/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2005-2008, 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.visitor;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.awt.Color;
import javax.measure.unit.SI;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.filter.IllegalFilterException;
import org.geotools.styling.FeatureTypeStyle;
import org.geotools.styling.Fill;
import org.geotools.styling.Font;
import org.geotools.styling.LineSymbolizer;
import org.geotools.styling.Mark;
import org.geotools.styling.PolygonSymbolizer;
import org.geotools.styling.RasterSymbolizer;
import org.geotools.styling.Rule;
import org.geotools.styling.Stroke;
import org.geotools.styling.Style;
import org.geotools.styling.StyleBuilder;
import org.geotools.styling.StyleFactory;
import org.geotools.styling.Symbolizer;
import org.geotools.styling.TextSymbolizer;
import org.junit.Before;
import org.junit.Test;
import org.opengis.filter.FilterFactory2;
/**
* Unit test for RescaleStyleVisitor.
*
* @author Jody Garnett (Refractions Research Inc)
*
*
* @source $URL$
*/
public class RescaleStyleVisitorTest {
StyleBuilder sb;
StyleFactory sf;
FilterFactory2 ff;
RescaleStyleVisitor visitor;
double scale;
@Before
public void setUp() throws Exception {
sf = CommonFactoryFinder.getStyleFactory(null);
ff = CommonFactoryFinder.getFilterFactory2(null);
sb = new StyleBuilder(sf, ff);
scale = 2.0;
visitor = new RescaleStyleVisitor( scale );
}
@Test
public void testStyleDuplication() throws IllegalFilterException {
//create a style
Style oldStyle = sb.createStyle("FTSName", sf.createPolygonSymbolizer());
oldStyle.getFeatureTypeStyles()[0].setSemanticTypeIdentifiers(new String[] {"simple", "generic:geometry"});
//duplicate it
oldStyle.accept(visitor);
Style newStyle = (Style) visitor.getCopy();
//compare it
assertNotNull(newStyle);
}
@Test
public void testStyle() throws Exception {
FeatureTypeStyle fts = sf.createFeatureTypeStyle();
fts.setFeatureTypeName("feature-type-1");
FeatureTypeStyle fts2 = fts2();
Style style = sf.getDefaultStyle();
style.addFeatureTypeStyle(fts);
style.addFeatureTypeStyle(fts2);
style.accept( visitor );
Style copy = (Style) visitor.getCopy();
Style notEq = sf.getDefaultStyle();
fts2 = fts2();
notEq.addFeatureTypeStyle(fts2);
}
private FeatureTypeStyle fts2() {
FeatureTypeStyle fts2 = sf.createFeatureTypeStyle();
Rule rule = sf.createRule();
fts2.addRule(rule);
fts2.setFeatureTypeName("feature-type-2");
return fts2;
}
@Test
public void testRule() throws Exception {
Symbolizer symb1 = sf.createLineSymbolizer(sf
.getDefaultStroke(), "geometry");
Symbolizer symb2 = sf.createPolygonSymbolizer(sf
.getDefaultStroke(), sf.getDefaultFill(), "shape");
RasterSymbolizer symb3 = sf.createRasterSymbolizer();
Rule rule = sf.createRule();
rule.setSymbolizers(new Symbolizer[] { symb1, symb2, symb3 });
rule.accept(visitor);
Rule clone = (Rule) visitor.getCopy();
assertNotNull( clone );
}
@Test
public void testStroke() throws Exception {
Stroke original = sb.createStroke(Color.RED, 2, new float[] {5, 10});
original.accept(visitor);
Stroke clone = (Stroke) visitor.getCopy();
assertEquals(4.0d, clone.getWidth().evaluate(null, Double.class), 0d);
assertEquals(10.0f, clone.getDashArray()[0], 0d);
assertEquals(20.0f, clone.getDashArray()[1], 0d);
}
@Test
