public ColorMap(ColorMapDefaults map)
{
colorMap = new byte[256][];
switch (map)
{
case ColorMapDefaults.Jet:
{
#region Jet
#if false
float[]r_range = { 0, 0.376f, 0.627f, 0.878f, 1 };
float[]r_points = { 0, 0.016f, 1, 0.984f, 0.500f };
float[]g_range = { 0, 0.125f, 0.376f, 0.627f, 0.878f, 1 };
float[]g_points = { 0, 0.016f, 1, 0.984f, 0, 0 };
float[]b_range = { 0, 0.125f, 0.376f, 0.627f, 1 };
float[]b_points = { 0.516f, 1, 0.984f, 0, 0 };
FxVectorF r = FxVectorF.LinSpace(r_points, r_range, 256);
FxVectorF g = FxVectorF.LinSpace(g_points, g_range, 256);
FxVectorF b = FxVectorF.LinSpace(b_points, b_range, 256);
#else
float[] r_points = { 0, 0, 0, 1, 1, 0.5f };
float[] g_points = { 0, 0, 1, 1, 0, 0 };
float[] b_points = { 0.5f, 1, 1, 0, 0, 0 };
FxVectorF r = FxVectorF.LinSpace(r_points, 256);
FxVectorF g = FxVectorF.LinSpace(g_points, 256);
FxVectorF b = FxVectorF.LinSpace(b_points, 256);
#endif
for (int i = 0; i < 256; i++)
{
colorMap[i] = new byte[3];
colorMap[i][0] = (byte)(r[i] * 255);
colorMap[i][1] = (byte)(g[i] * 255);
colorMap[i][2] = (byte)(b[i] * 255);
}
#endregion
}
break;
case ColorMapDefaults.Gray:
{
#region Gray
for (int i = 0; i < 256; i++)
{
colorMap[i] = new byte[3];
colorMap[i][0] = (byte)i;
colorMap[i][1] = (byte)i;
colorMap[i][2] = (byte)i;
}
#endregion
}
break;
case ColorMapDefaults.Hot:
{
#region Hot
float[] r_points = { 0, 1, 1, 1 };
float[] g_points = { 0, 0, 1, 1 };
float[] b_points = { 0, 0, 0, 1 };
FxVectorF r = FxVectorF.LinSpace(r_points, 256);
FxVectorF g = FxVectorF.LinSpace(g_points, 256);
FxVectorF b = FxVectorF.LinSpace(b_points, 256);
for (int i = 0; i < 256; i++)
{
colorMap[i] = new byte[3];
colorMap[i][0] = (byte)(r[i] * 255);
colorMap[i][1] = (byte)(g[i] * 255);
colorMap[i][2] = (byte)(b[i] * 255);
}
#endregion
}
break;
case ColorMapDefaults.Bones:
{
#region Bones
float[] r_range = { 0, 0.753f, 1 };
float[] r_points = { 0, 0.661f, 1 };
float[] g_range = { 0, 0.376f, 0.753f, 1 };
float[] g_points = { 0, 0.331f, 0.784f, 1 };
float[] b_range = { 0, 0.376f, 1 };
float[] b_points = { 0.001f, 0.454f, 1 };
FxVectorF r = FxVectorF.LinSpace(r_points, r_range, 256);
FxVectorF g = FxVectorF.LinSpace(g_points, g_range, 256);
FxVectorF b = FxVectorF.LinSpace(b_points, b_range, 256);
for (int i = 0; i < 256; i++)
{
colorMap[i] = new byte[3];
colorMap[i][0] = (byte)(r[i] * 255);
colorMap[i][1] = (byte)(g[i] * 255);
colorMap[i][2] = (byte)(b[i] * 255);
}
#endregion
}
break;
case ColorMapDefaults.Copper:
{
#region Copper
float[] r_range = { 0, 0.804f, 1 };
float[] r_points = { 0, 1, 1 };
float[] g_range = { 0, 1 };
float[] g_points = { 0, 0.781f };
float[] b_range = { 0, 1 };
float[] b_points = { 0, 0.497f };
FxVectorF r = FxVectorF.LinSpace(r_points, r_range, 256);
