public Point getPoint(GeoPoint geoPoint) {
double x = MITMapView.computeGoogleX(geoPoint.getLongitudeE6(), mZoom);
double y = MITMapView.computeGoogleY(geoPoint.getLatitudeE6(), mZoom);
int pixelX = (int) Math.round((x - mLeftCol) * MITMapView.IMAGE_TILE_SIZE) - mLeftOffset;
int pixelY = (int) Math.round((y - mTopRow) * MITMapView.IMAGE_TILE_SIZE) - mTopOffset;
return new Point(pixelX, pixelY);
}
public MapCanvasDrawer(int width, int height, GeoPoint geoPoint, int zoom) {
initCanvasBitmap(width, height);
mZoom = zoom;
double centerY = MITMapView.computeGoogleY(geoPoint.getLatitudeE6(), mZoom);
double centerX = MITMapView.computeGoogleX(geoPoint.getLongitudeE6(), mZoom);
initTileCoordinates(centerX, centerY, width, height);
}
public MapCanvasDrawer(int width, int height, List<GeoPoint> geoPoints, Integer zoom) {
initCanvasBitmap(width, height);
GeoRect geoRect = new GeoRect(geoPoints);
// note maxLat corresponds to minY likewise minLat corresponds to maxY
double minY = MITMapView.computeGoogleY(geoRect.getMaxLatitudeE6(), 0);
double maxY = MITMapView.computeGoogleY(geoRect.getMinLatitudeE6(), 0);
double maxX = MITMapView.computeGoogleX(geoRect.getMaxLongitudeE6(), 0);
double minX = MITMapView.computeGoogleX(geoRect.getMinLongitudeE6(), 0);
if (zoom != null) {
mZoom = zoom;
} else {
mZoom = Math.min(zoomLevel(height, maxY - minY), zoomLevel(width, maxX - minX));
mZoom = Math.min(mZoom, MAX_ZOOM);
}
double centerY = 0.5 * (maxY + minY) * Math.pow(2, mZoom);
double centerX = 0.5 * (maxX + minX) * Math.pow(2, mZoom);
initTileCoordinates(centerX, centerY, width, height);
}