public void testTextSymbolizer() throws Exception {
TextSymbolizer ts = sb.createTextSymbolizer(Color.BLACK, (Font) null, "label");
ts.getOptions().put(TextSymbolizer.MAX_DISPLACEMENT_KEY, "10");
ts.getOptions().put(TextSymbolizer.GRAPHIC_MARGIN_KEY, "10 20");
ts.accept(visitor);
TextSymbolizer clone = (TextSymbolizer) visitor.getCopy();
assertEquals("20", clone.getOptions().get(TextSymbolizer.MAX_DISPLACEMENT_KEY));
assertEquals("20 40", clone.getOptions().get(TextSymbolizer.GRAPHIC_MARGIN_KEY));
}
@Test
public void testTextSymbolizerArraySingleValue() throws Exception {
TextSymbolizer ts = sb.createTextSymbolizer(Color.BLACK, (Font) null, "label");
ts.getOptions().put(TextSymbolizer.GRAPHIC_MARGIN_KEY, "10");
ts.accept(visitor);
TextSymbolizer clone = (TextSymbolizer) visitor.getCopy();
assertEquals("20", clone.getOptions().get(TextSymbolizer.GRAPHIC_MARGIN_KEY));
}
@Test
public void testRescaleGraphicFillStrokes() {
// create a graphic that needs rescaling
StyleBuilder sb = new StyleBuilder();
// a graphic stroke
Stroke stroke = sb.createStroke();
stroke.setColor(null);
stroke.setGraphicStroke(sb.createGraphic(null, sb.createMark("square", null, sb.createStroke(1)), null));
// a graphic fill
Fill fill = sb.createFill();
fill.setColor(null);
fill.setGraphicFill(sb.createGraphic(null, sb.createMark("square", null, sb.createStroke(2)), null));
// a polygon and line symbolizer using them
PolygonSymbolizer ps = sb.createPolygonSymbolizer(stroke, fill);
// rescale it
ps.accept(visitor);
PolygonSymbolizer rps = (PolygonSymbolizer) visitor.getCopy();
Mark rm = (Mark) rps.getStroke().getGraphicStroke().graphicalSymbols().get(0);
assertEquals(2.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);
rm = (Mark) rps.getFill().getGraphicFill().graphicalSymbols().get(0);
assertEquals(4.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);
// a line symbolizer that uses a graphic stroke
LineSymbolizer ls = sb.createLineSymbolizer(stroke);
// rescale it
ls.accept(visitor);
LineSymbolizer lps = (LineSymbolizer) visitor.getCopy();
rm = (Mark) lps.getStroke().getGraphicStroke().graphicalSymbols().get(0);
assertEquals(2.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);
}
@Test
public void testRescaleLocalUOM() throws Exception {
Stroke original = sb.createStroke(Color.RED, 2, new float[] {5, 10});
original.setWidth(ff.literal("2m"));
original.accept(visitor);
Stroke clone = (Stroke) visitor.getCopy();
assertEquals("4m", clone.getWidth().evaluate(null, String.class));
}
@Test
public void testRescaleLocalPixelInMetersSymbolizer() throws Exception {
Stroke stroke = sb.createStroke(Color.RED, 2, new float[] {5, 10});
stroke.setWidth(ff.literal("2px"));
LineSymbolizer ls = sb.createLineSymbolizer(stroke);
ls.setUnitOfMeasure(SI.METER);
ls.accept(visitor);
LineSymbolizer clone = (LineSymbolizer) visitor.getCopy();
assertEquals("4px", clone.getStroke().getWidth().evaluate(null, String.class));
}
@Test
public void testRescaleLocalPixelInPixelSymbolizer() throws Exception {
Stroke stroke = sb.createStroke(Color.RED, 2, new float[] {5, 10});
stroke.setWidth(ff.literal("2px"));
LineSymbolizer ls = sb.createLineSymbolizer(stroke);
ls.accept(visitor);
LineSymbolizer clone = (LineSymbolizer) visitor.getCopy();
assertEquals("4", clone.getStroke().getWidth().evaluate(null, String.class));
}
}