protected void Exposure(string param)
{
if (inputImage == null)
{
return;
}
Dictionary <string, string> p = Util.ParseKeyValueList(param);
double gamma = 0.0;
if (p.Count > 0)
{
// gamma=<float-number>
Util.TryParse(p, "gamma", ref gamma);
// exp=<float-number>
// must not change the value if the 'exp' key is not present
Util.TryParse(p, "exp", ref exposure);
// sub=<sub-factor>
if (Util.TryParse(p, "sub", ref subFactor))
{
if (subFactor < 1)
{
subFactor = 1;
}
if (subFactor == 1)
{
if (inputImage != origInputImage)
{
inputImage = origInputImage;
}
}
else
if (inputImage.Width * subFactor != origInputImage.Width)
{
inputImage = new FloatImage(origInputImage);
inputImage.Resize(subFactor);
}
}
}
sw.Restart();
outputImage = inputImage.Exposure(outputImage, exposure, gamma);
sw.Stop();
labelStatus.Text = string.Format(CultureInfo.InvariantCulture, "{0:f1} EV, exp: {1} ms",
contrast, sw.ElapsedMilliseconds);
setImage(ref outputImage, outputImage);
}
