/// <summary>
/// Fetch a thumbnail for the file at the specified 'path'.
/// </summary>
/// <param name="path"></param>
/// <param name="size"></param>
/// <param name="rotate"></param>
/// <returns></returns>
public async Task <HttpResponseMessage> ThumbAsync(string path, ThumbSize size = ThumbSize.Small, int rotate = 0)
{
if (String.IsNullOrWhiteSpace(path))
{
throw new ArgumentException($"Argument cannot be null, empty or whitespace.", nameof(path));
}
_logger.LogDebug($"Making HTTP request to fetch a thumbnail");
if (String.IsNullOrWhiteSpace(_sid))
{
await AuthenticateAsync();
}
var query = new Dictionary <string, string>()
{
{ "api", "SYNO.FileStation.Thumb" },
{ "version", "2" },
{ "method", "get" },
{ "_sid", _sid },
{ "size", size.GetValue() },
{ "rotate", $"{rotate}" },
{ "path", path },
};
var form = new FormUrlEncodedContent(query);
return(await _client.PostAsync(Path("entry"), form));
}
/// <summary>
/// Given a particular image, calculates the path and filename of the associated
/// thumbnail for that image and size.
/// TODO: Use the Thumbnail Last gen date here to avoid passing back images with no thumbs?
/// </summary>
/// <param name="imageFile"></param>
/// <param name="size"></param>
/// <returns></returns>
public string GetThumbPath(FileInfo imageFile, ThumbSize size)
{
string thumbPath;
if (Synology)
{
// Syno thumbs go in a subdir of the location of the image
string thumbFileName = $"SYNOPHOTO_THUMB_{GetSizePostFix(size).ToUpper()}.jpg";
thumbPath = Path.Combine(imageFile.DirectoryName, "@eaDir", imageFile.Name, thumbFileName);
}
else
{
string extension = imageFile.Extension;
// Keep the extension if it's JPG, but otherwise change it to JPG (for HEIC etc).
if (!extension.Equals(".JPG", StringComparison.OrdinalIgnoreCase))
{
extension = ".JPG";
}
string baseName = Path.GetFileNameWithoutExtension(imageFile.Name);
string relativePath = imageFile.DirectoryName.MakePathRelativeTo(PicturesRoot);
string thumbFileName = $"{baseName}_{GetSizePostFix(size)}{extension}";
thumbPath = Path.Combine(_thumbnailRootFolder, relativePath, thumbFileName);
}
return(thumbPath);
}
public static string GetImageThumbUrl(Image image, ThumbSize size)
{
string url = "/no-image.jpg";
if (image.Folder != null)
{
var file = new FileInfo(image.FullPath);
var path = ThumbnailService.Instance.GetThumbRequestPath(file, size, "/no-image.png");
// This is a bit tricky. We need to UrlEncode all of the folders in the path
// but we don't want to UrlEncode the slashes itself. So we have to split,
// UrlEncode them all, and rejoin.
