', function() { |
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// The first three bytes make the offset large enough to skip predefined.
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var bytes = new Uint8Array([0x00, 0x00, 0x00, |
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0x00, // format
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0x00, 0x02 // sid/cid
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]); |
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parser.bytes = bytes; |
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var charset = parser.parseCharsets(3, 2, new CFFStrings(), false); |
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expect(charset.charset[1]).toEqual('exclam'); |
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// CID font
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var charset = parser.parseCharsets(3, 2, new CFFStrings(), true); |
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expect(charset.charset[1]).toEqual(2); |
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}); |
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it('parses charset format 1', function() { |
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// The first three bytes make the offset large enough to skip predefined.
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var bytes = new Uint8Array([0x00, 0x00, 0x00, |
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0x01, // format
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0x00, 0x08, // sid/cid start
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0x01 // sid/cid left
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]); |
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parser.bytes = bytes; |
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var charset = parser.parseCharsets(3, 2, new CFFStrings(), false); |
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expect(charset.charset).toEqual(['.notdef', 'quoteright', 'parenleft']); |
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// CID font
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var charset = parser.parseCharsets(3, 2, new CFFStrings(), true); |
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expect(charset.charset).toEqual(['.notdef', 8, 9]); |
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}); |
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it('parses charset format 2', function() { |
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// format 2 is the same as format 1 but the left is card16
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// The first three bytes make the offset large enough to skip predefined.
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var bytes = new Uint8Array([0x00, 0x00, 0x00, |
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0x02, // format
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0x00, 0x08, // sid/cid start
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0x00, 0x01 // sid/cid left
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]); |
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parser.bytes = bytes; |
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var charset = parser.parseCharsets(3, 2, new CFFStrings(), false); |
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expect(charset.charset).toEqual(['.notdef', 'quoteright', 'parenleft']); |
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// CID font
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var charset = parser.parseCharsets(3, 2, new CFFStrings(), true); |
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expect(charset.charset).toEqual(['.notdef', 8, 9]); |
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}); |
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it('parses encoding format 0', function() { |
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// The first two bytes make the offset large enough to skip predefined.
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var bytes = new Uint8Array([0x00, 0x00, |
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0x00, // format
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0x01, // count
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0x08 // start
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]); |
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parser.bytes = bytes; |
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var encoding = parser.parseEncoding(2, {}, new CFFStrings(), null); |
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expect(encoding.encoding).toEqual({0x8: 1}); |
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}); |
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it('parses encoding format 1', function() { |
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// The first two bytes make the offset large enough to skip predefined.
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var bytes = new Uint8Array([0x00, 0x00, |
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0x01, // format
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0x01, // num ranges
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0x07, // range1 start
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0x01 // range2 left
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]); |
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parser.bytes = bytes; |
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var encoding = parser.parseEncoding(2, {}, new CFFStrings(), null); |
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expect(encoding.encoding).toEqual({0x7: 0x01, 0x08: 0x02}); |
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}); |
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it('parses fdselect format 0', function() { |
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var bytes = new Uint8Array([0x00, // format
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0x00, // gid: 0 fd: 0
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0x01 // gid: 1 fd: 1
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]); |
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parser.bytes = bytes; |
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var fdSelect = parser.parseFDSelect(0, 2); |
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expect(fdSelect.fdSelect).toEqual([0, 1]); |
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}); |
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it('parses fdselect format 3', function() { |
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var bytes = new Uint8Array([0x03, // format
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0x00, 0x02, // range count
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0x00, 0x00, // first gid
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0x09, // font dict 1 id
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0x00, 0x02, // nex gid
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0x0a, // font dict 2 gid
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0x00, 0x04 // sentinel (last gid)
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]); |
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parser.bytes = bytes; |
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var fdSelect = parser.parseFDSelect(0, 2); |
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expect(fdSelect.fdSelect).toEqual([9, 9, 0xa, 0xa]); |
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}); |
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// TODO fdArray
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}); |
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describe('CFFCompiler', function() { |
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it('encodes integers', function() { |
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var c = new CFFCompiler(); |
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// all the examples from the spec
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expect(c.encodeInteger(0)).toEqual([0x8b]); |
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expect(c.encodeInteger(100)).toEqual([0xef]); |
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expect(c.encodeInteger(-100)).toEqual([0x27]); |
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expect(c.encodeInteger(1000)).toEqual([0xfa, 0x7c]); |
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expect(c.encodeInteger(-1000)).toEqual([0xfe, 0x7c]); |
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expect(c.encodeInteger(10000)).toEqual([0x1c, 0x27, 0x10]); |
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expect(c.encodeInteger(-10000)).toEqual([0x1c, 0xd8, 0xf0]); |
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expect(c.encodeInteger(100000)).toEqual([0x1d, 0x00, 0x01, 0x86, 0xa0]); |
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expect(c.encodeInteger(-100000)).toEqual([0x1d, 0xff, 0xfe, 0x79, 0x60]); |
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}); |
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it('encodes floats', function() { |
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var c = new CFFCompiler(); |
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expect(c.encodeFloat(-2.25)).toEqual([0x1e, 0xe2, 0xa2, 0x5f]); |
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expect(c.encodeFloat(5e-11)).toEqual([0x1e, 0x5c, 0x11, 0xff]); |
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}); |
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// TODO a lot more compiler tests
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}); |
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}); |
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