public DiscoverImageFormatTests()
{
this.localImageFormatMock = new Mock <IImageFormat>();
this.localMimeTypeDetector = new MockImageFormatDetector(this.localImageFormatMock.Object);
this.fileSystem = new Mock <IFileSystem>();
this.LocalConfiguration = new Configuration
{
FileSystem = this.fileSystem.Object
};
this.LocalConfiguration.AddImageFormatDetector(this.localMimeTypeDetector);
TestFormat.RegisterGlobalTestFormat();
this.Marker = Guid.NewGuid().ToByteArray();
this.DataStream = TestFormat.GlobalTestFormat.CreateStream(this.Marker);
this.FilePath = Guid.NewGuid().ToString();
this.fileSystem.Setup(x => x.OpenRead(this.FilePath)).Returns(this.DataStream);
TestFileSystem.RegisterGlobalTestFormat();
TestFileSystem.Global.AddFile(this.FilePath, this.DataStream);
}
protected ImageLoadTestBase()
{
this.returnImage = new Image <Rgba32>(1, 1);
this.localImageFormatMock = new Mock <IImageFormat>();
this.localDecoder = new Mock <IImageDecoder>();
this.localMimeTypeDetector = new MockImageFormatDetector(this.localImageFormatMock.Object);
this.localDecoder.Setup(x => x.Decode <Rgba32>(It.IsAny <Configuration>(), It.IsAny <Stream>()))
.Callback <Configuration, Stream>((c, s) =>
{
using (var ms = new MemoryStream())
{
s.CopyTo(ms);
this.DecodedData = ms.ToArray();
}
})
.Returns(this.returnImage);
this.LocalConfiguration = new Configuration
{
};
this.LocalConfiguration.ImageFormatsManager.AddImageFormatDetector(this.localMimeTypeDetector);
this.LocalConfiguration.ImageFormatsManager.SetDecoder(this.localImageFormatMock.Object, this.localDecoder.Object);
this.TopLevelConfiguration = new Configuration(this.TestFormat);
this.Marker = Guid.NewGuid().ToByteArray();
this.DataStream = this.TestFormat.CreateStream(this.Marker);
this.localFileSystemMock.Setup(x => x.OpenRead(this.MockFilePath)).Returns(this.DataStream);
this.topLevelFileSystem.AddFile(this.MockFilePath, this.DataStream);
this.LocalConfiguration.FileSystem = this.localFileSystemMock.Object;
this.TopLevelConfiguration.FileSystem = this.topLevelFileSystem;
}
/// <summary>
/// detects image type from binary data
/// </summary>
/// <param name="blob">must be supplied</param>
public async static Task <(int width, int height, string mimeType)> DetectImageType(this byte[] blob)
{
if (blob == null)
{
throw new ArgumentNullException(nameof(blob));
}
var config = new Configuration();
var formatsDetectionsWanted = new IImageFormatDetector[] { new JpegImageFormatDetector(), new PngImageFormatDetector(), new SixLabors.ImageSharp.Formats.Gif.GifImageFormatDetector(), new SixLabors.ImageSharp.Formats.Tga.TgaImageFormatDetector() };
var decodersWanted = new (IImageDecoder decoder, IImageFormat format)[] {
private static void ConfigureCodecs(
this Configuration cfg,
IImageFormat imageFormat,
IImageDecoder decoder,
IImageEncoder encoder,
IImageFormatDetector detector)
{
cfg.ImageFormatsManager.SetDecoder(imageFormat, decoder);
cfg.ImageFormatsManager.SetEncoder(imageFormat, encoder);
cfg.ImageFormatsManager.AddImageFormatDetector(detector);
}
protected ImageLoadTestBase()
{
this.localStreamReturnImageRgba32 = new Image <Rgba32>(1, 1);
this.localStreamReturnImageAgnostic = new Image <Bgra4444>(1, 1);
this.localImageInfoMock = new Mock <IImageInfo>();
this.localImageFormatMock = new Mock <IImageFormat>();
var detector = new Mock <IImageInfoDetector>();
detector.Setup(x => x.Identify(It.IsAny <Configuration>(), It.IsAny <Stream>())).Returns(this.localImageInfoMock.Object);
detector.Setup(x => x.IdentifyAsync(It.IsAny <Configuration>(), It.IsAny <Stream>(), It.IsAny <CancellationToken>())).ReturnsAsync(this.localImageInfoMock.Object);
this.localDecoder = detector.As <IImageDecoder>();
this.localDecoder.Setup(x => x.Decode <Rgba32>(It.IsAny <Configuration>(), It.IsAny <Stream>()))
.Callback <Configuration, Stream>((c, s) =>
{
using (var ms = new MemoryStream())
{
s.CopyTo(ms);
this.DecodedData = ms.ToArray();
}
})
.Returns(this.localStreamReturnImageRgba32);
this.localDecoder.Setup(x => x.Decode(It.IsAny <Configuration>(), It.IsAny <Stream>()))
.Callback <Configuration, Stream>((c, s) =>
{
using (var ms = new MemoryStream())
{
s.CopyTo(ms);
this.DecodedData = ms.ToArray();
}
})
