package com.hjx.personalcenter.View;


import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.RectF;
import android.support.v7.widget.AppCompatImageView;
import android.util.AttributeSet;

import com.hjx.personalcenter.activity.MyApplication;


/**
 *
 * @author skg
 */
public class RoundImageView60dip extends AppCompatImageView {

    public RoundImageView60dip(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public RoundImageView60dip(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init();
    }

    public RoundImageView60dip(Context context) {
        super(context);
        init();
    }

    private final RectF roundRect = new RectF();
    private float rect_adius = dip2px(60);
    private final Paint maskPaint = new Paint();
    private final Paint zonePaint = new Paint();

    private void init() {
        maskPaint.setAntiAlias(true);
        maskPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
        //
        zonePaint.setAntiAlias(true);
        zonePaint.setColor(Color.WHITE);
        //
        /*float density = getResources().getDisplayMetrics().density;
		rect_adius = rect_adius * density;*/
    }

    public void setRectAdius(float adius) {
        rect_adius = adius;
        invalidate();
    }

    @Override
    protected void onLayout(boolean changed, int left, int top, int right,
                            int bottom) {
        super.onLayout(changed, left, top, right, bottom);
        int w = getWidth();
        int h = getHeight();
        roundRect.set(0, 0, w, h);
    }

    @Override
    public void draw(Canvas canvas) {
        canvas.saveLayer(roundRect, zonePaint, Canvas.ALL_SAVE_FLAG);
        canvas.drawRoundRect(roundRect, rect_adius, rect_adius, zonePaint);
        //
        canvas.saveLayer(roundRect, maskPaint, Canvas.ALL_SAVE_FLAG);
        super.draw(canvas);
        canvas.restore();
    }
    
    /**
     * �����ֻ��ķֱ��ʴ� dp �ĵ�λ ת��Ϊ px(����)
     */
    public static int dip2px(float dpValue) {
        final float scale = MyApplication.getInstance().getResources()
                .getDisplayMetrics().density;
        return (int) (dpValue * scale + 0.5f);
    }

}