public FakeMapView(MapView parent, double scale) {
super(
null, null,
null); // TODO MapView constructor contains registering listeners and other code, that
// probably shouldn't be called in fake map view
this.parent = parent;
this.scale = scale;
ProjectionBounds parent_bounds = parent.getProjectionBounds();
max_east_west = parent_bounds.maxEast - parent_bounds.minEast;
}
public void setProjectionBounds(ProjectionBounds bounds) {
view_bounds = bounds;
if (bounds.maxEast - bounds.minEast > max_east_west) {
max_east_west = bounds.maxEast - bounds.minEast;
/* We need to set the parent MapView's bounds (i.e.
* zoom level) to the same as ours max possible
* bounds to avoid WMSLayer thinking we're zoomed
* out more than we are or it'll pop up an annoying
* "requested area is too large" popup.
*/
EastNorth parent_center = parent.getCenter();
parent.zoomTo(
new ProjectionBounds(
new EastNorth(parent_center.east() - max_east_west / 2, parent_center.north()),
new EastNorth(parent_center.east() + max_east_west / 2, parent_center.north())));
/* Request again because NavigatableContent adds
* a border just to be sure.
*/
ProjectionBounds new_bounds = parent.getProjectionBounds();
max_east_west = new_bounds.maxEast - new_bounds.minEast;
}
Point vmin = getPoint(bounds.getMin());
Point vmax = getPoint(bounds.getMax());
int w = vmax.x + 1;
int h = vmin.y + 1;
if (w <= ground_width && h <= ground_height) {
graphics.setClip(0, 0, w, h);
return;
}
if (w > ground_width) ground_width = w;
if (h > ground_height) ground_height = h;
ground_image = new BufferedImage(ground_width, ground_height, BufferedImage.TYPE_INT_RGB);
graphics = ground_image.createGraphics();
graphics.setClip(0, 0, w, h);
}