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 @ 1752
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1 | 1479 | nbrodin | /* gvSIG. Geographic Information System of the Valencian Government
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2 | 1477 | nbrodin | *
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3 | 1479 | nbrodin | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | 1477 | nbrodin | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 1479 | nbrodin | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | 1477 | nbrodin | */
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22 | package org.gvsig.raster.georeferencing.swing.impl.view; |
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23 | |||
24 | import java.awt.BorderLayout; |
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25 | import java.awt.event.ComponentEvent; |
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26 | import java.awt.event.ComponentListener; |
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27 | import java.awt.geom.Point2D; |
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28 | import java.awt.geom.Rectangle2D; |
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29 | import java.awt.image.BufferedImage; |
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30 | |||
31 | import org.gvsig.raster.georeferencing.swing.impl.layer.ZoomCursorGraphicLayer; |
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32 | 1728 | nbrodin | import org.gvsig.raster.georeferencing.swing.impl.tool.PanTool; |
33 | import org.gvsig.raster.georeferencing.swing.impl.tool.ZoomRectangleTool; |
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34 | 1712 | nbrodin | import org.gvsig.raster.georeferencing.swing.view.IViewRequestManager; |
35 | 1477 | nbrodin | import org.gvsig.raster.georeferencing.swing.view.IGraphicLayer; |
36 | import org.gvsig.raster.georeferencing.swing.view.ToolListener; |
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37 | import org.gvsig.raster.georeferencing.swing.view.ViewListener; |
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38 | import org.slf4j.LoggerFactory; |
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39 | |||
40 | /**
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41 | * Panel que contiene el panel con la vista a georreferenciar
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42 | *
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43 | * 22/12/2007
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44 | * @author Nacho Brodin (nachobrodin@gmail.com)
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45 | */
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46 | 1728 | nbrodin | public class ViewPanelImpl extends BaseViewPanel implements ComponentListener { |
47 | 1687 | nbrodin | private static final long serialVersionUID = 1L; |
48 | private ZoomCursorGraphicLayer zoomCursorGraphic = null; |
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49 | 1477 | nbrodin | private ToolListener zoomCursorGraphicListener = null; |
50 | 1687 | nbrodin | private boolean rightSideButtons = true; |
51 | 1477 | nbrodin | |
52 | /**
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53 | * Constructor.
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54 | * Crea la composici?n de controles de zoom.
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55 | * @param posX Posici?n en X
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56 | * @param posY Posici?n en Y
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57 | * @param w Tama?o en pixeles de ancho
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58 | * @param h Tama?o en pixeles de alto
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59 | */
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60 | 1687 | nbrodin | public ViewPanelImpl(ToolListener zoomCursorGraphicListener, boolean rightSideButtons) { |
61 | 1477 | nbrodin | this.zoomCursorGraphicListener = zoomCursorGraphicListener;
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62 | 1687 | nbrodin | this.rightSideButtons = rightSideButtons;
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63 | 1477 | nbrodin | init(); |
64 | } |
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65 | |||
66 | /**
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67 | * Inicializaci?n de los componentes gr?ficos
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68 | */
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69 | private void init() { |
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70 | setLayout(new BorderLayout()); |
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71 | add(getControl(), BorderLayout.CENTER);
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72 | getZoomCursorGraphicLayer(); |
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73 | } |
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74 | |||
75 | /**
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76 | * Asigna el listener de eventos de la vista
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77 | * @param listener
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78 | */
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79 | public void setViewListener(ViewListener listener) { |
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80 | getControl().setViewListener(listener); |
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81 | } |
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82 | |||
83 | |||
84 | /**
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85 | * Asigna el valor para el flag minxMaxyUL. Este flag informa de que la esquina
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86 | * superior izquierda corresponde con el valor de m?nimo X y m?ximo Y. En caso
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87 | * de ser false esta esquina ser?a de m?nimo X y m?nimo Y.
