picasaから取得した画像をzip圧縮してローカルPCに保存
/**
* Copyright umhr ( http://wonderfl.net/user/umhr )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/qgII
*/
/*
picasaから検索でヒットする画像を取得し、zipでローカルpcに保存する。
管理用のxmlも同梱する。
【参考】Picasa Web Albums Data API
http://code.google.com/intl/ja/apis/picasaweb/docs/2.0/reference.html
*/
package {
import com.bit101.components.InputText;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.filters.DropShadowFilter;
import flash.geom.Matrix;
import flash.net.FileReference;
import flash.system.LoaderContext;
import flash.system.Security;
import flash.utils.ByteArray;
import nochump.util.zip.ZipEntry;
import nochump.util.zip.ZipOutput;
import com.bit101.components.*;
import com.adobe.serialization.json.JSONDecoder;
public class Main extends Sprite {
private var _mulitiLoader:MultiLoader;
private var _query:InputText;
private var _urlArea:Text;
private var _maxResults:NumericStepper;
private var _imgmax:ComboBox;
public function Main() {
//bit101の日本語対応
Style.embedFonts = false;
Style.fontName = "_typewriter";
Style.fontSize = 11;
_query = new InputText(this, 0, 4, "green", update);
_query.width = 200;
_maxResults = new NumericStepper(this, 210, 4, update);
_maxResults.minimum = 1;
_maxResults.value = 3;
_imgmax = new ComboBox(this, 300, 4);
var items:Array = [94, 110, 128, 200, 220, 288, 320, 400, 512, 576, 640, 720, 800, 912, 1024, 1152, 1280, 1440, 1600];
var n:int = items.length;
for (var i:int = 0; i < n; i++) {
_imgmax.addItem( { label:String(items[i]) } );
}
_imgmax.selectedIndex = 4;
_imgmax.addEventListener(MouseEvent.MOUSE_UP, update);
_urlArea = new Text(this, 0, 30);
_urlArea.width = 465;
_urlArea.height = 60;
new PushButton(this, 0, 100, "Load", onLoad);
update(null);
}
private function update(e:Event):void {
var str:String = "http://photos.googleapis.com/data/feed/base/all?alt=json&kind=photo";
str += "&imgor=landscape";
str += "&imglic=commercial";
str += "&q=" + encodeURI(_query.text);
str += "&max-results=" + _maxResults.value;
str += "&imgmax=" + _imgmax.selectedItem.label;
_urlArea.text = str;
}
private function onLoad(e:Event):void {
//var xmlURL:String = "http://photos.googleapis.com/data/feed/base/all?imgor=landscape&alt=rss&kind=photo&q=waterdrop&imglic=commercial&max-results=30&imgmax=220";
var xmlURL:String = _urlArea.text;
//crossdomain.xml（クロスドメインポリシーファイル）の位置を指定
Security.loadPolicyFile("http://photos.googleapis.com/data/crossdomain.xml"); //*1
_mulitiLoader = new MultiLoader();
_mulitiLoader.addEventListener(MultiLoader.COMPLETE, onCompleteXML);
_mulitiLoader.add(xmlURL, { type:"text", id:"xml"} );
_mulitiLoader.start();
}
private function onCompleteXML(e:Event):void {
var decoder:JSONDecoder = new JSONDecoder(e.target.data);
var json:Object = decoder.getValue();
var myLoaderContext:LoaderContext = new LoaderContext(true); //*8
_mulitiLoader.addEventListener(MultiLoader.COMPLETE, onCompleteImg);
var n:int = json.feed.entry.length;
for (var i:int = 0; i < n; i++) {
var url:String = json.feed.entry[i]["media$group"]["media$content"][0].url;
_mulitiLoader.add(url, { type:"binary", id:"jpg" + i, context:myLoaderContext } );
var crdt:String = json.feed.entry[i]["media$group"]["media$credit"][0]["$t"];
var fileName:String = url.substr(url.lastIndexOf("/")+1);
itemList["jpg" + i] = { credit:crdt, name:fileName };
}
_mulitiLoader.start();
}
private var itemList:Object = { };
private var _zipOut:ZipOutput;
private function onCompleteImg(e:Event):void {
var i:int = 0;
var n:int = _mulitiLoader.itemsTotal - 1;
//zip化
_zipOut = new ZipOutput();
var xmlString:String = '<?xml version="1.0" encoding="utf-8" ?>\n';
xmlString += "<data>\n\t<files>\n";
var nums:Array = [];
for (i = 0; i < n; i++) {
//zipファイルの生成
var byteArray:ByteArray = _mulitiLoader.getBinary("jpg" + i);
