public static void ExecuteConvert(string inputpfm, string outputldr, float factor, float gamma, float? luminosity)
{
string fmt = outputldr.Substring(outputldr.Length - 3, 3);
Console.WriteLine("\n\nStarting file conversion using these parameters:\n");
Console.WriteLine("pfmFile: " + inputpfm);
Console.WriteLine("ldrFile: " + outputldr);
Console.WriteLine("Format: " + fmt);
Console.WriteLine("Factor: " + factor);
Console.WriteLine("Gamma: " + gamma);
Console.WriteLine(luminosity.HasValue ? ("Manual luminosity: " + luminosity) : "Average luminosity");
Console.WriteLine("\n");
HdrImage myImg = new HdrImage();
try
{
using (FileStream inputStream = File.OpenRead(inputpfm))
{
myImg.readPfm(inputStream);
Console.WriteLine($"File {inputpfm} has been correctly read from disk.");
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return;
}
Console.WriteLine("Starting Tone Mapping...");
try
{
Console.WriteLine(">>>> Normalizing image...");
if (luminosity.HasValue) myImg.normalizeImage(factor, luminosity.Value);
else myImg.normalizeImage(factor);
Console.WriteLine(">>>> Clamping image...");
myImg.clampImage();
Console.WriteLine(">>>> Saving LDR image...");
myImg.writeLdrImage(outputldr, fmt, gamma);
Console.WriteLine($"File {outputldr} has been correctly written to disk.");
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return;
}
} //Convert
public void TestClampImage()
{
var img = new HdrImage(2, 1);
img.setPixel(0, 0, new Color(0.5e1f, 1.0e1f, 1.5e1f));
img.setPixel(1, 0, new Color(0.5e3f, 1.0e3f, 1.5e3f));
img.clampImage();
foreach (var curPixel in img.pixel)
{
Assert.True((curPixel.r >= 0) && (curPixel.r <= 1), "TestClampImage failed - Assert 1/3");
Assert.True((curPixel.g >= 0) && (curPixel.g <= 1), "TestClampImage failed - Assert 2/3");
Assert.True((curPixel.b >= 0) && (curPixel.b <= 1), "TestClampImage failed - Assert 3/3");
}
}