svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.symbology / org.gvsig.symbology.lib / org.gvsig.symbology.lib.impl / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / symbol / marker / impl / PictureMarkerSymbol.java @ 45517
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.symbology.fmap.mapcontext.rendering.symbol.marker.impl; |
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import java.awt.Graphics2D; |
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import java.awt.Rectangle; |
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import java.awt.geom.AffineTransform; |
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import java.io.IOException; |
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import java.net.URL; |
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import org.gvsig.compat.print.PrintAttributes; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.mapcontext.MapContext; |
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import org.gvsig.fmap.mapcontext.MapContextLocator; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolDrawingException; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolManager; |
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import org.gvsig.i18n.Messages; |
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import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.marker.IPictureMarkerSymbol; |
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import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.style.BackgroundFileStyle; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dynobject.DynStruct; |
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import org.gvsig.tools.persistence.PersistenceManager; |
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import org.gvsig.tools.persistence.PersistentState; |
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import org.gvsig.tools.persistence.exception.PersistenceException; |
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import org.gvsig.tools.task.Cancellable; |
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import org.gvsig.tools.util.Callable; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* PictureMarkerSymbol allows to use an image file as a definition to be painted
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* instead of a marker symbol.
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*/
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@SuppressWarnings("UseSpecificCatch") |
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public class PictureMarkerSymbol extends AbstractMarkerSymbol implements IPictureMarkerSymbol { |
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private final Logger LOG = LoggerFactory.getLogger(PictureMarkerSymbol.class); |
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public static final String PICTURE_MARKER_SYMBOL_PERSISTENCE_DEFINITION_NAME |
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= "PictureMarkerSymbol";
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private static final String SELECTED = "selected"; |
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private static final String SELECTION_SYMBOL = "selectionSym"; |
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private static final String BACKGROUND_IMAGE = "bgImage"; |
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private static final String BACKGROUND_SELECTION_IMAGE = "bgSelImage"; |
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// private static final float SELECTION_OPACITY_FACTOR = .3F;
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private boolean selected; |
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private PictureMarkerSymbol selectionSym;
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private BackgroundFileStyle bgImage;
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private BackgroundFileStyle bgSelImage;
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public PictureMarkerSymbol() {
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super();
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setSize(18);
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} |
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/**
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* Constructor method
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*
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* @param imageURL , URL of the normal image
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* @param selImageURL , URL of the image when it is selected in the map
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* @throws IOException
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*/
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public PictureMarkerSymbol(URL imageURL, URL selImageURL) throws IOException { |
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setImage(imageURL); |
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if (selImageURL != null) { |
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setSelImage(selImageURL); |
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} else {
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setSelImage(imageURL); |
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} |
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} |
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/**
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* Sets the file for the image to be used as a marker symbol
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*
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* @param imageUrl
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* @throws IOException
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*/
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@Override
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public void setImage(URL imageUrl) throws IOException { |
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bgImage = BackgroundFileStyle.createStyleByURL(imageUrl); |
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} |
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/**
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* Sets the file for the image to be used as a marker symbol (when it is
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* selected in the map)
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*
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* @param imageFileUrl
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* @throws IOException
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*/
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@Override
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public void setSelImage(URL imageFileUrl) throws IOException { |
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bgSelImage = BackgroundFileStyle.createStyleByURL(imageFileUrl); |
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} |
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@Override
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public ISymbol getSymbolForSelection() {
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if (selectionSym == null) { |
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try {
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selectionSym = (PictureMarkerSymbol) this.clone();
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} catch (CloneNotSupportedException e) { |
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LOG.warn("Error creating the selection symbol for the symbol "+ this, e); |
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} |
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selectionSym.selected = true;
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selectionSym.selectionSym = selectionSym; // avoid too much lazy creations
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} else {
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selectionSym.setColor(MapContext.getSelectionColor()); |
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} |
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return selectionSym;
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} |
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@Override
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public void draw(Graphics2D g, |
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AffineTransform affineTransform,
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Geometry geom, |
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Feature f, |
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Cancellable cancel) { |
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Point p;
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try {
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p = geom.centroid(); |
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} catch (Exception ex) { |
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return;
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} |
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if (affineTransform != null) { |
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p.transform(affineTransform); |
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} |
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double x, y;
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int size = (int) Math.round(getSize()); |
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double halfSize = getSize() / 2; |
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x = p.getX() - halfSize; |
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y = p.getY() - halfSize; |
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int xOffset = (int) getOffset().getX(); |
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int yOffset = (int) getOffset().getY(); |
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if (size > 0) { |
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BackgroundFileStyle bg = (!selected) ? bgImage : bgSelImage; |
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Rectangle rect = new Rectangle(size, size); |
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g.translate(x + xOffset, y + yOffset); |
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double auxRotation = getRotation();
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g.rotate(auxRotation, halfSize, halfSize); |
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if (bg != null) { |
