private void floatTrackbarControlLuminance_ValueChanged(FloatTrackbarControl _Sender, float _fFormerValue)
{
float3 HSL = AdobeColors.RGB2HSB((float3)m_RGB);
HSL.z = _Sender.Value;
RGB = AdobeColors.HSB2RGB(HSL);
}
protected void UpdateTextBoxes()
{
float3 HSL = AdobeColors.RGB2HSB((float3)m_RGB);
floatTrackbarControlHue.Value = HSL.x * 360.0f;
floatTrackbarControlSaturation.Value = HSL.y;
floatTrackbarControlLuminance.Value = HSL.z;
floatTrackbarControlRed.Value = m_RGB.x;
floatTrackbarControlGreen.Value = m_RGB.y;
floatTrackbarControlBlue.Value = m_RGB.z;
floatTrackbarControlAlpha.Value = m_RGB.w;
// Update RGB gradients
Color LDR = ColorLDR;
floatTrackbarControlRed.ColorMin = Color.FromArgb(0, LDR.G, LDR.B);
floatTrackbarControlRed.ColorMax = Color.FromArgb(LDR.R, LDR.G, LDR.B);
floatTrackbarControlGreen.ColorMin = Color.FromArgb(LDR.R, 0, LDR.B);
floatTrackbarControlGreen.ColorMax = Color.FromArgb(LDR.R, LDR.G, LDR.B);
floatTrackbarControlBlue.ColorMin = Color.FromArgb(LDR.R, LDR.G, 0);
floatTrackbarControlBlue.ColorMax = Color.FromArgb(LDR.R, LDR.G, LDR.B);
floatTrackbarControlAlpha.ColorMin = Color.FromArgb(128, 0, 0, 0);
floatTrackbarControlAlpha.ColorMax = Color.FromArgb(128 + LDR.A / 2, LDR.A, LDR.A, LDR.A);
// Update hexa LDR value
WriteHexData(m_RGB);
}
protected void sliderControlHSL_Scroll(object sender, System.EventArgs e)
{
m_dontRefresh = DONT_REFRESH.COLOR_SLIDER;
RGB = AdobeColors.HSB2RGB(sliderControlHSL.HSL);
// Handle special cases where saturation is 0 (shades of gray) and it's not possible to devise a hue
// Simply use the hue dictated by the color slider...
if (sliderControlHSL.HSL.y < 1e-4f)
{
float3 TempHSL = AdobeColors.RGB2HSB((float3)m_RGB);
TempHSL.x = sliderControlHSL.HSL.x;
colorBoxControl.HSL = TempHSL;
}
}
/// <summary>
/// Returns the graphed color at the x,y position on the control
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
protected float3 GetColor(int x, int y)
{
float InvWidth = 1.0f / (Width - 4);
float InvHeight = 1.0f / (Height - 4);
float3 Result = float3.One;
float3 HSL = this.HSL;
switch (m_DrawStyle)
{
case ColorPickerForm.DRAW_STYLE.Hue:
Result.x = HSL.x;
Result.y = x * InvWidth;
Result.z = 1.0f - y * InvHeight;
break;
case ColorPickerForm.DRAW_STYLE.Saturation:
Result.y = HSL.y;
Result.x = x * InvWidth;
Result.z = 1.0f - y * InvHeight;
break;
case ColorPickerForm.DRAW_STYLE.Brightness:
Result.z = HSL.z;
Result.x = x * InvWidth;
Result.y = 1.0f - y * InvHeight;
break;
case ColorPickerForm.DRAW_STYLE.Red:
Result = AdobeColors.RGB2HSB(new float3(m_RGB.x, 1.0f - y * InvHeight, x * InvWidth));
break;
case ColorPickerForm.DRAW_STYLE.Green:
Result = AdobeColors.RGB2HSB(new float3(1.0f - y * InvHeight, m_RGB.y, x * InvWidth));
break;
case ColorPickerForm.DRAW_STYLE.Blue:
Result = AdobeColors.RGB2HSB(new float3(x * InvWidth, 1.0f - y * InvHeight, m_RGB.z));
break;
}
return(Result);
}