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package com.davemorrissey.labs.subscaleview.test.extension.views;
import android.content.Context;
import android.graphics.*;
import android.util.AttributeSet;
import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView;
import com.davemorrissey.labs.subscaleview.test.R.drawable;
public class PinView extends SubsamplingScaleImageView {
private final Paint paint = new Paint();
private final PointF vPin = new PointF();
private PointF sPin;
private Bitmap pin;
public PinView(Context context) {
this(context, null);
}
public PinView(Context context, AttributeSet attr) {
super(context, attr);
initialise();
}
public void setPin(PointF sPin) {
this.sPin = sPin;
initialise();
invalidate();
}
private void initialise() {
float density = getResources().getDisplayMetrics().densityDpi;
pin = BitmapFactory.decodeResource(this.getResources(), drawable.pushpin_blue);
float w = (density/420f) * pin.getWidth();
float h = (density/420f) * pin.getHeight();
pin = Bitmap.createScaledBitmap(pin, (int)w, (int)h, true);
}
@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;
}
paint.setAntiAlias(true);
if (sPin != null && pin != null) {
sourceToViewCoord(sPin, vPin);
float vX = vPin.x - (pin.getWidth()/2);
float vY = vPin.y - pin.getHeight();
canvas.drawBitmap(pin, vX, vY, paint);
}
}
}
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