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Bug 1452075 - Backport some upstream pdf.js fixes.

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This commit is contained in:
Ryan VanderMeulen 2018-04-13 10:46:47 -04:00 • committed by Roy Tam
commit 32c5941589
2 changed files with 60 additions and 42 deletions
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67
browser/extensions/pdfjs/content/build/pdf.worker.js vendored
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@ -41653,6 +41653,22 @@
var isStream = corePrimitives.isStream;
var PostScriptLexer = corePsParser.PostScriptLexer;
var PostScriptParser = corePsParser.PostScriptParser;
function toNumberArray(arr) {
if (!Array.isArray(arr)) {
return null;
}
var length = arr.length;
for (var i = 0; i < length; i++) {
if (typeof arr[i] !== 'number') {
var result = new Array(length);
for (var j = 0; j < length; j++) {
result[j] = +arr[j];
}
return result;
}
}
return arr;
}
var PDFFunction = function PDFFunctionClosure() {
var CONSTRUCT_SAMPLED = 0;
var CONSTRUCT_INTERPOLATED = 2;
@ -41752,8 +41768,8 @@
}
return out;
}
var domain = dict.getArray('Domain');
var range = dict.getArray('Range');
var domain = toNumberArray(dict.getArray('Domain'));
var range = toNumberArray(dict.getArray('Range'));
if (!domain || !range) {
error('No domain or range');
}
@ -41761,7 +41777,7 @@
var outputSize = range.length / 2;
domain = toMultiArray(domain);
range = toMultiArray(range);
var size = dict.get('Size');
var size = toNumberArray(dict.get('Size'));
var bps = dict.get('BitsPerSample');
var order = dict.get('Order') || 1;
if (order !== 1) {
@ -41769,16 +41785,16 @@
// As in poppler, ignoring order, linear interpolation may work as good
info('No support for cubic spline interpolation: ' + order);
}
var encode = dict.getArray('Encode');
var encode = toNumberArray(dict.getArray('Encode'));
if (!encode) {
encode = [];
for (var i = 0; i < inputSize; ++i) {
encode.push(0);
encode.push(size[i] - 1);
encode.push([0, size[i] - 1]);
}
} else {
encode = toMultiArray(encode);
}
encode = toMultiArray(encode);
var decode = dict.getArray('Decode');
var decode = toNumberArray(dict.getArray('Decode'));
if (!decode) {
decode = range;
} else {
@ -41873,12 +41889,9 @@
};
},
constructInterpolated: function PDFFunction_constructInterpolated(str, dict) {
var c0 = dict.getArray('C0') || [0];
var c1 = dict.getArray('C1') || [1];
var c0 = toNumberArray(dict.getArray('C0')) || [0];
var c1 = toNumberArray(dict.getArray('C1')) || [1];
var n = dict.get('N');
if (!isArray(c0) || !isArray(c1)) {
error('Illegal dictionary for interpolated function');
}
var length = c0.length;
var diff = [];
for (var i = 0; i < length; ++i) {
@ -41904,7 +41917,7 @@
};
},
constructStiched: function PDFFunction_constructStiched(fn, dict, xref) {
var domain = dict.getArray('Domain');
var domain = toNumberArray(dict.getArray('Domain'));
if (!domain) {
error('No domain');
}
@ -41915,10 +41928,10 @@
var fnRefs = dict.get('Functions');
var fns = [];
for (var i = 0, ii = fnRefs.length; i < ii; ++i) {
fns.push(PDFFunction.getIR(xref, xref.fetchIfRef(fnRefs[i])));
fns.push(PDFFunction.parse(xref, xref.fetchIfRef(fnRefs[i])));
}
var bounds = dict.getArray('Bounds');
var encode = dict.getArray('Encode');
var bounds = toNumberArray(dict.getArray('Bounds'));
var encode = toNumberArray(dict.getArray('Encode'));
return [
CONSTRUCT_STICHED,
domain,
@ -41931,12 +41944,8 @@
var domain = IR[1];
var bounds = IR[2];
var encode = IR[3];
var fnsIR = IR[4];
var fns = [];
var fns = IR[4];
var tmpBuf = new Float32Array(1);
for (var i = 0, ii = fnsIR.length; i < ii; i++) {
fns.push(PDFFunction.fromIR(fnsIR[i]));
}
return function constructStichedFromIRResult(src, srcOffset, dest, destOffset) {
var clip = function constructStichedFromIRClip(v, min, max) {
if (v > max) {
@ -41973,8 +41982,8 @@
};
},
constructPostScript: function PDFFunction_constructPostScript(fn, dict, xref) {
var domain = dict.getArray('Domain');
var range = dict.getArray('Range');
var domain = toNumberArray(dict.getArray('Domain'));
var range = toNumberArray(dict.getArray('Range'));
if (!domain) {
error('No domain.');
}
@ -42933,8 +42942,8 @@
case 'AlternateCS':
var numComps = IR[1];
var alt = IR[2];
var tintFnIR = IR[3];
return new AlternateCS(numComps, ColorSpace.fromIR(alt), PDFFunction.fromIR(tintFnIR));
var tintFn = IR[3];
return new AlternateCS(numComps, ColorSpace.fromIR(alt), tintFn);
case 'LabCS':
whitePoint = IR[1];
blackPoint = IR[2];
@ -43072,12 +43081,12 @@
numComps = name.length;
}
alt = ColorSpace.parseToIR(cs[2], xref, res);
var tintFnIR = PDFFunction.getIR(xref, xref.fetchIfRef(cs[3]));
var tintFn = PDFFunction.parse(xref, xref.fetchIfRef(cs[3]));
return [
'AlternateCS',
numComps,
alt,
tintFnIR
tintFn
];
case 'Lab':
params = xref.fetchIfRef(cs[1]);
@ -52488,4 +52497,4 @@
}));
}.call(pdfjsLibs));
exports.WorkerMessageHandler = pdfjsLibs.pdfjsCoreWorker.WorkerMessageHandler;
}));
}));