public void TestApplyBlueFilter()
{
var filename = "test5.png";
ImageFilter filter = new ImageFilter();
var testBitmap = GetTestBitmap();
SaveBitmap(testBitmap, filename);
filter.Load(filename);
try
{
TestLoadHelper(filter, testBitmap);
AttachDummyEventHandler(filter);
filter.ApplyFilter(Filter.Blue);
var filteredBitmap = filter.FilteredImage;
Assert.IsNotNull(filteredBitmap, $"ImageFilter - upon calling \'ApplyFilter\', property \'FilteredImage\' is null.");
var originalBitmap = filter.OriginalImage;
Assert.IsTrue(((originalBitmap.Width == filteredBitmap.Width) && (originalBitmap.Height == filteredBitmap.Height)),
$"ImageFilter - upon calling \'ApplyFilter\', property \'filteredImage\' has wrong size.");
for (int x = 0; x < filteredBitmap.Width; x++)
{
for (int y = 0; y < filteredBitmap.Height; y++)
{
var c = filteredBitmap.GetPixel(x, y);
Assert.IsTrue(
((c.R == 0) && (c.G == 0)),
$"ImageFilter - upon calling \'ApplyFilter(Filter.Blue)\', property \'FilteredImage\' contains wrong bitmap.");
}
}
}
finally
{
filter.OriginalImage.Dispose();
filter.FilteredImage.Dispose();
}
}
public byte[] Encode()
{
byte[] data = codec.EncodeColors(image.GetColorArray());
if (filter != null)
{
data = filter.ApplyFilter(data);
}
return(data);
}
private byte[] EncodeFromReference()
{
int[] indexes = referenceImage.GetColorArray().Select((c) => (c.R >> (8 - codec.BitDepth))).ToArray();
if (colorEncoder != null)
{
EncodedPalettes = new List <byte[]>(Palettes.Count);
foreach (Color[] pal in Palettes)
{
EncodedPalettes.Add(colorEncoder.EncodeColors(paletteFilter == null ? pal : paletteFilter.ApplyFilter(pal)));
}
}
return(imageFilter == null?codec.PackIndexes(indexes) : imageFilter.ApplyFilter(codec.PackIndexes(indexes)));
}