Examples of org.geotools.styling.Fill

org.geotools.styling.Fill
l.opengeospatial.org/files/?artifact_id=1188"> OGC Styled-Layer Descriptor Report (OGC 02-070) version 1.0.0.:
```
 <xsd:element name="Fill"> <xsd:annotation> <xsd:documentation> A "Fill" specifies the pattern for filling an area geometry. The allowed CssParameters are: "fill" (color) and "fill-opacity". </xsd:documentation> </xsd:annotation> <xsd:complexType> <xsd:sequence> <xsd:element ref="sld:GraphicFill" minOccurs="0"/> <xsd:element ref="sld:CssParameter" minOccurs="0" maxOccurs="unbounded"/> </xsd:sequence> </xsd:complexType> </xsd:element> 
```
Renderers can use this information when displaying styled features, though it must be remembered that not all renderers will be able to fully represent strokes as set out by this interface. For example, opacity may not be supported.

Notes:
- The graphical parameters and their values are derived from SVG/CSS2 standards with names and semantics which are as close as possible.
@author James Macgill, CCG @source $URL$ @version $Id$

    }
    return symbolizer;
  }


  private TextSymbolizer createTextSymbolizer(LabelStyleInfo labelStyle, LayerType layerType) {
    Fill fontFill = styleBuilder.createFill(styleBuilder.literalExpression(labelStyle.getFontStyle().getColor()),
        styleBuilder.literalExpression(labelStyle.getFontStyle().getOpacity()));
    TextSymbolizer symbolizer = styleBuilder.createTextSymbolizer();
    symbolizer.setFill(fontFill);
    FontStyleInfo fontInfo = labelStyle.getFontStyle();
    symbolizer.setFont(styleBuilder.createFont(styleBuilder.literalExpression(fontInfo.getFamily()),
        styleBuilder.literalExpression(fontInfo.getStyle()),
        styleBuilder.literalExpression(fontInfo.getWeight()),
        styleBuilder.literalExpression(fontInfo.getSize())));
    symbolizer.setLabel(styleBuilder.attributeExpression(labelStyle.getLabelAttributeName()));
    Fill haloFill = styleBuilder.createFill(
        styleBuilder.literalExpression(labelStyle.getBackgroundStyle().getFillColor()),
        styleBuilder.literalExpression(labelStyle.getBackgroundStyle().getFillOpacity()));
    symbolizer.setHalo(styleBuilder.createHalo(haloFill, 1));
    // label placement : point at bottom-center of label (same as vectorized)
    switch (layerType) {

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        if( stroke!=null )
            stroke.accept(this);
    }


    public void visit( PolygonSymbolizer arg0 ) {
        Fill fill = arg0.getFill();
        if (fill != null)
            fill.accept(this);
        Stroke stroke = arg0.getStroke();
        if( stroke!=null )
            stroke.accept(this);
    }

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        if( stroke!=null )
            stroke.accept(this);
    }


    public void visit( TextSymbolizer arg0 ) {
        Fill fill = arg0.getFill();
        if (fill != null)
            fill.accept(this);
    }

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    public void visit( Graphic arg0 ) {
        arg0.setOpacity( fac.literal(1.0));
    }


    public void visit( Mark arg0 ) {
        Fill fill = arg0.getFill();
        if (fill != null)
            fill.accept(this);


        Stroke stroke = arg0.getStroke();
        if( stroke!=null )
            stroke.accept(this);
    }

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    public void visit( LinePlacement arg0 ) {
        // nothing
    }


    public void visit( Halo arg0 ) {
        Fill fill = arg0.getFill();
        if (fill != null)
            fill.accept(this);
    }

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    public static Color polyFill(PolygonSymbolizer symbolizer) {
        if (symbolizer == null) {
            return null;
        }


        Fill fill = symbolizer.getFill();


        if (fill == null) {
            return null;
        }


        Expression color = fill.getColor();
        return color(color);
    }

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        }


        for( GraphicalSymbol gs : graphic.graphicalSymbols() ) {
            if ((gs != null) && (gs instanceof Mark)) {
                Mark mark = (Mark) gs;
                Fill fill = mark.getFill();
                if (fill != null) {
                    Color colour = color(fill.getColor());
                    if (colour == null) {
                        return null;
                    }
                    Expression opacity = fill.getOpacity();
                    if (opacity == null)
                        opacity = ff.literal(1.0);
                    float alpha = (float) Filters.asDouble(opacity);
                    colour = new Color(colour.getRed() / 255f, colour.getGreen() / 255f, colour.getBlue() / 255f, alpha);
                    if (colour != null) {

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    public void setFill(Fill fill2, Mode mode, Color defaultColor ) {
        listen( false );
        try {
            
            boolean enabled=true;
            Fill fill=fill2;
            if(fill==null ){
                StyleBuilder builder=new StyleBuilder(); 
                fill=builder.createFill(defaultColor, 0.5);
                enabled=false;
            }

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        SimpleFeatureType schema = getLayer().getSchema();
        geometryName.setInput(schema);
        String name = DEFAULT_GEOMETRY;


        Stroke stroke = null;
        Fill fill = null;
        Graphic graphic = null;
        TextSymbolizer text = null;
        LabelPlacement placement = null;


        List<Rule> rules = fts.rules();

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                } else if (symbolizer instanceof PolygonSymbolizer) {
                    PolygonSymbolizer polygonSymbolizer = (PolygonSymbolizer) symbolizer;
                    Stroke stroke = polygonSymbolizer.getStroke();
                    if (stroke != null)
                        graphics[0] = stroke.getGraphicStroke();
                    Fill fill = polygonSymbolizer.getFill();
                    if (fill != null)
                        graphics[1] = fill.getGraphicFill();
                }
                for( int i = 0; i < graphics.length; i++ ) {
                    if (graphics[i] != null) {
                        for( GraphicalSymbol gs : graphics[i].graphicalSymbols() ) {
                            if ((gs != null) && (gs instanceof ExternalGraphic)) {

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