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package com.davemorrissey.labs.subscaleview.test.extension.views;
import android.content.Context;
import android.graphics.*;
import android.graphics.Paint.Cap;
import android.graphics.Paint.Style;
import android.util.AttributeSet;
import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView;
public class CircleView extends SubsamplingScaleImageView {
private int strokeWidth;
private final PointF sCenter = new PointF();
private final PointF vCenter = new PointF();
private final Paint paint = new Paint();
public CircleView(Context context) {
this(context, null);
}
public CircleView(Context context, AttributeSet attr) {
super(context, attr);
initialise();
}
private void initialise() {
float density = getResources().getDisplayMetrics().densityDpi;
strokeWidth = (int)(density/60f);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
// Don't draw pin before image is ready so it doesn't move around during setup.
if (!isReady()) {
return;
}
sCenter.set(getSWidth()/2, getSHeight()/2);
sourceToViewCoord(sCenter, vCenter);
float radius = (getScale() * getSWidth()) * 0.25f;
paint.setAntiAlias(true);
paint.setStyle(Style.STROKE);
paint.setStrokeCap(Cap.ROUND);
paint.setStrokeWidth(strokeWidth * 2);
paint.setColor(Color.BLACK);
canvas.drawCircle(vCenter.x, vCenter.y, radius, paint);
paint.setStrokeWidth(strokeWidth);
paint.setColor(Color.argb(255, 51, 181, 229));
canvas.drawCircle(vCenter.x, vCenter.y, radius, paint);
}
}
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