Java tutorial
/* gvSIG. Sistema de Informacin Geogrfica de la Generalitat Valenciana * * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana. * * 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 2 * 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. * * For more information, contact: * * Generalitat Valenciana * Conselleria d'Infraestructures i Transport * Av. Blasco Ibez, 50 * 46010 VALENCIA * SPAIN * * +34 963862235 * gvsig@gva.es * www.gvsig.gva.es * * or * * IVER T.I. S.A * Salamanca 50 * 46005 Valencia * Spain * * +34 963163400 * dac@iver.es */ package org.gvsig.symbology.fmap.symbols; import java.awt.Graphics2D; import java.awt.Rectangle; import java.awt.geom.AffineTransform; import java.awt.geom.Point2D; import java.awt.geom.Rectangle2D; import javax.print.attribute.PrintRequestAttributeSet; import org.jfree.chart.plot.Plot; import org.jfree.chart.plot.PlotRenderingInfo; import org.jfree.chart.plot.PlotState; import com.iver.cit.gvsig.fmap.core.FPoint2D; import com.iver.cit.gvsig.fmap.core.FShape; import com.iver.cit.gvsig.fmap.core.symbols.AbstractMarkerSymbol; import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; import com.iver.cit.gvsig.fmap.core.symbols.SymbolDrawingException; import com.iver.utiles.swing.threads.Cancellable; public abstract class JFreeChartSymbol extends AbstractMarkerSymbol implements IChartSymbol { protected Plot renderPlot; protected Plot mapPlot; protected Plot outlinePlot; protected PlotState plotState; protected PlotRenderingInfo plotRenderingInfo; public ISymbol getSymbolForSelection() { return this; } public void draw(Graphics2D g, AffineTransform affineTransform, FShape shp, Cancellable cancel) { FPoint2D fp = (FPoint2D) shp; Point2D p = new Point2D.Double(fp.getX(), fp.getY()); if (renderPlot == null) { renderPlot = getMapPlot(); } double size = getSize(); double halfSize = size * 0.5; double minx = p.getX() - halfSize; double miny = p.getY() - halfSize; renderPlot.draw(g, new Rectangle2D.Double(minx, miny, size, size), p, plotState, plotRenderingInfo); } @Override public void drawInsideRectangle(Graphics2D g, AffineTransform scaleInstance, Rectangle r, PrintRequestAttributeSet properties) throws SymbolDrawingException { renderPlot = getOutlinePlot(); super.drawInsideRectangle(g, scaleInstance, r, properties); renderPlot = getMapPlot(); } protected abstract Plot getMapPlot(); protected abstract Plot getOutlinePlot(); }