svn-gvsig-desktop / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / geolocation / behavior / RotationBehavior.java @ 12626
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2006 IVER T.I. and Generalitat Valenciana.
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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 2
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.gvsig.rastertools.geolocation.behavior; |
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import java.awt.AlphaComposite; |
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import java.awt.Color; |
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import java.awt.Component; |
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import java.awt.Cursor; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.Image; |
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import java.awt.Point; |
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import java.awt.Rectangle; |
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import java.awt.Toolkit; |
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import java.awt.event.MouseEvent; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.NoninvertibleTransformException; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import javax.swing.ImageIcon; |
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import javax.swing.JOptionPane; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.tools.BehaviorException; |
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import com.iver.cit.gvsig.fmap.tools.Listeners.RectangleListener; |
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import com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener; |
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/**
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* Behaviour que espera un listener de tipo RedimListener.
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* Nacho Brodin (brodin_ign@gva.es)
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*
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*/
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public class RotationBehavior extends TransformationBehavior { |
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//N?mero de pixeles de ancho del borde donde el cursor se activar?. Son pixeles del canvas de la vista.
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//De esta forma da igual la escala a la que est? la imagen siempre tiene la misma precisi?n
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private int PX_SELEC = 13; |
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private int LONG_CORNER = 9; |
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private Color rectangleColor = Color.RED; |
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private RectangleListener listener;
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private final Image supIzq = new ImageIcon(getClass().getClassLoader().getResource( |
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"images/RotSupIzqCursor.gif")).getImage();
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private final Image supDer = new ImageIcon(getClass().getClassLoader().getResource( |
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"images/RotSupDerCursor.gif")).getImage();
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private final Image infIzq = new ImageIcon(getClass().getClassLoader().getResource( |
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"images/RotInfIzqCursor.gif")).getImage();
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private final Image infDer = new ImageIcon(getClass().getClassLoader().getResource( |
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"images/RotInfDerCursor.gif")).getImage();
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private Point2D ul = null; |
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private Point2D lr = null; |
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private Point2D tmpUl = null; |
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private Point2D tmpLr = null; |
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/**
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* Variable que si est? a true permite que se pinte el marco de la imagen. Se activa al
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* comenzar el redimensionado y se desactiva al terminar
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*/
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private boolean isResizable = false; |
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/**
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* Lista de flags de redimensionado para cada lado del raster
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* [0]-esquina superior derecha
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* [1]-esquina superior izquierda
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* [2]-esquina inferior derecha
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* [3]-esquina inferior izquierda
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*/
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private boolean[] cornerActive = {false, false, false, false}; |
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/**
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* Crea un nuevo RectangleBehavior.
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*
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* @param zili listener.
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*/
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public RotationBehavior(GeoRasterBehavior grb, Cursor cur) { |
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grBehavior = grb; |
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defaultCursor = cur; |
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} |
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/**
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* Cuando se produce un evento de pintado dibujamos el marco de la imagen para
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* que el usuario pueda seleccionar y redimensionar.
