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Add |SpecialPUASymbols| map and refactor |mapSpecialUnicodeValues|

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This commit is contained in:
Jonas Jenwald 2014-09-04 13:41:15 +02:00
parent 2d5596172c
commit 7b3f222787
1 changed files with 30 additions and 60 deletions
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90
src/core/fonts.js
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@ -497,72 +497,42 @@ var GlyphMapForStandardFonts = {
'3316': 578, '3379': 42785, '3393': 1159, '3416': 8377
};
// Some characters, e.g. copyrightserif, mapped to the private use area and
// Some characters, e.g. copyrightserif, are mapped to the private use area and
// might not be displayed using standard fonts. Mapping/hacking well-known chars
// to the similar equivalents in the normal characters range.
var SpecialPUASymbols = {
'63721': 0x00A9, // copyrightsans (0xF8E9) => copyright
'63193': 0x00A9, // copyrightserif (0xF6D9) => copyright
'63720': 0x00AE, // registersans (0xF8E8) => registered
'63194': 0x00AE, // registerserif (0xF6DA) => registered
'63722': 0x2122, // trademarksans (0xF8EA) => trademark
'63195': 0x2122, // trademarkserif (0xF6DB) => trademark
'63729': 0x23A7, // bracelefttp (0xF8F1)
'63730': 0x23A8, // braceleftmid (0xF8F2)
'63731': 0x23A9, // braceleftbt (0xF8F3)
'63740': 0x23AB, // bracerighttp (0xF8FC)
'63741': 0x23AC, // bracerightmid (0xF8FD)
'63742': 0x23AD, // bracerightmid (0xF8FE)
'63726': 0x23A1, // bracketlefttp (0xF8EE)
'63727': 0x23A2, // bracketleftex (0xF8EF)
'63728': 0x23A3, // bracketleftbt (0xF8F0)
'63737': 0x23A4, // bracketrighttp (0xF8F9)
'63738': 0x23A5, // bracketrightex (0xF8FA)
'63739': 0x23A6, // bracketrightbt (0xF8FB)
'63723': 0x239B, // parenlefttp (0xF8EB)
'63724': 0x239C, // parenleftex (0xF8EC)
'63725': 0x239D, // parenleftbt (0xF8ED)
'63734': 0x239E, // parenrighttp (0xF8F6)
'63735': 0x239F, // parenrightex (0xF8F7)
'63736': 0x23A0, // parenrightbt (0xF8F8)
};
function mapSpecialUnicodeValues(code) {
if (code >= 0xFFF0 && code <= 0xFFFF) { // Specials unicode block.
return 0;
} else if (code >= 0xF600 && code <= 0xF8FF) {
return (SpecialPUASymbols[code] || code);
}
switch (code) {
case 0xF8E9: // copyrightsans
case 0xF6D9: // copyrightserif
return 0x00A9; // copyright
case 0xF8E8: // registersans
case 0xF6DA: // registerserif
return 0x00AE; // registered
case 0xF8EA: // trademarksans
case 0xF6DB: // trademarkserif
return 0x2122; // trademark
// The following mappings are necessary for some 'Symbol' encoded chars.
case 0xF8F1: // bracelefttp
return 0x23A7;
case 0xF8F2: // braceleftmid
return 0x23A8;
case 0xF8F3: // braceleftbt
return 0x23A9;
case 0xF8FC: // bracerighttp
return 0x23AB;
case 0xF8FD: // bracerightmid
return 0x23AC;
case 0xF8FE: // bracerightbt
return 0x23AD;
case 0xF8EE: // bracketlefttp
return 0x23A1;
case 0xF8EF: // bracketleftmid
return 0x23A2;
case 0xF8F0: // bracketleftbt
return 0x23A3;
case 0xF8F9: // bracketrighttp
return 0x23A4;
case 0xF8FA: // bracketrightmid
return 0x23A5;
case 0xF8FB: // bracketrightbt
return 0x23A6;
case 0xF8EB: // parenlefttp
return 0x239B;
case 0xF8EC: // parenleftmid
return 0x239C;
case 0xF8ED: // parenleftbt
return 0x239D;
case 0xF8F6: // parenrighttp
return 0x239E;
case 0xF8F7: // parenrightmid
return 0x239F;
case 0xF8F8: // parenrightbt
return 0x23A0;
default:
return code;
}
return code;
}
var UnicodeRanges = [