public async Task <UploadResult> ProcessFile(
IFormFile formFile,
ImageProcessingOptions options,
bool?resizeImages,
int?maxWidth,
int?maxHeight,
string requestedVirtualPath = "",
string newFileName = "",
bool allowRootPath = true,
bool createThumbnail = false,
bool?keepOriginal = null
)
{
await EnsureProjectSettings().ConfigureAwait(false);
string currentFsPath = _rootPath.RootFileSystemPath;
string currentVirtualPath = _rootPath.RootVirtualPath;
string[] virtualSegments = options.ImageDefaultVirtualSubPath.Split('/');
bool doResize = resizeImages ?? options.AutoResize;
if ((!string.IsNullOrEmpty(requestedVirtualPath)) && (requestedVirtualPath.StartsWith(_rootPath.RootVirtualPath)))
{
var virtualSubPath = requestedVirtualPath.Substring(_rootPath.RootVirtualPath.Length);
var segments = virtualSubPath.Split('/');
if (segments.Length > 0)
{
var requestedFsPath = Path.Combine(_rootPath.RootFileSystemPath, Path.Combine(segments));
if (!Directory.Exists(requestedFsPath))
{
//_log.LogError("directory not found for currentPath " + requestedFsPath);
// user has file system permission and could manually create the needed folder so auto ensure
// since it is a sub path of the root
EnsureSubFolders(_rootPath.RootFileSystemPath, segments);
}
currentVirtualPath = requestedVirtualPath;
virtualSegments = segments;
currentFsPath = Path.Combine(currentFsPath, Path.Combine(virtualSegments));
}
}
else
{
// ensure the folders if no currentDir provided,
// if it is provided it must be an existing path
// options.ImageDefaultVirtualSubPath might not exist on first upload so need to ensure it
if (!allowRootPath)
{
currentVirtualPath = currentVirtualPath + options.ImageDefaultVirtualSubPath;
currentFsPath = Path.Combine(currentFsPath, Path.Combine(virtualSegments));
EnsureSubFolders(_rootPath.RootFileSystemPath, virtualSegments);
}
}
string newName;
if (!string.IsNullOrEmpty(newFileName))
{
newName = _nameRules.GetCleanFileName(newFileName);
}
else
{
newName = _nameRules.GetCleanFileName(Path.GetFileName(formFile.FileName));
}
var newUrl = currentVirtualPath + "/" + newName;
var fsPath = Path.Combine(currentFsPath, newName);
var ext = Path.GetExtension(newName);
var webSizeName = Path.GetFileNameWithoutExtension(newName) + "-ws" + ext;
string webUrl = currentVirtualPath + "/" + webSizeName;
var thumbSizeName = Path.GetFileNameWithoutExtension(newName) + "-thumb" + ext;
string thumbUrl = currentVirtualPath + "/" + thumbSizeName;
var didResize = false;
var didCreateThumb = false;
try
{
using (var stream = new FileStream(fsPath, FileMode.Create))
{
await formFile.CopyToAsync(stream);
}
var mimeType = GetMimeType(ext);
if ((doResize) && IsWebImageFile(ext))
{
int resizeWidth = GetMaxWidth(maxWidth, options);
int resizeHeight = GetMaxWidth(maxHeight, options);
didResize = _imageResizer.ResizeImage(
fsPath,
currentFsPath,
webSizeName,
mimeType,
resizeWidth,
resizeHeight,
options.AllowEnlargement,
options.ResizeQuality
);
}
if (createThumbnail)
{
didCreateThumb = _imageResizer.ResizeImage(
fsPath,
currentFsPath,
thumbSizeName,
mimeType,
options.ThumbnailImageMaxWidth,
options.ThumbnailImageMaxHeight,
false,
options.ResizeQuality
);
}
if (didResize)
{
if (keepOriginal.HasValue)
{
if (keepOriginal.Value == false)
{
File.Delete(fsPath);
newUrl = string.Empty;
}
}
else if (!options.KeepOriginalImages) // use default if not explcitely passed
{
File.Delete(fsPath);
newUrl = string.Empty;
}
}
}
catch (Exception ex)
{
_log.LogError($"{ex.Message}:{ex.StackTrace}");
return(new UploadResult
{
ErrorMessage = _sr["There was an error logged during file processing"]
});
}
return(new UploadResult
{
OriginalUrl = newUrl,
ResizedUrl = didResize ? webUrl : string.Empty,
ThumbUrl = didCreateThumb ? thumbUrl : string.Empty,
Name = newName,
Length = formFile.Length,
Type = formFile.ContentType
});
}
private Tuple <ImageSize, bool> GetNewImageSize(string originalImagePath, DateTime dateModified, ImageProcessingOptions options)
{
try
{
var originalImageSize = GetImageSize(originalImagePath, dateModified, true);
// Determine the output size based on incoming parameters
var newSize = DrawingUtils.Resize(originalImageSize, options.Width, options.Height, options.MaxWidth, options.MaxHeight);
return(new Tuple <ImageSize, bool>(newSize, !newSize.Equals(originalImageSize)));
}
catch
{
return(new Tuple <ImageSize, bool>(GetSizeEstimage(options), true));
}
}
public async Task <UploadResult> CropFile(
ImageProcessingOptions options,
string sourceFilePath,
int offsetX,
int offsetY,
int widthToCrop,
int heightToCrop,
int finalWidth,
int finalHeight
)
{
if (string.IsNullOrWhiteSpace(sourceFilePath))
{
_log.LogError($"sourceFilePath not provided for crop");
return(new UploadResult
{
ErrorMessage = _sr["There was an error logged during file processing"]
});
}
await EnsureProjectSettings().ConfigureAwait(false);
string currentFsPath = _rootPath.RootFileSystemPath;
string currentVirtualPath = _rootPath.RootVirtualPath;
string[] virtualSegments = options.ImageDefaultVirtualSubPath.Split('/');
if (!sourceFilePath.StartsWith(_rootPath.RootVirtualPath))
{
_log.LogError($"{sourceFilePath} not a sub path of root path {_rootPath.RootVirtualPath}");
return(new UploadResult
{
ErrorMessage = _sr["There was an error logged during file processing"]
});
}
var fileToCropName = Path.GetFileName(sourceFilePath);
var fileToCropNameWithooutExtenstion = Path.GetFileNameWithoutExtension(sourceFilePath);
var ext = Path.GetExtension(sourceFilePath);
var mimeType = GetMimeType(ext);
var isImage = IsWebImageFile(ext);
if (!isImage)
{
_log.LogError($"{sourceFilePath} is not not an image file");
return(new UploadResult
{
ErrorMessage = _sr["There was an error logged during file processing"]
});
}
var fileToCropFolderVPath = sourceFilePath.Replace(fileToCropName, "");
var virtualSubPath = fileToCropFolderVPath.Substring(_rootPath.RootVirtualPath.Length);
var segments = virtualSubPath.Split('/');
if (segments.Length <= 0)
{
_log.LogError($"{sourceFilePath} not found");
return(new UploadResult
{
ErrorMessage = _sr["There was an error logged during file processing"]
});
}
var requestedFsPath = Path.Combine(_rootPath.RootFileSystemPath, Path.Combine(segments));
if (!Directory.Exists(requestedFsPath))
{
_log.LogError("directory not found for currentPath " + requestedFsPath);
return(new UploadResult
{
ErrorMessage = _sr["There was an error logged during file processing"]
});
}
currentVirtualPath = virtualSubPath;
virtualSegments = segments;
currentFsPath = Path.Combine(currentFsPath, Path.Combine(virtualSegments));
var sourceFsPath = Path.Combine(currentFsPath, fileToCropName);
var cropNameSegment = "-crop";
int previousCropCount = 0;
var targetFsPath = Path.Combine(currentFsPath, fileToCropNameWithooutExtenstion + cropNameSegment + ext);
while (File.Exists(targetFsPath))
{
previousCropCount += 1;
targetFsPath = Path.Combine(currentFsPath, fileToCropNameWithooutExtenstion + cropNameSegment + previousCropCount.ToString() + ext);
}
;
var didCrop = _imageResizer.CropExistingImage(
sourceFsPath,
targetFsPath,
offsetX,
offsetY,
widthToCrop,
heightToCrop,
finalWidth,
finalHeight
);
if (!didCrop)
{
_log.LogError($"failed to crop image {requestedFsPath}");
return(new UploadResult
{
ErrorMessage = _sr["There was an error logged during file processing"]
});
}
return(new UploadResult
{
OriginalUrl = sourceFilePath,
ResizedUrl = currentVirtualPath + Path.GetFileName(targetFsPath)
});
}
/// <summary>
/// Draws the indicator.
