Android Open Source - RadaeePDF-B4A Path

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License

The source code is released under:

Apache License

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Java Source Code

package com.radaee.pdf;
/*from w w  w.j  av a2 s.c om*/
/**
 * class for Path
 * @author radaee<br/>
 * @see Example:<br/>
 *   Path path = new Path();<br/>
 *   path.MoveTo(0, 0);<br/>
 *   path.LineTo(10, 10);<br/>
 *   path.CurveTo(100, 0, 100, 100, 30, 70);<br/>
 *   path.ClosePath();<br/>
 *   int cnt = path.GetNodeCount();<br/>
 *   int cur = 0;<br/>
 *   float point[] = new float[2];<br/>
 *   while( cur < cnt )<br/>
 *   {<br/>
 *     path.GetNode(cur, point);<br/>
 *     cur++;<br/>
 *   }<br/>
 *   Page page = m_doc.GetPage(0);<br/>
 *   page.ObjsStart();<br/>
 *   Matrix mat = new Matrix( 1, 0, 0, -1, 0, m_doc.GetPageHeight(0) );<br/>
 *   page.AddAnnotGlyph(mat, path, 0xFF0000, true);<br/>
 *   page.Close();<br/>
 *   path.Destroy();<br/>
 */
public class Path
{
  private static native int create();
  private static native void destroy( int hand );
  private static native void moveTo( int hand, float x, float y );
  private static native void lineTo( int hand, float x, float y );
  private static native void curveTo( int hand, float x1, float y1, float x2, float y2, float x3, float y3 );
  private static native void closePath( int hand );
  private static native int getNodeCount(int hand);
  private static native int getNode( int hand, int index, float[]pt );
  protected int m_hand = create();
  /**
   * move to operation
   * @param x
   * @param y
   */
  public void MoveTo( float x, float y )
  {
    moveTo( m_hand, x, y );
  }
  /**
   * line to operation
   * @param x
   * @param y
   */
  public void LineTo( float x, float y )
  {
    lineTo( m_hand, x, y );
  }
  public void CurveTo( float x1, float y1, float x2, float y2, float x3, float y3 )
  {
    curveTo( m_hand, x1, y1, x2, y2, x3, y3 );
  }
  /**
   * close a contour.
   */
  public void ClosePath()
  {
    closePath(m_hand);
  }
  /**
   * free memory
   */
  public void Destroy()
  {
    destroy(m_hand);
    m_hand = 0;
  }
  public int GetNodeCount()
  {
    return getNodeCount( m_hand );
  }
  /**
   * get each node
   * @param index range [0, GetNodeCount() - 1]
   * @param pt output value: 2 elements coordinate point
   * @return node type:<br/>
   * 0: move to<br/>
   * 1: line to<br/>
   * 3: curve to, index, index + 1, index + 2 are all data<br/>
   * 4: close operation<br/>
   */
  public int GetNode( int index, float pt[] )
  {
    return getNode( m_hand, index, pt );
  }
}

Java Source Code List