static gboolean
get_sub_location (RsvgHandle *handle,
const char *sub,
cairo_t *cr,
double *x,
double *y)
{
RsvgPositionData position;
double tx, ty;
if (!rsvg_handle_get_position_sub (handle, &position, sub)) {
g_warning ("Failed to retrieve '%s' position", sub);
return FALSE;
}
tx = (double) position.x;
ty = (double) position.y;
cairo_user_to_device (cr, &tx, &ty);
if (x)
*x = tx;
if (y)
*y = ty;
return TRUE;
}
int
main (int argc,
char **argv)
{
GOptionContext *context;
char const *fragment;
char const **filenames;
char const *file;
RsvgHandle *handle;
RsvgDimensionData dimensions;
RsvgPositionData position;
GError *error;
int exit_code;
int i;
GOptionEntry options[] = {
{ "fragment", 'f', 0, G_OPTION_ARG_STRING, &fragment, "The SVG fragment to address.", "<string>" },
{ G_OPTION_REMAINING, 0, G_OPTION_FLAG_FILENAME, G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL, "[FILE...]" },
{ NULL }
};
rsvg_init ();
context = NULL;
fragment = NULL;
filenames = NULL;
handle = NULL;
error = NULL;
context = g_option_context_new ("- SVG measuring tool.");
g_option_context_add_main_entries (context, options, NULL);
/* No args? */
if (argc < 2) {
show_help (context);
exit_code = EXIT_SUCCESS;
goto bail;
}
error = NULL;
g_option_context_parse (context, &argc, &argv, &error);
if (error) {
show_help (context);
g_warning ("%s", error->message);
exit_code = EXIT_FAILURE;
goto bail;
}
/* Invalid / missing args? */
if (filenames == NULL) {
show_help (context);
exit_code = EXIT_FAILURE;
goto bail;
}
g_option_context_free (context), context = NULL;
for (i = 0; NULL != (file = filenames[i]); i++) {
error = NULL;
handle = rsvg_handle_new_from_file (file, &error);
if (error) {
g_warning ("%s", error->message);
exit_code = EXIT_FAILURE;
goto bail;
}
if (fragment && handle) {
gboolean have_fragment = FALSE;
have_fragment |= rsvg_handle_get_dimensions_sub (handle,
&dimensions, fragment);
have_fragment |= rsvg_handle_get_position_sub (handle,
&position, fragment);
if (!have_fragment) {
g_warning ("%s: fragment `'%s' not found.",
file, fragment);
exit_code = EXIT_FAILURE;
goto bail;
}
printf ("%s, fragment `%s': x=%d, y=%d, %dx%d, em=%f, ex=%f\n",
file, fragment,
position.x, position.y,
dimensions.width, dimensions.height,
dimensions.em, dimensions.ex);
} else if (handle) {
rsvg_handle_get_dimensions (handle, &dimensions);
printf ("%s: %dx%d, em=%f, ex=%f\n", file,
dimensions.width, dimensions.height,
dimensions.em, dimensions.ex);
} else {
g_warning ("Could not open file `%s'", file);
exit_code = EXIT_FAILURE;
goto bail;
}
g_object_unref (handle), handle = NULL;
}
exit_code = EXIT_SUCCESS;
bail:
if (handle)
g_object_unref (handle), handle = NULL;
if (context)
g_option_context_free (context), context = NULL;
if (error)
g_error_free (error), error = NULL;
rsvg_term ();
return exit_code;
}
