gvsig-raster / org.gvsig.raster.georeferencing / trunk / org.gvsig.raster.georeferencing / org.gvsig.raster.georeferencing.swing / org.gvsig.raster.georeferencing.swing.impl / src / main / java / org / gvsig / raster / georeferencing / swing / impl / layer / GCPsGraphicLayer.java @ 1725
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.raster.georeferencing.swing.impl.layer; |
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import java.awt.Cursor; |
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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.Toolkit; |
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import java.awt.event.MouseEvent; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import javax.swing.ImageIcon; |
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import org.gvsig.raster.georeferencing.swing.GCPList; |
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import org.gvsig.raster.georeferencing.swing.impl.view.CanvasZone; |
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import org.gvsig.raster.georeferencing.swing.view.IGraphicLayer; |
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import org.gvsig.raster.georeferencing.swing.view.ToolEvent; |
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import org.gvsig.raster.georeferencing.swing.view.ToolListener; |
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/**
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* Capa gr?fica que se dibuja sobre un ZoomControl y que dibuja
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* una lista de puntos de control.
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* 22/12/2007
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class GCPsGraphicLayer implements IGraphicLayer { |
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public boolean active = true; |
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//Operaciones sobre los puntos de control
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private static final int NONE = -1; |
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private static final int MOVE = 0; |
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private GCPList pointList = null; |
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private int type = GPGraphic.MAP; |
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private Image icoBlue = null; |
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private Image icoRed = null; |
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private CanvasZone canvas = null; |
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private int operation = NONE; |
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//Punto de control sobre el que se realiza la operaci?n
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private GPGraphic operanteGP = null; |
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private GPGraphic lastGP = null; |
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//Listener para que objetos externos sean informados de las acciones de la capa
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private ToolListener listener = null; |
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private boolean sleepActive = false; |
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/**
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* Constructor. Asigna el tipo de punto a dibujar en la
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* capa gr?fica.
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* @param type El valor de type viene definido por las constantes de GPGraphic
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* @param listener Listener para acciones de finalizaci?n de la operaci?n de mover punto
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*/
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public GCPsGraphicLayer(int type, ToolListener listener, GCPList pointList) { |
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this.type = type;
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this.pointList = pointList;
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this.listener = listener;
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try {
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icoBlue = new ImageIcon(getClass().getClassLoader().getResource("images/icoBlue.png")).getImage(); |
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icoRed = new ImageIcon(getClass().getClassLoader().getResource("images/icoRed.png")).getImage(); |
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} catch (NullPointerException e) { |
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} |
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} |
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/**
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* A?ade un punto de control gr?fico a la lista. Se hace una distinci?n entre MapGeoPoint
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* y RasterGeoPoint para el calculo de las coordenadas de la vista donde se dibuja. Si es
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* de tipo map se utilizar?n la informaci?n de coordenadas reales contenidas en el objeto
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* GeoPoint para transformarlas a coordenadas de la visualizaci?n.
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*
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* @param gp Punto de control
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* @param id identificador del punto de control
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*/
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/*public void addMapGeoPoint(GeoPoint gp, long id) {
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GPGraphic graphicGCP = new GPGraphic(GPGraphic.MAP, gp);
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graphicGCP.setId(id);
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Point2D p = canvas.viewCoordsFromWorld(gp.getMapPoint());
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graphicGCP.setDrawCoords(p);
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pointList.add(graphicGCP);
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}*/
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/**
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* A?ade un punto de control gr?fico a la lista. Se hace una distinci?n entre MapGeoPoint
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* y RasterGeoPoint para el calculo de las coordenadas de la vista donde se dibuja. Si es
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* de tipo raster se utilizar?n la informaci?n de coordenadas pixel contenidas en el objeto
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* GeoPoint para transformarlas a coordenadas de la visualizaci?n.
