package
{
import flash.display.Sprite;
import flash.display.BitmapData;
import flash.display.Bitmap;
import flash.events.Event;
import flash.media.SoundMixer;
import flash.geom.Point;
import flash.filters.BlurFilter;
import flash.filters.ColorMatrixFilter;
import flash.filters.DisplacementMapFilter;
import flash.utils.ByteArray;
import flash.geom.Matrix;
import flash.geom.ColorTransform;
import flash.display.GradientType;
import flash.display.BlendMode;
public class FiltersEffect extends Sprite
{
var bitmapData:BitmapData;
var cloneBD:BitmapData;
var bitmap:Bitmap;
var sprite:Sprite;
var byteArray:ByteArray;
var thisW:Number;
var thisH:Number;
var float:Number;
var matrix:Matrix;
var _matrix:Matrix;
private var h:Number = 0;
private var s:Number = 1;
private var v:Number = 1;
var i:int = 0;
public function FiltersEffect(w:Number=550,h:Number=400,isBack:Boolean=true)
{
thisW = w;
thisH = h;
init();
if (isBack)
{
this.blendMode = BlendMode.SCREEN;
}
}
function init():void
{
sprite=new Sprite();
byteArray=new ByteArray();
cloneBD = new BitmapData(thisW,thisH,false,0);
bitmapData = new BitmapData(thisW,thisH,false,0);
bitmap = addChild(new Bitmap(bitmapData)) as Bitmap;
this.addEventListener(Event.ENTER_FRAME, onEnterFrameHandler);
}
private function onEnterFrameHandler(event:Event):void
{
//h s v
var color:uint = HSVtoRGB(h,s,v);
h += 1;
bitmapData.lock();
drawSprite(false);
//applyDisplace(bitmapData);
//matrixEffect()
//matrixEffectA();
//matrixEffectB()
matrixEffectC()
// bitmapData.applyFilter(bitmapData,bitmapData.rect,new Point(),new ColorMatrixFilter([1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0.95,0]));
//bitmapData.applyFilter(bitmapData,bitmapData.rect, new Point(), new BlurFilter(8,8,2));
//bitmapData.applyFilter(bitmapData,bitmapData.rect,new Point(),new BlurFilter(6,5,9));
//bitmapData.draw(_sprite,null,null,"add");
bitmapData.unlock();
}
private function applyDisplace(bitmapData:BitmapData):void
{
cloneBD = bitmapData.clone();
var _bd:DisplacementMapFilter = new DisplacementMapFilter(cloneBD,new Point(0,0),1,2,10,10,"clamp");
bitmapData.applyFilter(cloneBD, bitmapData.rect, new Point(0,0), _bd);
bitmapData.applyFilter(bitmapData,bitmapData.rect, new Point(), new BlurFilter(8,8,2));
bitmapData.draw(sprite);
}
function matrixEffect():void
{
matrix = new Matrix(1,0,0,1,0,0);
bitmapData.draw(sprite,matrix);
bitmapData.applyFilter(bitmapData,bitmapData.rect,new Point(),new ColorMatrixFilter([1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0.80,0]));
bitmapData.applyFilter(bitmapData,bitmapData.rect, new Point(), new BlurFilter(2,2,0));
}
function matrixEffectA():void
{
matrix = new Matrix();
matrix.a = (thisW + thisW / 40) / thisW;
matrix.d = (thisH + thisH / 80) / thisH;
matrix.tx = - thisW / 80;
matrix.ty = - thisH / 240;
_matrix = new Matrix(1,0,0,1,(thisW - thisW * 0.7) / 2,(thisH - thisH * 0.7) / 2);
_matrix.scale(0.7, 0.7);
cloneBD = bitmapData.clone();
bitmapData.draw(cloneBD, matrix, new ColorTransform(0.91,0.92,0.95), null, null, true);
bitmapData.draw(sprite, _matrix, null, null, null, true);
bitmapData.applyFilter(bitmapData, bitmapData.rect, new Point(), new BlurFilter(0,0,1));
}
function matrixEffectB():void
{
matrix=new Matrix();
matrix.translate( - thisW/2, - thisH/2);
matrix.scale(1.14,1.01);
matrix.translate(thisW/2,thisH/2);
bitmapData.draw(bitmapData,matrix,new ColorTransform(0.92,0.92,0.92));
bitmapData.applyFilter(bitmapData,bitmapData.rect,new Point(),new ColorMatrixFilter([1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0]));
bitmapData.applyFilter(bitmapData, bitmapData.rect, new Point(), new BlurFilter(8, 8,2));
bitmapData.draw(sprite, null, null, "add");
}
function matrixEffectC():void
{
matrix=new Matrix();
matrix.translate( - thisW/2, - thisH/2);
matrix.scale(1.1,1.1);
matrix.translate(thisW/2,thisH/2);
bitmapData.draw(bitmapData,matrix,new ColorTransform(0.96,0.96,0.96));
bitmapData.applyFilter(bitmapData,bitmapData.rect,new Point(0,0),new BlurFilter(4,4,1));
bitmapData.draw(sprite);
}
function drawSprite(value:Boolean=true):void
{
SoundMixer.computeSpectrum(byteArray,value);
//float = byteArray.readFloat();
/*var colors:Array = new Array(0x00ff00,0x00ffff,0xffff00,0xff00ff);
var alphas:Array = new Array(1,1,1,1);
var ratios:Array = new Array(0,80,160,255);
var matrix:Matrix = new Matrix();
matrix.createGradientBox(thisW, thisH, 0, 0, 0);
sprite.graphics.beginGradientFill(GradientType.LINEAR, colors, alphas, ratios, matrix);
*/
sprite.graphics.clear();
sprite.graphics.lineStyle(0,0xff9900,1);
var n:Number = thisW / 256;
sprite.graphics.moveTo(0,thisH/2);
for (i=0; i <256; i++)
{
float = byteArray.readFloat() / 2;
if (i>0)
{
sprite.graphics.lineTo(i*n, thisH/2 - float*thisH/4);
}
}
sprite.graphics.lineStyle(0,0xff00ff,1);
sprite.graphics.moveTo(thisW, thisH/4*3);
for (i =256; i > 0; i--)
{
float = byteArray.readFloat() / 2;
sprite.graphics.lineTo(i*n,thisH/4*3 - float*thisH/4);
}
}
private function HSVtoRGB(h:Number, s:Number, v:Number):uint
{
var r:Number = 0,g:Number = 0,b:Number = 0;
var i:Number,x:Number,y:Number,z:Number;
if (s < 0)
{
s = 0;
}
if (s > 1)
{
s = 1;
}
if (v < 0)
{
v = 0;
}
if (v > 1)
{
v = 1;
}
h = h % 360;
if (h < 0)
{
h += 360;
}
h /= 60;
i = h >> 0;
x = v * (1 - s);
y = v * (1 - s * (h - i));
z = v * (1 - s * (1 - h + i));
switch (i)
{
case 0 :
r = v;
g = z;
b = x;
break;
case 1 :
r = y;
g = v;
b = x;
break;
case 2 :
r = x;
g = v;
b = z;
break;
case 3 :
r = x;
g = y;
b = v;
break;
case 4 :
r = z;
g = x;
b = v;
break;
case 5 :
r = v;
g = x;
b = y;
break;
}
var c:uint;
c = (r * 255 >> 0) << 16 | (g * 255 >> 0) << 8 | (b * 255 >> 0);
return c;
}
}
}
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