/*
* 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 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;
import java.awt.*;
import java.awt.geom.RoundRectangle2D;
/**
* 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;
}
}