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WebLaf is a Java Swing Look and Feel and extended components library for cross-platform applications
/*
* This file is part of WebLookAndFeel library.
*
* WebLookAndFeel library is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* WebLookAndFeel library 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WebLookAndFeel library. If not, see .
*/
package com.alee.extended.statusbar;
import com.alee.painter.decoration.background.AbstractBackground;
import com.alee.painter.decoration.IDecoration;
import com.alee.utils.GraphicsUtils;
import com.thoughtworks.xstream.annotations.XStreamAlias;
import com.thoughtworks.xstream.annotations.XStreamAsAttribute;
import java.awt.*;
import java.awt.geom.RoundRectangle2D;
/**
* @author Mikle Garin
*/
@XStreamAlias ( "WebMemoryBarBackground" )
public class WebMemoryBarBackground, I extends WebMemoryBarBackground>
extends AbstractBackground
{
/**
* Progress shape round.
*/
@XStreamAsAttribute
protected Integer round;
/**
* Used border color.
*/
protected Color usedBorderColor;
/**
* Used fill color.
*/
protected Color usedFillColor;
/**
* Allocated mark color.
*/
protected Color allocatedMarkColor;
@Override
protected String getDefaultId ()
{
return "memory-background";
}
@Override
public void paint ( final Graphics2D g2d, final Rectangle bounds, final E c, final D d, final Shape shape )
{
final float opacity = getOpacity ();
if ( opacity > 0 )
{
final Composite oc = GraphicsUtils.setupAlphaComposite ( g2d, opacity, opacity < 1f );
final Rectangle b = shape.getBounds ();
final Rectangle ib = new Rectangle ( b.x + 2, b.y + 2, b.width - 4, b.height - 4 );
final long max = c.isShowMaximumMemory () ? c.getMaxMemory () : c.getAllocatedMemory ();
// Allocated memory line
if ( c.isShowMaximumMemory () )
{
final int allocatedWidth = getProgressWidth ( ib, c.getAllocatedMemory (), max, false );
g2d.setPaint ( allocatedMarkColor );
g2d.drawLine ( ib.x + allocatedWidth, ib.y, ib.x + allocatedWidth, ib.y + ib.height - 1 );
}
// Used memory background
g2d.setPaint ( usedFillColor );
g2d.fill ( getProgressShape ( ib, c.getUsedMemory (), max, true ) );
// Used memory border
g2d.setPaint ( usedBorderColor );
g2d.draw ( getProgressShape ( ib, c.getUsedMemory (), max, false ) );
GraphicsUtils.restoreComposite ( g2d, oc, opacity < 1f );
}
}
/**
* Returns progress shape.
*
* @param bounds content bounds
* @param progress progress amount
* @param max max progress amount
* @param fill whether or not fill shape is required
* @return progress shape
*/
protected Shape getProgressShape ( final Rectangle bounds, final long progress, final long max, final boolean fill )
{
return new RoundRectangle2D.Double ( bounds.x, bounds.y, getProgressWidth ( bounds, progress, max, fill ),
bounds.height - ( fill ? 0 : 1 ), round, round );
}
/**
* Returns progress width.
*
* @param bounds content bounds
* @param progress progress amount
* @param max max progress amount
* @param fill whether or not fill shape is required
* @return progress width
*/
protected int getProgressWidth ( final Rectangle bounds, final long progress, final long max, final boolean fill )
{
return Math.round ( ( float ) ( bounds.width - ( fill ? 0 : 1 ) ) * progress / max );
}
@Override
public I merge ( final I background )
{
super.merge ( background );
if ( background.round != null )
{
round = background.round;
}
if ( background.usedBorderColor != null )
{
usedBorderColor = background.usedBorderColor;
}
if ( background.usedFillColor != null )
{
usedFillColor = background.usedFillColor;
}
if ( background.allocatedMarkColor != null )
{
allocatedMarkColor = background.allocatedMarkColor;
}
return ( I ) this;
}
}
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