public Bitmap GetNewFrame(Bitmap source)
{
var newFrame = levelsLinear.Apply(source);
source.Dispose();
return(newFrame);
}
private static Bitmap CreateGrayscale(Bitmap image)
{
const int size = 512;
float scale = Math.Min(size / (float)image.Width, size / (float)image.Height);
ResizeBicubic resize = new ResizeBicubic((int)(image.Width*scale), (int)(image.Height*scale));
ImageStatistics stat = new ImageStatistics( image );
LevelsLinear levelsLinear = new LevelsLinear
{
Output = new IntRange(0, 255),
InRed = stat.Red.GetRange(.95),
InBlue = stat.Blue.GetRange(.95),
InGreen = stat.Green.GetRange(.95)
};
SaturationCorrection sc = new SaturationCorrection(-1);
Bitmap square = new Bitmap(size, size);
using(Bitmap resized = resize.Apply(sc.Apply(levelsLinear.Apply(image)).MakeGrayscale()))
using (Graphics g = Graphics.FromImage(square))
{
g.DrawImage(resized, new Point((size-resized.Width) / 2 ,0));
}
return square;
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
Bitmap img = null;
DA.GetData(0, ref img);
Interval L = new Interval(0, 1);
DA.GetData("Luminance", ref L);
Interval S = new Interval(0, 1);
DA.GetData("Saturation", ref S);
Interval Y = new Interval(0, 255);
DA.GetData("Luma", ref Y);
Interval Cb = new Interval(-1, 1);
DA.GetData("Chroma_Blue", ref Cb);
Interval Cr = new Interval(-1, 1);
DA.GetData("Chroma_Red", ref Cr);
Interval R = new Interval(0, 255);
DA.GetData("Red", ref R);
Interval G = new Interval(0, 255);
DA.GetData("Green", ref G);
Interval B = new Interval(0, 255);
DA.GetData("Blue", ref B);
Bitmap filteredImage = img;
Interval bInterval = new Interval(0, 1);
Interval Interval255 = new Interval(0, 255);
Interval IntervalMinusOne = new Interval(-1, 1);
//////////////////////////////////////////////////////////////////////////
HSLLinear myHSLfilter = new HSLLinear();
if (bInterval.IncludesInterval(L))
{
myHSLfilter.InLuminance = new AForge.Range(Convert.ToSingle(L.Min), Convert.ToSingle(L.Max));
}
if (bInterval.IncludesInterval(S))
{
myHSLfilter.InSaturation = new AForge.Range(Convert.ToSingle(S.Min), Convert.ToSingle(S.Max));
}
filteredImage = myHSLfilter.Apply(img);
//////////////////////////////////////////////////////////////////////////
YCbCrLinear myYCbCrfilter = new YCbCrLinear();
if (Interval255.IncludesInterval(Y))
{
myYCbCrfilter.InCb = new AForge.Range(Convert.ToSingle(Y.Min), Convert.ToSingle(Y.Max));
}
if (IntervalMinusOne.IncludesInterval(Cb))
{
myYCbCrfilter.InCb = new AForge.Range(Convert.ToSingle(Cb.Min), Convert.ToSingle(Cb.Max));
}
if (IntervalMinusOne.IncludesInterval(Cr))
{
myYCbCrfilter.InCr = new AForge.Range(Convert.ToSingle(Cr.Min), Convert.ToSingle(Cr.Max));
}
filteredImage = myYCbCrfilter.Apply(filteredImage);
//////////////////////////////////////////////////////////////////////////
LevelsLinear myRGBfilter = new LevelsLinear();
if (Interval255.IncludesInterval(R))
{
myRGBfilter.InRed = new AForge.IntRange((int)(R.Min), (int)(R.Max));
}
if (Interval255.IncludesInterval(G))
{
myRGBfilter.InGreen = new AForge.IntRange((int)(G.Min), (int)(G.Max));
}
if (Interval255.IncludesInterval(B))
{
myRGBfilter.InBlue = new AForge.IntRange((int)(B.Min), (int)(B.Max));
}
filteredImage = myRGBfilter.Apply(filteredImage);
DA.SetData(0, filteredImage);
}