com.hfg.svg.path.SvgPathVertLineToCmd Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of com_hfg Show documentation
com.hfg xml, html, svg, and bioinformatics utility library
There is a newer version: 20240423
package com.hfg.svg.path;

import java.awt.geom.Path2D;
import java.awt.geom.Point2D;
import java.util.List;
                        
//------------------------------------------------------------------------------
/**
 * Object representation of an SVG (Scalable Vector Graphics) path vertical lineTo ('V' or 'v') command.
 *
 * @author J. Alex Taylor, hairyfatguy.com
 */
//------------------------------------------------------------------------------
// com.hfg XML/HTML Coding Library
//
// 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// J. Alex Taylor, President, Founder, CEO, COO, CFO, OOPS hairyfatguy.com
// [email protected]
//------------------------------------------------------------------------------
               
public class SvgPathVertLineToCmd extends SvgPathCmd
{
   //---------------------------------------------------------------------------
   public SvgPathVertLineToCmd()
   {
      super('V');
   }


   //---------------------------------------------------------------------------
   @Override
   public SvgPathVertLineToCmd setRawNumbers(List inValue)
   {
      setNumSteps(inValue.size());

      super.setRawNumbers(inValue);
      return this;
   }


   //--------------------------------------------------------------------------
   // From http://www.w3.org/TR/SVG/paths.html
   //
   // Draws a vertical line from the current point (cpx, cpy) to (cpx, y).
   // V (uppercase) indicates that absolute coordinates will follow; v (lowercase) indicates that relative coordinates will follow.
   // Multiple y values can be provided (although usually this doesn't make sense). At the end of the command,
   // the new current point becomes (cpx, y) for the final value of y.
   public Point2D.Float draw(Path2D.Float inPath)
   {
      List rawNumbers = getRawNumbers();
      int numIndex = 0;

      Point2D.Float currentPoint = getStartingPoint();

      while (numIndex < rawNumbers.size())
      {
         Point2D.Float point = new Point2D.Float((float) currentPoint.getX(), rawNumbers.get(numIndex++));

         if (isRelative())
         {
            point.setLocation(point.getX(), point.getY() + currentPoint.getY());
         }

         inPath.lineTo(point.getX(), point.getY());

         currentPoint = point;
      }

      // Return the last point.
      return currentPoint;
   }
}