There is an easy way of loading external fonts embedded in swf files, using the etcs.ru.utils.FontLoader class. It loads the swf file, extract the font data directly at the bytes level, and register it to the Font class.
Here is a great tutorial for using the etcs.ru.utils.FontLoader class : http://www.thetechlabs.com/tutorials/flash/dynamically-loading-fonts-with-fontloader-and-applying-styles-with-css-stylesheet-in-as3/
I’ve put together a FontManager class that manages multiple swf files with this FontLoader class:
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| package revoke.ca.fonts {
import ru.etcs.utils.FontLoader;
import flash.text.Font;
import flash.events.EventDispatcher;
import flash.events.Event;
import flash.events.ProgressEvent;
import flash.events.IOErrorEvent;
import flash.net.URLRequest;
public class FontManager extends EventDispatcher {
private var _font_loaders:Array;
private var _data:Array;
private var _cur_font:Number = -1;
public function FontManager() {
_font_loaders = [];
}
public function init(data:Array) {
trace("FontManager::init");
_data = data;
for (var i:uint = 0; i < _data.length; i++) {
var font_loader:FontLoader = new FontLoader();
font_loader.addEventListener(ProgressEvent.PROGRESS, load_progress);
font_loader.addEventListener(Event.COMPLETE, load_complete);
font_loader.addEventListener(IOErrorEvent.IO_ERROR, load_error);
_font_loaders.push(font_loader);
}
loadNext();
}
private function loadNext(){
_cur_font++;
if (_cur_font >= _data.length){
trace("FontManager::total_load_complete");
dispatchEvent(new Event(Event.COMPLETE));
return;
}
_font_loaders[_cur_font].load(new URLRequest(_data[_cur_font]));
}
private function load_progress(event:ProgressEvent) {
var ratio:Number = (event.bytesLoaded / event.bytesTotal + _cur_font) / _data.length;
trace("FontManager:: PROGRESS : " + ratio);
}
private function load_error(event:IOErrorEvent) {
trace("FontManager::load_error");
dispatchEvent(new IOErrorEvent(IOErrorEvent.IO_ERROR));
}
private function load_complete(event:Event) {
trace("FontManager::load_complete");
loadNext();
}
public function get_font_list():Array {
var fonts:Array = [];
for (var i:uint = 0; i < _font_loaders.length; i++){
var cur_fonts:Array = _font_loaders[i].fonts;
for each (var font:Font in fonts) {
Log.log("FontManager:: FONT LOADED : " + font.fontName);
}
fonts.splice(fonts.length, cur_fonts);
}
return fonts;
}
}
} |
Usage :
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| import flash.events.Event;
import flash.events.ProgressEvent;
import flash.events.IOErrorEvent;
var font_data:Array = ["fonts/arial.swf", "fonts/helvetica.swf"];
var font_manager:FontManager = new FontManager();
font_manager.addEventListener(Event.COMPLETE, fonts_complete);
font_manager.addEventListener(ProgressEvent.PROGRESS, fonts_progress);
font_manager.addEventListener(IOErrorEvent.IO_ERROR, fonts_error);
font_manager.init(font_data);
function fonts_complete(event:Event):void {
trace("Fonts Complete : " + font_manager.get_font_list());
}
function fonts_progress(event:ProgressEvent):void {
trace("Fonts Progress : " + (event.bytesLoaded / event.bytesTotal));
}
function fonts_error(event:IOErrorEvent):void {
trace("Fonts Error");
} |