.Returns(this.localStreamReturnImageAgnostic);
this.localMimeTypeDetector = new MockImageFormatDetector(this.localImageFormatMock.Object);
this.LocalConfiguration = new Configuration();
this.LocalConfiguration.ImageFormatsManager.AddImageFormatDetector(this.localMimeTypeDetector);
this.LocalConfiguration.ImageFormatsManager.SetDecoder(this.localImageFormatMock.Object, this.localDecoder.Object);
this.TopLevelConfiguration = new Configuration(this.TestFormat);
this.Marker = Guid.NewGuid().ToByteArray();
this.dataStreamLazy = new Lazy <Stream>(this.CreateStream);
Stream StreamFactory() => this.DataStream;
this.LocalFileSystemMock.Setup(x => x.OpenRead(this.MockFilePath)).Returns(StreamFactory);
this.topLevelFileSystem.AddFile(this.MockFilePath, StreamFactory);
this.LocalConfiguration.FileSystem = this.LocalFileSystemMock.Object;
this.TopLevelConfiguration.FileSystem = this.topLevelFileSystem;
}
/// <summary>
/// detects image type from binary data
/// </summary>
/// <param name="blob">must be supplied</param>
public async static Task <(int width, int height, string mimeType)> DetectImageType(this byte[] blob, CancellationToken cancellationToken = default)
{
if (blob == null)
{
throw new ArgumentNullException(nameof(blob));
}
if (blob.Length > 20000000)
{
return(0, 0, "application/octet");
}
var config = new Configuration();
var formatsDetectionsWanted = new IImageFormatDetector[] { new JpegImageFormatDetector(), new PngImageFormatDetector(), new SixLabors.ImageSharp.Formats.Gif.GifImageFormatDetector(), new SixLabors.ImageSharp.Formats.Tga.TgaImageFormatDetector() };
var decodersWanted = new (IImageDecoder decoder, IImageFormat format)[] {
public ImageSaveTests()
{
this.localImageFormat = new Mock <IImageFormat>();
this.localImageFormat.Setup(x => x.FileExtensions).Returns(new[] { "png" });
this.localMimeTypeDetector = new MockImageFormatDetector(this.localImageFormat.Object);
this.encoder = new Mock <IImageEncoder>();
this.encoderNotInFormat = new Mock <IImageEncoder>();
this.fileSystem = new Mock <IFileSystem>();
var config = new Configuration
{
FileSystem = this.fileSystem.Object
};
config.ImageFormatsManager.AddImageFormatDetector(this.localMimeTypeDetector);
config.ImageFormatsManager.SetEncoder(this.localImageFormat.Object, this.encoder.Object);
this.image = new Image <Rgba32>(config, 1, 1);
}
public ImageLoadTests()
{
this.returnImage = new Image <Rgba32>(1, 1);
this.localImageFormatMock = new Mock <IImageFormat>();
this.localDecoder = new Mock <IImageDecoder>();
this.localMimeTypeDetector = new MockImageFormatDetector(this.localImageFormatMock.Object);
this.localDecoder.Setup(x => x.Decode <Rgba32>(It.IsAny <Configuration>(), It.IsAny <Stream>()))
.Callback <Configuration, Stream>((c, s) =>
{
using (var ms = new MemoryStream())
{
s.CopyTo(ms);
this.DecodedData = ms.ToArray();
}
})
.Returns(this.returnImage);
this.fileSystem = new Mock <IFileSystem>();
this.LocalConfiguration = new Configuration
{
FileSystem = this.fileSystem.Object
};
this.LocalConfiguration.AddImageFormatDetector(this.localMimeTypeDetector);
this.LocalConfiguration.SetDecoder(this.localImageFormatMock.Object, this.localDecoder.Object);
TestFormat.RegisterGlobalTestFormat();
this.Marker = Guid.NewGuid().ToByteArray();
this.DataStream = TestFormat.GlobalTestFormat.CreateStream(this.Marker);
this.FilePath = Guid.NewGuid().ToString();
this.fileSystem.Setup(x => x.OpenRead(this.FilePath)).Returns(this.DataStream);
TestFileSystem.RegisterGlobalTestFormat();
TestFileSystem.Global.AddFile(this.FilePath, this.DataStream);
}
/// <summary>
/// Adds a new detector for detecting mime types.
/// </summary>
/// <param name="detector">The detector to add</param>
public void AddImageFormatDetector(IImageFormatDetector detector)
{
Guard.NotNull(detector, nameof(detector));
this.imageFormatDetectors.Add(detector);
this.SetMaxHeaderSize();
}
/// <summary>
/// Adds a new detector for detecting mime types.
/// </summary>
/// <param name="detector">The detector to add</param>
public void AddImageFormatDetector(IImageFormatDetector detector)
{
this.imageFormatDetectors.Add(detector);
this.MaxHeaderSize = this.imageFormatDetectors.Max(x => x.HeaderSize);
}