/// </summary>
/// <param name="graphics">The graphics.</param>
/// <param name="imageWidth">Width of the image.</param>
/// <param name="imageHeight">Height of the image.</param>
/// <param name="options">The options.</param>
private void DrawIndicator(Graphics graphics, int imageWidth, int imageHeight, ImageProcessingOptions options)
{
if (!options.AddPlayedIndicator && !options.UnplayedCount.HasValue && options.PercentPlayed.Equals(0))
{
return;
}
try
{
if (options.AddPlayedIndicator)
{
var currentImageSize = new Size(imageWidth, imageHeight);
new PlayedIndicatorDrawer().DrawPlayedIndicator(graphics, currentImageSize);
}
else if (options.UnplayedCount.HasValue)
{
var currentImageSize = new Size(imageWidth, imageHeight);
new UnplayedCountIndicator().DrawUnplayedCountIndicator(graphics, currentImageSize, options.UnplayedCount.Value);
}
if (options.PercentPlayed > 0)
{
var currentImageSize = new Size(imageWidth, imageHeight);
new PercentPlayedDrawer().Process(graphics, currentImageSize, options.PercentPlayed);
}
}
catch (Exception ex)
{
_logger.ErrorException("Error drawing indicator overlay", ex);
}
}
public async Task <Tuple <string, string> > ProcessImage(ImageProcessingOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
var originalImage = options.Image;
if (!originalImage.IsLocalFile)
{
originalImage = await _libraryManager().ConvertImageToLocal(options.Item, originalImage, options.ImageIndex).ConfigureAwait(false);
}
var originalImagePath = originalImage.Path;
if (!_imageEncoder.SupportsImageEncoding)
{
return(new Tuple <string, string>(originalImagePath, MimeTypes.GetMimeType(originalImagePath)));
}
var dateModified = originalImage.DateModified;
if (options.CropWhiteSpace && _imageEncoder.SupportsImageEncoding)
{
var tuple = await GetWhitespaceCroppedImage(originalImagePath, dateModified).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
if (options.Enhancers.Count > 0)
{
var tuple = await GetEnhancedImage(new ItemImageInfo
{
DateModified = dateModified,
Type = originalImage.Type,
Path = originalImagePath
}, options.Item, options.ImageIndex, options.Enhancers).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
if (options.HasDefaultOptions(originalImagePath))
{
// Just spit out the original file if all the options are default
return(new Tuple <string, string>(originalImagePath, MimeTypes.GetMimeType(originalImagePath)));
}
ImageSize?originalImageSize;
try
{
originalImageSize = GetImageSize(originalImagePath, dateModified, true);
if (options.HasDefaultOptions(originalImagePath, originalImageSize.Value))
{
// Just spit out the original file if all the options are default
return(new Tuple <string, string>(originalImagePath, MimeTypes.GetMimeType(originalImagePath)));
}
}
catch
{
originalImageSize = null;
}
var newSize = GetNewImageSize(options, originalImageSize);
var quality = options.Quality;
var outputFormat = GetOutputFormat(options.SupportedOutputFormats[0]);
var cacheFilePath = GetCacheFilePath(originalImagePath, newSize, quality, dateModified, outputFormat, options.AddPlayedIndicator, options.PercentPlayed, options.UnplayedCount, options.BackgroundColor, options.ForegroundLayer);
var semaphore = GetLock(cacheFilePath);
await semaphore.WaitAsync().ConfigureAwait(false);
var imageProcessingLockTaken = false;
try
{
CheckDisposed();
if (!_fileSystem.FileExists(cacheFilePath))
{
var newWidth = Convert.ToInt32(newSize.Width);
var newHeight = Convert.ToInt32(newSize.Height);
_fileSystem.CreateDirectory(Path.GetDirectoryName(cacheFilePath));
await _imageProcessingSemaphore.WaitAsync().ConfigureAwait(false);
imageProcessingLockTaken = true;
_imageEncoder.EncodeImage(originalImagePath, cacheFilePath, AutoOrient(options.Item), newWidth, newHeight, quality, options, outputFormat);
}
return(new Tuple <string, string>(cacheFilePath, GetMimeType(outputFormat, cacheFilePath)));
}
catch (Exception ex)
{
// If it fails for whatever reason, return the original image
_logger.ErrorException("Error encoding image", ex);
// Just spit out the original file if all the options are default
return(new Tuple <string, string>(originalImagePath, MimeTypes.GetMimeType(originalImagePath)));
}
finally
{
if (imageProcessingLockTaken)
{
_imageProcessingSemaphore.Release();
}
semaphore.Release();
}
}
/// <inheritdoc />
public string EncodeImage(string inputPath, DateTime dateModified, string outputPath, bool autoOrient, ImageOrientation?orientation, int quality, ImageProcessingOptions options, ImageFormat outputFormat)
{
throw new NotImplementedException();
}
public async Task <Tuple <string, string, DateTime> > ProcessImage(ImageProcessingOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
var originalImage = options.Image;
IHasMetadata item = options.Item;
if (!originalImage.IsLocalFile)
{
if (item == null)
{
item = _libraryManager().GetItemById(options.ItemId);
}
originalImage = await _libraryManager().ConvertImageToLocal(item, originalImage, options.ImageIndex).ConfigureAwait(false);
}
var originalImagePath = originalImage.Path;
var dateModified = originalImage.DateModified;
if (!_imageEncoder.SupportsImageEncoding)
{
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
var supportedImageInfo = await GetSupportedImage(originalImagePath, dateModified).ConfigureAwait(false);
originalImagePath = supportedImageInfo.Item1;
dateModified = supportedImageInfo.Item2;
var requiresTransparency = TransparentImageTypes.Contains(Path.GetExtension(originalImagePath) ?? string.Empty);
if (options.Enhancers.Count > 0)
{
if (item == null)
{
item = _libraryManager().GetItemById(options.ItemId);
}
var tuple = await GetEnhancedImage(new ItemImageInfo
{
DateModified = dateModified,
Type = originalImage.Type,
Path = originalImagePath
}, requiresTransparency, item, options.ImageIndex, options.Enhancers).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
requiresTransparency = tuple.Item3;
}
var photo = item as Photo;
var autoOrient = false;
ImageOrientation?orientation = null;
if (photo != null && photo.Orientation.HasValue && photo.Orientation.Value != ImageOrientation.TopLeft)
{
autoOrient = true;
orientation = photo.Orientation;
}
if (options.HasDefaultOptions(originalImagePath) && (!autoOrient || !options.RequiresAutoOrientation))
{
// Just spit out the original file if all the options are default
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
//ImageSize? originalImageSize = GetSavedImageSize(originalImagePath, dateModified);
//if (originalImageSize.HasValue && options.HasDefaultOptions(originalImagePath, originalImageSize.Value) && !autoOrient)
//{
// // Just spit out the original file if all the options are default
// _logger.Info("Returning original image {0}", originalImagePath);
// return new Tuple<string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
//}
var newSize = ImageHelper.GetNewImageSize(options, null);
var quality = options.Quality;
var outputFormat = GetOutputFormat(options.SupportedOutputFormats, requiresTransparency);
var cacheFilePath = GetCacheFilePath(originalImagePath, newSize, quality, dateModified, outputFormat, options.AddPlayedIndicator, options.PercentPlayed, options.UnplayedCount, options.Blur, options.BackgroundColor, options.ForegroundLayer);
try
{
CheckDisposed();
if (!_fileSystem.FileExists(cacheFilePath))
{
var tmpPath = Path.ChangeExtension(Path.Combine(_appPaths.TempDirectory, Guid.NewGuid().ToString("N")), Path.GetExtension(cacheFilePath));
_fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(tmpPath));
if (options.CropWhiteSpace && !SupportsTransparency(originalImagePath))
{
options.CropWhiteSpace = false;
}
var resultPath = _imageEncoder.EncodeImage(originalImagePath, dateModified, tmpPath, autoOrient, orientation, quality, options, outputFormat);
if (string.Equals(resultPath, originalImagePath, StringComparison.OrdinalIgnoreCase))
{
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
_fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(cacheFilePath));
CopyFile(tmpPath, cacheFilePath);
return(new Tuple <string, string, DateTime>(tmpPath, GetMimeType(outputFormat, cacheFilePath), _fileSystem.GetLastWriteTimeUtc(tmpPath)));
}
return(new Tuple <string, string, DateTime>(cacheFilePath, GetMimeType(outputFormat, cacheFilePath), _fileSystem.GetLastWriteTimeUtc(cacheFilePath)));
}
catch (ArgumentOutOfRangeException ex)
{
