svn-gvsig-desktop / tags / Root_v06 / applications / appgvSIG / src / com / iver / cit / gvsig / gui / layout / FLayoutZooms.java @ 4811
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/*
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* Created on 17-sep-2004
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*
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*/
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.gui.layout; |
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import com.iver.cit.gvsig.gui.layout.fframes.FFrameView; |
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import com.iver.cit.gvsig.gui.layout.fframes.IFFrame; |
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import java.awt.Point; |
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import java.awt.Toolkit; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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/**
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* Clase contenedora de los m?todos para cambiar los zooms.
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*
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* @author Vicente Caballero Navarro
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*/
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public class FLayoutZooms { |
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private Layout layout = null; |
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private FLayoutFunctions functions = null; |
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/**
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* Crea un nuevo Zooms.
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*
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* @param l Mapa sobre el que se actua.
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*/
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public FLayoutZooms(Layout l) {
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layout = l; |
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functions = new FLayoutFunctions(layout);
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} |
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/**
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* Realiza un zoom por rect?ngulo o por punto con un escalado por defecto
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* sobre el Layout que se le pasa como par?metro.
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*
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* @param p1 punto de inicio del rect?ngulo.
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* @param p2 punto final del rec?ngulo.
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*/
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public void setZoomIn(Point p1, Point p2) { |
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/*if (p1.y != p2.y) {
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double points = (p2.getX() - p1.getX()) / (p2.getY() - p1.getY());
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double window = (double) layout.getWidth() / (double)layout.getHeight();
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if (points < window) {
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p2.x = (int) (p1.x + ((p2.x - p1.x) * window));
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}
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}
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*/
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if (p1.getX()>p2.getX()){
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int aux=p2.x;
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p2.x=p1.x; |
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p1.x=aux; |
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} |
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if (p1.getY()>p2.getY()){
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int aux=p2.y;
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p2.y=p1.y; |
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p1.y=aux; |
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} |
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Point2D.Double pSheet1 = FLayoutUtilities.toSheetPoint(new Point2D.Double( |
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p1.getX(), p1.getY()), layout.getAT()); |
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Point2D.Double pSheet2 = FLayoutUtilities.toSheetPoint(new Point2D.Double( |
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p2.getX(), p2.getY()), layout.getAT()); |
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double xmin;
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double xmax;
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double ymin;
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double ymax = 0; |
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if (pSheet1.x > pSheet2.x) {
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xmin = pSheet2.x; |
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xmax = pSheet1.x; |
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} else {
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xmin = pSheet1.x; |
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xmax = pSheet2.x; |
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} |
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if (pSheet1.y > pSheet2.y) {
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ymin = pSheet2.y; |
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ymax = pSheet1.y; |
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} else {
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ymin = pSheet1.y; |
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ymax = pSheet2.y; |
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} |
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Rectangle2D.Double rScreen = new Rectangle2D.Double(); |
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Rectangle2D.Double rSheet = new Rectangle2D.Double(); |
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double x = FLayoutUtilities.toSheetDistance(layout.getRect().getX(),
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layout.getAT()); |
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double y = FLayoutUtilities.toSheetDistance(layout.getRect().getY(),
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layout.getAT()); |
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double w = FLayoutUtilities.toSheetDistance(layout.getRect().getWidth(),
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layout.getAT()); |
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double h = FLayoutUtilities.toSheetDistance(layout.getRect().getHeight(),
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layout.getAT()); |
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if (java.lang.Math.abs(layout.getFirstPoint().x - p2.x) < 4) { |
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double difw = 2; |
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rSheet.x = (-pSheet2.getX() * difw) - x + |
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FLayoutUtilities.toSheetDistance(layout.getWidth() / 2,
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layout.getAT()); |
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rSheet.y = (-pSheet2.getY() * difw) - y + |
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FLayoutUtilities.toSheetDistance(layout.getHeight() / 2,
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layout.getAT()); |
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rSheet.width = w * difw; |
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rSheet.height = h * difw; |
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rScreen.setRect(FLayoutUtilities.fromSheetRect(rSheet, |
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layout.getAT())); |
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} else {
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double wv = FLayoutUtilities.toSheetDistance(layout.getVisibleRect()
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.getWidth(), |
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layout.getAT()); |
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double hv = FLayoutUtilities.toSheetDistance(layout.getVisibleRect()
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.getHeight(), |
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layout.getAT()); |
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double mw = xmax - xmin;
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double mh = ymax - ymin;
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double difw = wv / mw;
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double difh = hv / mh;
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if (difw < difh) {
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rSheet.x = (-xmin * difw) - x + |
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((wv - ((pSheet2.getX() - pSheet1.getX()) * difw)) / 2);
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rSheet.y = (-ymin * difw) - y + |
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((hv - ((pSheet2.getY() - pSheet1.getY()) * difw)) / 2);
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rSheet.width = w * difw; |
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rSheet.height = h * difw; |
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} else {
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rSheet.x = (-xmin * difh) - x + |
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((wv - ((pSheet2.getX() - pSheet1.getX()) * difh)) / 2);
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rSheet.y = (-ymin * difh) - y + |
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((hv - ((pSheet2.getY() - pSheet1.getY()) * difh)) / 2);
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rSheet.width = w * difh; |
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rSheet.height = h * difh; |
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} |
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rScreen.setRect(FLayoutUtilities.fromSheetRect(rSheet, |
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layout.getAT())); |
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} |
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if (FLayoutUtilities.isPosible(rScreen)) {
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layout.getRect().setRect(rScreen); |
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} |
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} |
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/**
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* Realiza un zoom out sobre el Layout que se le pasa como par?metro.
