SaveImage – 水玉製作所

画像（JPG,PNG）の書き出し機能を使ったことが無かったので、試してみた。

▼Wonderfl

◆as3corelibを使う
as3corelibにJPGとPNGをエンコードするクラスがあるので、それをFileReferenceでセーブすればOK。
as3corelibも十分に使いやすいけど、PNGEncoderはスタティックなのにJPGEncoderはそうじゃないとか、ちょっとだけ癖があるので、ついでにおまけ機能もつけてラッパークラスでスタティックで扱える（投げるだけ）にしてみた。

▼ActionScript AS3(FP9)

/*
画像（JPG,PNG）の書き出し機能を使ったことが無かったので、
試してみた。

参考
http://wonderfl.net/code/ebecbb8758c23fb97b8aceea2a96bef2ed7d80b0
*/

package
{
	import com.bit101.components.CheckBox;
	import com.bit101.components.HSlider;
	import com.bit101.components.Label;
	import com.bit101.components.Panel;
	import com.bit101.components.PushButton;
	
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.geom.Matrix;
	import flash.text.TextField;
	import flash.text.TextFormat;
	
	[SWF(backgroundColor="0x777777",width=465,height=465)]
	public class saveImage extends Sprite
	{
		private var _canvas:Sprite = new Sprite();
		private var _hSlider:HSlider;
		private var _is32BitColor:CheckBox;
		private var _isClearEdge:CheckBox;
		private var _isEven:CheckBox;
		private var _jpgLavel:Label;
		public function saveImage()
		{
			_canvas.graphics.beginGradientFill("radial",[0xFF0000,0x0000FF],[1,0],[0,0xFF],new Matrix())
			_canvas.graphics.drawRoundRect(0,0,stage.stageWidth-16,300,32);
			_canvas.graphics.endFill();
			_canvas.graphics.beginFill(0xFF0000,0.5);
			_canvas.graphics.drawCircle(465/4,50,40);
			_canvas.graphics.endFill();
			_canvas.graphics.beginFill(0x00FF00,0.5);
			_canvas.graphics.drawCircle(465/2,50,40);
			_canvas.graphics.endFill();
			_canvas.graphics.beginFill(0x0000FF,0.5);
			_canvas.graphics.drawCircle(465*3/4,50,40);
			_canvas.graphics.endFill();
			_canvas.x = 8;
			_canvas.y = 8;
			
			this.addChild(_canvas);
			var tf:TextField = new TextField();
			tf.defaultTextFormat = new TextFormat(null,36);
			tf.multiline = true;
			tf.wordWrap = true;
			tf.x = 8;
			tf.y = 8;
			tf.text = "下のボタンを押すと、JPGまたはPNG画像を書き出すことができます。";
			tf.width = _canvas.width-16;
			tf.height = _canvas.height-16;
			tf.type = "input";
			tf.border = true;
			_canvas.addChild(tf);
			
			var panelJPG:Panel = new Panel(this,100,320);
			panelJPG.width = 116;
			panelJPG.height = 82;
			_jpgLavel = new Label(panelJPG,8,4,"Quality:90");
			_hSlider = new HSlider(panelJPG,8,8+16,atJPGSlider);
			_hSlider.value = 90;
			new PushButton(panelJPG,8,8+16*3,"SAVE JPG",atJPGClick);
			
			var panelPNG:Panel = new Panel(this,265,320);
			panelPNG.width = 116;
			panelPNG.height = 82;
			_is32BitColor = new CheckBox(panelPNG,8,8,"32 Bit Color");
			_is32BitColor.selected = true;
			_isClearEdge = new CheckBox(panelPNG,8,8+16,"Clear Edge");
			_isEven = new CheckBox(panelPNG,8,8+16*2,"Even");
			new PushButton(panelPNG,8,8+16*3,"SAVE PNG",atPNGClick);
		}
		private function atPNGClick(event:MouseEvent):void{
			SaveImage.PNGfromDisplayObject(_canvas,_is32BitColor.selected,_isClearEdge.selected,_isEven.selected);
		}
		private function atJPGClick(event:MouseEvent):void{
			SaveImage.JPGfromDisplayObject(_canvas,Number(_jpgLavel.text.substr(8)));
		}
		private function atJPGSlider(event:Event):void{
			_jpgLavel.text = String("Quality:"+Math.round(event.target.value));
		}
	}
}

