/**
* Sets the selected color of this panel.
*
* <p>If this panel is in RED, GREEN, or BLUE mode, then this method converts these values to RGB
* coordinates and calls <code>setRGB</code>.
*
* <p>This method may regenerate the graphic if necessary.
*
* @param h the hue value of the selected color.
* @param s the saturation value of the selected color.
* @param b the brightness value of the selected color.
*/
public void setHSB(float h, float s, float b) {
if (Float.isInfinite(h) || Float.isNaN(h))
throw new IllegalArgumentException("The hue value (" + h + ") is not a valid number.");
// hue is cyclic, so it can be any value:
while (h < 0) h++;
while (h > 1) h--;
if (s < 0 || s > 1)
throw new IllegalArgumentException("The saturation value (" + s + ") must be between [0,1]");
if (b < 0 || b > 1)
throw new IllegalArgumentException("The brightness value (" + b + ") must be between [0,1]");
if (hue != h || sat != s || bri != b) {
if (mode == ColorPicker.HUE || mode == ColorPicker.BRI || mode == ColorPicker.SAT) {
float lastHue = hue;
float lastBri = bri;
float lastSat = sat;
hue = h;
sat = s;
bri = b;
if (mode == ColorPicker.HUE) {
if (lastHue != hue) {
regenerateImage();
}
} else if (mode == ColorPicker.SAT) {
if (lastSat != sat) {
regenerateImage();
}
} else if (mode == ColorPicker.BRI) {
if (lastBri != bri) {
regenerateImage();
}
}
} else {
Color c = new Color(Color.HSBtoRGB(h, s, b));
setRGB(c.getRed(), c.getGreen(), c.getBlue());
return;
}
Color c = new Color(Color.HSBtoRGB(hue, sat, bri));
red = c.getRed();
green = c.getGreen();
blue = c.getBlue();
regeneratePoint();
repaint();
fireChangeListeners();
}
}
