It looks like GDK_SCALE makes GtkIconView scale its icons (the pixbufs).
Glib::RefPtr<Gdk::Pixbuf> hd_icon = default_icon_theme->load_icon("gtk-harddisk", 64, 2, Gtk::IconLookupFlags(0));
This makes a pixbuf of size 128 (the filename points to 128-size png).
However, when this pixbuf is set on a GtkIconView, it's scaled by it,
making the size 256.
Basically, I need a method of disabling GtkIconView's scaling of icons.
Thanks,
Alexander
On Tue, 2017-10-03 at 19:43 +0400, Alexander Shaduri wrote:
> Hi Stefan,
>
> On Tue, 2017-10-03 at 16:59 +0200, Stefan Salewski wrote:
> >
> > Have you tried
> >
> > https://developer.gnome.org/gtk3/stable/GtkIconTheme.html#gtk-icon-theme-load-icon-for-scale
>
> Yes I have tried gtk_icon_theme_lookup_icon_for_scale().
> Passing size=64 and scale=2 to this function results in a blurry icon
> of size 256. It seems the icon is scaled twice - once by "scale" and
> once
> more by GDK_SCALE=2.
> Passing scale=1 gets me a blurry 128-size icon.
>
> >
> > There you will find a reference to
> >
> > https://developer.gnome.org/gtk3/stable/GtkIconTheme.html#gtk-icon-theme-load-icon-for-scale
> >
> > where notes about displays with high pixel densities exists.
>
> I guess you meant gtk_icon_theme_lookup_icon(). It just says to use
> gtk_icon_theme_lookup_icon_for_scale(), which gets me a blurry icon.
>
> Thanks,
> Alexander
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