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Add XObjects fonts to the list of page fonts and has a forEach method to the Dict class

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Vivien Nicolas 2011-06-14 21:38:59 +02:00
parent 3625ac93a3
commit 363071aab9
3 changed files with 64 additions and 43 deletions
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34
pdf.js
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@ -563,6 +563,10 @@ var Dict = (function() {
set: function(key, value) {
this.map[key] = value;
},
forEach: function(aCallback) {
for (var key in this.map)
aCallback(key, this.map[key]);
},
toString: function() {
var keys = [];
for (var key in this.map)
@ -1404,16 +1408,30 @@ var Page = (function() {
},
get fonts() {
var xref = this.xref;
var fonts = [];
var resources = xref.fetchIfRef(this.resources);
var fontResource = resources.get("Font");
for (var id in fontResource.map) {
var res = xref.fetch(fontResource.get(id));
var descriptor = xref.fetch(res.get("FontDescriptor"));
fonts.push(descriptor.get("FontName").toString());
var fontsDict = new Dict();
// Get the fonts use on the page
var fontResources = resources.get("Font");
fontResources.forEach(function(fontKey, fontData) {
fontsDict.set(fontKey, xref.fetch(fontData))
});
// Get the fonts use on xobjects of the page if any
var xobjs = xref.fetchIfRef(resources.get("XObject"));
if (xobjs) {
xobjs.forEach(function(key, xobj) {
xobj = xref.fetchIfRef(xobj);
assertWellFormed(IsStream(xobj), "XObject should be a stream");
var xobjFonts = xobj.dict.get("Resources").get("Font");
xobjFonts.forEach(function(fontKey, fontData) {
fontsDict.set(fontKey, xref.fetch(fontData))
});
});
}
return shadow(this, "fonts", fonts);
return shadow(this, "fonts", fontsDict);
},
display: function(gfx) {
var xref = this.xref;