private void SetLabLChValues(lcmsCIELab tLab)
{
lblMyR.Text = "R: " + rgbColor.R.ToString("F2") + "(" + (rgbColor.R / 255).ToString("F2") + ")";
lblMyG.Text = "G: " + rgbColor.G.ToString("F2") + "(" + (rgbColor.G / 255).ToString("F2") + ")";
lblMyB.Text = "B: " + rgbColor.B.ToString("F2") + "(" + (rgbColor.B / 255).ToString("F2") + ")";
lblL.Text = "L*: " + tLab.L.ToString("F2");
lbla.Text = "a*: " + tLab.a.ToString("F2");
lblb.Text = "b*: " + tLab.b.ToString("F2");
var tLCh = tLab.ToLCh();
var tXYZ = tLab.ToXYZ(pLab.WhitePoint);
lbL.Text = "L: " + tLCh.L.ToString("F2");
lbC.Text = "C: " + tLCh.C.ToString("F2");
lbh.Text = "h: " + tLCh.h.ToString("F2");
lX.Text = "X: " + tXYZ.X.ToString("F2");
lY.Text = "Y: " + tXYZ.Y.ToString("F2");
lZ.Text = "Z: " + tXYZ.Z.ToString("F2");
if (currentLAB == null)
{
currentLAB = new lcmsCIELab();
}
currentLAB.L = tLab.L;
currentLAB.a = tLab.a;
currentLAB.b = tLab.b;
}
private void TestLabDBL()
{
pnlColor.BackColor = Color.FromArgb(tbRed.Value, tbGreen.Value, tbBlue.Value);
lcmsCIELab labValues;
double[] buffer = new double[3];
buffer[0] = rgbColor.R / 255; //In - Red Out - L (In - as input buffer)
buffer[1] = rgbColor.G / 255; //In - Green Out - a (Out - as output buffer)
buffer[2] = rgbColor.B / 255; //In - Blue Out - b
var size = sizeof(double) * buffer.Length;
IntPtr ptr = Marshal.AllocCoTaskMem(size);
Marshal.Copy(buffer, 0, ptr, buffer.Length); //Copy the buffer to the pointer
tRGBtoLabDBL.DoTransform(ptr, ptr, 1);
Marshal.Copy(ptr, buffer, 0, buffer.Length); //Copy the transformed values in the pointer back to the buffer
Marshal.FreeCoTaskMem(ptr);
labValues = new lcmsCIELab(buffer[0], buffer[1], buffer[2]);
SetLabLChValues(labValues);
gbxConversion.Text = " RGB - LAB (double -> double)";
}
private void TestLab()
{
if (DontDoTestLab)
{
return;
}
pnlColor.BackColor = Color.FromArgb(tbRed.Value, tbGreen.Value, tbBlue.Value);
double[] myLab = new double[3];
byte[] rgb = new byte[3];
//double
rgb[0] = (Byte)tbRed.Value; //Red
rgb[1] = (Byte)tbGreen.Value; //Green
rgb[2] = (Byte)tbBlue.Value; //Blue
IntPtr ptrIn = Marshal.AllocCoTaskMem(sizeof(byte) * rgb.Length);
Marshal.Copy(rgb, 0, ptrIn, rgb.Length);
IntPtr ptrOut = Marshal.AllocCoTaskMem(sizeof(double) * myLab.Length);
tRGBtoLab.DoTransform(ptrIn, ptrOut, 1);
Marshal.Copy(ptrOut, myLab, 0, myLab.Length);
Marshal.FreeCoTaskMem(ptrIn);
Marshal.FreeCoTaskMem(ptrOut);
var labValues = new lcmsCIELab(myLab[0], myLab[1], myLab[2]);
SetLabLChValues(labValues);
gbxConversion.Text = " RGB - LAB (byte -> double)";
}
private void btnDeltaE2K_Click(object sender, EventArgs e)
{
var sLAB = txtLAB.Text.Split();
listLAB.Clear();
listLCH.Clear();
listXYZ.Clear();
listDE2K.Clear();
foreach (var item in sLAB)
{
if (!String.IsNullOrEmpty(item))
{
listLAB.Add(Double.Parse(item));
}
}
var A = new lcmsCIELab();
var B = new lcmsCIELab();
if (listLAB.Count % 2 != 0)
{
txtLAB.Text = "Error!!! you have to enter an even number of LAB values.";
return;
}
int half = listLAB.Count / 2;
for (int i = 0; i < half; i += 3)
{
A.L = listLAB[i];
A.a = listLAB[i + 1];
A.b = listLAB[i + 2];
B.L = listLAB[half + i];
B.a = listLAB[half + i + 1];
B.b = listLAB[half + i + 2];
listDE2K.Add(A.DeltaECIE2000(B, 1, 1, 1));
}
String sDE2K = "";
foreach (double item in listDE2K)
{
sDE2K += item + "\r\n";
}
Clipboard.SetText(sDE2K);
txtLAB.Text = sDE2K;
}
private void btnLab_Click(object sender, EventArgs e)
{
var sLAB = txtLAB.Text.Split();
listLAB.Clear();
listLCH.Clear();
listXYZ.Clear();
foreach (var item in sLAB)
{
if (!String.IsNullOrEmpty(item))
{
listLAB.Add(Double.Parse(item));
}
}
var A = new lcmsCIELab();
var B = new lcmsCIELCh();
var C = new lcmsCIEXYZ();
for (int i = 0; i < listLAB.Count; i += 3)
{
A.L = listLAB[i];
A.a = listLAB[i + 1];
A.b = listLAB[i + 2];
B.FromLab(A);
C.FromLab(pLab.WhitePoint, A);
listLCH.Add(B.L);
listLCH.Add(B.C);
listLCH.Add(B.h);
listXYZ.Add(C.X);
listXYZ.Add(C.Y);
listXYZ.Add(C.Z);
}
listLAB.Clear();
}
