Android Open Source - clusterkraf Toasted Marker Options Chooser

• Back to Map/API  ↑

From Project

Back to project page clusterkraf.

License

The source code is released under:

Apache License

Java Source Code

package com.twotoasters.clusterkraf.sample;
/*from www .  jav  a2 s  . c o  m*/
import java.lang.ref.WeakReference;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.os.Build;

import com.google.android.gms.maps.model.BitmapDescriptor;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.MarkerOptions;
import com.twotoasters.clusterkraf.ClusterPoint;
import com.twotoasters.clusterkraf.InputPoint;
import com.twotoasters.clusterkraf.MarkerOptionsChooser;

public class ToastedMarkerOptionsChooser extends MarkerOptionsChooser {

  private final WeakReference<Context> contextRef;
  private final InputPoint twoToasters;
  private final Paint clusterPaintLarge;
  private final Paint clusterPaintMedium;
  private final Paint clusterPaintSmall;

  public ToastedMarkerOptionsChooser(Context context, InputPoint twoToasters) {
    this.contextRef = new WeakReference<Context>(context);
    this.twoToasters = twoToasters;

    Resources res = context.getResources();

    clusterPaintMedium = new Paint();
    clusterPaintMedium.setColor(Color.WHITE);
    clusterPaintMedium.setAlpha(255);
    clusterPaintMedium.setTextAlign(Paint.Align.CENTER);
    clusterPaintMedium.setTypeface(Typeface.create(Typeface.SANS_SERIF, Typeface.BOLD_ITALIC));
    clusterPaintMedium.setTextSize(res.getDimension(R.dimen.cluster_text_size_medium));

    clusterPaintSmall = new Paint(clusterPaintMedium);
    clusterPaintSmall.setTextSize(res.getDimension(R.dimen.cluster_text_size_small));

    clusterPaintLarge = new Paint(clusterPaintMedium);
    clusterPaintLarge.setTextSize(res.getDimension(R.dimen.cluster_text_size_large));
  }

  @Override
  public void choose(MarkerOptions markerOptions, ClusterPoint clusterPoint) {
    Context context = contextRef.get();
    if (context != null) {
      Resources res = context.getResources();
      boolean isCluster = clusterPoint.size() > 1;
      boolean hasTwoToasters = clusterPoint.containsInputPoint(twoToasters);
      BitmapDescriptor icon;
      String title;
      if (isCluster) {
        title = res.getQuantityString(R.plurals.count_points, clusterPoint.size(), clusterPoint.size());
        int clusterSize = clusterPoint.size();
        if (hasTwoToasters) {
          icon = BitmapDescriptorFactory.fromBitmap(getClusterBitmap(res, R.drawable.ic_map_pin_cluster_toaster, clusterSize));
          title = res.getString(R.string.including_two_toasters, title);
        } else {
          icon = BitmapDescriptorFactory.fromBitmap(getClusterBitmap(res, R.drawable.ic_map_pin_cluster, clusterSize));
          title = res.getQuantityString(R.plurals.count_points, clusterSize, clusterSize);
        }
      } else {
        MarkerData data = (MarkerData)clusterPoint.getPointAtOffset(0).getTag();
        if (hasTwoToasters) {
          icon = BitmapDescriptorFactory.fromResource(R.drawable.ic_map_pin_toaster);
          title = data.getLabel();
        } else {
          icon = BitmapDescriptorFactory.fromResource(R.drawable.ic_map_pin);
          title = res.getString(R.string.point_number_x, data.getLabel());
        }
      }
      markerOptions.icon(icon);
      markerOptions.title(title);
      markerOptions.anchor(0.5f, 1.0f);
    }
  }

  @SuppressLint("NewApi")
  private Bitmap getClusterBitmap(Resources res, int resourceId, int clusterSize) {
    BitmapFactory.Options options = new BitmapFactory.Options();

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
      options.inMutable = true;
    }
    Bitmap bitmap = BitmapFactory.decodeResource(res, resourceId, options);
    if (bitmap.isMutable() == false) {
      bitmap = bitmap.copy(Bitmap.Config.ARGB_8888, true);
    }

    Canvas canvas = new Canvas(bitmap);

    Paint paint = null;
    float originY;
    if (clusterSize < 100) {
      paint = clusterPaintLarge;
      originY = bitmap.getHeight() * 0.64f;
    } else if (clusterSize < 1000) {
      paint = clusterPaintMedium;
      originY = bitmap.getHeight() * 0.6f;
    } else {
      paint = clusterPaintSmall;
      originY = bitmap.getHeight() * 0.56f;
    }

    canvas.drawText(String.valueOf(clusterSize), bitmap.getWidth() * 0.5f, originY, paint);

    return bitmap;
  }
}

Java Source Code List

• Back to Map/API  ↑