[Geoserver-devel] [JIRA] (GEOS-7698) Raster legend border colour ignored

Robert Ward (JIRA) Wed, 24 Aug 2016 06:10:54 -0700

Title: Message Title

Robert Ward created an issue

Issue Type:	Bug
Affects Versions:	2.8.4, 2.9.1
Assignee:	Unassigned
Components:	WMS
Created:	24/Aug/16 3:08 PM
Environment:	Java 1.8 Windows 7
Labels:	wms legend raster
Priority:	Medium
Reporter:	Robert Ward
Original Estimate:	1 hour
Remaining Estimate:	1 hour

The raster legend border colour is ignored.

In class org.geoserver.wms.legendgraphic.RasterLayerLegendHelper the method parseRequest() creates all the necessary objects with the correct legend configuration.

 
                                                                    private void parseRequest(final GetLegendGraphicRequest request,Style gt2Style,String ruleName) {

   ...
            // passing additional options
            cmapLegendBuilder.setAdditionalOptions(request.getLegendOptions());

...

            // adding the colormap entries
            final ColorMapEntry[] colorMapEntries = cmap.getColorMapEntries();
            ColorMapEntryLegendBuilder lastEntry = null;
            boolean first = true;
            for (ColorMapEntry ce : colorMapEntries) {
                if(ce == null) {
                    continue;
                }
                final Double qty = ce.getQuantity().evaluate(null, Double.class);
                if(cmap.getType() == ColorMap.TYPE_INTERVALS && first && qty < 0 && Double.isInfinite(qty)) {
                    continue;
                }
                lastEntry = cmapLegendBuilder.addColorMapEntry(ce);
                first = false;
            }
            if(lastEntry != null) {
                lastEntry.setLastRow();
            }

            // check the additional options before proceeding
            cmapLegendBuilder.checkAdditionalOptions();
}
 
                                                            

The following line creates all the necessary raster legend with configuration:

 
                                                                                lastEntry = cmapLegendBuilder.addColorMapEntry(ce);

However the border colour is not available until the following line is called:

 
                                                                            cmapLegendBuilder.checkAdditionalOptions();

This is after the colour entry objects are created hence the border colours are always black.

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