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88 | * @param v
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89 | */
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90 | 1717 | nbrodin | public void setMinxMaxyUL(boolean v) { |
91 | 1477 | nbrodin | getCanvas().setMinxMaxyUL(v); |
92 | 1717 | nbrodin | } |
93 | 1477 | nbrodin | |
94 | 1717 | nbrodin | public boolean getMinxMaxyUL() { |
95 | return getCanvas().getMinxMaxyUL();
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96 | } |
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97 | |||
98 | 1477 | nbrodin | /**
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99 | * Asigna un nuevo centro de visualizaci?n. Vuelve a realizar la petici?n
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100 | * @param center
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101 | */
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102 | public void setCenter(Point2D center) { |
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103 | //TODO: Calcular las coordenadas del cursor gr?fico
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104 | getControl().setCenter(center); |
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105 | } |
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106 | |||
107 | /**
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108 | * Asigna los par?metros de dibujado para el raster
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109 | * @param img Buffer con un ?rea de datos
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110 | * @param ext Rectangle2D del ?rea de datos dada
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111 | * @param pixelSize Tama?o de pixel
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112 | * @param center Punto del ?rea de datos donde se quiere centrar el dibujado del buffer
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113 | */
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114 | public void setDrawParams(BufferedImage img, Rectangle2D ext, double pixelSize, Point2D center) { |
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115 | getControl().setDrawParams(img, ext, pixelSize, center) ; |
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116 | } |
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117 | |||
118 | /**
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119 | * Obtiene el panel de control de zoom de coordenadas pixel
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120 | * @return
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121 | */
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122 | public ViewControl getControl() {
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123 | 1728 | nbrodin | if(viewControl == null) { |
124 | 1687 | nbrodin | if(rightSideButtons)
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125 | 1728 | nbrodin | viewControl = new ViewControl(ViewControl.RIGHT_CONTROL, this); |
126 | 1687 | nbrodin | else
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127 | 1728 | nbrodin | viewControl = new ViewControl(ViewControl.LEFT_CONTROL, this); |
128 | viewControl.addComponentListener(this);
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129 | //Tools predefinidas
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130 | viewControl.addTool(new ZoomRectangleTool(viewControl, this)); |
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131 | viewControl.addTool(new PanTool(viewControl, this)); |
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132 | 1477 | nbrodin | } |
133 | 1728 | nbrodin | return viewControl;
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134 | 1477 | nbrodin | } |
135 | |||
136 | /**
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137 | * Registra un objeto IExtensionRequest para que no se aplique un escalado sobre
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138 | * el buffer pasado por par?metro. Alternativamente a la aplicaci?n de este escalado
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139 | * se ejecutar? el m?todo request del interfaz para que el cliente pueda pasar un
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140 | * nuevo buffer con escala 1:1 y con la extensi?n correspondiente al zoom.
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141 | * @param er
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142 | */
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143 | 1712 | nbrodin | public void setRequestListener(IViewRequestManager er) { |
144 | 1728 | nbrodin | viewControl.setExtensionRequest(er); |
145 | 1477 | nbrodin | } |
146 | |||
147 | /*
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148 | * (non-Javadoc)
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149 | * @see org.gvsig.rastertools.georeferencing.view.BaseZoomView#addGraphicLayer(org.gvsig.rastertools.georeferencing.ui.zoom.IGraphicLayer)
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150 | */
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151 | public void addGraphicLayer(IGraphicLayer graphicLayer) { |
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152 | getControl().setGraphicLayer(graphicLayer); |
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153 | } |
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154 | |||
155 | /**
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156 | * Obtiene el la capa gr?fica con la ventana de zoom
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157 | * @return
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158 | */
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159 | public ZoomCursorGraphicLayer getZoomCursorGraphicLayer() {
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160 | if(zoomCursorGraphic == null) { |
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161 | 1495 | nbrodin | zoomCursorGraphic = new ZoomCursorGraphicLayer(getWidth() / 2, getHeight() / 2, 12, 6, zoomCursorGraphicListener); |
162 | 1728 | nbrodin | zoomCursorGraphic.setGeoreferencingView(this);
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163 | 1477 | nbrodin | getControl().setGraphicLayer(zoomCursorGraphic); |
164 | } |
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165 | return zoomCursorGraphic;
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166 | } |
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167 | |||
168 | /**
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169 | * Asigna la posici?n del cursor en el canvas
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170 | * @param x Posici?n en X
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171 | * @param y Posici?n en Y
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172 | */
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173 | public void setCursorPosition(int x, int y) { |
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174 | getZoomCursorGraphicLayer().setCursorPosition(x, y); |
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175 | } |
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176 | |||
177 | /**
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178 | * Asigna el tama?o del cursor en pixeles del canvas
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179 | * @param w Ancho
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180 | * @param h Alto
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181 | */
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182 | public void setCursorSize(int w, int h) { |
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183 | getZoomCursorGraphicLayer().setCursorSize(w, h); |
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184 | } |
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185 | |||
186 | /**
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187 | * Activa o desactiva el mostrado de informaci?n
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188 | * @param showInfo
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189 | */
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190 | public void setShowInfo(boolean show) { |
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191 | 1728 | nbrodin | viewControl.getCanvas().setShowInfo(show); |
192 | 1477 | nbrodin | } |
193 | |||
194 | /**
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195 | * Obtiene las coordenadas de la ventana de zoom. Las coordenadas son devueltas
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196 | * en referencia a las coordenadas del mundo.
