svn-gvsig-desktop / trunk / extensions / extGeoreferencing / src / org / gvsig / georeferencing / ui / zoom / ViewMapRequestManager.java @ 28978
History | View | Annotate | Download (7.45 KB)
1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
|
4 |
*
|
5 |
* This program is free software; you can redistribute it and/or
|
6 |
* modify it under the terms of the GNU General Public License
|
7 |
* as published by the Free Software Foundation; either version 2
|
8 |
* of the License, or (at your option) any later version.
|
9 |
*
|
10 |
* This program is distributed in the hope that it will be useful,
|
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
13 |
* GNU General Public License for more details.
|
14 |
*
|
15 |
* You should have received a copy of the GNU General Public License
|
16 |
* along with this program; if not, write to the Free Software
|
17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
18 |
*/
|
19 |
package org.gvsig.georeferencing.ui.zoom; |
20 |
|
21 |
import java.awt.Color; |
22 |
import java.awt.Dimension; |
23 |
import java.awt.Graphics2D; |
24 |
import java.awt.geom.Point2D; |
25 |
import java.awt.geom.Rectangle2D; |
26 |
import java.awt.image.BufferedImage; |
27 |
|
28 |
import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
29 |
import org.gvsig.georeferencing.ui.zoom.layers.GCPsGraphicLayer; |
30 |
import org.gvsig.georeferencing.view.BaseZoomView; |
31 |
|
32 |
import com.iver.andami.PluginServices; |
33 |
import com.iver.cit.gvsig.fmap.DefaultMapContextDrawer; |
34 |
import com.iver.cit.gvsig.fmap.MapControl; |
35 |
import com.iver.cit.gvsig.fmap.ViewPort; |
36 |
import com.iver.cit.gvsig.fmap.layers.FLayers; |
37 |
import com.iver.utiles.swing.threads.Cancellable; |
38 |
|
39 |
/**
|
40 |
* Gestor de peticiones de zoom sobre el panel con el raster a georreferenciar.
|
41 |
* Implementa el interfaz IExtensionRequest para que este comunique la peticiones
|
42 |
* de zoom y ViewRasterRequestManager pueda hacer las peticiones de datos a la capa.
|
43 |
*
|
44 |
* 30/12/2007
|
45 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
46 |
*/
|
47 |
public class ViewMapRequestManager implements IExtensionRequest { |
48 |
private FLayers lyrs = null; |
49 |
private BaseZoomView view = null; |
50 |
private MapControl mapControl = null; |
51 |
private GCPsGraphicLayer graphicLayer = null; |
52 |
private Color backGroundColor = null; |
53 |
private FLyrRasterSE testLayer = null; |
54 |
|
55 |
/**
|
56 |
* Asigna la capa a georreferenciar de donde se obtienen los datos.
|
57 |
* @param lyr
|
58 |
*/
|
59 |
public ViewMapRequestManager(BaseZoomView view, MapControl mapControl) {
|
60 |
this.mapControl = mapControl;
|
61 |
this.lyrs = mapControl.getMapContext().getLayers();
|
62 |
this.view = view;
|
63 |
} |
64 |
|
65 |
/**
|
66 |
* A?ade una capa raster a la lista de capas
|
67 |
* @param lyr
|
68 |
* @throws InvalidRequestException
|
69 |
*/
|
70 |
public void addTestRasterLayer(FLyrRasterSE lyr) throws InvalidRequestException { |
71 |
if(lyrs == null || lyr == null) |
72 |
return;
|
73 |
testLayer = lyr; |
74 |
lyrs.addLayer(lyr); |
75 |
view.getCanvas().setForceRequest(true);
|
76 |
fullExtent(); |
77 |
} |
78 |
|
79 |
/**
|
80 |
* Elimina la capa de test de la vista de mapa
|
81 |
* @throws InvalidRequestException
|
82 |
*/
|
83 |
public void removeTestRasterLayer() throws InvalidRequestException { |
84 |
if(testLayer != null){ |
85 |
lyrs.removeLayer(testLayer); |
86 |
PluginServices.getMainFrame().enableControls(); |
87 |
} |
88 |
view.getCanvas().setForceRequest(true);
|
89 |
fullExtent(); |
90 |
} |
91 |
|
92 |
/**
|
93 |
* Asigna la capa de puntos de control
|
94 |
* @param gl
|
95 |
*/
|
96 |
public void setGCPsGraphicLayer(GCPsGraphicLayer gl) { |
97 |
this.graphicLayer = gl;
|
98 |
} |
99 |
|
100 |
/**
|
101 |
* Calcula la extensi?n que contendr? la vista a partir del extent
|
102 |
* m?ximo de la capa/s que contienen . Tienen en cuenta las distintan proporciones
|
103 |
* entre vista y petici?n
|
104 |
* @param Rectangle2D
|
105 |
*/
|
106 |
public Rectangle2D initRequest(Rectangle2D extent) throws InvalidRequestException { |
107 |
double x = extent.getX();
|
108 |
double y = extent.getY();
|
109 |
double w = extent.getWidth();
|
110 |
double h = extent.getHeight();
|
111 |
//Calculamos la extensi?n de la vista para el extent m?ximo que va a contener
|
112 |
//teniendo en cuenta las proporciones de ambos.
