// Y = Hue 360 -> 0
protected override void DrawHue()
{
using (Graphics g = Graphics.FromImage(bmp))
{
HSB color = new HSB(0.0, 1.0, 1.0, SelectedColor.RGBA.Alpha);
for (int y = 0; y < height; y++)
{
color.Hue = 1.0 - (double)y / (height - 1);
using (Pen pen = new Pen(color))
{
g.DrawLine(pen, 0, y, width, y);
}
}
}
}
// Y = Saturation 100 -> 0
protected override void DrawSaturation()
{
using (Graphics g = Graphics.FromImage(bmp))
{
HSB color = new HSB(SelectedColor.HSB.Hue, 0.0, SelectedColor.HSB.Brightness, SelectedColor.RGBA.Alpha);
for (int y = 0; y < ClientHeight; y++)
{
color.Saturation = 1.0 - (double)y / (ClientHeight - 1);
using (Pen pen = new Pen(color))
{
g.DrawLine(pen, 0, y, ClientWidth, y);
}
}
}
}
// Y = Brightness 100 -> 0
protected override void DrawBrightness()
{
using (Graphics g = Graphics.FromImage(bmp))
{
HSB color = new HSB(SelectedColor.HSB.Hue, SelectedColor.HSB.Saturation, 0.0, SelectedColor.RGBA.Alpha);
for (int y = 0; y < ClientHeight; y++)
{
color.Brightness = 1.0 - (double)y / (ClientHeight - 1);
using (Pen pen = new Pen(color))
{
g.DrawLine(pen, 0, y, ClientWidth, y);
}
}
}
}
public static Color HSBToColor(HSB hsb)
{
int Mid;
int Max = (int)Math.Round(hsb.Brightness * 255);
int Min = (int)Math.Round((1.0 - hsb.Saturation) * (hsb.Brightness / 1.0) * 255);
double q = (double)(Max - Min) / 255;
if (hsb.Hue >= 0 && hsb.Hue <= (double)1 / 6)
{
Mid = (int)Math.Round(((hsb.Hue - 0) * q) * 1530 + Min);
return(Color.FromArgb(hsb.Alpha, Max, Mid, Min));
}
if (hsb.Hue <= (double)1 / 3)
{
Mid = (int)Math.Round(-((hsb.Hue - (double)1 / 6) * q) * 1530 + Max);
return(Color.FromArgb(hsb.Alpha, Mid, Max, Min));
}
if (hsb.Hue <= 0.5)
{
Mid = (int)Math.Round(((hsb.Hue - (double)1 / 3) * q) * 1530 + Min);
return(Color.FromArgb(hsb.Alpha, Min, Max, Mid));
}
if (hsb.Hue <= (double)2 / 3)
{
Mid = (int)Math.Round(-((hsb.Hue - 0.5) * q) * 1530 + Max);
return(Color.FromArgb(hsb.Alpha, Min, Mid, Max));
}
if (hsb.Hue <= (double)5 / 6)
{
Mid = (int)Math.Round(((hsb.Hue - (double)2 / 3) * q) * 1530 + Min);
return(Color.FromArgb(hsb.Alpha, Mid, Min, Max));
}
if (hsb.Hue <= 1.0)
{
Mid = (int)Math.Round(-((hsb.Hue - (double)5 / 6) * q) * 1530 + Max);
return(Color.FromArgb(hsb.Alpha, Max, Min, Mid));
}
return(Color.FromArgb(hsb.Alpha, 0, 0, 0));
}
// X = Hue 0 -> 360
// Y = Saturation 100 -> 0
protected override void DrawBrightness()
{
using (Graphics g = Graphics.FromImage(bmp))
{
HSB start = new HSB(0.0, 1.0, SelectedColor.HSB.Brightness, SelectedColor.RGBA.Alpha);
HSB end = new HSB(0.0, 0.0, SelectedColor.HSB.Brightness, SelectedColor.RGBA.Alpha);
for (int x = 0; x < ClientWidth; x++)
{
start.Hue = end.Hue = (double)x / (ClientHeight - 1);