//var parts = path.Split(Path.DirectorySeparatorChar)
// .Select(x => HttpUtility.UrlEncode(x) );
// path = string.Join(Path.DirectorySeparatorChar, parts);
url = path.Replace("#", "%23");
}
else
{
Logging.Log("ERROR: No folder for image {0}", image.FileName);
}
return(url);
}
public string StoreThumb(string filePath, ThumbSize size, string extension = null)
{
int maxWidth = (int)size;
int maxHeight = (int)size;
string fileName = FileUtils.GetThumbPath(filePath, size, extension);
if (!File.Exists(filePath))
{
return(fileName);
}
FileInfo inf = new FileInfo(filePath);
string newPath = Path.Combine(inf.Directory.FullName, fileName);
Utils.CreateFolderForFile(newPath);
if (File.Exists(newPath))
{
return(fileName);
}
Image current = Image.FromFile(filePath);
Bitmap canvas = ResizeImage(current, maxWidth, maxHeight);
canvas.Save(newPath);
return(FileUtils.GetThumbUrl(filePath, size));
}
public static string StoreThumb(string path, ThumbSize size, bool relative = true)
{
using (var s = new ImagesService())
{
path = relative ? FileUtils.RelativeToAbsolute(path) : path;
return(s.StoreThumb(path, size));
}
}
public async Task <IActionResult> ThumbnailAsync(string path, ThumbSize size = ThumbSize.Small, int rotate = 0)
{
var response = await _fileStation.ThumbAsync(path, size, rotate);
var fileName = response.Content.Headers.ContentDisposition?.FileName ?? Path.GetFileName(path);
var data = await response.Content.ReadAsStreamAsync();
return(File(data, response.Content.Headers.ContentType.MediaType, fileName));
}
/// <summary>
/// 指定したサイズの解像度のサムネイルを取得する
/// </summary>
/// <param name="size"></param>
/// <returns></returns>
public string GetSpecifiedThumbnail(ThumbSize size)
{
return(size switch
{
ThumbSize.Large => this.large ?? this.GetSpecifiedThumbnail(ThumbSize.Middle),
ThumbSize.Middle => this.middle ?? this.GetSpecifiedThumbnail(ThumbSize.Normal),
ThumbSize.Normal => this.normal ?? this.GetSpecifiedThumbnail(ThumbSize.Player),
_ => this.player ?? throw new InvalidOperationException($"解像度{ThumbSize.Player}がnullです。")
});
public static string GetThumbPath(string path, ThumbSize size, string extension = null)
{
if (string.IsNullOrEmpty(path))
{
return(null);
}
FileInfo inf = new FileInfo(path);
return(size.ToString().ToLower() + "\\" + inf.Name.GetBeforeLast(".") + (extension ?? inf.Extension));
}
private string GetSizePostFix(ThumbSize size)
{
return(size switch
{
ThumbSize.ExtraLarge => "xl",
ThumbSize.Large => "l",
ThumbSize.Big => "b",
ThumbSize.Medium => "m",
ThumbSize.Small => "s",
_ => "PREVIEW",
});
/// <summary>
/// Convert a thumbnail path into a URL request path (i.e., relative to wwwroot).
/// </summary>
/// <param name="imageFile"></param>
/// <param name="size"></param>
/// <param name="pathIfNotExist"></param>
/// <returns></returns>
public string GetThumbRequestPath(FileInfo imageFile, ThumbSize size, string pathIfNotExist)
{
string localPath = GetThumbPath(imageFile, size);
if (!string.IsNullOrEmpty(pathIfNotExist) && !File.Exists(localPath))
{
return(pathIfNotExist);
}
return(ConvertToRequestPath(localPath));
}
private static void SetQualityParams(ThumbQuality quality_)
{
switch (quality_)
{
case ThumbQuality.fastest:
_currentCompositingQuality = CompositingQuality.HighSpeed;
_currentInterpolationMode = InterpolationMode.NearestNeighbor;
_currentSmoothingMode = SmoothingMode.None;
_currentThumbSize = ThumbSize.small;
_currentLargeThumbSize = LargeThumbSize.small;
break;
case ThumbQuality.fast:
_currentCompositingQuality = CompositingQuality.HighSpeed;
_currentInterpolationMode = InterpolationMode.Low;
_currentSmoothingMode = SmoothingMode.HighSpeed;
_currentThumbSize = ThumbSize.small;
_currentLargeThumbSize = LargeThumbSize.small;
break;
case ThumbQuality.higher:
