Application: gvSIG desktop

/*

 * Created on 20-feb-2004

 *

 */

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

 *

 * Copyright (C) 2004 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.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.gui.layout.fframes;

import java.awt.Dimension;

import java.awt.Graphics2D;

import java.awt.Image;

import java.awt.RenderingHints;

import java.awt.geom.AffineTransform;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import java.io.File;

import javax.swing.ImageIcon;

import org.apache.batik.bridge.BridgeContext;

import org.apache.batik.bridge.DocumentLoader;

import org.apache.batik.bridge.GVTBuilder;

import org.apache.batik.bridge.UserAgentAdapter;

import org.apache.batik.bridge.ViewBox;

import org.apache.batik.gvt.GraphicsNode;

import org.apache.batik.gvt.renderer.StaticRenderer;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import org.w3c.dom.svg.SVGDocument;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

import com.iver.cit.gvsig.fmap.DriverException;

import com.iver.cit.gvsig.gui.layout.Layout;

import com.iver.cit.gvsig.gui.project.SaveException;

import com.iver.utiles.XMLEntity;

import com.sun.jimi.core.Jimi;

/**

 * FFrame para introducir una imagen en el Layout o para dibujar sobre el

 * graphics un SVG.

 *

 * @author Vicente Caballero Navarro

 */

public class FFramePicture extends FFrame {

        protected static RenderingHints defaultRenderingHints;

        static {

                defaultRenderingHints = new RenderingHints(null);

                defaultRenderingHints.put(RenderingHints.KEY_ANTIALIASING,

                        RenderingHints.VALUE_ANTIALIAS_ON);

                defaultRenderingHints.put(RenderingHints.KEY_INTERPOLATION,

                        RenderingHints.VALUE_INTERPOLATION_BILINEAR);

        }

        private static final int PRESENTACION = 0;

        private static final int ACTIVO = 1;

        private BufferedImage m_image = null;

        private int m_quality = PRESENTACION;

        private int m_viewing = ACTIVO;

        private String m_path = null;

        private boolean isSVG = false;

        private StaticRenderer renderer = new StaticRenderer();

        private Element elt;

        private GVTBuilder gvtBuilder = new GVTBuilder();

        private GraphicsNode gvtRoot = null;

        /**

         * Creates a new FFramePicture object.

         */

        public FFramePicture() {

        }

        /**

         * M?todo que dibuja sobre el graphics que se le pasa como par?metro, seg?n

         * la transformada afin que se debe de aplicar y el rect?ngulo que se debe

         * de dibujar.

         *

         * @param g Graphics

         * @param at Transformada afin.

         * @param rv rect?ngulo sobre el que hacer un clip.

         * @param imgBase Imagen para acelerar el dibujado.

         */

        public void draw(Graphics2D g, AffineTransform at, Rectangle2D rv,

                BufferedImage imgBase) {

                Rectangle2D.Double r = getBoundingBox(at);

                g.rotate(Math.toRadians(getRotation()), r.x + (r.width / 2),

                                r.y + (r.height / 2));

                double x = r.getMinX();

                double y = r.getMinY();

                double w = r.getWidth();

                double h = r.getHeight();

                if (intersects(rv, r)) {

                        if ((m_image == null) && !isSVG) { //Que no hay una imagen.

                                drawEmpty(g);

                        } else {

                                if ((rv == null) || (getQuality() == PRESENTACION)) {

                                        if (!isSVG) {

                                                double scalex = (double) w / m_image.getWidth(null);

                                                double scaley = (double) h / m_image.getHeight(null);

                                                AffineTransform xform = AffineTransform.getScaleInstance(scalex,

                                                                scaley);

                                                AffineTransform xpos = AffineTransform.getTranslateInstance(x,

                                                                y);

                                                xpos.concatenate(xform);

                                                g.drawRenderedImage(m_image, xpos);

                                        } else if (isSVG) {

                                                try {if(r!=null)

                                                        drawSVG(g, r, rv, at);

                                                } catch (OutOfMemoryError e) {

                                                        System.out.println("Dibujando SVG = " + e);

                                                } catch (IllegalArgumentException e) {

                                                        System.out.println("Dibujando SVG = " + e);

                                                }

                                                System.gc();

                                        }

                                } else {

                                        drawDraft(g);

                                }

                        }

                }

                g.rotate(Math.toRadians(-getRotation()),

                                r.x + (r.width / 2), r.y + (r.height / 2));

        }

        /**

         * Dibuja SVG sobre el Graphics que se pasa como par?metro.