using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, 1, ClientHeight), start, end, LinearGradientMode.Vertical))
{
g.FillRectangle(brush, new Rectangle(x, 0, 1, ClientHeight));
}
}
}
}
// X = Saturation 0 -> 100
// Y = Brightness 100 -> 0
protected override void DrawHue()
{
using (Graphics g = Graphics.FromImage(bmp))
{
HSB start = new HSB(SelectedColor.HSB.Hue, 0.0, 0.0, SelectedColor.RGBA.Alpha);
HSB end = new HSB(SelectedColor.HSB.Hue, 1.0, 0.0, SelectedColor.RGBA.Alpha);
for (int y = 0; y < ClientHeight; y++)
{
start.Brightness = end.Brightness = 1.0 - (double)y / (ClientHeight - 1);
using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, ClientWidth, 1), start, end, LinearGradientMode.Horizontal))
{
g.FillRectangle(brush, new Rectangle(0, y, ClientWidth, 1));
}
}
}
}
// X = Saturation 0 -> 100
// Y = Brightness 100 -> 0
protected override void DrawHue()
{
using (Graphics g = Graphics.FromImage(bmp))
{
HSB start = new HSB(SelectedColor.HSB.Hue, 0.0, 0.0, SelectedColor.RGBA.Alpha);
HSB end = new HSB(SelectedColor.HSB.Hue, 1.0, 0.0, SelectedColor.RGBA.Alpha);
for (int y = 0; y < ClientHeight; y++)
{
start.Brightness = end.Brightness = 1.0 - (double)y / (ClientHeight - 1);
using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, ClientWidth, 1), start, end, LinearGradientMode.Horizontal))
{
g.FillRectangle(brush, new Rectangle(0, y, ClientWidth, 1));
}
}
}
}
// X = Hue 0 -> 360
// Y = Saturation 100 -> 0
protected override void DrawBrightness()
{
using (Graphics g = Graphics.FromImage(bmp))
{
HSB start = new HSB(0.0, 1.0, SelectedColor.HSB.Brightness, SelectedColor.RGBA.Alpha);
HSB end = new HSB(0.0, 0.0, SelectedColor.HSB.Brightness, SelectedColor.RGBA.Alpha);
for (int x = 0; x < ClientWidth; x++)
{
start.Hue = end.Hue = (double)x / (ClientHeight - 1);
using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, 1, ClientHeight), start, end, LinearGradientMode.Vertical))
{
g.FillRectangle(brush, new Rectangle(x, 0, 1, ClientHeight));
}
}
}
}
public static HSB ColorToHSB(Color color)
{
HSB hsb = new HSB();
int Max, Min;
if (color.R > color.G)
{
Max = color.R;
Min = color.G;
}
else
{
Max = color.G;
Min = color.R;
}
if (color.B > Max) Max = color.B;
else if (color.B < Min) Min = color.B;
int Diff = Max - Min;
hsb.Brightness = (double)Max / 255;
if (Max == 0) hsb.Saturation = 0;
else hsb.Saturation = (double)Diff / Max;
double q;
if (Diff == 0) q = 0;
else q = (double)60 / Diff;
if (Max == color.R)
{
if (color.G < color.B) hsb.Hue = (360 + q * (color.G - color.B)) / 360;
else hsb.Hue = q * (color.G - color.B) / 360;
}
else if (Max == color.G) hsb.Hue = (120 + q * (color.B - color.R)) / 360;
else if (Max == color.B) hsb.Hue = (240 + q * (color.R - color.G)) / 360;
else hsb.Hue = 0.0;
