In general it is better to open new bug-reports, rather than re-open old ones seeming similar - long threads of possibly different problems discussed in comments makes it hard to follow progress of an issue. This issue seems like it might already have a bug though bug #698468. /pippin On Tue, Feb 23, 2016 at 12:12 AM, Elle Stone <ellestone@xxxxxxxxxxxxxxxxxxxx> wrote: > The following three bugs are closed, but there still seems to be a related? > new? bug with nohalo scaling (and probably lohalo, but not with cubic or > linear): > > https://bugzilla.gnome.org/show_bug.cgi?id=634901 > Bug 634901 - Resizing an image with alphachannel creates 1 pixel border down > and right > > https://bugzilla.gnome.org/show_bug.cgi?id=698601 > Bug 698601 - scaling up without alpha adds several-pixel gradient border > > https://bugzilla.gnome.org/show_bug.cgi?id=734378 > Bug 734378 - Image manipulation (scale,rotate) may cause vertical image > artefacts > > Scaling up or down using nohalo produces a partially transparent border > around the layer if the layer has an alpha channel. This is a long-standing > issue that still obtains (at least scaling down has produced the edge > artifact for a long time, bug 698601 describes the opposite situtation for > scaling up). > > I only just discovered that removing the alpha channel at least sometimes > allows to scale a layer without creating the edge artifacts. So I'm not sure > if removing the alpha channel always allows to scale without creating edge > artifacts. > > This bug was confirmed using babl/GEGL/GIMP updated today. > > Should I file a new bug report? or maybe instead open one of the old bug > reports? > > Elle > _______________________________________________ > gimp-developer-list mailing list > List address: gimp-developer-list@xxxxxxxxx > List membership: https://mail.gnome.org/mailman/listinfo/gimp-developer-list > List archives: https://mail.gnome.org/archives/gimp-developer-list _______________________________________________ gimp-developer-list mailing list List address: gimp-developer-list@xxxxxxxxx List membership: https://mail.gnome.org/mailman/listinfo/gimp-developer-list List archives: https://mail.gnome.org/archives/gimp-developer-list