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try {
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bg.drawInsideRectangle(g, rect); |
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} catch (SymbolDrawingException e) {
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LOG.warn(Messages.getText("label_style_could_not_be_painted")
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+ ": " + bg.getSource().toString(),
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e); |
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} |
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} else {
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LOG.warn(Messages.getText("label_style_could_not_be_painted")
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+ ": bg is Null");
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} |
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g.rotate(-auxRotation, halfSize, halfSize); |
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g.translate(-(x + xOffset), -(y + yOffset)); |
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} |
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} |
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@Override
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public void drawInsideRectangle(Graphics2D g, AffineTransform scaleInstance, Rectangle r, PrintAttributes properties) throws SymbolDrawingException { |
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/*
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* Marker symbols which are not simple (images, etc)
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* are resized when drawn inside a rectangle
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*/
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double saved_size = this.getSize(); |
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this.setSize(r.getHeight());
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super.drawInsideRectangle(g, scaleInstance, r, properties);
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this.setSize(saved_size);
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} |
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public String getClassName() { |
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return getClass().getName();
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} |
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/**
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* Returns the URL of the image that is used as a marker symbol
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*
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* @return imagePath,URL
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*/
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@Override
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public URL getSource() { |
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return bgImage.getSource();
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} |
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/**
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* Returns the URL of the image that is used as a marker symbol (when it is
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* selected in the map)
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*
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* @return selimagePath,URL
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*/
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@Override
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public URL getSelectedSource() { |
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return bgSelImage.getSource();
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} |
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@Override
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public PictureMarkerSymbol clone() throws CloneNotSupportedException { |
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PictureMarkerSymbol copy = (PictureMarkerSymbol) super.clone();
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// clone selection
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if (selectionSym != null) { |
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//to avoid an infinite loop
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if (this == selectionSym) { |
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copy.selectionSym = copy; |
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} else {
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copy.selectionSym = (PictureMarkerSymbol) selectionSym.clone(); |
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} |
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} |
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// clone brackground image
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if (bgImage != null) { |
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copy.bgImage = (BackgroundFileStyle) bgImage.clone(); |
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} |
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// clone selection brackground image
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if (bgSelImage != null) { |
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copy.bgSelImage = (BackgroundFileStyle) bgSelImage.clone(); |
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} |
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return copy;
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} |
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@Override
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public void loadFromState(PersistentState state) throws PersistenceException { |
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// Set parent style properties
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super.loadFromState(state);
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this.selected = (Boolean) state.get(SELECTED); |
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this.selectionSym = (PictureMarkerSymbol) state.get(SELECTION_SYMBOL);
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this.bgImage = (BackgroundFileStyle) state.get(BACKGROUND_IMAGE);
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this.bgSelImage = (BackgroundFileStyle) state.get(BACKGROUND_SELECTION_IMAGE);
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} |
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@Override
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public void saveToState(PersistentState state) throws PersistenceException { |
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// Save parent fill symbol properties
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super.saveToState(state);
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// Save own properties
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state.set(SELECTED, this.selected);
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state.set(SELECTION_SYMBOL, this.getSymbolForSelection());
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state.set(BACKGROUND_IMAGE, this.bgImage);
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state.set(BACKGROUND_SELECTION_IMAGE, this.bgSelImage);
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} |
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public static class RegisterPersistence implements Callable { |
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@Override
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public Object call() throws Exception { |
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PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
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if (manager.getDefinition(PICTURE_MARKER_SYMBOL_PERSISTENCE_DEFINITION_NAME) == null) { |
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DynStruct definition |
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= manager.addDefinition(PictureMarkerSymbol.class, |
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PICTURE_MARKER_SYMBOL_PERSISTENCE_DEFINITION_NAME, |
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PICTURE_MARKER_SYMBOL_PERSISTENCE_DEFINITION_NAME |
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+ " Persistence definition",
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null,
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null);
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// Extend the Style base definition
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definition.extend(manager.getDefinition(MARKER_SYMBOL_PERSISTENCE_DEFINITION_NAME)); |
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definition.addDynFieldBoolean(SELECTED).setMandatory(false);
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definition.addDynFieldObject(SELECTION_SYMBOL).setMandatory(false)
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.setClassOfValue(PictureMarkerSymbol.class).setMandatory(false);
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definition.addDynFieldObject(BACKGROUND_IMAGE) |
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.setClassOfValue(BackgroundFileStyle.class).setMandatory(false);
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definition.addDynFieldObject(BACKGROUND_SELECTION_IMAGE) |
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.setClassOfValue(BackgroundFileStyle.class).setMandatory(false);
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} |
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return true; |
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} |
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} |
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public static class RegisterSymbol implements Callable { |
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@Override
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public Object call() throws Exception { |
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SymbolManager manager = MapContextLocator.getSymbolManager(); |
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manager.registerSymbol(PictureMarkerSymbol.PICTURE_MARKER_SYMBOL_PERSISTENCE_DEFINITION_NAME, |
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PictureMarkerSymbol.class); |
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return true; |
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} |
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} |
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} |