25 |
* |
* |
26 |
* Contributors: |
* Contributors: |
27 |
* Martin O. J. Schmitz - initial API and implementation |
* Martin O. J. Schmitz - initial API and implementation |
28 |
* Stefan A. Krüger - additional utility classes |
* Stefan A. Tzeggai - additional utility classes |
29 |
******************************************************************************/ |
******************************************************************************/ |
30 |
/** |
/** |
31 |
Copyright 2008 Stefan Alfons Krüger and parts from some Geotools code |
Copyright 2008 Stefan Alfons Tzeggai and parts from some Geotools code |
32 |
|
|
33 |
atlas-framework - This file is part of the Atlas Framework |
atlas-framework - This file is part of the Atlas Framework |
34 |
|
|
35 |
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. |
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. |
48 |
import java.awt.RenderingHints; |
import java.awt.RenderingHints; |
49 |
import java.awt.image.BufferedImage; |
import java.awt.image.BufferedImage; |
50 |
|
|
|
import javax.swing.tree.DefaultTreeCellRenderer; |
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|
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|
51 |
import org.apache.log4j.Logger; |
import org.apache.log4j.Logger; |
52 |
import org.geotools.factory.GeoTools; |
import org.geotools.factory.GeoTools; |
53 |
import org.geotools.factory.Hints; |
import org.geotools.factory.Hints; |
|
import org.geotools.feature.IllegalAttributeException; |
|
54 |
import org.geotools.geometry.jts.LiteShape2; |
import org.geotools.geometry.jts.LiteShape2; |
55 |
import org.geotools.renderer.lite.StyledShapePainter; |
import org.geotools.renderer.lite.StyledShapePainter; |
56 |
import org.geotools.renderer.style.SLDStyleFactory; |
import org.geotools.renderer.style.SLDStyleFactory; |
64 |
import org.geotools.styling.Symbolizer; |
import org.geotools.styling.Symbolizer; |
65 |
import org.geotools.styling.TextSymbolizer; |
import org.geotools.styling.TextSymbolizer; |
66 |
import org.geotools.util.NumberRange; |
import org.geotools.util.NumberRange; |
67 |
|
import org.opengis.feature.IllegalAttributeException; |
68 |
import org.opengis.feature.simple.SimpleFeature; |
import org.opengis.feature.simple.SimpleFeature; |
69 |
import org.opengis.feature.simple.SimpleFeatureType; |
import org.opengis.feature.simple.SimpleFeatureType; |
70 |
import org.opengis.feature.type.AttributeDescriptor; |
import org.opengis.feature.type.AttributeDescriptor; |
81 |
* Based on geoserver! |
* Based on geoserver! |
82 |
* <hr> |
* <hr> |
83 |
* <b>Changes by <a href="mailto:[email protected]">Martin Schmitz</a></b> |
* <b>Changes by <a href="mailto:[email protected]">Martin Schmitz</a></b> |
|
* <br> |
|
|
* <ul> |
|
84 |
* <li>07.02.2008:<br> |
* <li>07.02.2008:<br> |
85 |
* Determining the default values of a {@link SimpleFeatureType} by |
* Determining the default values of a {@link SimpleFeatureType} by |
86 |
* {@link FeatureUtil#getDefaultAttributeValues(SimpleFeatureType)} instead of using |
* {@link FeatureUtil#getDefaultAttributeValues(SimpleFeatureType)} instead of |
87 |
* {@link AttributeDescriptor#createDefaultValue()} directly, because the latter |
* using {@link AttributeDescriptor#createDefaultValue()} directly, because the |
88 |
* returns {@code null} even though the attribut is not nillable.</li> |
* latter returns {@code null} even though the attribut is not nillable.</li> |
89 |
* </ul> |
* </ul> |
90 |
* |
* |
91 |
* @author Stefan Alfons Krüger |
* @author Stefan Alfons Tzeggai |
92 |
*/ |
*/ |
93 |
public class LegendIconFeatureRenderer extends DefaultTreeCellRenderer { |
public class LegendIconFeatureRenderer { |
94 |
// private static final Dimension SIZE = new Dimension(30,20); |
// private static final Dimension SIZE = new Dimension(30,20); |
95 |
|
|
96 |
Logger LOGGER = Logger.getLogger(LegendIconFeatureRenderer.class); |
Logger LOGGER = Logger.getLogger(LegendIconFeatureRenderer.class); |
97 |
|
|
104 |
final static LegendIconFeatureRenderer instance = new LegendIconFeatureRenderer(); |
final static LegendIconFeatureRenderer instance = new LegendIconFeatureRenderer(); |
105 |
|
|
106 |
public static LegendIconFeatureRenderer getInstance() { |
public static LegendIconFeatureRenderer getInstance() { |
107 |
// In GT 2.4.5 it we have to create a new one all the time! |
