static public void calc_latlong2_area_from_center(map_area_class area, latlong_class center, double zoom)
{
map_pixel_class map_pixel_class = latlong_to_pixel2(area.lower_right, zoom);
map_pixel_class map_pixel_class2 = latlong_to_pixel2(center, zoom);
map_pixel_class map_pixel_class3 = latlong_to_pixel2(area.center, zoom);
map_pixel_class map_pixel_class4 = latlong_to_pixel2(area.upper_left, zoom);
map_pixel_class map_pixel_class5 = new map_pixel_class();
map_pixel_class5.x = map_pixel_class2.x - map_pixel_class.x;
map_pixel_class5.y = map_pixel_class2.y - map_pixel_class.y;
map_pixel_class3.x += map_pixel_class5.x;
map_pixel_class3.y += map_pixel_class5.y;
map_pixel_class4.x += map_pixel_class5.x;
map_pixel_class4.y += map_pixel_class5.y;
area.lower_right = center;
area.center = pixel_to_latlong2(map_pixel_class3, zoom);
area.upper_left = pixel_to_latlong2(map_pixel_class4, zoom);
}
public override void calc_latlong_area_from_center(map_area_class area, latlong_class center, double zoom, Vector2 resolution)
{
map_pixel_class map_pixel_class = this.latlong_to_pixel2(area.center, zoom);
map_pixel_class map_pixel_class2 = this.latlong_to_pixel2(center, zoom);
map_pixel_class map_pixel_class3 = this.latlong_to_pixel2(area.upper_left, zoom);
map_pixel_class map_pixel_class4 = this.latlong_to_pixel2(area.lower_right, zoom);
map_pixel_class map_pixel_class5 = new map_pixel_class();
map_pixel_class5.x = map_pixel_class2.x - map_pixel_class.x;
map_pixel_class5.y = map_pixel_class2.y - map_pixel_class.y;
map_pixel_class3.x += map_pixel_class5.x;
map_pixel_class3.y += map_pixel_class5.y;
map_pixel_class4.x = map_pixel_class3.x + (double)resolution.x;
map_pixel_class4.y = map_pixel_class3.y + (double)resolution.y;
area.upper_left = this.pixel_to_latlong2(map_pixel_class3, zoom);
area.lower_right = this.pixel_to_latlong2(map_pixel_class4, zoom);
area.center = center;
}
