Sakurai/pdf.js
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working on subroutines

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This commit is contained in:
sbarman 2011-08-16 10:25:02 -07:00
parent 03e111308f
commit 23d37f98db
1 changed files with 37 additions and 3 deletions
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40
fonts.js
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@ -1598,6 +1598,17 @@ var Type1Parser = function() {
var c = '';
var count = eexecStr.length;
for (var i = 0; i < count; i++) {
var getToken = function() {
while(i < count && (eexecStr[i] == ' ' || eexecStr[i] == '\n'))
++i;
var t = '';
while(i < count && !(eexecStr[i] == ' ' || eexecStr[i] == '\n'))
t += eexecStr[i++];
return t;
}
var c = eexecStr[i];
if ((glyphsSection || subrsSection) && c == 'R') {
@ -1627,7 +1638,25 @@ var Type1Parser = function() {
glyphsSection = true;
break;
case '/Subrs':
subrsSection = true;
++i;
var num = parseInt(getToken());
getToken(); // read in 'array'
for (var j = 0; j < num; ++j) {
var t = getToken(); // read in 'dup'
if (t == 'ND')
break;
var index = parseInt(getToken());
if (index > j)
j = index;
var length = parseInt(getToken());
getToken(); // read in 'RD'
var data = eexec.slice(i + 1, i + 1 + length);
var encoded = decrypt(data, kCharStringsEncryptionKey, 4);
var str = decodeCharString(encoded);
i = i + 1 + length;
getToken(); //read in 'NP'
program.subrs[index] = str.charstring;
}
break;
case '/BlueValues':
case '/OtherBlues':
@ -1909,8 +1938,13 @@ CFF.prototype = {
for (var i = 0; i < bias; i++)
type2Subrs.push([0x0B]);
for (var i = 0; i < count; i++)
type2Subrs.push(this.flattenCharstring(type1Subrs[i], this.commandsMap));
for (var i = 0; i < count; i++) {
var subr = type1Subrs[i];
if (!subr)
subr = [0x0B];
type2Subrs.push(this.flattenCharstring(subr, this.commandsMap));
}
return type2Subrs;
},