/// <summary>
/// Gets the output format.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="outputFormat">The output format.</param>
/// <returns>ImageFormat.</returns>
private System.Drawing.Imaging.ImageFormat GetOutputFormat(Image image, ImageFormat outputFormat)
{
switch (outputFormat)
{
case ImageFormat.Bmp:
return(System.Drawing.Imaging.ImageFormat.Bmp);
case ImageFormat.Gif:
return(System.Drawing.Imaging.ImageFormat.Gif);
case ImageFormat.Jpg:
return(System.Drawing.Imaging.ImageFormat.Jpeg);
case ImageFormat.Png:
return(System.Drawing.Imaging.ImageFormat.Png);
default:
return(image.RawFormat);
}
}
public void EncodeImage(string inputPath, string cacheFilePath, 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;
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);
}
}
}
}
}
/// <summary>
/// Gets the output format.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="outputFormat">The output format.</param>
/// <returns>ImageFormat.</returns>
private System.Drawing.Imaging.ImageFormat GetOutputFormat(Image image, ImageFormat outputFormat)
{
switch (outputFormat)
{
case ImageFormat.Bmp:
return System.Drawing.Imaging.ImageFormat.Bmp;
case ImageFormat.Gif:
return System.Drawing.Imaging.ImageFormat.Gif;
case ImageFormat.Jpg:
return System.Drawing.Imaging.ImageFormat.Jpeg;
case ImageFormat.Png:
return System.Drawing.Imaging.ImageFormat.Png;
default:
return image.RawFormat;
}
}
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 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);
}
}
}
}
}
