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• AbstractStyleFactory.java

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org.geotools.styling.AbstractStyleFactory Maven / Gradle / Ivy

/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 */
package org.geotools.styling;

import java.awt.RenderingHints;
import java.net.URL;
import java.util.Collections;
import java.util.Map;
import javax.swing.Icon;
import org.opengis.filter.expression.Expression;

/** Abstract base class for implementing style factories. */
public abstract class AbstractStyleFactory implements StyleFactory {
    public abstract TextSymbolizer createTextSymbolizer(
            Fill fill,
            Font[] fonts,
            Halo halo,
            Expression label,
            LabelPlacement labelPlacement,
            String geometryPropertyName);

    public abstract ExternalGraphic createExternalGraphic(URL url, String format);

    public abstract ExternalGraphic createExternalGraphic(String uri, String format);

    public abstract ExternalGraphic createExternalGraphic(Icon inlineContent, String format);

    public abstract AnchorPoint createAnchorPoint(Expression x, Expression y);

    public abstract Displacement createDisplacement(Expression x, Expression y);

    //    public abstract LinePlacement createLinePlacement();
    public abstract PointSymbolizer createPointSymbolizer();

    //    public abstract PointPlacement createPointPlacement();
    public abstract Mark createMark(
            Expression wellKnownName,
            Stroke stroke,
            Fill fill,
            Expression size,
            Expression rotation);

    /**
     * Convinence method for obtaining a mark of a fixed shape
     *
     * @return a Mark that matches the name in this method.
     */
    public abstract Mark getCircleMark();

    /**
     * Convinence method for obtaining a mark of a fixed shape
     *
     * @return a Mark that matches the name in this method.
     */
    public abstract Mark getXMark();

    /**
     * Convinence method for obtaining a mark of a fixed shape
     *
     * @return a Mark that matches the name in this method.
     */
    public abstract Mark getStarMark();

    /**
     * Convinence method for obtaining a mark of a fixed shape
     *
     * @return a Mark that matches the name in this method.
     */
    public abstract Mark getSquareMark();

    /**
     * Convinence method for obtaining a mark of a fixed shape
     *
     * @return a Mark that matches the name in this method.
     */
    public abstract Mark getCrossMark();

    /**
     * Convinence method for obtaining a mark of a fixed shape
     *
     * @return a Mark that matches the name in this method.
     */
    public abstract Mark getTriangleMark();

    public abstract FeatureTypeStyle createFeatureTypeStyle(Rule[] rules);

    public abstract LinePlacement createLinePlacement(Expression offset);

    public abstract PolygonSymbolizer createPolygonSymbolizer();

    public abstract Halo createHalo(Fill fill, Expression radius);

    public abstract Fill createFill(
            Expression color, Expression backgroundColor, Expression opacity, Graphic graphicFill);

    public abstract LineSymbolizer createLineSymbolizer();

    public abstract PointSymbolizer createPointSymbolizer(
            Graphic graphic, String geometryPropertyName);

    public abstract Style createStyle();

    public abstract NamedStyle createNamedStyle();

    public abstract Fill createFill(Expression color, Expression opacity);

    public abstract Fill createFill(Expression color);

    public abstract TextSymbolizer createTextSymbolizer();

    public abstract PointPlacement createPointPlacement(
            AnchorPoint anchorPoint, Displacement displacement, Expression rotation);

    /**
     * A convienice method to make a simple stroke
     *
     * @param color the color of the line
     * @param width the width of the line
     * @return the stroke object
     * @see org.geotools.stroke
     */
    public abstract Stroke createStroke(Expression color, Expression width);

    /**
     * A convienice method to make a simple stroke
     *
     * @param color the color of the line
     * @param width The width of the line
     * @param opacity The opacity of the line
     * @return The stroke
     * @see org.geotools.stroke
     */
    public abstract Stroke createStroke(Expression color, Expression width, Expression opacity);

    /**
     * creates a stroke
     *
     * @param color The color of the line
     * @param width The width of the line
     * @param opacity The opacity of the line
     * @param lineJoin - the type of Line joint
     * @param lineCap - the type of line cap
     * @param dashArray - an array of floats describing the dashes in the line
     * @param dashOffset - where in the dash array to start drawing from
     * @param graphicFill - a graphic object to fill the line with
     * @param graphicStroke - a graphic object to draw the line with
     * @return The completed stroke.
     * @see org.geotools.stroke
     */
    public abstract Stroke createStroke(
            Expression color,
            Expression width,
            Expression opacity,
            Expression lineJoin,
            Expression lineCap,
            float[] dashArray,
            Expression dashOffset,
            Graphic graphicFill,
            Graphic graphicStroke);

    public abstract Rule createRule();

    public abstract LineSymbolizer createLineSymbolizer(Stroke stroke, String geometryPropertyName);

    public abstract FeatureTypeStyle createFeatureTypeStyle();

    public abstract Graphic createGraphic(
            ExternalGraphic[] externalGraphics,
            Mark[] marks,
            Symbol[] symbols,
            Expression opacity,
            Expression size,
            Expression rotation);

    public abstract Font createFont(
            Expression fontFamily,
            Expression fontStyle,
            Expression fontWeight,
            Expression fontSize);

    public abstract Mark createMark();

    public abstract PolygonSymbolizer createPolygonSymbolizer(
            Stroke stroke, Fill fill, String geometryPropertyName);

    public abstract RasterSymbolizer createRasterSymbolizer(
            String geometryPropertyName,
            Expression opacity,
            ChannelSelection channel,
            Expression overlap,
            ColorMap colorMap,
            ContrastEnhancement ce,
            ShadedRelief relief,
            Symbolizer outline);

    public abstract RasterSymbolizer getDefaultRasterSymbolizer();

    public abstract SelectedChannelType createSelectedChannelType(
            Expression name, Expression enhancement);

    public abstract SelectedChannelType createSelectedChannelType(
            String name, ContrastEnhancement enhancement);

    public abstract ColorMap createColorMap();

    public abstract ColorMapEntry createColorMapEntry();

    public abstract Style getDefaultStyle();

    public abstract Stroke getDefaultStroke();

    public abstract Fill getDefaultFill();

    public abstract Mark getDefaultMark();

    public abstract PointSymbolizer getDefaultPointSymbolizer();

    public abstract PolygonSymbolizer getDefaultPolygonSymbolizer();

    public abstract LineSymbolizer getDefaultLineSymbolizer();

    /**
     * Creates a default Text Symbolizer, using the defaultFill, defaultFont and
     * defaultPointPlacement, Sets the geometry attribute name to be geometry:text. No Halo is set.
     * The label is not set
     *
     * @return A default TextSymbolizer
     */
    public abstract TextSymbolizer getDefaultTextSymbolizer();

    public abstract Graphic getDefaultGraphic();

    public abstract Font getDefaultFont();

    public abstract PointPlacement getDefaultPointPlacement();

    /**
     * Returns implementation hints for this factory. The default implementation returns an empty
     * map.
     */
    public Map getImplementationHints() {
        return Collections.emptyMap();
    }
}