-/*******************************************************************************\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.graphviz.internal.xdot;\r
-\r
-import java.awt.geom.Ellipse2D;\r
-import java.awt.geom.Path2D;\r
-\r
-public class Shapes {\r
- public static Path2D createPolyline(double[] p) {\r
- Path2D path = new Path2D.Double();\r
- path.moveTo(p[0], -p[1]);\r
- for(int i=2;i<p.length;i+=2)\r
- path.lineTo(p[i], -p[i+1]);\r
- return path;\r
- }\r
- \r
- public static Path2D createPolygon(double[] p) {\r
- Path2D path = createPolyline(p);\r
- path.closePath();\r
- return path;\r
- }\r
- \r
- public static Path2D createBSpline(double[] p) {\r
- Path2D.Double path = new Path2D.Double();\r
- path.moveTo(p[0], p[1]);\r
- double cp2x = 0.5 * (p[2] + p[4]);\r
- double cp2y = 0.5 * (p[3] + p[5]);\r
- double newCp1x = (2.0/3.0) * p[4] + (1.0/3.0) * p[6];\r
- double newCp1y = (2.0/3.0) * p[5] + (1.0/3.0) * p[7];\r
- path.curveTo(\r
- p[2], p[3],\r
- cp2x, cp2y,\r
- 0.5*(cp2x + newCp1x), 0.5*(cp2y + newCp1y) \r
- );\r
- for(int i=4;i<p.length-8;i+=2) {\r
- double cp1x = newCp1x;\r
- double cp1y = newCp1y;\r
- cp2x = (1.0/3.0) * p[i] + (2.0/3.0) * p[i+2];\r
- cp2y = (1.0/3.0) * p[i+1] + (2.0/3.0) * p[i+3];\r
- newCp1x = (2.0/3.0) * p[i+2] + (1.0/3.0) * p[i+4];\r
- newCp1y = (2.0/3.0) * p[i+3] + (1.0/3.0) * p[i+5];\r
- path.curveTo(\r
- cp1x, cp1y,\r
- cp2x, cp2y,\r
- 0.5*(cp2x + newCp1x), 0.5*(cp2y + newCp1y) \r
- ); \r
- } \r
- {\r
- double cp1x = newCp1x;\r
- double cp1y = newCp1y;\r
- cp2x = (1.0/3.0) * p[p.length-8] + (2.0/3.0) * p[p.length-6];\r
- cp2y = (1.0/3.0) * p[p.length-7] + (2.0/3.0) * p[p.length-5];\r
- newCp1x = 0.5 * (p[p.length-6] + p[p.length-4]);\r
- newCp1y = 0.5 * (p[p.length-5] + p[p.length-3]);\r
- path.curveTo(\r
- cp1x, cp1y,\r
- cp2x, cp2y,\r
- 0.5*(cp2x + newCp1x), 0.5*(cp2y + newCp1y) \r
- );\r
- path.curveTo(\r
- newCp1x, newCp1y,\r
- p[p.length-4], p[p.length-3],\r
- p[p.length-2], p[p.length-1] \r
- );\r
- }\r
- return path;\r
- }\r
- \r
- public static Path2D createCubicSegments(double[] p) {\r
- Path2D.Double path = new Path2D.Double();\r
- path.moveTo(p[0], -p[1]);\r
- for(int i=2;i<p.length;i+=6) {\r
- path.curveTo(p[i],-p[i+1],p[i+2],-p[i+3],p[i+4],-p[i+5]);\r
- }\r
- return path;\r
- }\r
- \r
- public static Ellipse2D createEllipse(double x, double y, double w, double h) {\r
- return new Ellipse2D.Double(x-w, -y-h, w*2.0, h*2.0);\r
- }\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.graphviz.internal.xdot;
+
+import java.awt.geom.Ellipse2D;
+import java.awt.geom.Path2D;
+
+public class Shapes {
+ public static Path2D createPolyline(double[] p) {
+ Path2D path = new Path2D.Double();
+ path.moveTo(p[0], -p[1]);
+ for(int i=2;i<p.length;i+=2)
+ path.lineTo(p[i], -p[i+1]);
+ return path;
+ }
+
+ public static Path2D createPolygon(double[] p) {
+ Path2D path = createPolyline(p);
+ path.closePath();
+ return path;
+ }
+
+ public static Path2D createBSpline(double[] p) {
+ Path2D.Double path = new Path2D.Double();
+ path.moveTo(p[0], p[1]);
+ double cp2x = 0.5 * (p[2] + p[4]);
+ double cp2y = 0.5 * (p[3] + p[5]);
+ double newCp1x = (2.0/3.0) * p[4] + (1.0/3.0) * p[6];
+ double newCp1y = (2.0/3.0) * p[5] + (1.0/3.0) * p[7];
+ path.curveTo(
+ p[2], p[3],
+ cp2x, cp2y,
+ 0.5*(cp2x + newCp1x), 0.5*(cp2y + newCp1y)
+ );
+ for(int i=4;i<p.length-8;i+=2) {
+ double cp1x = newCp1x;
+ double cp1y = newCp1y;
+ cp2x = (1.0/3.0) * p[i] + (2.0/3.0) * p[i+2];
+ cp2y = (1.0/3.0) * p[i+1] + (2.0/3.0) * p[i+3];
+ newCp1x = (2.0/3.0) * p[i+2] + (1.0/3.0) * p[i+4];
+ newCp1y = (2.0/3.0) * p[i+3] + (1.0/3.0) * p[i+5];
+ path.curveTo(
+ cp1x, cp1y,
+ cp2x, cp2y,
+ 0.5*(cp2x + newCp1x), 0.5*(cp2y + newCp1y)
+ );
+ }
+ {
+ double cp1x = newCp1x;
+ double cp1y = newCp1y;
+ cp2x = (1.0/3.0) * p[p.length-8] + (2.0/3.0) * p[p.length-6];
+ cp2y = (1.0/3.0) * p[p.length-7] + (2.0/3.0) * p[p.length-5];
+ newCp1x = 0.5 * (p[p.length-6] + p[p.length-4]);
+ newCp1y = 0.5 * (p[p.length-5] + p[p.length-3]);
+ path.curveTo(
+ cp1x, cp1y,
+ cp2x, cp2y,
+ 0.5*(cp2x + newCp1x), 0.5*(cp2y + newCp1y)
+ );
+ path.curveTo(
+ newCp1x, newCp1y,
+ p[p.length-4], p[p.length-3],
+ p[p.length-2], p[p.length-1]
+ );
+ }
+ return path;
+ }
+
+ public static Path2D createCubicSegments(double[] p) {
+ Path2D.Double path = new Path2D.Double();
+ path.moveTo(p[0], -p[1]);
+ for(int i=2;i<p.length;i+=6) {
+ path.curveTo(p[i],-p[i+1],p[i+2],-p[i+3],p[i+4],-p[i+5]);
+ }
+ return path;
+ }
+
+ public static Ellipse2D createEllipse(double x, double y, double w, double h) {
+ return new Ellipse2D.Double(x-w, -y-h, w*2.0, h*2.0);
+ }
+}
Code Review / simantics / platform.git / blobdiff