Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2007 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.

 */

package org.gvsig.rastertools.georeferencing.view;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import org.gvsig.rastertools.georeferencing.ui.zoom.IExtensionRequest;

import org.gvsig.rastertools.georeferencing.ui.zoom.IGraphicLayer;

import org.gvsig.rastertools.georeferencing.ui.zoom.ViewControl;

import org.gvsig.rastertools.georeferencing.ui.zoom.layers.CenterPointGraphicLayer;

import org.gvsig.rastertools.georeferencing.ui.zoom.layers.GPGraphic;

import com.iver.andami.PluginServices;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.andami.ui.mdiManager.WindowInfo;

/**

 * Panel que contiene el control de zoom para el raster a georreferenciar.

 * 

 * 22/12/2007

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

 */

public class ZoomRasterDialog extends BaseZoomView implements IWindow {

        private static final long         serialVersionUID = 1L;

        private CenterPointGraphicLayer   pixelGraphicLayer = null;

        private int                       w = 320;

        private int                       h = 100; 

        private int                       posX = 0;

        private int                       posY = 0;

        /**

         * Constructor.

         * Crea la composici?n de controles de zoom.

         */

        public ZoomRasterDialog(int posX, int posY, int w, int h) {

                setPosition(posX, posY);

                setWindowsSize(w, h);

                init();

        }

        /**

         * Asigna la posici?n de la ventana

         * @param posX Posici?n en X

         * @param posY Posici?n en Y

         */

        public void setPosition(int posX, int posY) {

                this.posX = posX;

                this.posY = posY;

        }

        /**

         * Asigna la posici?n de la ventana

         * @param posX Posici?n en X

         * @param posY Posici?n en Y

         */

        public void setWindowsSize(int w, int h) {

                this.w = w;

                this.h = h;

        }

        /**

         * Asigna el valor para el flag minxMaxyUL. Este flag informa de que la esquina 

         * superior izquierda corresponde con el valor de m?nimo X y m?ximo Y. En caso 

         * de ser false esta esquina ser?a de m?nimo X y m?nimo Y.

         * @param v

         */

        public void setMinxMaxyUL(boolean v) {

                getCanvas().setMinxMaxyUL(v);

        }

        /**

         * Inicializaci?n de los componentes gr?ficos

         */

        private void init() {

                setLayout(new GridBagLayout());

                setPreferredSize(new java.awt.Dimension(w, h)); 

                GridBagConstraints gb = new GridBagConstraints();

                gb.insets = new java.awt.Insets(0, 0, 0, 0);

                gb.gridy = 0;

                gb.gridx = 0;

                gb.weightx = 1D; //El espacio sobrante se distribuye horizontalmente

                gb.weighty = 1D; //El espacio sobrante se distribuye verticalmente

                gb.fill = GridBagConstraints.BOTH; //El componente se hace tan ancho como espacio disponible tiene

                gb.anchor = GridBagConstraints.NORTH; //Alineamos las cajas arriba

                add(getControl(), gb);

        }

        /**

         * Registra un objeto IExtensionRequest para que no se aplique un escalado sobre

         * el buffer pasado por par?metro. Alternativamente a la aplicaci?n de este escalado

         * se ejecutar? el m?todo request del interfaz para que el cliente pueda pasar un 

         * nuevo buffer con escala 1:1 y con la extensi?n correspondiente al zoom.

         * @param er

         */

        public void setExtensionRequest(IExtensionRequest er) {

                zoomPixelControl.setExtensionRequest(er);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.rastertools.georeferencing.view.BaseZoomView#addGraphicLayer(org.gvsig.rastertools.georeferencing.ui.zoom.IGraphicLayer)

         */

        public void addGraphicLayer(IGraphicLayer graphicLayer) {

                getControl().setGraphicLayer(graphicLayer);

        }

        /**

         * Obtiene el panel de control de zoom de coordenadas pixel

         * @return

         */

        public ViewControl getControl() {

                if(zoomPixelControl == null) {

                        zoomPixelControl = new ViewControl(ViewControl.LEFT_CONTROL);

                        zoomPixelControl.hideButton(ViewControl.PREV_ZOOM);

                        zoomPixelControl.hideButton(ViewControl.FULL_VIEW);

                        zoomPixelControl.hideButton(ViewControl.SELECT_ZOOM_AREA);

                        zoomPixelControl.hideButton(ViewControl.ZOOM_INCREASE);

                        zoomPixelControl.hideButton(ViewControl.ZOOM_DECREASE);

                }

                return zoomPixelControl;

        }

        /**

         * Obtiene el panel de control de zoom de coordenadas pixel

         * @return

         */

        public CenterPointGraphicLayer getPixelGraphicLayer() {

                if(pixelGraphicLayer == null) {

                        pixelGraphicLayer = new CenterPointGraphicLayer(GPGraphic.PIXEL, getControl());

                        pixelGraphicLayer.setShowNumber(false);

                        pixelGraphicLayer.setShowLabel(false);

                        getControl().setGraphicLayer(pixelGraphicLayer);

                }

                return pixelGraphicLayer;

        }

        /**

         * Asigna los par?metros de dibujado para el raster

         * @param img Buffer con un ?rea de datos

         * @param ext Rectangle2D del ?rea de datos dada 

         * @param pixelSize Tama?o de pixel

         * @param center Punto del ?rea de datos donde se quiere centrar el dibujado del buffer

         */

        public void setDrawParams(BufferedImage img, Rectangle2D ext, double pixelSize, Point2D center) {

                getControl().setDrawParams(img, ext, pixelSize, center) ;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.andami.ui.mdiManager.IWindow#getWindowInfo()

         */

        public WindowInfo getWindowInfo() {

                WindowInfo m_viewinfo = new WindowInfo(WindowInfo.MODELESSDIALOG | WindowInfo.RESIZABLE);

                //if (getClippingPanel().getFLayer() != null)

                        //m_viewinfo.setAdditionalInfo(getClippingPanel().getFLayer().getName());

                m_viewinfo.setTitle(PluginServices.getText(this, "zooms_control"));

                m_viewinfo.setX(posX);

                m_viewinfo.setY(posY);

                m_viewinfo.setHeight(h);

                m_viewinfo.setWidth(w);

                return m_viewinfo;

        }

}