/*
* 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.image.BufferedImage;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.libraries.pixie.wmf.MfLogBrush;
import org.pentaho.reporting.libraries.pixie.wmf.MfRecord;
import org.pentaho.reporting.libraries.pixie.wmf.MfType;
import org.pentaho.reporting.libraries.pixie.wmf.WmfFile;
import org.pentaho.reporting.libraries.pixie.wmf.bitmap.DIBReader;
/**
* The CreatePatternBrush function creates a logical brush with the specified bitmap
* pattern. The bitmap can be a DIB section bitmap, which is created by the
* CreateDIBSection function, or it can be a device-dependent bitmap.
* <p/>
* No DIB related function is yet fully implemented...
* <p/>
* todo
*/
public class MfCmdCreatePatternBrush extends MfCmd
{
private static final Log logger = LogFactory.getLog(MfCmdCreatePatternBrush.class);
// private static final int POS_BITMAP_WIDTH = 0;
// private static final int POS_BITMAP_HEIGHT = 1;
// private static final int POS_BYTES_PER_LINE = 2;
// // ColorPlanes on byte pos 6 and bits per pixel on pos 7
// private static final int POS_COLOR_PLANES = 3;
// private static final int POS_BITS_PER_PIXEL = 3;
// // ?? 32 bit value ...
// private static final int POS_POINTER_BITVALUES = 4;
// private static final int POS_BITPATTERN = 6;
private BufferedImage image;
public MfCmdCreatePatternBrush()
{
}
/**
* 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)
{
try
{
final DIBReader reader = new DIBReader();
setImage(reader.setRecord(record));
}
catch (Exception e)
{
logger.warn("Failed to update CreatePatternBrush-Record", e);
}
}
public BufferedImage getImage()
{
return image;
}
public void setImage(final BufferedImage image)
{
if (image == null)
{
throw new NullPointerException();
}
this.image = image;
}
/**
* 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.CREATE_PATTERN_BRUSH;
}
public String toString()
{
final StringBuffer b = new StringBuffer();
b.append("[CREATE_PATTERN_BRUSH] ");
b.append(" no internals known (not seen in the wild)");
return b.toString();
}
/**
* Replays the command on the given WmfFile.
*
* @param file the meta file.
*/
public void replay(final WmfFile file)
{
final MfLogBrush lbrush = new MfLogBrush();
lbrush.setStyle(MfLogBrush.BS_DIBPATTERN);
lbrush.setBitmap(image);
file.getCurrentState().setLogBrush(lbrush);
file.storeObject(lbrush);
}
/**
* Creates a empty unintialized copy of this command implementation.
*
* @return a new instance of the command.
*/
public MfCmd getInstance()
{
return new MfCmdCreatePatternBrush();
}
/**
* 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()
{
}
/**
* 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()
{
}
/**
* Creates a new record based on the data stored in the MfCommand.
*
* @return the created record.
* @throws RecordCreationException always, as this method is not implemented.
*/
public MfRecord getRecord()
throws RecordCreationException
{
throw new RecordCreationException("This method is not implemented");
}
}