forked from: Mikan
1. LOAD で適当な画像をロード。
2. みかんをドラッグで移動とか。Shift 押しながらで拡大縮小。
3. SAVE で保存。
// forked from Saqoosha's Mikan
// 1. LOAD で適当な画像をロード。
// 2. みかんをドラッグで移動とか。Shift 押しながらで拡大縮小。
// 3. SAVE で保存。
package {
import flash.display.Sprite;
import org.libspark.thread.EnterFrameThreadExecutor;
import org.libspark.thread.Thread;
[SWF(width=465, height=465, backgroundColor=0xffffff, frameRate=60)]
public class Mikan extends Sprite {
public function Mikan() {
Thread.initialize(new EnterFrameThreadExecutor());
new MainThread(this).start();
}
}
}
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.DisplayObject;
import flash.display.Graphics;
import flash.display.InteractiveObject;
import flash.display.Loader;
import flash.display.Shape;
import flash.display.SimpleButton;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Matrix;
import flash.geom.Point;
import flash.geom.Rectangle;
import flash.net.FileReference;
import flash.net.FileReferenceList;
import flash.net.URLRequest;
import flash.system.Security;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
import flash.text.TextFormat;
import flash.text.TextFormatAlign;
import flash.utils.ByteArray;
import org.libspark.thread.Thread;
class MainThread extends Thread {
public static const PROXY:String = "http://5ivestar.org/proxy/";
public static const CROSSDOMAIN:String = "http://5ivestar.org/proxy/crossdomain.xml";
private var _base:Sprite;
private var _loadButton:Button;
private var _saveButton:Button;
private var _mikan:MikanImage;
private var _original:Loader;
private var _guide:Guide;
public function MainThread(base:Sprite) {
this._base = base;
this._loadButton = this._base.addChild(new Button('LOAD', 60)) as Button;
this._loadButton.x = this._loadButton.y = 1;
this._saveButton = this._base.addChild(new Button('SAVE', 60)) as Button;
this._saveButton.x = 1;
this._saveButton.y = this._loadButton.height + 2;
this._guide = this._base.addChild(new Guide()) as Guide;
this._guide.x = this._guide.y = (465 - 256) >> 1;
Security.loadPolicyFile(CROSSDOMAIN);
}
protected override function run():void {
this._mikan = this._base.addChildAt(new MikanImage(), 0) as MikanImage;
event(this._mikan, Event.COMPLETE, this._mikanLoaded);
this._mikan.init();
}
private function _mikanLoaded(e:Event):void {
this._mikan.scaleX = this._mikan.scaleY = 256 * 0.4 / this._mikan.width;
this._mikan.x = this._guide.x + 128;
this._mikan.y = this._guide.y + this._mikan.height / 2 + 10;
this._event();
}
private function _event():void {
event(this._loadButton, MouseEvent.CLICK, this._loadImage);
event(this._saveButton, MouseEvent.CLICK, this._saveImage);
event(this._mikan, MouseEvent.MOUSE_DOWN, this._dragStart);
}
// load image
private function _loadImage(e:MouseEvent):void {
var file:FileReference = new FileReference();
event(file, Event.SELECT, this._loadFileSelected);
file.browse();
}
private function _loadFileSelected(e:Event):void {
var file:FileReference = FileReference(e.target);
event(file, Event.COMPLETE, this._fileLoaded);
file.load();
}
private function _fileLoaded(e:Event):void {
if (this._original) {
this._original.parent.removeChild(this._original);
this._original.unload();
}
this._original = this._base.addChildAt(new Loader(), 0) as Loader;
this._original.loadBytes(FileReference(e.target).data);
event(this._original.contentLoaderInfo, Event.COMPLETE, this._imageLoaded);
}
private function _imageLoaded(e:Event):void {
var a:Number = 256 / Math.max(this._original.width, this._original.height);
