/**
* Copyright lizhi ( http://wonderfl.net/user/lizhi )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/2pOM
*/
package
{
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Sprite;
import flash.display.StageQuality;
import flash.geom.Rectangle;
import flash.text.TextField;
import flash.text.TextFormat;
/**
* ...
* @author lizhi http://matrix3d.github.io/
*/
public class OpenCVThin extends Sprite
{
public function OpenCVThin()
{
stage.quality = StageQuality.LOW;
var tf:TextField = new TextField;
var tfm:TextFormat = new TextFormat;
tfm.size = 50;
tfm.bold = true;
tf.defaultTextFormat = tfm;
tf.autoSize = "left";
tf.text = "OpenCV Thin flash";
var src:BitmapData = new BitmapData(tf.width, tf.height, true, 0);
src.draw(tf);
var dst:BitmapData = src.clone();
addChild(new Bitmap(src));
cvThin(src, dst, 5);
var dsti:Bitmap = new Bitmap(dst);
addChild(dsti);
dsti.y = src.height;
}
public function cvThin(src:BitmapData, dst:BitmapData, iterations:int=1):void
{
var size:Rectangle = src.rect;
dst.setVector(dst.rect, src.getVector(src.rect));////cvCopy(src, dst);
for(var n:int=0; n<iterations; n++)
{
var t_image:BitmapData = dst.clone();//cvCloneImage(dst);
for(var i:int=0; i<size.height; i++)
{
for(var j:int=0; j<size.width; j++)
{
//if(CV_IMAGE_ELEM(t_image,byte,i,j)==1)
if(t_image.getPixel32(j,i)>0)
{
var ap:int=0;
var p2:int = (i == 0)?0:Math.min(1,t_image.getPixel32(j,i-1));//CV_IMAGE_ELEM(t_image,byte, i-1, j);
var p3:int = (i == 0 || j == size.width - 1)?0:Math.min(1,t_image.getPixel32(j+1,i - 1));////CV_IMAGE_ELEM(t_image,byte, i-1, j+1);
if (p2==0 && p3==1)
{
ap++;
}
var p4:int = (j == size.width - 1)?0:Math.min(1,t_image.getPixel32(j + 1,i));////CV_IMAGE_ELEM(t_image,byte,i,j+1);
if(p3==0 && p4==1)
{
ap++;
}
var p5:int = (i == size.height - 1 || j == size.width - 1)?0:Math.min(1,t_image.getPixel32(j + 1, i + 1));////CV_IMAGE_ELEM(t_image,byte,i+1,j+1);
if(p4==0 && p5==1)
{
ap++;
}
var p6:int = (i == size.height - 1)?0:Math.min(1,t_image.getPixel32(j,i + 1));////CV_IMAGE_ELEM(t_image,byte,i+1,j);
if(p5==0 && p6==1)
{
ap++;
}
var p7:int = (i == size.height - 1 || j == 0)?0:Math.min(1,t_image.getPixel32(j - 1,i + 1));////CV_IMAGE_ELEM(t_image,byte,i+1,j-1);
if(p6==0 && p7==1)
{
ap++;
}
var p8:int = (j == 0)?0:Math.min(1,t_image.getPixel32(j - 1,i));////CV_IMAGE_ELEM(t_image,byte,i,j-1);
if(p7==0 && p8==1)
{
ap++;
}
var p9:int = (i == 0 || j == 0)?0:Math.min(1,t_image.getPixel32(j - 1, i - 1));////CV_IMAGE_ELEM(t_image,byte,i-1,j-1);
if(p8==0 && p9==1)
{
ap++;
}
if(p9==0 && p2==1)
{
ap++;
}
if((p2+p3+p4+p5+p6+p7+p8+p9)>1 && (p2+p3+p4+p5+p6+p7+p8+p9)<7)
{
if(ap==1)
{
if(p2*p4*p6==0)
{
if(p4*p6*p8==0)
{
dst.setPixel32(j, i, 0);
//CV_IMAGE_ELEM(dst,byte,i,j)=0;
}
}
}
}
}
}
}
//cvReleaseImage(&t_image);
t_image = dst.clone();//cvCloneImage(dst);
for(i=0; i<size.height; i++)
{
for(j=0; j<size.width; j++)
{
//if(CV_IMAGE_ELEM(t_image,byte,i,j)==1)
if(t_image.getPixel32(j,i)>0)
{
ap=0;
p2 = (i==0)?0:Math.min(1,t_image.getPixel32(j,i-1));//CV_IMAGE_ELEM(t_image,byte, i-1, j);
p3 = (i == 0 || j == size.width - 1)?0:Math.min(1,t_image.getPixel32(j+1,i-1));//CV_IMAGE_ELEM(t_image,byte, i-1, j+1);
if (p2==0 && p3==1)
{
ap++;
}
p4 = (j==size.width-1)?0:Math.min(1,t_image.getPixel32(j+1,i));//CV_IMAGE_ELEM(t_image,byte,i,j+1);
if(p3==0 && p4==1)
{
ap++;
}
p5 = (i==size.height-1 || j==size.width-1)?0:Math.min(1,t_image.getPixel32(j+1, i+1));//CV_IMAGE_ELEM(t_image,byte,i+1,j+1);
if(p4==0 && p5==1)
{
ap++;
}
p6 = (i==size.height-1)?0:Math.min(1,t_image.getPixel32(j,i+1));//CV_IMAGE_ELEM(t_image,byte,i+1,j);
if(p5==0 && p6==1)
{
ap++;
}
p7 = (i==size.height-1 || j==0)?0:Math.min(1,t_image.getPixel32(j-1,i+1));//CV_IMAGE_ELEM(t_image,byte,i+1,j-1);
if(p6==0 && p7==1)
{
ap++;
}
p8 = (j==0)?0:Math.min(1,t_image.getPixel32(j-1,i));//CV_IMAGE_ELEM(t_image,byte,i,j-1);
if(p7==0 && p8==1)
{
ap++;
}
p9 = (i==0 || j==0)?0:Math.min(1,t_image.getPixel32(j-1, i-1));//CV_IMAGE_ELEM(t_image,byte,i-1,j-1);
if(p8==0 && p9==1)
{
ap++;
}
if(p9==0 && p2==1)
{
ap++;
}
if((p2+p3+p4+p5+p6+p7+p8+p9)>1 && (p2+p3+p4+p5+p6+p7+p8+p9)<7)
{
if(ap==1)
{
if(p2*p4*p8==0)
{
if(p2*p6*p8==0)
{
dst.setPixel32(j, i, 0);
//CV_IMAGE_ELEM(dst, byte,i,j)=0;
}
}
}
}
}
}
}
//cvReleaseImage(&t_image);
}
}
}
}