return instance; |
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|
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// TODO TEST, whether we still need to recreate the renderer here.... |
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return new LegendIconFeatureRenderer(); |
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// return instance; |
|
108 |
} |
} |
109 |
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|
110 |
/** |
/** |
140 |
private Hints hints; |
private Hints hints; |
141 |
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|
142 |
/** |
/** |
143 |
* Returns a <code>java.awt.Shape</code> appropiate to render a legend |
* Returns a <code>java.awt.Shape</code> appropriate to render a legend |
144 |
* graphic given the symbolizer type and the legend dimensions. |
* graphic given the symbolizer type and the legend dimensions. |
145 |
* |
* |
146 |
* @param symbolizer |
* @param symbolizer |
154 |
* symbolizer, wether it is a LineSymbolizer, a PolygonSymbolizer, |
* symbolizer, wether it is a LineSymbolizer, a PolygonSymbolizer, |
155 |
* or a Point ot Text Symbolizer |
* or a Point ot Text Symbolizer |
156 |
* |
* |
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* @throws IllegalArgumentException |
|
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* if an unknown symbolizer impl was passed in. |
|
157 |
*/ |
*/ |
158 |
private LiteShape2 getSampleShape(Symbolizer symbolizer, int legendWidth, |
private LiteShape2 getSampleShape(Symbolizer symbolizer, int legendWidth, |
159 |
int legendHeight) { |
int legendHeight) { |
205 |
legendHeight / 2); |
legendHeight / 2); |
206 |
|
|
207 |
try { |
try { |
208 |
this.samplePoint = new LiteShape2(geomFac |
this.samplePoint = new LiteShape2( |
209 |
.createPoint(coord), null, null, false); |
geomFac.createPoint(coord), null, null, false); |
210 |
} catch (Exception e) { |
} catch (Exception e) { |
211 |
this.samplePoint = null; |
this.samplePoint = null; |
212 |
} |
} |
217 |
throw new IllegalArgumentException("Unknown symbolizer: " |
throw new IllegalArgumentException("Unknown symbolizer: " |
218 |
+ symbolizer); |
+ symbolizer); |
219 |
} |
} |
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|
220 |
return sampleShape; |
return sampleShape; |
221 |
} |
} |
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// |
|
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// /** |
|
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// * Puts a BufferedImage into this.legendGraphic |
|
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// */ |
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// public void produceLegendGraphic(SimpleFeatureType featureType, Style gt2Style, |
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// Rule[] applicableRules) { |
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// |
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// // final FeatureTypeStyle[] ftStyles = gt2Style.getFeatureTypeStyles(); |
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// |
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// // if (request.getRule() != null) { |
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// // applicableRules = new Rule[] { request.getRule() }; |
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// // } else { |
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// // applicableRules = getApplicableRules(ftStyles, scaleDenominator); |
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// // } |
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// |
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// final int ruleCount = applicableRules.length; |
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// |
|
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// /** |
|
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// * A legend graphic is produced for each applicable rule. They're being |
|
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// * holded here until the process is done and then painted on a "stack" |
|
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// * like legend. |
|
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// */ |
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// final List<BufferedImage> legendsStack = new ArrayList<BufferedImage>( |
|
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// ruleCount); |
