/// <summary>
/// Initializes a new instance of the <see cref="FormattedImage"/> class.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="format">The format.</param>
/// <param name="keepOpen">Whether to keep the source image open upon disposing the <see cref="FormattedImage"/> object.</param>
private FormattedImage(Image image, IImageFormat format, bool keepOpen)
{
this.Image = image;
this.imageFormatsManager = image.GetConfiguration().ImageFormatsManager;
this.Format = format;
this.keepOpen = keepOpen;
}
/// <inheritdoc />
public IEnumerable <IDocument> Execute(IReadOnlyList <IDocument> inputs, IExecutionContext context)
{
ImageFormatManager formatManager = new ImageFormatManager();
return(inputs.SelectMany(context, input =>
{
FilePath relativePath = input.FilePath(Keys.RelativeFilePath);
return _operations
.SelectMany(operations =>
{
FilePath destinationPath = relativePath == null ? null : context.FileSystem.GetOutputPath(relativePath);
// Get the image
Image <Rgba32> image;
IImageFormat imageFormat;
using (Stream stream = input.GetStream())
{
image = SixLabors.ImageSharp.Image.Load(stream, out imageFormat);
}
// Mutate the image with the specified operations, if there are any
if (operations.Operations.Count > 0)
{
image.Mutate(imageContext =>
{
IImageProcessingContext <Rgba32> workingImageContext = imageContext;
foreach (IImageOperation operation in operations.Operations)
{
// Apply operation
workingImageContext = operation.Apply(workingImageContext);
// Modify the path
if (destinationPath != null)
{
destinationPath = operation.GetPath(destinationPath) ?? destinationPath;
}
}
});
}
// Invoke output actions
IEnumerable <OutputAction> outputActions = operations.OutputActions.Count == 0
? (IEnumerable <OutputAction>) new[] { new OutputAction((i, s) => i.Save(s, imageFormat), null) }
: operations.OutputActions;
return outputActions.Select(action =>
{
FilePath formatPath = action.GetPath(destinationPath) ?? destinationPath;
Trace.Verbose($"{Keys.WritePath}: {formatPath}");
MemoryStream outputStream = new MemoryStream();
action.Invoke(image, outputStream);
outputStream.Seek(0, SeekOrigin.Begin);
return context.GetDocument(input, outputStream, new MetadataItems
{
{ Keys.WritePath, formatPath }
});
});
});
}));
}
private static ImageFormatManager GetImageFormatManager()
{
var manager = new ImageFormatManager();
manager.AddImageFormat(JpegFormat.Instance);
manager.AddImageFormat(PngFormat.Instance);
return(manager);
}
public GravatarProvider(
IHttpClientFactory httpClientFactory,
ILogger <IAvatarProvider> logger,
ImageFormatManager imageFormatManager,
IImageResizer imageResizer)
{
_httpClientFactory = httpClientFactory ?? throw new ArgumentNullException(nameof(httpClientFactory));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_imageFormatManager = imageFormatManager ?? throw new ArgumentNullException(nameof(imageFormatManager));
_imageResizer = imageResizer ?? throw new ArgumentNullException(nameof(imageResizer));
}
public AzureDevOpsAvatarProvider(
IAzureDevOpsClient client,
IUserRepository userRepository,
ILogger <IAvatarProvider> logger,
ImageFormatManager imageFormatManager,
IImageResizer imageResizer)
{
_client = client;
_userRepository = userRepository ?? throw new ArgumentNullException(nameof(userRepository));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_imageFormatManager = imageFormatManager ?? throw new ArgumentNullException(nameof(imageFormatManager));
_imageResizer = imageResizer ?? throw new ArgumentNullException(nameof(imageResizer));
}
public static string UploadImage(IFormFile file, string path, string fileName, int width, int height, bool maintainAspectRatio = false)
{
string fileExtension = Path.GetExtension(file.FileName);
string fileNameWithExtension = fileName + fileExtension;
string pathWithFileName = Path.Combine(path, fileNameWithExtension);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
string[] files = Directory.GetFiles(path, fileName + ".*");
foreach (string item in files)
{
File.Delete(item);
}
if (file.Length > 0)
{
using (var stream = new FileStream(pathWithFileName, FileMode.Create))
{
using (Image <Rgba32> image = Image.Load(file.OpenReadStream()))
{
int destinationWidth = width;
int destinationHeight = height;
int originalWidth = image.Width;
int originalHeight = image.Height;
if (maintainAspectRatio && destinationWidth < originalWidth)
{
double ratio = 0;
ratio = (double)destinationWidth / (double)originalWidth;
destinationWidth = Convert.ToInt32(originalWidth * ratio);
destinationHeight = Convert.ToInt32(originalHeight * ratio);
}
image.Mutate(x => x.Resize(destinationWidth, destinationHeight));
ImageFormatManager imageFormatManager = new ImageFormatManager();
imageFormatManager.AddImageFormat(ImageFormats.Jpeg);
imageFormatManager.AddImageFormat(ImageFormats.Png);
image.Save(stream, imageFormatManager.FindFormatByFileExtension(fileExtension));
}
}
}
return(fileNameWithExtension);
}
public AzureDevOpsAvatarProvider(
IUserRepository userRepository,
ILogger <IAvatarProvider> logger,
IAzureDevOpsConfig config,
IHttpClientFactory httpClientFactory,
ImageFormatManager imageFormatManager,
IImageResizer imageResizer)
{
_userRepository = userRepository ?? throw new ArgumentNullException(nameof(userRepository));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_config = config ?? throw new ArgumentNullException(nameof(config));
_httpClientFactory = httpClientFactory ?? throw new ArgumentNullException(nameof(httpClientFactory));
_imageFormatManager = imageFormatManager ?? throw new ArgumentNullException(nameof(imageFormatManager));
_imageResizer = imageResizer ?? throw new ArgumentNullException(nameof(imageResizer));
}
private IImageEncoder ConvertFormat(TextureImageFormat format)
{
ImageFormatManager imageFormatManager = new ImageFormatManager();
IImageFormat imageFormat = null;
if (format == TextureImageFormat.image_jpeg)
{
imageFormat = imageFormatManager.FindFormatByFileExtension(".jpg");
}
else
{
imageFormat = imageFormatManager.FindFormatByFileExtension(".png");
}
return(imageFormatManager.FindEncoder(imageFormat));
}
/// <summary>
/// Initializes a new instance of the <see cref="FormattedImage"/> class.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="format">The format.</param>
internal FormattedImage(Image <Rgba32> image, IImageFormat format)
{
this.Image = image;
this.imageFormatsManager = image.GetConfiguration().ImageFormatsManager;
this.Format = format;
}
public ImageFormatManagerTests()
{
this.DefaultFormatsManager = Configuration.CreateDefaultInstance().ImageFormatsManager;
this.FormatsManagerEmpty = new ImageFormatManager();
}
public ImageFormatManagerTests()
{
this.DefaultFormatsManager = Configuration.Default.ImageFormatsManager;
this.FormatsManagerEmpty = new ImageFormatManager();
}