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197 | * @return
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198 | */
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199 | public Rectangle2D getCursorWorldCoordinates() { |
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200 | Rectangle2D r = getZoomCursorGraphicLayer().getCursorViewCoordinates();
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201 | 1728 | nbrodin | Point2D p1 = viewControl.getCanvas().viewCoordsToWorld(new Point2D.Double(r.getX(), r.getY())); |
202 | Point2D p2 = viewControl.getCanvas().viewCoordsToWorld(new Point2D.Double(r.getX() + r.getWidth(), r.getY() + r.getHeight())); |
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203 | 1477 | nbrodin | return new Rectangle2D.Double( Math.min(p1.getX(), p2.getX()), |
204 | Math.max(p1.getY(), p2.getY()),
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205 | Math.abs(p2.getX() - p1.getX()),
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206 | Math.abs(p2.getY() - p1.getY()));
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207 | } |
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208 | |||
209 | /**
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210 | * Obtiene las coordenadas de la ventana de zoom. Las coordenadas son devueltas
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211 | * en referencia a las coordenadas del mundo. Esta llamada ajusta el tama?o de la ventana a la
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212 | * 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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213 | * mayor que el alto se ajustar? el zoom a esta proporci?n ya que presupone que la ventana de
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214 | * destino del zoom va a tener esas proporciones.
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215 | * @return
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216 | */
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217 | public Rectangle2D getCursorAdjustedWorldCoordinates(int wWindow, int hWindow) { |
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218 | Rectangle2D r = getZoomCursorGraphicLayer().getCursorViewCoordinates();
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219 | double x = r.getX(), y = r.getY(), w = r.getWidth(), h = r.getHeight();
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220 | |||
221 | try {
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222 | if(wWindow < hWindow) { //Si la de destino es m?s alta que ancha |
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223 | if((r.getWidth() / r.getHeight()) >= (wWindow / hWindow)) {
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224 | h = (hWindow * r.getWidth()) / wWindow; |
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225 | y = r.getCenterY() - (h / 2);
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226 | } else {
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227 | w = (wWindow * r.getHeight()) / hWindow; |
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228 | x = r.getCenterX() - (w / 2);
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229 | } |
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230 | } else { //Si la de destino es m?s ancha que alta |
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231 | if((r.getWidth() / r.getHeight()) <= (wWindow / hWindow)) {
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232 | w = (wWindow * r.getHeight()) / hWindow; |
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233 | x = r.getCenterX() - (w / 2);
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234 | } else {
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235 | h = (hWindow * r.getWidth()) / wWindow; |
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236 | y = r.getCenterY() - (h / 2);
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237 | } |
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238 | } |
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239 | }catch(ArithmeticException ex) { |
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240 | LoggerFactory.getLogger(ViewPanelImpl.class).debug("Redimensi?n de las ventanas. La altura de estas es menor que cero", this, ex); |
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241 | return r;
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242 | } |
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243 | 1728 | nbrodin | if(viewControl.getCanvas().getMinxMaxyUL())
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244 | 1477 | nbrodin | r = new Rectangle2D.Double(x, y + h, w, h); |
245 | 1725 | nbrodin | else
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246 | r = new Rectangle2D.Double(x, y - h, w, h); |
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247 | 1728 | nbrodin | Point2D p1 = viewControl.getCanvas().viewCoordsToWorld(new Point2D.Double(r.getX(), r.getY())); |
248 | Point2D p2 = viewControl.getCanvas().viewCoordsToWorld(new Point2D.Double(r.getX() + r.getWidth(), r.getY() + r.getHeight())); |
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249 | 1477 | nbrodin | return new Rectangle2D.Double( Math.min(p1.getX(), p2.getX()), |
250 | Math.max(p1.getY(), p2.getY()),
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251 | Math.abs(p2.getX() - p1.getX()),
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252 | Math.abs(p2.getY() - p1.getY()));
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253 | } |
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254 | |||
255 | /**
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256 | * Obtiene el extent del canvas en coordenadas del mundo real
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257 | * @return Rectangle2D
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258 | */
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259 | public Rectangle2D getViewExtent() { |
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260 | 1728 | nbrodin | return viewControl.getCanvas().getExtent();
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261 | 1477 | nbrodin | } |
262 | |||
263 | public void componentHidden(ComponentEvent e) { |
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264 | } |
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265 | |||
266 | public void componentMoved(ComponentEvent e) { |
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267 | } |
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268 | |||
269 | public void componentResized(ComponentEvent e) { |
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270 | 1728 | nbrodin | viewControl.reload(); |
271 | 1477 | nbrodin | } |
272 | |||
273 | public void componentShown(ComponentEvent e) { |
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274 | } |
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275 | 1492 | nbrodin | |
276 | 1477 | nbrodin | } |