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@ -3,6 +3,8 @@ |
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"use strict"; |
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"use strict"; |
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var isWorker = (typeof window == "undefined"); |
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/** |
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/** |
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* Maximum file size of the font. |
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* Maximum file size of the font. |
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*/ |
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*/ |
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@ -26,69 +28,109 @@ var fontName = ""; |
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*/ |
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*/ |
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var kDisableFonts = false; |
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var kDisableFonts = false; |
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/** |
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/** |
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* Hold a map of decoded fonts and of the standard fourteen Type1 fonts and |
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* Hold a map of decoded fonts and of the standard fourteen Type1 fonts and |
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* their acronyms. |
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* their acronyms. |
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* TODO Add the standard fourteen Type1 fonts list by default |
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* TODO Add the standard fourteen Type1 fonts list by default |
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* http://cgit.freedesktop.org/poppler/poppler/tree/poppler/GfxFont.cc#n65
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* http://cgit.freedesktop.org/poppler/poppler/tree/poppler/GfxFont.cc#n65
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*/ |
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*/ |
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var Fonts = { |
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_active: null, |
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get active() { |
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var Fonts = (function () { |
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return this._active; |
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var kScalePrecision = 40; |
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}, |
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var fonts = Object.create(null); |
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set active(name) { |
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if (!isWorker) { |
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this._active = this[name]; |
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var ctx = document.createElement("canvas").getContext("2d"); |
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}, |
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ctx.scale(1 / kScalePrecision, 1); |
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} |
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charsToUnicode: function fonts_chars2Unicode(chars) { |
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function Font(name, data, properties) { |
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var active = this._active; |
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this.name = name; |
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if (!active) |
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this.data = data; |
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return chars; |
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this.properties = properties; |
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this.loading = true; |
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// if we translated this string before, just grab it from the cache
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this.charsCache = Object.create(null); |
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var str = active.cache[chars]; |
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this.sizes = []; |
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if (str) |
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} |
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return str; |
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var current; |
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// translate the string using the font's encoding
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var charsCache; |
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var encoding = active.properties.encoding; |
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var measureCache; |
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if (!encoding) |
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return chars; |
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return { |
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registerFont: function fonts_registerFont(fontName, data, properties) { |
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str = ""; |
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fonts[fontName] = new Font(fontName, data, properties); |
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for (var i = 0; i < chars.length; ++i) { |
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}, |
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var charcode = chars.charCodeAt(i); |
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blacklistFont: function fonts_blacklistFont(fontName) { |
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var unicode = encoding[charcode]; |
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registerFont(fontName, null, {}); |
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markLoaded(fontName); |
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// Check if the glyph has already been converted
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}, |
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if (unicode instanceof Name) |
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lookup: function fonts_lookup(fontName) { |
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unicode = encoding[unicode] = GlyphsUnicode[unicode.name]; |
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return fonts[fontName]; |
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}, |
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// Handle surrogate pairs
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setActive: function fonts_setActive(fontName, size) { |
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if (unicode > 0xFFFF) { |
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current = fonts[fontName]; |
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str += String.fromCharCode(unicode & 0xFFFF); |
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charsCache = current.charsCache; |
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unicode >>= 16; |
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var sizes = current.sizes; |
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if (!(measureCache = sizes[size])) |
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measureCache = sizes[size] = Object.create(null); |
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ctx.font = (size * kScalePrecision) + 'px "' + fontName + '"'; |
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}, |
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charsToUnicode: function fonts_chars2Unicode(chars) { |
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if (!charsCache) |
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return chars; |
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// if we translated this string before, just grab it from the cache
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var str = charsCache[chars]; |
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if (str) |
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return str; |
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// translate the string using the font's encoding
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var encoding = current.properties.encoding; |
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if (!encoding) |
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return chars; |
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str = ""; |
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for (var i = 0; i < chars.length; ++i) { |
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var charcode = chars.charCodeAt(i); |
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var unicode = encoding[charcode]; |
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// Check if the glyph has already been converted
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if (!IsNum(unicode)) |
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unicode = encoding[unicode] = GlyphsUnicode[unicode.name]; |
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// Handle surrogate pairs
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if (unicode > 0xFFFF) { |
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str += String.fromCharCode(unicode & 0xFFFF); |
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unicode >>= 16; |
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} |
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str += String.fromCharCode(unicode); |
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} |