|
113 |
if(extent.getWidth() < extent.getHeight()) {
|
114 |
if(((double)view.getCanvasWidth() / (double)view.getCanvasHeight()) <= (extent.getWidth() / extent.getHeight())) { |
115 |
h = (view.getCanvasHeight() * w) / view.getCanvasWidth(); |
116 |
y = extent.getCenterY() - (h / 2);
|
117 |
} else { //p1 < p2 |
118 |
w = (view.getCanvasWidth() * h) / view.getCanvasHeight(); |
119 |
x = extent.getCenterX() - (w / 2);
|
120 |
} |
121 |
} else {
|
122 |
if(((double)view.getCanvasWidth() / (double)view.getCanvasHeight()) >= (extent.getWidth() / extent.getHeight())) { |
123 |
w = (view.getCanvasWidth() * h) / view.getCanvasHeight(); |
124 |
x = extent.getCenterX() - (w / 2);
|
125 |
} else { //p1 < p2 |
126 |
h = (view.getCanvasHeight() * w) / view.getCanvasWidth(); |
127 |
y = extent.getCenterY() - (h / 2);
|
128 |
} |
129 |
} |
130 |
Rectangle2D r = new Rectangle2D.Double(x, y, w, h); |
131 |
setDrawParams(null, r);
|
132 |
request(r); |
133 |
return r;
|
134 |
} |
135 |
|
136 |
/*
|
137 |
* (non-Javadoc)
|
138 |
* @see org.gvsig.rastertools.georeferencing.ui.zoom.IExtensionRequest#request(java.awt.geom.Rectangle2D)
|
139 |
*/
|
140 |
public Rectangle2D request(Rectangle2D extent) throws InvalidRequestException { |
141 |
if(extent == null) |
142 |
return lyrs.getFullExtent();
|
143 |
|
144 |
//Obtenemos el viewport y calculamos la matriz de transformaci?n
|
145 |
ViewPort vp = new ViewPort(null); |
146 |
vp.setImageSize(new Dimension(view.getCanvasWidth(), view.getCanvasHeight())); |
147 |
vp.setExtent(extent); |
148 |
vp.setProjection(lyrs.getProjection()); |
149 |
try {
|
150 |
//Dibujamos a trav?s del render de la capa en un graphics como el de la vista
|
151 |
BufferedImage initImg = new BufferedImage(view.getCanvasWidth(), view.getCanvasHeight(), BufferedImage.TYPE_INT_RGB); |
152 |
Graphics2D img = ((Graphics2D)initImg.getGraphics()); |
153 |
if(backGroundColor != null && backGroundColor != Color.BLACK) { |
154 |
img.setColor(backGroundColor); |
155 |
img.fillRect(0, 0, view.getCanvasWidth(), view.getCanvasHeight()); |
156 |
} |
157 |
|
158 |
DefaultMapContextDrawer mapContextDrawer = new DefaultMapContextDrawer();
|
159 |
mapContextDrawer.setMapContext(lyrs.getMapContext()); |
160 |
mapContextDrawer.setViewPort(vp); |
161 |
mapContextDrawer.draw(lyrs, initImg, img, new CancellableClass(), mapControl.getMapContext().getScaleView());
|
162 |
//lyrs.draw(initImg, img, vp, new CancellableClass(), mapControl.getMapContext().getScaleView());
|
163 |
|
164 |
setDrawParams(initImg, extent); |
165 |
|
166 |
if(graphicLayer != null) |
167 |
graphicLayer.recalcMapDrawCoordinates(); |
168 |
|
169 |
} catch (Exception e) { |
170 |
throw new InvalidRequestException("Error en al acceso al fichero"); |
171 |
} |
172 |
return extent;
|
173 |
} |
174 |
|
175 |
/*
|
176 |
* (non-Javadoc)
|
177 |
* @see org.gvsig.rastertools.georeferencing.ui.zoom.IExtensionRequest#fullExtent(java.awt.Dimension)
|
178 |
*/
|
179 |
public void fullExtent() throws InvalidRequestException { |
180 |
this.initRequest(lyrs.getFullExtent());
|
181 |
} |
182 |
|
183 |
/**
|
184 |
* Asigna los par?metros para el control de zoom del mapa
|
185 |
* @param img BufferedImage
|
186 |
* @param vp ViewPort
|
187 |
*/
|
188 |
public void setDrawParams(BufferedImage img, Rectangle2D extBuf) { |
189 |
if(view != null && lyrs != null) { |
190 |
if(img != null) |
191 |
view.setDrawParams(img, extBuf, extBuf.getWidth()/img.getWidth(), new Point2D.Double(extBuf.getCenterX(), extBuf.getCenterY())); |
192 |
else
|
193 |
view.setDrawParams(img, extBuf, extBuf.getWidth()/view.getCanvasWidth(), new Point2D.Double(extBuf.getCenterX(), extBuf.getCenterY())); |
194 |
} |
195 |
} |
196 |
|
197 |
/**
|
198 |
* Obtiene el color de fondo
|
199 |
* @return
|
200 |
*/
|
201 |
public Color getBackGroundColor() { |
202 |
return backGroundColor;
|
203 |
} |
204 |
|
205 |
/**
|
206 |
* Asigna el color de fondo
|
207 |
* @param backGroundColor
|
208 |
*/
|
209 |
public void setBackGroundColor(Color backGroundColor) { |
210 |
this.backGroundColor = backGroundColor;
|
211 |
} |
212 |
|
213 |
class CancellableClass implements Cancellable{ |
214 |
private boolean cancel = false; |
215 |
public void setCanceled(boolean canceled) { |
216 |
this.cancel = canceled;
|
217 |
} |
218 |
|
219 |
public boolean isCanceled() { |
220 |
return this.cancel; |
221 |
} |
222 |
} |
223 |
} |