/**
* Draws the needle.
*
* @param g2 the graphics device.
* @param plotArea the plot area.
* @param rotate the rotation point.
* @param angle the angle.
*/
protected void drawNeedle(Graphics2D g2, Rectangle2D plotArea,
Point2D rotate, double angle) {
Arc2D shape = new Arc2D.Double(Arc2D.PIE);
double radius = plotArea.getHeight();
double halfX = plotArea.getWidth() / 2;
double diameter = 2 * radius;
shape.setFrame(plotArea.getMinX() + halfX - radius ,
plotArea.getMinY() - radius,
diameter, diameter);
radius = Math.toDegrees(Math.asin(halfX / radius));
shape.setAngleStart(270 - radius);
shape.setAngleExtent(2 * radius);
Area s = new Area(shape);
if ((rotate != null) && (angle != 0)) {
/// we have rotation houston, please spin me
getTransform().setToRotation(angle, rotate.getX(), rotate.getY());
s.transform(getTransform());
}
defaultDisplay(g2, s);
}
@Override
public void paintComponent(Graphics g) {
if (slices != null && !slices.isEmpty()) {
Arc2D arc2D = null;
double start = 0;
int size = Math.min(getWidth(), getHeight()) - 10;
int x = getWidth() / 2 - size / 2;
int y = getHeight() / 2 - size / 2;
if (g instanceof Graphics2D) {
arc2D = new Arc2D.Double(Arc2D.PIE);
arc2D.setFrame(x, y, size, size);
((Graphics2D) g)
.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
}
for (PieSlice slice : slices) {
double arc = (slice.cost / total) * 360.0;
if (g instanceof Graphics2D) {
arc2D.setAngleStart(start);
arc2D.setAngleExtent(arc);
Color c = ScenarioColorPalette.getColor(slice.toString());
g.setColor(slice.equals(highlighted) ? c.brighter() : c);
((Graphics2D) g).fill(arc2D);
g.setColor(Color.BLACK);
((Graphics2D) g).draw(arc2D);
} else {
g.setColor(ScenarioColorPalette.getColor(slice.toString()));
g.fillArc(x, y, size, size, (int) start, (int) arc);
g.setColor(Color.BLACK);
g.drawArc(x, y, size, size, (int) start, (int) arc);
}
start += arc;
}
g.setColor(ScenarioColorPalette.getColor("Untagged"));
g.fillArc(x, y, size, size, (int) start, (int) (360.0 - start));
}
}
/**
* Returns the bargraph track image with the given with and height.
*
* @param WIDTH
* @param START_ANGLE
* @param ANGLE_EXTEND
* @param APEX_ANGLE
* @param BARGRAPH_OFFSET
* @param image
* @return buffered image containing the bargraph track image
*/
protected BufferedImage create_BARGRAPH_TRACK_Image(
final int WIDTH,
final double START_ANGLE,
final double ANGLE_EXTEND,
final double APEX_ANGLE,
final double BARGRAPH_OFFSET,
BufferedImage image) {
if (WIDTH <= 0) {
return null;
}
if (image == null) {
image = UTIL.createImage(WIDTH, WIDTH, Transparency.TRANSLUCENT);
}
final Graphics2D G2 = image.createGraphics();
G2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
// G2.setRenderingHint(RenderingHints.KEY_RENDERING,
// RenderingHints.VALUE_RENDER_QUALITY);
// G2.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
// G2.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
// RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
// G2.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING,
// RenderingHints.VALUE_COLOR_RENDER_QUALITY);
// G2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
// RenderingHints.VALUE_STROKE_NORMALIZE);
final int IMAGE_WIDTH = image.getWidth();
final int IMAGE_HEIGHT = image.getHeight();
// Create led track
