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Diffstat (limited to 'plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/geometry/Segment.java')
-rw-r--r--plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/geometry/Segment.java276
1 files changed, 138 insertions, 138 deletions
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/geometry/Segment.java b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/geometry/Segment.java
index 1386ce9bf7e..a66c7ba408a 100644
--- a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/geometry/Segment.java
+++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/geometry/Segment.java
@@ -1,138 +1,138 @@
-/*****************************************************************************
- * Copyright (c) 2014 CEA LIST.
- *
- * 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:
- *
- * Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
- *
- *
- *****************************************************************************/
-package org.eclipse.papyrus.infra.gmfdiag.common.geometry;
-
-import org.eclipse.draw2d.geometry.Point;
-import org.eclipse.draw2d.geometry.PrecisionPoint;
-
-/**
- *
- * This class is used to manipulate segment
- */
-public class Segment {
-
-
- /**
- * the start point of the segment
- */
- private final PrecisionPoint start;
-
- /**
- * the end point of the segment
- */
- private final PrecisionPoint end;
-
- /**
- *
- * Constructor.
- *
- * @param start
- * the start point of the segment
- * @param end
- * the end point of the segment
- */
- public Segment(final PrecisionPoint start, final PrecisionPoint end) {
- this.start = start.getPreciseCopy();
- this.end = end.getPreciseCopy();
- }
-
- /**
- *
- * Constructor.
- *
- * @param start
- * the start point of the segment
- * @param end
- * the end point of the segment
- */
- public Segment(final Point start, final Point end) {
- this.start = new PrecisionPoint(start);
- this.end = new PrecisionPoint(end);
- }
-
- /**
- *
- * @param segment
- * a segment
- * @return
- * <code>true</code> if the segment has a common point with this one
- */
- public boolean hasIntersection(final Segment segment) {
- return getIntersection(segment) != null;
- }
-
- /**
- *
- * @return
- * the start point of the segment
- */
- public final PrecisionPoint getStartPoint() {
- return this.start;
- }
-
- /**
- *
- * @return
- * the end point of the segment
- */
- public final PrecisionPoint getEndPoint() {
- return this.end;
- }
-
- // find line intersection in awt
- // static Point get_line_intersection(Line2D.Double pLine1, Line2D.Double pLine2) {
- // Point result = null;
- //
- // double s1_x = pLine1.x2 - pLine1.x1;
- // double s1_y = pLine1.y2 - pLine1.y1;
- // double s2_x = pLine2.x2 - pLine2.x1;
- // double s2_y = pLine2.y2 - pLine2.y1;
- //
- // double s = (-s1_y * (pLine1.x1 - pLine2.x1) + s1_x * (pLine1.y1 - pLine2.y1)) / (-s2_x * s1_y + s1_x * s2_y);
- // double t = (s2_x * (pLine1.y1 - pLine2.y1) - s2_y * (pLine1.x1 - pLine2.x1)) / (-s2_x * s1_y + s1_x * s2_y);
- //
- // if(s >= 0 && s <= 1 && t >= 0 && t <= 1) {
- // // Collision detected
- // result = new Point((int)(pLine1.x1 + (t * s1_x)), (int)(pLine1.y1 + (t * s1_y)));
- // } // end if
- //
- // return result;
- // }
-
- /**
- *
- * @param segment
- * a segment
- * @return
- * the intersection point if exists or <code>null</code>
- */
- public PrecisionPoint getIntersection(final Segment segment) {
- double s1_x = segment.getEndPoint().preciseX() - segment.getStartPoint().preciseX();
- double s1_y = segment.getEndPoint().preciseY() - segment.getStartPoint().preciseY();
- double s2_x = getEndPoint().preciseX() - getStartPoint().preciseX();
- double s2_y = getEndPoint().preciseY() - getStartPoint().preciseY();
- double s = (-s1_y * (segment.getStartPoint().preciseX() - getStartPoint().preciseX()) + s1_x * (segment.getStartPoint().preciseY() - getStartPoint().preciseY())) / (-s2_x * s1_y + s1_x * s2_y);
- double t = (s2_x * (segment.getStartPoint().preciseY() - getStartPoint().preciseY()) - s2_y * (segment.getStartPoint().preciseX() - getStartPoint().preciseX())) / (-s2_x * s1_y + s1_x * s2_y);
-
- PrecisionPoint result = null;
- if (s >= 0 && s <= 1 && t >= 0 && t <= 1) {
- // Collision detected
- result = new PrecisionPoint((int) (segment.getStartPoint().preciseX() + (t * s1_x)), (int) (segment.getStartPoint().preciseY() + (t * s1_y)));
- } // end if
-
- return result;
- }
-
-}
+/*****************************************************************************
+ * Copyright (c) 2014 CEA LIST.
