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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.java.swing.plaf.nimbus;
import com.sun.java.swing.Painter;
import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import javax.swing.*;
final class MenuBarPainter extends AbstractRegionPainter {
//package private integers representing the available states that
//this painter will paint. These are used when creating a new instance
//of MenuBarPainter to determine which region/state is being painted
//by that instance.
static final int BACKGROUND_ENABLED = 1;
static final int BORDER_ENABLED = 2;
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 MenuBarPainter would be created. For the moment at least,
//however, all are created for each instance.
private Color color1 = decodeColor("nimbusBlueGrey", 0.0f, -0.07016757f, 0.12941176f, 0);
private Color color2 = decodeColor("nimbusBlueGrey", -0.027777791f, -0.10255819f, 0.23921567f, 0);
private Color color3 = decodeColor("nimbusBlueGrey", -0.111111104f, -0.10654225f, 0.23921567f, -29);
private Color color4 = decodeColor("nimbusBlueGrey", 0.0f, -0.110526316f, 0.25490195f, -255);
private Color color5 = decodeColor("nimbusBorder", 0.0f, 0.0f, 0.0f, 0);
//Array of current component colors, updated in each paint call
private Object[] componentColors;
public MenuBarPainter(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;
case BORDER_ENABLED: paintBorderEnabled(g); break;
}
}
@Override
protected final PaintContext getPaintContext() {
return ctx;
}
private void paintBackgroundEnabled(Graphics2D g) {
rect = decodeRect1();
g.setPaint(color1);
g.fill(rect);
rect = decodeRect2();
g.setPaint(decodeGradient1(rect));
g.fill(rect);
}
private void paintBorderEnabled(Graphics2D g) {
rect = decodeRect3();
g.setPaint(color5);
g.fill(rect);
}
private Rectangle2D decodeRect1() {
rect.setRect(decodeX(1.0f), //x
decodeY(0.0f), //y
decodeX(2.0f) - decodeX(1.0f), //width
decodeY(1.9523809f) - decodeY(0.0f)); //height
return rect;
}
private Rectangle2D decodeRect2() {
rect.setRect(decodeX(1.0f), //x
decodeY(0.0f), //y
decodeX(2.0f) - decodeX(1.0f), //width
decodeY(2.0f) - decodeY(0.0f)); //height
return rect;
}
private Rectangle2D decodeRect3() {
rect.setRect(decodeX(1.0f), //x
decodeY(2.0f), //y
decodeX(2.0f) - decodeX(1.0f), //width
decodeY(3.0f) - decodeY(2.0f)); //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((1.0f * w) + x, (0.0f * h) + y, (1.0f * w) + x, (1.0f * h) + y,
new float[] { 0.0f,0.015f,0.03f,0.23354445f,0.7569444f },
new Color[] { color2,
decodeColor(color2,color3,0.5f),
color3,
decodeColor(color3,color4,0.5f),
color4});
}
}