static public IColorMap FromFile(string path)
{
IColorMap cm = null;
XmlReader r = null;
try
{
r = XmlReader.Create(path);
r.ReadToFollowing("ColorMap");
double bias = double.Parse(r["Bias"]);
double contrast = double.Parse(r["Contrast"]);
string type = r["Type"];
switch (type)
{
case "RGBFile":
r.ReadToDescendant("RGB");
StringReader sr = new StringReader(r.ReadString());
cm = new FileColorMap(sr);
sr.Close();
break;
case "Advanced":
// skip LIP tag
r.ReadToDescendant("LIP");
r.ReadToDescendant("Red");
string red = r.ReadString();
r.ReadToNextSibling("Green");
string green = r.ReadString();
r.ReadToNextSibling("Blue");
string blue = r.ReadString();
cm = new CustomLIColorMap(red, green, blue);
break;
default:
cm = Create((ColorMapTypes)Enum.Parse(typeof(ColorMapTypes), r["Type"], true), null);
break;
}
if (cm != null)
{
cm.Initialize();
cm.Bias = bias;
cm.Contrast = contrast;
}
}
finally
{
if (r != null)
{
r.Close();
}
}
return(cm);
}
// param is a colorMapFile for file color maps or LI points for LI color maps
static public IColorMap Create(ColorMapTypes cp, string param)
{
IColorMap cpi = null;
switch (cp)
{
case ColorMapTypes.Gray:
cpi = new GrayColorMap();
break;
case ColorMapTypes.Red:
cpi = new RedColorMap();
break;
case ColorMapTypes.Green:
cpi = new GreenColorMap();
break;
case ColorMapTypes.Blue:
cpi = new BlueColorMap();
break;
case ColorMapTypes.A:
cpi = new AColorMap();
break;
case ColorMapTypes.B:
cpi = new BColorMap();
break;
case ColorMapTypes.BB:
cpi = new BBColorMap();
break;
case ColorMapTypes.HE:
cpi = new HEColorMap();
break;
case ColorMapTypes.Heat:
cpi = new HeatColorMap();
break;
case ColorMapTypes.Cool:
cpi = new CoolColorMap();
break;
case ColorMapTypes.Rainbow:
cpi = new RainbowColorMap();
break;
case ColorMapTypes.Standard:
cpi = new StandardColorMap();
break;
case ColorMapTypes.I8:
cpi = new I8ColorMap();
break;
case ColorMapTypes.AIPS0:
cpi = new AIPS0ColorMap();
break;
case ColorMapTypes.Staircase:
cpi = new StaircaseColorMap();
break;
case ColorMapTypes.Color:
cpi = new ColorColorMap();
break;
case ColorMapTypes.SLS:
cpi = new SLSColorMap();
break;
case ColorMapTypes.HSV:
cpi = new HSVColorMap();
break;
case ColorMapTypes.RGBFile:
if (string.IsNullOrEmpty(param))
{
throw new ArgumentNullException("Custom Map file name is not valid");
}
cpi = new FileColorMap(param);
break;
case ColorMapTypes.Advanced:
{
if (string.IsNullOrEmpty(param))
{
throw new ArgumentNullException("LI points are missing");
}
// extract color values
string[] LIPoitns = param.Split(new char[] { ';' });
if (LIPoitns.Length != 3 ||
string.IsNullOrEmpty(LIPoitns[0]) ||
string.IsNullOrEmpty(LIPoitns[1]) ||
string.IsNullOrEmpty(LIPoitns[2]))
{
throw new ArgumentNullException("Invalid LI points");
}
cpi = new CustomLIColorMap(LIPoitns[0], LIPoitns[1], LIPoitns[2]);
}
break;
default:
break;
}
return(cpi);
}