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} |
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str += String.fromCharCode(unicode); |
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} |
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// Enter the translated string into the cache
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// Enter the translated string into the cache
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return active.cache[chars] = str; |
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return charsCache[chars] = str; |
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}, |
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measureText: function fonts_measureText(text) { |
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var width; |
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if (measureCache && (width = measureCache[text])) |
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return width; |
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width = ctx.measureText(text).width / kScalePrecision; |
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if (measureCache) |
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measureCache[text] = width; |
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return width; |
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} |
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} |
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} |
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}; |
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})(); |
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var FontLoader = { |
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var FontLoader = { |
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bind: function(fonts) { |
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bind: function(fonts) { |
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var worker = (typeof window == "undefined"); |
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var ready = true; |
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var ready = true; |
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for (var i = 0; i < fonts.length; i++) { |
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for (var i = 0; i < fonts.length; i++) { |
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var font = fonts[i]; |
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var font = fonts[i]; |
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if (Fonts[font.name]) { |
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if (Fonts.lookup(font.name)) { |
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ready = ready && !Fonts[font.name].loading; |
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ready = ready && !Fonts.lookup(font.name).loading; |
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continue; |
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continue; |
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} |
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} |
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@ -97,18 +139,152 @@ var FontLoader = { |
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var obj = new Font(font.name, font.file, font.properties); |
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var obj = new Font(font.name, font.file, font.properties); |
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var str = ""; |
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var str = ""; |
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var data = Fonts[font.name].data; |
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var data = Fonts.lookup(font.name).data; |
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var length = data.length; |
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var length = data.length; |
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for (var j = 0; j < length; j++) |
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for (var j = 0; j < length; j++) |
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str += String.fromCharCode(data[j]); |
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str += String.fromCharCode(data[j]); |
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worker ? obj.bindWorker(str) : obj.bindDOM(str); |
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isWorker ? obj.bindWorker(str) : obj.bindDOM(str); |
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} |
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} |
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return ready; |
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return ready; |
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} |
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} |
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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
|
|
|
|
|
|
|
|
{ "begin": 0x0780, "end": 0x07BF }, // Thaana
|
|
|
|
|
|
|
|
{ "begin": 0x0D80, "end": 0x0DFF }, // Sinhala
|
|
|
|
|
|
|
|
{ "begin": 0x1000, "end": 0x109F }, // Myanmar
|
|
|
|
|
|
|
|
{ "begin": 0x1200, "end": 0x137F }, // Ethiopic
|
|
|
|
|
|
|
|
{ "begin": 0x13A0, "end": 0x13FF }, // Cherokee
|
|
|
|
|
|
|
|
{ "begin": 0x1400, "end": 0x167F }, // Unified Canadian Aboriginal Syllabics
|
|
|
|
|
|
|
|
{ "begin": 0x1680, "end": 0x169F }, // Ogham
|
|
|
|
|
|
|
|
{ "begin": 0x16A0, "end": 0x16FF }, // Runic
|
|
|
|
|
|
|
|
{ "begin": 0x1780, "end": 0x17FF }, // Khmer
|
|
|
|
|
|
|
|
{ "begin": 0x1800, "end": 0x18AF }, // Mongolian
|
|
|
|
|
|
|
|
{ "begin": 0x2800, "end": 0x28FF }, // Braille Patterns
|
|
|
|
|
|
|
|
{ "begin": 0xA000, "end": 0xA48F }, // Yi Syllables
|
|
|
|
|
|
|
|
{ "begin": 0x1700, "end": 0x171F }, // Tagalog
|
|
|
|
|
|
|
|
{ "begin": 0x10300, "end": 0x1032F }, // Old Italic
|
|
|
|
|
|
|
|
{ "begin": 0x10330, "end": 0x1034F }, // Gothic
|
|
|
|
|
|
|
|
{ "begin": 0x10400, "end": 0x1044F }, // Deseret
|
|
|
|
|
|
|
|
{ "begin": 0x1D000, "end": 0x1D0FF }, // Byzantine Musical Symbols
|
|
|
|
|
|
|
|
{ "begin": 0x1D400, "end": 0x1D7FF }, // Mathematical Alphanumeric Symbols
|
|
|
|
|
|
|
|
{ "begin": 0xFF000, "end": 0xFFFFD }, // Private Use (plane 15)
|
|
|
|
|
|
|
|
{ "begin": 0xFE00, "end": 0xFE0F }, // Variation Selectors
|
|
|
|
|
|
|
|
{ "begin": 0xE0000, "end": 0xE007F }, // Tags
|
|
|
|
|
|
|
|
{ "begin": 0x1900, "end": 0x194F }, // Limbu
|
|
|
|
|
|
|
|
{ "begin": 0x1950, "end": 0x197F }, // Tai Le
|
|
|
|
|
|
|
|
{ "begin": 0x1980, "end": 0x19DF }, // New Tai Lue
|
|
|
|
|
|
|
|
{ "begin": 0x1A00, "end": 0x1A1F }, // Buginese
|
|
|
|
|
|
|
|
{ "begin": 0x2C00, "end": 0x2C5F }, // Glagolitic
|
|
|
|
|
|
|
|
{ "begin": 0x2D30, "end": 0x2D7F }, // Tifinagh
|
|
|
|
|
|
|
|
{ "begin": 0x4DC0, "end": 0x4DFF }, // Yijing Hexagram Symbols
|
|
|
|
|
|
|
|
{ "begin": 0xA800, "end": 0xA82F }, // Syloti Nagri
|
|
|
|
|
|
|
|
{ "begin": 0x10000, "end": 0x1007F }, // Linear B Syllabary
|
|
|
|
|
|
|
|
{ "begin": 0x10140, "end": 0x1018F }, // Ancient Greek Numbers
|
|
|
|
|
|
|
|
{ "begin": 0x10380, "end": 0x1039F }, // Ugaritic
|
|
|
|
|
|
|
|
{ "begin": 0x103A0, "end": 0x103DF }, // Old Persian
|
|
|
|
|
|
|
|
{ "begin": 0x10450, "end": 0x1047F }, // Shavian
|
|
|
|
|
|
|
|
{ "begin": 0x10480, "end": 0x104AF }, // Osmanya
|
|
|
|
|
|
|
|
{ "begin": 0x10800, "end": 0x1083F }, // Cypriot Syllabary
|
|
|
|
|
|
|
|
{ "begin": 0x10A00, "end": 0x10A5F }, // Kharoshthi
|
|
|
|
|
|
|
|
{ "begin": 0x1D300, "end": 0x1D35F }, // Tai Xuan Jing Symbols
|
|
|
|
|
|
|
|
{ "begin": 0x12000, "end": 0x123FF }, // Cuneiform
|
|
|
|
|
|
|
|
{ "begin": 0x1D360, "end": 0x1D37F }, // Counting Rod Numerals
|
|
|
|
|
|
|
|
{ "begin": 0x1B80, "end": 0x1BBF }, // Sundanese
|
|
|
|
|
|
|
|
{ "begin": 0x1C00, "end": 0x1C4F }, // Lepcha
|
|
|
|
|
|
|
|
{ "begin": 0x1C50, "end": 0x1C7F }, // Ol Chiki
|
|
|
|
|
|
|
|
{ "begin": 0xA880, "end": 0xA8DF }, // Saurashtra
|
|
|
|
|
|
|
|
{ "begin": 0xA900, "end": 0xA92F }, // Kayah Li
|
|
|
|
|
|
|
|
{ "begin": 0xA930, "end": 0xA95F }, // Rejang
|
|
|
|
|
|
|
|
{ "begin": 0xAA00, "end": 0xAA5F }, // Cham
|
|
|
|
|
|
|
|
{ "begin": 0x10190, "end": 0x101CF }, // Ancient Symbols
|
|
|
|
|
|
|
|
{ "begin": 0x101D0, "end": 0x101FF }, // Phaistos Disc
|
|
|
|
|
|
|
|
{ "begin": 0x102A0, "end": 0x102DF }, // Carian
|
|
|
|
|
|
|
|
{ "begin": 0x1F030, "end": 0x1F09F } // Domino Tiles
|
|
|
|
|
|
|
|
]; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function getUnicodeRangeFor(value) { |
|
|
|
|
|
|
|
for (var i = 0; i < UnicodeRanges.length; i++) { |
|
|
|
|
|
|
|
var range = UnicodeRanges[i]; |
|
|
|
|
|
|
|
if (value >= range.begin && value < range.end) |
|
|
|
|
|
|
|
return i; |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
return -1; |
|
|
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
/** |
|
|
|
* 'Font' is the class the outside world should use, it encapsulate all the font |
|
|
|
* 'Font' is the class the outside world should use, it encapsulate all the font |
|
|
|
@ -124,8 +300,8 @@ var Font = (function () { |
|
|
|
this.encoding = properties.encoding; |
|
|
|
this.encoding = properties.encoding; |
|
|
|
|
|
|
|
|
|
|
|
// If the font has already been decoded simply return it
|
|
|
|
// If the font has already been decoded simply return it
|
|
|
|
if (Fonts[name]) { |
|
|
|
if (Fonts.lookup(name)) { |
|
|
|
this.font = Fonts[name].data; |
|
|
|
this.font = Fonts.lookup(name).data; |
|
|
|
return; |
|
|
|
return; |
|
|
|
} |
|
|
|
} |
|
|
|
fontCount++; |
|
|
|
fontCount++; |
|
|
|
@ -134,12 +310,7 @@ var Font = (function () { |
|
|
|
// If the font is to be ignored, register it like an already loaded font
|
|
|
|
// If the font is to be ignored, register it like an already loaded font
|
|
|
|
// to avoid the cost of waiting for it be be loaded by the platform.
|
|
|
|
// to avoid the cost of waiting for it be be loaded by the platform.
