/** Transform a bounding box. This is only a rough estimate. */
public Rectangle2D transform(Rectangle2D r) {
Point2D.Double in = new Point2D.Double();
Point2D.Double out = new Point2D.Double();
Rectangle2D bounds = null;
if (isRectilinear()) {
for (int ix = 0; ix < 2; ix++) {
double x = r.getX() + r.getWidth() * ix;
for (int iy = 0; iy < 2; iy++) {
double y = r.getY() + r.getHeight() * iy;
in.x = x;
in.y = y;
transform(in, out);
if (ix == 0 && iy == 0) bounds = new Rectangle2D.Double(out.x, out.y, 0, 0);
else bounds.add(out.x, out.y);
}
}
} else {
for (int ix = 0; ix < 7; ix++) {
double x = r.getX() + r.getWidth() * ix / 6;
for (int iy = 0; iy < 7; iy++) {
double y = r.getY() + r.getHeight() * iy / 6;
in.x = x;
in.y = y;
transform(in, out);
if (ix == 0 && iy == 0) bounds = new Rectangle2D.Double(out.x, out.y, 0, 0);
else bounds.add(out.x, out.y);
}
}
}
return bounds;
}
public void addStationToParking(TaxiwayParkingModel model) {
Rectangle2D square = ((java.awt.geom.Ellipse2D.Float) model.getParkingCircle()).getBounds2D();
SceneryModel sceneryModel = new SceneryModel();
sceneryModel.setShouldNotify(false);
sceneryModel.setName("{0da416ee-c523-4d81-a562-9ce503f28468}");
sceneryModel.setHeading(model.getHeading());
java.awt.geom.Point2D.Float point =
new java.awt.geom.Point2D.Float(
(float) (square.getX() + square.getWidth() / 2D),
(float) (square.getY() + square.getHeight() / 2D));
java.awt.geom.Point2D.Float sceneryPoint =
Utilities.rotatePoint(
point,
new java.awt.geom.Point2D.Float(
(float) (square.getX() + square.getWidth() / 2D),
(float) (square.getY() - 27.5D * (double) scale)),
model.getHeading());
sceneryModel.setLatLon(
Utilities.getLatLonForPixel(
model.getCenterPoint().getLat(),
model.getCenterPoint().getLon(),
sceneryPoint.getX(),
sceneryPoint.getY(),
scale));
sceneryModel.setShouldNotify(true);
addSceneryModel(sceneryModel);
}
public void paint(Graphics g, Shape a) {
Graphics2D g2 = (Graphics2D) g;
Rectangle2D abounds = a.getBounds2D();
AffineTransform saveTransform = g2.getTransform();
Paint savePaint = g2.getPaint();
try {
g2.translate(abounds.getX() - bounds.getX(), abounds.getY() - bounds.getY());
g2.setPaint(Color.BLACK); // FIXME
p.paint(g2);
} finally {
g2.setTransform(saveTransform);
g2.setPaint(savePaint);
}
}
private Paint decodeGradient6(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, 0.03f, 0.06f, 0.33f, 0.6f, 0.65f, 0.7f, 0.825f, 0.95f, 0.975f, 1.0f},
new Color[] {
color28,
decodeColor(color28, color29, 0.5f),
color29,
decodeColor(color29, color30, 0.5f),
color30,
decodeColor(color30, color30, 0.5f),
color30,
decodeColor(color30, color31, 0.5f),
color31,
decodeColor(color31, color32, 0.5f),
color32
});
}
private Paint decodeGradient10(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, 0.024f, 0.06f, 0.276f, 0.6f, 0.65f, 0.7f, 0.856f, 0.96f, 0.98f, 1.0f},
new Color[] {
(Color) componentColors[0],
decodeColor((Color) componentColors[0], (Color) componentColors[1], 0.5f),
(Color) componentColors[1],
decodeColor((Color) componentColors[1], (Color) componentColors[2], 0.5f),
(Color) componentColors[2],
decodeColor((Color) componentColors[2], (Color) componentColors[2], 0.5f),
(Color) componentColors[2],
decodeColor((Color) componentColors[2], (Color) componentColors[3], 0.5f),
(Color) componentColors[3],
decodeColor((Color) componentColors[3], (Color) componentColors[3], 0.5f),
(Color) componentColors[3]
});
}
/**
* Compute the bounds of the text, if necessary.
*
* @param dc the current DrawContext.