try{
_zipOut.putNextEntry(new ZipEntry(itemList["jpg" + i].name));
_zipOut.write(byteArray);
_zipOut.closeEntry();
}catch (e:*) {
//ファイル名が同じ場合、処理できないので
trace("*****", i, itemList["jpg" + i].name);
continue;
}
//info.xmlの内容
xmlString += "\t\t<file>\n";
xmlString += "\t\t\t<id>img" + nums.length + "</id>\n";
xmlString += "\t\t\t<type>image</type>\n";
xmlString += "\t\t\t<url>" + itemList["jpg" + i].name + "</url>\n";
xmlString += "\t\t\t<info>\n\t\t\t\t<by>" + itemList["jpg" + i].credit + "</by>\n\t\t\t</info>\n";
xmlString += "\t\t</file>\n";
nums.push(i);
}
xmlString += "\t</files>\n</data>";
n = nums.length;
var stageWidth:int = stage.stageWidth;
var stageHeight:int = stage.stageHeight-150;
var myBitmapData:BitmapData = new BitmapData(stageWidth, stageHeight);
var sq:int = Math.floor(Math.sqrt(n));
var scale:Number = Math.min(1,(stageHeight/sq)/_imgmax.selectedItem.label);
for (i = 0; i < n; i++) {
var j:int = nums[i];
var tx:Number = (i % sq) * (stageWidth / sq);
var ty:Number = Math.floor(i / sq) * (stageHeight / sq);
var myBitmap:Bitmap = _mulitiLoader.getBitmap("jpg" + j);
myBitmapData.draw(myBitmap, new Matrix(scale, 0, 0, scale, tx, ty));
}
var bitmap:Bitmap = new Bitmap(myBitmapData);
bitmap.y = 150;
addChild(bitmap);
//info.xmlの生成
var fileData1:ByteArray = new ByteArray();
fileData1.writeUTFBytes(xmlString);
_zipOut.putNextEntry(new ZipEntry("info.xml"));
_zipOut.write(fileData1);
_zipOut.closeEntry();
_zipOut.finish();
new PushButton(this, 360, 100, "Save", onSave);
}
private function onSave(e:Event):void {
//ファイルリファレンスで保存
var fr:FileReference = new FileReference();
fr.save(_zipOut.byteArray, "files.zip"); // ダイアログを表示する
function onComplete(e:Event):void {
trace(fr.name);
}
}
}
}
/**
* Fileローダー
* ...
* @author umhr
*/
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Loader;
import flash.events.Event;
import flash.events.IOErrorEvent;
import flash.net.URLLoader;
import flash.net.URLLoaderDataFormat;
import flash.net.URLRequest;
import flash.system.LoaderContext;
import flash.system.Security;
import flash.utils.Dictionary;
import flash.utils.ByteArray;
import flash.utils.getQualifiedClassName;
import flash.display.MovieClip;
class MultiLoader{
public static var IMAGE_EXTENSIONS:Array = ["swf", "jpg", "jpeg", "gif", "png"];
public static var TEXT_EXTENSIONS:Array = ["txt", "js", "xml", "php", "asp"];
public static const COMPLETE:String = "complete";
private var _listener:Function = function(event:Event):void{};
private var _loads:Dictionary;
private var _keyFromId:Dictionary;
private var _loadCount:int;
private var _itemsLoaded:int;
public var items:Array;
private var _binaryLoads:Dictionary = new Dictionary();
public function MultiLoader(name:String = ""){
_loads = new Dictionary();
_keyFromId = new Dictionary();
_itemsLoaded = 0;
items = [];
}
public function add(url:String, props:Object = null):void {
var loadingItem:LoadingItem = new LoadingItem();
loadingItem.url = url;
loadingItem.type = getType(url, props);
if(props){
if(props.context){
loadingItem.context = props.context;
}
if (props.id) {
_keyFromId[props.id] = url;
}
if (props.preventCache) {
loadingItem.preventCache = props.preventCache;
}
}
items.push(loadingItem);
}
private function getType(url:String, props:Object = null):String{
var result:String = "";
if (props && props.type) {
return props.type;
}
var i:int;
var extension:String;
var n:int = IMAGE_EXTENSIONS.length;
for (i = 0; i < n; i++) {
extension = IMAGE_EXTENSIONS[i];
if(extension == url.substr(-extension.length).toLowerCase()){
result = "image";
break;
}
}
if(result == ""){
n = TEXT_EXTENSIONS.length;
for (i = 0; i < n; i++) {
extension = TEXT_EXTENSIONS[i];
if(extension == url.substr(-extension.length).toLowerCase()){
result = "text";
