/** Encodes a KML IconStyle + PolyStyle from a polygon style and symbolizer. */
protected void setPolygonStyle(
Style style, SimpleFeature feature, PolygonSymbolizer symbolizer, boolean forceOutline) {
// if stroke specified add line style as well (it has to be before the fill, otherwise
// we'll get a white filling...)
if (symbolizer.getStroke() != null) {
setLineStyle(style, feature, symbolizer.getStroke());
}
// fill
PolyStyle ps = style.createAndSetPolyStyle();
Fill fill = symbolizer.getFill();
if (fill != null) {
// get opacity
Double opacity = fill.getOpacity().evaluate(feature, Double.class);
if (opacity == null || Double.isNaN(opacity)) {
opacity = 1.0;
}
Color color = (Color) fill.getColor().evaluate(feature, Color.class);
ps.setColor(colorToHex(color, opacity));
} else {
// make it transparent
ps.setColor("00aaaaaa");
}
// outline
if (symbolizer.getStroke() != null || forceOutline) {
ps.setOutline(true);
}
}
@Test
public void testConvertJsonElement() {
LineFillSymbol symbol = new LineFillSymbol();
String layerName = "test layer";
int transparency = 1;
JsonElement json = ParserUtils.readTestData("/LineFillSymbol.json");
assertNull(symbol.convertToFill(null, null, transparency));
List<Symbolizer> symbolizerList = symbol.convertToFill(layerName, json, transparency);
assertEquals(1, symbolizerList.size());
SupportingUtils.outputSymbolizer(symbolizerList);
PolygonSymbolizer polygon = (PolygonSymbolizer) symbolizerList.get(0);
Graphic graphicFill = polygon.getFill().getGraphicFill();
Mark mark = (Mark) graphicFill.graphicalSymbols().get(0);
assertNull(mark.getFill());
Stroke stroke = mark.getStroke();
String strokeColour = ((LiteralExpressionImpl) stroke.getColor()).toString();
assertEquals("#E60000", strokeColour);
assertEquals(
"shape://slash", (String) SupportingUtils.getExpressionValue(mark.getWellKnownName()));
assertEquals(
"#00FF00", (String) SupportingUtils.getExpressionValue(polygon.getStroke().getColor()));
}
private void quickPolygonSymbolizer() {
// quickPolygonSymbolizer start
StyleBuilder styleBuilder = new StyleBuilder();
FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2();
PolygonSymbolizer polygonSymbolizer = styleBuilder.createPolygonSymbolizer(Color.BLUE);
polygonSymbolizer.getFill().setOpacity(ff.literal(0.5)); // 50% blue
polygonSymbolizer.setStroke(styleBuilder.createStroke(Color.BLACK, 2.0));
// will create a default feature type style and rule etc...
Style style = styleBuilder.createStyle(polygonSymbolizer);
// quickPolygonSymbolizer end
}
@Test
public void testSEStyleWithRelativePath() throws IOException {
StyleInfo si = getCatalog().getStyleByName("relative");
assertNotNull(si);
Style style = si.getStyle();
PolygonSymbolizer ps =
(PolygonSymbolizer) style.featureTypeStyles().get(0).rules().get(0).symbolizers().get(0);
ExternalGraphic eg = (ExternalGraphic) ps.getFill().getGraphicFill().graphicalSymbols().get(0);
URI uri = eg.getOnlineResource().getLinkage();
assertNotNull(uri);
File actual = DataUtilities.urlToFile(uri.toURL()).getCanonicalFile();
assertEquals(rockFillSymbolFile, actual);
}