Add better informations for the OS/2 table
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Vivien Nicolas
parent
1c611d4e32
commit
e448dce42b
176
fonts.js
176
fonts.js
@ -123,6 +123,140 @@ var FontLoader = {
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}
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};
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var UnicodeRanges = [
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{ "begin": 0x0000, "end": 0x007F }, // Basic Latin
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{ "begin": 0x0080, "end": 0x00FF }, // Latin-1 Supplement
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{ "begin": 0x0100, "end": 0x017F }, // Latin Extended-A
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{ "begin": 0x0180, "end": 0x024F }, // Latin Extended-B
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{ "begin": 0x0250, "end": 0x02AF }, // IPA Extensions
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{ "begin": 0x02B0, "end": 0x02FF }, // Spacing Modifier Letters
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{ "begin": 0x0300, "end": 0x036F }, // Combining Diacritical Marks
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{ "begin": 0x0370, "end": 0x03FF }, // Greek and Coptic
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{ "begin": 0x2C80, "end": 0x2CFF }, // Coptic
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{ "begin": 0x0400, "end": 0x04FF }, // Cyrillic
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{ "begin": 0x0530, "end": 0x058F }, // Armenian
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{ "begin": 0x0590, "end": 0x05FF }, // Hebrew
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{ "begin": 0xA500, "end": 0xA63F }, // Vai
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{ "begin": 0x0600, "end": 0x06FF }, // Arabic
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{ "begin": 0x07C0, "end": 0x07FF }, // NKo
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{ "begin": 0x0900, "end": 0x097F }, // Devanagari
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{ "begin": 0x0980, "end": 0x09FF }, // Bengali
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{ "begin": 0x0A00, "end": 0x0A7F }, // Gurmukhi
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{ "begin": 0x0A80, "end": 0x0AFF }, // Gujarati
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{ "begin": 0x0B00, "end": 0x0B7F }, // Oriya
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{ "begin": 0x0B80, "end": 0x0BFF }, // Tamil
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{ "begin": 0x0C00, "end": 0x0C7F }, // Telugu
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{ "begin": 0x0C80, "end": 0x0CFF }, // Kannada
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{ "begin": 0x0D00, "end": 0x0D7F }, // Malayalam
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{ "begin": 0x0E00, "end": 0x0E7F }, // Thai
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{ "begin": 0x0E80, "end": 0x0EFF }, // Lao
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{ "begin": 0x10A0, "end": 0x10FF }, // Georgian
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{ "begin": 0x1B00, "end": 0x1B7F }, // Balinese
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{ "begin": 0x1100, "end": 0x11FF }, // Hangul Jamo
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{ "begin": 0x1E00, "end": 0x1EFF }, // Latin Extended Additional
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{ "begin": 0x1F00, "end": 0x1FFF }, // Greek Extended
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{ "begin": 0x2000, "end": 0x206F }, // General Punctuation
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{ "begin": 0x2070, "end": 0x209F }, // Superscripts And Subscripts
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{ "begin": 0x20A0, "end": 0x20CF }, // Currency Symbol
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{ "begin": 0x20D0, "end": 0x20FF }, // Combining Diacritical Marks For Symbols
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{ "begin": 0x2100, "end": 0x214F }, // Letterlike Symbols
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{ "begin": 0x2150, "end": 0x218F }, // Number Forms
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{ "begin": 0x2190, "end": 0x21FF }, // Arrows
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{ "begin": 0x2200, "end": 0x22FF }, // Mathematical Operators
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{ "begin": 0x2300, "end": 0x23FF }, // Miscellaneous Technical
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{ "begin": 0x2400, "end": 0x243F }, // Control Pictures
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{ "begin": 0x2440, "end": 0x245F }, // Optical Character Recognition
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{ "begin": 0x2460, "end": 0x24FF }, // Enclosed Alphanumerics
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{ "begin": 0x2500, "end": 0x257F }, // Box Drawing
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{ "begin": 0x2580, "end": 0x259F }, // Block Elements
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{ "begin": 0x25A0, "end": 0x25FF }, // Geometric Shapes
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{ "begin": 0x2600, "end": 0x26FF }, // Miscellaneous Symbols
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{ "begin": 0x2700, "end": 0x27BF }, // Dingbats
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{ "begin": 0x3000, "end": 0x303F }, // CJK Symbols And Punctuation
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{ "begin": 0x3040, "end": 0x309F }, // Hiragana
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{ "begin": 0x30A0, "end": 0x30FF }, // Katakana
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{ "begin": 0x3100, "end": 0x312F }, // Bopomofo
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{ "begin": 0x3130, "end": 0x318F }, // Hangul Compatibility Jamo
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{ "begin": 0xA840, "end": 0xA87F }, // Phags-pa
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{ "begin": 0x3200, "end": 0x32FF }, // Enclosed CJK Letters And Months
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{ "begin": 0x3300, "end": 0x33FF }, // CJK Compatibility
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{ "begin": 0xAC00, "end": 0xD7AF }, // Hangul Syllables
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{ "begin": 0xD800, "end": 0xDFFF }, // Non-Plane 0 *
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{ "begin": 0x10900, "end": 0x1091F }, // Phoenicia
