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**/ |
**/ |
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package skrueger.geotools; |
package skrueger.geotools; |
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import java.awt.Canvas; |
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import java.awt.Color; |
import java.awt.Color; |
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import java.awt.Dimension; |
import java.awt.Dimension; |
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import java.awt.Graphics2D; |
import java.awt.Graphics2D; |
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import java.awt.RenderingHints; |
import java.awt.RenderingHints; |
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import java.awt.image.BufferedImage; |
import java.awt.image.BufferedImage; |
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import java.awt.image.ImageObserver; |
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import javax.swing.tree.DefaultTreeCellRenderer; |
import javax.swing.tree.DefaultTreeCellRenderer; |
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* @author Stefan Alfons Krüger |
* @author Stefan Alfons Krüger |
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*/ |
*/ |
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public class LegendIconFeatureRenderer extends DefaultTreeCellRenderer { |
public class LegendIconFeatureRenderer extends DefaultTreeCellRenderer { |
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private static final Dimension SIZE = new Dimension(30,20); |
// private static final Dimension SIZE = new Dimension(30,20); |
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Logger LOGGER = Logger.getLogger(LegendIconFeatureRenderer.class); |
Logger LOGGER = Logger.getLogger(LegendIconFeatureRenderer.class); |
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public static LegendIconFeatureRenderer getInstance() { |
public static LegendIconFeatureRenderer getInstance() { |
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// In GT 2.4.5 it we have to create a new one all the time! |
// In GT 2.4.5 it we have to create a new one all the time! |
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// TODO TEST, whether we still need to recreate the renderer here.... |
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// TODO TEST, whether we still need to recreate the renderer here.... |
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// TODO TEST, whether we still need to recreate the renderer here.... |
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// TODO TEST, whether we still need to recreate the renderer here.... |
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// TODO TEST, whether we still need to recreate the renderer here.... |
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// TODO TEST, whether we still need to recreate the renderer here.... |
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// TODO TEST, whether we still need to recreate the renderer here.... |
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// TODO TEST, whether we still need to recreate the renderer here.... |
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return new LegendIconFeatureRenderer(); |
return new LegendIconFeatureRenderer(); |
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// return instance; |
// return instance; |
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} |
} |
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/** The image produced at <code>produceLegendGraphic</code> */ |
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private BufferedImage legendGraphic; |
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/** |
/** |
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* used to create sample point shapes with LiteShape (not lines nor |
* used to create sample point shapes with LiteShape (not lines nor |
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* polygons) |
* polygons) |
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*/ |
*/ |
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private static final GeometryFactory geomFac = new GeometryFactory(); |
private static final GeometryFactory geomFac = FeatureUtil.GEOMETRY_FACTORY; |
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/** padding percentage factor at both sides of the legend. */ |
/** padding percentage factor at both sides of the legend. */ |
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private static final float hpaddingFactor = 0.11f; // was 0.15 |
private static final float hpaddingFactor = 0.11f; // was 0.15 |
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private static final float vpaddingFactor = 0.08f; // was 0.15 |
private static final float vpaddingFactor = 0.08f; // was 0.15 |
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/** |
/** |
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* Image observer to help in creating the stack like legend graphic from the |
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* images created for each rule |
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*/ |
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private static final ImageObserver imgObs = new Canvas(); |
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/** |
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* Just a holder to avoid creating many polygon shapes from inside |
* Just a holder to avoid creating many polygon shapes from inside |
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* <code>getSampleShape()</code> |
* <code>getSampleShape()</code> |
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*/ |
*/ |
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throw new IllegalArgumentException("Unknown symbolizer: " |
throw new IllegalArgumentException("Unknown symbolizer: " |
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+ symbolizer); |
+ symbolizer); |
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} |
} |
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return sampleShape; |
return sampleShape; |
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} |
} |
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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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// */ |
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// private static BufferedImage mergeLegends(List<BufferedImage> imageStack, |
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// Rule[] rules) { |
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// if (imageStack.size() == 0) { |
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// throw new IllegalArgumentException("No legend graphics passed"); |
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// } |
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// |
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// BufferedImage finalLegend = null; |
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// |
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// if (imageStack.size() == 1) { |
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// finalLegend = (BufferedImage) imageStack.get(0); |
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// } 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 |
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// .getHeight()); |
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// |
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// // calculate the total dimensions of the image |
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// int totalHeight = rowHeight * imgCount; |
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// int totalWidth = 0; |
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// |
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// for (int i = 0; i < imgCount; i++) { |
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// img = (BufferedImage) imageStack.get(i); |
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// |
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// Rule rule = rules[i]; |
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// |
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// // does this rule have a label |
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// labels[i] = rule.getTitle(); |
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// |
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// if (labels[i] == null) { |
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// labels[i] = rule.getName(); |
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// } |
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// |
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// int w = img.getWidth(); |
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// |
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// if (labels[i] != null) { |
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// Graphics g = img.getGraphics(); |
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// w += g.getFontMetrics().stringWidth(labels[i]); |
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// } |
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// |
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// totalWidth = Math.max(w, totalWidth); |
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// } |
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// |
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// // create the final image |
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// finalLegend = new BufferedImage(totalWidth, totalHeight, |
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// BufferedImage.TYPE_INT_ARGB); |