_currentCompositingQuality = CompositingQuality.AssumeLinear;
_currentInterpolationMode = InterpolationMode.High;
_currentSmoothingMode = SmoothingMode.HighQuality;
_currentThumbSize = ThumbSize.average;
_currentLargeThumbSize = LargeThumbSize.average;
break;
case ThumbQuality.highest:
_currentCompositingQuality = CompositingQuality.HighQuality;
_currentInterpolationMode = InterpolationMode.HighQualityBicubic;
_currentSmoothingMode = SmoothingMode.HighQuality;
_currentThumbSize = ThumbSize.large;
_currentLargeThumbSize = LargeThumbSize.large;
break;
case ThumbQuality.uhd:
_currentCompositingQuality = CompositingQuality.HighQuality;
_currentInterpolationMode = InterpolationMode.HighQualityBicubic;
_currentSmoothingMode = SmoothingMode.HighQuality;
_currentThumbSize = ThumbSize.uhd;
_currentLargeThumbSize = LargeThumbSize.uhd;
break;
default:
_currentCompositingQuality = CompositingQuality.Default;
_currentInterpolationMode = InterpolationMode.Default;
_currentSmoothingMode = SmoothingMode.Default;
_currentThumbSize = ThumbSize.average;
_currentLargeThumbSize = LargeThumbSize.average;
break;
}
}
public static string GetThumbUrl(string path, ThumbSize size, string extension = null)
{
if (string.IsNullOrEmpty(path))
{
return(null);
}
FileInfo inf = new FileInfo(path);
string name = inf.Name.GetBeforeLast(".") + (extension ?? inf.Extension);
string url = inf.Directory.FullName.Replace(Shell.AppRootPath + "\\", "");
url = url.Replace(Shell.PublicRoot + "\\", "");
return(Utils.CombineUrl(url, size.ToString().ToLower(), name));
}
/// <summary>
/// Given a particular image, calculates the path and filename of the associated
/// thumbnail for that image and size.
/// TODO: Use the Thumbnail Last gen date here to avoid passing back images with no thumbs?
/// </summary>
/// <param name="imageFile"></param>
/// <param name="size"></param>
/// <returns></returns>
public string GetThumbPath(FileInfo imageFile, ThumbSize size)
{
string thumbPath;
if (Synology)
{
// Syno thumbs go in a subdir of the location of the image
string thumbFileName = $"SYNOPHOTO_THUMB_{GetSizePostFix(size).ToUpper()}.jpg";
thumbPath = Path.Combine(imageFile.DirectoryName, "@eaDir", imageFile.Name, thumbFileName);
}
else
{
string extension = Path.GetExtension(imageFile.Name);
string baseName = Path.GetFileNameWithoutExtension(imageFile.Name);
string relativePath = imageFile.DirectoryName.MakePathRelativeTo(PicturesRoot);
string thumbFileName = $"{baseName}_{GetSizePostFix(size)}{extension}";
thumbPath = Path.Combine(_thumbnailRootFolder, relativePath, thumbFileName);
}
return(thumbPath);
}
public string StoreThumb(string filePath, CropPixels rect, ThumbSize size, string extension = null)
{
int maxWidth = (int)size;
int maxHeight = (int)size;
FileInfo inf = new FileInfo(filePath);
string fileName = FileUtils.GetThumbPath(filePath, size, extension);
string newPath = Path.Combine(inf.Directory.FullName, fileName);
Utils.CreateFolderForFile(newPath);
Bitmap image = new Bitmap(maxWidth, maxHeight);
Image im = Image.FromFile(filePath);
Bitmap cropped = CropImage(im, rect);
float ratio = image.Width / rect.W;
using (Graphics gr = Graphics.FromImage(image))
{
gr.FillRectangle(Brushes.White, 0, 0, maxWidth, maxHeight);
float start = rect.X < 0 ? (rect.X * -1 * ratio) : 0;
gr.CompositingQuality = CompositingQuality.HighSpeed;
gr.InterpolationMode = InterpolationMode.HighQualityBicubic;
gr.CompositingMode = CompositingMode.SourceCopy;
gr.DrawImage(cropped, start, 0, image.Width, image.Height);
}
if (File.Exists(newPath))
{
File.Delete(newPath);
}
image.Save(newPath, ImageFormat.Png);
string th = FileUtils.GetThumbUrl(filePath, size);
return(th);
}
/// <summary>
/// Convert a an image's path into a URL request path (i.e., relative to wwwroot).