*/
protected void computeBoundsIfNeeded(DrawContext dc) {
// Do not compute bounds if they are available. Computing text bounds is expensive, so only do
// this
// calculation if necessary.
if (this.bounds != null) return;
TextRenderer textRenderer =
OGLTextRenderer.getOrCreateTextRenderer(dc.getTextRendererCache(), this.getFont());
int width = 0;
int maxLineHeight = 0;
this.lineBounds = new Rectangle2D[this.lines.length];
for (int i = 0; i < this.lines.length; i++) {
Rectangle2D lineBounds = textRenderer.getBounds(lines[i]);
width = (int) Math.max(lineBounds.getWidth(), width);
double thisLineHeight = Math.abs(lineBounds.getY());
maxLineHeight = (int) Math.max(thisLineHeight, maxLineHeight);
this.lineBounds[i] = lineBounds;
}
this.lineHeight = maxLineHeight;
// Compute final height using maxLineHeight and number of lines
this.bounds =
new Rectangle(
this.lines.length,
maxLineHeight,
width,
this.lines.length * maxLineHeight + this.lines.length * this.lineSpacing);
}
public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
String message = "Hello, World!";
Font f = new Font("Serif", Font.BOLD, 36);
g2.setFont(f);
FontRenderContext context = g2.getFontRenderContext();
Rectangle2D bounds = f.getStringBounds(message, context);
double x = (getWidth() - bounds.getWidth()) / 2;
double y = (getHeight() - bounds.getHeight()) / 2;
double ascent = -bounds.getY();
double baseY = y + ascent;
g2.drawString(message, (int) x, (int) baseY);
g2.setPaint(Color.LIGHT_GRAY);
g2.draw(new Line2D.Double(x, baseY, x + bounds.getWidth(), baseY));
Rectangle2D rect = new Rectangle2D.Double(x, y, bounds.getWidth(), bounds.getHeight());
g2.draw(rect);
}
/**
* Constructs a new arc, initialized to the specified location, size, angular extents, and
* closure type.
*
* @param ellipseBounds The framing rectangle that defines the outer boundary of the full
* ellipse of which this arc is a partial section.
* @param start The starting angle of the arc in degrees.
* @param extent The angular extent of the arc in degrees.
* @param type The closure type for the arc: {@link #OPEN}, {@link #CHORD}, or {@link #PIE}.
* @since 1.2
*/
public Double(Rectangle2D ellipseBounds, double start, double extent, int type) {
super(type);
this.x = ellipseBounds.getX();
this.y = ellipseBounds.getY();
this.width = ellipseBounds.getWidth();
this.height = ellipseBounds.getHeight();
this.start = start;
this.extent = extent;
}
/**
* Constructs a new arc, initialized to the specified location, size, angular extents, and
* closure type.
*
* @param ellipseBounds The framing rectangle that defines the outer boundary of the full
* ellipse of which this arc is a partial section.
* @param start The starting angle of the arc in degrees.
* @param extent The angular extent of the arc in degrees.
* @param type The closure type for the arc: {@link #OPEN}, {@link #CHORD}, or {@link #PIE}.
* @since 1.2
*/
public Float(Rectangle2D ellipseBounds, float start, float extent, int type) {
super(type);
this.x = (float) ellipseBounds.getX();
this.y = (float) ellipseBounds.getY();
this.width = (float) ellipseBounds.getWidth();
this.height = (float) ellipseBounds.getHeight();
this.start = start;
this.extent = extent;
}
private Paint decodeGradient4(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, 0.1684492f, 1.0f},
new Color[] {color10, decodeColor(color10, color11, 0.5f), color11});
}
private Paint decodeGradient3(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, 0.49573863f, 0.99147725f},
new Color[] {color8, decodeColor(color8, color9, 0.5f), color9});
}
/**
* Helper method, which calculates the top-left co-ordinate of a rectangle given the rectangle's
* alignment.
