Revision: 5986
http://sourceforge.net/p/jump-pilot/code/5986
Author: ma15569
Date: 2018-10-30 14:13:25 +0000 (Tue, 30 Oct 2018)
Log Message:
-----------
Method to get available values of styles from a feature collection
Modified Paths:
--------------
core/trunk/src/com/vividsolutions/jump/workbench/ui/renderer/style/StyleUtil.java
Modified:
core/trunk/src/com/vividsolutions/jump/workbench/ui/renderer/style/StyleUtil.java
===================================================================
---
core/trunk/src/com/vividsolutions/jump/workbench/ui/renderer/style/StyleUtil.java
2018-10-30 13:34:49 UTC (rev 5985)
+++
core/trunk/src/com/vividsolutions/jump/workbench/ui/renderer/style/StyleUtil.java
2018-10-30 14:13:25 UTC (rev 5986)
@@ -31,39 +31,44 @@
*/
package com.vividsolutions.jump.workbench.ui.renderer.style;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.Paint;
+import java.awt.Shape;
+import java.awt.Stroke;
+import java.awt.geom.GeneralPath;
+import java.awt.geom.NoninvertibleTransformException;
+import java.util.Iterator;
+import java.util.Set;
+import java.util.TreeSet;
+
import com.vividsolutions.jts.geom.Envelope;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryCollection;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.MultiLineString;
-import com.vividsolutions.jts.geom.TopologyException;
-import com.vividsolutions.jts.util.AssertionFailedException;
-
+import com.vividsolutions.jump.feature.Feature;
+import com.vividsolutions.jump.feature.FeatureCollection;
import com.vividsolutions.jump.geom.EnvelopeUtil;
import com.vividsolutions.jump.workbench.ui.Viewport;
-import java.awt.*;
-import java.awt.geom.GeneralPath;
-import java.awt.geom.NoninvertibleTransformException;
-
-
public class StyleUtil {
/**
* Smart enough to not fill LineStrings.
*/
public static void paint(Geometry geometry, Graphics2D g,
- Viewport viewport, boolean renderingFill, Stroke fillStroke,
- Paint fillPaint, boolean renderingLine, Stroke lineStroke,
- Color lineColor) throws NoninvertibleTransformException {
+ Viewport viewport, boolean renderingFill, Stroke fillStroke,
+ Paint fillPaint, boolean renderingLine, Stroke lineStroke,
+ Color lineColor) throws NoninvertibleTransformException {
if (geometry instanceof GeometryCollection) {
paintGeometryCollection((GeometryCollection) geometry, g, viewport,
- renderingFill, fillStroke, fillPaint, renderingLine,
- lineStroke, lineColor);
+ renderingFill, fillStroke, fillPaint, renderingLine,
+ lineStroke, lineColor);
return;
}
- Shape shape = toShape(geometry, viewport);
+ final Shape shape = toShape(geometry, viewport);
if (!(shape instanceof GeneralPath) && renderingFill) {
g.setStroke(fillStroke);
g.setPaint(fillPaint);
@@ -77,80 +82,113 @@
}
private static void paintGeometryCollection(GeometryCollection collection,
- Graphics2D g, Viewport viewport, boolean renderingFill,
- Stroke fillStroke, Paint fillPaint, boolean renderingLine,
- Stroke lineStroke, Color lineColor)
- throws NoninvertibleTransformException {
- //For GeometryCollections, render each element separately. Otherwise,
- //for example, if you pass in a GeometryCollection containing a ring
and a
- // disk, you cannot render them as such: if you use Graphics.fill,
you'll get
- //two disks, and if you use Graphics.draw, you'll get two rings. [Jon
Aquino]
+ Graphics2D g, Viewport viewport, boolean renderingFill,
+ Stroke fillStroke, Paint fillPaint, boolean renderingLine,
+ Stroke lineStroke, Color lineColor)
+ throws NoninvertibleTransformException {
+ // For GeometryCollections, render each element separately. Otherwise,
+ // for example, if you pass in a GeometryCollection containing a ring
+ // and a
+ // disk, you cannot render them as such: if you use Graphics.fill,
+ // you'll get
+ // two disks, and if you use Graphics.draw, you'll get two rings. [Jon
+ // Aquino]
for (int i = 0; i < collection.getNumGeometries(); i++) {
paint(collection.getGeometryN(i), g, viewport, renderingFill,
- fillStroke, fillPaint, renderingLine, lineStroke, lineColor);
+ fillStroke, fillPaint, renderingLine, lineStroke,
lineColor);
}
}
private static Shape toShape(Geometry geometry, Viewport viewport)
- throws NoninvertibleTransformException {
- //At high magnifications, Java rendering can be sped up by clipping
- //the Geometry to only that portion visible inside the viewport.
- //Hence the code below. [Jon Aquino]
- Envelope bufferedEnvelope =
EnvelopeUtil.bufferByFraction(viewport.getEnvelopeInModelCoordinates(),
- 0.05);
+ throws NoninvertibleTransformException {
+ // At high magnifications, Java rendering can be sped up by clipping
+ // the Geometry to only that portion visible inside the viewport.
