/// <summary>
/// Slidebar Event for RGB - allows to change the current selected point
/// </summary>
/// <author> Markus Strobel, Justine Smyzek</author>
private void trackBarRGB_Scroll(object sender, EventArgs e)
{
if (radioButtonXYZView.Checked)
{
//calculate values
RGB rgb_slide = new RGB(trackBarR.Value / 255f, trackBarG.Value / 255f, trackBarB.Value / 255f);
// here is a small computation error, TODO - fix to get and show the correct color from trackbarRGB
HSL hsl_slide = rgb_slide.asHSL();
//change labels of color
labelTabRGB_R.Text = "R: " + rgb_slide.R;
labelTabRGB_G.Text = "G: " + rgb_slide.G;
labelTabRGB_B.Text = "B: " + rgb_slide.B;
//change also HSL scroll
trackBarH.Value = (int)hsl_slide.H;
trackBarS.Value = (int)(hsl_slide.S * 100);
trackBarL.Value = (int)(hsl_slide.L * 100);
labelTabHSL_H.Text = "H: " + (trackBarH.Value) + "°";
labelTabHSL_S.Text = "S: " + trackBarS.Value + "%";
labelTabHSL_L.Text = "L: " + trackBarL.Value + "%";
//set new selected Color
panelColorSelected.BackColor = Color.FromArgb((int)(rgb_slide.R * 255), (int)(rgb_slide.G * 255), (int)(rgb_slide.B * 255));
labelColorSelectedHex.Text = "#" + ((int)(rgb_slide.R * 255)).ToString("X") + ((int)(rgb_slide.G * 255)).ToString("X") + ((int)(rgb_slide.B * 255)).ToString("X");
//calculate yxy room
Yxy yxy = rgb_slide.asXYZ().asYxy();
//control if Line prieview is wished - draw
if (checkBoxRGB.Checked)
{
createRGBPreviewLines(rgb_slide);
selectedRGBColor = rgb_slide;
showColorCircle = false;
checkBoxHSL.Enabled = false;
}
else
{
showColorCircle = true;
checkBoxHSL.Enabled = true;
}
createSelectedColorCircleVBO(yxy.x, yxy.y, 0.01f, 36); // computes color circle position
}
glControl1.Invalidate();
}
/// <summary>
/// this method creates the RGBPreviewLines for the XYZ Space
/// </summary>
/// <author>Markus Strobel</author>
private void createRGBPreviewLines(RGB selectedColor)
{
RGB rgb = new RGB();
Yxy yxy;
GL.Color3(0.5f, 0.5f, 0.5f);
rgb.R = 1;
rgb.G = selectedColor.G;
rgb.B = selectedColor.B;
yxy = rgb.asXYZ().asYxy();
Vector3 RGB_1GB = new Vector3(yxy.x, yxy.y, 0f);
rgb.R = 0;
rgb.G = selectedColor.G;
rgb.B = selectedColor.B;
yxy = rgb.asXYZ().asYxy();
Vector3 RGB_0GB = new Vector3(yxy.x, yxy.y, 0f);
rgb.R = selectedColor.R;
rgb.G = 1;
rgb.B = selectedColor.B;
yxy = rgb.asXYZ().asYxy();
Vector3 RGB_R1B = new Vector3(yxy.x, yxy.y, 0f);
rgb.R = selectedColor.R;
rgb.G = 0;
rgb.B = selectedColor.B;
yxy = rgb.asXYZ().asYxy();
Vector3 RGB_R0B = new Vector3(yxy.x, yxy.y, 0f);
rgb.R = selectedColor.R;
rgb.G = selectedColor.G;
rgb.B = 1;
yxy = rgb.asXYZ().asYxy();
Vector3 RGB_RG1 = new Vector3(yxy.x, yxy.y, 0f);
rgb.R = selectedColor.R;
rgb.G = selectedColor.G;
rgb.B = 0;
yxy = rgb.asXYZ().asYxy();
Vector3 RGB_RG0 = new Vector3(yxy.x, yxy.y, 0f);
Vector3[] vertices = { RGB_1GB, RGB_0GB, RGB_R1B, RGB_R0B, RGB_RG1, RGB_RG0 };
int[] indices = new int[vertices.Length];
for (int i = 0; i < vertices.Length; i++)
{
indices[i] = i;
}
rgbPreviewLines = LoadVBO(vertices, indices);
}
/// <summary>
/// </summary>
/// <author> Birthe Anne Wiegand</author>
private void KonvertierenButton_Click(object sender, EventArgs e)
{
RadioButton checkedButton = this.tabFarbRechner.Controls.OfType<RadioButton>().FirstOrDefault(radioButton => radioButton.Checked);
switch (checkedButton.Name)
{
case "customRGB":
// parse input to internal customRGBvalue
customRGBvalue.R = float.Parse(customRGB_R.Text, CultureInfo.InvariantCulture);
customRGBvalue.G = float.Parse(customRGB_G.Text, CultureInfo.InvariantCulture);