|
|
|
|
if (properties.ignore || kDisableFonts) { |
|
|
|
if (properties.ignore || kDisableFonts) { |
|
|
|
Fonts[name] = { |
|
|
|
Fonts.blacklistFont(name); |
|
|
|
data: file, |
|
|
|
|
|
|
|
loading: false, |
|
|
|
|
|
|
|
properties: {}, |
|
|
|
|
|
|
|
cache: Object.create(null) |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
return; |
|
|
|
return; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
@ -165,13 +336,8 @@ var Font = (function () { |
|
|
|
warn("Font " + properties.type + " is not supported"); |
|
|
|
warn("Font " + properties.type + " is not supported"); |
|
|
|
break; |
|
|
|
break; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
this.data = data; |
|
|
|
Fonts[name] = { |
|
|
|
Fonts.registerFont(name, data, properties); |
|
|
|
data: data, |
|
|
|
|
|
|
|
properties: properties, |
|
|
|
|
|
|
|
loading: true, |
|
|
|
|
|
|
|
cache: Object.create(null) |
|
|
|
|
|
|
|
}; |
|
|
|
|
|
|
|
}; |
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
function stringToArray(str) { |
|
|
|
function stringToArray(str) { |
|
|
|
@ -221,6 +387,9 @@ var Font = (function () { |
|
|
|
// offset
|
|
|
|
// offset
|
|
|
|
var offset = offsets.virtualOffset; |
|
|
|
var offset = offsets.virtualOffset; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// length
|
|
|
|
|
|
|
|
var length = data.length; |
|
|
|
|
|
|
|
|
|
|
|
// Per spec tables must be 4-bytes align so add padding as needed
|
|
|
|
// Per spec tables must be 4-bytes align so add padding as needed
|
|
|
|
while (data.length & 3) |
|
|
|
while (data.length & 3) |
|
|
|
data.push(0x00); |
|
|
|
data.push(0x00); |
|
|
|
@ -228,16 +397,10 @@ var Font = (function () { |
|
|
|
while (offsets.virtualOffset & 3) |
|
|
|
while (offsets.virtualOffset & 3) |
|
|
|
offsets.virtualOffset++; |
|
|
|
offsets.virtualOffset++; |
|
|
|
|
|
|
|
|
|
|
|
// length
|
|
|
|
|
|
|
|
var length = data.length; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// checksum
|
|
|
|
// checksum
|
|
|
|
var checksum = tag.charCodeAt(0) + |
|
|
|
var checksum = 0; |
|
|
|
tag.charCodeAt(1) + |
|
|
|
for (var i = 0; i < length; i+=4) |
|
|
|
tag.charCodeAt(2) + |
|
|
|
checksum += FontsUtils.bytesToInteger([data[i], data[i+1], data[i+2], data[i+3]]); |
|
|
|
tag.charCodeAt(3) + |
|
|
|
|
|
|
|
offset + |
|
|
|
|
|
|
|
length; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var tableEntry = tag + string32(checksum) + string32(offset) + string32(length); |
|
|
|
var tableEntry = tag + string32(checksum) + string32(offset) + string32(length); |
|
|
|
tableEntry = stringToArray(tableEntry); |
|
|
|
tableEntry = stringToArray(tableEntry); |
|
|
|
@ -271,6 +434,7 @@ var Font = (function () { |
|
|
|
}; |
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
function createCMapTable(glyphs) { |
|
|
|
function createCMapTable(glyphs) { |
|
|
|
|
|
|
|
glyphs.push({ unicode: 0x0000 }); |
|
|
|
var ranges = getRanges(glyphs); |
|
|
|
var ranges = getRanges(glyphs); |
|
|
|
|
|
|
|
|
|
|
|
var headerSize = (12 * 2 + (ranges.length * 4 * 2)); |
|
|
|
var headerSize = (12 * 2 + (ranges.length * 4 * 2)); |
|
|
|
@ -304,13 +468,13 @@ var Font = (function () { |
|
|
|
var range = ranges[i]; |
|
|
|
var range = ranges[i]; |
|
|
|
var start = range[0]; |
|
|
|
var start = range[0]; |
|
|
|
var end = range[1]; |
|
|
|
var end = range[1]; |
|
|
|
var delta = (((start - 1) - bias) ^ 0xffff) + 1; |
|
|
|
var delta = (((start - 1) - bias) ^ 0xffff); |
|
|
|
bias += (end - start + 1); |
|
|
|
bias += (end - start + 1); |
|
|
|
|
|
|
|
|
|
|
|
startCount += string16(start); |
|
|
|
startCount += string16(start); |
|
|
|
endCount += string16(end); |
|
|
|
endCount += string16(end); |
|
|
|
idDeltas += string16(delta); |
|
|
|
idDeltas += string16(delta); |
|
|
|
idRangeOffsets += string16(0); |
|
|
|
idRangeOffsets += string16(0); |
|
|
|
|
|
|
|
|
|
|
|
for (var j = 0; j < range.length; j++) |
|
|
|
for (var j = 0; j < range.length; j++) |
|
|
|
glyphsIds += String.fromCharCode(range[j]); |
|
|
|
glyphsIds += String.fromCharCode(range[j]); |
|
|
|
@ -326,11 +490,43 @@ var Font = (function () { |
|
|
|
}; |
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
function createOS2Table(properties) { |
|
|
|
function createOS2Table(properties) { |
|
|
|
|
|
|
|
var ulUnicodeRange1 = 0; |
|
|
|
|
|
|
|
var ulUnicodeRange2 = 0; |
|
|
|
|
|
|
|
var ulUnicodeRange3 = 0; |
|
|
|
|
|
|
|
var ulUnicodeRange4 = 0; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var charset = properties.charset; |
|
|
|
|
|
|
|
if (charset && charset.length) { |
|
|
|
|
|
|
|
var firstCharIndex = null; |
|
|
|
|
|
|
|
var lastCharIndex = 0; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
for (var i = 1; i < charset.length; i++) { |
|
|
|
|
|
|
|
var code = GlyphsUnicode[charset[i]]; |
|
|
|
|
|
|
|
if (firstCharIndex > code || !firstCharIndex) |
|
|
|
|
|
|
|
firstCharIndex = code; |
|
|
|
|
|
|
|
if (lastCharIndex < code) |
|
|
|
|
|
|
|
lastCharIndex = code; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var position = getUnicodeRangeFor(code); |
|
|
|
|
|
|
|
if (position < 32) { |
|
|
|
|
|
|
|
ulUnicodeRange1 |= 1 << position; |
|
|
|
|
|
|
|
} else if (position < 64) { |
|
|
|
|
|
|
|
