001package com.hfg.svg.path;
002
003import java.awt.geom.Path2D;
004import java.awt.geom.Point2D;
005import java.util.List;
006                        
007//------------------------------------------------------------------------------
008/**
009 * Object representation of an SVG (Scalable Vector Graphics) path vertical lineTo ('V' or 'v') command.
010 *
011 * @author J. Alex Taylor, hairyfatguy.com
012 */
013//------------------------------------------------------------------------------
014// com.hfg XML/HTML Coding Library
015//
016// This library is free software; you can redistribute it and/or
017// modify it under the terms of the GNU Lesser General Public
018// License as published by the Free Software Foundation; either
019// version 2.1 of the License, or (at your option) any later version.
020//
021// This library is distributed in the hope that it will be useful,
022// but WITHOUT ANY WARRANTY; without even the implied warranty of
023// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
024// Lesser General Public License for more details.
025//
026// You should have received a copy of the GNU Lesser General Public
027// License along with this library; if not, write to the Free Software
028// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
029//
030// J. Alex Taylor, President, Founder, CEO, COO, CFO, OOPS hairyfatguy.com
031// jataylor@hairyfatguy.com
032//------------------------------------------------------------------------------
033               
034public class SvgPathVertLineToCmd extends SvgPathCmd
035{
036   //---------------------------------------------------------------------------
037   public SvgPathVertLineToCmd()
038   {
039      super('V');
040   }
041
042
043   //---------------------------------------------------------------------------
044   @Override
045   public SvgPathVertLineToCmd setRawNumbers(List<Float> inValue)
046   {
047      setNumSteps(inValue.size());
048
049      super.setRawNumbers(inValue);
050      return this;
051   }
052
053
054   //--------------------------------------------------------------------------
055   // From http://www.w3.org/TR/SVG/paths.html
056   //
057   // Draws a vertical line from the current point (cpx, cpy) to (cpx, y).
058   // V (uppercase) indicates that absolute coordinates will follow; v (lowercase) indicates that relative coordinates will follow.
059   // Multiple y values can be provided (although usually this doesn't make sense). At the end of the command,
060   // the new current point becomes (cpx, y) for the final value of y.
061   public Point2D.Float draw(Path2D.Float inPath)
062   {
063      List<Float> rawNumbers = getRawNumbers();
064      int numIndex = 0;
065
066      Point2D.Float currentPoint = getStartingPoint();
067
068      while (numIndex < rawNumbers.size())
069      {
070         Point2D.Float point = new Point2D.Float((float) currentPoint.getX(), rawNumbers.get(numIndex++));
071
072         if (isRelative())
073         {
074            point.setLocation(point.getX(), point.getY() + currentPoint.getY());
075         }
076
077         inPath.lineTo(point.getX(), point.getY());
078
079         currentPoint = point;
080      }
081
082      // Return the last point.
083      return currentPoint;
084   }
085}