53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
var WorkerFontHandler = {
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setup: function(handler) {
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handler.on("font", function(data) {
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var objId = data[0];
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var name = data[1];
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var file = data[2];
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var properties = data[3];
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var font = {
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name: name,
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file: file,
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properties: properties
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};
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// Some fonts don't have a file, e.g. the build in ones like Arial.
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if (file) {
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var fontFileDict = new Dict();
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fontFileDict.map = file.dict.map;
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var fontFile = new Stream(file.bytes, file.start,
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file.end - file.start, fontFileDict);
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// Check if this is a FlateStream. Otherwise just use the created
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// Stream one. This makes complex_ttf_font.pdf work.
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var cmf = file.bytes[0];
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if ((cmf & 0x0f) == 0x08) {
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font.file = new FlateStream(fontFile);
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} else {
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font.file = fontFile;
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}
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}
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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 data = obj.data;
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if (data) {
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var length = data.length;
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for (var j = 0; j < length; j++)
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str += String.fromCharCode(data[j]);
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}
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obj.str = str;
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// Remove the data array form the font object, as it's not needed
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// anymore as we sent over the ready str.
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delete obj.data;
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handler.send("font_ready", [objId, obj]);
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});
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}
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}
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