ulUnicodeRange2 |= 1 << position - 32; |
|
|
|
|
|
|
|
} else if (position < 96) { |
|
|
|
|
|
|
|
ulUnicodeRange3 |= 1 << position - 64; |
|
|
|
|
|
|
|
} else if (position < 123) { |
|
|
|
|
|
|
|
ulUnicodeRange4 |= 1 << position - 96; |
|
|
|
|
|
|
|
} else { |
|
|
|
|
|
|
|
error("Unicode ranges Bits > 123 are reserved for internal usage"); |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
return "\x00\x03" + // version
|
|
|
|
return "\x00\x03" + // version
|
|
|
|
"\x02\x24" + // xAvgCharWidth
|
|
|
|
"\x02\x24" + // xAvgCharWidth
|
|
|
|
"\x01\xF4" + // usWeightClass
|
|
|
|
"\x01\xF4" + // usWeightClass
|
|
|
|
"\x00\x05" + // usWidthClass
|
|
|
|
"\x00\x05" + // usWidthClass
|
|
|
|
"\x00\x00" + // fstype
|
|
|
|
"\x00\x02" + // fstype
|
|
|
|
"\x02\x8A" + // ySubscriptXSize
|
|
|
|
"\x02\x8A" + // ySubscriptXSize
|
|
|
|
"\x02\xBB" + // ySubscriptYSize
|
|
|
|
"\x02\xBB" + // ySubscriptYSize
|
|
|
|
"\x00\x00" + // ySubscriptXOffset
|
|
|
|
"\x00\x00" + // ySubscriptXOffset
|
|
|
|
@ -342,41 +538,41 @@ var Font = (function () { |
|
|
|
"\x00\x31" + // yStrikeOutSize
|
|
|
|
"\x00\x31" + // yStrikeOutSize
|
|
|
|
"\x01\x02" + // yStrikeOutPosition
|
|
|
|
"\x01\x02" + // yStrikeOutPosition
|
|
|
|
"\x00\x00" + // sFamilyClass
|
|
|
|
"\x00\x00" + // sFamilyClass
|
|
|
|
"\x02\x00\x06\x03\x00\x00\x00\x00\x00\x00" + // Panose
|
|
|
|
"\x00\x00\x06" + String.fromCharCode(properties.fixedPitch ? 0x09 : 0x00) + |
|
|
|
"\xFF\xFF\xFF\xFF" + // ulUnicodeRange1 (Bits 0-31)
|
|
|
|
"\x00\x00\x00\x00\x00\x00" + // Panose
|
|
|
|
"\xFF\xFF\xFF\xFF" + // ulUnicodeRange1 (Bits 32-63)
|
|
|
|
string32(ulUnicodeRange1) + // ulUnicodeRange1 (Bits 0-31)
|
|
|
|
"\xFF\xFF\xFF\xFF" + // ulUnicodeRange1 (Bits 64-95)
|
|
|
|
string32(ulUnicodeRange2) + // ulUnicodeRange2 (Bits 32-63)
|
|
|
|
"\xFF\xFF\xFF\xFF" + // ulUnicodeRange1 (Bits 96-127)
|
|
|
|
string32(ulUnicodeRange3) + // ulUnicodeRange3 (Bits 64-95)
|
|
|
|
|
|
|
|
string32(ulUnicodeRange4) + // ulUnicodeRange4 (Bits 96-127)
|
|
|
|
"\x2A\x32\x31\x2A" + // achVendID
|
|
|
|
"\x2A\x32\x31\x2A" + // achVendID
|
|
|
|
"\x00\x20" + // fsSelection
|
|
|
|
string16(properties.italicAngle ? 1 : 0) + // fsSelection
|
|
|
|
"\x00\x2D" + // usFirstCharIndex
|
|
|
|
string16(firstCharIndex || properties.firstChar) + // usFirstCharIndex
|
|
|
|
"\x00\x7A" + // usLastCharIndex
|
|
|
|
string16(lastCharIndex || properties.lastChar) + // usLastCharIndex
|
|
|
|
"\x00\x03" + // sTypoAscender
|
|
|
|
string16(properties.ascent) + // sTypoAscender
|
|
|
|
"\x00\x20" + // sTypeDescender
|
|
|
|
string16(properties.descent) + // sTypoDescender
|
|
|
|
"\x00\x38" + // sTypoLineGap
|
|
|
|
"\x00\x64" + // sTypoLineGap (7%-10% of the unitsPerEM value)
|
|
|
|
string16(properties.ascent) + // usWinAscent
|
|
|
|
string16(properties.ascent) + // usWinAscent
|
|
|
|
string16(properties.descent) + // usWinDescent
|
|
|
|
string16(-properties.descent) + // usWinDescent
|
|
|
|
"\x00\xCE\x00\x00" + // ulCodePageRange1 (Bits 0-31)
|
|
|
|
"\x00\x00\x00\x00" + // ulCodePageRange1 (Bits 0-31)
|
|
|
|
"\x00\x01\x00\x00" + // ulCodePageRange2 (Bits 32-63)
|
|
|
|
"\x00\x00\x00\x00" + // ulCodePageRange2 (Bits 32-63)
|
|
|
|
string16(properties.xHeight) + // sxHeight
|
|
|
|
string16(properties.xHeight) + // sxHeight
|
|
|
|
string16(properties.capHeight) + // sCapHeight
|
|
|
|
string16(properties.capHeight) + // sCapHeight
|
|
|
|
"\x00\x01" + // usDefaultChar
|
|
|
|
string16(0) + // usDefaultChar
|
|
|
|
"\x00\xCD" + // usBreakChar
|
|
|
|
string16(firstCharIndex || properties.firstChar) + // usBreakChar
|
|
|
|
"\x00\x02"; // usMaxContext
|
|
|
|
"\x00\x03"; // usMaxContext
|
|
|
|
}; |
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
function createPostTable(properties) { |
|
|
|
function createPostTable(properties) { |
|
|
|
TODO("Fill with real values from the font dict"); |
|
|
|
var angle = Math.floor(properties.italicAngle * (Math.pow(2, 16))); |
|
|
|
|
|
|
|
return "\x00\x03\x00\x00" + // Version number
|
|
|
|
return "\x00\x03\x00\x00" + // Version number
|
|
|
|
string32(angle) + // italicAngle
|
|
|
|
string32(properties.italicAngle) + // italicAngle
|
|
|
|
"\x00\x00" + // underlinePosition
|
|
|
|
"\x00\x00" + // underlinePosition
|
|
|
|
"\x00\x00" + // underlineThickness
|
|
|
|
"\x00\x00" + // underlineThickness
|
|
|
|
string32(properties.fixedPitch) + // isFixedPitch
|
|
|
|
"\x00\x00\x00\x00" + // isFixedPitch
|
|
|
|
"\x00\x00\x00\x00" + // minMemType42
|
|
|
|
"\x00\x00\x00\x00" + // minMemType42
|
|
|
|
"\x00\x00\x00\x00" + // maxMemType42
|
|
|
|
"\x00\x00\x00\x00" + // maxMemType42
|
|
|
|
"\x00\x00\x00\x00" + // minMemType1
|
|
|
|
"\x00\x00\x00\x00" + // minMemType1
|
|
|
|
"\x00\x00\x00\x00"; // maxMemType1
|
|
|
|
"\x00\x00\x00\x00"; // maxMemType1
|
|
|
|
|
|
|
|
}; |
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
constructor.prototype = { |
|
|
|
constructor.prototype = { |
|
|
|
@ -604,44 +800,75 @@ var Font = (function () { |
|
|
|
var otf = new Uint8Array(kMaxFontFileSize); |
|
|
|
var otf = new Uint8Array(kMaxFontFileSize); |
|
|
|
|
|
|
|
|
|
|
|
function createNameTable(name) { |
|
|
|
function createNameTable(name) { |
|
|
|
var names = [ |