this._original.scaleX = this._original.scaleY = a;
this._original.x = this._guide.x + (256 - this._original.width) / 2;
this._original.y = this._guide.y + (256 - this._original.height) / 2;
Bitmap(this._original.content).smoothing = true;
this._event();
}
// manipulate mikan
private var _startScale:Number;
private var _startPoint:Point = new Point();
private function _dragStart(e:MouseEvent):void {
var sp:Sprite = Sprite(e.target);
if (e.shiftKey) {
this._startScale = sp.scaleX;
this._startPoint.x = this._base.mouseX;
this._startPoint.y = this._base.mouseY;
event(this._base.stage, MouseEvent.MOUSE_MOVE, this._scaleObject);
event(this._base.stage, MouseEvent.MOUSE_UP, this._scaleEnd);
} else {
sp.startDrag(false);
event(sp, MouseEvent.MOUSE_UP, this._dragEnd);
}
}
private function _scaleObject(e:MouseEvent):void {
var newScale:Number = this._startScale * (this._base.mouseX - this._mikan.x) / (this._startPoint.x - this._mikan.x);
this._mikan.scaleX = this._mikan.scaleY = newScale;
event(this._base.stage, MouseEvent.MOUSE_MOVE, this._scaleObject);
event(this._base.stage, MouseEvent.MOUSE_UP, this._scaleEnd);
}
private function _scaleEnd(e:MouseEvent):void {
this._event();
}
private function _dragEnd(e:MouseEvent):void {
Sprite(e.target).stopDrag();
this._event();
}
// save image
private function _saveImage(e:Event):void {
var raw:BitmapData = new BitmapData(256, 256, true, 0x0);
this._guide.visible = false;
raw.draw(this._base, new Matrix(1, 0, 0, 1, -this._guide.x, -this._guide.y), null, null, null, true);
this._guide.visible = true;
var png:ByteArray = PNGEnc.encode(raw);
raw.dispose();
var file:FileReference = new FileReference();
event(file, Event.SELECT, this._saveFileSelected);
file.save(png, 'mikaned.png');
}
private function _saveFileSelected(e:Event):void {
this._event();
}
}
class MikanImage extends Sprite {
private var _mikan:Loader;
public function MikanImage() {
this.buttonMode = true;
this.useHandCursor = true;
this.mouseChildren = false;
}
public function init():void {
this._mikan = this.addChild(new Loader()) as Loader;
this._mikan.contentLoaderInfo.addEventListener(Event.COMPLETE, this._mikanLoaded);
this._mikan.load(new URLRequest(MainThread.PROXY + 'http://level0.kayac.com/src/doke/mikan.png'));
}
private function _mikanLoaded(e:Event):void {
this._mikan.x = -this._mikan.width / 2;
this._mikan.y = -this._mikan.height / 2;
this.dispatchEvent(new Event(Event.COMPLETE));
}
}
class Button extends SimpleButton {
public function Button(label:String, width:int = 0):void {
var up:Sprite = _buildImage(label, 0x0, width);
var over:Sprite = _buildImage(label, 0x333333, width);
var down:Sprite = _buildImage(label, 0x333333, width);
down.y = 1;
super(up, over, down, up);
}
private static function _buildImage(label:String, color:int, width:int = 0):Sprite {
var text:TextField = new TextField();
text.defaultTextFormat = new TextFormat('Verdana', 10, 0xffffff, true, null, null, null, null, TextFormatAlign.CENTER);
text.autoSize = TextFieldAutoSize.LEFT
text.selectable = false;
text.text = label;
text.x = (width - text.width) >> 1;
text.y = 5;
var base:Shape = new Shape();
var g:Graphics = base.graphics;
g.beginFill(color);
g.drawRect(0, 0, width, text.height + 10);
g.endFill();
var sp:Sprite = new Sprite();
sp.addChild(base);
sp.addChild(text);
return sp;
}
}
class Guide extends Shape {
public function Guide() {
var g:Graphics = this.graphics;
g.lineStyle(1, 0x0, 0.3, true);
g.drawRect(0, 0, 255, 255);
}
}
// http://www.5etdemi.com/blog/archives/2006/12/as3-png-encoder-faster-better/
