Examples with Halo org.opengis.style.Halo used on opensource projects

Example 6 with Halo

use of org.opengis.style.Halo in project geotoolkit by Geomatys.

the class SE100toGTTransformer method visit.

/**
 * Transform a SLD v1.0 text symbolizer in GT text symbolizer.
 */
public TextSymbolizer visit(final org.geotoolkit.sld.xml.v100.TextSymbolizer tst) {
    if (tst == null)
        return null;
    final Expression label = visitExpression(tst.getLabel());
    final Font font = (tst.getFont() == null) ? styleFactory.font() : visit(tst.getFont());
    final LabelPlacement placement = (tst.getLabelPlacement() == null) ? styleFactory.pointPlacement() : visit(tst.getLabelPlacement());
    final Halo halo = visit(tst.getHalo());
    final Fill fill = visit(tst.getFill());
    final Unit uom = Units.POINT;
    final String geom = visitGeom(tst.getGeometry());
    final String name = null;
    final Description desc = StyleConstants.DEFAULT_DESCRIPTION;
    if (label == null)
        return null;
    return styleFactory.textSymbolizer(name, geom, desc, uom, label, font, placement, halo, fill);
}

Example 7 with Halo

use of org.opengis.style.Halo in project geotoolkit by Geomatys.

the class MapfileToSLDProcess method createTextSymbolizer.

private List<Symbolizer> createTextSymbolizer(final Expression label, final Feature lblStyle) {
    Expression expLabelColor = (Expression) lblStyle.getPropertyValue(LABEL_COLOR.toString());
    Expression expLabelSize = (Expression) lblStyle.getPropertyValue(LABEL_SIZE.toString());
    Expression expHaloColor = (Expression) lblStyle.getPropertyValue(LABEL_OUTLINECOLOR.toString());
    Integer valHaloWidth = (Integer) lblStyle.getPropertyValue(LABEL_OUTLINEWIDTH.toString());
    String valAngle = (String) lblStyle.getPropertyValue(LABEL_ANGLE.toString());
    if (expLabelColor == null) {
        expLabelColor = SF.literal(Color.BLACK);
    }
    if (expLabelSize == null) {
        expLabelSize = DEFAULT_FONT_SIZE;
    }
    if (expHaloColor == null) {
        expHaloColor = SF.literal(Color.WHITE);
    }
    if (valHaloWidth == null) {
        valHaloWidth = 0;
    }
    Expression expHaloWidth = FF.literal(valHaloWidth);
    final List<Symbolizer> symbolizers = new ArrayList<Symbolizer>();
    LabelPlacement placement = SF.pointPlacement();
    if (valAngle != null) {
        if ("FOLLOW".equalsIgnoreCase(valAngle) || "AUTO".equalsIgnoreCase(valAngle)) {
            final Expression offset = FF.divide(expLabelSize, FF.literal(-2));
            final Expression initial = FF.literal(20);
            Expression gap = LITERAL_ZERO_FLOAT;
            boolean repeated = false;
            final boolean aligned = false;
            final boolean generalize = false;
            Integer minDistance = (Integer) lblStyle.getPropertyValue(LABEL_MINDISTANCE.toString());
            if (minDistance != null) {
                repeated = true;
                gap = FF.literal(minDistance);
            }
            placement = SF.linePlacement(offset, initial, gap, repeated, aligned, generalize);
        } else {
            Expression rotation = LITERAL_ZERO_FLOAT;
            // try if it's a number
            try {
                double d = Double.valueOf(valAngle);
                rotation = FF.literal(d);
            } catch (Exception ex) {
            }
            placement = SF.pointPlacement(DEFAULT_ANCHOR_POINT, DEFAULT_DISPLACEMENT, rotation);
        }
    }
    // general informations
    final String name = "";
    final Description desc = DEFAULT_DESCRIPTION;
    // use the default geometry of the feature
    final String geometry = null;
    final Unit unit = Units.POINT;
    final Font font = SF.font(FF.literal("Arial"), FONT_STYLE_NORMAL, FONT_WEIGHT_NORMAL, expLabelSize);
    final Halo halo = SF.halo(SF.fill(expHaloColor), expHaloWidth);
    final Fill fill = SF.fill(expLabelColor);
    final TextSymbolizer symbol = SF.textSymbolizer(name, geometry, desc, unit, label, font, placement, halo, fill);
    symbolizers.add(symbol);
    return symbolizers;
}

Example 8 with Halo

use of org.opengis.style.Halo in project geotoolkit by Geomatys.

the class Styles method linedText.

public static MutableStyle linedText() {
    // general informations
    final String name = "mySymbol";
    final Description desc = DEFAULT_DESCRIPTION;
    // use the default geometry of the feature
    final String geometry = null;
    final Unit unit = Units.POINT;
    final Expression label = FF.property("CNTRY_NAME");
    final Font font = SF.font(FF.literal("Arial"), FONT_STYLE_ITALIC, FONT_WEIGHT_BOLD, FF.literal(14));
    final LabelPlacement placement = SF.linePlacement(FF.literal(0));
    final Halo halo = SF.halo(Color.WHITE, 1);
    final Fill fill = SF.fill(Color.BLUE);
    final TextSymbolizer symbol = SF.textSymbolizer(name, geometry, desc, unit, label, font, placement, halo, fill);
    final MutableStyle style = SF.style(DEFAULT_POLYGON_SYMBOLIZER, symbol);
    return style;
}

Example 9 with Halo

use of org.opengis.style.Halo in project geotoolkit by Geomatys.

the class DefaultStyleVisitor method visit.

@Override
public Object visit(final TextSymbolizer textSymbolizer, Object data) {
    final Fill fill = textSymbolizer.getFill();
    if (fill != null) {
        data = fill.accept(this, data);
    }
    final Font font = textSymbolizer.getFont();
    if (font != null) {
        data = font.accept(this, data);
    }
    final Halo halo = textSymbolizer.getHalo();
    if (halo != null) {
        data = halo.accept(this, data);
    }
    final Expression label = textSymbolizer.getLabel();
    if (label != null) {
        visit(label, data);
    }
    final LabelPlacement place = textSymbolizer.getLabelPlacement();
    if (place != null) {
        data = place.accept(this, data);
    }
    return data;
}

Example 10 with Halo

use of org.opengis.style.Halo in project geotoolkit by Geomatys.

the class ListingPropertyVisitor method visit.

@Override
public Object visit(final TextSymbolizer textSymbolizer, Object data) {
    visitGeomName(textSymbolizer, data);
    final Fill fill = textSymbolizer.getFill();
    if (fill != null) {
        data = fill.accept(this, data);
    }
    final Font font = textSymbolizer.getFont();
    if (font != null) {
        data = font.accept(this, data);
    }
    final Halo halo = textSymbolizer.getHalo();
    if (halo != null) {
        data = halo.accept(this, data);
    }
    final Expression label = textSymbolizer.getLabel();
    if (label != null) {
        visit(label, (Collection<String>) data);
    }
    final LabelPlacement place = textSymbolizer.getLabelPlacement();
    if (place != null) {
        data = place.accept(this, data);
    }
    return data;
}