|
|
|
// All the strings of the name table should be an odd number of bytes
|
|
|
|
"See original licence", // Copyright
|
|
|
|
if (name.length % 2) |
|
|
|
fontName, // Font family
|
|
|
|
name = name.slice(0, name.length - 1); |
|
|
|
"undefined", // Font subfamily (font weight)
|
|
|
|
|
|
|
|
"uniqueID", // Unique ID
|
|
|
|
var strings = [ |
|
|
|
fontName, // Full font name
|
|
|
|
"Original licence", // 0.Copyright
|
|
|
|
"0.1", // Version
|
|
|
|
name, // 1.Font family
|
|
|
|
"undefined", // Postscript name
|
|
|
|
"Unknown", // 2.Font subfamily (font weight)
|
|
|
|
"undefined", // Trademark
|
|
|
|
"uniqueID", // 3.Unique ID
|
|
|
|
"undefined", // Manufacturer
|
|
|
|
name, // 4.Full font name
|
|
|
|
"undefined" // Designer
|
|
|
|
"Version 0.11", // 5.Version
|
|
|
|
|
|
|
|
"Unknown", // 6.Postscript name
|
|
|
|
|
|
|
|
"Unknown", // 7.Trademark
|
|
|
|
|
|
|
|
"Unknown", // 8.Manufacturer
|
|
|
|
|
|
|
|
"Unknown" // 9.Designer
|
|
|
|
]; |
|
|
|
]; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Mac want 1-byte per character strings while Windows want
|
|
|
|
|
|
|
|
// 2-bytes per character, so duplicate the names table
|
|
|
|
|
|
|
|
var stringsUnicode = []; |
|
|
|
|
|
|
|
for (var i = 0; i < strings.length; i++) { |
|
|
|
|
|
|
|
var str = strings[i]; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var strUnicode = ""; |
|
|
|
|
|
|
|
for (var j = 0; j < str.length; j++) |
|
|
|
|
|
|
|
strUnicode += string16(str.charCodeAt(j)); |
|
|
|
|
|
|
|
stringsUnicode.push(strUnicode); |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var names = [strings, stringsUnicode]; |
|
|
|
|
|
|
|
var platforms = ["\x00\x01", "\x00\x03"]; |
|
|
|
|
|
|
|
var encodings = ["\x00\x00", "\x00\x01"]; |
|
|
|
|
|
|
|
var languages = ["\x00\x00", "\x04\x09"]; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var namesRecordCount = strings.length * platforms.length; |
|
|
|
var nameTable = |
|
|
|
var nameTable = |
|
|
|
"\x00\x00" + // format
|
|
|
|
"\x00\x00" + // format
|
|
|
|
"\x00\x0A" + // Number of names Record
|
|
|
|
string16(namesRecordCount) + // Number of names Record
|
|
|
|
"\x00\x7E"; // Storage
|
|
|
|
string16(namesRecordCount * 12 + 6); // Storage
|
|
|
|
|
|
|
|
|
|
|
|
// Build the name records field
|
|
|
|
// Build the name records field
|
|
|
|
var strOffset = 0; |
|
|
|
var strOffset = 0; |
|
|
|
for (var i = 0; i < names.length; i++) { |
|
|
|
for (var i = 0; i < platforms.length; i++) { |
|
|
|
var str = names[i]; |
|
|
|
var strs = names[i]; |
|
|
|
|
|
|
|
for (var j = 0; j < strs.length; j++) { |
|
|
|
var nameRecord = |
|
|
|
var str = strs[j]; |
|
|
|
"\x00\x01" + // platform ID
|
|
|
|
var nameRecord = |
|
|
|
"\x00\x00" + // encoding ID
|
|
|
|
platforms[i] + // platform ID
|
|
|
|
"\x00\x00" + // language ID
|
|
|
|
encodings[i] + // encoding ID
|
|
|
|
"\x00\x00" + // name ID
|
|
|
|
languages[i] + // language ID
|
|
|
|
string16(str.length) + |
|
|
|
string16(i) + // name ID
|
|
|
|
string16(strOffset); |
|
|
|
string16(str.length) + |
|
|
|
nameTable += nameRecord; |
|
|
|
string16(strOffset); |
|
|
|
|
|
|
|
nameTable += nameRecord; |
|
|
|
strOffset += str.length; |
|
|
|
strOffset += str.length; |
|
|
|
|
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
nameTable += names.join(""); |
|
|
|
nameTable += strings.join("") + stringsUnicode.join(""); |
|
|
|
return nameTable; |
|
|
|
return nameTable; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function isFixedPitch(glyphs) { |
|
|
|
|
|
|
|
for (var i = 0; i < glyphs.length - 1; i++) { |
|
|
|
|
|
|
|
if (glyphs[i] != glyphs[i+1]) |
|
|
|
|
|
|
|
return false; |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
return true; |
|
|
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
// Required Tables
|
|
|
|
// Required Tables
|
|
|
|
var CFF = |
|
|
|
var CFF = |
|
|
|
@ -672,30 +899,31 @@ var Font = (function () { |
|
|
|
createTableEntry(otf, offsets, "CFF ", CFF); |
|
|
|
createTableEntry(otf, offsets, "CFF ", CFF); |
|
|
|
|
|
|
|
|
|
|
|
/** OS/2 */ |
|
|
|
/** OS/2 */ |
|
|
|
|
|
|
|
var charstrings = font.charstrings; |
|
|
|
|
|
|
|
properties.fixedPitch = isFixedPitch(charstrings); |
|
|
|
OS2 = stringToArray(createOS2Table(properties)); |
|
|
|
OS2 = stringToArray(createOS2Table(properties)); |
|
|
|
createTableEntry(otf, offsets, "OS/2", OS2); |
|
|
|
createTableEntry(otf, offsets, "OS/2", OS2); |
|
|
|
|
|
|
|
|
|
|
|
/** CMAP */ |
|
|
|
/** CMAP */ |
|
|
|
var charstrings = font.charstrings; |
|
|
|
cmap = createCMapTable(charstrings.slice()); |
|
|
|
cmap = createCMapTable(charstrings); |
|
|
|
|
|
|
|
createTableEntry(otf, offsets, "cmap", cmap); |
|
|
|
createTableEntry(otf, offsets, "cmap", cmap); |
|
|
|
|
|
|
|
|
|
|
|
/** HEAD */ |
|
|
|
/** HEAD */ |
|
|
|
head = stringToArray( |
|
|
|
head = stringToArray( |
|
|
|
"\x00\x01\x00\x00" + // Version number
|
|
|
|
"\x00\x01\x00\x00" + // Version number
|
|
|
|
"\x00\x00\x50\x00" + // fontRevision
|
|
|
|
"\x00\x00\x10\x00" + // fontRevision
|
|
|
|
"\x00\x00\x00\x00" + // checksumAdjustement
|
|
|
|
"\x00\x00\x00\x00" + // checksumAdjustement
|
|
|
|
"\x5F\x0F\x3C\xF5" + // magicNumber
|
|
|
|
"\x5F\x0F\x3C\xF5" + // magicNumber
