色鉛筆画カメラ（Colored Pencil Drawing Camera）
PixelBenderで映像の輪郭を検出し、色鉛筆画風の映像に加工するエフェクトです。Saveボタンで画像をローカルに保存できます。
PixelBender detect the outline of the image in the style of painting is drawing to an image processing effect. Save button can save the image locally.
PixelBender参考（PixelBenderで輪郭検出）：http://level0.kayac.com/2010/09/pixelbender_edgedetection_filter.php
Reference PixelBender (PixelBender contour detection in): http://level0.kayac.com/2010/09/pixelbender_edgedetection_filter.php
/**
* Copyright mousepancyo ( http://wonderfl.net/user/mousepancyo )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/qi7W
*/
package {
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.events.IOErrorEvent;
import flash.display.Shader;
import flash.filters.ShaderFilter;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.geom.ColorTransform;
import flash.geom.Point;
import flash.net.*;
import flash.utils.ByteArray;
import com.adobe.images.PNGEncoder;
import com.bit101.components.*;
[SWF(width = "465", height = "465", backgroundColor = "0", frameRate = "30")]
public class Main extends Sprite{
private const FILTER_URL:String = "http://www.digifie.jp/files/filters/EdgeDetection.pbj";
private var _loader:URLLoader;
private var _shader:Shader;
private var _filter:ShaderFilter;
private var _container:Sprite;
private var _srcBmd:BitmapData;
private var _bm:Bitmap;
private var _video:CameraCapture;
private var _saveBmd:BitmapData;
private var _ctf:ColorTransform = new ColorTransform;
private var _fr:FileReference = new FileReference();
private var _chengeBtn:PushButton;
private var _blendBtn:PushButton;
private var _saveBtn:PushButton;
public function Main() {
addChild(new Bitmap(new BitmapData(465, 465, false, 0xF0F0F0)));
_ctf = new ColorTransform(-1, -1, -1, 1, 255, 255, 255, 0);
_chengeBtn = new PushButton(this, 72, 350, "Normal", viewChenge);
_blendBtn = new PushButton(this, 175, 350, "Color Drawing", blendVideo);
_saveBtn = new PushButton(this, 293, 350, "Save Image", save);
//
_srcBmd = new BitmapData(320, 240, false, 0);
_saveBmd = _srcBmd.clone();
_bm = new Bitmap(_srcBmd);
_container = new Sprite();
_container.x = 72;
_container.y = 100;
//
filterLoad();
}
// Load Filter
private function filterLoad():void{
_loader = new URLLoader;
_loader.addEventListener(Event.COMPLETE, onLoaded);
_loader.dataFormat = URLLoaderDataFormat.BINARY;
_loader.load(new URLRequest(FILTER_URL));
}
private function onLoaded(e:Event):void{
_loader.removeEventListener(Event.COMPLETE, onLoaded);
// CreateFilter
_shader = new Shader(_loader.data);
_filter = new ShaderFilter(_shader);
// Video
_video = new CameraCapture(320, 240, 30);
_video.visible = false;
addEventListener(Event.ENTER_FRAME, update);
_container.addChild(_video);
_container.addChild(_bm);
addChild(_container);
//
blendVideo();
}
// View Update
private function update(e:Event):void{
_srcBmd.draw(_video)
// addedFilter
_srcBmd.applyFilter(_srcBmd, _srcBmd.rect, new Point(), _filter);
// Reversal of tone
_srcBmd.colorTransform(_srcBmd.rect, _ctf);
}
// MouseEvent
private function viewChenge(e:MouseEvent = null):void{
if(_video.visible && !_bm.visible){
_video.visible = false;
_bm.visible = true;
_chengeBtn.label = "Normal"
}else if(_bm.visible && !_video.visible){
_video.visible = true;
_bm.visible = false;
_chengeBtn.label = "Line Drawing"
}else{
if(_chengeBtn.label == "Normal"){
_video.visible = true;
_bm.visible = false;
_chengeBtn.label = "Line Drawing"
}else if(_chengeBtn.label == "Line Drawing"){
_video.visible = false;
_bm.visible = true;
_chengeBtn.label = "Normal"
}
_bm.blendMode = "normal";
_blendBtn.mouseEnabled = true;
_blendBtn.alpha = 1;
}
}
private function blendVideo(e:MouseEvent = null):void{
_video.visible = _bm.visible = true;
_bm.blendMode = "add";
_blendBtn.mouseEnabled = false;
_blendBtn.alpha = .3;
if(_chengeBtn.label == "Normal"){
_chengeBtn.label = "Line Drawing"
}else if(_chengeBtn.label == "Line Drawing"){
_chengeBtn.label = "Normal"
}
}
private function save(e:MouseEvent):void{
removeEventListener(Event.ENTER_FRAME, update);
_saveBmd.draw(_container);
fileSave(_saveBmd);
}
// ImageFile Save
private function fileSave($bmd:BitmapData):void {
var png:ByteArray = PNGEncoder.encode($bmd);
_fr.addEventListener(Event.COMPLETE, complete);
_fr.addEventListener(Event.CANCEL, cancel);
_fr.addEventListener(IOErrorEvent.IO_ERROR, ioError);
var date:Date = new Date ;
_fr.save(png, "image_" + date.getTime() + ".png");
//
function complete(e:Event):void{
removedEventListener();
addEventListener(Event.ENTER_FRAME, update);
}
function cancel(e:Event):void{
removedEventListener();
addEventListener(Event.ENTER_FRAME, update);
}
function ioError(e:IOErrorEvent):void{
removedEventListener();
addEventListener(Event.ENTER_FRAME, update);
}
//
function removedEventListener():void{
_fr.removeEventListener(Event.COMPLETE, complete);
_fr.removeEventListener(Event.CANCEL, cancel);
_fr.removeEventListener(IOErrorEvent.IO_ERROR, ioError);
}
}
}
}
// Camera
import flash.media.Video;
import flash.events.Event;
import flash.media.Camera;
class CameraCapture extends Video{
private var _cam:Camera;
private var _camW:int;
private var _camH:int;
private var _fps:Number;
public function CameraCapture(camW:Number, camH:Number, fps:Number=30) {
this.width = camW;
this.height = camH;
_camW = camW;
_camH = camH;
_fps = fps;
_cam = Camera.getCamera();
_cam.setMode(_camW, _camH, _fps);
this.attachCamera(_cam);
}
}