+ // Hence the code below. [Jon Aquino]
+ final Envelope bufferedEnvelope = EnvelopeUtil.bufferByFraction(
+ viewport.getEnvelopeInModelCoordinates(), 0.05);
Geometry actualGeometry = geometry;
- Envelope geomEnv = actualGeometry.getEnvelopeInternal();
- if (! bufferedEnvelope.contains(geomEnv)) {
- /**
- * MD - letting Java2D do more clipping actually seems to be slower!
- * So don't use following "optimization"
- */
- //if (isRatioLarge(bufferedEnvelope, geomEnv, 2)) {
- if (!((geometry instanceof LineString) || (geometry instanceof
MultiLineString)))
- actualGeometry = clipGeometry(geometry,
bufferedEnvelope);
- //System.out.println("cl");
- //}
+ final Envelope geomEnv = actualGeometry.getEnvelopeInternal();
+ if (!bufferedEnvelope.contains(geomEnv)) {
+ /**
+ * MD - letting Java2D do more clipping actually seems to be
slower!
+ * So don't use following "optimization"
+ */
+ // if (isRatioLarge(bufferedEnvelope, geomEnv, 2)) {
+ if (!((geometry instanceof LineString) || (geometry instanceof
MultiLineString))) {
+ actualGeometry = clipGeometry(geometry, bufferedEnvelope);
+ // System.out.println("cl");
+ // }
+ }
}
return viewport.getJava2DConverter().toShape(actualGeometry);
}
/**
- * Clipping a geometry using JTS produces higher quality results than
letting Java2D do it.
- * It may also be faster!
+ * Clipping a geometry using JTS produces higher quality results than
+ * letting Java2D do it. It may also be faster!
*
* @param geom
* @param env
* @return
*/
- private static Geometry clipGeometry(Geometry geom, Envelope env)
- {
- try {
- Geometry clipGeom = EnvelopeUtil.toGeometry(env)
- .intersection(geom);
- return clipGeom;
- } catch (Exception e) {
- //Can get a TopologyException if the Geometry is invalid. Eat it.
[Jon Aquino]
- //Can get an AssertionFailedException (unable to assign hole to a
shell)
- //at high magnifications. Eat it. [Jon Aquino]
+ private static Geometry clipGeometry(Geometry geom, Envelope env) {
+ try {
+ final Geometry clipGeom = EnvelopeUtil.toGeometry(env)
+ .intersection(geom);
+ return clipGeom;
+ } catch (final Exception e) {
+ // Can get a TopologyException if the Geometry is invalid. Eat it.
+ // [Jon Aquino]
+ // Can get an AssertionFailedException (unable to assign hole to a
+ // shell)
+ // at high magnifications. Eat it. [Jon Aquino]
- //Alvaro Zabala reports that we can get here with an
- //IllegalArgumentException (points must form a closed linestring)
- //for bad geometries. Eat it. [Jon Aquino]
- }
- return geom;
+ // Alvaro Zabala reports that we can get here with an
+ // IllegalArgumentException (points must form a closed linestring)
+ // for bad geometries. Eat it. [Jon Aquino]
+ }
+ return geom;
}
- private static boolean isRatioLarge(Envelope viewEnv,
- Envelope geomEnv,
- double factor)
- {
- if (isRatioLarge(viewEnv.getHeight(), geomEnv.getHeight(), factor))
return true;
- if (isRatioLarge(viewEnv.getWidth(), geomEnv.getWidth(), factor)) return
true;
- return false;
+ private static boolean isRatioLarge(Envelope viewEnv, Envelope geomEnv,
+ double factor) {
+ if (isRatioLarge(viewEnv.getHeight(), geomEnv.getHeight(), factor)) {
+ return true;
+ }
+ if (isRatioLarge(viewEnv.getWidth(), geomEnv.getWidth(), factor)) {
+ return true;
+ }
+ return false;
}
- private static boolean isRatioLarge(double winDim, double geomDim, double
factor)
- {
- return (geomDim / winDim) < factor;
+ private static boolean isRatioLarge(double winDim, double geomDim,
+ double factor) {
+ return (geomDim / winDim) < factor;
}
+
+ /**
+ * [Giuseppe Aruta 2018_10-30] Gets available values of styles from feature
+ * collection
+ *
+ * @param ColorThemingStyle
+ * @param FeatureCollection
+ * @return
+ */
+
+ public static Set<String> getAvailableValues(ColorThemingStyle style,
+ FeatureCollection fc) {
+ final Set<String> set = new TreeSet<>();
+ set.add("");
+ final Iterator<Feature> it = fc.iterator();
+ while (it.hasNext()) {
+ final Feature f = it.next();
+
+ if (style.isEnabled()) {
+
+ set.add(f.getAttribute(style.getAttributeName()).toString());
+
+ }
+ }
+ return set;
+ }
}
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