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// |
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// for (int i = 0; i < ruleCount; i++) { |
|
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// BufferedImage image = createImageForRule(applicableRules[i], |
|
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// featureType, SIZE); |
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// legendsStack.add(image); |
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// } |
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// |
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// // this.legendGraphic = |
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// // scaleImage(mergeLegends(legendsStack,applicableRules), request); |
|
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// this.legendGraphic = mergeLegends(legendsStack, applicableRules); |
|
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// } |
|
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// |
|
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// /** |
|
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// * Recieves a list of <code>BufferedImages</code> and produces a new one |
|
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// * which holds all the images in <code>imageStack</code> one above the |
|
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// * other. |
|
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// * |
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// * @param imageStack |
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// * the list of BufferedImages, one for each applicable Rule |
|
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// * @param rules |
|
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// * The applicable rules, one for each image in the stack |
|
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// * @param request |
|
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// * The request. |
|
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// * |
|
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// * @return the stack image with all the images on the argument list. |
|
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// * |
|
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// * @throws IllegalArgumentException |
|
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// * if the list is empty |
|
|
// */ |
|
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// private static BufferedImage mergeLegends(List<BufferedImage> imageStack, |
|
|
// Rule[] rules) { |
|
|
// if (imageStack.size() == 0) { |
|
|
// throw new IllegalArgumentException("No legend graphics passed"); |
|
|
// } |
|
|
// |
|
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// BufferedImage finalLegend = null; |
|
|
// |
|
|
// if (imageStack.size() == 1) { |
|
|
// finalLegend = (BufferedImage) imageStack.get(0); |
|
|
// } else { |
|
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// final int imgCount = imageStack.size(); |
|
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// final String[] labels = new String[imgCount]; |
|
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// |
|
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// BufferedImage img = ((BufferedImage) imageStack.get(0)); |
|
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// FontMetrics fontMetrics = img.getGraphics().getFontMetrics(); |
|
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// |
|
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// final int rowHeight = Math.max(fontMetrics.getHeight(), img |
|
|
// .getHeight()); |
|
|
// |
|
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// // calculate the total dimensions of the image |
|
|
// int totalHeight = rowHeight * imgCount; |
|
|
// int totalWidth = 0; |
|
|
// |
|
|
// for (int i = 0; i < imgCount; i++) { |
|
|
// img = (BufferedImage) imageStack.get(i); |
|
|
// |
|
|
// Rule rule = rules[i]; |
|
|
// |
|
|
// // does this rule have a label |
|
|
// labels[i] = rule.getTitle(); |
|
|
// |
|
|
// if (labels[i] == null) { |
|
|
// labels[i] = rule.getName(); |
|
|
// } |
|
|
// |
|
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// int w = img.getWidth(); |
|
|
// |
|
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// if (labels[i] != null) { |
