/**
* @param _h
* @param _s
* @param _b
* @param _a
*/
public void setHSB(float _h, float _s, float _b, float _a) {
_h = UFloat.range(_h, 0.0f, 1.0f);
_s = UFloat.range(_s, 0.0f, 1.0f);
_b = UFloat.range(_b, 0.0f, 1.0f);
AColor color = new AColor(_h, _s, _b);
color.setA(_a);
value.setValue(color);
}
@Override
public void paintBackground(ICanvas g, int _x, int _y, int _w, int _h) {
float _hue = h();
float _s = s();
float _b = b();
IImage _buffer = buffer;
if (compareValue == null || compareValue != value.getValue()) {
compareValue = value.getValue();
_buffer = VS.systemImage((int) _w, (int) _h, VS.c32BitARGB);
buffer = _buffer;
ICanvas bg = _buffer.canvas(g.who());
int x = _x + 0;
int y = _y + 15;
for (float s = 0.0f; s < 1.0f; s += 1.0f / w) {
for (float b = 1.0f; b > 0.0f; b -= 1.0f / h) {
bg.setColor(new AColor(AColor.HSBtoRGB(_hue, s, b)));
bg.line(x, y, x, y);
y++;
}
y = 15;
x++;
}
y = 1;
x = 0;
for (float hue = 0.0f; hue < 1.0f; hue += 1.0f / w) {
bg.setColor(new AColor(AColor.HSBtoRGB(hue, 1.0f, 1.0f)));
bg.rect(true, x, y, 10, 10);
x++;
}
bg.dispose();
}
if (_buffer != null) {
g.drawImage(_buffer, 0, 0, null);
g.setColor(new AColor(AColor.HSBtoRGB(_hue, 1 - _s, 1.0f)));
g.oval(false, (int) (w * _s) - 3, 15 + (int) ((h - 15) * (1 - _b)) - 3, 7, 7);
g.line((int) (w * _hue), 0, (int) (w * _hue), 10);
}
}
/** @return */
public float a() {
return ((AColor) value.getValue()).getAlpha();
}
/** @return */
public float b() {
return ((AColor) value.getValue()).getBrightness();
}
/** @return */
public float s() {
return ((AColor) value.getValue()).getSaturation();
}
/** @return */
public float h() {
return ((AColor) value.getValue()).getHue();
}