|
|
|
|
"\x00\x00" + // Flags
|
|
|
|
"\x00\x00" + // Flags
|
|
|
|
"\x03\xE8" + // unitsPerEM (defaulting to 1000)
|
|
|
|
"\x03\xE8" + // unitsPerEM (defaulting to 1000)
|
|
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00" + // creation date
|
|
|
|
"\x00\x00\x00\x00\x9e\x0b\x7e\x27" + // creation date
|
|
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00" + // modifification date
|
|
|
|
"\x00\x00\x00\x00\x9e\x0b\x7e\x27" + // modifification date
|
|
|
|
"\x00\x00" + // xMin
|
|
|
|
"\x00\x00" + // xMin
|
|
|
|
"\x00\x00" + // yMin
|
|
|
|
string16(properties.descent) + // yMin
|
|
|
|
"\x00\x00" + // xMax
|
|
|
|
"\x0F\xFF" + // xMax
|
|
|
|
"\x00\x00" + // yMax
|
|
|
|
string16(properties.ascent) + // yMax
|
|
|
|
"\x00\x00" + // macStyle
|
|
|
|
string16(properties.italicAngle ? 2 : 0) + // macStyle
|
|
|
|
"\x00\x00" + // lowestRecPPEM
|
|
|
|
"\x00\x11" + // lowestRecPPEM
|
|
|
|
"\x00\x00" + // fontDirectionHint
|
|
|
|
"\x00\x00" + // fontDirectionHint
|
|
|
|
"\x00\x00" + // indexToLocFormat
|
|
|
|
"\x00\x00" + // indexToLocFormat
|
|
|
|
"\x00\x00" // glyphDataFormat
|
|
|
|
"\x00\x00" // glyphDataFormat
|
|
|
|
@ -705,22 +933,22 @@ var Font = (function () { |
|
|
|
/** HHEA */ |
|
|
|
/** HHEA */ |
|
|
|
hhea = stringToArray( |
|
|
|
hhea = stringToArray( |
|
|
|
"\x00\x01\x00\x00" + // Version number
|
|
|
|
"\x00\x01\x00\x00" + // Version number
|
|
|
|
"\x00\x00" + // Typographic Ascent
|
|
|
|
string16(properties.ascent) + // Typographic Ascent
|
|
|
|
"\x00\x00" + // Typographic Descent
|
|
|
|
string16(properties.descent) + // Typographic Descent
|
|
|
|
"\x00\x00" + // Line Gap
|
|
|
|
"\x00\x00" + // Line Gap
|
|
|
|
"\xFF\xFF" + // advanceWidthMax
|
|
|
|
"\xFF\xFF" + // advanceWidthMax
|
|
|
|
"\x00\x00" + // minLeftSidebearing
|
|
|
|
"\x00\x00" + // minLeftSidebearing
|
|
|
|
"\x00\x00" + // minRightSidebearing
|
|
|
|
"\x00\x00" + // minRightSidebearing
|
|
|
|
"\x00\x00" + // xMaxExtent
|
|
|
|
"\x00\x00" + // xMaxExtent
|
|
|
|
"\x00\x00" + // caretSlopeRise
|
|
|
|
string16(properties.capHeight) + // caretSlopeRise
|
|
|
|
"\x00\x00" + // caretSlopeRun
|
|
|
|
string16(Math.tan(properties.italicAngle) * properties.xHeight) + // caretSlopeRun
|
|
|
|
"\x00\x00" + // caretOffset
|
|
|
|
"\x00\x00" + // caretOffset
|
|
|
|
"\x00\x00" + // -reserved-
|
|
|
|
"\x00\x00" + // -reserved-
|
|
|
|
"\x00\x00" + // -reserved-
|
|
|
|
"\x00\x00" + // -reserved-
|
|
|
|
"\x00\x00" + // -reserved-
|
|
|
|
"\x00\x00" + // -reserved-
|
|
|
|
"\x00\x00" + // -reserved-
|
|
|
|
"\x00\x00" + // -reserved-
|
|
|
|
"\x00\x00" + // metricDataFormat
|
|
|
|
"\x00\x00" + // metricDataFormat
|
|
|
|
string16(charstrings.length) |
|
|
|
string16(charstrings.length + 1) // Number of HMetrics
|
|
|
|
); |
|
|
|
); |
|
|
|
createTableEntry(otf, offsets, "hhea", hhea); |
|
|
|
createTableEntry(otf, offsets, "hhea", hhea); |
|
|
|
|
|
|
|
|
|
|
|
@ -730,23 +958,21 @@ var Font = (function () { |
|
|
|
* while Windows use this data. So be careful if you hack on Linux and |
|
|
|
* while Windows use this data. So be careful if you hack on Linux and |
|
|
|
* have to touch the 'hmtx' table |
|
|
|
* have to touch the 'hmtx' table |
|
|
|
*/ |
|
|
|
*/ |
|
|
|
hmtx = "\x01\xF4\x00\x00"; // Fake .notdef
|
|
|
|
hmtx = "\x00\x00\x00\x00"; // Fake .notdef
|
|
|
|
var width = 0, lsb = 0; |
|
|
|
|
|
|
|
for (var i = 0; i < charstrings.length; i++) { |
|
|
|
for (var i = 0; i < charstrings.length; i++) { |
|
|
|
width = charstrings[i].charstring[1]; |
|
|
|
hmtx += string16(charstrings[i].width) + string16(0); |
|
|
|
hmtx += string16(width) + string16(lsb); |
|
|
|
|
|
|
|
} |
|
|
|
} |
|
|
|
hmtx = stringToArray(hmtx); |
|
|
|
hmtx = stringToArray(hmtx); |
|
|
|
createTableEntry(otf, offsets, "hmtx", hmtx); |
|
|
|
createTableEntry(otf, offsets, "hmtx", hmtx); |
|
|
|
|
|
|
|
|
|
|
|
/** MAXP */ |
|
|
|
/** MAXP */ |
|
|
|
maxp = "\x00\x00\x50\x00" + // Version number
|
|
|
|
maxp = "\x00\x00\x50\x00" + // Version number
|
|
|
|
string16(charstrings.length + 1); // Num of glyphs (+1 to pass the sanitizer...)
|
|
|
|
string16(charstrings.length + 1); // Num of glyphs
|
|
|
|
maxp = stringToArray(maxp); |
|
|
|
maxp = stringToArray(maxp); |
|
|
|
createTableEntry(otf, offsets, "maxp", maxp); |
|
|
|
createTableEntry(otf, offsets, "maxp", maxp); |
|
|
|
|
|
|
|
|
|
|
|
/** NAME */ |
|
|
|
/** NAME */ |
|
|
|
name = stringToArray(createNameTable(name)); |
|
|
|
name = stringToArray(createNameTable(fontName)); |
|
|
|
createTableEntry(otf, offsets, "name", name); |
|
|
|
createTableEntry(otf, offsets, "name", name); |
|
|
|
|
|
|
|
|
|
|
|
/** POST */ |
|
|
|
/** POST */ |
|
|
|
@ -778,9 +1004,18 @@ var Font = (function () { |
|
|
|
}); |
|
|
|
}); |
|
|
|
}, |
|
|
|
}, |
|
|
|
|
|
|
|
|
|
|
|
bindDOM: function font_bindDom(data) { |
|
|
|
bindDOM: function font_bindDom(data, callback) { |
|
|
|
var fontName = this.name; |
|
|
|
var fontName = this.name; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Just adding the font-face to the DOM doesn't make it load. It
|
|
|
|
|
|
|
|
// seems it's loaded once Gecko notices it's used. Therefore,
|
|
|
|
|
|
|
|
// add a div on the page using the loaded font.
