/*
* 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.libraries.pixie.wmf.records;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.geom.Rectangle2D;
import org.pentaho.reporting.libraries.pixie.wmf.MfDcState;
import org.pentaho.reporting.libraries.pixie.wmf.MfLogBrush;
import org.pentaho.reporting.libraries.pixie.wmf.MfLogRegion;
import org.pentaho.reporting.libraries.pixie.wmf.MfRecord;
import org.pentaho.reporting.libraries.pixie.wmf.MfType;
import org.pentaho.reporting.libraries.pixie.wmf.WmfFile;
/**
* The FrameRgn function draws a border around the specified region by using the specified
* brush.
*/
public class MfCmdFrameRegion extends MfCmd
{
private int width;
private int height;
private int scaled_width;
private int scaled_height;
private int brushObjectNr;
private int regionObjectNr;
public MfCmdFrameRegion()
{
}
/**
* Replays the command on the given WmfFile.
*
* @param file the meta file.
*/
public void replay(final WmfFile file)
{
final MfLogBrush brush = file.getBrushObject(brushObjectNr);
final MfLogRegion regio = file.getRegionObject(regionObjectNr);
final MfDcState state = file.getCurrentState();
state.setLogRegion(regio);
state.setLogBrush(brush);
final Graphics2D graph = file.getGraphics2D();
final Rectangle rec = scaleRect(regio.getBounds());
if (brush.isVisible())
{
final Dimension dim = getScaledDimension();
// upper side
final Rectangle2D rect = new Rectangle2D.Double();
rect.setFrame(rec.x, rec.y, rec.width, dim.height);
state.preparePaint();
graph.fill(rect);
// lower side
rect.setFrame(rec.x, rec.y - dim.height, rec.width, dim.height);
graph.fill(rect);
// east
rect.setFrame(rec.x, rec.y, dim.width, rec.height);
graph.fill(rect);
// west
rect.setFrame(rec.width - dim.width, rec.y, dim.width, rec.height);
graph.fill(rect);
state.postPaint();
}
}
/**
* Creates a empty unintialized copy of this command implementation.
*
* @return a new instance of the command.
*/
public MfCmd getInstance()
{
return new MfCmdFrameRegion();
}
/**
* Reads the function identifier. Every record type is identified by a function number
* corresponding to one of the Windows GDI functions used.
*
* @return the function identifier.
*/
public int getFunction()
{
return MfType.FRAME_REGION;
}
/**
* Reads the command data from the given record and adjusts the internal parameters
* according to the data parsed.
* <p/>
* After the raw record was read from the datasource, the record is parsed by the
* concrete implementation.
*
* @param record the raw data that makes up the record.
*/
public void setRecord(final MfRecord record)
{
final int height = record.getParam(0);
final int width = record.getParam(1);
final int regio = record.getParam(2);
final int brush = record.getParam(3);
setBrush(brush);
setRegion(regio);
setDimension(width, height);
}
/**
* Creates a new record based on the data stored in the MfCommand.
*
* @return the created record.
*/
public MfRecord getRecord()
{
final MfRecord record = new MfRecord(4);
final Dimension dim = getDimension();
record.setParam(0, dim.height);
record.setParam(1, dim.width);
record.setParam(2, getRegion());
record.setParam(3, getBrush());
return record;
}
public String toString()
{
final StringBuffer b = new StringBuffer();
b.append("[FRAME_REGION] region=");
b.append(getRegion());
b.append(" brush=");
b.append(getBrush());
b.append(" dimension=");
b.append(getDimension());
return b.toString();
}
public void setDimension(final int width, final int height)
{
this.width = width;
this.height = height;
scaleXChanged();
scaleYChanged();
}
public void setDimension(final Dimension dim)
{
setDimension(dim.width, dim.height);
}
/**
* A callback function to inform the object, that the x scale has changed and the
* internal coordinate values have to be adjusted.
*/
protected void scaleXChanged()
{
scaled_width = getScaledX(width);
}
/**
* A callback function to inform the object, that the y scale has changed and the
* internal coordinate values have to be adjusted.
*/
protected void scaleYChanged()
{
scaled_height = getScaledY(height);
}
public Dimension getDimension()
{
return new Dimension(width, height);
}
public Dimension getScaledDimension()
{
return new Dimension(scaled_width, scaled_height);
}
public int getBrush()
{
return brushObjectNr;
}
public void setBrush(final int brush)
{
this.brushObjectNr = brush;
}
public int getRegion()
{
return regionObjectNr;
}
public void setRegion(final int region)
{
regionObjectNr = region;
}
}