         *

         * @param g Graphics

         * @param rect rect?ngulo que ocupa.

         * @param rv Rect?ngulo que forma la parte visible del Layout.

         * @param at Matriz de transformaci?n.

         */

        private void drawSVG(Graphics2D g, Rectangle2D rect, Rectangle2D rv,

                AffineTransform at) {

                if ((rv == null) || rv.contains(rect)) {

                        AffineTransform ataux = new AffineTransform();

                        ataux.translate(rect.getX(), rect.getY());

                        try{

                        ataux.concatenate(ViewBox.getViewTransform(null, elt,

                                        (float) rect.getWidth(), (float) rect.getHeight()));

                        gvtRoot.setTransform(ataux);

                        }catch (Exception e) {

                                // TODO: handle exception

                        }

                } else {

                        AffineTransform ataux = new AffineTransform();

                        ataux.translate(rect.getX(), rect.getY());

                        ataux.concatenate(ViewBox.getViewTransform(null, elt,

                                        (float) rect.getWidth(), (float) rect.getHeight()));

                        gvtRoot.setTransform(ataux);

                }

                RenderingHints renderingHints = new RenderingHints(defaultRenderingHints);

                g.setRenderingHints(renderingHints);

        if (gvtRoot != null)

            gvtRoot.paint(g);

        }

        /**

         * Rellena la calidad seg?n el entero que se pasa como par?metro.

         *

         * @param q entero que representa el tipo de calidad elegido.

         */

        public void setQuality(int q) {

                m_quality = q;

        }

        /**

         * Devuelve la calidad que est? seleccionada.

         *

         * @return entero que representa la calidad seleccionada.

         */

        public int getQuality() {

                return m_quality;

        }

        /**

         * Devuelve un entero que representa la forma en que se actualiza la vista.

         *

         * @return forma que se actualiza la vista.

         */

        public int getViewing() {

                return m_viewing;

        }

        /**

         * Rellena la forma de actualizar la vista.

         *

         * @param v entero que representa la forma de actualizar la vista.

         */

        public void setViewing(int v) {

                m_viewing = v;

        }

        /**

         * Rellena el nombre de la imagen.

         *

         * @param path nombre de la imagen.

         */

        public void setPath(String path) {

                m_path = path;

        }

        /**

         * Devuelve la ruta del fichero.

         *

         * @return String

         */

        public String getPath() {

                return m_path;

        }

        /**

         * Rellena la imagen.

         *

         * @param image

         */

        public void setImage(BufferedImage image) {

                m_image = image;

        }

        /**

         * @throws SaveException 

         * @see com.iver.cit.gvsig.gui.layout.fframes.IFFrame#getXMLEntity()

         */

        public XMLEntity getXMLEntity() throws SaveException {

                XMLEntity xml = new XMLEntity();

                try{

                xml.putProperty("className", this.getClass().getName());

                xml.putProperty("m_name", m_name);

                xml.putProperty("x", getBoundBox().x);

                xml.putProperty("y", getBoundBox().y);

                xml.putProperty("w", getBoundBox().width);

                xml.putProperty("h", getBoundBox().height);

                xml.putProperty("m_Selected", m_Selected);

                xml.putProperty("type", Layout.RECTANGLEPICTURE);

                xml.putProperty("m_path", m_path);

                xml.putProperty("m_quality", m_quality);

                xml.putProperty("m_viewing", m_viewing);

                xml.putProperty("tag", getTag());

                xml.putProperty("m_rotation",getRotation());

                }catch (Exception e) {

                        throw new SaveException(e,this.getClass().getName());

                }

                return xml;

        }

        /**

         * Devuelve la dimensi?n dela imagen.

         *

         * @param file Nombre del fichero donde se encuentra la imagen.

         *

         * @return DOCUMENT ME!

         */

        public Dimension getBound(String file) {

                Image img = load(file);

                if (isSVG) {

                        return new Dimension(100, 100);

                }

                if (img==null){

                        return new Dimension((int)getBoundingBox(null).getWidth(),(int)getBoundingBox(null).getHeight());

                }

                return new Dimension(img.getWidth(null), img.getHeight(null));

        }

        /**

         * Carga el contnido del fichero.