import com.adobe.images.JPGEncoder;
import com.adobe.images.PNGEncoder;

import flash.display.BitmapData;
import flash.display.DisplayObject;
import flash.geom.Matrix;
import flash.net.FileReference;
import flash.utils.ByteArray;

class SaveImage{
	public function SaveImage(){};
	/**
	 * PNG画像を書き出すためのメソッド
	 * @param displayObject
	 * @param is32BitColor//アルファチャンネル付きか否か
	 * @param isClearEdge//1pxの余白を付けるか否か
	 * @param isEven//画像の大きさ（縦横）を偶数にするか否か
	 * 
	 */	
	public static function PNGfromDisplayObject(displayObject:DisplayObject,is32BitColor:Boolean = true,isClearEdge:Boolean=false,isEven:Boolean=false):void{
		var width:int = displayObject.width+(isClearEdge?2:0);
		var height:int = displayObject.height+(isClearEdge?2:0);
		var txty:int = isClearEdge?1:0;
		if(isEven){
			width += width%2;
			height += height%2;
		}
		var bitmapData:BitmapData = new BitmapData(width,height,is32BitColor,0xFFFFFF);
		bitmapData.draw(displayObject,new Matrix(1,0,0,1,txty,txty));
		var byteArray:ByteArray = PNGEncoder.encode(bitmapData);
		var fileReference:FileReference = new FileReference();
		fileReference.save(byteArray,"image.png");
	}
	/**
	 * JPG画像を書き出すためのメソッド
	 * @param displayObject
	 * @param quality//画質0-100
	 * 
	 */	
	public static function JPGfromDisplayObject(displayObject:DisplayObject,quality:Number=50):void{
		var width:int = displayObject.width;
		var height:int = displayObject.height;
		var bitmapData:BitmapData = new BitmapData(width,height);
		bitmapData.draw(displayObject);
		var jPGEncoder:JPGEncoder = new JPGEncoder(quality);
		var byteArray:ByteArray = jPGEncoder.encode(bitmapData);
		var fileReference:FileReference = new FileReference();
		fileReference.save(byteArray,"image.jpg");
	}
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

画像（JPG,PNG）の書き出し機能を使ったことが無かったので、

試してみた。

参考

http://wonderfl.net/code/ebecbb8758c23fb97b8aceea2a96bef2ed7d80b0

package

{

import com.bit101.components.CheckBox;

import com.bit101.components.HSlider;

import com.bit101.components.Label;

import com.bit101.components.Panel;

import com.bit101.components.PushButton;

import flash.display.Sprite;

import flash.events.Event;

import flash.events.MouseEvent;

import flash.geom.Matrix;

import flash.text.TextField;

import flash.text.TextFormat;

[SWF(backgroundColor="0x777777",width=465,height=465)]

public class saveImage extends Sprite

{

private var _canvas:Sprite = new Sprite();

private var _hSlider:HSlider;

private var _is32BitColor:CheckBox;

private var _isClearEdge:CheckBox;

private var _isEven:CheckBox;

private var _jpgLavel:Label;

public function saveImage()

{

_canvas.graphics.beginGradientFill("radial",[0xFF0000,0x0000FF],[1,0],[0,0xFF],new Matrix())

_canvas.graphics.drawRoundRect(0,0,stage.stageWidth-16,300,32);

_canvas.graphics.endFill();

_canvas.graphics.beginFill(0xFF0000,0.5);

_canvas.graphics.drawCircle(465/4,50,40);

_canvas.graphics.endFill();

_canvas.graphics.beginFill(0x00FF00,0.5);

_canvas.graphics.drawCircle(465/2,50,40);

_canvas.graphics.endFill();

_canvas.graphics.beginFill(0x0000FF,0.5);

_canvas.graphics.drawCircle(465*3/4,50,40);

_canvas.graphics.endFill();

_canvas.x = 8;

