protected virtual void ProcessRequest(RequestItem request)
{
IImage originalImage;
try {
using (IImageFile img = imageFileFactory.Create(request.Uri)) {
if (request.Width > 0)
{
originalImage = img.Load(request.Width, request.Height);
}
else
{
originalImage = img.Load();
}
}
} catch (Exception e) {
Log.Exception(e);
return;
}
if (originalImage == null)
{
return;
}
request.Result = originalImage;
}
bool CreateThumbnail(SafeUri thumbnailUri, ThumbnailSize size, IImageFile imageFile)
{
var pixels = size == ThumbnailSize.Normal ? 128 : 256;
Pixbuf pixbuf;
try {
pixbuf = imageFile.Load();
} catch (Exception e) {
Log.DebugFormat("Failed loading image for thumbnailing: {0}", imageFile.Uri);
Log.DebugException(e);
return(false);
}
double scale_x = (double)pixbuf.Width / pixels;
double scale_y = (double)pixbuf.Height / pixels;
double scale = Math.Max(1.0, Math.Max(scale_x, scale_y));
// Ensures that the minimum value is 1 so that pixbuf.ScaleSimple doesn't return null
// Seems to only happen in rare(?) cases
int target_x = Math.Max((int)(pixbuf.Width / scale), 1);
int target_y = Math.Max((int)(pixbuf.Height / scale), 1);
var thumb_pixbuf = pixbuf.ScaleSimple(target_x, target_y, InterpType.Bilinear);
var mtime = fileSystem.File.GetMTime(imageFile.Uri).ToString();
thumb_pixbuf.Savev(thumbnailUri.LocalPath, "png",
new string [] { ThumbnailService.ThumbUriOpt, ThumbnailService.ThumbMTimeOpt, null },
new string [] { imageFile.Uri, mtime });
pixbuf.Dispose();
thumb_pixbuf.Dispose();
return(true);
}
bool CreateThumbnail (SafeUri thumbnailUri, ThumbnailSize size, IImageFile imageFile)
{
var pixels = size == ThumbnailSize.Normal ? 128 : 256;
Pixbuf pixbuf;
try {
pixbuf = imageFile.Load ();
} catch (Exception e) {
Log.DebugFormat ("Failed loading image for thumbnailing: {0}", imageFile.Uri);
Log.DebugException (e);
return false;
}
double scale_x = (double)pixbuf.Width / pixels;
double scale_y = (double)pixbuf.Height / pixels;
double scale = Math.Max (1.0, Math.Max (scale_x, scale_y));
// Ensures that the minimum value is 1 so that pixbuf.ScaleSimple doesn't return null
// Seems to only happen in rare(?) cases
int target_x = Math.Max ((int)(pixbuf.Width / scale), 1);
int target_y = Math.Max ((int)(pixbuf.Height / scale), 1);
var thumb_pixbuf = pixbuf.ScaleSimple (target_x, target_y, InterpType.Bilinear);
var mtime = fileSystem.File.GetMTime (imageFile.Uri).ToString ();
thumb_pixbuf.Savev (thumbnailUri.LocalPath, "png",
new string [] { ThumbnailService.ThumbUriOpt, ThumbnailService.ThumbMTimeOpt, null },
new string [] { imageFile.Uri, mtime });
pixbuf.Dispose ();
thumb_pixbuf.Dispose ();
return true;
}
bool CreateThumbnail(Uri thumbnailUri, ThumbnailSize size, IImageFile imageFile)
{
var pixels = size == ThumbnailSize.Normal ? 128 : 256;
IImage image;
try {
image = imageFile.Load();
} catch (Exception e) {
Log.DebugFormat("Failed loading image for thumbnailing: {0}", imageFile.Uri);
Log.DebugException(e);
return(false);
}
double scale_x = (double)image.Width / pixels;
double scale_y = (double)image.Height / pixels;
double scale = Math.Max(1.0, Math.Max(scale_x, scale_y));
// Ensures that the minimum value is 1 so that pixbuf.ScaleSimple doesn't return null
// Seems to only happen in rare(?) cases
int target_x = Math.Max((int)(image.Width / scale), 1);
int target_y = Math.Max((int)(image.Height / scale), 1);
var thumbImage = image as Image <Rgba32>;
thumbImage.Mutate(x => x.Resize(target_x, target_y)); // pixbuf.ScaleSimple (target_x, target_y, InterpType.Bilinear);
var mtime = fileSystem.File.GetLastWriteTime(imageFile.Uri).ToString();
using (var stream = new FileStream(thumbnailUri.LocalPath, FileMode.Create)) {
thumbImage.SaveAsPng(stream, new PngEncoder());
}
// FIXME
//thumbImage.SaveAsPng (. .Savev (thumbnailUri.LocalPath, "png",
// new string[] { ThumbnailService.ThumbUriOpt, ThumbnailService.ThumbMTimeOpt, null },
// new string[] { imageFile.Uri.AbsoluteUri, mtime });
image.Dispose();
thumbImage.Dispose();
return(true);
}