// Decoder failed to decode it
#if DEBUG
_logger.ErrorException("Error encoding image", ex);
#endif
// Just spit out the original file if all the options are default
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
catch (Exception ex)
{
// If it fails for whatever reason, return the original image
_logger.ErrorException("Error encoding image", ex);
// Just spit out the original file if all the options are default
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
}
public string EncodeImage(string inputPath, DateTime dateModified, string outputPath, bool autoOrient, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
if (string.IsNullOrWhiteSpace(inputPath))
{
throw new ArgumentNullException("inputPath");
}
if (string.IsNullOrWhiteSpace(inputPath))
{
throw new ArgumentNullException("outputPath");
}
var skiaOutputFormat = GetImageFormat(selectedOutputFormat);
var hasBackgroundColor = !string.IsNullOrWhiteSpace(options.BackgroundColor);
var hasForegroundColor = !string.IsNullOrWhiteSpace(options.ForegroundLayer);
var blur = options.Blur ?? 0;
var hasIndicator = options.AddPlayedIndicator || options.UnplayedCount.HasValue || !options.PercentPlayed.Equals(0);
using (var bitmap = GetBitmap(inputPath, options.CropWhiteSpace))
{
if (bitmap == null)
{
throw new Exception(string.Format("Skia unable to read image {0}", inputPath));
}
//_logger.Info("Color type {0}", bitmap.Info.ColorType);
var originalImageSize = new ImageSize(bitmap.Width, bitmap.Height);
ImageHelper.SaveImageSize(inputPath, dateModified, originalImageSize);
if (!options.CropWhiteSpace && options.HasDefaultOptions(inputPath, originalImageSize))
{
// Just spit out the original file if all the options are default
return(inputPath);
}
var newImageSize = ImageHelper.GetNewImageSize(options, originalImageSize);
var width = Convert.ToInt32(Math.Round(newImageSize.Width));
var height = Convert.ToInt32(Math.Round(newImageSize.Height));
using (var resizedBitmap = new SKBitmap(width, height))//, bitmap.ColorType, bitmap.AlphaType))
{
// scale image
var resizeMethod = SKBitmapResizeMethod.Lanczos3;
bitmap.Resize(resizedBitmap, resizeMethod);
// If all we're doing is resizing then we can stop now
if (!hasBackgroundColor && !hasForegroundColor && blur == 0 && !hasIndicator)
{
using (var outputStream = new SKFileWStream(outputPath))
{
resizedBitmap.Encode(outputStream, skiaOutputFormat, quality);
return(outputPath);
}
}
// create bitmap to use for canvas drawing
using (var saveBitmap = new SKBitmap(width, height))//, bitmap.ColorType, bitmap.AlphaType))
{
// create canvas used to draw into bitmap
using (var canvas = new SKCanvas(saveBitmap))
{
// set background color if present
if (hasBackgroundColor)
{
canvas.Clear(SKColor.Parse(options.BackgroundColor));
}
// Add blur if option is present
if (blur > 0)
{
using (var paint = new SKPaint())
{
// create image from resized bitmap to apply blur
using (var filter = SKImageFilter.CreateBlur(blur, blur))
{
paint.ImageFilter = filter;
canvas.DrawBitmap(resizedBitmap, SKRect.Create(width, height), paint);
}
}
}
else
{
// draw resized bitmap onto canvas
canvas.DrawBitmap(resizedBitmap, SKRect.Create(width, height));
}
// If foreground layer present then draw
if (hasForegroundColor)
{
Double opacity;
if (!Double.TryParse(options.ForegroundLayer, out opacity))
{
opacity = .4;
}
canvas.DrawColor(new SKColor(0, 0, 0, (Byte)((1 - opacity) * 0xFF)), SKBlendMode.SrcOver);
}
if (hasIndicator)
{
DrawIndicator(canvas, width, height, options);
}
using (var outputStream = new SKFileWStream(outputPath))
{
saveBitmap.Encode(outputStream, skiaOutputFormat, quality);
}
}
}
}
}
return(outputPath);
}
/// <summary>
/// Draws the indicator.
/// </summary>
/// <param name="graphics">The graphics.</param>
/// <param name="imageWidth">Width of the image.</param>
/// <param name="imageHeight">Height of the image.</param>
/// <param name="options">The options.</param>
private void DrawIndicator(Graphics graphics, int imageWidth, int imageHeight, ImageProcessingOptions options)
{
if (!options.AddPlayedIndicator && !options.PercentPlayed.HasValue)
{
return;
}
try
{
var percentOffset = 0;
if (options.AddPlayedIndicator)
{
var currentImageSize = new Size(imageWidth, imageHeight);
new WatchedIndicatorDrawer().Process(graphics, currentImageSize);
percentOffset = 0 - WatchedIndicatorDrawer.IndicatorWidth;
}
if (options.PercentPlayed.HasValue)
{
var currentImageSize = new Size(imageWidth, imageHeight);
new PercentPlayedDrawer().Process(graphics, currentImageSize, options.PercentPlayed.Value, percentOffset);
}
}
catch (Exception ex)
{
_logger.ErrorException("Error drawing indicator overlay", ex);
}
}
public void EncodeImage(string inputPath, string outputPath, int width, int height, int quality, ImageProcessingOptions options)
{
throw new NotImplementedException();
}
public async Task <string> ProcessImage(ImageProcessingOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
var originalImagePath = options.Image.Path;
if (options.HasDefaultOptions(originalImagePath) && options.Enhancers.Count == 0 && !options.CropWhiteSpace)
{
// Just spit out the original file if all the options are default
return(originalImagePath);
}
var dateModified = options.Image.DateModified;
if (options.CropWhiteSpace)
{
var tuple = await GetWhitespaceCroppedImage(originalImagePath, dateModified).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
if (options.Enhancers.Count > 0)
{
var tuple = await GetEnhancedImage(options.Image, options.Item, options.ImageIndex, options.Enhancers).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
var originalImageSize = GetImageSize(originalImagePath, dateModified);
// Determine the output size based on incoming parameters
var newSize = DrawingUtils.Resize(originalImageSize, options.Width, options.Height, options.MaxWidth, options.MaxHeight);
if (options.HasDefaultOptionsWithoutSize(originalImagePath) && newSize.Equals(originalImageSize) && options.Enhancers.Count == 0)
{
// Just spit out the original file if the new size equals the old
return(originalImagePath);
}
var quality = options.Quality ?? 90;
var cacheFilePath = GetCacheFilePath(originalImagePath, newSize, quality, dateModified, options.OutputFormat, options.AddPlayedIndicator, options.PercentPlayed, options.UnplayedCount, options.BackgroundColor);
var semaphore = GetLock(cacheFilePath);
await semaphore.WaitAsync().ConfigureAwait(false);
// Check again in case of lock contention
try
{
if (File.Exists(cacheFilePath))
{
semaphore.Release();
return(cacheFilePath);
}
}
catch
{
semaphore.Release();
throw;
}
try
{
var hasPostProcessing = !string.IsNullOrEmpty(options.BackgroundColor) || options.UnplayedCount.HasValue || options.AddPlayedIndicator || options.PercentPlayed > 0;
using (var fileStream = _fileSystem.GetFileStream(originalImagePath, FileMode.Open, FileAccess.Read, FileShare.Read, true))
{
// Copy to memory stream to avoid Image locking file
using (var memoryStream = new MemoryStream())
{
await fileStream.CopyToAsync(memoryStream).ConfigureAwait(false);
using (var originalImage = Image.FromStream(memoryStream, true, false))
{
var newWidth = Convert.ToInt32(newSize.Width);
var newHeight = Convert.ToInt32(newSize.Height);
var selectedOutputFormat = options.OutputFormat;
_logger.Debug("Processing image to {0}", selectedOutputFormat);
// Graphics.FromImage will throw an exception if the PixelFormat is Indexed, so we need to handle that here
// Also, Webp only supports Format32bppArgb and Format32bppRgb
var pixelFormat = selectedOutputFormat == Model.Drawing.ImageFormat.Webp
? PixelFormat.Format32bppArgb
: PixelFormat.Format32bppPArgb;
using (var thumbnail = new Bitmap(newWidth, newHeight, pixelFormat))
{
// Mono throw an exeception if assign 0 to SetResolution
if (originalImage.HorizontalResolution > 0 && originalImage.VerticalResolution > 0)
{
// Preserve the original resolution
thumbnail.SetResolution(originalImage.HorizontalResolution, originalImage.VerticalResolution);
}
using (var thumbnailGraph = Graphics.FromImage(thumbnail))
{
thumbnailGraph.CompositingQuality = CompositingQuality.HighQuality;
thumbnailGraph.SmoothingMode = SmoothingMode.HighQuality;
thumbnailGraph.InterpolationMode = InterpolationMode.HighQualityBicubic;
thumbnailGraph.PixelOffsetMode = PixelOffsetMode.HighQuality;
thumbnailGraph.CompositingMode = !hasPostProcessing ?