class PNGEnc {
public static function encode(img:BitmapData, type:uint = 0):ByteArray {
// Create output byte array
var png:ByteArray = new ByteArray();
// Write PNG signature
png.writeUnsignedInt(0x89504e47);
png.writeUnsignedInt(0x0D0A1A0A);
// Build IHDR chunk
var IHDR:ByteArray = new ByteArray();
IHDR.writeInt(img.width);
IHDR.writeInt(img.height);
if(img.transparent || type == 0)
{
IHDR.writeUnsignedInt(0x08060000); // 32bit RGBA
}
else
{
IHDR.writeUnsignedInt(0x08020000); //24bit RGB
}
IHDR.writeByte(0);
writeChunk(png,0x49484452,IHDR);
// Build IDAT chunk
var IDAT:ByteArray= new ByteArray();
switch(type)
{
case 0:
writeRaw(img, IDAT);
break;
case 1:
writeSub(img, IDAT);
break;
}
IDAT.compress();
writeChunk(png,0x49444154,IDAT);
// Build IEND chunk
writeChunk(png,0x49454E44,null);
// return PNG
return png;
}
private static function writeRaw(img:BitmapData, IDAT:ByteArray):void
{
var h:int = img.height;
var w:int = img.width;
var transparent:Boolean = img.transparent;
for(var i:int=0;i < h;i++) {
// no filter
if ( !transparent ) {
var subImage:ByteArray = img.getPixels(
new Rectangle(0, i, w, 1));
//Here we overwrite the alpha value of the first pixel
//to be the filter 0 flag
subImage[0] = 0;
IDAT.writeBytes(subImage);
//And we add a byte at the end to wrap the alpha values
IDAT.writeByte(0xff);
} else {
IDAT.writeByte(0);
var p:uint;
for(var j:int=0;j < w;j++) {
p = img.getPixel32(j,i);
IDAT.writeUnsignedInt(
uint(((p&0xFFFFFF) << 8)|
(p>>>24)));
}
}
}
}
private static function writeSub(img:BitmapData, IDAT:ByteArray):void
{
var r1:uint;
var g1:uint;
var b1:uint;
var a1:uint;
var r2:uint;
var g2:uint;
var b2:uint;
var a2:uint;
var r3:uint;
var g3:uint;
var b3:uint;
var a3:uint;
var p:uint;
var h:int = img.height;
var w:int = img.width;
for(var i:int=0;i < h;i++) {
// no filter
IDAT.writeByte(1);
if ( !img.transparent ) {
r1 = 0;
g1 = 0;
b1 = 0;
a1 = 0xff;
for(var j:int=0;j < w;j++) {
p = img.getPixel(j,i);
r2 = p >> 16 & 0xff;
g2 = p >> 8 & 0xff;
b2 = p & 0xff;
r3 = (r2 - r1 + 256) & 0xff;
g3 = (g2 - g1 + 256) & 0xff;
b3 = (b2 - b1 + 256) & 0xff;
IDAT.writeByte(r3);
IDAT.writeByte(g3);
IDAT.writeByte(b3);
r1 = r2;
g1 = g2;
b1 = b2;
a1 = 0;
}
} else {
r1 = 0;
g1 = 0;
b1 = 0;
a1 = 0;
for(j=0;j < w;j++) {
p = img.getPixel32(j,i);
a2 = p >> 24 & 0xff;
r2 = p >> 16 & 0xff;
g2 = p >> 8 & 0xff;
b2 = p & 0xff;
r3 = (r2 - r1 + 256) & 0xff;
g3 = (g2 - g1 + 256) & 0xff;
b3 = (b2 - b1 + 256) & 0xff;
a3 = (a2 - a1 + 256) & 0xff;
IDAT.writeByte(r3);
IDAT.writeByte(g3);
IDAT.writeByte(b3);
IDAT.writeByte(a3);
r1 = r2;
g1 = g2;
b1 = b2;
a1 = a2;
}
}
}
}
private static var crcTable:Array;
private static var crcTableComputed:Boolean = false;
private static function writeChunk(png:ByteArray,
type:uint, data:ByteArray):void {
var c:uint;
if (!crcTableComputed) {
crcTableComputed = true;
crcTable = [];
for (var n:uint = 0; n < 256; n++) {
c = n;
for (var k:uint = 0; k < 8; k++) {
if (c & 1) {
c = uint(uint(0xedb88320) ^
uint(c >>> 1));
} else {
c = uint(c >>> 1);
}
}
crcTable[n] = c;
}
}
var len:uint = 0;
if (data != null) {
len = data.length;
}
png.writeUnsignedInt(len);
var p:uint = png.position;
png.writeUnsignedInt(type);
if ( data != null ) {
png.writeBytes(data);
}
var e:uint = png.position;
png.position = p;
c = 0xffffffff;
for (var i:int = 0; i < (e-p); i++) {
c = uint(crcTable[
(c ^ png.readUnsignedByte()) &
0xff] ^ (c >>> 8));
}
c = uint(c^uint(0xffffffff));
png.position = e;
png.writeUnsignedInt(c);
}
}