Package org.pentaho.reporting.engine.classic.core.modules.output.pageable.graphics.internal

Source Code of org.pentaho.reporting.engine.classic.core.modules.output.pageable.graphics.internal.PhysicalPageDrawable

/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors..  All rights reserved.
*/

package org.pentaho.reporting.engine.classic.core.modules.output.pageable.graphics.internal;

import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.awt.print.PageFormat;
import java.awt.print.Paper;

import org.pentaho.reporting.engine.classic.core.layout.model.PhysicalPageBox;
import org.pentaho.reporting.engine.classic.core.layout.model.RenderNode;
import org.pentaho.reporting.engine.classic.core.modules.output.pageable.graphics.PageDrawable;
import org.pentaho.reporting.engine.classic.core.util.PageFormatFactory;
import org.pentaho.reporting.engine.classic.core.util.geom.StrictGeomUtility;

/**
* Creation-Date: 17.11.2006, 18:00:46
*
* @author Thomas Morgner
*/
public class PhysicalPageDrawable implements PageDrawable
{
  private LogicalPageDrawable pageDrawable;
  private PageFormat pageFormat;
  private long globalX;
  private long globalY;

  /**
   * @param pageDrawable
   * @param page
   * @noinspection SuspiciousNameCombination
   */
  public PhysicalPageDrawable(final LogicalPageDrawable pageDrawable,
                              final PhysicalPageBox page)
  {
    if (pageDrawable == null)
    {
      throw new NullPointerException();
    }
    if (page == null)
    {
      throw new NullPointerException();
    }

    this.pageDrawable = pageDrawable;

    this.globalX = page.getGlobalX();
    this.globalY = page.getGlobalY();

    final Paper p = new Paper();

    final float marginLeft = (float) StrictGeomUtility.toExternalValue(page.getImageableX());
    final float marginRight = (float) StrictGeomUtility.toExternalValue
        (page.getWidth() - page.getImageableWidth() - page.getImageableX());
    final float marginTop = (float) StrictGeomUtility.toExternalValue(page.getImageableY());
    final float marginBottom = (float) StrictGeomUtility.toExternalValue
        (page.getHeight() - page.getImageableHeight() - page.getImageableY());
    switch (page.getOrientation())
    {
      case PageFormat.PORTRAIT:
        p.setSize(StrictGeomUtility.toExternalValue(page.getWidth()),
            StrictGeomUtility.toExternalValue(page.getHeight()));
        PageFormatFactory.getInstance().setBorders(p, marginTop, marginLeft,
            marginBottom, marginRight);
        break;
      case PageFormat.LANDSCAPE:
        // right, top, left, bottom
        p.setSize(StrictGeomUtility.toExternalValue(page.getHeight()),
            StrictGeomUtility.toExternalValue(page.getWidth()));
        PageFormatFactory.getInstance().setBorders(p, marginRight, marginTop,
            marginLeft, marginBottom);
        break;
      case PageFormat.REVERSE_LANDSCAPE:
        p.setSize(StrictGeomUtility.toExternalValue(page.getHeight()),
            StrictGeomUtility.toExternalValue(page.getWidth()));
        PageFormatFactory.getInstance().setBorders(p, marginLeft, marginBottom,
            marginRight, marginTop);
        break;
      default:
        // will not happen..
        throw new IllegalArgumentException("Unexpected page-orientation encountered.");
    }

    this.pageFormat = new PageFormat();
    this.pageFormat.setPaper(p);
    this.pageFormat.setOrientation(page.getOrientation());
  }

  public PageFormat getPageFormat()
  {
    return pageFormat;
  }

  public Dimension getPreferredSize()
  {
    return new Dimension((int) pageFormat.getWidth(), (int) pageFormat.getHeight());
  }

  public boolean isPreserveAspectRatio()
  {
    return true;
  }

  /**
   * Draws the object.
   *
   * @param g2   the graphics device.
   * @param area the area inside which the object should be drawn.
   */
  public void draw(final Graphics2D g2, final Rectangle2D area)
  {
    g2.translate(pageFormat.getImageableX(), pageFormat.getImageableY());

    pageDrawable.draw(g2, new Rectangle2D.Double
        (StrictGeomUtility.toExternalValue(globalX), StrictGeomUtility.toExternalValue(globalY),
            pageFormat.getImageableWidth(), pageFormat.getImageableHeight()));
  }

  public RenderNode[] getNodesAt(final double x, final double y,
                                 final String namespace, final String name)
  {
    return pageDrawable.getNodesAt(x - pageFormat.getImageableX(), y - pageFormat.getImageableY(), namespace, name);
  }

  public RenderNode[] getNodesAt(final double x, final double y,
                                 final double width, final double height,
                                 final String namespace, final String name)
  {
    return pageDrawable.getNodesAt(x - pageFormat.getImageableX(),
        y - pageFormat.getImageableY(), width, height, namespace, name);
  }

  public LogicalPageDrawable getPageDrawable()
  {
    return pageDrawable;
  }
}
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