protected override void BeforeProcess()
{
_bcArgs = _arg as BrightContrastArg;
int bright = _bcArgs.BrightAdjustValue;
double change = _bcArgs.Brightchangevalue;
double dstepC = (_bcArgs.ContrastAdjustValue + PARA_1) * PARA_2;
if (dstepC > 1)
{
dstepC = dstepC * dstepC * dstepC;
}
double bChange = bright * change * dstepC - PARA_MIDDLE * dstepC + PARA_MIDDLE;
_rgbs = new byte[256];
if (_bcArgs.IsChanged)
{
for (int i = 0; i < 256; i++)
{
_rgbs[i] = ColorMath.FixByte(i * dstepC + bChange);
}
}
else
{
for (int i = 0; i < 256; i++)
{
_rgbs[i] = (byte)i;
}
}
}
public override XmlElement ToXML(XmlDocument xmldoc)
{
if (_bcArgs == null)
{
_bcArgs = new BrightContrastArg();
}
return(_bcArgs.ToXML(xmldoc));
}
public override RgbProcessorArg Clone()
{
BrightContrastArg arg = new BrightContrastArg(_channel);
arg.BrightAdjustValue = _brightAdjustValue;
arg.ContrastAdjustValue = _contrastAdjustValue;
arg.Brightchangevalue = _brightchangevalue;
arg.Channel = _channel;
return(arg);
}
/// <summary>
/// 参数编辑窗口自己的初始化
/// </summary>
private void Init()
{
_bcArg = _arg as BrightContrastArg;
InitRGBChannel();
InitControl();
}
public override void CreateDefaultArguments()
{
_arg = new BrightContrastArg();
}