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*/
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public void paintComponent(Graphics g) { |
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BufferedImage img = grBehavior.getMapControl().getImage();
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g.drawImage(img, 0, 0, null); |
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g.setColor(rectangleColor); |
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ViewPort vp = grBehavior.getMapControl().getMapContext().getViewPort(); |
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try{
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Rectangle r = new Rectangle(); |
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AffineTransform at = new AffineTransform(); |
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at.setToShear( lyr.getAffineTransform().getShearX() / lyr.getAffineTransform().getScaleX(), |
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lyr.getAffineTransform().getShearY() / lyr.getAffineTransform().getScaleY()); |
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if(tmpLr == null || tmpUl == null) |
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return;
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if(isResizable){
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if(lyr != null){ |
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((Graphics2D)g).transform(at);
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try {
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Point2D pt = new Point2D.Double(tmpUl.getX(), tmpUl.getY()); |
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Point2D pt1 = new Point2D.Double(tmpLr.getX(), tmpLr.getY()); |
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at.inverseTransform(pt, pt); |
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at.inverseTransform(pt1, pt1); |
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((Graphics2D)g).setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.1f)); |
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g.fillRect((int)pt.getX(), (int)pt.getY(), (int)Math.abs(pt.getX() - pt1.getX()), (int)Math.abs(pt.getY() - pt1.getY())); |
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((Graphics2D)g).setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); |
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g.drawRect((int)pt.getX(), (int)pt.getY(), (int)Math.abs(pt.getX() - pt1.getX()), (int)Math.abs(pt.getY() - pt1.getY())); |
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((Graphics2D)g).transform(at.createInverse());
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} catch (NoninvertibleTransformException e) { |
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} |
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}else
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g.drawRect((int)tmpUl.getX(), (int)tmpUl.getY(), (int)Math.abs(tmpUl.getX() - tmpLr.getX()), (int)Math.abs(tmpUl.getY() - tmpLr.getY())); |
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} |
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} catch(ClassCastException exc1){ |
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JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(), |
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PluginServices.getText(this, "error_capa_puntos")); |
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} |
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} |
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/**
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* Reimplementaci?n del m?todo mousePressed de Behavior. Cuando se pulsa
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* estando sobre el marco de la imagen activamos la posibilidad de arrastrar
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* para redimensionar la imagen.
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*
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* @param e MouseEvent
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*/
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public void mousePressed(MouseEvent e) { |
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if (e.getButton() == MouseEvent.BUTTON1) { |
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setActiveTool(true);
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isResizable = true;
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ViewPort vp = grBehavior.getMapControl().getMapContext().getViewPort(); |
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if(lyr == null) |
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lyr = grBehavior.getLayer(); |
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if(vp != null && lyr != null) { |
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tmpLr = vp.fromMapPoint(lyr.getMultiRasterDataset().getExtentForRequest().maxX(), lyr.getMultiRasterDataset().getExtentForRequest().minY()); |
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tmpUl = vp.fromMapPoint(lyr.getMultiRasterDataset().getExtentForRequest().minX(), lyr.getMultiRasterDataset().getExtentForRequest().maxY()); |
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} |
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} |
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/* if (listener.cancelDrawing())
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grBehavior.getMapControl().cancelDrawing();*/
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} |
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/**
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* Reimplementaci?n del m?todo mouseReleased de Behavior. Desactivamos
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* los flags de redimensionado y a partir de la selecci?n del usuario
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* creamos un nuevo extent para la imagen. Con este extent creamos una nueva
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* capa que sustituir? a la anterior.
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*
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* @param e MouseEvent
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*
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* @throws BehaviorException Excepci?n lanzada cuando el Behavior.
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*/
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public void mouseReleased(MouseEvent e) throws BehaviorException { |
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resetBorderSelected(); |
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if (e.getButton() == MouseEvent.BUTTON1 && isResizable) { |
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//Asignamos el nuevo extent a la imagen
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ViewPort vp = grBehavior.getMapControl().getMapContext().getViewPort(); |
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if(lyr != null){ |
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Rectangle2D r = new Rectangle2D.Double(); |
