/*!
* 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) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.designer.core.editor.report;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.ImageObserver;
import org.pentaho.reporting.designer.core.editor.ReportDocumentContext;
import org.pentaho.reporting.designer.core.model.lineal.GuideLine;
import org.pentaho.reporting.designer.core.model.lineal.LinealModel;
import org.pentaho.reporting.designer.core.settings.WorkspaceSettings;
public class GuidelineOverlayRenderer implements OverlayRenderer
{
private double scaleFactor;
private LinealModel verticalLinealModel;
private LinealModel horizontalLinealModel;
public GuidelineOverlayRenderer(final LinealModel horizontalLinealModel, final LinealModel verticalLinealModel)
{
this.horizontalLinealModel = horizontalLinealModel;
this.verticalLinealModel = verticalLinealModel;
}
public void validate(final ReportDocumentContext context, final double zoomFactor, final Point2D sectionOffset)
{
this.scaleFactor = zoomFactor;
}
public void draw(final Graphics2D g2, final Rectangle2D bounds, final ImageObserver obs)
{
g2.setStroke(new BasicStroke(0.2f));
final Color guideColor = WorkspaceSettings.getInstance().getGuideColor();
g2.setColor(guideColor);
if (verticalLinealModel != null)
{
final double topBorder = bounds.getY();
final GuideLine[] vlines = verticalLinealModel.getGuideLines();
final int gridwidth = (int) bounds.getWidth();
for (int i = 0; i < vlines.length; i++)
{
final GuideLine line = vlines[i];
if (line.isActive())
{
final double h = line.getPosition() + topBorder;
final double linePos = h * scaleFactor;
g2.drawLine(0, (int) linePos, gridwidth, (int) (h * scaleFactor));
}
}
}
if (horizontalLinealModel != null)
{
final double leftBorder = bounds.getX();
final GuideLine[] hlines = horizontalLinealModel.getGuideLines();
final int gridHeight = (int) bounds.getHeight();
for (int i = 0; i < hlines.length; i++)
{
final GuideLine line = hlines[i];
if (line.isActive())
{
final double w = line.getPosition() + leftBorder;
final double linePos = w * scaleFactor;
g2.drawLine((int) linePos, 0, (int) linePos, gridHeight);
}
}
}
}
}