int main(int argc, char *argv[])
{
char *program = argv[0];
if (argc != 2)
invocation_error(program, "[file]");
char *iname = argv[1];
FILE *istream;
if ((istream = fopen(iname, "rb")) == NULL)
exit_error(errno, program, iname);
char *oname = build_output_file_name(iname);
FILE *ostream;
if ((ostream = fopen(oname, "wb")) == NULL) {
print_error(errno, program, oname);
free(oname);
if (fclose(istream) == EOF)
exit_error(errno, program, iname);
exit(EXIT_FAILURE);
}
/*
* Process
*/
if (is_rle_file(oname))
encode_rle(istream, ostream);
else
decode_rle(istream, ostream);
/*
* Clean up
*/
free(oname);
if (fclose(istream) == EOF)
print_error(errno, program, iname);
if (fclose(ostream) == EOF)
exit_error(errno, program, oname);
return 0;
}
/** Handle loading of diagrams given on command line, including conversions.
* Returns TRUE if any automatic conversions were performed.
* Note to future hackers: 'size' is currently the only argument that can be
* sent to exporters. If more arguments are desired, please don't just add
* even more arguments, but create a more general system.
*/
static gboolean
handle_initial_diagram(const char *in_file_name,
const char *out_file_name,
const char *export_file_format,
const char *size,
char* show_layers,
const char *outdir) {
Diagram *diagram = NULL;
gboolean made_conversions = FALSE;
if (export_file_format) {
char *export_file_name = NULL;
DiaExportFilter *ef = NULL;
/* First try guessing based on extension */
export_file_name = build_output_file_name(in_file_name, export_file_format, outdir);
/* to make the --size hack even uglier but work again for the only filter supporting it */
if ( size && strcmp(export_file_format, "png") == 0)
ef = filter_export_get_by_name ("png-libart");
if (!ef)
ef = filter_guess_export_filter(export_file_name);
if (ef == NULL) {
ef = filter_export_get_by_name(export_file_format);
if (ef == NULL) {
g_critical(_("Can't find output format/filter %s\n"), export_file_format);
return FALSE;
}
g_free (export_file_name);
export_file_name = build_output_file_name(in_file_name, ef->extensions[0], outdir);
}
made_conversions |= do_convert(in_file_name,
(out_file_name != NULL?out_file_name:export_file_name),
ef, size, show_layers);
g_free(export_file_name);
} else if (out_file_name) {
DiaExportFilter *ef = NULL;
/* if this looks like an ugly hack to you, agreed ;) */
if (size && strstr(out_file_name, ".png"))
ef = filter_export_get_by_name ("png-libart");
made_conversions |= do_convert(in_file_name, out_file_name, ef,
size, show_layers);
} else {
if (g_file_test(in_file_name, G_FILE_TEST_EXISTS)) {
diagram = diagram_load (in_file_name, NULL);
} else {
diagram = new_diagram (in_file_name);
}
if (diagram != NULL) {
diagram_update_extents(diagram);
if (app_is_interactive()) {
layer_dialog_set_diagram(diagram);
/* the display initial diagram holds two references */
new_display(diagram);
} else {
g_object_unref(diagram);
}
}
}
return made_conversions;
}