         *

         * @param file Nombre del fichero a cargar.

         *

         * @return Imagen

         */

        public Image load(String file) {

                ImageIcon tmpIcon = null;

                if (file==null)return null;

                String iString = file.toLowerCase();

                if (iString.endsWith("jpg") || iString.endsWith("jpeg") ||

                                iString.endsWith("gif")) {

                        tmpIcon = new ImageIcon(Jimi.getImage(file, Jimi.VIRTUAL_MEMORY)); //((File)main.allImages.elementAt(x)).getAbsolutePath());

                } else if (iString.endsWith("png") || iString.endsWith("tif") ||

                                iString.endsWith("ico") || iString.endsWith("xpm") ||

                                iString.endsWith("bmp")) {

                        tmpIcon = new ImageIcon(Jimi.getImage(file, Jimi.VIRTUAL_MEMORY)); //new ImageIcon(f.getPath());

                } else if (iString.endsWith("svg")) {

                        isSVG = true;

                        obtainStaticRenderer(new File(file));

                }

                if (!isSVG && tmpIcon!=null) {

                        Image image = tmpIcon.getImage();

                        setPath(file);

                        BufferedImage bi = new BufferedImage((int) image.getWidth(null),

                                        (int) image.getHeight(null), BufferedImage.TYPE_INT_ARGB);

                        Graphics2D biContext = bi.createGraphics();

                        biContext.drawImage(image, 0, 0, null);

                        setImage(bi);

                        return image;

                }

                return null;

        }

        /**

         * Obtiene el renderer para svg a partir del svg.

         *

         * @param file Nombre del fichero.

         */

        private void obtainStaticRenderer(File file) {

                try {

                        UserAgentAdapter userAgent = new UserAgentAdapter();

                        DocumentLoader loader = new DocumentLoader(userAgent);

                        BridgeContext ctx = new BridgeContext(userAgent, loader);

                        Document svgDoc = loader.loadDocument(file.toURI().toString());

                        gvtRoot = gvtBuilder.build(ctx, svgDoc);

                        renderer.setTree(gvtRoot);

                        elt = ((SVGDocument) svgDoc).getRootElement();

                } catch (Exception ex) {

                        ex.printStackTrace();

                }

        }

        /**

         * Incorpora los atributos del XMLEntity en el objeto actual.

         *

         * @param xml XMLEntity

         * @param l Referencia al Layout.

         */

        public void setXMLEntity03(XMLEntity xml, Layout l) {

                if (xml.getIntProperty("m_Selected") != 0) {

                        this.setSelected(true);

                } else {

                        this.setSelected(false);

                }

                this.m_path = xml.getStringProperty("m_path");

                try {

                        load(this.m_path);

                } catch (Exception ex) {

                        NotificationManager.addError("Excepci?n :", ex);

                }

                this.m_quality = xml.getIntProperty("m_quality");

                this.m_viewing = xml.getIntProperty("m_viewing");

        }

        /**

         * Incorpora los atributos del XMLEntity en el objeto actual.

         *

         * @param xml XMLEntity

         * @param l Referencia al Layout.

         */

        public void setXMLEntity(XMLEntity xml) {

                if (xml.getIntProperty("m_Selected") != 0) {

                        this.setSelected(true);

                } else {

                        this.setSelected(false);

                }

                this.m_path = xml.getStringProperty("m_path");

                try {

                        load(this.m_path);

                } catch (Exception ex) {

                        NotificationManager.addError("Excepci?n :", ex);

                }

                this.m_quality = xml.getIntProperty("m_quality");

                this.m_viewing = xml.getIntProperty("m_viewing");

                setRotation(xml.getDoubleProperty("m_rotation"));

        }

        /**

         * @see com.iver.cit.gvsig.gui.layout.fframes.IFFrame#getNameFFrame()

         */

        public String getNameFFrame() {

                return PluginServices.getText(this, "imagen") + num;

        }

        /**

         * @see com.iver.cit.gvsig.gui.layout.fframes.IFFrame#print(java.awt.Graphics2D,

         *                 java.awt.geom.AffineTransform)

         */

        public void print(Graphics2D g, AffineTransform at)

                throws DriverException {

                draw(g, at, null, null);

        }

        public void initialize() {

                // TODO Auto-generated method stub

        }

}