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Improve a bit the createNameTable code

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This commit is contained in:
Vivien Nicolas 2011-06-30 01:18:11 +02:00
parent 4c6c20fc29
commit 1c611d4e32
1 changed files with 52 additions and 30 deletions
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82
fonts.js
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@ -616,43 +616,65 @@ 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
]; ];
var platforms = ["\x00\x01", "\x00\x03"];
var encodings = ["\x00\x00", "\x00\x01"];
var languages = ["\x00\x00", "\x04\x09"];
// Mac want 1-byte per character strings while Windows want
// 2-bytes per character, so duplicate the names table
var stringsUnicode = [];
var names = [strings, 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 namesRecordCount = platforms.length * names.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 names = strings[i];
for (var j = 0; j < names.length; j++) {
var nameRecord = var str = names[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(""); return nameTable + strings.join("") + stringsUnicode.join("");
return nameTable;
} }
// Required Tables // Required Tables
@ -758,7 +780,7 @@ var Font = (function () {
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 */