public void MonoDithering_Bayer4x4_DitheringIsWorking()
{
// given
string tiffFile = string.Format("{0}.tif", GetCurrentMethod());
MonoDithering converter = new Bayer4x4MonoDithering();
// when
using (var bmpDithered = converter.Dither(testColorBitmap))
{
// then
Assert.AreEqual(bmpDithered.PixelFormat, PixelFormat.Format8bppIndexed);
}
}
public void MonoDithering_Bayer4x4_CanSaveAsMonohromaticTiff()
{
// given
string tiffFile = string.Format("{0}.tif", GetCurrentMethod());
MonoDithering converter = new Bayer4x4MonoDithering();
// when
using (var bmpDithered = converter.Dither(testColorBitmap))
converter.SaveAsMonoTiff(bmpDithered, tiffFile);
// then
using (var bmpDithered = new Bitmap(tiffFile))
Assert.IsTrue(bmpDithered.PixelFormat == PixelFormat.Format1bppIndexed);
}
//[Ignore]
public void MonoDithering_Input32bppRgbBitmapIsWorking()
{
// given
MonoDithering converter = new Bayer4x4MonoDithering();
string tiffFile = string.Format("{0}.tif", GetCurrentMethod());
using (var inputBitmap = new Bitmap(testColorBitmap.Width, testColorBitmap.Height, PixelFormat.Format32bppRgb))
{
using (var g = Graphics.FromImage(inputBitmap))
{
g.DrawImage(testColorBitmap, new Rectangle(0, 0, testColorBitmap.Width, testColorBitmap.Height));
}
// when
using (var bmpDithered = converter.Dither(inputBitmap))
{
converter.SaveAsMonoTiff(bmpDithered, tiffFile);
// then
Assert.AreEqual(bmpDithered.PixelFormat, PixelFormat.Format8bppIndexed);
}
}
}
