Forked from:: nitoyon's bloggie(PM-5K) 360 degree photo parameter checker

Donut shaped 360 degree photo (panorama photo) converter

360度パノラマ写真を変換するツールです
bloggie http://www.amazon.co.jp/exec/obidos/ASIN/B003479I0Y/nitoyoncom-22/
用に作ってますが、他のカメラやレンズにも対応できると思います。
----
This tool convert 360 degree photo.
Click LOAD to convert your original 360 degree photo.
Click PREVIEW to preview the result.
Click SAVE to save the result to your computer.

nitoyon

forked:2
favorite:27
lines:144
license : MIT License
modified : 2010-03-15 00:28:11

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// 360度パノラマ写真を変換するツールです
// bloggie http://www.amazon.co.jp/exec/obidos/ASIN/B003479I0Y/nitoyoncom-22/
// 用に作ってますが、他のカメラやレンズにも対応できると思います。
//----
// This tool convert 360 degree photo. 
// Click LOAD to convert your original 360 degree photo.
// Click PREVIEW to preview the result.
// Click SAVE to save the result to your computer.
package{
import flash.display.*;
import flash.text.*;
import flash.events.*;
import flash.system.LoaderContext;
import flash.net.*;
import mx.graphics.codec.JPEGEncoder;
import com.bit101.components.*;

public class Test extends Sprite{
    private const SIZE:Number = 450;

public function Test() {
        // load image
        var loader:Loader = new Loader();
        var context:LoaderContext = new LoaderContext(true);
        loader.load(new URLRequest("http://assets.wonderfl.net/images/related_images/b/bc/bc7b/bc7b2486d569ce97bd1218d3934743214c0c2c99"), context);
        loader.contentLoaderInfo.addEventListener("complete", loadCompleteHandler);

// start text
        var t:TextField = new TextField();
        t.text = "LOADING...";
        addChild(t);
    }

private function loadCompleteHandler(event:Event):void {
        var loaderInfo:LoaderInfo = LoaderInfo(event.target);
        var bmd:BitmapData = new BitmapData(loaderInfo.width, loaderInfo.height);
        bmd.draw(loaderInfo.loader);
        show(bmd);
    }

private function show(bmd:BitmapData):void {
		// remove all
		while (numChildren) { removeChildAt(0); }

// get size information
        var w:Number = bmd.width;
        var h:Number = bmd.height;
		var scale:Number = Math.min(SIZE / w, (SIZE - 100) / h);

var previewOrig:Sprite = addChild(new Sprite()) as Sprite;
		var previewRes:Sprite = addChild(new Sprite()) as Sprite;

var bmp:Bitmap = new Bitmap(bmd);
		previewOrig.addChild(bmp);
		bmp.scaleX = bmp.scaleY = scale;

var overlay:Sprite = new Sprite();
		overlay.scaleX = overlay.scaleY = scale;
		previewOrig.addChild(overlay);

var centerX:Number = w / 2 - 11;
		var centerY:Number = h / 2;
		var r1:Number = Math.min(96, h / 2);
		var r2:Number = Math.min(343, h / 2);
		var yy:int = h * scale;

var xSlider:HUISlider = new HUISlider(previewOrig, 0, yy += 16, "Center X", function(event:Event):void {
			centerX = w / 2 + xSlider.value;
			drawOverlay();
		});
		xSlider.width = SIZE;
		xSlider.minimum = -w / 2;
		xSlider.maximum = w / 2;
		xSlider.value = centerX - w / 2;

var ySlider:HUISlider = new HUISlider(previewOrig, 0, yy += 16, "Center Y", function(event:Event):void {
			centerY = h / 2 + ySlider.value;
			drawOverlay();
		});
		ySlider.width = SIZE;
		ySlider.minimum = -h / 2;
		ySlider.maximum = h / 2;
		ySlider.value = centerY - h / 2;