CompositingMode.SourceCopy :
CompositingMode.SourceOver;
SetBackgroundColor(thumbnailGraph, options);
thumbnailGraph.DrawImage(originalImage, 0, 0, newWidth, newHeight);
DrawIndicator(thumbnailGraph, newWidth, newHeight, options);
var outputFormat = GetOutputFormat(originalImage, selectedOutputFormat);
Directory.CreateDirectory(Path.GetDirectoryName(cacheFilePath));
// Save to the cache location
using (var cacheFileStream = _fileSystem.GetFileStream(cacheFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, false))
{
if (selectedOutputFormat == Model.Drawing.ImageFormat.Webp)
{
SaveToWebP(thumbnail, cacheFileStream, quality);
}
else
{
// Save to the memory stream
thumbnail.Save(outputFormat, cacheFileStream, quality);
}
}
return(cacheFilePath);
}
}
}
}
}
}
finally
{
semaphore.Release();
}
}
public async Task <Tuple <string, string, DateTime> > ProcessImage(ImageProcessingOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
var originalImage = options.Image;
IHasImages item = options.Item;
if (!originalImage.IsLocalFile)
{
if (item == null)
{
item = _libraryManager().GetItemById(options.ItemId);
}
originalImage = await _libraryManager().ConvertImageToLocal(item, originalImage, options.ImageIndex).ConfigureAwait(false);
}
var originalImagePath = originalImage.Path;
var dateModified = originalImage.DateModified;
if (!_imageEncoder.SupportsImageEncoding)
{
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
if (options.Enhancers.Count > 0)
{
if (item == null)
{
item = _libraryManager().GetItemById(options.ItemId);
}
var tuple = await GetEnhancedImage(new ItemImageInfo
{
DateModified = dateModified,
Type = originalImage.Type,
Path = originalImagePath
}, item, options.ImageIndex, options.Enhancers).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
if (options.HasDefaultOptions(originalImagePath))
{
// Just spit out the original file if all the options are default
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
ImageSize?originalImageSize = GetSavedImageSize(originalImagePath, dateModified);
if (originalImageSize.HasValue && options.HasDefaultOptions(originalImagePath, originalImageSize.Value))
{
// Just spit out the original file if all the options are default
_logger.Info("Returning original image {0}", originalImagePath);
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
var newSize = ImageHelper.GetNewImageSize(options, originalImageSize);
var quality = options.Quality;
var outputFormat = GetOutputFormat(options.SupportedOutputFormats[0]);
var cacheFilePath = GetCacheFilePath(originalImagePath, newSize, quality, dateModified, outputFormat, options.AddPlayedIndicator, options.PercentPlayed, options.UnplayedCount, options.Blur, options.BackgroundColor, options.ForegroundLayer);
try
{
CheckDisposed();
if (!_fileSystem.FileExists(cacheFilePath))
{
_fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(cacheFilePath));
var tmpPath = Path.ChangeExtension(Path.Combine(_appPaths.TempDirectory, Guid.NewGuid().ToString("N")), Path.GetExtension(cacheFilePath));
_fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(tmpPath));
if (item == null && string.Equals(options.ItemType, typeof(Photo).Name, StringComparison.OrdinalIgnoreCase))
{
item = _libraryManager().GetItemById(options.ItemId);
}
var resultPath = _imageEncoder.EncodeImage(originalImagePath, dateModified, tmpPath, AutoOrient(item), quality, options, outputFormat);
if (string.Equals(resultPath, originalImagePath, StringComparison.OrdinalIgnoreCase))
{
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
CopyFile(tmpPath, cacheFilePath);
return(new Tuple <string, string, DateTime>(tmpPath, GetMimeType(outputFormat, cacheFilePath), _fileSystem.GetLastWriteTimeUtc(tmpPath)));
}
return(new Tuple <string, string, DateTime>(cacheFilePath, GetMimeType(outputFormat, cacheFilePath), _fileSystem.GetLastWriteTimeUtc(cacheFilePath)));
}
catch (Exception ex)
{
// If it fails for whatever reason, return the original image
_logger.ErrorException("Error encoding image", ex);
// Just spit out the original file if all the options are default
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
}
public void EncodeImage(string inputPath, string outputPath, bool autoOrient, int width, int height, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
throw new NotImplementedException();
}
public void EncodeImage(string inputPath, ImageSize?originalImageSize, string outputPath, bool autoOrient, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
using (var originalImage = GetImage(inputPath, options.CropWhiteSpace))
{
if (options.CropWhiteSpace || !originalImageSize.HasValue)
{
originalImageSize = new ImageSize(originalImage.Width, originalImage.Height);
}
var newImageSize = ImageHelper.GetNewImageSize(options, originalImageSize);
var newWidth = Convert.ToInt32(Math.Round(newImageSize.Width));
var newHeight = Convert.ToInt32(Math.Round(newImageSize.Height));
// Graphics.FromImage will throw an exception if the PixelFormat is Indexed, so we need to handle that here
// Also, Webp only supports Format32bppArgb and Format32bppRgb
var pixelFormat = selectedOutputFormat == ImageFormat.Webp
? PixelFormat.Format32bppArgb
: PixelFormat.Format32bppPArgb;
using (var thumbnail = new Bitmap(newWidth, newHeight, pixelFormat))
{
// Mono throw an exeception if assign 0 to SetResolution
if (originalImage.HorizontalResolution > 0 && originalImage.VerticalResolution > 0)
{
// Preserve the original resolution
thumbnail.SetResolution(originalImage.HorizontalResolution, originalImage.VerticalResolution);
}
using (var thumbnailGraph = Graphics.FromImage(thumbnail))
{
thumbnailGraph.CompositingQuality = CompositingQuality.HighQuality;
thumbnailGraph.SmoothingMode = SmoothingMode.HighQuality;
thumbnailGraph.InterpolationMode = InterpolationMode.HighQualityBicubic;
thumbnailGraph.PixelOffsetMode = PixelOffsetMode.HighQuality;
// SourceCopy causes the image to be blank in OSX
//thumbnailGraph.CompositingMode = !hasPostProcessing ?