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// |
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// Graphics2D finalGraphics = finalLegend.createGraphics(); |
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// |
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// finalGraphics.setColor(Color.white); |
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// finalGraphics.fillRect(0, 0, totalWidth, totalHeight); |
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// |
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// int h = 0; |
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// |
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// for (int i = 0; i < imgCount; i++) { |
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// img = (BufferedImage) imageStack.get(i); |
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// |
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// // draw the image |
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// int y = h; |
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// |
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// if (img.getHeight() < rowHeight) { |
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// // move the image to the center of the row |
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// y += (int) ((rowHeight - img.getHeight()) / 2d); |
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// } |
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// |
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// finalGraphics.drawImage(img, 0, y, imgObs); |
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// |
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// // draw the label |
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// if (labels[i] != null) { |
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// finalGraphics.setColor(Color.BLACK); |
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// |
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// y = (h + rowHeight) - fontMetrics.getDescent(); |
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// |
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// if (fontMetrics.getHeight() < rowHeight) { |
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// // move the baseline to the center of the row |
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// y -= (int) ((rowHeight - fontMetrics.getHeight()) / 2d); |
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// } |
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// |
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// finalGraphics.drawString(labels[i], img.getWidth(), y); |
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// } |
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// |
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// h += rowHeight; |
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// } |
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// } |
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// |
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// return finalLegend; |
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// } |
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// |
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// /** |
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// * DOCUMENT ME! |
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// * |
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// * @return |
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// * |
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// * @throws IllegalStateException |
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// * DOCUMENT ME! |
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// */ |
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// public BufferedImage getLegendGraphic() { |
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// if (this.legendGraphic == null) { |
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// throw new IllegalStateException(); |
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// } |
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// return this.legendGraphic; |
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// } |
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// /** |
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// * Paints a little rectangle in the color defined by the |
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// * {@link ColorMapEntry} |
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// * |
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// * unused |
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// * |
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// * @param cme |
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// * {@link ColorMapEntry} |
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// * @param cm |
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// * {@link ColorMap} to determine type (VALUES, INTERVALL ) |
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// * @param iconWidth |
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// * Size of the rectangle |
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// * @param iconHeight |
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// * Size of the rectangle |
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// * @return {@link ImageIcon} of that color, maybe with a white border |
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// * @author Stefan Alfons Krüger |
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// */ |
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// public static ImageIcon createImageForColorMapEntry(ColorMapEntry cme, |
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// ColorMap cm, Integer iconWidth, Integer iconHeight) { |
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// |
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// BufferedImage imageForRule = new BufferedImage(iconWidth, iconHeight, |
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// BufferedImage.TYPE_INT_ARGB); |
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// |
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// final Color color = StylingUtil.getColorFromColorMapEntry(cme); |
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// |
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// // Paint a block |
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// for (int x = 0; x < iconWidth; x++) { |
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// for (int y = 0; y < iconHeight; y++) { |
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// int rgb = color.getRGB(); |
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// int rand = 2; |
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// |
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// // Paint a white border if the type is VALUES |
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// if ((x < rand) || (x > iconWidth - rand) || (y < rand) |
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// || (y > iconHeight - rand)) { |
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// if (cm.getType() == ColorMap.TYPE_VALUES) { |
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// rgb = Color.white.getRGB(); |
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// } |
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// } |
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// imageForRule.setRGB(x, y, rgb); |
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// } |
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// } |
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// return new ImageIcon(imageForRule); |
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// } |
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/** |
/** |
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* Creates a little BufferedImage that presents the Style/Symbols used by |
* Creates a little BufferedImage that presents the Style/Symbols used by |
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* the {@link MapLegend} to show a legend for the {@link SimpleFeatureType} |
* the {@link MapLegend} to show a legend for the {@link SimpleFeatureType} |
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// TODO scaleDenominator = 100000000000000000000000000000d; Was ist das |
// TODO scaleDenominator = 100000000000000000000000000000d; Was ist das |
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// fuer ein Quatsch? |
// fuer ein Quatsch? |
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final double scaleDenominator = 100000000000000000000000000000d; |
final NumberRange<Integer> scaleRange = NumberRange.create(Integer.MAX_VALUE,Integer.MAX_VALUE); |
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final NumberRange scaleRange = new NumberRange(scaleDenominator, |
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scaleDenominator); |
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try { |
try { |
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if (style2d != null) { |
if (style2d != null) { |
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new StyledShapePainter(null).paint(graphics, shape, |
new StyledShapePainter(null).paint(graphics, shape, |
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style2d, scaleDenominator); |
style2d, Integer.MAX_VALUE ); |
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} |
} |
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} |
} |
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} catch (Exception e) { |
} catch (Exception e) { |