Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

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

import java.awt.Graphics2D;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import javax.swing.JPanel;

import org.gvsig.raster.georeferencing.swing.GeoreferencingSwingLibrary;

import org.gvsig.raster.georeferencing.swing.impl.tool.BaseViewTool;

import org.gvsig.raster.georeferencing.swing.impl.tool.PanTool;

import org.gvsig.raster.georeferencing.swing.impl.tool.SelectPointTool;

import org.gvsig.raster.georeferencing.swing.impl.tool.ZoomRectangleTool;

import org.gvsig.raster.georeferencing.swing.view.GeoreferencingView;

import org.gvsig.raster.georeferencing.swing.view.IGraphicLayer;

import org.gvsig.raster.georeferencing.swing.view.ToolListener;

import org.gvsig.raster.georeferencing.swing.view.ViewListener;

/**

 * Clase de la que heredan los dialogos de vista y zoom que utilizan 

 * el ViewControl. Contiene m?todos generales para el acceso a informaci?n

 * del control.

 * 

 * 20/01/2008

 * @author Nacho Brodin nachobrodin@gmail.com

 */

public abstract class BaseZoomView extends JPanel implements GeoreferencingView {

        private static final long           serialVersionUID = -8041978144045965049L;

        protected ViewControl               zoomPixelControl = null;

        protected BaseViewTool              tool             = null;

        public JPanel getComponent() {

                return this;

        }

        public void setViewListener(ViewListener listener) {

        }

        /**

         * Obtiene el graphics del canvas

         * @return

         */

        public Graphics2D getCanvasGraphic() {

                return (Graphics2D) zoomPixelControl.getCanvas().getGraphics();

        }

        /**

         * Obtiene el ancho del canvas

         * @return 

         */

        public int getCanvasWidth() {

                return zoomPixelControl.getCanvasWith();

        }

        /**

         * Obtiene el alto del canvas

         * @return

         */

        public int getCanvasHeight() {

                return zoomPixelControl.getCanvasHeight();

        }

        /**

         * Asigna el tama?o del cursor en pixeles del canvas

         * @param w Ancho

         * @param h Alto

         */

        public void setCursorSize(int w, int h) {

        }

        /**

         * Asigna la posici?n del cursor en el canvas

         * @param x Posici?n en X

         * @param y Posici?n en Y

         */

        public void setCursorPosition(int x, int y) {

        }

        /**

         * 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 abstract void setDrawParams(BufferedImage img, Rectangle2D ext, double pixelSize, Point2D center);

        /**

         * A?ade una capa gr?fica al canvas. Esta debe heredar de IGraphicLayer

         * para que pueda ser dibujada sobre el mismo.

         * @param gl

         */

        public abstract void addGraphicLayer(IGraphicLayer graphicLayer);

        /**

         * Obtiene el panel de control de la vista

         * @return

         */

        public abstract ViewControl getControl();

        /**

         * Obtiene el canvas asociado

         * @return CanvasZone

         */

        public CanvasZone getCanvas() {

                return zoomPixelControl.getCanvas();

        }

        public void setTool(int tool, ToolListener listener) {

                if(tool == GeoreferencingSwingLibrary.SELECT_POINT_TOOL)

                        this.tool = new SelectPointTool(getCanvas(), listener);

                if(tool == GeoreferencingSwingLibrary.ZOOM_RECTANGLE_TOOL)

                        this.tool = new ZoomRectangleTool(getCanvas(), listener);

                if(tool == GeoreferencingSwingLibrary.PAN_TOOL)

                        this.tool = new PanTool(getCanvas(), listener);

        }

}