// CompositingMode.SourceCopy :
// CompositingMode.SourceOver;
SetBackgroundColor(thumbnailGraph, options);
thumbnailGraph.DrawImage(originalImage, 0, 0, newWidth, newHeight);
DrawIndicator(thumbnailGraph, newWidth, newHeight, options);
var outputFormat = GetOutputFormat(originalImage, selectedOutputFormat);
// Save to the cache location
using (var cacheFileStream = _fileSystem.GetFileStream(outputPath, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, false))
{
// Save to the memory stream
thumbnail.Save(outputFormat, cacheFileStream, quality);
}
}
}
}
}
public string EncodeImage(string inputPath, DateTime dateModified, string outputPath, bool autoOrient, ImageOrientation?orientation, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
// Even if the caller specified 100, don't use it because it takes forever
quality = Math.Min(quality, 99);
if (string.IsNullOrWhiteSpace(options.BackgroundColor) || !HasTransparency(inputPath))
{
using (var originalImage = new MagickWand(inputPath))
{
if (options.CropWhiteSpace)
{
originalImage.CurrentImage.TrimImage(10);
}
var originalImageSize = new ImageSize(originalImage.CurrentImage.Width, originalImage.CurrentImage.Height);
if (!options.CropWhiteSpace && options.HasDefaultOptions(inputPath, originalImageSize))
{
// Just spit out the original file if all the options are default
return(inputPath);
}
var newImageSize = ImageHelper.GetNewImageSize(options, originalImageSize);
var width = Convert.ToInt32(Math.Round(newImageSize.Width));
var height = Convert.ToInt32(Math.Round(newImageSize.Height));
ScaleImage(originalImage, width, height, options.Blur ?? 0);
if (autoOrient)
{
AutoOrientImage(originalImage);
}
AddForegroundLayer(originalImage, options);
DrawIndicator(originalImage, width, height, options);
originalImage.CurrentImage.CompressionQuality = quality;
originalImage.CurrentImage.StripImage();
originalImage.SaveImage(outputPath);
}
}
else
{
using (var originalImage = new MagickWand(inputPath))
{
var originalImageSize = new ImageSize(originalImage.CurrentImage.Width, originalImage.CurrentImage.Height);
var newImageSize = ImageHelper.GetNewImageSize(options, originalImageSize);
var width = Convert.ToInt32(Math.Round(newImageSize.Width));
var height = Convert.ToInt32(Math.Round(newImageSize.Height));
using (var wand = new MagickWand(width, height, options.BackgroundColor))
{
ScaleImage(originalImage, width, height, options.Blur ?? 0);
if (autoOrient)
{
AutoOrientImage(originalImage);
}
wand.CurrentImage.CompositeImage(originalImage, CompositeOperator.OverCompositeOp, 0, 0);
AddForegroundLayer(wand, options);
DrawIndicator(wand, width, height, options);
wand.CurrentImage.CompressionQuality = quality;
wand.CurrentImage.StripImage();
wand.SaveImage(outputPath);
}
}
}
return(outputPath);
}
public async Task ProcessImage(ImageProcessingOptions options, Stream toStream)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
if (toStream == null)
{
throw new ArgumentNullException("toStream");
}
var originalImagePath = options.OriginalImagePath;
if (options.HasDefaultOptions() && options.Enhancers.Count == 0 && !options.CropWhiteSpace)
{
// Just spit out the original file if all the options are default
using (var fileStream = _fileSystem.GetFileStream(originalImagePath, FileMode.Open, FileAccess.Read, FileShare.Read, true))
{
await fileStream.CopyToAsync(toStream).ConfigureAwait(false);
return;
}
}
var dateModified = options.OriginalImageDateModified;
if (options.CropWhiteSpace)
{
var tuple = await GetWhitespaceCroppedImage(originalImagePath, dateModified).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
if (options.Enhancers.Count > 0)
{
var tuple = await GetEnhancedImage(originalImagePath, dateModified, options.Item, options.ImageType, options.ImageIndex, options.Enhancers).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
var originalImageSize = GetImageSize(originalImagePath, dateModified);
// Determine the output size based on incoming parameters
var newSize = DrawingUtils.Resize(originalImageSize, options.Width, options.Height, options.MaxWidth, options.MaxHeight);
if (options.HasDefaultOptionsWithoutSize() && newSize.Equals(originalImageSize) && options.Enhancers.Count == 0)
{
// Just spit out the original file if the new size equals the old
using (var fileStream = _fileSystem.GetFileStream(originalImagePath, FileMode.Open, FileAccess.Read, FileShare.Read, true))
{
await fileStream.CopyToAsync(toStream).ConfigureAwait(false);
return;
}
}
var quality = options.Quality ?? 90;
var cacheFilePath = GetCacheFilePath(originalImagePath, newSize, quality, dateModified, options.OutputFormat, options.AddPlayedIndicator, options.PercentPlayed, options.UnplayedCount, options.BackgroundColor);
try
{
using (var fileStream = _fileSystem.GetFileStream(cacheFilePath, FileMode.Open, FileAccess.Read, FileShare.Read, true))
{
await fileStream.CopyToAsync(toStream).ConfigureAwait(false);
return;
}
}
catch (IOException)
{
// Cache file doesn't exist or is currently being written to
}
var semaphore = GetLock(cacheFilePath);
await semaphore.WaitAsync().ConfigureAwait(false);
// Check again in case of lock contention
try
{
using (var fileStream = _fileSystem.GetFileStream(cacheFilePath, FileMode.Open, FileAccess.Read, FileShare.Read, true))
{
await fileStream.CopyToAsync(toStream).ConfigureAwait(false);
semaphore.Release();
return;
}
}
catch (IOException)
{
// Cache file doesn't exist or is currently being written to
}
catch
{
semaphore.Release();
throw;
}
try
{
var hasPostProcessing = !string.IsNullOrEmpty(options.BackgroundColor) || options.UnplayedCount.HasValue || options.AddPlayedIndicator || options.PercentPlayed.HasValue;
//if (!hasPostProcessing)
//{
// using (var outputStream = await _mediaEncoder.EncodeImage(new ImageEncodingOptions
// {
// InputPath = originalImagePath,
// MaxHeight = options.MaxHeight,
// MaxWidth = options.MaxWidth,
// Height = options.Height,
// Width = options.Width,
// Quality = options.Quality,
// Format = options.OutputFormat == ImageOutputFormat.Original ? Path.GetExtension(originalImagePath).TrimStart('.') : options.OutputFormat.ToString().ToLower()
// }, CancellationToken.None).ConfigureAwait(false))
// {
// using (var outputMemoryStream = new MemoryStream())
// {
// // Save to the memory stream
// await outputStream.CopyToAsync(outputMemoryStream).ConfigureAwait(false);
// var bytes = outputMemoryStream.ToArray();
// await toStream.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
// // kick off a task to cache the result
// await CacheResizedImage(cacheFilePath, bytes).ConfigureAwait(false);
// }
// return;
// }
//}
using (var fileStream = _fileSystem.GetFileStream(originalImagePath, FileMode.Open, FileAccess.Read, FileShare.Read, true))
{
// Copy to memory stream to avoid Image locking file
using (var memoryStream = new MemoryStream())
{
await fileStream.CopyToAsync(memoryStream).ConfigureAwait(false);
using (var originalImage = Image.FromStream(memoryStream, true, false))
{
var newWidth = Convert.ToInt32(newSize.Width);
var newHeight = Convert.ToInt32(newSize.Height);
// Graphics.FromImage will throw an exception if the PixelFormat is Indexed, so we need to handle that here
using (var thumbnail = new Bitmap(newWidth, newHeight, PixelFormat.Format32bppPArgb))
{
// Mono throw an exeception if assign 0 to SetResolution
if (originalImage.HorizontalResolution > 0 && originalImage.VerticalResolution > 0)
{
// Preserve the original resolution
thumbnail.SetResolution(originalImage.HorizontalResolution, originalImage.VerticalResolution);
}
using (var thumbnailGraph = Graphics.FromImage(thumbnail))
{
thumbnailGraph.CompositingQuality = CompositingQuality.HighQuality;
thumbnailGraph.SmoothingMode = SmoothingMode.HighQuality;
thumbnailGraph.InterpolationMode = InterpolationMode.HighQualityBicubic;
thumbnailGraph.PixelOffsetMode = PixelOffsetMode.HighQuality;
thumbnailGraph.CompositingMode = !hasPostProcessing ?
