|
public static CreateDerivedVersion ( |
||
| source | ||
| destination | ||
| Результат | void | |
public bool Convert(FilterRequest req)
{
var source = req.Current;
req.Current = req.TempUri("jpg");
PixbufUtils.CreateDerivedVersion(source, req.Current, quality);
return(true);
}
public bool Convert(FilterRequest req)
{
var dest_uri = req.TempUri(req.Current.GetExtension());
using (var img = ImageFile.Create(req.Current)) {
using (Pixbuf in_pixbuf = img.Load()) {
using (Pixbuf out_pixbuf = PixbufUtils.UnsharpMask(in_pixbuf, radius, amount, threshold, null)) {
PixbufUtils.CreateDerivedVersion(req.Current, dest_uri, 95, out_pixbuf);
}
}
}
req.Current = dest_uri;
return(true);
}
public bool Convert(FilterRequest req)
{
string source = req.Current.LocalPath;
var dest_uri = req.TempUri(System.IO.Path.GetExtension(source));
using (var img = ImageFile.Create(req.Current)) {
using (Pixbuf pixbuf = img.Load()) {
if (pixbuf.Width < size && pixbuf.Height < size)
{
return(false);
}
}
using (Pixbuf pixbuf = img.Load((int)size, (int)size)) {
PixbufUtils.CreateDerivedVersion(req.Current, dest_uri, 95, pixbuf);
}
}
req.Current = dest_uri;
return(true);
}
//FIXME: won't work on non file uris
public uint SaveVersion(Gdk.Pixbuf buffer, bool create_version)
{
uint version = DefaultVersionId;
using (var img = ImageFile.Create(DefaultVersion.Uri)) {
// Always create a version if the source is not a jpeg for now.
create_version = create_version || ImageFile.IsJpeg(DefaultVersion.Uri);
if (buffer == null)
{
throw new ApplicationException("invalid (null) image");
}
if (create_version)
{
version = CreateDefaultModifiedVersion(DefaultVersionId, false);
}
try {
var versionUri = VersionUri(version);
PixbufUtils.CreateDerivedVersion(DefaultVersion.Uri, versionUri, 95, buffer);
GetVersion(version).ImportMD5 = HashUtils.GenerateMD5(VersionUri(version));
DefaultVersionId = version;
} catch (System.Exception e) {
Log.Exception(e);
if (create_version)
{
DeleteVersion(version);
}
throw e;
}
}
return(version);
}