+ *
+ * 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:
+ *
+ * Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
+ *
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.gmfdiag.common.geometry;
+
+import org.eclipse.draw2d.geometry.Point;
+import org.eclipse.draw2d.geometry.PrecisionPoint;
+
+/**
+ *
+ * This class is used to manipulate segment
+ */
+public class Segment {
+
+
+ /**
+ * the start point of the segment
+ */
+ private final PrecisionPoint start;
+
+ /**
+ * the end point of the segment
+ */
+ private final PrecisionPoint end;
+
+ /**
+ *
+ * Constructor.
+ *
+ * @param start
+ * the start point of the segment
+ * @param end
+ * the end point of the segment
+ */
+ public Segment(final PrecisionPoint start, final PrecisionPoint end) {
+ this.start = start.getPreciseCopy();
+ this.end = end.getPreciseCopy();
+ }
+
+ /**
+ *
+ * Constructor.
+ *
+ * @param start
+ * the start point of the segment
+ * @param end
+ * the end point of the segment
+ */
+ public Segment(final Point start, final Point end) {
+ this.start = new PrecisionPoint(start);
+ this.end = new PrecisionPoint(end);
+ }
+
+ /**
+ *
+ * @param segment
+ * a segment
+ * @return
+ * <code>true</code> if the segment has a common point with this one
+ */
+ public boolean hasIntersection(final Segment segment) {
+ return getIntersection(segment) != null;
+ }
+
+ /**
+ *
+ * @return
+ * the start point of the segment
+ */
+ public final PrecisionPoint getStartPoint() {
+ return this.start;
+ }
+
+ /**
+ *
+ * @return
+ * the end point of the segment
+ */
+ public final PrecisionPoint getEndPoint() {
+ return this.end;
+ }
+
+ // find line intersection in awt
+ // static Point get_line_intersection(Line2D.Double pLine1, Line2D.Double pLine2) {
+ // Point result = null;
+ //
+ // double s1_x = pLine1.x2 - pLine1.x1;
+ // double s1_y = pLine1.y2 - pLine1.y1;
+ // double s2_x = pLine2.x2 - pLine2.x1;
+ // double s2_y = pLine2.y2 - pLine2.y1;
+ //
+ // double s = (-s1_y * (pLine1.x1 - pLine2.x1) + s1_x * (pLine1.y1 - pLine2.y1)) / (-s2_x * s1_y + s1_x * s2_y);
+ // double t = (s2_x * (pLine1.y1 - pLine2.y1) - s2_y * (pLine1.x1 - pLine2.x1)) / (-s2_x * s1_y + s1_x * s2_y);
+ //
+ // if(s >= 0 && s <= 1 && t >= 0 && t <= 1) {
+ // // Collision detected
+ // result = new Point((int)(pLine1.x1 + (t * s1_x)), (int)(pLine1.y1 + (t * s1_y)));
+ // } // end if
+ //
+ // return result;
+ // }
+
+ /**
+ *
+ * @param segment
+ * a segment
+ * @return
+ * the intersection point if exists or <code>null</code>
+ */
+ public PrecisionPoint getIntersection(final Segment segment) {
+ double s1_x = segment.getEndPoint().preciseX() - segment.getStartPoint().preciseX();
+ double s1_y = segment.getEndPoint().preciseY() - segment.getStartPoint().preciseY();
+ double s2_x = getEndPoint().preciseX() - getStartPoint().preciseX();
+ double s2_y = getEndPoint().preciseY() - getStartPoint().preciseY();
+ double s = (-s1_y * (segment.getStartPoint().preciseX() - getStartPoint().preciseX()) + s1_x * (segment.getStartPoint().preciseY() - getStartPoint().preciseY())) / (-s2_x * s1_y + s1_x * s2_y);
+ double t = (s2_x * (segment.getStartPoint().preciseY() - getStartPoint().preciseY()) - s2_y * (segment.getStartPoint().preciseX() - getStartPoint().preciseX())) / (-s2_x * s1_y + s1_x * s2_y);
+
+ PrecisionPoint result = null;
+ if (s >= 0 && s <= 1 && t >= 0 && t <= 1) {
+ // Collision detected
+ result = new PrecisionPoint((int) (segment.getStartPoint().preciseX() + (t * s1_x)), (int) (segment.getStartPoint().preciseY() + (t * s1_y)));
+ } // end if
+
+ return result;
+ }
+
+}

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