Creates a triangle shape that points downwards. : Shape « 2D Graphics GUI « Java






  1. Java
  2. 2D Graphics GUI
  3. Shape

Creates a triangle shape that points downwards.

    
/* 
 * JCommon : a free general purpose class library for the Java(tm) platform
 * 
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jcommon/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -------------------
 * ShapeUtilities.java
 * -------------------
 * (C)opyright 2003-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: ShapeUtilities.java,v 1.18 2008/06/02 06:58:28 mungady Exp $
 *
 * Changes
 * -------
 * 13-Aug-2003 : Version 1 (DG);
 * 16-Mar-2004 : Moved rotateShape() from RefineryUtilities.java to here (DG);
 * 13-May-2004 : Added new shape creation methods (DG);
 * 30-Sep-2004 : Added createLineRegion() method (DG);
 *               Moved drawRotatedShape() method from RefineryUtilities class
 *               to this class (DG);
 * 04-Oct-2004 : Renamed ShapeUtils --> ShapeUtilities (DG);
 * 26-Oct-2004 : Added a method to test the equality of two Line2D
 *               instances (DG);
 * 10-Nov-2004 : Added new translateShape() and equal(Ellipse2D, Ellipse2D)
 *               methods (DG);
 * 11-Nov-2004 : Renamed translateShape() --> createTranslatedShape() (DG);
 * 07-Jan-2005 : Minor Javadoc fix (DG);
 * 11-Jan-2005 : Removed deprecated code in preparation for 1.0.0 release (DG);
 * 21-Jan-2005 : Modified return type of RectangleAnchor.coordinates()
 *               method (DG);
 * 22-Feb-2005 : Added equality tests for Arc2D and GeneralPath (DG);
 * 16-Mar-2005 : Fixed bug where equal(Shape, Shape) fails for two Polygon
 *               instances (DG);
 * 01-Jun-2008 : Fixed bug in equal(GeneralPath, GeneralPath) method (DG);
 *
 */

import java.awt.Shape;
import java.awt.geom.GeneralPath;
/**
 * Utility methods for {@link Shape} objects.
 *
 * @author David Gilbert
 */
public class Main {


  /**
   * Creates a triangle shape that points downwards.
   *
   * @param s  the size factor (equal to half the height of the triangle).
   *
   * @return A triangle shape.
   */
  public static Shape createDownTriangle(final float s) {
      final GeneralPath p0 = new GeneralPath();
      p0.moveTo(0.0f, s);
      p0.lineTo(s, -s);
      p0.lineTo(-s, -s);
      p0.closePath();
      return p0;
  }

}








Related examples in the same category

1.Creating Basic Shapes
2.fillRect (int, int, int, int) method draws a solid rectangle
3.Creating a Shape Using Lines and Curves
4.Combining Shapes
5.Draw rectangles, use the drawRect() method. To fill rectangles, use the fillRect() method
6.Draw lineDraw line
7.Draw a PolygonDraw a Polygon
8.Draw an oval outline
9.Draw a (Round)rectangleDraw a (Round)rectangle
10.Fill a polygonFill a polygon
11.Fill a solid oval
12.Fill a (Round)rectangleFill a (Round)rectangle
13.Change fontChange font
14.Draw rectangle 2Draw rectangle 2
15.Draw ArcDraw Arc
16.Draw EllipseDraw Ellipse
17.Fill a Rectangle 2Fill a Rectangle 2
18.Fill Arc 2Fill Arc 2
19.Draw textDraw text
20.Draw unicode string Draw unicode string
21.Shape combineShape combine
22.EffectsEffects
23.Mouse drag and drop to drawMouse drag and drop to draw
24.Arc demonstration: scale, move, rotate, sheerArc demonstration: scale, move, rotate, sheer
25.Hypnosis SpiralHypnosis Spiral
26.GlyphVector.getNumGlyphs()
27.Resize a shape
28.Rectangle with rounded corners drawn using Java 2D Graphics API
29.Compares two ellipses and returns true if they are equal or both null.
30.Compares two lines are returns true if they are equal or both null.
31.Creates a diagonal cross shape.
32.Creates a diamond shape.
33.Creates a new Stroke-Object for the given type and with.
34.Creates a region surrounding a line segment by 'widening' the line segment.
35.Creates a triangle shape that points upwards.
36.Generate Polygon
37.Polygon with float coordinates.
38.Polyline 2D
39.Serialises a Shape object.
40.Tests two polygons for equality. If both are null this method returns true.
41.Union two rectangles
42.Calculate Intersection Clip
43.Draws a shape with the specified rotation about (x, y).
44.Checks, whether the given rectangle1 fully contains rectangle 2 (even if rectangle 2 has a height or width of zero!).
45.Reads a Point2D object that has been serialised by the writePoint2D(Point2D, ObjectOutputStream)} method.
46.Returns a point based on (x, y) but constrained to be within the bounds of a given rectangle.
47.RectListManager is a class to manage a list of rectangular regions.
48.Fill Rectangle2D.Double and Ellipse2D.DoubleFill Rectangle2D.Double and Ellipse2D.Double
49.This program demonstrates the various 2D shapesThis program demonstrates the various 2D shapes