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 / view / ViewPanelImpl.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.view; |
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import java.awt.BorderLayout; |
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import java.awt.event.ComponentEvent; |
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import java.awt.event.ComponentListener; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import org.gvsig.raster.georeferencing.swing.impl.layer.ZoomCursorGraphicLayer; |
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import org.gvsig.raster.georeferencing.swing.view.IViewRequestManager; |
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import org.gvsig.raster.georeferencing.swing.view.IGraphicLayer; |
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import org.gvsig.raster.georeferencing.swing.view.ToolListener; |
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import org.gvsig.raster.georeferencing.swing.view.ViewListener; |
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import org.slf4j.LoggerFactory; |
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/**
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* Panel que contiene el panel con la vista a georreferenciar
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*
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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 ViewPanelImpl extends BaseZoomView implements ComponentListener { |
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private static final long serialVersionUID = 1L; |
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private ZoomCursorGraphicLayer zoomCursorGraphic = null; |
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private ToolListener zoomCursorGraphicListener = null; |
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private boolean rightSideButtons = true; |
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/**
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* Constructor.
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* Crea la composici?n de controles de zoom.
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* @param posX Posici?n en X
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* @param posY Posici?n en Y
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* @param w Tama?o en pixeles de ancho
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* @param h Tama?o en pixeles de alto
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*/
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public ViewPanelImpl(ToolListener zoomCursorGraphicListener, boolean rightSideButtons) { |
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this.zoomCursorGraphicListener = zoomCursorGraphicListener;
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this.rightSideButtons = rightSideButtons;
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init(); |
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} |
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/**
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* Inicializaci?n de los componentes gr?ficos
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*/
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private void init() { |
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setLayout(new BorderLayout()); |
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add(getControl(), BorderLayout.CENTER);
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getZoomCursorGraphicLayer(); |
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} |
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/**
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* Asigna el listener de eventos de la vista
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* @param listener
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*/
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public void setViewListener(ViewListener listener) { |
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getControl().setViewListener(listener); |
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} |
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/**
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* Asigna el valor para el flag minxMaxyUL. Este flag informa de que la esquina
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* superior izquierda corresponde con el valor de m?nimo X y m?ximo Y. En caso
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* de ser false esta esquina ser?a de m?nimo X y m?nimo Y.
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* @param v
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*/
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public void setMinxMaxyUL(boolean v) { |
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getCanvas().setMinxMaxyUL(v); |
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} |
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public boolean getMinxMaxyUL() { |
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return getCanvas().getMinxMaxyUL();
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} |
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/**
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* Asigna un nuevo centro de visualizaci?n. Vuelve a realizar la petici?n
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* @param center
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*/
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public void setCenter(Point2D center) { |
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//TODO: Calcular las coordenadas del cursor gr?fico
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getControl().setCenter(center); |
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} |
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/**
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* Asigna los par?metros de dibujado para el raster
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* @param img Buffer con un ?rea de datos
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* @param ext Rectangle2D del ?rea de datos dada
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* @param pixelSize Tama?o de pixel
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* @param center Punto del ?rea de datos donde se quiere centrar el dibujado del buffer
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*/
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public void setDrawParams(BufferedImage img, Rectangle2D ext, double pixelSize, Point2D center) { |
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getControl().setDrawParams(img, ext, pixelSize, center) ; |
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} |
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/**
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* Obtiene el panel de control de zoom de coordenadas pixel
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* @return
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*/
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public ViewControl getControl() {
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if(zoomPixelControl == null) { |
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if(rightSideButtons)
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zoomPixelControl = new ViewControl(ViewControl.RIGHT_CONTROL, this); |
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else
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zoomPixelControl = new ViewControl(ViewControl.LEFT_CONTROL, this); |
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zoomPixelControl.addComponentListener(this);
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} |
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return zoomPixelControl;
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} |
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/**
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* Registra un objeto IExtensionRequest para que no se aplique un escalado sobre
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* el buffer pasado por par?metro. Alternativamente a la aplicaci?n de este escalado
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* se ejecutar? el m?todo request del interfaz para que el cliente pueda pasar un
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* nuevo buffer con escala 1:1 y con la extensi?n correspondiente al zoom.