|
|
|
|
|
|
|
|
var div = document.createElement("div"); |
|
|
|
|
|
|
|
var style = 'font-family:"' + name + |
|
|
|
|
|
|
|
'";position: absolute;top:-99999;left:-99999;z-index:-99999'; |
|
|
|
|
|
|
|
div.setAttribute("style", style); |
|
|
|
|
|
|
|
document.body.appendChild(div); |
|
|
|
|
|
|
|
|
|
|
|
/** Hack begin */ |
|
|
|
/** Hack begin */ |
|
|
|
// Actually there is not event when a font has finished downloading so
|
|
|
|
// Actually there is not event when a font has finished downloading so
|
|
|
|
// the following code are a dirty hack to 'guess' when a font is ready
|
|
|
|
// the following code are a dirty hack to 'guess' when a font is ready
|
|
|
|
@ -800,15 +1035,19 @@ var Font = (function () { |
|
|
|
|
|
|
|
|
|
|
|
// For some reasons the font has not loaded, so mark it loaded for the
|
|
|
|
// For some reasons the font has not loaded, so mark it loaded for the
|
|
|
|
// page to proceed but cry
|
|
|
|
// page to proceed but cry
|
|
|
|
if ((Date.now() - this.start) >= kMaxWaitForFontFace) { |
|
|
|
if (textWidth == ctx.measureText(testString).width) { |
|
|
|
window.clearInterval(interval); |
|
|
|
if ((Date.now() - this.start) < kMaxWaitForFontFace) { |
|
|
|
Fonts[fontName].loading = false; |
|
|
|
return; |
|
|
|
warn("Is " + fontName + " loaded?"); |
|
|
|
} else { |
|
|
|
this.start = 0; |
|
|
|
warn("Is " + fontName + " loaded?"); |
|
|
|
} else if (textWidth != ctx.measureText(testString).width) { |
|
|
|
} |
|
|
|
window.clearInterval(interval); |
|
|
|
} |
|
|
|
Fonts[fontName].loading = false; |
|
|
|
|
|
|
|
this.start = 0; |
|
|
|
window.clearInterval(interval); |
|
|
|
|
|
|
|
Fonts.lookup(fontName).loading = false; |
|
|
|
|
|
|
|
this.start = 0; |
|
|
|
|
|
|
|
if (callback) { |
|
|
|
|
|
|
|
callback(); |
|
|
|
} |
|
|
|
} |
|
|
|
}, 30, this); |
|
|
|
}, 30, this); |
|
|
|
|
|
|
|
|
|
|
|
@ -839,7 +1078,7 @@ var FontsUtils = { |
|
|
|
bytes.set([value]); |
|
|
|
bytes.set([value]); |
|
|
|
return bytes[0]; |
|
|
|
return bytes[0]; |
|
|
|
} else if (bytesCount == 2) { |
|
|
|
} else if (bytesCount == 2) { |
|
|
|
bytes.set([value >> 8, value]); |
|
|
|
bytes.set([value >> 8, value & 0xff]); |
|
|
|
return [bytes[0], bytes[1]]; |
|
|
|
return [bytes[0], bytes[1]]; |
|
|
|
} else if (bytesCount == 4) { |
|
|
|
} else if (bytesCount == 4) { |
|
|
|
bytes.set([value >> 24, value >> 16, value >> 8, value]); |
|
|
|
bytes.set([value >> 24, value >> 16, value >> 8, value]); |
|
|
|
@ -980,16 +1219,8 @@ var Type1Parser = function() { |
|
|
|
"12": "div", |
|
|
|
"12": "div", |
|
|
|
|
|
|
|
|
|
|
|
// callothersubr is a mechanism to make calls on the postscript
|
|
|
|
// callothersubr is a mechanism to make calls on the postscript
|
|
|
|
// interpreter.
|
|
|
|
// interpreter, this is not supported by Type2 charstring but hopefully
|
|
|
|
// TODO When decodeCharstring encounter such a command it should
|
|
|
|
// most of the default commands can be ignored safely.
|
|
|
|
// directly do:
|
|
|
|
|
|
|
|
// - pop the previous charstring[] command into 'index'
|
|
|
|
|
|
|
|
// - pop the previous charstring[] command and ignore it, it is
|
|
|
|
|
|
|
|
// normally the number of element to push on the stack before
|
|
|
|
|
|
|
|
// the command but since everything will be pushed on the stack
|
|
|
|
|
|
|
|
// by the PS interpreter when it will read them that is safe to
|
|
|
|
|
|
|
|
// ignore this command
|
|
|
|
|
|
|
|
// - push the content of the OtherSubrs[index] inside charstring[]
|
|
|
|
|
|
|
|
"16": "callothersubr", |
|
|
|
"16": "callothersubr", |
|
|
|
|
|
|
|
|
|
|
|
"17": "pop", |
|
|
|
"17": "pop", |
|
|
|
@ -1009,8 +1240,13 @@ var Type1Parser = function() { |
|
|
|
"31": "hvcurveto" |
|
|
|
"31": "hvcurveto" |
|
|
|
}; |
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var kEscapeCommand = 12; |
|
|
|
|
|
|
|
|
|
|
|
function decodeCharString(array) { |
|
|
|
function decodeCharString(array) { |
|
|
|
var charString = []; |
|
|
|
var charstring = []; |
|
|
|
|
|
|
|
var lsb = 0; |
|
|
|
|
|
|
|
var width = 0; |
|
|
|
|
|
|
|
var used = false; |
|
|
|
|
|
|
|
|
|
|
|
var value = ""; |
|
|
|
var value = ""; |
|
|
|
var count = array.length; |
|
|
|
var count = array.length; |
|
|
|
@ -1019,10 +1255,48 @@ var Type1Parser = function() { |
|
|
|
|
|
|
|
|
|
|
|
if (value < 32) { |
|
|
|
if (value < 32) { |
|
|
|
var command = null; |
|
|
|
var command = null; |
|
|
|
if (value == 12) { |
|
|
|
if (value == kEscapeCommand) { |
|
|
|
var escape = array[++i]; |
|
|
|
var escape = array[++i]; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// TODO Clean this code
|
|
|
|
|
|
|
|
if (escape == 16) { |
|
|
|
|
|
|
|
var index = charstring.pop(); |
|
|
|
|
|
|
|
var argc = charstring.pop(); |
|
|
|
|
|
|
|
var data = charstring.pop(); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// If the flex mechanishm is not used in a font program, Adobe
|
|
|
|
|
|
|
|
// state that that entries 0, 1 and 2 can simply be replace by
|
|
|
|
|
|
|
|
// {}, which means that we can simply ignore them.
|
|
|
|
|
|
|
|
if (index < 3) { |
|
|
|
|
|
|
|
continue; |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// This is the same things about hint replacement, if it is not used
|
|
|
|
|
|
|
|
// entry 3 can be replaced by {3}
|
|
|
|
|
|
|
|
if (index == 3) { |
|
|
|
|
|
|
|
charstring.push(3); |
|
|
|
|
|
|
|
i++; |
|
|
|
|
|
|
|
continue; |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
command = charStringDictionary["12"][escape]; |
|
|
|
command = charStringDictionary["12"][escape]; |
|
|
|
} else { |
|
|
|
} else { |
|
|
|
|
|
|
|
// TODO Clean this code
|
|
|
|
|
|
|
|
if (value == 13) { |
|
|
|
|
|
|
|
if (charstring.length == 2) { |
|
|
|
|
|
|
|
width = charstring[1]; |
|
|
|
|
|
|
|
} else if (charstring.length == 4 && charstring[3] == "div") { |
|
|
|
|
|
|
|
width = charstring[1] / charstring[2]; |
|
|
|
|
|
|
|
} else { |
|
|
|
|
|
|
|
error("Unsupported hsbw format: " + charstring); |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
lsb = charstring[0]; |
|
|
|
|
|
|
|
charstring.push(lsb, "hmoveto"); |
|
|
|
|
|
|
|
charstring.splice(0, 1); |
|
|
|
|
|
|
|
continue; |
|
|
|
|
|
|
|
} |
|
|
|
command = charStringDictionary[value]; |
|
|
|
command = charStringDictionary[value]; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
@ -1044,16 +1318,14 @@ var Type1Parser = function() { |
|
|
|
} else if (value <= 254) { |
|
|
|
} else if (value <= 254) { |
|
|
|
value = -((value - 251) * 256) - parseInt(array[++i]) - 108; |
|
|
|
value = -((value - 251) * 256) - parseInt(array[++i]) - 108; |
|
|
|
} else { |
|
|
|
} else { |
|
|
|
var byte = array[++i]; |
|
|
|
value = (array[++i] & 0xff) << 24 | (array[++i] & 0xff) << 16 | |
|
|
|
var high = (byte >> 1); |
|
|
|
(array[++i] & 0xff) << 8 | (array[++i] & 0xff) << 0; |
|
|
|
value = (byte - high) << 24 | array[++i] << 16 | |
|
|
|
|
|
|
|
array[++i] << 8 | array[++i]; |
|
|
|
|
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
charString.push(value); |
|
|
|
charstring.push(value); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
return charString; |
|
|
|
return { charstring: charstring, width: width, lsb: lsb }; |
