public static IColorMapTableGetter GetColorTableGetter(enumDataType dataType, ColorMapTable <double> oColorTable)
{
switch (dataType)
{
case enumDataType.Byte:
return(new ColorMapTableSetter <byte>(oColorTable));
case enumDataType.Int16:
return(new ColorMapTableSetter <Int16>(oColorTable));
case enumDataType.UInt16:
return(new ColorMapTableSetter <UInt16>(oColorTable));
case enumDataType.Int32:
return(new ColorMapTableSetter <Int32>(oColorTable));
case enumDataType.UInt32:
return(new ColorMapTableSetter <UInt32>(oColorTable));
case enumDataType.Int64:
return(new ColorMapTableSetter <Int64>(oColorTable));
case enumDataType.Float:
return(new ColorMapTableSetter <float>(oColorTable));
case enumDataType.Double:
return(new ColorMapTableSetter <double>(oColorTable));
default:
return(null);
}
}
public ColorMapTableSetter(ColorMapTable <double> oColorMapTable)
{
enumDataType dataType = DataTypeHelper.DataType2Enum(typeof(T));
switch (dataType)
{
case enumDataType.Byte:
Func <byte, byte> stByte = (v) =>
{
for (byte i = 0; i < oColorMapTable.Items.Count; i++)
{
if (v >= (byte)oColorMapTable.Items[i].MinValue && v < (byte)oColorMapTable.Items[i].MaxValue)
{
return((byte)(i + 1));
}
}
return(255);
};
_stretcher = stByte;
break;
case enumDataType.Float:
Func <float, byte> stFloat = (v) =>
{
for (byte i = 0; i < oColorMapTable.Items.Count; i++)
{
if (v >= (float)oColorMapTable.Items[i].MinValue && v < (float)oColorMapTable.Items[i].MaxValue)
{
return((byte)(i + 1));
}
}
return(255);
};
_stretcher = stFloat;
break;
case enumDataType.Double:
Func <double, byte> stDouble = (v) =>
{
for (byte i = 0; i < oColorMapTable.Items.Count; i++)
{
if (v >= (double)oColorMapTable.Items[i].MinValue && v < (double)oColorMapTable.Items[i].MaxValue)
{
return((byte)(i + 1));
}
}
return(255);
};
_stretcher = stDouble;
break;
case enumDataType.UInt16:
Func <UInt16, byte> stUInt16 = (v) =>
{
for (byte i = 0; i < oColorMapTable.Items.Count; i++)
{
if (v >= (UInt16)oColorMapTable.Items[i].MinValue && v < (UInt16)oColorMapTable.Items[i].MaxValue)
{
return((byte)(i + 1));
}
}
return(255);
};
_stretcher = stUInt16;
break;
case enumDataType.Int16:
Func <Int16, byte> stInt16 = (v) =>
{
for (byte i = 0; i < oColorMapTable.Items.Count; i++)
{
if (v >= (Int16)oColorMapTable.Items[i].MinValue && v < (Int16)oColorMapTable.Items[i].MaxValue)
{
return((byte)(i + 1));
}
}
return(255);
};
_stretcher = stInt16;
break;
case enumDataType.Int32:
Func <Int32, byte> stInt32 = (v) =>
{
for (byte i = 0; i < oColorMapTable.Items.Count; i++)
{
if (v >= (Int32)oColorMapTable.Items[i].MinValue && v < (Int32)oColorMapTable.Items[i].MaxValue)
{
return((byte)(i + 1));
}
}
return(255);
};
_stretcher = stInt32;
break;
case enumDataType.UInt32:
Func <UInt32, byte> stUInt32 = (v) =>
{
for (byte i = 0; i < oColorMapTable.Items.Count; i++)
{
if (v >= (UInt32)oColorMapTable.Items[i].MinValue && v < (UInt32)oColorMapTable.Items[i].MaxValue)
{
return((byte)(i + 1));
}
}
return(255);
};
_stretcher = stUInt32;
break;
case enumDataType.Int64:
Func <Int64, byte> stInt64 = (v) =>
{
for (byte i = 0; i < oColorMapTable.Items.Count; i++)
{
if (v >= (Int64)oColorMapTable.Items[i].MinValue && v < (Int64)oColorMapTable.Items[i].MaxValue)
{
return((byte)(i + 1));
}
}
return(255);
};
_stretcher = stInt64;
break;
case enumDataType.UInt64:
Func <UInt64, byte> stUInt64 = (v) =>
{
for (byte i = 0; i < oColorMapTable.Items.Count; i++)
{
if (v >= (UInt64)oColorMapTable.Items[i].MinValue && v < (UInt64)oColorMapTable.Items[i].MaxValue)
{
return((byte)(i + 1));
}
}
return(255);
};
_stretcher = stUInt64;
break;
}
_colorTable = new ColorMapTable <int>();
for (byte i = 1; i <= oColorMapTable.Items.Count; i++) //如果Count>=255则出错。因为byte类型的i=255时候，i++后，i=0了
{
_colorTable.Items.Add(new ColorMapItem <int>(i, i + 1, oColorMapTable.Items[i - 1].Color));
}
}
public void ResetStretcher()
{
_colorMapTable = null;
_stretcher = null;
}