MapClusterOptionsProvider.java 文件源码

public MapClusterOptionsProvider(Resources resources) {
    int poiSize = resources.getDimensionPixelSize(R.dimen.map_poi_size);

    Drawable d = ResourcesCompat.getDrawable(resources, R.drawable.ic_wrapper_poi_cluster, null);
    d.setBounds(0, 0, poiSize, poiSize);
    Bitmap bitmap = Bitmap.createBitmap(poiSize, poiSize, Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    d.draw(canvas);
    baseBitmap = bitmap;

    littleFontPaint.setColor(Color.BLACK);
    littleFontPaint.setTextAlign(Align.CENTER);
    littleFontPaint.setFakeBoldText(true);
    littleFontPaint.setTextSize(resources.getDimension(R.dimen.map_marker_cluster_text_size_small));
    bigFontPaint.setColor(Color.BLACK);
    bigFontPaint.setTextAlign(Align.CENTER);
    bigFontPaint.setFakeBoldText(true);
    bigFontPaint.setTextSize(resources.getDimension(R.dimen.map_marker_cluster_text_size_big));
}