|
|
|
}; |
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
/** |
|
|
|
@ -1080,19 +1352,21 @@ var Type1Parser = function() { |
|
|
|
length = parseInt(length); |
|
|
|
length = parseInt(length); |
|
|
|
var data = eexecString.slice(i + 3, i + 3 + length); |
|
|
|
var data = eexecString.slice(i + 3, i + 3 + length); |
|
|
|
var encodedSubr = decrypt(data, kCharStringsEncryptionKey, 4); |
|
|
|
var encodedSubr = decrypt(data, kCharStringsEncryptionKey, 4); |
|
|
|
var subr = decodeCharString(encodedSubr); |
|
|
|
var str = decodeCharString(encodedSubr); |
|
|
|
|
|
|
|
|
|
|
|
subrs.push(subr); |
|
|
|
subrs.push(str.charstring); |
|
|
|
i += 3 + length; |
|
|
|
i += 3 + length; |
|
|
|
} else if (inGlyphs && c == 0x52) { |
|
|
|
} else if (inGlyphs && c == 0x52) { |
|
|
|
length = parseInt(length); |
|
|
|
length = parseInt(length); |
|
|
|
var data = eexecString.slice(i + 3, i + 3 + length); |
|
|
|
var data = eexecString.slice(i + 3, i + 3 + length); |
|
|
|
var encodedCharstring = decrypt(data, kCharStringsEncryptionKey, 4); |
|
|
|
var encodedCharstring = decrypt(data, kCharStringsEncryptionKey, 4); |
|
|
|
var subr = decodeCharString(encodedCharstring); |
|
|
|
var str = decodeCharString(encodedCharstring); |
|
|
|
|
|
|
|
|
|
|
|
glyphs.push({ |
|
|
|
glyphs.push({ |
|
|
|
glyph: glyph, |
|
|
|
glyph: glyph, |
|
|
|
data: subr |
|
|
|
data: str.charstring, |
|
|
|
|
|
|
|
lsb: str.lsb, |
|
|
|
|
|
|
|
width: str.width |
|
|
|
}); |
|
|
|
}); |
|
|
|
i += 3 + length; |
|
|
|
i += 3 + length; |
|
|
|
} else if (inGlyphs && c == 0x2F) { |
|
|
|
} else if (inGlyphs && c == 0x2F) { |
|
|
|
@ -1254,16 +1528,18 @@ CFF.prototype = { |
|
|
|
var charstrings = []; |
|
|
|
var charstrings = []; |
|
|
|
|
|
|
|
|
|
|
|
for (var i = 0; i < glyphs.length; i++) { |
|
|
|
for (var i = 0; i < glyphs.length; i++) { |
|
|
|
var glyph = glyphs[i].glyph; |
|
|
|
var glyph = glyphs[i]; |
|
|
|
var unicode = GlyphsUnicode[glyph]; |
|
|
|
var unicode = GlyphsUnicode[glyph.glyph]; |
|
|
|
if (!unicode) { |
|
|
|
if (!unicode) { |
|
|
|
if (glyph != ".notdef") |
|
|
|
if (glyph.glyph != ".notdef") |
|
|
|
warn(glyph + " does not have an entry in the glyphs unicode dictionary"); |
|
|
|
warn(glyph + " does not have an entry in the glyphs unicode dictionary"); |
|
|
|
} else { |
|
|
|
} else { |
|
|
|
charstrings.push({ |
|
|
|
charstrings.push({ |
|
|
|
glyph: glyph, |
|
|
|
glyph: glyph, |
|
|
|
unicode: unicode, |
|
|
|
unicode: unicode, |
|
|
|
charstring: glyphs[i].data |
|
|
|
charstring: glyph.data, |
|
|
|
|
|
|
|
width: glyph.width, |
|
|
|
|
|
|
|
lsb: glyph.lsb |
|
|
|
}); |
|
|
|
}); |
|
|
|
} |
|
|
|
} |
|
|
|
}; |
|
|
|
}; |
|
|
|
@ -1305,46 +1581,11 @@ CFF.prototype = { |
|
|
|
var i = 0; |
|
|
|
var i = 0; |
|
|
|
while (true) { |
|
|
|
while (true) { |
|
|
|
var obj = charstring[i]; |
|
|
|
var obj = charstring[i]; |
|
|
|
if (obj == null) |
|
|
|
if (obj == undefined) { |
|
|
|
return []; |
|
|
|
error("unknow charstring command for " + i + " in " + charstring); |
|
|
|
|
|
|
|
} |
|
|
|
if (obj.charAt) { |
|
|
|
if (obj.charAt) { |
|
|
|
switch (obj) { |
|
|
|
switch (obj) { |
|
|
|
case "callothersubr": |
|
|
|
|
|
|
|
var index = charstring[i - 1]; |
|
|
|
|
|
|
|
var count = charstring[i - 2]; |
|
|
|
|
|
|
|
var data = charstring[i - 3]; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// If the flex mechanishm is not used in a font program, Adobe
|
|
|
|
|
|
|
|
// state that that entries 0, 1 and 2 can simply be replace by
|
|
|
|
|
|
|
|
// {}, which means that we can simply ignore them.
|
|
|
|
|
|
|
|
if (index < 3) { |
|
|
|
|
|
|
|
i -= 3; |
|
|
|
|
|
|
|
continue; |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// This is the same things about hint replacment, if it is not used
|
|
|
|
|
|
|
|
// entry 3 can be replaced by {}
|
|
|
|
|
|
|
|
if (index == 3) { |
|
|
|
|
|
|
|
if (!data) { |
|
|
|
|
|
|
|
charstring.splice(i - 2, 4, 3); |
|
|
|
|
|
|
|
i -= 3; |
|
|
|
|
|
|
|
} else { |
|
|
|
|
|
|
|
// 5 to remove the arguments, the callothersubr call and the pop command
|
|
|
|
|
|
|
|
charstring.splice(i - 3, 5, 3); |
|
|
|
|
|
|
|
i -= 3; |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
break; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case "hsbw": |
|
|
|
|
|
|
|
var charWidthVector = charstring[1]; |
|
|
|
|
|
|
|
var leftSidebearing = charstring[0]; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
charstring.splice(i, 1, leftSidebearing, "hmoveto"); |
|
|
|
|
|
|
|
charstring.splice(0, 1); |
|
|
|
|
|
|
|
break; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case "endchar": |
|
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case "endchar": |
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case "return": |
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case "return": |
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// CharString is ready to be re-encode to commands number at this point
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// CharString is ready to be re-encode to commands number at this point
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@ -1356,7 +1597,7 @@ CFF.prototype = { |
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} else if (command.charAt) { |
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} else if (command.charAt) { |
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var cmd = this.commandsMap[command]; |
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var cmd = this.commandsMap[command]; |
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if (!cmd) |
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if (!cmd) |
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error(command); |
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error("Unknow command: " + command); |
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if (IsArray(cmd)) { |
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if (IsArray(cmd)) { |
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charstring.splice(j, 1, cmd[0], cmd[1]); |
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charstring.splice(j, 1, cmd[0], cmd[1]); |
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@ -1428,7 +1669,7 @@ CFF.prototype = { |
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charset.push(bytes[1]); |
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charset.push(bytes[1]); |
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} |
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} |
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var charstringsIndex = this.createCFFIndexHeader([[0x40, 0x0E]].concat(glyphs), true); |
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var charstringsIndex = this.createCFFIndexHeader([[0x8B, 0x0E]].concat(glyphs), true); |
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//Top Dict Index
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//Top Dict Index
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var topDictIndex = [ |
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var topDictIndex = [ |
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Rob Sayre
14 years ago