final java.awt.geom.Arc2D BACK = new java.awt.geom.Arc2D.Double(java.awt.geom.Arc2D.PIE);
BACK.setFrame(
IMAGE_WIDTH * 0.1074766355,
IMAGE_HEIGHT * 0.1074766355,
IMAGE_WIDTH * 0.785046729,
IMAGE_HEIGHT * 0.785046729);
BACK.setAngleStart(START_ANGLE + 2);
BACK.setAngleExtent(ANGLE_EXTEND - 5);
final Ellipse2D BACK_SUB =
new Ellipse2D.Double(
IMAGE_WIDTH * 0.1822429907,
IMAGE_HEIGHT * 0.1822429907,
IMAGE_WIDTH * 0.6355140187,
IMAGE_HEIGHT * 0.6355140187);
final java.awt.geom.Area LED_TRACK_FRAME = new java.awt.geom.Area(BACK);
LED_TRACK_FRAME.subtract(new java.awt.geom.Area(BACK_SUB));
final Point2D LED_TRACK_FRAME_START =
new Point2D.Double(0, LED_TRACK_FRAME.getBounds2D().getMinY());
final Point2D LED_TRACK_FRAME_STOP =
new Point2D.Double(0, LED_TRACK_FRAME.getBounds2D().getMaxY());
final float[] LED_TRACK_FRAME_FRACTIONS = {0.0f, 0.22f, 0.76f, 1.0f};
final Color[] LED_TRACK_FRAME_COLORS = {
new Color(0, 0, 0, 255),
new Color(51, 51, 51, 255),
new Color(51, 51, 51, 255),
new Color(100, 100, 100, 255)
};
final LinearGradientPaint LED_TRACK_FRAME_GRADIENT =
new LinearGradientPaint(
LED_TRACK_FRAME_START,
LED_TRACK_FRAME_STOP,
LED_TRACK_FRAME_FRACTIONS,
LED_TRACK_FRAME_COLORS);
G2.setPaint(LED_TRACK_FRAME_GRADIENT);
G2.fill(LED_TRACK_FRAME);
final java.awt.geom.Arc2D FRONT = new java.awt.geom.Arc2D.Double(java.awt.geom.Arc2D.PIE);
FRONT.setFrame(
IMAGE_WIDTH * 0.1121495327,
IMAGE_HEIGHT * 0.1121495327,
IMAGE_WIDTH * 0.7803738318,
IMAGE_HEIGHT * 0.7803738318);
FRONT.setAngleStart(START_ANGLE);
FRONT.setAngleExtent(ANGLE_EXTEND);
final Ellipse2D FRONT_SUB =
new Ellipse2D.Double(
IMAGE_WIDTH * 0.1822429907,
IMAGE_HEIGHT * 0.1822429907,
IMAGE_WIDTH * 0.6448598131,
IMAGE_HEIGHT * 0.6448598131);
final java.awt.geom.Area LED_TRACK_MAIN = new java.awt.geom.Area(BACK);
LED_TRACK_MAIN.subtract(new java.awt.geom.Area(FRONT_SUB));
final Point2D LED_TRACK_MAIN_START =
new Point2D.Double(0, LED_TRACK_MAIN.getBounds2D().getMinY());
final Point2D LED_TRACK_MAIN_STOP =
new Point2D.Double(0, LED_TRACK_MAIN.getBounds2D().getMaxY());
final float[] LED_TRACK_MAIN_FRACTIONS = {0.0f, 1.0f};
final Color[] LED_TRACK_MAIN_COLORS = {new Color(17, 17, 17, 255), new Color(51, 51, 51, 255)};
final LinearGradientPaint LED_TRACK_MAIN_GRADIENT =
new LinearGradientPaint(
LED_TRACK_MAIN_START,
LED_TRACK_MAIN_STOP,
LED_TRACK_MAIN_FRACTIONS,
LED_TRACK_MAIN_COLORS);
G2.setPaint(LED_TRACK_MAIN_GRADIENT);
G2.fill(LED_TRACK_MAIN);
// Draw the inactive leds
final Point2D CENTER = new Point2D.Double(WIDTH / 2.0, WIDTH / 2.0);
final Rectangle2D LED =
new Rectangle2D.Double(
WIDTH * 0.1168224299,
WIDTH * 0.4859813084,
WIDTH * 0.06074766355140187,
WIDTH * 0.023364486);
final Point2D LED_CENTER = new Point2D.Double(LED.getCenterX(), LED.getCenterY());
final Color[] LED_COLORS = new Color[] {new Color(60, 60, 60, 255), new Color(50, 50, 50, 255)};
final RadialGradientPaint LED_GRADIENT =
new RadialGradientPaint(
LED_CENTER, (float) (0.030373831775700934 * IMAGE_WIDTH), LED_FRACTIONS, LED_COLORS);
G2.setPaint(LED_GRADIENT);
final AffineTransform OLD_TRANSFORM = G2.getTransform();
for (double angle = 0; angle <= APEX_ANGLE; angle += 5.0) {
G2.rotate(Math.toRadians(angle + BARGRAPH_OFFSET), CENTER.getX(), CENTER.getY());
G2.fill(LED);
G2.setTransform(OLD_TRANSFORM);
}
G2.dispose();
return image;
}