public static DoubleColor AlterHue(
this DoubleColor c,
ColorWheelBase wheel,
double hue
)
{
AHSB src = c.ToAHSB();
AHSB dest = wheel.GetColor(hue).ToAHSB();
dest.Saturation = src.Saturation;
dest.Brightness = src.Brightness;
dest.Alpha = src.Alpha;
return(dest.Double());
}
public void UpdateBaseAngle(
double value
)
{
double hue = value;
double comp = 0.0;
double hue1 = 0.0;
double hue2 = 0.0;
double hue3 = 0.0;
if (m_wheel != null)
{
value = m_wheel.FixAngle(value);
hue = m_wheel.GetColor(value).ToAHSB().HueDegree;
}
switch (m_schema)
{
case PaletteSchemaType.Monochromatic:
for (int i = 0; i < m_colors.Count; ++i)
{
AHSB hsb = m_colors[i].Color;
hsb.HueDegree = hue;
m_colors[i].Color = hsb;
}
break;
case PaletteSchemaType.Complementary:
case PaletteSchemaType.Analogous:
for (int i = 0; i < m_colors.Count; ++i)
{
AHSB hsb = m_colors[i].Color;
hsb.HueDegree = m_colors[i].VectorIndex == 0 ?
hue :
m_wheel.GetColor(value + m_angle).ToAHSB().HueDegree;
m_colors[i].Color = hsb;
}
break;
case PaletteSchemaType.SplitComplementary:
comp = 180;
goto case PaletteSchemaType.SplitAnalogous;
case PaletteSchemaType.Triad:
case PaletteSchemaType.SplitAnalogous:
if (m_wheel != null)
{
hue1 = m_wheel.GetColor(value + comp + m_angle).ToAHSB().HueDegree;
hue2 = m_wheel.GetColor(value + comp - m_angle).ToAHSB().HueDegree;
}
for (int i = 0; i < m_colors.Count; ++i)
{
AHSB hsb = m_colors[i].Color;
int idx = m_colors[i].VectorIndex;
hsb.HueDegree = idx % 3 == 0 ? hue : (idx % 3 == 1 ? hue1 : hue2);
m_colors[i].Color = hsb;
}
break;
case PaletteSchemaType.Quadrants:
hue1 = m_wheel.GetColor(value + 90).ToAHSB().HueDegree;
hue2 = m_wheel.GetColor(value + 180).ToAHSB().HueDegree;
hue3 = m_wheel.GetColor(value + 270).ToAHSB().HueDegree;
for (int i = 0; i < m_colors.Count; ++i)
{
AHSB hsb = m_colors[i].Color;
int idx = m_colors[i].VectorIndex;
hsb.HueDegree = idx % 4 == 0 ? hue : (idx % 4 == 1 ? hue1 : (idx % 4 == 2 ? hue2 : hue3));
m_colors[i].Color = hsb;
}
break;
case PaletteSchemaType.Tetrads:
hue1 = m_wheel.GetColor(value + m_angle).ToAHSB().HueDegree;
hue2 = m_wheel.GetColor(value + 180).ToAHSB().HueDegree;
hue3 = m_wheel.GetColor(value + 180.0 + m_angle).ToAHSB().HueDegree;
for (int i = 0; i < m_colors.Count; ++i)
{
AHSB hsb = m_colors[i].Color;
int idx = m_colors[i].VectorIndex;
hsb.HueDegree = idx % 4 == 0 ? hue : (idx % 4 == 1 ? hue1 : (idx % 4 == 2 ? hue2 : hue3));
m_colors[i].Color = hsb;
}
break;
}
}