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

This commit is contained in:
Vivien Nicolas 2011-06-14 21:38:59 +02:00
parent 6364e7fad5
commit bd2e756100
3 changed files with 64 additions and 43 deletions

60
test.js
View file

@ -76,47 +76,37 @@ function displayPage(num) {
// of the page to be fully loaded before loading the page
var fontsReady = true;
var fonts = page.fonts;
for (var i = 0; i < fonts.length; i++) {
var fontName = fonts[i].replace("+", "_");
var font = Fonts[fontName];
if (!font) {
// load the new font
var xref = page.xref;
var resources = xref.fetchIfRef(page.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"));
var name = descriptor.get("FontName").toString();
if (name == fontName.replace("_", "+")) {
var subtype = res.get("Subtype").name;
var fontFile = page.xref.fetchIfRef(descriptor.get("FontFile"));
if (!fontFile)
fontFile = page.xref.fetchIfRef(descriptor.get("FontFile2"));
var xref = page.xref;
fonts.forEach(function(fontKey, fontDict) {
var descriptor = xref.fetch(fontDict.get("FontDescriptor"));
var fontName = descriptor.get("FontName").name;
fontName = fontName.replace("+", "_");
// Generate the custom cmap of the font
var encoding = xref.fetch(res.get("Encoding"));
var differences = encoding.get("Differences");
// Check if the font has been loaded or is still loading
var font = Fonts[fontName];
if (!font) {
var fontFile = xref.fetchIfRef(descriptor.get2("FontFile", "FontFile2"));
// Generate the custom cmap of the font if needed
var encodingMap = {};
var index = 0;
for (var j = 0; j < differences.length; j++) {
var data = differences[j];
if (IsNum(data))
index = data;
else
encodingMap[index++] = data;
if (fontDict.has("Encoding")) {
var encoding = xref.fetchIfRef(fontDict.get("Encoding"));
if (IsDict(encoding)) {
var differences = encoding.get("Differences");
var index = 0;
for (var j = 0; j < differences.length; j++) {
var data = differences[j];
IsNum(data) ? index = data : encodingMap[index++] = data;
}
}
}
var subtype = fontDict.get("Subtype").name;
new Font(fontName, fontFile, encodingMap, subtype);
fontsReady = false;
break;
}
return fontsReady = false;
} else if (font.loading) {
return fontsReady = false;
}
} else if (font.loading) {
fontsReady = false;
break;
}
}
});
// If everything is ready do not delayed the page loading any more
if (fontsReady)