/// <summary> /// When this state is sent to the bridge, sets the light's color using a common <see cref="Color" /> object. /// </summary> /// <returns>This LightStateBuilder instance, for method chaining.</returns> public LightStateBuilder Color(Color c) { HSBColor hsb = new HSBColor(c); AddOrUpdateProperty("hue", (ushort)Math.Round(hsb.H * 256)); AddOrUpdateProperty("sat", (byte)Math.Round(hsb.S)); AddOrUpdateProperty("bri", (byte)Math.Round(hsb.B)); return this; }
public static HSBColor FromColor(Color color) { HSBColor ret = new HSBColor(0f, 0f, 0f); ret.a = color.A; float r = color.R; float g = color.G; float b = color.B; float max = Math.Max(r, Math.Max(g, b)); if (max <= 0) { return ret; } float min = Math.Min(r, Math.Min(g, b)); float dif = max - min; if (max > min) { if (g == max) { ret.h = (b - r) / dif * 60f + 120f; } else if (b == max) { ret.h = (r - g) / dif * 60f + 240f; } else if (b > g) { ret.h = (g - b) / dif * 60f + 360f; } else { ret.h = (g - b) / dif * 60f; } if (ret.h < 0) { ret.h = ret.h + 360f; } } else { ret.h = 0; } ret.h *= 255f / 360f; ret.s = (dif / max) * 255f; ret.b = max; return ret; }
public static Color FromHSB(HSBColor hsbColor) { float r = hsbColor.b; float g = hsbColor.b; float b = hsbColor.b; if (hsbColor.s != 0) { float max = hsbColor.b; float dif = hsbColor.b * hsbColor.s / 255f; float min = hsbColor.b - dif; float h = hsbColor.h * 360f / 255f; if (h < 60f) { r = max; g = h * dif / 60f + min; b = min; } else if (h < 120f) { r = -(h - 120f) * dif / 60f + min; g = max; b = min; } else if (h < 180f) { r = min; g = max; b = (h - 120f) * dif / 60f + min; } else if (h < 240f) { r = min; g = -(h - 240f) * dif / 60f + min; b = max; } else if (h < 300f) { r = (h - 240f) * dif / 60f + min; g = min; b = max; } else if (h <= 360f) { r = max; g = min; b = -(h - 360f) * dif / 60 + min; } else { r = 0; g = 0; b = 0; } } return(Color.FromArgb ( hsbColor.a, (int)Math.Round(Math.Min(Math.Max(r, 0), 255)), (int)Math.Round(Math.Min(Math.Max(g, 0), 255)), (int)Math.Round(Math.Min(Math.Max(b, 0), 255)) )); }
public static Color FromHSB(HSBColor hsbColor) { float r = hsbColor.b; float g = hsbColor.b; float b = hsbColor.b; if (hsbColor.s != 0) { float max = hsbColor.b; float dif = hsbColor.b * hsbColor.s / 255f; float min = hsbColor.b - dif; float h = hsbColor.h * 360f / 255f; if (h < 60f) { r = max; g = h * dif / 60f + min; b = min; } else if (h < 120f) { r = -(h - 120f) * dif / 60f + min; g = max; b = min; } else if (h < 180f) { r = min; g = max; b = (h - 120f) * dif / 60f + min; } else if (h < 240f) { r = min; g = -(h - 240f) * dif / 60f + min; b = max; } else if (h < 300f) { r = (h - 240f) * dif / 60f + min; g = min; b = max; } else if (h <= 360f) { r = max; g = min; b = -(h - 360f) * dif / 60 + min; } else { r = 0; g = 0; b = 0; } } return Color.FromArgb ( hsbColor.a, (int)Math.Round(Math.Min(Math.Max(r, 0), 255)), (int)Math.Round(Math.Min(Math.Max(g, 0), 255)), (int)Math.Round(Math.Min(Math.Max(b, 0), 255)) ); }