|
|
// Graphics g = img.getGraphics(); |
|
|
// w += g.getFontMetrics().stringWidth(labels[i]); |
|
|
// } |
|
|
// |
|
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// totalWidth = Math.max(w, totalWidth); |
|
|
// } |
|
|
// |
|
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// // create the final image |
|
|
// finalLegend = new BufferedImage(totalWidth, totalHeight, |
|
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// BufferedImage.TYPE_INT_ARGB); |
|
|
// |
|
|
// Graphics2D finalGraphics = finalLegend.createGraphics(); |
|
|
// |
|
|
// finalGraphics.setColor(Color.white); |
|
|
// finalGraphics.fillRect(0, 0, totalWidth, totalHeight); |
|
|
// |
|
|
// int h = 0; |
|
|
// |
|
|
// for (int i = 0; i < imgCount; i++) { |
|
|
// img = (BufferedImage) imageStack.get(i); |
|
|
// |
|
|
// // draw the image |
|
|
// int y = h; |
|
|
// |
|
|
// if (img.getHeight() < rowHeight) { |
|
|
// // move the image to the center of the row |
|
|
// y += (int) ((rowHeight - img.getHeight()) / 2d); |
|
|
// } |
|
|
// |
|
|
// finalGraphics.drawImage(img, 0, y, imgObs); |
|
|
// |
|
|
// // draw the label |
|
|
// if (labels[i] != null) { |
|
|
// finalGraphics.setColor(Color.BLACK); |
|
|
// |
|
|
// y = (h + rowHeight) - fontMetrics.getDescent(); |
|
|
// |
|
|
// if (fontMetrics.getHeight() < rowHeight) { |
|
|
// // move the baseline to the center of the row |
|
|
// y -= (int) ((rowHeight - fontMetrics.getHeight()) / 2d); |
|
|
// } |
|
|
// |
|
|
// finalGraphics.drawString(labels[i], img.getWidth(), y); |
|
|
// } |
|
|
// |
|
|
// h += rowHeight; |
|
|
// } |
|
|
// } |
|
|
// |
|
|
// return finalLegend; |
|
|
// } |
|
|
// |
|
|
// /** |
|
|
// * DOCUMENT ME! |
|
|
// * |
|
|
// * @return |
|
|
// * |
|
|
// * @throws IllegalStateException |
|
|
// * DOCUMENT ME! |
|
|
// */ |
|
|
// public BufferedImage getLegendGraphic() { |
|
|
// if (this.legendGraphic == null) { |
|
|
// throw new IllegalStateException(); |
|
|
// } |
|
|
// return this.legendGraphic; |
|
|
// } |
|
|
|
|
|
// /** |
|
|
// * Paints a little rectangle in the color defined by the |
|
|
// * {@link ColorMapEntry} |
|
|
// * |
|
|
// * unused |
|
|
// * |
|
|
// * @param cme |
|
|
// * {@link ColorMapEntry} |
|
|
// * @param cm |
|
|
// * {@link ColorMap} to determine type (VALUES, INTERVALL ) |
|
|
// * @param iconWidth |
|
|
// * Size of the rectangle |
|
|
// * @param iconHeight |
|
|
// * Size of the rectangle |
|
|
// * @return {@link ImageIcon} of that color, maybe with a white border |
|
|
// * @author Stefan Alfons Krüger |
|
|
// */ |
|
|
// public static ImageIcon createImageForColorMapEntry(ColorMapEntry cme, |
|
|
// ColorMap cm, Integer iconWidth, Integer iconHeight) { |
|
|
// |
|
|
// BufferedImage imageForRule = new BufferedImage(iconWidth, iconHeight, |
|
|
// BufferedImage.TYPE_INT_ARGB); |
|
|
// |
|
|
// final Color color = StylingUtil.getColorFromColorMapEntry(cme); |
|
|
// |
|
|
// // Paint a block |
|
|
// for (int x = 0; x < iconWidth; x++) { |
|
|
// for (int y = 0; y < iconHeight; y++) { |
|
|
// int rgb = color.getRGB(); |
|
|
// int rand = 2; |
|
|
// |
|
|
// // Paint a white border if the type is VALUES |
|
|
// if ((x < rand) || (x > iconWidth - rand) || (y < rand) |
|
|
// || (y > iconHeight - rand)) { |
|
|
// if (cm.getType() == ColorMap.TYPE_VALUES) { |
|
|
// rgb = Color.white.getRGB(); |
|
|
// } |
|
|
// } |
|
|
// imageForRule.setRGB(x, y, rgb); |
|
|
// } |
|
|
// } |
|
|
// return new ImageIcon(imageForRule); |
|
|
// } |
|
222 |
|
|
223 |
/** |
/** |
224 |
* Creates a little BufferedImage that presents the Style/Symbols used by |
* Creates a little BufferedImage that presents the Style/Symbols used by |
227 |
* @param rule |
* @param rule |
228 |
* {@link Rule} that provides the text and the style to present |
* {@link Rule} that provides the text and the style to present |
229 |
* @param featureType |
* @param featureType |
230 |
* Schema that describes the kind of the sample {@link SimpleFeature} |
* Schema that describes the kind of the sample |
231 |
* that will be rendered with the {@link Style} |
* {@link SimpleFeature} that will be rendered with the |
232 |
|
* {@link Style} |
233 |
* @param bg |
* @param bg |
234 |
* Background {@link Color} or <code>null</code> |
* Background {@link Color} or <code>null</code> |
235 |
* |
* |
236 |
* @throws IllegalAttributeException |