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*
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* @param p2 punto final del rec?ngulo.
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*/
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public void setZoomOut(Point p2) { |
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Point2D.Double pSheet2 = FLayoutUtilities.toSheetPoint(new Point2D.Double( |
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p2.getX(), p2.getY()), layout.getAT()); |
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Rectangle2D.Double rScreen = new Rectangle2D.Double(); |
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Rectangle2D.Double rSheet = new Rectangle2D.Double(); |
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double difw = 0.5; |
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rSheet.x = (-pSheet2.getX() * difw) - |
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FLayoutUtilities.toSheetDistance(layout.getRect().getX(), |
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layout.getAT()) + |
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FLayoutUtilities.toSheetDistance(layout.getWidth() / 2,
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layout.getAT()); |
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rSheet.y = (-pSheet2.getY() * difw) - |
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FLayoutUtilities.toSheetDistance(layout.getRect().getY(), |
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layout.getAT()) + |
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FLayoutUtilities.toSheetDistance(layout.getHeight() / 2,
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layout.getAT()); |
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rSheet.width = FLayoutUtilities.toSheetDistance(layout.getRect() |
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.getWidth(), |
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layout.getAT()) * difw; |
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rSheet.height = FLayoutUtilities.toSheetDistance(layout.getRect() |
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.getHeight(), |
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layout.getAT()) * difw; |
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rScreen.setRect(FLayoutUtilities.fromSheetRect(rSheet, layout.getAT())); |
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if (FLayoutUtilities.isPosible(rScreen)) {
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layout.getRect().setRect(rScreen); |
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} |
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} |
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/**
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* Realiza un zoom out sobre el Layout que se le pasa como par?metro.
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*
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* @param dif punto de inicio del rect?ngulo.
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* @param p2 punto final del rec?ngulo.
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*/
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public void setZoom(double dif, Point p2) { |
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Point2D.Double pSheet2 = FLayoutUtilities.toSheetPoint(new Point2D.Double( |
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p2.getX(), p2.getY()), layout.getAT()); |
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Rectangle2D.Double rScreen = new Rectangle2D.Double(); |
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Rectangle2D.Double rSheet = new Rectangle2D.Double(); |
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double difw = dif;
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rSheet.x = (-pSheet2.getX() * difw) - |
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FLayoutUtilities.toSheetDistance(layout.getRect().getX(), |
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layout.getAT()) + |
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FLayoutUtilities.toSheetDistance(layout.getWidth() / 2,
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layout.getAT()); |
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rSheet.y = (-pSheet2.getY() * difw) - |
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FLayoutUtilities.toSheetDistance(layout.getRect().getY(), |
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layout.getAT()) + |
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FLayoutUtilities.toSheetDistance(layout.getHeight() / 2,
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layout.getAT()); |
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rSheet.width = FLayoutUtilities.toSheetDistance(layout.getRect() |
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.getWidth(), |
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layout.getAT()) * difw; |
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rSheet.height = FLayoutUtilities.toSheetDistance(layout.getRect() |
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.getHeight(), |
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layout.getAT()) * difw; |
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rScreen.setRect(FLayoutUtilities.fromSheetRect(rSheet, layout.getAT())); |
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if (FLayoutUtilities.isPosible(rScreen)) {
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layout.getRect().setRect(rScreen); |
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} |
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} |
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/**
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* Realiza un zoom a escala 1:1.
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*/
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public void realZoom() { |
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double cm = layout.getAtributes().getPixXCm(layout.getRect());
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Toolkit kit = Toolkit.getDefaultToolkit(); |
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int resolution = kit.getScreenResolution();
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double dif = (cm * Attributes.PULGADA) / resolution; |
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setZoom(1 / dif,
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new Point(layout.getWidth() / 2, layout.getHeight() / 2)); |
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layout.setStatus(Layout.DESACTUALIZADO); |
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layout.repaint(); |
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} |
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/**
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* Realiza un zoom m?s a partir del punto central de pantalla.
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*/
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public void zoomIn() { |
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setZoom(2, new Point(layout.getWidth() / 2, layout.getHeight() / 2)); |
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layout.setStatus(Layout.DESACTUALIZADO); |
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layout.repaint(); |
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} |
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/**
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* Realiza un zoom menos a partir del punto central de pantalla.
