protected void CheckSimpleRenderTileResponse(SKBitmap bitmap, string fileName = "", string compareToFile = "")
{
// Convert the response into a bitmap
bitmap.Should().NotBeNull();
if (!string.IsNullOrEmpty(fileName))
{
using var image = SKImage.FromBitmap(bitmap);
using var data = image.Encode(SKEncodedImageFormat.Png, 100);
using var stream = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None);
data.SaveTo(stream);
}
else
{
// If the comparison file does not exist then create it to provide a base comparison moving forward.
if (!string.IsNullOrEmpty(compareToFile) && !File.Exists(compareToFile))
{
using var image = SKImage.FromBitmap(bitmap);
using var data = image.Encode(SKEncodedImageFormat.Png, 100);
using var stream = new FileStream(compareToFile, FileMode.Create, FileAccess.Write, FileShare.None);
data.SaveTo(stream);
}
}
if (!string.IsNullOrEmpty(compareToFile))
{
var goodBmp = SKBitmap.Decode(compareToFile);
goodBmp.Height.Should().Be(bitmap.Height);
goodBmp.Width.Should().Be(bitmap.Width);
for (var i = 0; i <= bitmap.Width - 1; i++)
{
for (var j = 0; j < bitmap.Height - 1; j++)
{
goodBmp.GetPixel(i, j).Should().Be(bitmap.GetPixel(i, j));
}
}
}
}
