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Diffstat (limited to 'src/net/sourceforge/plantuml/cute/Arc.java')
| -rw-r--r-- | src/net/sourceforge/plantuml/cute/Arc.java | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/net/sourceforge/plantuml/cute/Arc.java b/src/net/sourceforge/plantuml/cute/Arc.java new file mode 100644 index 0000000..547d29c --- /dev/null +++ b/src/net/sourceforge/plantuml/cute/Arc.java @@ -0,0 +1,114 @@ +/* ========================================================================
+ * PlantUML : a free UML diagram generator
+ * ========================================================================
+ *
+ * (C) Copyright 2009-2014, Arnaud Roques
+ *
+ * Project Info: http://plantuml.sourceforge.net
+ *
+ * This file is part of PlantUML.
+ *
+ * Licensed under The MIT License (Massachusetts Institute of Technology License)
+ *
+ * See http://opensource.org/licenses/MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+ * IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ *
+ * Original Author: Arnaud Roques
+ */
+package net.sourceforge.plantuml.cute;
+
+import java.awt.geom.Point2D;
+
+import net.sourceforge.plantuml.ugraphic.UPath;
+
+public class Arc {
+
+ private final Segment segment;
+ private final Tension tension;
+
+ public Tension getTension() {
+ return tension;
+ }
+
+ public Arc(final MyPoint2D a, final MyPoint2D b) {
+ this(a, b, Tension.none());
+ }
+
+ private Arc(final MyPoint2D a, final MyPoint2D b, Tension tension) {
+ this.segment = new Segment(a, b);
+ this.tension = tension;
+ }
+
+ public MyPoint2D getA() {
+ return (MyPoint2D) segment.getA();
+ }
+
+ public MyPoint2D getB() {
+ return (MyPoint2D) segment.getB();
+ }
+
+ public Arc withNoTension() {
+ return new Arc(getA(), getB(), Tension.none());
+ }
+
+ public Arc withTension(String tensionString) {
+ if (tensionString == null) {
+ return this;
+ }
+ final double newTension = Double.parseDouble(tensionString);
+ return new Arc(getA(), getB(), new Tension(newTension));
+ }
+
+ public Arc rotateZoom(RotationZoom rotationZoom) {
+ return new Arc(getA().rotateZoom(rotationZoom), getB().rotateZoom(rotationZoom),
+ tension.rotateZoom(rotationZoom));
+ }
+
+// public void appendTo(UPath path) {
+// if (tension.isNone()) {
+// path.lineTo(getB());
+// } else {
+// final double a = segment.getLength() / 2;
+// final double b = getTension().getValue();
+// final double radius = (a * a + b * b) / 2 / b;
+// final int sweep_flag = 1;
+// path.arcTo(getB(), radius, 0, sweep_flag);
+// }
+// }
+
+ public Point2D getTensionPoint() {
+ if (tension.isNone()) {
+ throw new IllegalArgumentException();
+ }
+ return segment.getOrthoPoint(-tension.getValue());
+ }
+
+ // public void appendTo(UPath path) {
+ // if (path.isEmpty()) {
+ // path.moveTo(getA());
+ // }
+ // path.lineTo(getB());
+ // }
+
+ public double getLength() {
+ return segment.getLength();
+ }
+
+}
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