private Bitmap ProduceBitmap2(Image img, ref Size size)
{
using (Bitmap resized = ImageTransform.ResizeImage(img, size, false, Interpolation))
{
using (Bitmap grayscale = ImageTransform.GrayScale(resized, Red / 100.0F, Green / 100.0F, Blue / 100.0F, -((100 - Brightness) / 100.0F), (Contrast / 100.0F), IsGrayScale ? ImageTransform.Formula.SimpleAverage : Formula))
{
using (Bitmap whiten = ImageTransform.Whitenize(grayscale, mWhitePoint, false))
{
if (SelectedTool == Tool.Dithering)
{
return(ImageTransform.DitherImage(whiten, mDithering));
}
else if (SelectedTool == Tool.Centerline)
{
//apply variable threshold (if needed) + 50% threshold (always)
return(ImageTransform.Threshold(ImageTransform.Threshold(whiten, Threshold / 100.0F, UseThreshold), 50.0F / 100.0F, true));
}
else
{
return(ImageTransform.Threshold(whiten, Threshold / 100.0F, UseThreshold));
}
}
}
}
}
private Bitmap ProduceBitmap(Image img, Size size)
{
if (SelectedTool == Tool.Vectorize && UseDownSampling && DownSampling > 1) //if downsampling
{
using (Image downsampled = ImageTransform.ResizeImage(img, new Size((int)(size.Width * 1 / DownSampling), (int)(size.Height * 1 / DownSampling)), false, InterpolationMode.HighQualityBicubic))
return(ProduceBitmap2(downsampled, ref size));
}
else
{
return(ProduceBitmap2(img, ref size));
}
}
private void ResizeRecalc()
{
lock (this)
{
if (mResized != null)
{
mResized.Dispose();
}
mResized = ImageTransform.ResizeImage(mOriginal, CalculateResizeToFit(mOriginal.Size, mBoxSize), false, Interpolation);
}
}
private Bitmap ProduceWhitepointDemo(Image img, Size size)
{
using (Bitmap resized = ImageTransform.ResizeImage(mResized, mResized.Size, false, Interpolation))
using (Bitmap grayscale = ImageTransform.GrayScale(resized, Red / 100.0F, Green / 100.0F, Blue / 100.0F, -((100 - Brightness) / 100.0F), (Contrast / 100.0F), IsGrayScale ? ImageTransform.Formula.SimpleAverage : Formula))
return(ImageTransform.Whitenize(grayscale, mWhitePoint, true));
}