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*
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* @param gp Punto de control
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* @param id identificador del punto de control
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*/
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/*public void addPixelGeoPoint(GeoPoint gp, long id) {
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GPGraphic graphicGCP = new GPGraphic(GPGraphic.PIXEL, gp);
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graphicGCP.setId(id);
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Point2D p = canvas.viewCoordsFromWorld(gp.getPixelPoint());
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graphicGCP.setDrawCoords(p);
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pointList.add(graphicGCP);
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}*/
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/**
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* Elimina un punto de la lista a partir de su posici?n
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* @param position
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* @return
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*/
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/*public boolean removePixelGeoPoint(int position) {
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try {
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pointList.remove(position);
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return true;
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} catch (IndexOutOfBoundsException e) {
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return false;
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}
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}*/
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/**
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* Elimina todos los puntos de la capa
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*/
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/*public void removeAllPoints() {
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pointList.clear();
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}*/
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/**
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* Recalcula las coordenadas de dibujado
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*/
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/*public void recalcDrawCoordinates() {
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for (int i = 0; i < pointList.size(); i++) {
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GPGraphic gp = ((GPGraphic)pointList.getGraphicPoint(i));
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Point2D p1 = gp.getGeoPoint().getPixelPoint();
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Point2D p2 = gp.getGeoPoint().getMapPoint();
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p1 = canvas.viewCoordsFromWorld(p1);
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p2 = canvas.viewCoordsFromWorld(p2);
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gp.setDrawCoordsForPixelViews(p1);
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gp.setDrawCoordsForMapViews(p2);
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}
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}*/
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/**
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* Obtiene el identificador del punto requerido
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* @param pos Posici?n del punto en la capa
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* @return
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*/
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public long getID(int pos) { |
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try {
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return ((GPGraphic)pointList.getGraphicPoint(pos)).getId();
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}catch (ArrayIndexOutOfBoundsException e) { |
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return -1; |
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} |
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} |
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/**
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* Asigna el canvas
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* @param canvas
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*/
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public void setCanvas(CanvasZone canvas) { |
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canvas.addMouseMotionListener(this);
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canvas.addMouseListener(this);
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this.canvas = canvas;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.rastertools.georeferencing.ui.zoom.IGraphicLayer#draw(java.awt.Graphics2D, org.gvsig.raster.datastruct.Extent, int, int)
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*/
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public void draw(Graphics2D g, Rectangle2D ext, int w, int h) { |
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for (int i = 0; i < pointList.size(); i++) |
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((GPGraphic)pointList.getGraphicPoint(i)).draw(g, type, canvas); |
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} |
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/**
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* Asigna el flag que muestra u oculta la etiqueta del punto
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* @param showLabel true para mostrar la etiqueta y false para ocultarla
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*/
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public void setShowLabel(boolean showLabel) { |
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for (int i = 0; i < pointList.size(); i++) |
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((GPGraphic)pointList.getGraphicPoint(i)).setShowLabel(showLabel); |
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} |
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/**
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* Asigna el flag que muestra u oculta el n?mero del punto
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* @param showLabel true para mostrar el punto y false para ocultarlo
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*/
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/*public void setShowNumber(boolean showNumber) {
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for (int i = 0; i < pointList.size(); i++)
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((GPGraphic)pointList.getGraphicPoint(i)).setShowNumber(showNumber);
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}*/
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/**
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* Obtiene el punto de la posici?n indicada por el par?metro pos
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* @param pos Posici?n del punto
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* @return GPGraphic
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*/
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public GPGraphic getPoint(int pos) { |
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try {
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return ((GPGraphic)pointList.getGraphicPoint(pos));
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} catch (IndexOutOfBoundsException e) { |
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return null; |
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} |
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} |
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/**
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* Obtiene la lista de puntos
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* @return ArrayList
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*/
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public GCPList getPointList() {
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return pointList;
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
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*/
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public void mouseClicked(MouseEvent e) { |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
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*/
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public void mouseEntered(MouseEvent e) { |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
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*/
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public void mouseExited(MouseEvent e) { |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
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*/
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public void mousePressed(MouseEvent e) { |
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} |
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/**
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* Cuando se suelta el bot?n del rat?n despu?s de haber arrastrado volvemos
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* a dibujar el punto pero en la nueva ubicaci?n. Finalmente desactivamos la operaci?n de
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* mover punto y ponemos el punto sobre el que operamos a null.