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{ "begin": 0x4E00, "end": 0x9FFF }, // CJK Unified Ideographs
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{ "begin": 0xE000, "end": 0xF8FF }, // Private Use Area (plane 0)
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{ "begin": 0x31C0, "end": 0x31EF }, // CJK Strokes
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{ "begin": 0xFB00, "end": 0xFB4F }, // Alphabetic Presentation Forms
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{ "begin": 0xFB50, "end": 0xFDFF }, // Arabic Presentation Forms-A
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{ "begin": 0xFE20, "end": 0xFE2F }, // Combining Half Marks
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{ "begin": 0xFE10, "end": 0xFE1F }, // Vertical Forms
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{ "begin": 0xFE50, "end": 0xFE6F }, // Small Form Variants
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{ "begin": 0xFE70, "end": 0xFEFF }, // Arabic Presentation Forms-B
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{ "begin": 0xFF00, "end": 0xFFEF }, // Halfwidth And Fullwidth Forms
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{ "begin": 0xFFF0, "end": 0xFFFF }, // Specials
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{ "begin": 0x0F00, "end": 0x0FFF }, // Tibetan
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{ "begin": 0x0700, "end": 0x074F }, // Syriac
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{ "begin": 0x0780, "end": 0x07BF }, // Thaana
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{ "begin": 0x0D80, "end": 0x0DFF }, // Sinhala
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{ "begin": 0x1000, "end": 0x109F }, // Myanmar
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{ "begin": 0x1200, "end": 0x137F }, // Ethiopic
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{ "begin": 0x13A0, "end": 0x13FF }, // Cherokee
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{ "begin": 0x1400, "end": 0x167F }, // Unified Canadian Aboriginal Syllabics
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{ "begin": 0x1680, "end": 0x169F }, // Ogham
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{ "begin": 0x16A0, "end": 0x16FF }, // Runic
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{ "begin": 0x1780, "end": 0x17FF }, // Khmer
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{ "begin": 0x1800, "end": 0x18AF }, // Mongolian
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{ "begin": 0x2800, "end": 0x28FF }, // Braille Patterns
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{ "begin": 0xA000, "end": 0xA48F }, // Yi Syllables
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{ "begin": 0x1700, "end": 0x171F }, // Tagalog
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{ "begin": 0x10300, "end": 0x1032F }, // Old Italic
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{ "begin": 0x10330, "end": 0x1034F }, // Gothic
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{ "begin": 0x10400, "end": 0x1044F }, // Deseret
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{ "begin": 0x1D000, "end": 0x1D0FF }, // Byzantine Musical Symbols
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{ "begin": 0x1D400, "end": 0x1D7FF }, // Mathematical Alphanumeric Symbols
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{ "begin": 0xFF000, "end": 0xFFFFD }, // Private Use (plane 15)
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{ "begin": 0xFE00, "end": 0xFE0F }, // Variation Selectors
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{ "begin": 0xE0000, "end": 0xE007F }, // Tags
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{ "begin": 0x1900, "end": 0x194F }, // Limbu
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{ "begin": 0x1950, "end": 0x197F }, // Tai Le
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{ "begin": 0x1980, "end": 0x19DF }, // New Tai Lue
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{ "begin": 0x1A00, "end": 0x1A1F }, // Buginese
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{ "begin": 0x2C00, "end": 0x2C5F }, // Glagolitic
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{ "begin": 0x2D30, "end": 0x2D7F }, // Tifinagh
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{ "begin": 0x4DC0, "end": 0x4DFF }, // Yijing Hexagram Symbols
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{ "begin": 0xA800, "end": 0xA82F }, // Syloti Nagri
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{ "begin": 0x10000, "end": 0x1007F }, // Linear B Syllabary
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{ "begin": 0x10140, "end": 0x1018F }, // Ancient Greek Numbers
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{ "begin": 0x10380, "end": 0x1039F }, // Ugaritic
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{ "begin": 0x103A0, "end": 0x103DF }, // Old Persian
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{ "begin": 0x10450, "end": 0x1047F }, // Shavian
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{ "begin": 0x10480, "end": 0x104AF }, // Osmanya
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{ "begin": 0x10800, "end": 0x1083F }, // Cypriot Syllabary
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{ "begin": 0x10A00, "end": 0x10A5F }, // Kharoshthi
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{ "begin": 0x1D300, "end": 0x1D35F }, // Tai Xuan Jing Symbols
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{ "begin": 0x12000, "end": 0x123FF }, // Cuneiform
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{ "begin": 0x1D360, "end": 0x1D37F }, // Counting Rod Numerals
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{ "begin": 0x1B80, "end": 0x1BBF }, // Sundanese
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{ "begin": 0x1C00, "end": 0x1C4F }, // Lepcha
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{ "begin": 0x1C50, "end": 0x1C7F }, // Ol Chiki
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{ "begin": 0xA880, "end": 0xA8DF }, // Saurashtra
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{ "begin": 0xA900, "end": 0xA92F }, // Kayah Li
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{ "begin": 0xA930, "end": 0xA95F }, // Rejang
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{ "begin": 0xAA00, "end": 0xAA5F }, // Cham
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{ "begin": 0x10190, "end": 0x101CF }, // Ancient Symbols
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{ "begin": 0x101D0, "end": 0x101FF }, // Phaistos Disc
