public void EncodeImage(string inputPath, string cacheFilePath, int width, int height, int quality, ImageProcessingOptions options)
{
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);
var selectedOutputFormat = options.OutputFormat;
// 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;
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))
{
// Save to the memory stream
thumbnail.Save(outputFormat, cacheFileStream, quality);
}
}
}
}
}
/// <summary>
/// Draws the indicator.
/// </summary>
/// <param name="wand">The wand.</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(MagickWand wand, int imageWidth, int imageHeight, ImageProcessingOptions options)
{
if (!options.AddPlayedIndicator && !options.UnplayedCount.HasValue && options.PercentPlayed.Equals(0))
{
return;
}
try
{
if (options.AddPlayedIndicator)
{
var currentImageSize = new ImageSize(imageWidth, imageHeight);
var task = new PlayedIndicatorDrawer(_appPaths, _httpClient, _fileSystem).DrawPlayedIndicator(wand, currentImageSize);
Task.WaitAll(task);
}
else if (options.UnplayedCount.HasValue)
{
var currentImageSize = new ImageSize(imageWidth, imageHeight);
new UnplayedCountIndicator(_appPaths, _fileSystem).DrawUnplayedCountIndicator(wand, currentImageSize, options.UnplayedCount.Value);
}
if (options.PercentPlayed > 0)
{
new PercentPlayedDrawer().Process(wand, options.PercentPlayed);
}
}
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, 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);
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);
wand.CurrentImage.CompositeImage(originalImage, CompositeOperator.OverCompositeOp, 0, 0);
DrawIndicator(wand, width, height, options);
wand.CurrentImage.CompressionQuality = quality;
wand.CurrentImage.StripImage();
wand.SaveImage(outputPath);
}
}
}
SaveDelay();
}
public void EncodeImage(string inputPath, string outputPath, int width, int height, int quality, ImageProcessingOptions options)
{
throw new NotImplementedException();
}
/// <summary>
/// Writes to async.
/// </summary>
/// <param name="responseStream">The response stream.</param>
/// <returns>Task.</returns>
private Task WriteToAsync(Stream responseStream)
{
var cropwhitespace = Request.Type == ImageType.Logo || Request.Type == ImageType.Art;
if (Request.CropWhitespace.HasValue)
{
cropwhitespace = Request.CropWhitespace.Value;
}
var options = new ImageProcessingOptions
{
CropWhiteSpace = cropwhitespace,
Enhancers = Enhancers,
Height = Request.Height,
ImageIndex = Request.Index ?? 0,
ImageType = Request.Type,
Item = Item,
MaxHeight = Request.MaxHeight,
MaxWidth = Request.MaxWidth,
OriginalImageDateModified = OriginalImageDateModified,
OriginalImagePath = OriginalImagePath,
Quality = Request.Quality,
Width = Request.Width,
OutputFormat = Request.Format,
AddPlayedIndicator = Request.AddPlayedIndicator,
PercentPlayed = Request.PercentPlayed,
UnplayedCount = Request.UnplayedCount,
BackgroundColor = Request.BackgroundColor
};
return ImageProcessor.ProcessImage(options, responseStream);
}
/// <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<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();
}
}
private ImageSize GetNewImageSize(ImageProcessingOptions options, ImageSize? originalImageSize)
{
if (originalImageSize.HasValue)
{
// Determine the output size based on incoming parameters
var newSize = DrawingUtils.Resize(originalImageSize.Value, options.Width, options.Height, options.MaxWidth, options.MaxHeight);
return newSize;
}
return GetSizeEstimate(options);
}
private void AddForegroundLayer(MagickWand wand, ImageProcessingOptions options)
{
if (string.IsNullOrWhiteSpace(options.ForegroundLayer))
{
return;
}
Double opacity;
if (!Double.TryParse(options.ForegroundLayer, out opacity)) opacity = .4;
using (var pixel = new PixelWand("#000", opacity))
using (var overlay = new MagickWand(wand.CurrentImage.Width, wand.CurrentImage.Height, pixel))
{
wand.CurrentImage.CompositeImage(overlay, CompositeOperator.OverCompositeOp, 0, 0);
}
}
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(new ItemImageInfo
{
DateModified = dateModified,
Type = options.Image.Type,
Path = originalImagePath
}, options.Item, options.ImageIndex, options.Enhancers).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
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);
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);
var imageProcessingLockTaken = false;
try
{
CheckDisposed();
if (!File.Exists(cacheFilePath))
{
var newWidth = Convert.ToInt32(newSize.Width);
var newHeight = Convert.ToInt32(newSize.Height);
Directory.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;
}
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
{
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 = string.IsNullOrEmpty(options.BackgroundColor) && !options.UnplayedCount.HasValue && !options.AddPlayedIndicator && !options.PercentPlayed.HasValue ?
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
CacheResizedImage(cacheFilePath, bytes, semaphore);
}
}
}
}
}
}
}
catch
{
semaphore.Release();
throw;
}
}
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<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;
}
/// <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 async Task ProcessImage(ImageProcessingOptions options, Stream toStream)
{
var file = await ProcessImage(options).ConfigureAwait(false);
using (var fileStream = _fileSystem.GetFileStream(file.Item1, FileMode.Open, FileAccess.Read, FileShare.Read, true))
{
await fileStream.CopyToAsync(toStream).ConfigureAwait(false);
}
}
public void EncodeImage(string inputPath, string outputPath, int width, int height, int quality, ImageProcessingOptions options)
{
if (string.IsNullOrWhiteSpace(options.BackgroundColor) || !HasTransparency(inputPath))
{
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);
}
}
}
SaveDelay();
}
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);
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();
}
}
/// <summary>
/// Sets the color of the background.
/// </summary>
/// <param name="graphics">The graphics.</param>
/// <param name="options">The options.</param>
private void SetBackgroundColor(Graphics graphics, ImageProcessingOptions options)
{
var color = options.BackgroundColor;
if (!string.IsNullOrEmpty(color))
{
Color drawingColor;
try
{
drawingColor = ColorTranslator.FromHtml(color);
}
catch
{
drawingColor = ColorTranslator.FromHtml("#" + color);
}
graphics.Clear(drawingColor);
}
}
private ImageSize GetSizeEstimate(ImageProcessingOptions options)
{
if (options.Width.HasValue && options.Height.HasValue)
{
return new ImageSize(options.Width.Value, options.Height.Value);
}
var aspect = GetEstimatedAspectRatio(options.Image.Type);
var width = options.Width ?? options.MaxWidth;
if (width.HasValue)
{
var heightValue = aspect / width.Value;
return new ImageSize(width.Value, Convert.ToInt32(heightValue));
}
var height = options.Height ?? options.MaxHeight ?? 200;
var widthValue = aspect * height;
return new ImageSize(Convert.ToInt32(widthValue), height);
}
public void EncodeImage(string inputPath, string outputPath, bool autoOrient, int width, int height, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
throw new NotImplementedException();
}
