public static Color ShiftSaturation(Color c, float saturationDelta)
{
ColorHSB hsb = ColorHSB.FromColor(c);
hsb.s += saturationDelta;
hsb.s = Math.Min(Math.Max(hsb.s, 0), 255);
return(FromHSB(hsb));
}
public static Color ShiftBrighness(Color c, float brightnessDelta)
{
ColorHSB hsb = ColorHSB.FromColor(c);
hsb.b += brightnessDelta;
hsb.b = Math.Min(Math.Max(hsb.b, 0), 255);
return(FromHSB(hsb));
}
public static Color ShiftHue(Color c, float hueDelta)
{
ColorHSB hsb = ColorHSB.FromColor(c);
hsb.h += hueDelta;
hsb.h = Math.Min(Math.Max(hsb.h, 0), 360);
return(FromHSB(hsb));
}
public ColorHSB(Color color)
{
ColorHSB temp = FromColor(color);
this.a = temp.a;
this.h = temp.h;
this.s = temp.s;
this.b = temp.b;
}
public static ColorHSB FromColor(Color color)
{
ColorHSB ret = new ColorHSB(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);
}
private void b_WinPick_Click(object sender, EventArgs e)
{
ColorDialog cd = new ColorDialog();
cd.FullOpen = true; cd.ShowDialog();
if (cd.Color == null)
{
return;
}
cTwo = new ColorHSB(cd.Color);
RefreshControls(true, true, true);
}
private void SetFromSliders()
{
float fh = a_Set_Hue.Value;
float fs = a_Set_Sat.Value;
float fv = a_Set_Bri.Value;
float fhd = a_Diff_Hue.Value;
float fsd = a_Diff_Sat.Value;
float fvd = a_Diff_Bri.Value;
cOne = new ColorHSB(fh, fs, fv);
cOneD = new ColorHSB(fhd, fsd, fvd);
float th = b_Set_Hue.Value;
float ts = b_Set_Sat.Value;
float tv = b_Set_Bri.Value;
float thd = b_Diff_Hue.Value;
float tsd = b_Diff_Sat.Value;
float tvd = b_Diff_Bri.Value;
cTwo = new ColorHSB(th, ts, tv);
cTwoD = new ColorHSB(thd, tsd, tvd);
RefreshControls(true, true, false);
}
public static Color FromHSB(ColorHSB 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;
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))));
}
private void cmdCancel_Click(object sender, EventArgs e)
{
cOne = null; cTwo = null;
cOneD = null; cTwoD = null;
this.Close();
}
private void SetManually(int iSauce, string sValues, bool bRGB, bool bHEX, bool bHSB)
{
if (bRGB)
{
try
{
string[] vals = sValues.Split(',');
if (vals.Length != 3)
{
throw new Exception();
}
int r = Convert.ToInt32(vals[0].Trim());
int g = Convert.ToInt32(vals[1].Trim());
int b = Convert.ToInt32(vals[2].Trim());
ColorHSB col = new ColorHSB(Color.FromArgb(r, g, b));
if (iSauce == 1)
{
cOne = col;
}
else
{
cTwo = col;
}
}
catch
{
MessageBox.Show("That is not a valid RGB colour!" + "\r\n\r\n" +
"Valid example: 96, 192, 255", "You are doing it wrong.",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
if (bHEX)
{
string val = sValues.Substring(1);
if (val.Length == 3)
{
try
{
int r = Convert.ToInt32(val[0].ToString(), 16) * 17;
int g = Convert.ToInt32(val[1].ToString(), 16) * 17;
int b = Convert.ToInt32(val[2].ToString(), 16) * 17;
ColorHSB col = new ColorHSB(Color.FromArgb(r, g, b));
if (iSauce == 1)
{
cOne = col;
}
else
{
cTwo = col;
}
}
catch
{
MessageBox.Show("That is not a valid 3-digit hexadecimal colour!" + "\r\n\r\n" +
"Valid example: #8ac" + "\r\n" + "Valid example: #1379AE",
"You are doing it wrong.", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
else if (val.Length == 6)
{
try
{
int r = Convert.ToInt32(val.Substring(0, 2), 16);
int g = Convert.ToInt32(val.Substring(2, 2), 16);
int b = Convert.ToInt32(val.Substring(4, 2), 16);