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r.setFrameFromDiagonal(tmpUl, tmpLr); |
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//Esquina donde se produce la traslaci?n
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Point2D p = vp.toMapPoint(Math.round((int)r.getMinX()), Math.round((int)r.getMaxY())); |
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//Para el calculo de el nuevo pixel size necesitamos saber el ancho en pixeles del raster y la distancia entre
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//esquinas en metros y sin rotar luego calcularemos el nuevo pixel size como (metros/n?mero de pixels)
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int distPxX = (int)lyr.getMultiRasterDataset().getWidth()[0]; //Width PX X |
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int distPxY = (int)lyr.getMultiRasterDataset().getHeight()[0]; //Width PX Y |
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Point2D tmpUlMap = vp.toMapPoint(Math.round((int)r.getMinX()), (int)Math.round(r.getMaxY())); |
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Point2D tmpLrMap = vp.toMapPoint(Math.round((int)r.getMaxX()), (int)Math.round(r.getMinY())); |
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double distWcX = Math.abs(tmpLrMap.getX() - tmpUlMap.getX()); //Mtrs X |
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double distWcY = Math.abs(tmpUlMap.getY() - tmpLrMap.getY()); //Mtrs Y |
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AffineTransform atOld = lyr.getAffineTransform();
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//Cuando modificamos el tama?o del pixel tenemos que recalcular proporcionalmente la rotaci?n aplicada porque
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//sino cambiar? el angulo de giro
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double shearNewX = (atOld.getShearX() * (distWcX / distPxX)) / atOld.getScaleX();
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double shearNewY = (atOld.getShearY() * (distWcY / distPxY)) / atOld.getScaleY();
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//Conservamos el signo que tenian anteriormente el tama?o de pixel y la rotaci?n
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AffineTransform atNew = new AffineTransform((atOld.getScaleX() > 0) ? Math.abs(distWcX / distPxX) : -Math.abs(distWcX / distPxX), |
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(atOld.getShearY() > 0) ? Math.abs(shearNewY) : -Math.abs(shearNewY), |
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(atOld.getShearX() > 0) ? Math.abs(shearNewX) : -Math.abs(shearNewX), |
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(atOld.getScaleY() > 0) ? Math.abs(distWcY / distPxY) : -Math.abs(distWcY / distPxY), |
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p.getX(), p.getY()); |
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//Asignamos la nueva matriz de transformaci?n a la capa de georreferenciaci?n
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lyr.setAffineTransform(atNew); |
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grBehavior.getMapControl().getMapContext().invalidate(); |
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tmpUl = null;
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tmpLr = null;
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} |
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isResizable = false;
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} |
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} |
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/**
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* Al arrastrar cuando se ha pulsado sobre el marco de la imagen recalculamos
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* el marco de la imagen
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*
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* @param e MouseEvent
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*/
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public void mouseDragged(MouseEvent p) { |
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/*setActiveTool(true);
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AffineTransform at = new AffineTransform();
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at.setToShear( lyr.getAffineTransform().getShearX() / lyr.getAffineTransform().getScaleX(),
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lyr.getAffineTransform().getShearY() / lyr.getAffineTransform().getScaleY());
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Point2D e = new Point2D.Double(p.getX(), p.getY());
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try {
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at.inverseTransform(e, e);
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} catch (NoninvertibleTransformException e1) {
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e1.printStackTrace();
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}
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if(tmpLr == null || tmpUl == null)
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return;
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double longLadoX = Math.abs(tmpLr.getX() - tmpUl.getX());
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double longLadoY = Math.abs(tmpLr.getY() - tmpUl.getY());
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double coordCentroV = 0D, coordCentroH = 0D;
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//Guardamos los puntos iniciales para poder reponerlos si excedemos el tama?o m?nimo
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Point2D antUl = tmpUl;
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Point2D antLr = tmpLr;
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coordCentroV = tmpUl.getY() + (Math.abs(tmpLr.getY() - tmpUl.getY()) / 2);
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coordCentroH = tmpUl.getX() + (Math.abs(tmpLr.getX() - tmpUl.getX()) / 2);
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if(sideActive[2]) {//vertical derecha
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double newLadoX = (e.getX() - tmpUl.getX());
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double newLadoY = (newLadoX * longLadoY) / longLadoX;
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tmpUl = new Point2D.Double(tmpUl.getX(), coordCentroV - (newLadoY / 2));
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tmpLr = new Point2D.Double(e.getX(), coordCentroV + (newLadoY / 2));
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} else if(sideActive[3]) {//vertical izquierda
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double newLadoX = (e.getX() - tmpLr.getX());
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double newLadoY = (newLadoX * longLadoY) / longLadoX;
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tmpLr = new Point2D.Double(tmpLr.getX(), coordCentroV - (newLadoY / 2));