*/
protected static void getAlignedPoint(Point2D p, Rectangle2D r, int xAlign, int yAlign) {
double x = r.getX(), y = r.getY(), w = r.getWidth(), h = r.getHeight();
if (xAlign == Constants.CENTER) {
x = x + (w / 2);
} else if (xAlign == Constants.RIGHT) {
x = x + w;
}
if (yAlign == Constants.CENTER) {
y = y + (h / 2);
} else if (yAlign == Constants.BOTTOM) {
y = y + h;
}
p.setLocation(x, y);
}
private Paint decodeGradient10(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(
(0.24868421f * w) + x,
(0.0014705883f * h) + y,
(0.24868421f * w) + x,
(1.0f * h) + y,
new float[] {0.0f, 0.5f, 1.0f},
new Color[] {color48, decodeColor(color48, color49, 0.5f), color49});
}
private Paint decodeGradient9(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[] {0.09f, 0.52f, 0.95f},
new Color[] {color39, decodeColor(color39, color40, 0.5f), color40});
}
private Paint decodeGradient5(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[] {0.1f, 0.49999997f, 0.9f},
new Color[] {color7, decodeColor(color7, color8, 0.5f), color8});
}
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(
(0.25f * w) + x,
(0.0f * h) + y,
(0.25441176f * w) + x,
(1.0016667f * h) + y,
new float[] {0.0f, 0.5f, 1.0f},
new Color[] {color3, decodeColor(color3, color2, 0.5f), color2});
}
private Paint decodeGradient13(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[] {0.26047903f, 0.6302395f, 1.0f},
new Color[] {color62, decodeColor(color62, color63, 0.5f), color63});
}
public void addTriggerToParking(TaxiwayParkingModel model) {
Rectangle2D square = ((java.awt.geom.Ellipse2D.Float) model.getParkingCircle()).getBounds2D();
square.setFrame(
square.getX() - (double) (20F * scale),
square.getY() - (double) (20F * scale),
square.getWidth() + (double) (40F * scale),
square.getHeight() + (double) (40F * scale));
TriggerModel triggerModel = new TriggerModel();
triggerModel.setShouldNotify(false);
triggerModel.setType73("YES");
triggerModel.setTypeJet("YES");
triggerModel.setShouldNotify(true);
java.awt.geom.Point2D.Float point =
new java.awt.geom.Point2D.Float(
(float) (square.getX() + square.getWidth() / 2D),
(float) (square.getY() + square.getHeight() / 2D));
java.awt.geom.Point2D.Float vertexPoints[] = new java.awt.geom.Point2D.Float[4];
vertexPoints[0] =
Utilities.rotatePoint(
point,
new java.awt.geom.Point2D.Float((float) square.getX(), (float) square.getY()),
model.getHeading());
vertexPoints[1] =
Utilities.rotatePoint(
point,
new java.awt.geom.Point2D.Float(
(float) square.getX(), (float) (square.getY() + square.getHeight())),
model.getHeading());
vertexPoints[2] =
Utilities.rotatePoint(
point,
new java.awt.geom.Point2D.Float(
(float) (square.getX() + square.getWidth()),
(float) (square.getY() + square.getHeight())),
model.getHeading());
vertexPoints[3] =
Utilities.rotatePoint(
point,
new java.awt.geom.Point2D.Float(
(float) (square.getX() + square.getWidth()), (float) square.getY()),
model.getHeading());
for (int i = 0; i < 4; i++) {
VertexModel vertexModel = new VertexModel();
vertexModel.setShouldNotify(false);
vertexModel.setLatLon(
Utilities.getLatLonForPixel(
model.getCenterPoint().getLat(),
model.getCenterPoint().getLon(),
vertexPoints[i].getX(),
vertexPoints[i].getY(),
scale));
vertexModel.setShouldNotify(true);
triggerModel.addVertexModel(vertexModel);
}
addTriggerModel(triggerModel);
}
public void draw(
Graphics2D g,
Color stringColor,
Color foreground,
Color background,
String info,
double x,
double y) {
FontMetrics fm = g.getFontMetrics();
int h = fm.getHeight();
int w = fm.stringWidth(info);
r1.setRect(
x - w / 2 - in.left, y - in.top - h / 2, w + in.right + in.left, h + in.bottom + in.top);
g.setColor(background);
g.fill(r1);
g.setColor(stringColor);
g.draw(r1);
g.setColor(foreground);
r2.setRect(r1.getX() + 1, r1.getY() + 1, r1.getWidth() - 2, r1.getHeight() - 2);
g.draw(r2);
g.setColor(stringColor);
g.drawString(
info, (float) (r2.getX() + in.left), (float) (r2.getY() + h - (r2.getHeight() - h) / 2));
}
protected float drawBoxedString(Graphics2D g2, String s, Color c1, Color c2, double x) {
// Calculate the width of the string.
FontRenderContext frc = g2.getFontRenderContext();
TextLayout subLayout = new TextLayout(s, mFont, frc);
float advance = subLayout.getAdvance();
// Fill the background rectangle with a gradient.