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*/
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public void zoomOut() { |
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setZoom(0.5, new Point(layout.getWidth() / 2, layout.getHeight() / 2)); |
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layout.setStatus(Layout.DESACTUALIZADO); |
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layout.repaint(); |
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} |
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/**
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* Realiza un zoom a los elementos que esten seleccionados, si no hay
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* ning?n elemento seleccionado no realiza ning?n zoom
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*/
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public void zoomSelect() { |
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Rectangle2D.Double recaux = null; |
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for (int i = 0; i < layout.getFFrames().size(); i++) { |
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if (((IFFrame) layout.getFFrames().get(i)).getSelected() != IFFrame.NOSELECT) {
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if (recaux == null) { |
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recaux = ((IFFrame) layout.getFFrames().get(i)).getBoundingBox(layout.getAT()); |
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} else {
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recaux.add(((IFFrame) layout.getFFrames().get(i)).getBoundingBox( |
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layout.getAT())); |
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} |
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} |
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} |
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if (recaux != null) { |
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Point p1 = new Point((int) recaux.x, (int) recaux.y); |
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Point p2 = new Point((int) recaux.getMaxX(), (int) recaux.getMaxY()); |
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setZoomIn(p1, p2); |
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layout.setStatus(Layout.DESACTUALIZADO); |
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layout.repaint(); |
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} |
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} |
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/**
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* Realiza un zoom m?s sobre la vista del FFrameView seleccionado.
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*
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* @param p1 punto inicial.
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* @param p2 punto final.
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*/
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public void setViewZoomIn(Point2D p1, Point2D p2) { |
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for (int i = 0; i < layout.getFFrames().size(); i++) { |
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if (layout.getFFrames().get(i) instanceof FFrameView) { |
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FFrameView fframe = (FFrameView) layout.getFFrames().get(i); |
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if (fframe.getSelected() != IFFrame.NOSELECT) {
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p1 = functions.toMapPoint(p1, fframe.getAt()); |
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p2 = functions.toMapPoint(p2, fframe.getAt()); |
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// Borramos el anterior
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layout.setStatus(Layout.DESACTUALIZADO); |
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if (java.lang.Math.abs(p1.getX() - p2.getX()) <= 3) { |
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double nuevoX;
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double nuevoY;
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double cX;
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double cY;
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cX = p2.getX(); |
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cY = p2.getY(); |
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double factor = 0.6; |
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Rectangle2D.Double r = new Rectangle2D.Double(); |
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nuevoX = cX - |
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((fframe.getFMap().getViewPort().getExtent() |
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.getWidth() * factor) / 2.0);
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nuevoY = cY - |
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((fframe.getFMap().getViewPort().getExtent() |
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.getHeight() * factor) / 2.0);
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r.x = nuevoX; |
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r.y = nuevoY; |
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r.width = fframe.getFMap().getViewPort().getExtent() |
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.getWidth() * factor; |
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r.height = fframe.getFMap().getViewPort().getExtent() |
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.getHeight() * factor; |
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fframe.setNewExtent(r); |
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} else {
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// Fijamos el nuevo extent
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Rectangle2D.Double r = new Rectangle2D.Double(); |
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r.setFrameFromDiagonal(p1, p2); |
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fframe.setNewExtent(r); |
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} |
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// Fin del else
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layout.repaint(); |
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} |
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} |
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} |
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} |
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/**
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* Realiza un zoom menos sobre la vista del FFrameView seleccionado.
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*
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* @param p2 Punto sobre el que realizar el zoom menos.
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*/
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public void setViewZoomOut(Point p2) { |
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Point2D.Double pWorld;
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for (int i = 0; i < layout.getFFrames().size(); i++) { |
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if (layout.getFFrames().get(i) instanceof FFrameView) { |
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FFrameView fframe = (FFrameView) layout.getFFrames().get(i); |
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if (fframe.getSelected() != IFFrame.NOSELECT) {
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double nuevoX;
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double nuevoY;
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double cX;
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double cY;
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Point pScreen = new Point((int) p2.getX(), (int) p2.getY()); |
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pWorld = functions.toMapPoint(pScreen, fframe.getAt()); |
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cX = pWorld.getX(); |
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cY = pWorld.getY(); |
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double factor = 1.8; |
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Rectangle2D.Double r = new Rectangle2D.Double(); |
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nuevoX = cX - |
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((fframe.getFMap().getViewPort().getExtent().getWidth() * factor) / 2.0);
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nuevoY = cY - |
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((fframe.getFMap().getViewPort().getExtent().getHeight() * factor) / 2.0);
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r.x = nuevoX; |
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r.y = nuevoY; |
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r.width = fframe.getFMap().getViewPort().getExtent() |
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.getWidth() * factor; |
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r.height = fframe.getFMap().getViewPort().getExtent() |
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.getHeight() * factor; |
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fframe.setNewExtent(r); |
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///fframe.getFMap().setCancelDrawing(false);
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} |
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} |
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} |
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} |
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} |