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tmpUl = new Point2D.Double(e.getX(), coordCentroV + (newLadoY/2));
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} else if(sideActive[1]) {//horizontal abajo
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double newLadoY = (e.getY() - tmpUl.getY());
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double newLadoX = (newLadoY * longLadoX) / longLadoY;
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tmpLr = new Point2D.Double(coordCentroH + (newLadoX / 2), e.getY());
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tmpUl = new Point2D.Double(coordCentroH - (newLadoX / 2), tmpUl.getY());
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} else if(sideActive[0]) {//horizontal arriba
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double newLadoY = (tmpLr.getY() - e.getY());
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double newLadoX = (newLadoY * longLadoX) / longLadoY;
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tmpUl = new Point2D.Double(coordCentroH - (newLadoX / 2), e.getY());
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tmpLr = new Point2D.Double(coordCentroH + (newLadoX / 2), tmpLr.getY());
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} else if(sideActive[6]) {//Esquina inferior derecha
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double rel = longLadoX / longLadoY;
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double difY = (e.getY() - tmpLr.getY());
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double difX = (e.getX() - tmpLr.getX());
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if(difX > difY){
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difY = difX / rel;
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}else
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difX = difY * rel;
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tmpUl = new Point2D.Double(tmpUl.getX(), tmpUl.getY());
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tmpLr = new Point2D.Double(tmpLr.getX() + difX, tmpLr.getY() + difY);
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} else if(sideActive[5]) {//Esquina superior izquierda
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double rel = longLadoX / longLadoY;
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double difY = (tmpUl.getY() - e.getY());
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double difX = (tmpUl.getX() - e.getX());
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if(difX > difY){
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difY = difX / rel;
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}else
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difX = difY * rel;
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tmpUl = new Point2D.Double(tmpUl.getX() - difX, tmpUl.getY() - difY);
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tmpLr = new Point2D.Double(tmpLr.getX(), tmpLr.getY());
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} else if(sideActive[4]) {//Esquina superior derecha
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double rel = longLadoX / longLadoY;
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double difY = (tmpUl.getY() - e.getY());
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double difX = (e.getX() - tmpLr.getX());
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if(difX > difY){
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difY = difX / rel;
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}else
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difX = difY * rel;
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tmpUl = new Point2D.Double(tmpUl.getX(), tmpUl.getY() - difY);
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tmpLr = new Point2D.Double(tmpLr.getX() + difX, tmpLr.getY());
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} else if(sideActive[7]) {//Esquina inferior izquierda
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double rel = longLadoX / longLadoY;
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double difY = (e.getY() - tmpLr.getY());
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double difX = (tmpUl.getX() - e.getX());
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if(difX > difY)
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difY = difX / rel;
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else
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difX = difY * rel;
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tmpUl = new Point2D.Double(tmpUl.getX() - difX, tmpUl.getY());
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tmpLr = new Point2D.Double(tmpLr.getX(), tmpLr.getY() + difY);
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}
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//A partir de un tama?o m?nimo no reducimos m?s
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limiteMinimunSize(antUl, antLr);
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grBehavior.getMapControl().repaint();*/
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} |
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/**
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* Limita el tama?o m?nimo de la ventana de escalado
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* @param p1 Esquina superior izquierda a restaurar cuando excedemos la petici?n de tama?o m?nimo
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* @param p2 Esquina inferior derecha a restaurar cuando excedemos la petici?n de tama?o m?nimo
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*/
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private void limiteMinimunSize(Point2D p1, Point2D p2) { |
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if( Math.abs(tmpLr.getX() - tmpUl.getX()) < 25 || Math.abs(tmpUl.getY() - tmpLr.getY()) < 25){ |
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tmpUl = p1; |
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tmpLr = p2; |
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} |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#setListener(org.gvsig.georeferencing.fmap.tools.ToolListener)
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*/
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public void setListener(ToolListener listener) { |
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this.listener = (RectangleListener) listener;
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#getListener()
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*/
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public ToolListener getListener() {
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return listener;
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} |
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/**
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* Cuando movemos el rat?n detecta si estamos en el marco de la
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* imagen y pone el icono del cursor del rat?n adecuado.
