package org.activityinfo.server.report.generator.map;
/*
* #%L
* ActivityInfo Server
* %%
* Copyright (C) 2009 - 2013 UNICEF
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/gpl-3.0.html>.
* #L%
*/
import org.activityinfo.legacy.shared.command.Filter;
import org.activityinfo.legacy.shared.reports.content.MapContent;
import org.activityinfo.legacy.shared.reports.util.mapping.Extents;
import org.activityinfo.server.command.DispatcherSync;
public interface LayerGenerator {
void query(DispatcherSync dispatcher, Filter effectiveFilter);
/**
* Calculates the geographic extents for this layer
*
* @param sites
* @return A geographic bounding box
*/
Extents calculateExtents();
/**
* Calculates the maximum potential margins (in pixels) outside of the
* geographic bounds.
*
* @return
*/
Margins calculateMargins();
void generate(TiledMap map, MapContent content);
}