protected override void BeforeProcess()
{
_lcArgs = _arg as LevelColorArg;
if (_isFirstCount)
{
_lcArgs.ObjPixelCount.ClearPixelCount();
CountHistPixel();
_isFirstCount = false;
}
_inputMid = _lcArgs.InputMiddle;
_outputMin = _lcArgs.OutputMin;
int outputDif = _lcArgs.OutputMax - _outputMin;
double inputDif = _lcArgs.InputMax - _lcArgs.InputMin;
double thanValue = _lcArgs.InputMin / inputDif;
_rgbs = new byte[256];
if (_lcArgs.IsChanged)
{
for (int i = 0; i < 256; i++)
{
_rgbs[i] = ColorMath.FixByte(outputDif * Math.Pow((i / inputDif - thanValue), _inputMid) + _outputMin);
}
}
else
{
for (int i = 0; i < 256; i++)
{
_rgbs[i] = (byte)i;
}
}
}
public override XmlElement ToXML(XmlDocument xmldoc)
{
if (_lcArgs == null)
{
_lcArgs = new LevelColorArg();
}
return(_lcArgs.ToXML(xmldoc));
}
public override RgbProcessorArg Clone()
{
LevelColorArg arg = new LevelColorArg(_channel);
arg.Channel = _channel;
arg.InputMin = _inputMin;
arg.InputMiddle = _inputMiddle;
arg.InputMax = _inputMax;
arg.OutputMin = _outputMin;
arg.OutputMax = _outputMax;
arg.ObjPixelCount = _objPixelCount;
return(arg);
}
public override void CreateDefaultArguments()
{
_arg = new LevelColorArg();
}