GradientPaint gradient = new GradientPaint((float) x, 0, c1, (float) (x + advance), 0, c2);
g2.setPaint(gradient);
Rectangle2D bounds = mLayout.getBounds();
Rectangle2D back = new Rectangle2D.Double(x, 0, advance, bounds.getHeight());
g2.fill(back);
// Draw the string over the gradient rectangle.
g2.setPaint(Color.white);
g2.setFont(mFont);
g2.drawString(s, (float) x, (float) -bounds.getY());
return advance;
}
public void paintComponent(Graphics g) {
// необходиом чтобы текст коректно отрисовывался в окне
super.paintComponent(g);
// рисуем текст в окне
Graphics2D g2 = (Graphics2D) g;
AffineTransform t = g2.getTransform();
g.drawString("It is text", 5, 5);
// создание шрифта
Font f = new Font("SanasSerif", Font.ITALIC, 20);
g2.setFont(f);
g2.drawString("It is new text", 5, 33);
String[] fontNames =
GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
for (int i = 5; i < 20; i++) {
g2.rotate(-0.05);
g2.setColor(
new Color(
(int) (Math.random() * 255),
(int) (Math.random() * 255),
(int) (Math.random() * 255)));
Font f1 = new Font(fontNames[i], Font.BOLD, 20);
g2.setFont(f1);
g2.drawString(fontNames[i], 5, 20 * i);
}
// текст в центре
g2.setTransform(t); // возращение к кординатам, которые запонилив начале
Font f2 = new Font("SanasSerif", Font.ITALIC, 20);
g2.setFont(f2);
String s = "It is center!";
FontRenderContext context = g2.getFontRenderContext();
Rectangle2D r = f2.getStringBounds(s, context);
double x1 = (getWidth() - r.getWidth()) / 2;
double y1 = (getHeight() - r.getHeight()) / 2;
double ascent = -r.getY(); // узнаем высоту текста
double y2 = y1 + ascent;
Rectangle2D rect = new Rectangle2D.Double(x1, y1, r.getWidth(), r.getHeight());
g2.setColor(Color.YELLOW);
g2.fill(rect);
g2.setColor(Color.red);
g2.drawString(s, (int) x1, (int) y2);
g2.setColor(Color.blue);
g2.draw(new Line2D.Double(x1, y2, x1 + r.getWidth(), y2));
g2.draw(rect);
}
private Paint decodeGradient4(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[] {0.1f, 0.49999997f, 0.9f},
new Color[] {
(Color) componentColors[0],
decodeColor((Color) componentColors[0], (Color) componentColors[1], 0.5f),
(Color) componentColors[1]
});
}
@Override
public Rectangle2D.Double getDrawingArea() {
if (cachedDrawingArea == null) {
Rectangle2D rx = getBounds();
Rectangle2D.Double r =
(rx instanceof Rectangle2D.Double)
? (Rectangle2D.Double) rx
: new Rectangle2D.Double(rx.getX(), rx.getY(), rx.getWidth(), rx.getHeight());
double g = SVGAttributeKeys.getPerpendicularHitGrowth(this);
Geom.grow(r, g, g);
if (TRANSFORM.get(this) == null) {
cachedDrawingArea = r;
} else {
cachedDrawingArea = new Rectangle2D.Double();
cachedDrawingArea.setRect(TRANSFORM.get(this).createTransformedShape(r).getBounds2D());
}
}
return (Rectangle2D.Double) cachedDrawingArea.clone();
}
private Paint decodeGradient12(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(
(0.25f * w) + x,
(0.0f * h) + y,
(0.25441176f * w) + x,
(1.0016667f * h) + y,
new float[] {0.0f, 0.26988637f, 0.53977275f, 0.6082097f, 0.6766467f, 0.83832335f, 1.0f},
new Color[] {
color3,
decodeColor(color3, color59, 0.5f),
color59,
decodeColor(color59, color60, 0.5f),
color60,
decodeColor(color60, color2, 0.5f),
color2
});
}
private Paint decodeGradient9(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(
(0.25f * w) + x,
(0.0f * h) + y,
(0.25441176f * w) + x,
(1.0016667f * h) + y,
new float[] {0.0f, 0.26988637f, 0.53977275f, 0.5951705f, 0.6505682f, 0.8252841f, 1.0f},
new Color[] {
color37,
decodeColor(color37, color38, 0.5f),
color38,
decodeColor(color38, color39, 0.5f),
color39,
