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fix reading linearized documents

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This commit is contained in:
Andreas Gal 2011-05-06 22:44:01 -07:00
parent e655900785
commit d971dfa01b
1 changed files with 10 additions and 8 deletions
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18
pdf.js
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@ -417,7 +417,7 @@ var Lexer = (function() {
if (ch == '<') {
// dict punctuation
stream.getChar();
return new Cmd(ch);
return new Cmd("<<");
}
return this.getHexString(ch);
// dict punctuation
@ -425,7 +425,7 @@ var Lexer = (function() {
ch = stream.lookChar();
if (ch == '>') {
stream.getChar();
return new Cmd(ch);
return new Cmd(">>");
}
// fall through
case ')':
@ -494,6 +494,7 @@ var Parser = (function() {
this.refill();
if (IsCmd(this.buf1, "[")) { // array
this.shift();
var array = [];
while (!IsCmd(this.buf1, "]") && !IsEOF(this.buf1))
array.push(this.getObj());
@ -509,7 +510,7 @@ var Parser = (function() {
error("Dictionary key must be a name object");
shift();
} else {
var key = buf1;
var key = this.buf1.name;
this.shift();
if (IsEOF(this.buf1) || IsError(this.buf1))
break;
@ -570,7 +571,7 @@ var Linearization = (function () {
var obj3 = this.parser.getObj();
this.linDict = this.parser.getObj();
if (IsInt(obj1) && IsInt(obj2) && IsCmd(obj3, "obj") && IsDict(this.linDict)) {
var obj = this.linDict.lookup("Linearized");
var obj = this.linDict.get("Linearized");
if (!(IsNum(obj) && obj > 0))
this.linDict = null;
}
@ -581,9 +582,9 @@ var Linearization = (function () {
var linDict = this.linDict;
var obj;
if (IsDict(linDict) &&
IsInt(obj = linDict.lookup(name)) &&
IsInt(obj = linDict.get(name)) &&
obj > 0) {
return length;
return obj;
}
error("'" + name + "' field in linearization table is invalid");
return 0;
@ -592,7 +593,7 @@ var Linearization = (function () {
var linDict = this.linDict;
var obj1, obj2;
if (IsDict(linDict) &&
IsArray(obj1 = linDict.lookup("H")) &&
IsArray(obj1 = linDict.get("H")) &&
obj1.length >= 2 &&
IsInt(obj2 = obj1[index]) &&
obj2 > 0) {
@ -1282,7 +1283,8 @@ function runEchoTests() {
}
function runParseTests() {
var data = snarf("simple_graphics.pdf", "binary");
//var data = snarf("simple_graphics.pdf", "binary");
var data = snarf("/tmp/pdf_reference_1-7.pdf", "binary");
var pdf = new PDFDoc(new Stream(data));
}