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* @param er
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*/
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public void setRequestListener(IViewRequestManager er) { |
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zoomPixelControl.setExtensionRequest(er); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.rastertools.georeferencing.view.BaseZoomView#addGraphicLayer(org.gvsig.rastertools.georeferencing.ui.zoom.IGraphicLayer)
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*/
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public void addGraphicLayer(IGraphicLayer graphicLayer) { |
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getControl().setGraphicLayer(graphicLayer); |
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} |
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/**
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* Obtiene el la capa gr?fica con la ventana de zoom
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* @return
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*/
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public ZoomCursorGraphicLayer getZoomCursorGraphicLayer() {
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if(zoomCursorGraphic == null) { |
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zoomCursorGraphic = new ZoomCursorGraphicLayer(getWidth() / 2, getHeight() / 2, 12, 6, zoomCursorGraphicListener); |
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zoomCursorGraphic.setCanvas(getControl().getCanvas()); |
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getControl().setGraphicLayer(zoomCursorGraphic); |
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} |
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return zoomCursorGraphic;
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} |
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/**
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* Asigna la posici?n del cursor en el canvas
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* @param x Posici?n en X
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* @param y Posici?n en Y
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*/
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public void setCursorPosition(int x, int y) { |
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getZoomCursorGraphicLayer().setCursorPosition(x, y); |
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} |
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/**
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* Asigna el tama?o del cursor en pixeles del canvas
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* @param w Ancho
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* @param h Alto
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*/
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public void setCursorSize(int w, int h) { |
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getZoomCursorGraphicLayer().setCursorSize(w, h); |
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} |
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/**
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* Activa o desactiva el mostrado de informaci?n
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* @param showInfo
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*/
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public void setShowInfo(boolean show) { |
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zoomPixelControl.getCanvas().setShowInfo(show); |
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} |
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/**
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* Obtiene las coordenadas de la ventana de zoom. Las coordenadas son devueltas
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* en referencia a las coordenadas del mundo.
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* @return
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*/
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public Rectangle2D getCursorWorldCoordinates() { |
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Rectangle2D r = getZoomCursorGraphicLayer().getCursorViewCoordinates();
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Point2D p1 = zoomPixelControl.getCanvas().viewCoordsToWorld(new Point2D.Double(r.getX(), r.getY())); |
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Point2D p2 = zoomPixelControl.getCanvas().viewCoordsToWorld(new Point2D.Double(r.getX() + r.getWidth(), r.getY() + r.getHeight())); |
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return new Rectangle2D.Double( Math.min(p1.getX(), p2.getX()), |
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Math.max(p1.getY(), p2.getY()),
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Math.abs(p2.getX() - p1.getX()),
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Math.abs(p2.getY() - p1.getY()));
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} |
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/**
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* Obtiene las coordenadas de la ventana de zoom. Las coordenadas son devueltas
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* en referencia a las coordenadas del mundo. Esta llamada ajusta el tama?o de la ventana a la
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* proporci?n pasada por par?metro. Es decir, si pasamos una proporci?n en la que el ancho es 3 veces
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* mayor que el alto se ajustar? el zoom a esta proporci?n ya que presupone que la ventana de
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* destino del zoom va a tener esas proporciones.
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* @return
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*/
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public Rectangle2D getCursorAdjustedWorldCoordinates(int wWindow, int hWindow) { |
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Rectangle2D r = getZoomCursorGraphicLayer().getCursorViewCoordinates();
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double x = r.getX(), y = r.getY(), w = r.getWidth(), h = r.getHeight();
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try {
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if(wWindow < hWindow) { //Si la de destino es m?s alta que ancha |
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if((r.getWidth() / r.getHeight()) >= (wWindow / hWindow)) {
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h = (hWindow * r.getWidth()) / wWindow; |
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y = r.getCenterY() - (h / 2);
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} else {
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w = (wWindow * r.getHeight()) / hWindow; |
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x = r.getCenterX() - (w / 2);
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} |
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} else { //Si la de destino es m?s ancha que alta |
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if((r.getWidth() / r.getHeight()) <= (wWindow / hWindow)) {
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w = (wWindow * r.getHeight()) / hWindow; |
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x = r.getCenterX() - (w / 2);
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} else {
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h = (hWindow * r.getWidth()) / wWindow; |
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y = r.getCenterY() - (h / 2);
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} |
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} |
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}catch(ArithmeticException ex) { |
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LoggerFactory.getLogger(ViewPanelImpl.class).debug("Redimensi?n de las ventanas. La altura de estas es menor que cero", this, ex); |
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return r;
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} |
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if(zoomPixelControl.getCanvas().getMinxMaxyUL())
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r = new Rectangle2D.Double(x, y + h, w, h); |
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else
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r = new Rectangle2D.Double(x, y - h, w, h); |
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Point2D p1 = zoomPixelControl.getCanvas().viewCoordsToWorld(new Point2D.Double(r.getX(), r.getY())); |
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Point2D p2 = zoomPixelControl.getCanvas().viewCoordsToWorld(new Point2D.Double(r.getX() + r.getWidth(), r.getY() + r.getHeight())); |
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return new Rectangle2D.Double( Math.min(p1.getX(), p2.getX()), |
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Math.max(p1.getY(), p2.getY()),
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Math.abs(p2.getX() - p1.getX()),
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Math.abs(p2.getY() - p1.getY()));
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} |
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/**
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* Obtiene el extent del canvas en coordenadas del mundo real
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* @return Rectangle2D
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*/
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public Rectangle2D getViewExtent() { |
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return zoomPixelControl.getCanvas().getExtent();
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} |
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public void componentHidden(ComponentEvent e) { |
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} |
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public void componentMoved(ComponentEvent e) { |
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} |
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public void componentResized(ComponentEvent e) { |
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zoomPixelControl.reload(); |
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} |
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public void componentShown(ComponentEvent e) { |
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} |
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} |
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