static void
_dae_update_data(DiagramAsElement *dae)
{
struct stat statbuf;
Element *elem = &dae->element;
DiaObject *obj = &elem->object;
static int working = 0;
if (working > 2)
return; /* protect against infinite recursion */
++working;
if ( strlen(dae->filename)
&& g_stat(dae->filename, &statbuf) == 0
&& dae->mtime != statbuf.st_mtime) {
DiaImportFilter *inf;
if (dae->data)
g_object_unref(dae->data);
dae->data = g_object_new (DIA_TYPE_DIAGRAM_DATA, NULL);
inf = filter_guess_import_filter(dae->filename);
if (inf) {
DiaContext *ctx = dia_context_new (diagram_as_element_type.name);
dia_context_set_filename (ctx, dae->filename);
if (inf->import_func(dae->filename, dae->data, ctx, inf->user_data)) {
data_update_extents (dae->data); /* should already be called by importer? */
dae->scale = dae->element.width / (dae->data->extents.right - dae->data->extents.left);
dae->element.height = (dae->data->extents.bottom - dae->data->extents.top) * dae->scale;
dae->mtime = statbuf.st_mtime;
}
/* FIXME: where to put the message in case of an error? */
dia_context_release (ctx);
}
/* invalidate possibly cached image */
if (dae->image) {
g_object_unref (dae->image);
dae->image = NULL;
}
}
/* fixme - fit the scale to draw the diagram in elements size ?*/
if (dae->scale)
dae->scale = dae->element.width / (dae->data->extents.right - dae->data->extents.left);
elem->extra_spacing.border_trans = dae->border_line_width/2.0;
element_update_boundingbox(elem);
element_update_handles(elem);
element_update_connections_rectangle(elem, dae->connections);
/* adjust objects position, otherwise it'll jump on move */
obj->position = elem->corner;
--working;
}
/** Convert infname to outfname, using input filter inf and export filter
* ef. If either is null, try to guess them.
* size might be NULL.
*/
static gboolean
do_convert(const char *infname,
const char *outfname, DiaExportFilter *ef,
const char *size,
char *show_layers)
{
DiaImportFilter *inf;
DiagramData *diagdata = NULL;
DiaContext *ctx;
inf = filter_guess_import_filter(infname);
if (!inf)
inf = &dia_import_filter;
if (ef == NULL) {
ef = filter_guess_export_filter(outfname);
if (!ef) {
g_critical(_("%s error: don't know how to export into %s\n"),
argv0,outfname);
exit(1);
}
}
dia_is_interactive = FALSE;
if (0==strcmp(infname,outfname)) {
g_critical(_("%s error: input and output filenames are identical: %s"),
argv0, infname);
exit(1);
}
diagdata = g_object_new (DIA_TYPE_DIAGRAM_DATA, NULL);
ctx = dia_context_new(_("Import"));
if (!inf->import_func(infname, diagdata, ctx, inf->user_data)) {
g_critical(_("%s error: need valid input file %s\n"),
argv0, infname);
exit(1);
}
/* Apply --show-layers */
if (show_layers)
handle_show_layers(diagdata, show_layers);
/* recalculate before export */
data_update_extents(diagdata);
/* Do our best in providing the size to the filter, but don't abuse user_data
* too much for it. It _must not_ be changed after initialization and there
* are quite some filter selecting their output format by it. --hb
*/
if (size) {
if (ef == filter_export_get_by_name ("png-libart")) /* the warning we get is appropriate, don't cast */
ef->export_func(diagdata, ctx, outfname, infname, size);
else {
g_warning ("--size parameter unsupported for %s filter",
ef->unique_name ? ef->unique_name : "selected");
ef->export_func(diagdata, ctx, outfname, infname, ef->user_data);
}
}
else
ef->export_func(diagdata, ctx, outfname, infname, ef->user_data);
/* if (!quiet) */ fprintf(stdout,
_("%s --> %s\n"),
infname,outfname);
g_object_unref(diagdata);
dia_context_release(ctx);
return TRUE;
}