CompositingMode.SourceCopy :
CompositingMode.SourceOver;
SetBackgroundColor(thumbnailGraph, options);
thumbnailGraph.DrawImage(originalImage, 0, 0, newWidth, newHeight);
DrawIndicator(thumbnailGraph, newWidth, newHeight, options);
var outputFormat = GetOutputFormat(originalImage, options.OutputFormat);
using (var outputMemoryStream = new MemoryStream())
{
// Save to the memory stream
thumbnail.Save(outputFormat, outputMemoryStream, quality);
var bytes = outputMemoryStream.ToArray();
await toStream.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
// kick off a task to cache the result
await CacheResizedImage(cacheFilePath, bytes).ConfigureAwait(false);
}
}
}
}
}
}
}
finally
{
semaphore.Release();
}
}
public void EncodeImage(string inputPath, string outputPath, int width, int height, int quality, ImageProcessingOptions options)
{
if (string.IsNullOrWhiteSpace(options.BackgroundColor))
{
using (var originalImage = new MagickWand(inputPath))
{
originalImage.CurrentImage.ResizeImage(width, height);
DrawIndicator(originalImage, width, height, options);
originalImage.CurrentImage.CompressionQuality = quality;
originalImage.SaveImage(outputPath);
}
}
else
{
using (var wand = new MagickWand(width, height, options.BackgroundColor))
{
using (var originalImage = new MagickWand(inputPath))
{
originalImage.CurrentImage.ResizeImage(width, height);
wand.CurrentImage.CompositeImage(originalImage, CompositeOperator.OverCompositeOp, 0, 0);
DrawIndicator(wand, width, height, options);
wand.CurrentImage.CompressionQuality = quality;
wand.SaveImage(outputPath);
}
}
}
}
public async Task <UploadResult> ProcessFile(
IFormFile formFile,
ImageProcessingOptions options,
bool?resizeImages,
int?maxWidth,
int?maxHeight,
string requestedVirtualPath = "",
string newFileName = "",
bool allowRootPath = true
)
{
await EnsureProjectSettings().ConfigureAwait(false);
string currentFsPath = rootPath.RootFileSystemPath;
string currentVirtualPath = rootPath.RootVirtualPath;
string[] virtualSegments = options.ImageDefaultVirtualSubPath.Split('/');
bool doResize = resizeImages.HasValue ? resizeImages.Value : options.AutoResize;
if ((!string.IsNullOrEmpty(requestedVirtualPath)) && (requestedVirtualPath.StartsWith(rootPath.RootVirtualPath)))
{
var virtualSubPath = requestedVirtualPath.Substring(rootPath.RootVirtualPath.Length);
var segments = virtualSubPath.Split('/');
if (segments.Length > 0)
{
var requestedFsPath = Path.Combine(rootPath.RootFileSystemPath, Path.Combine(segments));
if (!Directory.Exists(requestedFsPath))
{
log.LogError("directory not found for currentPath " + requestedFsPath);
}
else
{
currentVirtualPath = requestedVirtualPath;
virtualSegments = segments;
currentFsPath = Path.Combine(currentFsPath, Path.Combine(virtualSegments));
}
}
}
else
{
// only ensure the folders if no currentDir provided,
// if it is provided it must be an existing path
// options.ImageDefaultVirtualSubPath might not exist on first upload so need to ensure it
if (!allowRootPath)
{
currentVirtualPath = currentVirtualPath + options.ImageDefaultVirtualSubPath;
currentFsPath = Path.Combine(currentFsPath, Path.Combine(virtualSegments));
EnsureSubFolders(rootPath.RootFileSystemPath, virtualSegments);
}
}
string newName;
if (!string.IsNullOrEmpty(newFileName))
{
newName = nameRules.GetCleanFileName(newFileName);
}
else
{
newName = nameRules.GetCleanFileName(Path.GetFileName(formFile.FileName));
}
var newUrl = currentVirtualPath + "/" + newName;
var fsPath = Path.Combine(currentFsPath, newName);
var ext = Path.GetExtension(newName);
var webSizeName = Path.GetFileNameWithoutExtension(newName) + "-ws" + ext;
var webFsPath = Path.Combine(currentFsPath, webSizeName);
string webUrl = string.Empty;
var didResize = false;
try
{
using (var stream = new FileStream(fsPath, FileMode.Create))
{
await formFile.CopyToAsync(stream);
}
if ((doResize) && IsWebImageFile(ext))
{
var mimeType = GetMimeType(ext);
webUrl = currentVirtualPath + "/" + webSizeName;
int resizeWidth = GetMaxWidth(maxWidth, options);
int resizeHeight = GetMaxWidth(maxHeight, options);
didResize = imageResizer.ResizeImage(
fsPath,
currentFsPath,
webSizeName,
mimeType,
resizeWidth,
resizeHeight,
options.AllowEnlargement
);
}
return(new UploadResult
{
OriginalUrl = newUrl,
ResizedUrl = didResize? webUrl : string.Empty,
Name = newName,
Length = formFile.Length,
Type = formFile.ContentType
});
}
catch (Exception ex)
{
log.LogError(MediaLoggingEvents.FILE_PROCCESSING, ex, ex.StackTrace);
return(new UploadResult
{
ErrorMessage = sr["There was an error logged during file processing"]
});
}
}
public string EncodeImage(string inputPath, DateTime dateModified, string outputPath, bool autoOrient, ImageOrientation?orientation, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
if (string.IsNullOrWhiteSpace(inputPath))
{
throw new ArgumentNullException(nameof(inputPath));
}
if (string.IsNullOrWhiteSpace(inputPath))
{
throw new ArgumentNullException(nameof(outputPath));
}
var skiaOutputFormat = GetImageFormat(selectedOutputFormat);
var hasBackgroundColor = !string.IsNullOrWhiteSpace(options.BackgroundColor);
var hasForegroundColor = !string.IsNullOrWhiteSpace(options.ForegroundLayer);
var blur = options.Blur ?? 0;
var hasIndicator = options.AddPlayedIndicator || options.UnplayedCount.HasValue || !options.PercentPlayed.Equals(0);
using (var bitmap = GetBitmap(inputPath, options.CropWhiteSpace, autoOrient, orientation))
{
if (bitmap == null)
{
throw new ArgumentOutOfRangeException(string.Format("Skia unable to read image {0}", inputPath));
}
var originalImageSize = new ImageDimensions(bitmap.Width, bitmap.Height);
if (!options.CropWhiteSpace &&
options.HasDefaultOptions(inputPath, originalImageSize) &&
!autoOrient)
{
// Just spit out the original file if all the options are default
return(inputPath);
}
var newImageSize = ImageHelper.GetNewImageSize(options, originalImageSize);
var width = newImageSize.Width;
var height = newImageSize.Height;
using (var resizedBitmap = new SKBitmap(width, height, bitmap.ColorType, bitmap.AlphaType))
{
// scale image
bitmap.ScalePixels(resizedBitmap, SKFilterQuality.High);
// If all we're doing is resizing then we can stop now
if (!hasBackgroundColor && !hasForegroundColor && blur == 0 && !hasIndicator)
{
Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
using (var outputStream = new SKFileWStream(outputPath))
using (var pixmap = new SKPixmap(new SKImageInfo(width, height), resizedBitmap.GetPixels()))
{
pixmap.Encode(outputStream, skiaOutputFormat, quality);
return(outputPath);
}
}
// create bitmap to use for canvas drawing used to draw into bitmap
using (var saveBitmap = new SKBitmap(width, height)) //, bitmap.ColorType, bitmap.AlphaType))
using (var canvas = new SKCanvas(saveBitmap))
{
// set background color if present
if (hasBackgroundColor)
{
canvas.Clear(SKColor.Parse(options.BackgroundColor));
}
// Add blur if option is present
if (blur > 0)
{
// create image from resized bitmap to apply blur
using (var paint = new SKPaint())
using (var filter = SKImageFilter.CreateBlur(blur, blur))
{
paint.ImageFilter = filter;
canvas.DrawBitmap(resizedBitmap, SKRect.Create(width, height), paint);
}
}
else
{
// draw resized bitmap onto canvas
canvas.DrawBitmap(resizedBitmap, SKRect.Create(width, height));
}
// If foreground layer present then draw
if (hasForegroundColor)
{
if (!double.TryParse(options.ForegroundLayer, out double opacity))
{
opacity = .4;
}
canvas.DrawColor(new SKColor(0, 0, 0, (byte)((1 - opacity) * 0xFF)), SKBlendMode.SrcOver);
}
if (hasIndicator)
{
DrawIndicator(canvas, width, height, options);
}
Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
using (var outputStream = new SKFileWStream(outputPath))
{
using (var pixmap = new SKPixmap(new SKImageInfo(width, height), saveBitmap.GetPixels()))
{
pixmap.Encode(outputStream, skiaOutputFormat, quality);
