package?view;

import?android.content.Context;
import?android.graphics.Canvas;
import?android.graphics.Color;
import?android.graphics.CornerPathEffect;
import?android.graphics.Paint;
import?android.graphics.Paint.Style;
import?android.graphics.Path;
import?android.util.AttributeSet;
import?android.widget.LinearLayout;

public?class?NewPagerView?extends?LinearLayout?{
	
	private?int?sanJiaoWidth;
	private?int?sanJiaoHight;
	private?Paint?paint;
	private?static?final?float?WIDTH_HIGHT=1/6F;
	private?Path?path;
	private?int?initTransX;
	private?int?transX;
	
	public?NewPagerView(Context?context)?{
		this(context,null);
	}

	public?NewPagerView(Context?context,?AttributeSet?attrs)?{
		super(context,?attrs);
		paint=new?Paint();
		paint.setAntiAlias(true);
		paint.setDither(true);
		
		paint.setColor(Color.RED);
		paint.setStyle(Style.FILL);
		paint.setPathEffect(new?CornerPathEffect(3));
	}
	@Override
	protected?void?dispatchDraw(Canvas?canvas)?{
		//?TODO?Auto-generated?method?stub
		canvas.save();
		canvas.translate(initTransX+transX,?sanJiaoHight+2);
		canvas.drawPath(path,?paint);
		System.out.println("initTransX="+initTransX);
		System.out.println("yanse="+paint.getColor());
		canvas.restore();
		super.dispatchDraw(canvas);
	}
	@Override
	protected?void?onSizeChanged(int?w,?int?h,?int?oldw,?int?oldh)?{
		//?TODO?Auto-generated?method?stub
		super.onSizeChanged(w,?h,?oldw,?oldh);
		
		sanJiaoWidth=(int)?(w/3*WIDTH_HIGHT);
		initTransX=w/3/2-sanJiaoWidth/2;
		System.out.println("initTransX="+initTransX);
		initTrans();
	}

	private?void?initTrans()?{
		//?TODO?Auto-generated?method?stub
		sanJiaoHight=2/5*sanJiaoWidth;
		path=new?Path();
		path.moveTo(0,?0);
		path.lineTo(sanJiaoWidth,?0);
		System.out.println("sanJiaoWidth="+sanJiaoWidth);
		path.lineTo(sanJiaoWidth/2,?-sanJiaoHight);
		path.close();
	}

	public?void?scroll(int?arg0,?float?arg1)?{
		//?TODO?Auto-generated?method?stub
		int?width=getWidth()/3;
		transX=(int)?(width*(arg0+arg1));
		System.out.println("transX="+transX);
		invalidate();
	}
	

}