--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.scenegraph.g2d.nodes;
+
+import java.awt.BasicStroke;\r
+import java.awt.Color;\r
+import java.awt.Graphics2D;\r
+import java.awt.Paint;\r
+import java.awt.Shape;\r
+import java.awt.Stroke;\r
+import java.awt.geom.AffineTransform;\r
+import java.awt.geom.Rectangle2D;\r
+\r
+import org.simantics.scenegraph.g2d.G2DNode;\r
+import org.simantics.scenegraph.utils.GeometryUtils;\r
+import org.simantics.scenegraph.utils.InitValueSupport;\r
+
+/**
+ * A scene graph node that renders a specified AWT {@link Shape} by optionally
+ * filling or drawing it.
+ *
+ * If filling is enabled, it will be performed before stroking the shape.
+ *
+ * @author J-P Laine\r
+ * @author Tuukka Lehtonen
+ *
+ * TODO: separate paint for stroke and fill
+ */
+public class ShapeNode extends G2DNode implements InitValueSupport {
+
+ private static final long serialVersionUID = 8508750881358776559L;
+\r
+ protected static final Stroke DEFAULT_STROKE = new BasicStroke(2);\r
+
+ protected Shape shape = null;\r
+ protected Stroke stroke = DEFAULT_STROKE;
+ protected Paint color = Color.BLACK;
+ protected boolean fill = false;
+ protected boolean scaleStroke = false;
+ protected boolean scaleShape = false;
+\r
+ protected transient Shape dynamicShape = null;\r
+ protected transient Stroke dynamicStroke = null;\r
+ protected transient Paint dynamicColor = null;\r
+ protected transient Boolean dynamicFill = null;\r
+ protected transient Boolean dynamicScaleStroke = null;\r
+ protected transient Boolean dynamicScaleShape = null;\r
+\r
+ @PropertySetter("shape")
+ @SyncField("shape")
+ public void setShape(Shape shape) {
+ this.shape = shape;
+ repaint();
+ }
+\r
+ @PropertySetter("stroke")
+ @SyncField("stroke")
+ public void setStroke(Stroke stroke) {
+ this.stroke = stroke;
+ }
+\r
+ @PropertySetter("color")
+ @SyncField("color")
+ public void setColor(Paint color) {
+ this.color = color;
+ }
+
+ @SyncField("fill")
+ public void setFill(boolean fill) {
+ this.fill = fill;
+ }
+
+ @SyncField("scaleStroke")
+ public void setScaleStroke(boolean scaleStroke) {
+ this.scaleStroke = scaleStroke;
+ }
+
+ @SyncField("scaleShape")
+ public void setScaleShape(boolean scaleShape) {
+ this.scaleShape = scaleShape;
+ }
+
+ @Override
+ public void render(Graphics2D g2d) {
+ Shape shape = dynamicShape != null ? dynamicShape : this.shape;\r
+ if (shape == null)
+ return;
+\r
+ AffineTransform ot = setupRender(g2d);\r
+ renderShape(g2d, shape);\r
+ if (ot != null)\r
+ g2d.setTransform(ot);
+ }
+
+ /**\r
+ * @param g2d\r
+ * @return current transform\r
+ */\r
+ protected AffineTransform setupRender(Graphics2D g2d) {\r
+ AffineTransform old = null;
+ if (!transform.isIdentity()) {\r
+ old = g2d.getTransform();\r
+ g2d.transform(transform);\r
+ }\r
+\r
+ Paint color = dynamicColor != null ? dynamicColor : this.color;
+ if (color != null) g2d.setPaint(color);\r
+\r
+ Stroke stroke = dynamicStroke != null ? dynamicStroke : this.stroke;
+ if (stroke != null) {\r
+ boolean scaleStroke = Boolean.TRUE.equals(dynamicScaleStroke) ? true : this.scaleStroke;
+ if (scaleStroke && stroke instanceof BasicStroke) {
+ BasicStroke bs = GeometryUtils.scaleStroke(stroke, (float) (1.0 / GeometryUtils.getScale(g2d.getTransform())));
+ g2d.setStroke(bs);
+ } else {
+ g2d.setStroke(stroke);
+ }
+ }\r
+
+ boolean scaleShape = Boolean.TRUE.equals(dynamicScaleShape) ? true : this.scaleShape;\r
+ if (scaleShape) {
+ double xs = g2d.getTransform().getScaleX();
+ double ys = g2d.getTransform().getScaleY();
+ g2d.scale(1/xs, 1/ys);
+ }\r
+\r
+ return old;\r
+ }
+
+ protected void renderShape(Graphics2D g2d, Shape s) {\r
+ boolean fill = Boolean.TRUE.equals(dynamicFill) ? true : this.fill;\r
+ if (fill)
+ g2d.fill(s);\r
+
+ Stroke stroke = dynamicStroke != null ? dynamicStroke : this.stroke;\r
+ if (stroke != null)
+ g2d.draw(s);
+ }
+
+ @Override
+ public Rectangle2D getBoundsInLocal() {
+ if(shape == null) return null;
+ return shape.getBounds2D();
+ }\r
+\r
+ public void setValue(String key, Object value) {\r
+ if ("shape".equals(key))\r
+ dynamicShape = (Shape) value;\r
+ else if ("stroke".equals(key))\r
+ dynamicStroke = (Stroke) value;\r
+ else if ("color".equals(key))\r
+ dynamicColor = (Paint) value;\r
+ else if ("fill".equals(key))\r
+ dynamicFill = (Boolean) value;\r
+ else if ("scaleStroke".equals(key))\r
+ dynamicScaleStroke = (Boolean) value;\r
+ else if ("scaleShape".equals(key))\r
+ dynamicScaleShape = (Boolean) value;\r
+// else super.setValue(key, value);\r
+ }\r
+\r
+ @Override\r
+ public void initValues() {\r
+ dynamicShape = null;\r
+ dynamicStroke = null;\r
+ dynamicColor = null;\r
+ dynamicFill = null;\r
+ dynamicScaleStroke = null;\r
+ dynamicScaleShape = null;\r
+ }\r
+\r
+ @Override\r
+ public String toString() {\r
+ return super.toString() + " [shape=" + shape + ",color=" + color + "]";\r
+ }\r
+
+}