/// </summary>
/// <param name="imageFile"></param>
/// <param name="size"></param>
/// <param name="pathIfNotExist"></param>
/// <returns></returns>
public string GetThumbRequestPath(Models.Image image, ThumbSize size, string pathIfNotExist)
{
return(GetThumbRequestPath(new FileInfo(image.FullPath), size, pathIfNotExist));
}
/// <summary>
/// URL mapped with last-updated time to ensure we always refresh the thumb
/// when the image is updated.
/// </summary>
/// <param name="size"></param>
/// <returns></returns>
public string ThumbUrl(ThumbSize size)
{
return($"/thumb/{size}/{this.ImageId}?nocache={this?.LastUpdated:yyyyMMddHHmmss}");
}
public ListableImage(Image image, ThumbSize size)
{
Image = image;
ThumbURL = ThumbnailService.Instance.GetThumbRequestPath(image, size, "/no-image.png");
}
private static void SetQualityParams(ThumbQuality quality_)
{
switch (quality_)
{
case ThumbQuality.fastest:
_currentCompositingQuality = CompositingQuality.HighSpeed;
_currentInterpolationMode = InterpolationMode.NearestNeighbor;
_currentSmoothingMode = SmoothingMode.None;
_currentThumbSize = ThumbSize.small;
_currentLargeThumbSize = LargeThumbSize.small;
break;
case ThumbQuality.fast:
_currentCompositingQuality = CompositingQuality.HighSpeed;
_currentInterpolationMode = InterpolationMode.Low;
_currentSmoothingMode = SmoothingMode.HighSpeed;
_currentThumbSize = ThumbSize.small;
_currentLargeThumbSize = LargeThumbSize.small;
break;
case ThumbQuality.higher:
_currentCompositingQuality = CompositingQuality.AssumeLinear;
_currentInterpolationMode = InterpolationMode.High;
_currentSmoothingMode = SmoothingMode.HighQuality;
_currentThumbSize = ThumbSize.average;
_currentLargeThumbSize = LargeThumbSize.average;
break;
case ThumbQuality.highest:
_currentCompositingQuality = CompositingQuality.HighQuality;
_currentInterpolationMode = InterpolationMode.HighQualityBicubic;
_currentSmoothingMode = SmoothingMode.HighQuality;
_currentThumbSize = ThumbSize.large;
_currentLargeThumbSize = LargeThumbSize.large;
break;
case ThumbQuality.uhd:
_currentCompositingQuality = CompositingQuality.HighQuality;
_currentInterpolationMode = InterpolationMode.HighQualityBicubic;
_currentSmoothingMode = SmoothingMode.HighQuality;
_currentThumbSize = ThumbSize.uhd;
_currentLargeThumbSize = LargeThumbSize.uhd;
break;
default:
_currentCompositingQuality = CompositingQuality.Default;
_currentInterpolationMode = InterpolationMode.Default;
_currentSmoothingMode = SmoothingMode.Default;
_currentThumbSize = ThumbSize.average;
_currentLargeThumbSize = LargeThumbSize.average;
break;
}
}
/// <summary>
/// Obhtiene un Thumbnail de la última imagen cargada.
/// </summary>
/// <param name="ts">ThumbnailSize</param>
/// <returns>Objeto System.Drawing.Image de la última imagen cargada.</returns>
public Image GetThumbnail(ThumbSize ts)
{
return this.GetImageFromUrl(String.Format("http://twitpic.com/show/{0}/{1}", (ts == ThumbSize.thumb) ? "thumb" : "mini", this.MediaId));
}
public ListableImage(Image image, ThumbSize size)
{
Image = image;
Size = size;
}
public string GetThumbSize()
{
return(ThumbSize.ToString().ToLower());
}
