Application: gvSIG desktop » gvSIG raster

package org.gvsig.raster.georeferencing.swing.impl.option;

import java.awt.Color;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.beans.PropertyChangeEvent;

import java.beans.PropertyChangeListener;

import java.util.EventObject;

import java.util.HashMap;

import javax.swing.JLabel;

import javax.swing.JPanel;

import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException;

import org.gvsig.gui.beans.datainput.DataInputContainerListener;

import org.gvsig.i18n.Messages;

import org.gvsig.raster.georeferencing.GeoreferencingLibrary;

import org.gvsig.raster.georeferencing.Geotransformation;

import org.gvsig.raster.georeferencing.swing.model.GeoreferencingOptionsDataModel;

import org.gvsig.raster.swing.basepanel.AbstractButtonsPanel;

import org.gvsig.raster.swing.basepanel.ButtonsPanelListener;

import org.gvsig.raster.swing.impl.basepanel.ButtonsPanel;

import org.gvsig.raster.tools.algorithm.base.RasterBaseAlgorithmLibrary;

import org.gvsig.raster.tools.algorithm.base.process.ProcessException;

import org.gvsig.raster.tools.algorithm.base.process.RasterProcess;

/**

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class CellSizeDialog extends AbstractButtonsPanel implements DataInputContainerListener, PropertyChangeListener {

        private static final long              serialVersionUID   = 1L;

        private CellSizeOptionsPanel           cellSizePanel      = null;

        private JPanel                         panel              = null;

        private JLabel                         labelText          = null;

        private JLabel                         xsizeText          = null;

        private JLabel                         ysizeText          = null;

        private GeoreferencingOptionsDataModel dataModel          = null;

        public CellSizeDialog(GeoreferencingOptionsDataModel dataModel, ButtonsPanelListener listener) {

                this.dataModel = dataModel;

                getButtonsPanel().getButton(ButtonsPanel.BUTTON_APPLY).setVisible(false);

                getButtonsPanel().addButtonPressedListener(listener);

                init();

                if(dataModel != null) {

                        calculateTransformation();

                }

        }

        /**

         * Acciones de inicializaci?n del panel

         */

        public void init() {

                labelText = new JLabel(Messages.getText("recomended_size"));

                xsizeText = new JLabel("X:- px");

                ysizeText = new JLabel("Y:- px");

                xsizeText.setForeground(Color.red);

                ysizeText.setForeground(Color.red);

                GridBagLayout gl = new GridBagLayout();

                setLayout(gl);

                GridBagConstraints gbc = new GridBagConstraints();

                gbc.weightx = 1.0;

                gbc.weighty = 0;

                gbc.fill = GridBagConstraints.HORIZONTAL;

                gbc.gridy = 1;

                add(getCellSizePanel(), gbc);

                gbc.gridy = 2;

                add(getPanel(), gbc);

        }

        public CellSizeOptionsPanel getCellSizePanel() {

                if(cellSizePanel == null) {

                        cellSizePanel = new CellSizeOptionsPanel();

                        cellSizePanel.getXCellSizeTextField().setListener(this);

                        cellSizePanel.getYCellSizeTextField().setListener(this);

                }

                return cellSizePanel;

        }

        public JPanel getPanel() {

                if(panel == null) {

                        panel = new JPanel(new GridBagLayout());

                        GridBagConstraints gbc = new GridBagConstraints();

                        gbc.weightx = 1.0;

                        gbc.weighty = 0;

                        gbc.fill = GridBagConstraints.HORIZONTAL;

                        gbc.gridy = 1;

                        panel.add(labelText, gbc);

                        gbc.gridy = 2;

                        panel.add(xsizeText, gbc);

                        gbc.gridy = 3;

                        panel.add(ysizeText, gbc);

                }

                return panel;

        }

        public void actionValueChanged(EventObject e) {

                calculateTransformation();

        }

        public void propertyChange(PropertyChangeEvent evt) {

                if(evt.getPropertyName().equals("value")) 

                        calculateTransformation();

        }

        @SuppressWarnings("unchecked")

        private void calculateTransformation() {

                if(dataModel == null)

                        return;

                double xCellSize = 0;

                double yCellSize = 0;

                String cs1 = getCellSizePanel().getXCellSizeTextField().getValue();

                String cs2 = getCellSizePanel().getYCellSizeTextField().getValue();

                try {

                        xCellSize = Double.valueOf(cs1);

                        yCellSize = Double.valueOf(cs2);

                } catch (NumberFormatException e) {

                        xsizeText.setText("X: ? px");

                        ysizeText.setText("Y: ? px");

                        return;

                }

                try {

                        RasterProcess transform = RasterBaseAlgorithmLibrary.getManager().createRasterTask(GeoreferencingLibrary.GEOTRANSFORM_PROCESS_LABEL);

                        transform.addParam("gcps", dataModel.getGCPList().getGeoPointList());

                        transform.addParam("Order", new Integer(dataModel.getDegree()));

                        transform.execute();

                        int w = (int)dataModel.getDataStore().getWidth();

                        int h = (int)dataModel.getDataStore().getHeight();

                        HashMap<String, Object> map = (HashMap<String, Object>)transform.getResult();

                        Geotransformation gt = (Geotransformation)map.get("RESULT");

                        // Obtenida la transformacion la aplicamos a los puntos extremos de la imagen

                        double p1[] = gt.getCoordMap(0, 0);                

                        double p2[] = gt.getCoordMap(w, 0);                

                        double p3[] = gt.getCoordMap(0, h);

                        double p4[] = gt.getCoordMap(w, h);

                        double xmin = Math.min(Math.min(p1[0], p3[0]), Math.min(p2[0], p4[0]));

                        double ymin = Math.min(Math.min(p3[1], p4[1]), Math.min(p1[1], p2[1]));

                        double xmax = Math.max(Math.max(p2[0], p4[0]), Math.max(p1[0], p3[0]));        

                        double ymax = Math.max(Math.max(p1[1], p2[1]), Math.max(p3[1], p4[1]));

                        if(xCellSize > 0 && yCellSize > 0) {

                                w = (int)((xmax - xmin) / xCellSize);

                                h = (int)((ymax - ymin) / yCellSize);

                        } else {

                                xCellSize = ((xmax - xmin) / w);

                                yCellSize = ((ymax - ymin) / h);

                                getCellSizePanel().getXCellSizeTextField().setValue(Double.toString(xCellSize));

                                getCellSizePanel().getYCellSizeTextField().setValue(Double.toString(yCellSize));

                        }

                        if(dataModel.getAlgorithm() == GeoreferencingLibrary.AFFINE) {

                                xsizeText.setText("X: "+ (int)dataModel.getDataStore().getWidth() + " px (native)");

                                ysizeText.setText("Y: "+ (int)dataModel.getDataStore().getHeight() + " px (native)");

                        } else {

                                xsizeText.setText("X: " + w + " px");

                                ysizeText.setText("Y: " + h + " px");

                        }

                        dataModel.setXCellSize(xCellSize);

                        dataModel.setYCellSize(yCellSize);

                } catch (ProcessInterruptedException e) {

                } catch (ProcessException e) {

                        xsizeText.setText("X: ? px");

                        ysizeText.setText("Y: ? px");

                }

        }

}