/*
* 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.RoundRectangle2D;
import org.pentaho.reporting.libraries.pixie.wmf.MfDcState;
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 RoundRect function draws a rectangle with rounded corners. The rectangle is
* outlined by using the current pen and filled by using the current brush.
*/
public class MfCmdRoundRect extends MfCmd
{
private static final int RECORD_SIZE = 6;
private static final int POS_TOP = 4;
private static final int POS_LEFT = 5;
private static final int POS_RIGHT = 3;
private static final int POS_BOTTOM = 2;
private static final int POS_ROUND_WIDTH = 1;
private static final int POS_ROUND_HEIGHT = 0;
private int x;
private int y;
private int width;
private int height;
private int roundWidth;
private int roundHeight;
private int scaled_x;
private int scaled_y;
private int scaled_width;
private int scaled_height;
private int scaled_roundWidth;
private int scaled_roundHeight;
public MfCmdRoundRect()
{
}
/**
* Replays the command on the given WmfFile.
*
* @param file the meta file.
*/
public void replay(final WmfFile file)
{
final Graphics2D graph = file.getGraphics2D();
final Rectangle rec = getScaledBounds();
final Dimension dim = getScaledRoundingDim();
final RoundRectangle2D shape = new RoundRectangle2D.Double();
shape.setRoundRect(rec.x, rec.y, rec.width, rec.height, dim.width, dim.height);
final MfDcState state = file.getCurrentState();
if (state.getLogBrush().isVisible())
{
state.preparePaint();
graph.fill(shape);
state.postPaint();
}
if (state.getLogPen().isVisible())
{
state.prepareDraw();
graph.draw(shape);
state.postDraw();
}
}
/**
* Creates a empty unintialized copy of this command implementation.
*
* @return a new instance of the command.
*/
public MfCmd getInstance()
{
return new MfCmdRoundRect();
}
public String toString()
{
final StringBuffer b = new StringBuffer();
b.append("[ROUND_RECTANGLE] bounds=");
b.append(getBounds());
b.append(" roundingDim=");
b.append(getRoundingDim());
return b.toString();
}
/**
* 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 rHeight = record.getParam(POS_ROUND_HEIGHT);
final int rWidth = record.getParam(POS_ROUND_WIDTH);
final int bottom = record.getParam(POS_BOTTOM);
final int right = record.getParam(POS_RIGHT);
final int top = record.getParam(POS_TOP);
final int left = record.getParam(POS_LEFT);
setBounds(left, top, right - left, bottom - top);
setRoundingDim(rWidth, rHeight);
}
/**
* Creates a new record based on the data stored in the MfCommand.
*
* @return the created record.
*/
public MfRecord getRecord()
throws RecordCreationException
{
final MfRecord record = new MfRecord(RECORD_SIZE);
final Dimension rDim = getRoundingDim();
record.setParam(POS_ROUND_HEIGHT, rDim.height);
record.setParam(POS_ROUND_WIDTH, rDim.width);
final Rectangle bounds = getBounds();
record.setParam(POS_BOTTOM, bounds.height + bounds.y);
record.setParam(POS_RIGHT, bounds.width + bounds.x);
record.setParam(POS_TOP, bounds.y);
record.setParam(POS_LEFT, bounds.x);
return record;
}
public Rectangle getBounds()
{
return new Rectangle(x, y, width, height);
}
public Rectangle getScaledBounds()
{
return new Rectangle(scaled_x, scaled_y, scaled_width, scaled_height);
}
public void setBounds(final int x, final int y, final int width, final int height)
{
this.x = x;
this.y = y;
this.width = width;
this.height = height;
scaleXChanged();
scaleYChanged();
}
public void setRoundingDim(final int w, final int h)
{
this.roundWidth = w;
this.roundHeight = h;
scaleXChanged();
scaleYChanged();
}
public Dimension getRoundingDim()
{
return new Dimension(roundWidth, roundHeight);
}
public Dimension getScaledRoundingDim()
{
return new Dimension(scaled_roundWidth, scaled_roundHeight);
}
/**
* 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_x = getScaledX(x);
scaled_width = getScaledX(width);
scaled_roundWidth = getScaledX(roundWidth);
}
/**
* 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_y = getScaledY(y);
scaled_height = getScaledY(height);
scaled_roundHeight = getScaledY(roundHeight);
}
/**
* 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.ROUND_RECT;
}
}