package expandablepanel.jorgecastilloprz.com.expandablepanel.ui.components;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.widget.ImageView;

/**
 * Created by jorge on 5/15/14.
 */
public class CircledImageView extends ImageView {

    public CircledImageView(Context context) {
        super(context);
    }

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

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

    @Override
    protected void onDraw(Canvas canvas) {

        Drawable drawable = getDrawable();

        if (drawable == null) {
            return;
        }

        if (getWidth() == 0 || getHeight() == 0) {
            return;
        }
        Bitmap b =  ((BitmapDrawable)drawable).getBitmap() ;
        Bitmap bitmap = b.copy(Bitmap.Config.ARGB_8888, true);

        int w = getWidth(), h = getHeight();


        Bitmap roundBitmap =  getCroppedBitmap(bitmap, w);
        canvas.drawBitmap(roundBitmap, 0,0, null);

    }

    private static Bitmap getCroppedBitmap(Bitmap bmp, int radius) {

        Bitmap sbmp;

        if(bmp.getWidth() != radius || bmp.getHeight() != radius)
            sbmp = Bitmap.createScaledBitmap(bmp, radius, radius, false);
        else
            sbmp = bmp;

        Bitmap output = Bitmap.createBitmap(sbmp.getWidth(), sbmp.getHeight(), Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(output);

        final int color = 0xffa19774;
        final Paint paint = new Paint();
        final Rect rect = new Rect(0, 0, sbmp.getWidth(), sbmp.getHeight());

        paint.setAntiAlias(true);
        paint.setFilterBitmap(true);
//        paint.setDither(true);
        canvas.drawARGB(0, 0, 0, 0);

        canvas.drawCircle(sbmp.getWidth() / 2+0.7f, sbmp.getHeight() / 2+0.7f,
                sbmp.getWidth() / 2+0.1f, paint);
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
        canvas.drawBitmap(sbmp, rect, rect, paint);

        // draw internal border
        paint.setColor(Color.parseColor("#ffffff"));
        paint.setStyle(Paint.Style.STROKE);
        paint.setStrokeWidth((float) 30);
        canvas.drawCircle(sbmp.getWidth()/ 2 + 0.7f, sbmp.getHeight() / 2 + 0.7f, sbmp.getWidth() / 2+0.1f, paint);

        return output;
    }
}