ColorHSB col = new ColorHSB(Color.FromArgb(r, g, b));
if (iSauce == 1)
{
cOne = col;
}
else
{
cTwo = col;
}
}
catch
{
MessageBox.Show("That is not a valid 6-digit hexadecimal colour!" + "\r\n\r\n" +
"Valid example: #8ac" + "\r\n" + "Valid example: #1379AE",
"You are doing it wrong.", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
else
{
MessageBox.Show("That is not a valid hexadecimal colour!" + "\r\n\r\n" +
"Valid example: #8ac" + "\r\n" + "Valid example: #1379AE",
"You are doing it wrong.", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
if (bHSB)
{
try
{
string[] vals = sValues.Split('.');
if (vals.Length != 3)
{
throw new Exception();
}
int h = Convert.ToInt32(vals[0].Trim());
int s = Convert.ToInt32(vals[1].Trim());
int b = Convert.ToInt32(vals[2].Trim());
ColorHSB col = new ColorHSB(h, s, b);
if (iSauce == 1)
{
cOne = col;
}
else
{
cTwo = col;
}
}
catch
{
MessageBox.Show("That is not a valid HSV colour!" + "\r\n\r\n" +
"Valid example: 320, 224, 128", "You are doing it wrong.",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
RefreshControls(true, true, true);
}
private void RefreshControls(bool bGUI, bool bManual, bool bSliders)
{
int fr = cOne.Color.R;
int fg = cOne.Color.G;
int fb = cOne.Color.B;
int fh = (int)Math.Round(cOne.H);
int fs = (int)Math.Round(cOne.S);
int fv = (int)Math.Round(cOne.B);
if (fh == 360)
{
fh = 0;
}
int fhd = (int)Math.Round(cOneD.H);
int fsd = (int)Math.Round(cOneD.S);
int fvd = (int)Math.Round(cOneD.B);
if (fhd == 360)
{
fhd = 0;
}
int tr = cTwo.Color.R;
int tg = cTwo.Color.G;
int tb = cTwo.Color.B;
int th = (int)Math.Round(cTwo.H);
int ts = (int)Math.Round(cTwo.S);
int tv = (int)Math.Round(cTwo.B);
if (th == 360)
{
th = 0;
}
int thd = (int)Math.Round(cTwoD.H);
int tsd = (int)Math.Round(cTwoD.S);
int tvd = (int)Math.Round(cTwoD.B);
if (thd == 360)
{
thd = 0;
}
if (bManual)
{
if (a_RGB.Checked)
{
a_ManValue.Text = fr.ToString("d") + ", " + fg.ToString("d") + ", " + fb.ToString("d");
}
if (a_HSB.Checked)
{
a_ManValue.Text = fh.ToString("d") + "." + fs.ToString("d") + "." + fv.ToString("d");
}
if (a_HEX.Checked)
{
a_ManValue.Text = "#" + fr.ToString("X2") + fg.ToString("X2") + fb.ToString("X2");
}
if (b_RGB.Checked)
{
b_ManValue.Text = tr.ToString("d") + ", " + tg.ToString("d") + ", " + tb.ToString("d");
}
if (b_HSB.Checked)
{
b_ManValue.Text = th.ToString("d") + "." + ts.ToString("d") + "." + tv.ToString("d");
}
if (b_HEX.Checked)
{
b_ManValue.Text = "#" + tr.ToString("X2") + tg.ToString("X2") + tb.ToString("X2");
}
}
if (bSliders)
{
a_Set_Hue.Value = fh;
a_Set_Sat.Value = fs;
a_Set_Bri.Value = fv;
a_Diff_Hue.Value = fhd;
a_Diff_Sat.Value = fsd;
a_Diff_Bri.Value = fvd;
b_Set_Hue.Value = th;
b_Set_Sat.Value = ts;
b_Set_Bri.Value = tv;
b_Diff_Hue.Value = thd;
b_Diff_Sat.Value = tsd;
b_Diff_Bri.Value = tvd;
}
if (bGUI)
{
ColorHSB cMinA = new ColorHSB(cOne.H - fhd, cOne.S - fsd, cOne.B - fvd);
ColorHSB cMaxA = new ColorHSB(cOne.H + fhd, cOne.S + fsd, cOne.B + fvd);
a_Min.BackColor = cMinA.Color;
a_Avg.BackColor = cOne.Color;
a_Max.BackColor = cMaxA.Color;
ColorHSB cMinB = new ColorHSB(cTwo.H - thd, cTwo.S - tsd, cTwo.B - tvd);
ColorHSB cMaxB = new ColorHSB(cTwo.H + thd, cTwo.S + tsd, cTwo.B + tvd);
b_Min.BackColor = cMinB.Color;
b_Avg.BackColor = cTwo.Color;
b_Max.BackColor = cMaxB.Color;
}
}