private void UpdateImage()
{
double hue = hueValue;
double saturation = 0f;
double value = 1f;
var imageWidth = image.Width;
var imageHeight = image.Height;
for (int i = 0; i < imageWidth; i++)
{
saturation = (float)i / imageWidth;
for (int k = 0; k < imageHeight; k++)
{
value = (float)k / imageHeight;
// HSL to RGB convertion.
Color pixelColor = ColorTranslatorEx.FromHSV(hue * 359, saturation, value);
image.SetPixel(i, k, pixelColor);
}
}
image.Apply();
}
private void UpdateControlsFromRGB()
{
Color rgbColor = Color.FromArgb(Convert.ToInt32(rNumeric.Value), Convert.ToInt32(gNumeric.Value), Convert.ToInt32(bNumeric.Value));
double hue;
double saturation;
double value;
ColorTranslatorEx.ToHSV(rgbColor, out hue, out saturation, out value);
hue /= 359;
huePicker.HueChanged -= huePicker_HueChanged;
huePicker.Hue = hue;
huePicker.HueChanged += huePicker_HueChanged;
vsPicker.SetHue(hue);
vsPicker.ValueChanged -= VsPickerValueChanged;
vsPicker.Value = (float)value;
vsPicker.ValueChanged += VsPickerValueChanged;
vsPicker.SaturationChanged -= VsPickerSaturationChanged;
vsPicker.Saturation = (float)saturation;
vsPicker.SaturationChanged += VsPickerSaturationChanged;
hueNumeric.ValueChanged -= HueNumericValueChanged;
hueNumeric.Value = Convert.ToInt32(hue * 359);
hueNumeric.ValueChanged += HueNumericValueChanged;
saturationNumeric.ValueChanged -= SaturationNumericValueChanged;
saturationNumeric.Value = Convert.ToInt32(saturation * 255);
saturationNumeric.ValueChanged += SaturationNumericValueChanged;
valueNumeric.ValueChanged -= ValueNumericValueChanged;
valueNumeric.Value = Convert.ToInt32(value * 255);
valueNumeric.ValueChanged += ValueNumericValueChanged;
rNumeric.ValueChanged -= rNumeric_ValueChanged;
rNumeric.Value = rgbColor.R;
rNumeric.ValueChanged += rNumeric_ValueChanged;
gNumeric.ValueChanged -= gNumeric_ValueChanged;
gNumeric.Value = rgbColor.G;
gNumeric.ValueChanged += gNumeric_ValueChanged;
bNumeric.ValueChanged -= bNumeric_ValueChanged;
bNumeric.Value = rgbColor.B;
bNumeric.ValueChanged += bNumeric_ValueChanged;
color = Color.FromArgb((int)(alphaPicker.Alpha * 255), rgbColor);
OnColorChanged(EventArgs.Empty);
}
private void VsPickerSaturationChanged(object sender, EventArgs e)
{
saturationNumeric.ValueChanged -= SaturationNumericValueChanged;
saturationNumeric.Value = (int)(vsPicker.Saturation * 255);
saturationNumeric.ValueChanged += SaturationNumericValueChanged;
Color rgbColor = ColorTranslatorEx.FromHSV(huePicker.Hue * 359, vsPicker.Saturation, vsPicker.Value);
rNumeric.ValueChanged -= rNumeric_ValueChanged;
rNumeric.Value = rgbColor.R;
rNumeric.ValueChanged += rNumeric_ValueChanged;
gNumeric.ValueChanged -= gNumeric_ValueChanged;
gNumeric.Value = rgbColor.G;
gNumeric.ValueChanged += gNumeric_ValueChanged;
bNumeric.ValueChanged -= bNumeric_ValueChanged;
bNumeric.Value = rgbColor.B;
bNumeric.ValueChanged += bNumeric_ValueChanged;
color = Color.FromArgb((int)(alphaPicker.Alpha * 255), rgbColor);
ColorChanged(this, null);
}
private void VsPickerValueChanged(object sender, EventArgs e)
{
valueNumeric.ValueChanged -= ValueNumericValueChanged;
valueNumeric.Value = (int)(vsPicker.Value * 255);
valueNumeric.ValueChanged += ValueNumericValueChanged;
Color rgbColor = ColorTranslatorEx.FromHSV(huePicker.Hue * 359, vsPicker.Saturation, vsPicker.Value);
rNumeric.ValueChanged -= rNumeric_ValueChanged;
rNumeric.Value = rgbColor.R;
rNumeric.ValueChanged += rNumeric_ValueChanged;
gNumeric.ValueChanged -= gNumeric_ValueChanged;
gNumeric.Value = rgbColor.G;
gNumeric.ValueChanged += gNumeric_ValueChanged;
bNumeric.ValueChanged -= bNumeric_ValueChanged;
bNumeric.Value = rgbColor.B;
bNumeric.ValueChanged += bNumeric_ValueChanged;
color = Color.FromArgb((int)(alphaPicker.Alpha * 255), rgbColor);
OnColorChanged(EventArgs.Empty);
}
private void UpdateImage()
{
double hue = 0f;
double saturation = .9f;
double luminosity = .5f;
var imageWidth = image.Width;
var imageHeight = image.Height;
for (int i = 0; i < imageWidth; i++)
{
for (int k = 0; k < imageHeight; k++)
{
hue = (float)k / imageHeight;
// HSL to RGB convertion.
var pixelColor = ColorTranslatorEx.FromHsb(hue, saturation, luminosity);
image.SetPixel(i, k, pixelColor);
}
}
image.Apply();
}
private void huePicker_HueChanged(object sender, EventArgs e)
{
vsPicker.SetHue(huePicker.Hue);
hueNumeric.ValueChanged -= HueNumericValueChanged;
hueNumeric.Value = (int)((1f - huePicker.Hue) * 359);
hueNumeric.ValueChanged += HueNumericValueChanged;
Color rgbColor = ColorTranslatorEx.FromHSV(huePicker.Hue * 359, vsPicker.Saturation, vsPicker.Value);
rNumeric.ValueChanged -= rNumeric_ValueChanged;
rNumeric.Value = rgbColor.R;
rNumeric.ValueChanged += rNumeric_ValueChanged;
gNumeric.ValueChanged -= gNumeric_ValueChanged;
gNumeric.Value = rgbColor.G;
gNumeric.ValueChanged += gNumeric_ValueChanged;
bNumeric.ValueChanged -= bNumeric_ValueChanged;
bNumeric.Value = rgbColor.B;
bNumeric.ValueChanged += bNumeric_ValueChanged;
color = Color.FromArgb((int)(alphaPicker.Alpha * 255), rgbColor);
ColorChanged(this, EventArgs.Empty);
}