@Override
public Feature decorate(Feature feature, KmlEncodingContext context) {
Placemark pm = (Placemark) feature;
// while it's possible to have more than one style object, GE will only paint
// the first one
Style style = pm.createAndAddStyle();
List<Symbolizer> symbolizers = context.getCurrentSymbolizers();
SimpleFeature sf = context.getCurrentFeature();
if (symbolizers.size() > 0 && sf.getDefaultGeometry() != null) {
// sort by point, text, line and polygon
Map<Class, List<Symbolizer>> classified = classifySymbolizers(symbolizers);
// if no point symbolizers, create a default one
List<Symbolizer> points = classified.get(PointSymbolizer.class);
if (points.size() == 0) {
if (context.isDescriptionEnabled()) {
setDefaultIconStyle(style, sf, context);
}
} else {
org.geotools.styling.Style wholeStyle = context.getCurrentLayer().getStyle();
IconProperties properties = IconPropertyExtractor.extractProperties(wholeStyle, sf);
setIconStyle(style, wholeStyle, properties, context);
}
// handle label styles
List<Symbolizer> texts = classified.get(TextSymbolizer.class);
if (texts.size() == 0) {
if (context.isDescriptionEnabled()) {
setDefaultLabelStyle(style);
}
} else {
// the XML schema allows only one text style, follow painter's model
// and set the last one
TextSymbolizer lastTextSymbolizer = (TextSymbolizer) texts.get(texts.size() - 1);
setLabelStyle(style, sf, lastTextSymbolizer);
}
// handle line styles
List<Symbolizer> lines = classified.get(LineSymbolizer.class);
// the XML schema allows only one line style, follow painter's model
// and set the last one
if (lines.size() > 0) {
LineSymbolizer lastLineSymbolizer = (LineSymbolizer) lines.get(lines.size() - 1);
setLineStyle(style, sf, lastLineSymbolizer.getStroke());
}
// handle polygon styles
boolean forceOutiline = lines.size() == 0;
List<Symbolizer> polygons = classified.get(PolygonSymbolizer.class);
if (polygons.size() > 0) {
// the XML schema allows only one polygon style, follow painter's model
// and set the last one
PolygonSymbolizer lastPolygonSymbolizer =
(PolygonSymbolizer) polygons.get(polygons.size() - 1);
setPolygonStyle(style, sf, lastPolygonSymbolizer, forceOutiline);
}
}
return feature;
}
public LineSymbolizerWrapper(Symbolizer symbolizer, RuleWrapper parent) {
super(symbolizer, parent);
LineSymbolizer lineSymbolizer = (LineSymbolizer) symbolizer;
// offset
Point2D offset = getOffset(lineSymbolizer);
if (offset != null) {
xOffset = String.valueOf(offset.getX());
yOffset = String.valueOf(offset.getY());
} else {
xOffset = DEFAULT_OFFSET;
yOffset = DEFAULT_OFFSET;
}
stroke = lineSymbolizer.getStroke();
if (stroke != null) {
Expression color = stroke.getColor();
strokeColor = expressionToString(color);
Expression width = stroke.getWidth();
strokeWidth = expressionToString(width);
Expression opacity = stroke.getOpacity();
strokeOpacity = expressionToString(opacity);
if (strokeColor == null) {
strokeColor = DEFAULT_COLOR;
stroke.setColor(ff.literal(DEFAULT_COLOR));
}
if (strokeOpacity == null) {
strokeOpacity = DEFAULT_OPACITY;
stroke.setOpacity(ff.literal(DEFAULT_OPACITY));
}
if (strokeWidth == null) {
strokeWidth = DEFAULT_WIDTH;
stroke.setWidth(ff.literal(DEFAULT_WIDTH));
}
strokeGraphicStroke = stroke.getGraphicStroke();
if (strokeGraphicStroke != null) {
List<GraphicalSymbol> graphicalSymbolsList = strokeGraphicStroke.graphicalSymbols();
if (graphicalSymbolsList.size() > 0) {
GraphicalSymbol graphicalSymbol = graphicalSymbolsList.get(0);
if (graphicalSymbol instanceof ExternalGraphic) {
strokeExternalGraphicStroke = (ExternalGraphic) graphicalSymbol;
}
}
}
// dash
float[] dashArray = stroke.getDashArray();
if (dashArray != null) {
dash = getDashString(dashArray);
} else {
dash = ""; // $NON-NLS-1$
}
// dashoffset
dashOffset = stroke.getDashOffset().evaluate(null, String.class);
// line cap
lineCap = stroke.getLineCap().evaluate(null, String.class);
// line join
lineJoin = stroke.getLineJoin().evaluate(null, String.class);
hasStroke = true;
} else {
hasStroke = false;
}
}