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*/
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public boolean mouseMoved(MouseEvent e) throws BehaviorException { |
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ViewPort vp = grBehavior.getMapControl().getMapContext().getViewPort(); |
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lyr = grBehavior.getLayer(); |
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if(lyr == null) { |
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setActiveTool(false);
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return false; |
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} |
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Rectangle2D ext = lyr.getFullExtent();
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Point2D p1 = vp.fromMapPoint(ext.getMinX(), ext.getMaxY());
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Point2D p2 = vp.fromMapPoint(ext.getMaxX(), ext.getMinY());
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//esquina superior izquierda
|
| 378 |
if ((e.getX() > (p1.getX() - PX_SELEC) && e.getX() <= (p1.getX() + LONG_CORNER) && e.getY() <= p1.getY() && e.getY() > (p1.getY() - PX_SELEC)) ||
|
| 379 |
(e.getX() <= p1.getX() && e.getX() > (p1.getX() - PX_SELEC) && e.getY() > p1.getY() && e.getY() <= (p1.getY() + LONG_CORNER))){
|
| 380 |
grBehavior.getMapControl().setCursor(Toolkit.getDefaultToolkit().createCustomCursor(supIzq, new Point(16, 16), "")); |
| 381 |
setActiveTool(true);
|
| 382 |
cornerActive[1] = true; |
| 383 |
return true; |
| 384 |
} |
| 385 |
|
| 386 |
//esquina superior derecha
|
| 387 |
if ((e.getX() >= (p2.getX() - LONG_CORNER) && e.getX() < (p2.getX() + PX_SELEC) && e.getY() <= p1.getY() && e.getY() > (p1.getY() - PX_SELEC)) ||
|
| 388 |
(e.getX() >= p2.getX() && e.getX() < (p2.getX() + PX_SELEC) && e.getY() > p1.getY() && e.getY() <= (p1.getY() + LONG_CORNER))){
|
| 389 |
grBehavior.getMapControl().setCursor(Toolkit.getDefaultToolkit().createCustomCursor(supDer, new Point(16, 16), "")); |
| 390 |
setActiveTool(true);
|
| 391 |
cornerActive[0] = true; |
| 392 |
return true; |
| 393 |
} |
| 394 |
|
| 395 |
//esquina inferior izquierda
|
| 396 |
if ((e.getX() > (p1.getX() - PX_SELEC) && e.getX() <= (p1.getX() + LONG_CORNER) && e.getY() >= p2.getY() && e.getY() < (p2.getY() + PX_SELEC)) ||
|
| 397 |
(e.getX() <= p1.getX() && e.getX() > (p1.getX() - PX_SELEC) && e.getY() < p2.getY() && e.getY() >= (p2.getY() - LONG_CORNER))){
|
| 398 |
grBehavior.getMapControl().setCursor(Toolkit.getDefaultToolkit().createCustomCursor(infIzq, new Point(16, 16), "")); |
| 399 |
setActiveTool(true);
|
| 400 |
cornerActive[3] = true; |
| 401 |
return true; |
| 402 |
} |
| 403 |
|
| 404 |
//esquina inferior derecha
|
| 405 |
/*if ((e.getX() < p2.getX() && e.getX() >= (p2.getX() - LONG_CORNER) && e.getY() >= (p2.getY() - PX_SELEC) && e.getY() < p2.getY()) ||
|
| 406 |
(e.getX() < p2.getX() && e.getX() >= (p2.getX() - PX_SELEC) && e.getY() < p2.getY() && e.getY() >= (p2.getY() - LONG_CORNER))){
|
| 407 |
grBehavior.getMapControl().setCursor(Toolkit.getDefaultToolkit().createCustomCursor(infDer, new Point(16, 16), ""));
|
| 408 |
setActiveTool(true);
|
| 409 |
cornerActive[2] = true;
|
| 410 |
return true;
|
| 411 |
}*/
|
| 412 |
|
| 413 |
grBehavior.getMapControl().repaint(); |
| 414 |
grBehavior.getMapControl().setCursor(defaultCursor); |
| 415 |
return false; |
| 416 |
} |
| 417 |
|
| 418 |
/**
|
| 419 |
* Pone a false todos los elementos del array sideActive. Esto es equivalente
|
| 420 |
* a eliminar cualquier selecci?n de borde.
|
| 421 |
*/
|
| 422 |
private void resetBorderSelected() { |
| 423 |
for (int i = 0; i < cornerActive.length; i++) |
| 424 |
cornerActive[i] = false;
|
| 425 |
} |
| 426 |
|
| 427 |
} |