private void TestLosslessRoundtrip(Bitmap gdiBitmap)
{
var encoder = new SimpleEncoder();
var decoder = new SimpleDecoder();
using (var outStream = new System.IO.MemoryStream())
{
encoder.Encode(gdiBitmap, outStream, -1);
outStream.Close();
var webpBytes = outStream.ToArray();
var reloaded = decoder.DecodeFromBytes(webpBytes, webpBytes.LongLength);
Assert.Equal(gdiBitmap.Height, reloaded.Height);
Assert.Equal(gdiBitmap.Width, reloaded.Width);
for (var y = 0; y < reloaded.Height; y++)
{
for (var x = 0; x < reloaded.Width; x++)
{
var expectedColor = gdiBitmap.GetPixel(x, y);
var actualColor = reloaded.GetPixel(x, y);
Assert.Equal(expectedColor, actualColor);
}
}
}
}
public void TestEncSimple()
{
Imazen.WebP.Extern.LoadLibrary.LoadWebPOrFail();
var encoder = new SimpleEncoder();
var fileName = "testimage.jpg";
var outFileName = "testimageout.webp";
File.Delete(outFileName);
Bitmap mBitmap;
FileStream outStream = new FileStream(outFileName, FileMode.Create);
using (Stream BitmapStream = System.IO.File.Open(fileName, System.IO.FileMode.Open))
{
Image img = Image.FromStream(BitmapStream);
mBitmap = new Bitmap(img);
encoder.Encode(mBitmap, outStream, 100, false);
}
FileInfo finfo = new FileInfo(outFileName);
Assert.True(finfo.Exists);
}