/// <summary>
/// this method performs all tasks done with a left mouse click in XYZ space
/// </summary>
/// <param name="x">the current x coordinate</param>
/// <param name="y">the current y coordinate</param>
/// <param name="showCircle">if true the selected Color circle will be shown</param>
/// <author>Markus Strobel</author>
private void LeftClickXYZSpace(float x, float y, bool showCircle)
{
// set trackbar values
if (!(hoveredRGBColor.R < 0 || hoveredRGBColor.G < 0 || hoveredRGBColor.B < 0))
{
HSL hsl = hoveredRGBColor.asHSL();
// normalize
float maxV = Math.Max(hoveredRGBColor.R, Math.Max(hoveredRGBColor.G, hoveredRGBColor.B));
hoveredRGBColor.R /= maxV;
hoveredRGBColor.G /= maxV;
hoveredRGBColor.B /= maxV;
// set RGB tab values for trackbars
labelTabRGB_R.Text = "R: " + hoveredRGBColor.R;
labelTabRGB_G.Text = "G: " + hoveredRGBColor.G;
labelTabRGB_B.Text = "B: " + hoveredRGBColor.B;
trackBarR.Value = (int)(hoveredRGBColor.R * 255);
trackBarG.Value = (int)(hoveredRGBColor.G * 255);
trackBarB.Value = (int)(hoveredRGBColor.B * 255);
//set HSL values for trackbars
labelTabHSL_H.Text = "H: " + (hsl.H) + "°";
labelTabHSL_S.Text = "S: " + (hsl.S * 100) + "%";
labelTabHSL_L.Text = "L: " + (hsl.L * 100) + "%";
trackBarH.Value = (int)hsl.H;
trackBarS.Value = (int)(hsl.S * 100);
trackBarL.Value = (int)(hsl.L * 100);
selectedRGBColor = hoveredRGBColor;
selectedXYZColor = hoveredXYZColor;
selectedYxyColor = new Yxy(x, y);
if (checkBoxRGB.Checked)
{
showColorCircle = false;
createRGBPreviewLines(selectedRGBColor);
}
else if (checkBoxHSL.Checked)
{
showColorCircle = false;
createHSLPreviewLines(selectedRGBColor.asHSL());
createHSLPreviewCircle(selectedRGBColor.asHSL());
}
else
{
showColorCircle = showCircle;
createSelectedColorCircleVBO(x, y, 0.01f, 36); // computes color circle position
}
}
else // (!(hoveredRGBColor.R < 0 || hoveredRGBColor.G < 0 || hoveredRGBColor.B < 0))
{
trackBarR.Value = 0;
trackBarG.Value = 0;
trackBarB.Value = 0;
labelTabRGB_R.Text = "R: 0";
labelTabRGB_G.Text = "G: 0";
labelTabRGB_B.Text = "B: 0";
trackBarH.Value = 1;
trackBarS.Value = 100;
trackBarL.Value = 50;
labelTabHSL_H.Text = "H: 1°";
labelTabHSL_S.Text = "S: 100%";
labelTabHSL_L.Text = "L: 50%";
selectedRGBColor = null;
selectedXYZColor = null;
showColorCircle = false;
}
// take current preview Color as selected Color
// we dont need to compute it twice
// set selectedColor Panel, label
panelColorSelected.BackColor = panelColorPreview.BackColor;
labelColorSelectedHex.Text = labelColorPreviewHex.Text;
labelColSelectedXH.Text = labelColPreviewXH.Text;
labelColSelectedYS.Text = labelColPreviewYS.Text;
}
/// <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>
/// </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();
}