/*
* Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package javax.swing.plaf.nimbus;
import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import javax.swing.*;
import javax.swing.Painter;
final class DesktopIconPainter extends AbstractRegionPainter {
//package private integers representing the available states that
//this painter will paint. These are used when creating a new instance
//of DesktopIconPainter to determine which region/state is being painted
//by that instance.
static final int BACKGROUND_ENABLED = 1;
private int state; //refers to one of the static final ints above
private PaintContext ctx;
//the following 4 variables are reused during the painting code of the layers
private Path2D path = new Path2D.Float();
private Rectangle2D rect = new Rectangle2D.Float(0, 0, 0, 0);
private RoundRectangle2D roundRect = new RoundRectangle2D.Float(0, 0, 0, 0, 0, 0);
private Ellipse2D ellipse = new Ellipse2D.Float(0, 0, 0, 0);
//All Colors used for painting are stored here. Ideally, only those colors being used
//by a particular instance of DesktopIconPainter would be created. For the moment at least,
//however, all are created for each instance.
private Color color1 = decodeColor("nimbusBase", 0.02551502f, -0.47885156f, -0.34901965f, 0);
private Color color2 = decodeColor("nimbusBlueGrey", -0.027777791f, -0.102261856f, 0.20392156f, 0);
private Color color3 = decodeColor("nimbusBlueGrey", 0.0f, -0.0682728f, 0.09019607f, 0);
private Color color4 = decodeColor("nimbusBlueGrey", -0.01111114f, -0.088974595f, 0.16470587f, 0);
private Color color5 = decodeColor("nimbusBlueGrey", 0.0f, -0.029445238f, -0.019607842f, 0);
//Array of current component colors, updated in each paint call
private Object[] componentColors;
public DesktopIconPainter(PaintContext ctx, int state) {
super();
this.state = state;
this.ctx = ctx;
}
@Override
protected void doPaint(Graphics2D g, JComponent c, int width, int height, Object[] extendedCacheKeys) {
//populate componentColors array with colors calculated in getExtendedCacheKeys call
componentColors = extendedCacheKeys;
//generate this entire method. Each state/bg/fg/border combo that has
//been painted gets its own KEY and paint method.
switch(state) {
case BACKGROUND_ENABLED: paintBackgroundEnabled(g); break;
}
}
@Override
protected final PaintContext getPaintContext() {
return ctx;
}
private void paintBackgroundEnabled(Graphics2D g) {
roundRect = decodeRoundRect1();
g.setPaint(color1);
g.fill(roundRect);
roundRect = decodeRoundRect2();
g.setPaint(decodeGradient1(roundRect));
g.fill(roundRect);
rect = decodeRect1();
g.setPaint(decodeGradient2(rect));
g.fill(rect);
}
private RoundRectangle2D decodeRoundRect1() {
roundRect.setRoundRect(decodeX(0.4f), //x
decodeY(0.0f), //y
decodeX(2.8f) - decodeX(0.4f), //width
decodeY(2.6f) - decodeY(0.0f), //height
4.8333335f, 4.8333335f); //rounding
return roundRect;
}
private RoundRectangle2D decodeRoundRect2() {
roundRect.setRoundRect(decodeX(0.6f), //x
decodeY(0.2f), //y
decodeX(2.8f) - decodeX(0.6f), //width
decodeY(2.4f) - decodeY(0.2f), //height
3.1f, 3.1f); //rounding
return roundRect;
}
private Rectangle2D decodeRect1() {
rect.setRect(decodeX(0.8f), //x
decodeY(0.4f), //y
decodeX(2.4f) - decodeX(0.8f), //width
decodeY(2.2f) - decodeY(0.4f)); //height
return rect;
}
private Paint decodeGradient1(Shape s) {
Rectangle2D bounds = s.getBounds2D();
float x = (float)bounds.getX();
float y = (float)bounds.getY();
float w = (float)bounds.getWidth();
float h = (float)bounds.getHeight();
return decodeGradient((0.5f * w) + x, (0.0f * h) + y, (0.5f * w) + x, (1.0f * h) + y,
new float[] { 0.0f,0.5f,1.0f },
new Color[] { color2,
decodeColor(color2,color3,0.5f),
color3});
}
private Paint decodeGradient2(Shape s) {
Rectangle2D bounds = s.getBounds2D();
float x = (float)bounds.getX();
float y = (float)bounds.getY();
float w = (float)bounds.getWidth();
float h = (float)bounds.getHeight();
return decodeGradient((0.5f * w) + x, (0.0f * h) + y, (0.5f * w) + x, (1.0f * h) + y,
new float[] { 0.0f,0.24f,1.0f },
new Color[] { color4,
decodeColor(color4,color5,0.5f),
color5});
}
}