* @throws IllegalAttributeException |
237 |
*/ |
*/ |
238 |
public BufferedImage createImageForRule(Rule rule, SimpleFeatureType featureType, |
public BufferedImage createImageForRule(Rule rule, |
239 |
Dimension size, Color bg) { |
SimpleFeatureType featureType, Dimension size, Color bg) { |
240 |
|
|
241 |
Symbolizer[] symbolizers = rule.getSymbolizers(); |
Symbolizer[] symbolizers = rule.getSymbolizers(); |
242 |
|
|
246 |
|
|
247 |
if (bg != null) { |
if (bg != null) { |
248 |
// **************************************************************************** |
// **************************************************************************** |
249 |
// The following lines define the backgroup color for the rendered |
// The following lines define the background color for the rendered |
250 |
// images |
// images |
251 |
// **************************************************************************** |
// **************************************************************************** |
252 |
graphics.setBackground(bg); |
graphics.setBackground(bg); |
257 |
// Enable anti-aliasing for the legend symbols |
// Enable anti-aliasing for the legend symbols |
258 |
graphics.setRenderingHints(getHints()); |
graphics.setRenderingHints(getHints()); |
259 |
|
|
260 |
// TODO scaleDenominator = 100000000000000000000000000000d; Was ist das |
final NumberRange<Integer> scaleRange = NumberRange.create( |
261 |
// fuer ein Quatsch? |
Integer.MAX_VALUE, Integer.MAX_VALUE); |
|
final double scaleDenominator = 100000000000000000000000000000d; |
|
|
final NumberRange scaleRange = new NumberRange(scaleDenominator, |
|
|
scaleDenominator); |
|
262 |
|
|
263 |
try { |
try { |
264 |
|
|
266 |
Symbolizer symbolizer = symbolizers[sIdx]; |
Symbolizer symbolizer = symbolizers[sIdx]; |
267 |
|
|
268 |
if (symbolizer instanceof TextSymbolizer) { |
if (symbolizer instanceof TextSymbolizer) { |
|
LOGGER |
|
|
.warn("createImageForRule for a TextSymbolizer. Sure we want that?"); |
|
269 |
continue; |
continue; |
270 |
} |
} |
271 |
|
|
274 |
// RasterSymbolizers.."); |
// RasterSymbolizers.."); |
275 |
// } |
// } |
276 |
// else |
// else |
277 |
final SimpleFeature sampleFeature = FeatureUtil.createSampleFeature(featureType); |
final SimpleFeature sampleFeature = FeatureUtil |
278 |
|
.createSampleFeature(featureType); |
279 |
|
|
280 |
|
if (sampleFeature == null) |
281 |
|
LOGGER.debug("sampleFeature " + sampleFeature); |
282 |
|
|
283 |
// The SLDStyleFactory has to be recreated, as it seams to cache |
// The SLDStyleFactory has to be recreated, as it seams to cache |
284 |
// some stuff. |
// some stuff. |
290 |
size.height); |
size.height); |
291 |
|
|
292 |
if (style2d != null) { |
if (style2d != null) { |
293 |
new StyledShapePainter(null).paint(graphics, shape, |
StyledShapePainter styledShapePainter = new StyledShapePainter( |
294 |
style2d, scaleDenominator); |
null); |
295 |
|
styledShapePainter.paint(graphics, shape, style2d, |
296 |
|
Integer.MAX_VALUE); |
297 |
} |
} |
298 |
} |
} |
299 |
} catch (Exception e) { |
} catch (Exception e) { |
300 |
LOGGER |
LOGGER.error( |
301 |
.error( |
"Error during createImageForRule, returning empty Image", e); |
|
"Error during createImageForRule, returning empty Image", |
|
|
e); |
|
302 |
} |
} |
303 |
return buffImage; |
return buffImage; |
304 |
} |
} |
307 |
* Define Java2D and other Hints |
* Define Java2D and other Hints |
308 |
* |
* |
309 |
* @param hints |
* @param hints |
310 |
* @author <a href="mailto:[email protected]">Stefan Alfons |
* @author <a href="mailto:[email protected]">Stefan Alfons Tzeggai</a> |
|
* Krüger</a> |
|
311 |
*/ |
*/ |
312 |
public void setHints(Hints hints) { |
public void setHints(Hints hints) { |
313 |
getHints().add(hints); |
getHints().add(hints); |
337 |
* @param rule |
* @param rule |
338 |
* {@link Rule} that provides the text and the style to present |
* {@link Rule} that provides the text and the style to present |
339 |
* @param featureType |
* @param featureType |
340 |
* Schema that describes the kind of the sample {@link SimpleFeature} |
* Schema that describes the kind of the sample |
341 |
* that will be rendered with the {@link Style} |
* {@link SimpleFeature} that will be rendered with the |
342 |
|
* {@link Style} |
343 |
* |
* |
344 |
* @throws IllegalAttributeException |
* @throws IllegalAttributeException |
345 |
*/ |
*/ |