Sakurai/pdf.js
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Split compilation up in preCompile and Compile.

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This commit is contained in:
Julian Viereck 2011-09-05 17:01:02 -07:00
parent e3dd329739
commit 0134143c67
1 changed files with 23 additions and 5 deletions
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28
pdf.js
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@ -3408,7 +3408,7 @@ var Page = (function() {
})
},
compile: function(gfx, fonts, images) {
preCompile: function(gfx, fonts, images) {
if (this.code) {
// content was compiled
return;
@ -3424,7 +3424,12 @@ var Page = (function() {
content[i] = xref.fetchIfRef(content[i]);
content = new StreamsSequenceStream(content);
}
this.code = gfx.compile(content, xref, resources, fonts, images);
return gfx.preCompile(content, xref, resources, fonts, images);
},
compile: function(gfx, fonts, images) {
var preCompilation = this.preCompile(gfx, fonts, images);
this.code = gfx.postCompile(preCompilation);
},
ensureFonts: function(fonts, callback) {
@ -4299,6 +4304,15 @@ var PartialEvaluator = (function() {
gfx[fnArray[i]].apply(gfx, argsArray[i]);
};
},
evalFromRaw: function(raw) {
return function(gfx) {
var argsArray = raw.argsArray;
var fnArray = raw.fnArray;
for (var i = 0, length = argsArray.length; i < length; i++)
gfx[fnArray[i]].apply(gfx, argsArray[i]);
};
},
extractEncoding: function(dict, xref, properties) {
var type = properties.type, encoding;
@ -4761,9 +4775,13 @@ var CanvasGraphics = (function() {
this.ctx.scale(cw / mediaBox.width, ch / mediaBox.height);
},
compile: function(stream, xref, resources, fonts, images) {
var pe = new PartialEvaluator();
return pe.evaluate(stream, xref, resources, fonts, images);
preCompile: function(stream, xref, resources, fonts, images) {
var pe = this.pe = new PartialEvaluator();
return pe.evalRaw(stream, xref, resources, fonts, images);
},
postCompile: function(raw) {
return this.pe.evalFromRaw(raw);
},
execute: function(code, xref, resources) {