Application: gvSIG desktop

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.line.ILineSymbol;

import org.gvsig.tools.swing.api.TransparencySupport;

 * Basic fill symbol. It will allow to paint a shape with its filling color (and

 * transparency) and the outline.

 *

 * @author 2005-2008 jaume dominguez faus - jaume.dominguez@iver.es

 * @author 2009-     <a href="cordinyana@gvsig.org">César Ordiñana</a> - gvSIG

 * team

public class SimpleFillSymbol extends AbstractFillSymbol implements ISimpleFillSymbol, TransparencySupport {

    private static final String SIMPLE_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME = "SimpleFillSymbol";

    private static final Logger LOG = LoggerFactory.getLogger(SimpleFillSymbol.class);

    private static final GeometryManager geomManager = GeometryLocator.getGeometryManager();

    private SimpleFillSymbol symbolForSelection;

    private SimpleMarkerSymbol tempSymbol = new SimpleMarkerSymbol();

    private transient double transparency;

    public SimpleFillSymbol() {

        super();

        this.transparency = 1.0;

    }

    @Override

    public ISymbol getSymbolForSelection() {

        if (symbolForSelection == null) {

            SimpleFillSymbol selectionSymbol = (SimpleFillSymbol) cloneForSelection();

            if (selectionSymbol != null) {

                selectionSymbol.setHasFill(true);

                setSymbolForSelection(selectionSymbol);

            }

        } else {

            symbolForSelection.setColor(MapContext.getSelectionColor());

        }

        if (symbolForSelection instanceof TransparencySupport) {

            symbolForSelection.setTransparency(this.transparency);

        }

        return symbolForSelection;

    }

    public void draw(Graphics2D g, AffineTransform affineTransform,

            Geometry geom, Feature feature, Cancellable cancel) {

        Color c = getFillColor();

        c = new Color(c.getRed(), c.getGreen(), c.getBlue(), (int) (this.transparency * c.getAlpha()));

        if (true) {

                if (env2.getLength(0) < 1.5 && env2.getLength(1) < 1.5) {

                        if (getOutline().getColor() != null) {

            } catch (Exception ex) {

                LOG.warn("Error optimizing the drawing of the geometry. Continues with normal drawing.", ex);

        if (c != null && hasFill()) {

            g.setColor(c);

            g.fill(geom.getShape(affineTransform));

        }

        if (getOutline() != null && hasOutline()) {

            getOutline().draw(g, affineTransform, geom, feature, cancel);

        }

    }

    public int getSymbolType() {

        return Geometry.TYPES.SURFACE;

    }

    public void drawInsideRectangle(Graphics2D g,

            AffineTransform scaleInstance, Rectangle r, PrintAttributes properties) throws SymbolDrawingException {

        Rectangle rect = new Rectangle(r.x, r.y, r.width, r.height);

        rect.setFrame(((int) rect.getMinX()) + 1, ((int) rect.getMinY()) + 1, ((int) rect.getWidth()) - 2, ((int) rect.getHeight()) - 2);

        Geometry geom;

        try {

            geom = geomManager.createSurface(new GeneralPathX(rect.getPathIterator(null)), SUBTYPES.GEOM2D);

        } catch (CreateGeometryException e) {

            LOG.error("Creating a surface", e);

            throw new SymbolDrawingException(getSymbolType());

        }

        Color c = getFillColor();

        if (c != null && hasFill()) {

            g.setColor(c);

            g.fillRect(rect.x, rect.y, rect.width, rect.height);

        }

        if (getOutline() != null && hasOutline()) {

            if (properties == null) {

                getOutline().draw(g, scaleInstance, geom, null, null);

            } else {

                print(g, new AffineTransform(), geom, properties);

            }

        }

    }

    public String getClassName() {

        return getClass().getName();

    }

    public void print(Graphics2D g, AffineTransform at, Geometry geom, PrintAttributes properties) {

        Color c = getFillColor();

        if (c != null && hasFill()) {

            g.setColor(c);

            g.fill(geom.getShape(at));

        }

        if (getOutline() != null && hasOutline()) {

            getOutline().print(g, at, geom, properties);

        }

    }

    public Object clone() throws CloneNotSupportedException {

        SimpleFillSymbol copy = (SimpleFillSymbol) super.clone();

        // Clone selection

        if (symbolForSelection != null) {

            copy.symbolForSelection = (SimpleFillSymbol) symbolForSelection

                    .clone();

        }

        return copy;

    }

    private void setSymbolForSelection(SimpleFillSymbol symbolForSelection) {

        this.symbolForSelection = symbolForSelection;

    }

    public void loadFromState(PersistentState state)

            throws PersistenceException {

        // Set parent fill symbol properties

        super.loadFromState(state);

        setSymbolForSelection((SimpleFillSymbol) state.get(FIELD_SYMBOL_FOR_SELECTION));

    }

    public void saveToState(PersistentState state) throws PersistenceException {

        // Save parent fill symbol properties

        super.saveToState(state);

        // Don't use the getSymbolForSelection method, as it will create it

        // if it does not exist, and persistence will enter an infinite loop

        state.set(FIELD_SYMBOL_FOR_SELECTION, symbolForSelection);

    }

    @Override

    public void setTransparency(double transparency) {

        this.transparency = transparency;

        ILineSymbol theOutline = getOutline();

        if (theOutline != null && theOutline instanceof TransparencySupport) {

            ((TransparencySupport) theOutline).setTransparency(transparency);

        }

        ISymbol selectionSymbol = this.symbolForSelection;

        if (selectionSymbol != null && selectionSymbol instanceof TransparencySupport) {

            ((TransparencySupport) selectionSymbol).setTransparency(transparency);

        }

    }

    @Override

    public void setOutline(ILineSymbol outline) {

        super.setOutline(outline);

        if (outline != null && outline instanceof TransparencySupport) {

            ((TransparencySupport) outline).setTransparency(transparency);

        }

    }

    @Override

    public double getTransparency() {

        return this.transparency;

    }

    public static class RegisterPersistence implements Callable {

        public Object call() throws Exception {

            PersistenceManager manager = ToolsLocator.getPersistenceManager();

            if (manager.getDefinition(SIMPLE_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME) == null) {

                DynStruct definition = manager.addDefinition(

                        SimpleFillSymbol.class,

                        SIMPLE_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME,

                        SIMPLE_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME + " Persistence definition",

                        null,

                        null

                );

                // Extend the FillSymbol base definition

                definition.extend(manager.getDefinition(FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME));

                // Selection Symbol

                definition.addDynFieldObject(FIELD_SYMBOL_FOR_SELECTION).setClassOfValue(SimpleFillSymbol.class).setMandatory(false);

            }

            return Boolean.TRUE;

        }

    }

    public static class RegisterSymbol implements Callable {

        public Object call() throws Exception {

            int[] shapeTypes;

            SymbolManager manager = MapContextLocator.getSymbolManager();

            shapeTypes

                    = new int[]{Geometry.TYPES.SURFACE, Geometry.TYPES.CIRCLE,

                        Geometry.TYPES.ELLIPSE, Geometry.TYPES.MULTISURFACE,

                        Geometry.TYPES.ELLIPTICARC, Geometry.TYPES.FILLEDSPLINE,

                        Geometry.TYPES.MULTIPOLYGON, Geometry.TYPES.POLYGON

            manager.registerSymbol(IFillSymbol.SYMBOL_NAME,

                    shapeTypes,

                    SimpleFillSymbol.class);

            return Boolean.TRUE;

        }

    }