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*/
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public void mouseReleased(MouseEvent e) { |
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if(!isActive() || getOperation() != MOVE)
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return;
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operanteGP.setDraw(true);
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Point2D point = canvas.viewCoordsToWorld(e.getPoint());
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switch(type) {
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case GPGraphic.MAP: operanteGP.getGeoPoint().setMapPoint(point); break; |
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case GPGraphic.PIXEL: operanteGP.getGeoPoint().setPixelPoint(point); break; |
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} |
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canvas.setCursor(new Cursor(Cursor.DEFAULT_CURSOR)); |
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operanteGP = null;
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setOperation(NONE); |
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if(listener != null) |
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listener.endAction(new ToolEvent(this)); |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)
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*/
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public void mouseDragged(MouseEvent e) { |
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if(!isActive())
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return;
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if(getOperation() == MOVE) {
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operanteGP.setDraw(false);
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if(type == GPGraphic.PIXEL && icoRed != null) |
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canvas.setCursor(Toolkit.getDefaultToolkit().createCustomCursor(icoRed, new Point(16, 16), "")); |
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if(type == GPGraphic.MAP && icoBlue != null) |
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canvas.setCursor(Toolkit.getDefaultToolkit().createCustomCursor(icoBlue, new Point(16, 16), "")); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.MouseMotionListener#mouseMoved(java.awt.event.MouseEvent)
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*/
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public void mouseMoved(MouseEvent e) { |
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if(!isActive())
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return;
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setOperation(NONE); |
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for (int i = 0; i < pointList.size(); i++) { |
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GPGraphic gp = ((GPGraphic)pointList.getGraphicPoint(i)); |
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int pxLeft = 0, pxRight = 0, pyUp = 0, pyDown = 0; |
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if(type == GPGraphic.PIXEL) {
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pxLeft = (int)gp.getGeoPoint().getPixelPoint().getX() - 4; |
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pxRight = (int)gp.getGeoPoint().getPixelPoint().getX() + 4; |
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pyUp = (int)gp.getGeoPoint().getPixelPoint().getY() - 4; |
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pyDown = (int)gp.getGeoPoint().getPixelPoint().getY() + 4; |
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} |
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if(type == GPGraphic.MAP) {
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pxLeft = (int)gp.getGeoPoint().getMapPoint().getX() - 4; |
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pxRight = (int)gp.getGeoPoint().getMapPoint().getX() + 4; |
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pyUp = (int)gp.getGeoPoint().getMapPoint().getY() - 4; |
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pyDown = (int)gp.getGeoPoint().getMapPoint().getY() + 4; |
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} |
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if(e.getX() >= pxLeft && e.getX() <= pxRight && e.getY() >= pyUp && e.getY() <= pyDown) {
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lastGP = operanteGP = gp; |
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setOperation(MOVE); |
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} |
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} |
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} |
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/**
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* Obtiene la operaci?n sobre el cursor que hay seleccionada
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* @return Entero que representa a la operaci?n
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*/
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private int getOperation() { |
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return operation;
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} |
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/**
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* Asigna la operaci?n sobre el cursor que hay seleccionada
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* @param op
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*/
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private void setOperation(int op) { |
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operation = op; |
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if(op == NONE)
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listener.offTool(new ToolEvent(this)); |
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else
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listener.onTool(new ToolEvent(this)); |
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} |
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/**
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* Consulta si est? activo el evento de pinchado y arrastrado de los puntos de
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* control.
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* @return
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*/
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public boolean isActive() { |
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return active;
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} |
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/**
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* Asigna el flag que activa y desactiva el evento de pinchado y arrastrado
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* de los puntos de control.
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* @param activeEvent
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*/
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public void setActive(boolean active) { |
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this.active = active;
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} |
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/**
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* Desactiva la herramienta temporalmente. Guarda el estado en el que estaba
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* para restaurarlo cuando se invoque a awake
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*/
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public void sleep() { |
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sleepActive = active; |
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active = false;
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} |
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/**
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* Recupera el estado de activaci?n que ten?a antes de la ?ltima invocaci?n
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* de sleep
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*/
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public void awake() { |
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active = sleepActive; |
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} |
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/**
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* Obtiene el ?ltimo punto arrastrado
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* @return GPGraphic
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*/
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public GPGraphic getLastPoint() {
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return lastGP;
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} |
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} |