customRGBvalue.B = float.Parse(customRGB_B.Text, CultureInfo.InvariantCulture);
// update other internal values
XYZvalue = customRGBvalue.asXYZ();
RGBvalue = XYZvalue.asRGB();
sRGBvalue = RGBvalue.as_sRGB();
HSLvalue = RGBvalue.asHSL();
HSVvalue = RGBvalue.asHSV();
LUVvalue = XYZvalue.asLUV();
LABvalue = XYZvalue.asLAB();
break;
case "sRGB":
// parse input to internal customRGBvalue
sRGBvalue.R = float.Parse(sRGB_R.Text, CultureInfo.InvariantCulture);
sRGBvalue.G = float.Parse(sRGB_G.Text, CultureInfo.InvariantCulture);
sRGBvalue.B = float.Parse(sRGB_B.Text, CultureInfo.InvariantCulture);
// update other internal values
RGBvalue = sRGBvalue.asRGB();
XYZvalue = RGBvalue.asXYZ();
customRGBvalue = XYZvalue.as_customRGB();
HSLvalue = RGBvalue.asHSL();
HSVvalue = RGBvalue.asHSV();
LUVvalue = XYZvalue.asLUV();
LABvalue = XYZvalue.asLAB();
break;
case "HSL":
// parse input to internal HSLvalue
HSLvalue.H = float.Parse(HSL_H.Text, CultureInfo.InvariantCulture);
HSLvalue.S = float.Parse(HSL_S.Text, CultureInfo.InvariantCulture);
HSLvalue.L = float.Parse(HSL_L.Text, CultureInfo.InvariantCulture);
// update other internal values
RGBvalue = HSLvalue.asRGB();
XYZvalue = RGBvalue.asXYZ();
customRGBvalue = XYZvalue.as_customRGB();
sRGBvalue = RGBvalue.as_sRGB();
HSVvalue = RGBvalue.asHSV();
LUVvalue = XYZvalue.asLUV();
LABvalue = XYZvalue.asLAB();
break;
case "HSV":
// parse input to internal HSVvalue
HSVvalue.H = float.Parse(HSV_H.Text, CultureInfo.InvariantCulture);
HSVvalue.S = float.Parse(HSV_S.Text, CultureInfo.InvariantCulture);
HSVvalue.V = float.Parse(HSV_V.Text, CultureInfo.InvariantCulture);
// update other internal values
RGBvalue = HSVvalue.asRGB();
XYZvalue = RGBvalue.asXYZ();
customRGBvalue = XYZvalue.as_customRGB();
sRGBvalue = RGBvalue.as_sRGB();
HSLvalue = RGBvalue.asHSL();
LUVvalue = XYZvalue.asLUV();
LABvalue = XYZvalue.asLAB();
break;
case "XYZ":
// parse input to internal HSVvalue
XYZvalue.X = float.Parse(XYZ_X.Text, CultureInfo.InvariantCulture);
XYZvalue.Y = float.Parse(XYZ_Y.Text, CultureInfo.InvariantCulture);
XYZvalue.Z = float.Parse(XYZ_Z.Text, CultureInfo.InvariantCulture);
// update other internal values
RGBvalue = XYZvalue.asRGB();
customRGBvalue = XYZvalue.as_customRGB();
sRGBvalue = RGBvalue.as_sRGB();
HSLvalue = RGBvalue.asHSL();
HSVvalue = RGBvalue.asHSV();
LUVvalue = XYZvalue.asLUV(ColorHelper.WP_used);
LABvalue = XYZvalue.asLAB(ColorHelper.WP_used);
break;
case "LUV":
// parse input to internal LUVvalue
LUVvalue.L = float.Parse(LUV_L.Text, CultureInfo.InvariantCulture);
LUVvalue.U = float.Parse(LUV_U.Text, CultureInfo.InvariantCulture);
LUVvalue.V = float.Parse(LUV_V.Text, CultureInfo.InvariantCulture);
// update other internal values
XYZvalue = LUVvalue.asXYZ(ColorHelper.WP_used);
RGBvalue = XYZvalue.asRGB();
customRGBvalue = XYZvalue.as_customRGB();
sRGBvalue = RGBvalue.as_sRGB();
HSLvalue = RGBvalue.asHSL();
HSVvalue = RGBvalue.asHSV();
LABvalue = XYZvalue.asLAB(ColorHelper.WP_used);
break;
case "LAB":
// parse input to internal LABvalue
LABvalue.L = float.Parse(LAB_L.Text, CultureInfo.InvariantCulture);
LABvalue.A = float.Parse(LAB_A.Text, CultureInfo.InvariantCulture);
LABvalue.B = float.Parse(LAB_B.Text, CultureInfo.InvariantCulture);
// update other internal values
XYZvalue = LABvalue.asXYZ(ColorHelper.WP_used);
RGBvalue = XYZvalue.asRGB();
customRGBvalue = XYZvalue.as_customRGB();
sRGBvalue = RGBvalue.as_sRGB();
HSLvalue = RGBvalue.asHSL();
HSVvalue = RGBvalue.asHSV();
LUVvalue = XYZvalue.asLUV(ColorHelper.WP_used);
break;
}
UpdateBoxes();
}