var r1Slider:HUISlider = new HUISlider(previewOrig, 0, yy += 16, "R1", function(event:Event):void {
			r1 = r1Slider.value;
			drawOverlay();
		});
		r1Slider.width = SIZE;
		r1Slider.minimum = 0;
		r1Slider.maximum = h / 2;
		r1Slider.value = r1;

var r2Slider:HUISlider = new HUISlider(previewOrig, 0, yy += 16, "R2", function(event:Event):void {
			r2 = r2Slider.value;
			drawOverlay();
		});
		r2Slider.width = SIZE;
		r2Slider.minimum = 0;
		r2Slider.maximum = h / 2;
		r2Slider.value = r2;

var loadButton:PushButton = new PushButton(this, 0, yy += 16, "LOAD", function(event:Event):void {
			var file:FileReference = new FileReference();
			file.addEventListener(Event.SELECT, function(e:Event):void {
				file.addEventListener(Event.COMPLETE, function(event:Event):void {
					var loader:Loader = new Loader();
			        loader.contentLoaderInfo.addEventListener("complete", loadCompleteHandler);
					loader.loadBytes(file.data);
				});
				file.load();
			});
			file.browse();
		});

var previewButton:PushButton = new PushButton(this, 110, yy, "PREVIEW", function(event:Event):void {
			if (previewRes.numChildren == 0) {
				var resultBmd:BitmapData = convert(bmd, r1, r2, centerX, centerY);

previewRes.scaleX = previewRes.scaleY = previewOrig.height / resultBmd.height;
				previewRes.addChild(new Bitmap(resultBmd));
				previewRes.addChild(new Bitmap(resultBmd)).x = -resultBmd.width;
				previewRes.addEventListener("enterFrame", function(event:Event):void {
					if (previewRes.numChildren == 0 || previewRes.parent == null) {
						previewRes.removeEventListener("enterFrame", arguments.callee);
						return;
					}

previewRes.x -= (stage.mouseX - SIZE / 2) / 10 - previewRes.width;
					previewRes.x %= previewRes.width / 2;
				});

previewButton.label = "CLOSE PREVIEW";
			} else {
				while (previewRes.numChildren) previewRes.removeChildAt(0);
				previewButton.label = "PREVIEW";
			}
		});

var saveButton:PushButton = new PushButton(this, 220, yy, "SAVE", function(event:Event):void {
			var resultBmd:BitmapData = convert(bmd, r1, r2, centerX, centerY);
			var enc:JPEGEncoder = new JPEGEncoder(90);
			new FileReference().save(enc.encode(resultBmd), "out.jpg");
		});

drawOverlay();

function drawOverlay():void {
			overlay.graphics.clear();
			overlay.graphics.lineStyle(0, 0xff0000);
			overlay.graphics.moveTo(centerX - 10, centerY - 10);
			overlay.graphics.lineTo(centerX + 10, centerY + 10);
			overlay.graphics.moveTo(centerX - 10, centerY + 10);
			overlay.graphics.lineTo(centerX + 10, centerY - 10);
			overlay.graphics.drawCircle(centerX, centerY, r1);
			overlay.graphics.drawCircle(centerX, centerY, r2);
		}
	}

private function convert(bmd:BitmapData, r1:Number, r2:Number, centerX:Number, centerY:Number):BitmapData {
        // get size information
        var w:Number = bmd.width;
        var h:Number = bmd.height;

// init convert target BitmapData
        var H:Number = r2 - r1;
        var W:Number = r2 * Math.PI;
        var bmd2:BitmapData = new BitmapData(W, H, false, 0xff808080);

// convert to polar coordinates
        for (var i:int = 0; i < W; i++){
            var rad:Number = 2 * Math.PI / W * -i;
            var cos:Number = Math.cos(rad);
            var sin:Number = Math.sin(rad);

for (var j:int = 0; j <= H; j++){
                var xx:int = centerX + (j + r1) * cos;
                var yy:int = centerY + (j + r1) * sin;
                bmd2.setPixel(i, j, bmd.getPixel(xx, yy));
            }
        }
		return bmd2;
    }
}
}

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