_canvas.y = 8;

this.addChild(_canvas);

var tf:TextField = new TextField();

tf.defaultTextFormat = new TextFormat(null,36);

tf.multiline = true;

tf.wordWrap = true;

tf.x = 8;

tf.y = 8;

tf.text = "下のボタンを押すと、JPGまたはPNG画像を書き出すことができます。";

tf.width = _canvas.width-16;

tf.height = _canvas.height-16;

tf.type = "input";

tf.border = true;

_canvas.addChild(tf);

var panelJPG:Panel = new Panel(this,100,320);

panelJPG.width = 116;

panelJPG.height = 82;

_jpgLavel = new Label(panelJPG,8,4,"Quality:90");

_hSlider = new HSlider(panelJPG,8,8+16,atJPGSlider);

_hSlider.value = 90;

new PushButton(panelJPG,8,8+16*3,"SAVE JPG",atJPGClick);

var panelPNG:Panel = new Panel(this,265,320);

panelPNG.width = 116;

panelPNG.height = 82;

_is32BitColor = new CheckBox(panelPNG,8,8,"32 Bit Color");

_is32BitColor.selected = true;

_isClearEdge = new CheckBox(panelPNG,8,8+16,"Clear Edge");

_isEven = new CheckBox(panelPNG,8,8+16*2,"Even");

new PushButton(panelPNG,8,8+16*3,"SAVE PNG",atPNGClick);

}

private function atPNGClick(event:MouseEvent):void{

SaveImage.PNGfromDisplayObject(_canvas,_is32BitColor.selected,_isClearEdge.selected,_isEven.selected);

}

private function atJPGClick(event:MouseEvent):void{

SaveImage.JPGfromDisplayObject(_canvas,Number(_jpgLavel.text.substr(8)));

}

private function atJPGSlider(event:Event):void{

_jpgLavel.text = String("Quality:"+Math.round(event.target.value));

}

import com.adobe.images.JPGEncoder;

import com.adobe.images.PNGEncoder;

import flash.display.BitmapData;

import flash.display.DisplayObject;

import flash.geom.Matrix;

import flash.net.FileReference;

import flash.utils.ByteArray;

class SaveImage{

public function SaveImage(){};

/**

* PNG画像を書き出すためのメソッド

* @param displayObject

* @param is32BitColor//アルファチャンネル付きか否か

* @param isClearEdge//1pxの余白を付けるか否か

* @param isEven//画像の大きさ（縦横）を偶数にするか否か

public static function PNGfromDisplayObject(displayObject:DisplayObject,is32BitColor:Boolean = true,isClearEdge:Boolean=false,isEven:Boolean=false):void{

var width:int = displayObject.width+(isClearEdge?2:0);

var height:int = displayObject.height+(isClearEdge?2:0);

var txty:int = isClearEdge?1:0;

if(isEven){

width += width%2;

height += height%2;

}

var bitmapData:BitmapData = new BitmapData(width,height,is32BitColor,0xFFFFFF);

bitmapData.draw(displayObject,new Matrix(1,0,0,1,txty,txty));

var byteArray:ByteArray = PNGEncoder.encode(bitmapData);

var fileReference:FileReference = new FileReference();

fileReference.save(byteArray,"image.png");

}

/**

* JPG画像を書き出すためのメソッド

* @param displayObject

* @param quality//画質0-100

public static function JPGfromDisplayObject(displayObject:DisplayObject,quality:Number=50):void{

var width:int = displayObject.width;

var height:int = displayObject.height;

var bitmapData:BitmapData = new BitmapData(width,height);

bitmapData.draw(displayObject);

var jPGEncoder:JPGEncoder = new JPGEncoder(quality);

var byteArray:ByteArray = jPGEncoder.encode(bitmapData);

var fileReference:FileReference = new FileReference();

fileReference.save(byteArray,"image.jpg");

}

スマホのブラウザで即参加！

スマホのブラウザで即参加！

スマホのブラウザで即参加！

Related Posts

5005: バイトコードの最適化中に不明なエラーが発生しました。

PrspctvPrjctn

8/20(金)Flashとおやつのゼミやります

FlashDevelop用テンプレートファイルいくつか