FxVectorF g = FxVectorF.LinSpace(g_points, g_range, 256);
FxVectorF b = FxVectorF.LinSpace(b_points, b_range, 256);
for (int i = 0; i < 256; i++)
{
colorMap[i] = new byte[3];
colorMap[i][0] = (byte)(r[i] * 255);
colorMap[i][1] = (byte)(g[i] * 255);
colorMap[i][2] = (byte)(b[i] * 255);
}
#endregion
}
break;
case ColorMapDefaults.Sepia:
{
#region Sepia
float[] r_points = { 0, 0.753f, 1 };
float[] g_points = { 0, 0.376f, 0.753f, 1 };
float[] b_points = { 0, 0.376f, 1 };
FxVectorF r = FxVectorF.LinSpace(r_points, 256);
FxVectorF g = FxVectorF.LinSpace(g_points, 256);
FxVectorF b = FxVectorF.LinSpace(b_points, 256);
for (int i = 0; i < 256; i++)
{
colorMap[i] = new byte[3];
colorMap[i][0] = (byte)(r[i] * 255);
colorMap[i][1] = (byte)(g[i] * 255);
colorMap[i][2] = (byte)(b[i] * 255);
}
#endregion
}
break;
case ColorMapDefaults.HSV:
{
#region HSV
float[] r_range = { 0f, 0.169f, 0.173f, 0.337f, 0.341f, 0.671f, 0.675f, 0.839f, 0.843f, 1 };
float[] r_points = { 1f, 0.992f, 0.969f, 0f, 0f, 0.008f, 0.031f, 1f, 1f, 1 };
float[] g_range = { 0f, 0.169f, 0.173f, 0.506f, 0.671f, 0.675f, 1 };
float[] g_points = { 0f, 1f, 1f, 0.977f, 0f, 0f, 0 };
float[] b_range = { 0f, 0.337f, 0.341f, 0.506f, 0.839f, 0.843f, 1 };
float[] b_points = { 0f, 0.016f, 0.039f, 1f, 0.984f, 0.961f, 0.023f };
FxVectorF r = FxVectorF.LinSpace(r_points, r_range, 256);
FxVectorF g = FxVectorF.LinSpace(g_points, g_range, 256);
FxVectorF b = FxVectorF.LinSpace(b_points, b_range, 256);
for (int i = 0; i < 256; i++)
{
colorMap[i] = new byte[3];
colorMap[i][0] = (byte)(r[i] * 255);
colorMap[i][1] = (byte)(g[i] * 255);
colorMap[i][2] = (byte)(b[i] * 255);
}
#endregion
}
break;
case ColorMapDefaults.DeepBlue:
{
#region DeepBlue
float[] r_range = { 0, 0.75f, 1 };
float[] r_points = { 0, 0, 1 };
float[] g_range = { 0, 0.375f, 0.75f, 1 };
float[] g_points = { 0, 0, 1, 1 };
float[] b_range = { 0, 0.375f, 1 };
float[] b_points = { 0, 1, 1 };
FxVectorF r = FxVectorF.LinSpace(r_points, r_range, 256);
FxVectorF g = FxVectorF.LinSpace(g_points, g_range, 256);
FxVectorF b = FxVectorF.LinSpace(b_points, b_range, 256);
for (int i = 0; i < 256; i++)
{
colorMap[i] = new byte[3];
colorMap[i][0] = (byte)(r[i] * 255);
colorMap[i][1] = (byte)(g[i] * 255);
colorMap[i][2] = (byte)(b[i] * 255);
}
#endregion
}
break;
case ColorMapDefaults.RGB332:
{
#region RGB332
for (int i = 0; i < 256; i++)
{
colorMap[i] = new byte[3];
colorMap[i][0] = (byte)(i & 0xE0);
colorMap[i][1] = (byte)((i & 0x1C) << 3);
colorMap[i][2] = (byte)((i & 0x03) << 6);
}
#endregion
}
break;
default:
break;
}
}
public static ColorMap GetColorMap(ColorMapDefaults colorMap)
{
if (cacheColorMap.ContainsKey(colorMap))
return cacheColorMap[colorMap];
var value = new ColorMap(colorMap);
cacheColorMap.Add(colorMap, value);
return value;
}