hsb.Alpha = color.A;
return hsb;
}
public void CMYKUpdate()
{
RGBA = CMYK;
HSB = CMYK;
}
public static Color HSBToColor(HSB hsb)
{
int Mid;
int Max = (int)Math.Round(hsb.Brightness * 255);
int Min = (int)Math.Round((1.0 - hsb.Saturation) * (hsb.Brightness / 1.0) * 255);
double q = (double)(Max - Min) / 255;
if (hsb.Hue >= 0 && hsb.Hue <= (double)1 / 6)
{
Mid = (int)Math.Round(((hsb.Hue - 0) * q) * 1530 + Min);
return Color.FromArgb(hsb.Alpha, Max, Mid, Min);
}
if (hsb.Hue <= (double)1 / 3)
{
Mid = (int)Math.Round(-((hsb.Hue - (double)1 / 6) * q) * 1530 + Max);
return Color.FromArgb(hsb.Alpha, Mid, Max, Min);
}
if (hsb.Hue <= 0.5)
{
Mid = (int)Math.Round(((hsb.Hue - (double)1 / 3) * q) * 1530 + Min);
return Color.FromArgb(hsb.Alpha, Min, Max, Mid);
}
if (hsb.Hue <= (double)2 / 3)
{
Mid = (int)Math.Round(-((hsb.Hue - 0.5) * q) * 1530 + Max);
return Color.FromArgb(hsb.Alpha, Min, Mid, Max);
}
if (hsb.Hue <= (double)5 / 6)
{
Mid = (int)Math.Round(((hsb.Hue - (double)2 / 3) * q) * 1530 + Min);
return Color.FromArgb(hsb.Alpha, Mid, Min, Max);
}
if (hsb.Hue <= 1.0)
{
Mid = (int)Math.Round(-((hsb.Hue - (double)5 / 6) * q) * 1530 + Max);
return Color.FromArgb(hsb.Alpha, Max, Min, Mid);
}
return Color.FromArgb(hsb.Alpha, 0, 0, 0);
}
public static HSB ColorToHSB(Color color)
{
HSB hsb = new HSB();
int Max, Min;
if (color.R > color.G)
{
Max = color.R;
Min = color.G;
}
else
{
Max = color.G;
Min = color.R;
}
if (color.B > Max)
{
Max = color.B;
}
else if (color.B < Min)
{
Min = color.B;
}
int Diff = Max - Min;
hsb.Brightness = (double)Max / 255;
if (Max == 0)
{
hsb.Saturation = 0;
}
else
{
hsb.Saturation = (double)Diff / Max;
}
double q;
if (Diff == 0)
{
q = 0;
}
else
{
q = (double)60 / Diff;
}
if (Max == color.R)
{
if (color.G < color.B)
{
hsb.Hue = (360 + q * (color.G - color.B)) / 360;
}
else
{
hsb.Hue = q * (color.G - color.B) / 360;
}
}
else if (Max == color.G)
{
hsb.Hue = (120 + q * (color.B - color.R)) / 360;
}
else if (Max == color.B)
{
hsb.Hue = (240 + q * (color.R - color.G)) / 360;
}
else
{
hsb.Hue = 0.0;
}
hsb.Alpha = color.A;
return(hsb);
}
// Y = Hue 360 -> 0
protected override void DrawHue()
{
using (Graphics g = Graphics.FromImage(bmp))
{
HSB color = new HSB(0.0, 1.0, 1.0, SelectedColor.RGBA.Alpha);
for (int y = 0; y < height; y++)
{
color.Hue = 1.0 - (double)y / (height - 1);
using (Pen pen = new Pen(color))
{
g.DrawLine(pen, 0, y, width, y);
}
}
}
}
public void CMYKUpdate()
{
RGBA = CMYK;
HSB = CMYK;
}
public void RGBAUpdate()
{
HSB = RGBA;
CMYK = RGBA;
}
public MyColor(Color color)
{
RGBA = color;
HSB = color;
CMYK = color;
}
public void RGBAUpdate()
{
HSB = RGBA;
CMYK = RGBA;
}
public MyColor(Color color)
{
RGBA = color;
HSB = color;
CMYK = color;
}