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Reduce the memory usage of the operator list.

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This commit is contained in:
Brendan Dahl 2013-11-13 11:43:38 -08:00
parent a6e7f2226a
commit f4942b11f8
8 changed files with 288 additions and 155 deletions
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10
web/debugger.js
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@ -240,6 +240,8 @@ var Stepper = (function StepperClosure() {
return out;
}
var opMap = null;
var glyphCommands = {
'showText': 0,
'showSpacedText': 0,
@ -271,6 +273,12 @@ var Stepper = (function StepperClosure() {
headerRow.appendChild(c('th', 'args'));
panel.appendChild(content);
this.table = table;
if (!opMap) {
opMap = Object.create(null);
for (var key in PDFJS.OPS) {
opMap[PDFJS.OPS[key]] = key;
}
}
},
updateOperatorList: function updateOperatorList(operatorList) {
var self = this;
@ -300,7 +308,7 @@ var Stepper = (function StepperClosure() {
breakCell.appendChild(cbox);
line.appendChild(breakCell);
line.appendChild(c('td', i.toString()));
var fn = operatorList.fnArray[i];
var fn = opMap[operatorList.fnArray[i]];
var decArgs = args;
if (fn in glyphCommands) {
var glyphIndex = glyphCommands[fn];