On Mon, 2011-05-23 at 20:08 +0200, Till Hartmann wrote:
>
> mypaint uses pygtk, there's a convience method in gtk.gdk.pixbuf for
> additional metadata when saving pixbufs. I have no clue how it would
> look like in c GTK.
The code I am using looks like this (the mtime attribute is commented
out)
gchar *uri = g_strdup_printf("Thumb::URI\0file:///%s", thumbname);
static gchar *thumbnailsdir = NULL;
if(!thumbnailsdir) {
thumbnailsdir = g_build_filename (g_get_home_dir(),
".thumbnails", "large", NULL);
g_mkdir_with_parents(thumbnailsdir, 0700);
}
gchar * thumbpath = g_build_filename(thumbnailsdir,
thumbname, NULL);
//gchar *mt = g_strdup_printf("Thumb::MTime\0%d", mtime);
if(!gdk_pixbuf_save (pb, thumbpath, "png"/*type*/, &err,
"tEXt", uri/*, "tEXt", mt */, NULL))
this last line is the one saving attributes, type "tEXt" with value the
Thumb::URI and uri of the file separated by a NULL.
This gives an error message from gdkpixbuf
GdkPixbuf-WARNING **: Unrecognized parameter (tEXt) passed to PNG
saver.
which seems strange, not to say wrong.
Any ideas?
Richard
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