break;
}
}
}
return result;
}
public function start():void{
var n:int = items.length;
for (var i:int = 0; i < n; i++) {
var type:String = items[i].type;
var url:String = items[i].url;
url += (items[i].preventCache)?"?rand=" + Math.random():"";
var uRLRequest:URLRequest = new URLRequest(url);
if(type == "image"){
_loads[items[i].url] = loadImage(uRLRequest, items[i].context);
}else if(type == "text"){
_loads[items[i].url] = loadText(uRLRequest);
}else if (type == "byteImage") {
byteImage(uRLRequest, items[i].context);
}else if(type == "binary"){
_loads[items[i].url] = loadBinary(uRLRequest);
}
}
}
public function addEventListener(type:String,listener:Function):void{
_listener = listener;
}
public function getBitmap(key:String):Bitmap{
key = keyMatching(key);
var bitmap:Bitmap;
try{
if (getQualifiedClassName(_loads[key].content) == "flash.display::MovieClip") {
var mc:MovieClip = _loads[key].content;
var bitmapData:BitmapData = new BitmapData(mc.width, mc.height);
bitmapData.draw(mc);
bitmap = new Bitmap(bitmapData);
}else {
bitmap = _loads[key].content;
}
}catch (e:*) {
//type == "binary"の場合
if(_binaryLoads[key]){
bitmap = _binaryLoads[key].content;
}
//bitmap = new Bitmap();
}
return bitmap;
}
public function getBitmapData(key:String):BitmapData{
key = keyMatching(key);
var bitmap:Bitmap = getBitmap(key);
var bitmapData:BitmapData = new BitmapData(bitmap.width, bitmap.height);
bitmapData.draw(bitmap);
return bitmapData;
}
private function loadImage(url:URLRequest, context:LoaderContext = null):Loader {
var loader:Loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onComp);
loader.load(url, context);
return loader;
}
private function byteImage(url:URLRequest, context:LoaderContext = null):void {
var loader:Loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, loadBytes);
loader.load(url, context);
function loadBytes(event:Event):void {
_loads[url.url] = new Loader();
_loads[url.url].contentLoaderInfo.addEventListener(Event.COMPLETE, onComp);
_loads[url.url].loadBytes(event.target.bytes);
}
}
public function getBinary(key:String):ByteArray {
var byteArray:ByteArray;
try {
byteArray = _loads[keyMatching(key)].contentLoaderInfo.bytes;
}catch (e:*) {
//type == "binary"の場合
byteArray = _loads[keyMatching(key)].data;
}
return byteArray;
}
public function getText(key:String):String {
key = keyMatching(key);
return key?_loads[key].data:key;
}
public function getXML(key:String):XML {
return new XML(getText(key));
}
private function keyMatching(key:String):String {
return _loads[key]?key:_keyFromId[key];
}
private function loadText(url:URLRequest):URLLoader{
var loader:URLLoader = new URLLoader();
loader.addEventListener(Event.COMPLETE, onComp);
loader.load(url);
return loader;
}
private function loadBinary(url:URLRequest):URLLoader{
var loader:URLLoader = new URLLoader();
loader.addEventListener(Event.COMPLETE, loadBytes);
loader.dataFormat = "binary";
loader.load(url);
return loader;
function loadBytes(event:Event):void {
_binaryLoads[url.url] = new Loader();
_binaryLoads[url.url].contentLoaderInfo.addEventListener(Event.COMPLETE, onComp);
_binaryLoads[url.url].loadBytes(event.target.data);
}
}
private function onComp(event:Event):void {
_itemsLoaded ++;
if (_itemsLoaded == items.length) {
_itemsLoaded = 0;
_listener(event);
}
}
public function get itemsTotal():int{
return items.length;
}
public function get itemsLoaded():int{
return _itemsLoaded;
}
public function get loadedRatio():Number {
return _itemsLoaded / items.length;
}
}
import flash.net.URLRequest;
import flash.system.LoaderContext;
class LoadingItem{
public var url:String;
public var preventCache:Boolean;
public var type:String;
public var status:String;
public var context:LoaderContext;
public function LoadingItem(){};
}