}
}
}
}
}
return(outputPath);
}
public void EncodeImage(string inputPath, string outputPath, bool autoOrient, int width, int height, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
// Even if the caller specified 100, don't use it because it takes forever
quality = Math.Min(quality, 99);
if (string.IsNullOrWhiteSpace(options.BackgroundColor) || !HasTransparency(inputPath))
{
using (var originalImage = new MagickWand(inputPath))
{
ScaleImage(originalImage, width, height, options.Blur ?? 0);
if (autoOrient)
{
AutoOrientImage(originalImage);
}
AddForegroundLayer(originalImage, options);
DrawIndicator(originalImage, width, height, options);
originalImage.CurrentImage.CompressionQuality = quality;
originalImage.CurrentImage.StripImage();
originalImage.SaveImage(outputPath);
}
}
else
{
using (var wand = new MagickWand(width, height, options.BackgroundColor))
{
using (var originalImage = new MagickWand(inputPath))
{
ScaleImage(originalImage, width, height, options.Blur ?? 0);
if (autoOrient)
{
AutoOrientImage(originalImage);
}
wand.CurrentImage.CompositeImage(originalImage, CompositeOperator.OverCompositeOp, 0, 0);
AddForegroundLayer(wand, options);
DrawIndicator(wand, width, height, options);
wand.CurrentImage.CompressionQuality = quality;
wand.CurrentImage.StripImage();
wand.SaveImage(outputPath);
}
}
}
}
/// <inheritdoc />
public async Task <(string path, string?mimeType, DateTime dateModified)> ProcessImage(ImageProcessingOptions options)
{
ItemImageInfo originalImage = options.Image;
BaseItem item = options.Item;
string originalImagePath = originalImage.Path;
DateTime dateModified = originalImage.DateModified;
ImageDimensions?originalImageSize = null;
if (originalImage.Width > 0 && originalImage.Height > 0)
{
originalImageSize = new ImageDimensions(originalImage.Width, originalImage.Height);
}
if (!_imageEncoder.SupportsImageEncoding)
{
return(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
}
var supportedImageInfo = await GetSupportedImage(originalImagePath, dateModified).ConfigureAwait(false);
originalImagePath = supportedImageInfo.path;
if (!File.Exists(originalImagePath))
{
return(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
}
dateModified = supportedImageInfo.dateModified;
bool requiresTransparency = _transparentImageTypes.Contains(Path.GetExtension(originalImagePath));
bool autoOrient = false;
ImageOrientation?orientation = null;
if (item is Photo photo)
{
if (photo.Orientation.HasValue)
{
if (photo.Orientation.Value != ImageOrientation.TopLeft)
{
autoOrient = true;
orientation = photo.Orientation;
}
}
else
{
// Orientation unknown, so do it
autoOrient = true;
orientation = photo.Orientation;
}
}
if (options.HasDefaultOptions(originalImagePath, originalImageSize) && (!autoOrient || !options.RequiresAutoOrientation))
{
// Just spit out the original file if all the options are default
return(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
}
int quality = options.Quality;
ImageFormat outputFormat = GetOutputFormat(options.SupportedOutputFormats, requiresTransparency);
string cacheFilePath = GetCacheFilePath(
originalImagePath,
options.Width,
options.Height,
options.MaxWidth,
options.MaxHeight,
options.FillWidth,
options.FillHeight,
quality,
dateModified,
outputFormat,
options.AddPlayedIndicator,
options.PercentPlayed,
options.UnplayedCount,
options.Blur,
options.BackgroundColor,
options.ForegroundLayer);
try
{
if (!File.Exists(cacheFilePath))
{
string resultPath = _imageEncoder.EncodeImage(originalImagePath, dateModified, cacheFilePath, autoOrient, orientation, quality, options, outputFormat);
if (string.Equals(resultPath, originalImagePath, StringComparison.OrdinalIgnoreCase))
{
return(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
}
}
return(cacheFilePath, GetMimeType(outputFormat, cacheFilePath), _fileSystem.GetLastWriteTimeUtc(cacheFilePath));
}
catch (Exception ex)
{
// If it fails for whatever reason, return the original image
_logger.LogError(ex, "Error encoding image");
return(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
}
}
public async Task <string> ProcessImage(ImageProcessingOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
var originalImagePath = options.Image.Path;
if (options.HasDefaultOptions(originalImagePath) && options.Enhancers.Count == 0 && !options.CropWhiteSpace)
{
// Just spit out the original file if all the options are default
return(originalImagePath);
}
var dateModified = options.Image.DateModified;
var length = options.Image.Length;
if (options.CropWhiteSpace)
{
var tuple = await GetWhitespaceCroppedImage(originalImagePath, dateModified, length).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
length = tuple.Item3;
}
if (options.Enhancers.Count > 0)
{
var tuple = await GetEnhancedImage(new ItemImageInfo
{
Length = length,
DateModified = dateModified,
Type = options.Image.Type,
Path = originalImagePath
}, options.Item, options.ImageIndex, options.Enhancers).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
length = tuple.Item3;
}
var originalImageSize = GetImageSize(originalImagePath, dateModified);
// Determine the output size based on incoming parameters
var newSize = DrawingUtils.Resize(originalImageSize, options.Width, options.Height, options.MaxWidth, options.MaxHeight);
if (options.HasDefaultOptionsWithoutSize(originalImagePath) && newSize.Equals(originalImageSize) && options.Enhancers.Count == 0)
{
// Just spit out the original file if the new size equals the old
return(originalImagePath);
}
var quality = options.Quality ?? 90;
var outputFormat = GetOutputFormat(options.OutputFormat);
var cacheFilePath = GetCacheFilePath(originalImagePath, newSize, quality, dateModified, length, outputFormat, options.AddPlayedIndicator, options.PercentPlayed, options.UnplayedCount, options.BackgroundColor);
var semaphore = GetLock(cacheFilePath);
await semaphore.WaitAsync().ConfigureAwait(false);
try
{
CheckDisposed();
if (!File.Exists(cacheFilePath))
{
var newWidth = Convert.ToInt32(newSize.Width);
var newHeight = Convert.ToInt32(newSize.Height);
Directory.CreateDirectory(Path.GetDirectoryName(cacheFilePath));
_imageEncoder.EncodeImage(originalImagePath, cacheFilePath, newWidth, newHeight, quality, options);
}
}
finally
{
semaphore.Release();
}
return(cacheFilePath);
}
public void EncodeImage(string inputPath, string cacheFilePath, bool autoOrient, int width, int height, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
var hasPostProcessing = !string.IsNullOrEmpty(options.BackgroundColor) || options.UnplayedCount.HasValue || options.AddPlayedIndicator || options.PercentPlayed > 0;
using (var originalImage = Image.FromFile(inputPath))
{
var newWidth = Convert.ToInt32(width);
var newHeight = Convert.ToInt32(height);
// Graphics.FromImage will throw an exception if the PixelFormat is Indexed, so we need to handle that here
// Also, Webp only supports Format32bppArgb and Format32bppRgb
var pixelFormat = selectedOutputFormat == ImageFormat.Webp
? PixelFormat.Format32bppArgb
: PixelFormat.Format32bppPArgb;
using (var thumbnail = new Bitmap(newWidth, newHeight, pixelFormat))
{
// Mono throw an exeception if assign 0 to SetResolution
if (originalImage.HorizontalResolution > 0 && originalImage.VerticalResolution > 0)
{
// Preserve the original resolution
thumbnail.SetResolution(originalImage.HorizontalResolution, originalImage.VerticalResolution);
}
using (var thumbnailGraph = Graphics.FromImage(thumbnail))
{
thumbnailGraph.CompositingQuality = CompositingQuality.HighQuality;
thumbnailGraph.SmoothingMode = SmoothingMode.HighQuality;
thumbnailGraph.InterpolationMode = InterpolationMode.HighQualityBicubic;
thumbnailGraph.PixelOffsetMode = PixelOffsetMode.HighQuality;
// SourceCopy causes the image to be blank in OSX
//thumbnailGraph.CompositingMode = !hasPostProcessing ?
