root / trunk / extensions / extSymbology / src / org / gvsig / symbology / Utils.java @ 22501
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.symbology; |
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import java.awt.Color; |
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import java.io.File; |
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import java.io.IOException; |
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import org.gvsig.symbology.fmap.symbols.LineFillSymbol; |
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import org.gvsig.symbology.fmap.symbols.PictureMarkerSymbol; |
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import com.iver.cit.gvsig.fmap.core.CartographicSupport; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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import com.iver.cit.gvsig.fmap.core.styles.SimpleLineStyle; |
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import com.iver.cit.gvsig.fmap.core.symbols.AbstractSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.IFillSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.ILineSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.IMarkerSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.IMultiLayerSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.ITextSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.MultiShapeSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleMarkerSymbol; |
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import com.iver.cit.gvsig.fmap.core.v02.FConstant; |
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import com.iver.cit.gvsig.fmap.core.v02.FSymbol; |
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public class Utils { |
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public static ISymbol deriveFSymbol(FSymbol fSymbol) { |
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ISymbol derivedSymbol; |
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int symbolType = fSymbol.getSymbolType();
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Color color = fSymbol.getColor();
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double size = fSymbol.getSize();
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int unit = fSymbol.isSizeInPixels() ? -1 : 1; // only meters or pixels |
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// were supported in
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// FSymbol
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if (symbolType == FShape.LINE) {
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ILineSymbol line = SymbologyFactory.createDefaultLineSymbol(); |
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line.setLineColor(color); |
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SimpleLineStyle lineStyle = new SimpleLineStyle();
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lineStyle.setUnit(unit); |
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lineStyle.setStroke(fSymbol.getStroke()); |
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lineStyle.setOffset(0);
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lineStyle.setReferenceSystem(CartographicSupport.WORLD); |
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lineStyle.setLineWidth((float) size);
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line.setLineStyle(lineStyle); |
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derivedSymbol = line; |
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} else if (symbolType == FShape.POINT) { |
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int style = fSymbol.getStyle();
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IMarkerSymbol marker; |
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if (style == FConstant.SYMBOL_STYLE_MARKER_IMAGEN) {
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marker = new PictureMarkerSymbol();
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PictureMarkerSymbol pic = (PictureMarkerSymbol) marker; |
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try {
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pic.setImage(new File(fSymbol.getIconURI().getPath()).toURL()); |
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} catch (IOException e) { |
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// image could not be restored,
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// will use a regular point as symbol
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fSymbol.setStyle(FConstant.SYMBOL_STYLE_MARKER_CIRCLE); |
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return deriveFSymbol(fSymbol);
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} |
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} else {
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marker = new SimpleMarkerSymbol();
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SimpleMarkerSymbol sms = (SimpleMarkerSymbol) marker; |
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if (style == FConstant.SYMBOL_STYLE_MARKER_CIRCLE) {
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sms.setStyle(SimpleMarkerSymbol.CIRCLE_STYLE); |
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} else if (style == FConstant.SYMBOL_STYLE_MARKER_CROSS) { |
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sms.setStyle(SimpleMarkerSymbol.CROSS_STYLE); |
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} else if (style == FConstant.SYMBOL_STYLE_MARKER_SQUARE) { |
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sms.setStyle(SimpleMarkerSymbol.SQUARE_STYLE); |
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} else if (style == FConstant.SYMBOL_STYLE_MARKER_TRIANGLE) { |
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sms.setStyle(SimpleMarkerSymbol.TRIANGLE_STYLE); |
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} |
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Color outlineColor = fSymbol.getOutlineColor();
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if (outlineColor != null) { |
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sms.setOutlined(true);
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sms.setOutlineColor(outlineColor); |
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} |
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} |
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marker.setColor(color); |
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marker.setSize(size); |
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marker.setRotation(fSymbol.getRotation()); |
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derivedSymbol = marker; |
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} else if (symbolType == FShape.POLYGON) { |
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IFillSymbol fill; |
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int fSymbolStyle = fSymbol.getStyle();
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color = null;
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if (fSymbolStyle == FConstant.SYMBOL_STYLE_FILL_SOLID) {
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fill = SymbologyFactory.createDefaultFillSymbol(); |
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color = fSymbol.getColor(); |
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} else if (fSymbolStyle == FConstant.SYMBOL_STYLE_FILL_TRANSPARENT || |
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fSymbolStyle == FConstant.SYMBOL_STYLE_DGNSPECIAL) {
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fill = SymbologyFactory.createDefaultFillSymbol(); |
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} else {
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// lets see how to derive FSymbol with fill patterns
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if (fSymbolStyle == FConstant.SYMBOL_STYLE_FILL_CROSS) {
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// the cross will be substituted by two line fill symbols
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// with
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// perpendicular line angles mixed into a multilayer symbol
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IMultiLayerSymbol mfs = SymbologyFactory.createEmptyMultiLayerSymbol(FShape.POLYGON); |
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fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_VERTICAL); |
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LineFillSymbol firstLayer = (LineFillSymbol) deriveFSymbol(fSymbol); |
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fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_HORIZONTAL); |
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LineFillSymbol secondLayer = (LineFillSymbol) deriveFSymbol(fSymbol); |
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mfs.addLayer(firstLayer); |
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mfs.addLayer(secondLayer); |
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fill = (IFillSymbol) mfs; |
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fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_CROSS); // restore
