static void
select_grow_callback (GtkWidget *widget,
gdouble size,
GimpUnit unit,
gpointer data)
{
GimpImage *image = GIMP_IMAGE (data);
gdouble radius_x;
gdouble radius_y;
radius_x = radius_y = select_grow_pixels = ROUND (size);
if (unit != GIMP_UNIT_PIXEL)
{
gdouble factor;
factor = (MAX (image->xresolution, image->yresolution) /
MIN (image->xresolution, image->yresolution));
if (image->xresolution == MIN (image->xresolution, image->yresolution))
radius_y *= factor;
else
radius_x *= factor;
}
gimp_channel_grow (gimp_image_get_mask (image), radius_x, radius_y, TRUE);
gimp_image_flush (image);
}
static GimpValueArray *
selection_grow_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpImage *image;
gint32 steps;
image = gimp_value_get_image (gimp_value_array_index (args, 0), gimp);
steps = g_value_get_int (gimp_value_array_index (args, 1));
if (success)
{
gimp_channel_grow (gimp_image_get_mask (image),
steps, steps, TRUE);
}
return gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
}