// CompositingMode.SourceCopy :
// CompositingMode.SourceOver;
SetBackgroundColor(thumbnailGraph, options);
thumbnailGraph.DrawImage(originalImage, 0, 0, newWidth, newHeight);
DrawIndicator(thumbnailGraph, newWidth, newHeight, options);
var outputFormat = GetOutputFormat(originalImage, selectedOutputFormat);
_fileSystem.CreateDirectory(Path.GetDirectoryName(cacheFilePath));
// Save to the cache location
using (var cacheFileStream = _fileSystem.GetFileStream(cacheFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, false))
{
// Save to the memory stream
thumbnail.Save(outputFormat, cacheFileStream, quality);
}
}
}
}
}
public async Task <string> ProcessImage(ImageProcessingOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
var originalImagePath = options.Image.Path;
if (options.HasDefaultOptions(originalImagePath) && options.Enhancers.Count == 0 && !options.CropWhiteSpace)
{
// Just spit out the original file if all the options are default
return(originalImagePath);
}
var dateModified = options.Image.DateModified;
if (options.CropWhiteSpace)
{
var tuple = await GetWhitespaceCroppedImage(originalImagePath, dateModified).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
if (options.Enhancers.Count > 0)
{
var tuple = await GetEnhancedImage(options.Image, options.Item, options.ImageIndex, options.Enhancers).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
var originalImageSize = GetImageSize(originalImagePath, dateModified);
// Determine the output size based on incoming parameters
var newSize = DrawingUtils.Resize(originalImageSize, options.Width, options.Height, options.MaxWidth, options.MaxHeight);
if (options.HasDefaultOptionsWithoutSize(originalImagePath) && newSize.Equals(originalImageSize) && options.Enhancers.Count == 0)
{
// Just spit out the original file if the new size equals the old
return(originalImagePath);
}
var quality = options.Quality ?? 90;
var outputFormat = GetOutputFormat(options.OutputFormat);
var cacheFilePath = GetCacheFilePath(originalImagePath, newSize, quality, dateModified, outputFormat, options.AddPlayedIndicator, options.PercentPlayed, options.UnplayedCount, options.BackgroundColor);
var semaphore = GetLock(cacheFilePath);
await semaphore.WaitAsync().ConfigureAwait(false);
// Check again in case of lock contention
try
{
if (File.Exists(cacheFilePath))
{
semaphore.Release();
return(cacheFilePath);
}
}
catch
{
semaphore.Release();
throw;
}
try
{
CheckDisposed();
var newWidth = Convert.ToInt32(newSize.Width);
var newHeight = Convert.ToInt32(newSize.Height);
Directory.CreateDirectory(Path.GetDirectoryName(cacheFilePath));
if (string.IsNullOrWhiteSpace(options.BackgroundColor))
{
using (var originalImage = new MagickWand(originalImagePath))
{
originalImage.CurrentImage.ResizeImage(newWidth, newHeight);
DrawIndicator(originalImage, newWidth, newHeight, options);
originalImage.CurrentImage.CompressionQuality = quality;
originalImage.SaveImage(cacheFilePath);
return(cacheFilePath);
}
}
else
{
using (var wand = new MagickWand(newWidth, newHeight, options.BackgroundColor))
{
using (var originalImage = new MagickWand(originalImagePath))
{
originalImage.CurrentImage.ResizeImage(newWidth, newHeight);
wand.CurrentImage.CompositeImage(originalImage, CompositeOperator.OverCompositeOp, 0, 0);
DrawIndicator(wand, newWidth, newHeight, options);
wand.CurrentImage.CompressionQuality = quality;
wand.SaveImage(cacheFilePath);
return(cacheFilePath);
}
}
}
}
finally
{
semaphore.Release();
}
}
public async Task <Tuple <string, string, DateTime> > ProcessImage(ImageProcessingOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
var originalImage = options.Image;
var item = options.Item;
if (!originalImage.IsLocalFile)
{
if (item == null)
{
item = _libraryManager().GetItemById(options.ItemId);
}
originalImage = await _libraryManager().ConvertImageToLocal(item, originalImage, options.ImageIndex).ConfigureAwait(false);
}
var originalImagePath = originalImage.Path;
var dateModified = originalImage.DateModified;
var originalImageSize = originalImage.Width > 0 && originalImage.Height > 0 ? new ImageSize(originalImage.Width, originalImage.Height) : (ImageSize?)null;
if (!_imageEncoder.SupportsImageEncoding)
{
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
var supportedImageInfo = await GetSupportedImage(originalImagePath, dateModified).ConfigureAwait(false);
originalImagePath = supportedImageInfo.Item1;
dateModified = supportedImageInfo.Item2;
var requiresTransparency = TransparentImageTypes.Contains(Path.GetExtension(originalImagePath) ?? string.Empty);
if (options.Enhancers.Length > 0)
{
if (item == null)
{
item = _libraryManager().GetItemById(options.ItemId);
}
var tuple = await GetEnhancedImage(new ItemImageInfo
{
DateModified = dateModified,
Type = originalImage.Type,
Path = originalImagePath
}, requiresTransparency, item, options.ImageIndex, options.Enhancers, CancellationToken.None).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
requiresTransparency = tuple.Item3;
// TODO: Get this info
originalImageSize = null;
}
var photo = item as Photo;
var autoOrient = false;
ImageOrientation?orientation = null;
if (photo != null)
{
if (photo.Orientation.HasValue)
{
if (photo.Orientation.Value != ImageOrientation.TopLeft)
{
autoOrient = true;
orientation = photo.Orientation;
}
}
else
{
// Orientation unknown, so do it
autoOrient = true;
orientation = photo.Orientation;
}
}
if (options.HasDefaultOptions(originalImagePath, originalImageSize) && (!autoOrient || !options.RequiresAutoOrientation))
{
// Just spit out the original file if all the options are default
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
//ImageSize? originalImageSize = GetSavedImageSize(originalImagePath, dateModified);
//if (originalImageSize.HasValue && options.HasDefaultOptions(originalImagePath, originalImageSize.Value) && !autoOrient)
//{
// // Just spit out the original file if all the options are default
// _logger.LogInformation("Returning original image {0}", originalImagePath);
// return new ValueTuple<string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
//}
var newSize = ImageHelper.GetNewImageSize(options, null);
var quality = options.Quality;
var outputFormat = GetOutputFormat(options.SupportedOutputFormats, requiresTransparency);
var cacheFilePath = GetCacheFilePath(originalImagePath, newSize, quality, dateModified, outputFormat, options.AddPlayedIndicator, options.PercentPlayed, options.UnplayedCount, options.Blur, options.BackgroundColor, options.ForegroundLayer);
CheckDisposed();
var lockInfo = GetLock(cacheFilePath);
await lockInfo.Lock.WaitAsync().ConfigureAwait(false);
try
{
if (!_fileSystem.FileExists(cacheFilePath))
{
if (options.CropWhiteSpace && !SupportsTransparency(originalImagePath))
{
options.CropWhiteSpace = false;
}
var resultPath = _imageEncoder.EncodeImage(originalImagePath, dateModified, cacheFilePath, autoOrient, orientation, quality, options, outputFormat);
if (string.Equals(resultPath, originalImagePath, StringComparison.OrdinalIgnoreCase))
{
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
return(new Tuple <string, string, DateTime>(cacheFilePath, GetMimeType(outputFormat, cacheFilePath), _fileSystem.GetLastWriteTimeUtc(cacheFilePath)));
}
return(new Tuple <string, string, DateTime>(cacheFilePath, GetMimeType(outputFormat, cacheFilePath), _fileSystem.GetLastWriteTimeUtc(cacheFilePath)));
}
catch (ArgumentOutOfRangeException ex)
{
// Decoder failed to decode it
#if DEBUG
_logger.LogError(ex, "Error encoding image");
#endif
// Just spit out the original file if all the options are default
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
catch (Exception ex)
{
// If it fails for whatever reason, return the original image
_logger.LogError(ex, "Error encoding image");
// Just spit out the original file if all the options are default
return(new Tuple <string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified));
}
finally
{
ReleaseLock(cacheFilePath, lockInfo);
}
}
public async Task <string> ProcessImage(ImageProcessingOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
var originalImage = options.Image;
if (!originalImage.IsLocalFile)
{
originalImage = await _libraryManager().ConvertImageToLocal(options.Item, originalImage, options.ImageIndex).ConfigureAwait(false);
}
var originalImagePath = originalImage.Path;
if (!_imageEncoder.SupportsImageEncoding)
{
return(originalImagePath);
}
if (options.HasDefaultOptions(originalImagePath) && options.Enhancers.Count == 0 && !options.CropWhiteSpace)
{
// Just spit out the original file if all the options are default
return(originalImagePath);
}
var dateModified = originalImage.DateModified;
if (options.CropWhiteSpace && _imageEncoder.SupportsImageEncoding)
{
var tuple = await GetWhitespaceCroppedImage(originalImagePath, dateModified).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
if (options.Enhancers.Count > 0)
{
var tuple = await GetEnhancedImage(new ItemImageInfo
{
DateModified = dateModified,
Type = originalImage.Type,
Path = originalImagePath
}, options.Item, options.ImageIndex, options.Enhancers).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
var newSizeInfo = GetNewImageSize(originalImagePath, dateModified, options);
var newSize = newSizeInfo.Item1;
var isSizeChanged = newSizeInfo.Item2;
if (options.HasDefaultOptionsWithoutSize(originalImagePath) && !isSizeChanged && options.Enhancers.Count == 0)
{
// Just spit out the original file if the new size equals the old
return(originalImagePath);
}
var quality = options.Quality ?? 90;
var outputFormat = GetOutputFormat(options.OutputFormat);
var cacheFilePath = GetCacheFilePath(originalImagePath, newSize, quality, dateModified, outputFormat, options.AddPlayedIndicator, options.PercentPlayed, options.UnplayedCount, options.BackgroundColor);
var semaphore = GetLock(cacheFilePath);
await semaphore.WaitAsync().ConfigureAwait(false);
var imageProcessingLockTaken = false;
try
{
CheckDisposed();
if (!_fileSystem.FileExists(cacheFilePath))
{
var newWidth = Convert.ToInt32(newSize.Width);
var newHeight = Convert.ToInt32(newSize.Height);
_fileSystem.CreateDirectory(Path.GetDirectoryName(cacheFilePath));
await _imageProcessingSemaphore.WaitAsync().ConfigureAwait(false);
imageProcessingLockTaken = true;
_imageEncoder.EncodeImage(originalImagePath, cacheFilePath, newWidth, newHeight, quality, options);
}
}
finally
{
if (imageProcessingLockTaken)
{
_imageProcessingSemaphore.Release();
}
semaphore.Release();
}
return(cacheFilePath);
}