decodeColor(color39, color18, 0.5f),
color18
});
}
private Paint decodeGradient16(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(
(0.25f * w) + x,
(0.0f * h) + y,
(0.25441176f * w) + x,
(1.0016667f * h) + y,
new float[] {0.0f, 0.26988637f, 0.53977275f, 0.6291678f, 0.7185629f, 0.8592814f, 1.0f},
new Color[] {
color50,
decodeColor(color50, color52, 0.5f),
color52,
decodeColor(color52, color52, 0.5f),
color52,
decodeColor(color52, color53, 0.5f),
color53
});
}
private Paint decodeGradient15(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(
(0.25f * w) + x,
(0.0f * h) + y,
(0.25441176f * w) + x,
(1.0016667f * h) + y,
new float[] {0.0f, 0.26988637f, 0.53977275f, 0.66659296f, 0.79341316f, 0.8967066f, 1.0f},
new Color[] {
color37,
decodeColor(color37, color38, 0.5f),
color38,
decodeColor(color38, color39, 0.5f),
color39,
decodeColor(color39, color70, 0.5f),
color70
});
}
/** Gets the drawing area without taking the decorator into account. */
@Override
protected Rectangle2D.Double getFigureDrawingArea() {
if (getText() == null) {
return getBounds();
} else {
TextLayout layout = getTextLayout();
Rectangle2D.Double r =
new Rectangle2D.Double(origin.x, origin.y, layout.getAdvance(), layout.getAscent());
Rectangle2D lBounds = layout.getBounds();
if (!lBounds.isEmpty() && !Double.isNaN(lBounds.getX())) {
r.add(
new Rectangle2D.Double(
lBounds.getX() + origin.x,
(lBounds.getY() + origin.y + layout.getAscent()),
lBounds.getWidth(),
lBounds.getHeight()));
}
// grow by two pixels to take antialiasing into account
Geom.grow(r, 2d, 2d);
return r;
}
}
public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
String message = "Hello, World!";
Font f = new Font("Serif", Font.BOLD, 36);
g2.setFont(f);
// measure the size of the message
FontRenderContext context = g2.getFontRenderContext();
Rectangle2D bounds = f.getStringBounds(message, context);
// set (x,y) = top left corner of text
double x = (getWidth() - bounds.getWidth()) / 2;
double y = (getHeight() - bounds.getHeight()) / 2;
// add ascent to y to reach the baseline
double ascent = -bounds.getY();
double baseY = y + ascent;
// draw the message
g2.drawString(message, (int) x, (int) baseY);
g2.setPaint(Color.LIGHT_GRAY);
// draw the baseline
g2.draw(new Line2D.Double(x, baseY, x + bounds.getWidth(), baseY));
// draw the enclosing rectangle
Rectangle2D rect = new Rectangle2D.Double(x, y, bounds.getWidth(), bounds.getHeight());
g2.draw(rect);
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
Graphics2D g2 = (Graphics2D) g.create();
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2.translate(x, y);
g2.setStroke(new BasicStroke(BORDER_WIDTH));
g2.setPaint(LINE_COLOR);
g2.draw(BORDER);
g2.setStroke(new BasicStroke(SLIT_WIDTH));
g2.setColor(UIManager.getColor("Panel.background"));
int n = SLIT_NUM + 1;
int v = ICON_SIZE / n;
int m = n * v;
for (int i = 1; i < n; i++) {
int a = i * v;
g2.drawLine(a, 0, a, m);
g2.drawLine(0, a, m, a);
}
// g2.drawLine(1 * v, 0 * v, 1 * v, 4 * v);
// g2.drawLine(2 * v, 0 * v, 2 * v, 4 * v);
// g2.drawLine(3 * v, 0 * v, 3 * v, 4 * v);
// g2.drawLine(0 * v, 1 * v, 4 * v, 1 * v);
// g2.drawLine(0 * v, 2 * v, 4 * v, 2 * v);
// g2.drawLine(0 * v, 3 * v, 4 * v, 3 * v);
g2.setPaint(LINE_COLOR);
Rectangle2D b = ARROW.getBounds();
Point2D p = new Point2D.Double(b.getX() + b.getWidth() / 2d, b.getY() + b.getHeight() / 2d);
AffineTransform toCenterAT =
AffineTransform.getTranslateInstance(ICON_SIZE / 2d - p.getX(), ICON_SIZE / 2d - p.getY());
g2.fill(toCenterAT.createTransformedShape(ARROW));
g2.dispose();
}