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// old
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// style
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// (just
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// in
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// case)
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} else if (fSymbolStyle == FConstant.SYMBOL_STYLE_FILL_CROSS_DIAGONAL ) { |
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// the cross will be substituted by two line fill symbols
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// with
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// perpendicular line angles mixed into a multilayer symbol
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IMultiLayerSymbol mfs = SymbologyFactory.createEmptyMultiLayerSymbol(FShape.POLYGON); |
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fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_UPWARD_DIAGONAL); |
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LineFillSymbol firstLayer = (LineFillSymbol) deriveFSymbol(fSymbol); |
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fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_DOWNWARD_DIAGONAL); |
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LineFillSymbol secondLayer = (LineFillSymbol) deriveFSymbol(fSymbol); |
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mfs.addLayer(firstLayer); |
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mfs.addLayer(secondLayer); |
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fill = (IFillSymbol) mfs; |
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fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_CROSS_DIAGONAL); // restore
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// old
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// style
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// (just
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// in
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// case)
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} else {
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LineFillSymbol lfs = new LineFillSymbol();
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// Let's create the filling line symbol
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fSymbol.setSymbolType(FShape.LINE); |
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ILineSymbol lineSymbol = (ILineSymbol) deriveFSymbol(fSymbol); |
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SimpleLineStyle lineStyle = new SimpleLineStyle();
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lineStyle.setLineWidth(1f);
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lineSymbol.setLineStyle(lineStyle); |
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// restore the old value for symbol type (should be always
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// FShape.POLYGON)
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assert symbolType == FShape.POLYGON;
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fSymbol.setSymbolType(symbolType); |
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double angle = 0; |
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switch (fSymbolStyle) {
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case FConstant.SYMBOL_STYLE_FILL_UPWARD_DIAGONAL:
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angle = 45;
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break;
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case FConstant.SYMBOL_STYLE_FILL_VERTICAL:
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angle = 90;
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break;
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case FConstant.SYMBOL_STYLE_FILL_HORIZONTAL:
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angle = 0;
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break;
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case FConstant.SYMBOL_STYLE_FILL_DOWNWARD_DIAGONAL:
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angle = -45;
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break;
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} |
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lfs.setSeparation(10);
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lfs.setAngle(angle*FConstant.DEGREE_TO_RADIANS); |
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lfs.setLineSymbol(lineSymbol); |
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fill = lfs; |
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} |
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} |
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fill.setFillColor(color); |
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if (fSymbol.isOutlined()) {
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// Let's create the outline line symbol
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fSymbol.setSymbolType(FShape.LINE); |
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ILineSymbol outline = (ILineSymbol) deriveFSymbol(fSymbol); |
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// restore the old value for symbol type (should be always
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// FShape.POLYGON)
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assert symbolType == FShape.POLYGON;
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fSymbol.setSymbolType(symbolType); |
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outline.setLineColor(fSymbol.getOutlineColor()); |
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fill.setOutline(outline); |
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} |
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derivedSymbol = fill; |
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} else if (symbolType == FShape.MULTI) { |
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fSymbol.setSymbolType(FShape.LINE); |
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ILineSymbol line = (ILineSymbol) deriveFSymbol(fSymbol); |
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fSymbol.setSymbolType(FShape.POINT); |
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IMarkerSymbol marker = (IMarkerSymbol) deriveFSymbol(fSymbol); |
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fSymbol.setSymbolType(FShape.POLYGON); |
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IFillSymbol fill = (IFillSymbol) deriveFSymbol(fSymbol); |
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assert symbolType == FShape.MULTI;
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fSymbol.setSymbolType(symbolType); |
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MultiShapeSymbol multiShapeSymbol = new MultiShapeSymbol();
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multiShapeSymbol.setMarkerSymbol(marker); |
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multiShapeSymbol.setLineSymbol(line); |
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multiShapeSymbol.setFillSymbol(fill); |
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derivedSymbol = multiShapeSymbol; |
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} else if (symbolType == FShape.TEXT) { |
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ITextSymbol textSym = SymbologyFactory.createDefaultTextSymbol(); |
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textSym.setTextColor(color); |
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derivedSymbol = textSym; |
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} else {
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throw new Error("FSymbol of type "+symbolType+" cannot be imported yet!"); |
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} |
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// establish the general description;
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if (derivedSymbol instanceof AbstractSymbol) { |
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AbstractSymbol symbol = (AbstractSymbol) derivedSymbol; |
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symbol.setIsShapeVisible(true);
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symbol.setDescription(fSymbol.getDescription()); |
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} |
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if (derivedSymbol instanceof CartographicSupport) { |
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CartographicSupport cs = (CartographicSupport) derivedSymbol; |
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// the only options allowed by the old FSymbol class
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cs.setUnit(unit); |
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cs.setReferenceSystem(CartographicSupport.WORLD); |
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} |
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return derivedSymbol;
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} |
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} |