Revision 2267
| org.gvsig.legend.heatmap/trunk/org.gvsig.legend.heatmap/org.gvsig.legend.heatmap.lib/org.gvsig.legend.heatmap.lib.impl/src/main/java/org/gvsig/legend/heatmap/lib/impl/DefaultHeatmapLegend.java | ||
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| 8 | 8 |
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import org.apache.commons.lang3.StringUtils; |
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import org.cresques.cts.ICoordTrans; |
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import org.gvsig.compat.print.PrintAttributes; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.Feature; |
| ... | ... | |
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} |
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public void setDistance(int distance) {
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if( this.distance == distance ) {
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return; |
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} |
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this.distance = distance; |
| 60 | 64 |
this.kernel = new double[2 * this.distance + 1][2 * this.distance + 1]; |
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for( int y = -this.distance; y < this.distance + 1; y++ ) {
|
| ... | ... | |
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} |
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} |
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public void draw(BufferedImage img, Graphics2D g, Color[] colorTable, Cancellable cancel) {
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public void drawWithOpaqueColors(BufferedImage img, Graphics2D g, Color[] colorTable, Cancellable cancel) {
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try {
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ToolsSwingManager toolsSwingManager = ToolsSwingLocator.getToolsSwingManager(); |
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Color c; |
| ... | ... | |
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LOG.warn("Problems drawing heatmap", ex);
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} |
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} |
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public void drawWithAlphaColors(BufferedImage img, Graphics2D g, Color[] colorTable, Cancellable cancel) {
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try {
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Color c; |
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int maxIndexColor = colorTable.length-1; |
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for( int x = 0; x < with; x++ ) {
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for( int y = 0; y < height; y++ ) {
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if( cancel.isCanceled() ) {
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return; |
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} |
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double value = this.grid[x][y]; |
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if( value > 0 ) {
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int icolor = (int) (value * maxIndexColor / maxValue); |
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c = colorTable[icolor]; |
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img.setRGB(x, y, c.getRGB()); |
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} |
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} |
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} |
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} catch (Exception ex) {
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LOG.warn("Problems drawing heatmap", ex);
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} |
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} |
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} |
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|
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private ISymbol defaultSymbol; |
| ... | ... | |
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@Override |
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protected void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, Map queryParameters, ICoordTrans coordTrans, FeatureStore featureStore, FeatureQuery featureQuery, double dpi) throws LegendException {
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this.algorithm.init(image.getWidth(), image.getHeight()); |
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super.draw(image, g, viewPort, cancel, scale, queryParameters, coordTrans, featureStore, featureQuery, dpi); |
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if( !cancel.isCanceled() ) {
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this.algorithm.draw(image, g, this.getHeatMapColorTable().getColorTable(), cancel); |
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int saved_distance = this.algorithm.getDistance(); |
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try {
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int distance = (int) (this.algorithm.getDistance() * (dpi / 72)); |
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this.algorithm.setDistance(distance); |
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this.algorithm.init(image.getWidth(), image.getHeight()); |
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super.draw(image, g, viewPort, cancel, scale, queryParameters, coordTrans, featureStore, featureQuery, dpi); |
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if( !cancel.isCanceled() ) {
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this.algorithm.drawWithOpaqueColors(image, g, this.getHeatMapColorTable().getColorTable(), cancel); |
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} |
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} finally {
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this.algorithm.setDistance(saved_distance); |
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} |
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} |
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@Override |
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public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, |
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double scale, Map queryParameters, ICoordTrans coordTrans, |
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FeatureStore featureStore, FeatureQuery featureQuery, PrintAttributes properties) |
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throws LegendException {
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int saved_distance = this.algorithm.getDistance(); |
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try {
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double dpi = viewPort.getDPI(); |
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// Ver CartographicSupportToolkit.getCartographicLength |
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int distance = (int) (this.algorithm.getDistance() * (dpi / 72)); |
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this.algorithm.setDistance(distance); |
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this.algorithm.init(viewPort.getImageWidth(), viewPort.getImageHeight()); |
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BufferedImage image = new BufferedImage(viewPort.getImageWidth(), viewPort.getImageHeight(), BufferedImage.TYPE_INT_ARGB); |
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super.draw(image, g, viewPort, cancel, scale, queryParameters, coordTrans, featureStore, featureQuery, dpi); |
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if (!cancel.isCanceled()) {
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this.algorithm.drawWithAlphaColors(image, g, this.getHeatMapColorTable().getColorTable(), cancel); |
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g.drawImage(image, 0, 0, null); |
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} |
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} finally {
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this.algorithm.setDistance(saved_distance); |
|
| 225 | 281 |
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} |
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} |
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@Override |
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protected void drawFeatures( |
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BufferedImage image, |
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