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{ "begin": 0x102A0, "end": 0x102DF }, // Carian
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{ "begin": 0x1F030, "end": 0x1F09F } // Domino Tiles
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];
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function getUnicodeRangeFor(value) {
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for (var i = 0; i < UnicodeRanges.length; i++) {
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var range = UnicodeRanges[i];
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if (value >= range.begin && value < range.end)
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return i;
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}
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return -1;
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};
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/**
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* 'Font' is the class the outside world should use, it encapsulate all the font
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@ -338,6 +472,30 @@ var Font = (function () {
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};
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function createOS2Table(properties) {
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var ulUnicodeRange1 = 0;
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var ulUnicodeRange2 = 0;
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var ulUnicodeRange3 = 0;
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var ulUnicodeRange4 = 0;
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var charset = properties.charset;
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if (charset && charset.length) {
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// XXX why is the first character equal to ''?
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for (var i = 1; i < charset.length; i++) {
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var position = getUnicodeRangeFor(GlyphsUnicode[charset[i]]);
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if (position < 32) {
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ulUnicodeRange1 |= 1 << position;
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} else if (position < 64) {
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ulUnicodeRange2 |= 1 << position - 32;
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} else if (position < 96) {
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ulUnicodeRange3 |= 1 << position - 64;
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} else if (position < 123) {
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ulUnicodeRange4 |= 1 << position - 96;
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} else {
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error("Unicode ranges Bits > 123 are reserved for internal usage");
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}
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}
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}
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return "\x00\x03" + // version
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"\x02\x24" + // xAvgCharWidth
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"\x01\xF4" + // usWeightClass
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@ -355,14 +513,14 @@ var Font = (function () {
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"\x01\x02" + // yStrikeOutPosition
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"\x00\x00" + // sFamilyClass
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"\x02\x00\x06\x03\x00\x00\x00\x00\x00\x00" + // Panose
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"\xFF\xFF\xFF\xFF" + // ulUnicodeRange1 (Bits 0-31)
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"\xFF\xFF\xFF\xFF" + // ulUnicodeRange1 (Bits 32-63)
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"\xFF\xFF\xFF\xFF" + // ulUnicodeRange1 (Bits 64-95)
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"\xFF\xFF\xFF\xFF" + // ulUnicodeRange1 (Bits 96-127)
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string32(ulUnicodeRange1) + // ulUnicodeRange1 (Bits 0-31)
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string32(ulUnicodeRange2) + // ulUnicodeRange2 (Bits 32-63)
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string32(ulUnicodeRange3) + // ulUnicodeRange3 (Bits 64-95)
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string32(ulUnicodeRange4) + // ulUnicodeRange4 (Bits 96-127)
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"\x2A\x32\x31\x2A" + // achVendID
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"\x00\x00" + // fsSelection
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"\x00\x2D" + // usFirstCharIndex
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"\x00\x7A" + // usLastCharIndex
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string16(properties.firstChar) + // usFirstCharIndex
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string16(properties.lastChar) + // usLastCharIndex
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"\x00\x20" + // sTypoAscender
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"\x00\x00" + // sTypeDescender
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"\x00\x00" + // sTypoLineGap
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@ -372,8 +530,10 @@ var Font = (function () {
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"\x00\x00\x00\x00" + // ulCodePageRange2 (Bits 32-63)
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string16(properties.xHeight) + // sxHeight
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string16(properties.capHeight) + // sCapHeight
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"\x00\x01" + // usDefaultChar
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"\x00\xCD" + // usBreakChar
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// XXX mapping .notdef in the cmap table will allow us to use it
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// here instead, especially because these field are limit to 0xFFFF
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string16(properties.firstChar) + // usDefaultChar
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string16(properties.firstChar) + // usBreakChar
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"\x00\x00"; // usMaxContext
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};
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