Android Open Source - Avatar Clip View

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.syw.avatar.widget;
/*from w  w w .  j  a  va2s.c om*/
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.View;

/**
 * ?????
 * 
 * @author king
 * @time 2014-6-18 ????3:53:00
 */
public class ClipView extends View {
  
  /**
   * ??????????????????????
   */
  public static final int BORDERDISTANCE = 50;
  
  private Paint mPaint;
  
  public ClipView(Context context) {
    this(context, null);
  }

  public ClipView(Context context, AttributeSet attrs) {
    this(context, attrs, 0);
  }

  public ClipView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    mPaint = new Paint();
  }

  @Override
  protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    int width = this.getWidth();
    int height = this.getHeight();

    // ?????????????????50px
    int borderlength = width - BORDERDISTANCE *2;
        
    mPaint.setColor(0xaa000000);

    // ???????????
    // top
    canvas.drawRect(0, 0, width, (height - borderlength) / 2, mPaint);
    // bottom
    canvas.drawRect(0, (height + borderlength) / 2, width, height, mPaint);
    // left
    canvas.drawRect(0, (height - borderlength) / 2, BORDERDISTANCE,
        (height + borderlength) / 2, mPaint);
    // right
    canvas.drawRect(borderlength + BORDERDISTANCE, (height - borderlength) / 2, width,
        (height + borderlength) / 2, mPaint);
    
    // ???????
    mPaint.setColor(Color.WHITE);
    mPaint.setStrokeWidth(2.0f);
    // top
    canvas.drawLine(BORDERDISTANCE, (height - borderlength) / 2, width - BORDERDISTANCE, (height - borderlength) / 2, mPaint);
    // bottom
    canvas.drawLine(BORDERDISTANCE, (height + borderlength) / 2, width - BORDERDISTANCE, (height + borderlength) / 2, mPaint);
    // left
    canvas.drawLine(BORDERDISTANCE, (height - borderlength) / 2, BORDERDISTANCE, (height + borderlength) / 2, mPaint);
    // right
    canvas.drawLine(width - BORDERDISTANCE, (height - borderlength) / 2, width - BORDERDISTANCE, (height + borderlength) / 2, mPaint);
  }

}

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