hello,
I am having trouble to save gegl operations to repeat them later. I
think, that gegl_node_to_xml is the operation I am looking for, but this
can be wrong.
I wrote this small program:
#include <stdio.h>
#include <gegl.h>
gint
main (gint argc,
gchar **argv)
{
GeglNode *gegl, *gn_load, *gn_save, *gn_op;
gchar* xmltext;
g_thread_init (NULL);
gegl_init (&argc, &argv);
gegl = gegl_node_new ();
gn_load = gegl_node_new_child(gegl, "operation", "gegl:load",
"path", "bsp-900x600.jpg", NULL);
gn_save = gegl_node_new_child(gegl, "operation", "gegl:jpg-save",
"path", "out.jpg", NULL);
gn_op = gegl_node_new_child(gegl, "operation",
"gegl:unsharp-mask", "std-dev", 1.2, "scale", 8.0, NULL);
gegl_node_link_many (gn_load, gn_op, gn_save, NULL);
gegl_node_process (gn_save);
gegl_node_to_xml(gegl, xmltext);
printf("xmltext: %s\n", xmltext);
g_object_unref (gegl);
gegl_exit ();
return 0;
}
These are the library version ldd told me:
linux-gate.so.1 => (0xb78a1000)
libgegl-0.1.so.0 => /usr/lib/libgegl-0.1.so.0 (0xb782c000)
libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xb76cb000)
libgobject-2.0.so.0 => /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
(0xb7683000)
libgthread-2.0.so.0 => /usr/lib/i386-linux-gnu/libgthread-2.0.so.0
(0xb767e000)
libgio-2.0.so.0 => /usr/lib/i386-linux-gnu/libgio-2.0.so.0 (0xb757b000)
libgmodule-2.0.so.0 => /usr/lib/i386-linux-gnu/libgmodule-2.0.so.0
(0xb7577000)
librt.so.1 => /lib/i386-linux-gnu/librt.so.1 (0xb756e000)
libglib-2.0.so.0 => /lib/i386-linux-gnu/libglib-2.0.so.0 (0xb7496000)
libbabl-0.1.so.0 => /usr/local/lib/libbabl-0.1.so.0 (0xb7448000)
libm.so.6 => /lib/i386-linux-gnu/libm.so.6 (0xb7422000)
libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0xb7409000)
/lib/ld-linux.so.2 (0xb78a2000)
libresolv.so.2 => /lib/i386-linux-gnu/libresolv.so.2 (0xb73f4000)
libz.so.1 => /lib/i386-linux-gnu/libz.so.1 (0xb73de000)
libselinux.so.1 => /lib/i386-linux-gnu/libselinux.so.1 (0xb73c3000)
libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2 (0xb73bf000)
libpcre.so.3 => /lib/i386-linux-gnu/libpcre.so.3 (0xb7380000)
And I hoped, that xmltext would be string, containing a xml tree for
this little gegl operation. unfortunally all I got where a handful of
binary bytes - not the xml text (somthing like "<gegl>....</gegl>") I
hoped for.
Any hints for me?
thanks in advance
Joerg
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