Sakurai/pdf.js
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cleaned up code

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This commit is contained in:
sbarman 2011-06-20 20:41:24 -07:00
parent 75bffdd613
commit 3b38313b7a
1 changed files with 21 additions and 52 deletions
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43
pdf.js
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@ -19,7 +19,6 @@ function warn(msg) {
}
function error(msg) {
console.trace();
throw new Error(msg);
}
@ -540,10 +539,9 @@ var JpegStream = (function() {
}
constructor.prototype = {
getByte: function() {
// dummy method to pass IsStream test
error("shouldnt be called");
getChar: function() {
},
getImage: function() {
return this.domImage;
}
@ -653,7 +651,6 @@ var PredictorStream = (function() {
var predictor = this.stream.getByte();
var rawBytes = this.stream.getBytes(rowBytes - pixBytes);
var i;
switch (predictor) {
case 0:
@ -667,7 +664,7 @@ var PredictorStream = (function() {
currentRow[i] = (currentRow[i] + rawBytes[j]) & 0xFF;
break;
case 3:
for (i = pixBytes, j = 0; i < rowBytes; ++i, ++j)
for (var i = pixBytes, j = 0; i < rowBytes; ++i, ++j)
currentRow[i] = (((currentRow[i] + currentRow[i - pixBytes])
>> 1) + rawBytes[j]) & 0xFF;
break;
@ -767,9 +764,6 @@ var Name = (function() {
}
constructor.prototype = {
toString: function() {
return this.name;
}
};
return constructor;
@ -781,9 +775,6 @@ var Cmd = (function() {
}
constructor.prototype = {
toString: function() {
return this.cmd;
}
};
return constructor;
@ -812,7 +803,6 @@ var Dict = (function() {
aCallback(key, this.map[key]);
}
};
return constructor;
})();
@ -865,7 +855,7 @@ function IsArray(v) {
}
function IsStream(v) {
return typeof v == "object" && "getByte" in v;
return typeof v == "object" && "getChar" in v;
}
function IsRef(v) {
@ -1364,27 +1354,6 @@ var Parser = (function() {
},
makeFilter: function(stream, name, length, params) {
if (name == "FlateDecode" || name == "Fl") {
/* var flateStr = new FlateStream(stream);
if (IsDict(params)) {
var predType = params.get("Predictor");
if (predType && predType > 1) {
var colors = params.get("Colors");
if (!colors)
colors = 1;
var bpc = params.get("BitsPerComponent");
if (!bpc)
bpc = 8;
var cols = params.get("Columns");
if (!cols)
cols = 1;
log("Predictor being used");
flateStr = new FilterPredictor(flateStr, predType, cols,
colors, bpc);
}
}
return flateStr;
*/
if (params) {
return new PredictorStream(new FlateStream(stream), params);
}
@ -3096,8 +3065,8 @@ var CanvasGraphics = (function() {
error("unhandled number of bits per component");
if (smask) {
//if (maskColorSpace.numComps != 1)
// error("Incorrect number of components in smask");
if (maskColorSpace.numComps != 1)
error("Incorrect number of components in smask");
var numComps = colorSpace.numComps;
var imgArray = image.getBytes(numComps * w * h);