本文整理汇总了C++中Output::causes_dataloss方法的典型用法代码示例。如果您正苦于以下问题：C++ Output::causes_dataloss方法的具体用法？C++ Output::causes_dataloss怎么用？C++ Output::causes_dataloss使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Output的用法示例。
在下文中一共展示了Output::causes_dataloss方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: no_extension_found
//.........这里部分代码省略.........
if (!g_str_has_suffix(lowerfile, lowerext)) {
fileName = g_strdup_printf("%s%s", filename, omod->get_extension());
}
g_free(lowerfile);
g_free(lowerext);
}
if (fileName == NULL) {
fileName = g_strdup(filename);
}
if (check_overwrite && !sp_ui_overwrite_file(fileName)) {
g_free(fileName);
throw Output::no_overwrite();
}
// test if the file exists and is writable
// the test only checks the file attributes and might pass where ACL does not allow to write
if (Inkscape::IO::file_test(filename, G_FILE_TEST_EXISTS) && !Inkscape::IO::file_is_writable(filename)) {
g_free(fileName);
throw Output::file_read_only();
}
Inkscape::XML::Node *repr = doc->getReprRoot();
// remember attributes in case this is an unofficial save and/or overwrite fails
gchar *saved_uri = g_strdup(doc->getURI());
gchar *saved_output_extension = NULL;
gchar *saved_dataloss = NULL;
bool saved_modified = doc->isModifiedSinceSave();
saved_output_extension = g_strdup(get_file_save_extension(save_method).c_str());
saved_dataloss = g_strdup(repr->attribute("inkscape:dataloss"));
if (official) {
// The document is changing name/uri.
doc->changeUriAndHrefs(fileName);
}
// Update attributes:
{
bool const saved = DocumentUndo::getUndoSensitive(doc);
DocumentUndo::setUndoSensitive(doc, false);
{
// also save the extension for next use
store_file_extension_in_prefs (omod->get_id(), save_method);
// set the "dataloss" attribute if the chosen extension is lossy
repr->setAttribute("inkscape:dataloss", NULL);
if (omod->causes_dataloss()) {
repr->setAttribute("inkscape:dataloss", "true");
}
}
DocumentUndo::setUndoSensitive(doc, saved);
doc->setModifiedSinceSave(false);
}
try {
omod->save(doc, fileName);
}
catch(...) {
// revert attributes in case of official and overwrite
if(check_overwrite && official) {
bool const saved = DocumentUndo::getUndoSensitive(doc);
DocumentUndo::setUndoSensitive(doc, false);
{
store_file_extension_in_prefs (saved_output_extension, save_method);
repr->setAttribute("inkscape:dataloss", saved_dataloss);
}
DocumentUndo::setUndoSensitive(doc, saved);
doc->changeUriAndHrefs(saved_uri);
}
doc->setModifiedSinceSave(saved_modified);
// free used ressources
g_free(saved_output_extension);
g_free(saved_dataloss);
g_free(saved_uri);
g_free(fileName);
throw Inkscape::Extension::Output::save_failed();
}
// If it is an unofficial save, set the modified attributes back to what they were.
if ( !official) {
bool const saved = DocumentUndo::getUndoSensitive(doc);
DocumentUndo::setUndoSensitive(doc, false);
{
store_file_extension_in_prefs (saved_output_extension, save_method);
repr->setAttribute("inkscape:dataloss", saved_dataloss);
}
DocumentUndo::setUndoSensitive(doc, saved);
doc->setModifiedSinceSave(saved_modified);
g_free(saved_output_extension);
g_free(saved_dataloss);
}
g_free(fileName);
return;
}示例2: no_extension_found
//.........这里部分代码省略.........
/* If autodetect fails, save as Inkscape SVG */
if (omod == NULL) {
omod = dynamic_cast<Output *>(db.get(SP_MODULE_KEY_OUTPUT_SVG_INKSCAPE));
}
} else {
omod = dynamic_cast<Output *>(key);
}
if (!dynamic_cast<Output *>(omod)) {
g_warning("Unable to find output module to handle file: %s\n", filename);
throw Output::no_extension_found();
return;
}
omod->set_state(Extension::STATE_LOADED);
if (!omod->loaded()) {
throw Output::save_failed();
}
if (!omod->prefs()) {
throw Output::save_cancelled();
}
gchar *fileName = NULL;
if (setextension) {
gchar *lowerfile = g_utf8_strdown(filename, -1);
gchar *lowerext = g_utf8_strdown(omod->get_extension(), -1);
if (!g_str_has_suffix(lowerfile, lowerext)) {
fileName = g_strdup_printf("%s%s", filename, omod->get_extension());
}
g_free(lowerfile);
g_free(lowerext);
}
if (fileName == NULL) {
fileName = g_strdup(filename);
}
if (check_overwrite && !sp_ui_overwrite_file(fileName)) {
g_free(fileName);
throw Output::no_overwrite();
}
Inkscape::XML::Node *repr = sp_document_repr_root(doc);
// remember attributes in case this is an unofficial save
bool saved_modified = false;
gchar *saved_output_extension = NULL;
gchar *saved_dataloss = NULL;
gchar *saved_uri = NULL;
if (!official) {
saved_modified = doc->isModifiedSinceSave();
if (repr->attribute("inkscape:output_extension")) {
saved_output_extension = g_strdup(repr->attribute("inkscape:output_extension"));
}
if (repr->attribute("inkscape:dataloss")) {
saved_dataloss = g_strdup(repr->attribute("inkscape:dataloss"));
}
if (doc->uri) {
saved_uri = g_strdup(doc->uri);
}
}
// update attributes:
bool saved = sp_document_get_undo_sensitive(doc);
sp_document_set_undo_sensitive (doc, false);
// save the filename for next use
sp_document_set_uri(doc, fileName);
// also save the extension for next use
repr->setAttribute("inkscape:output_extension", omod->get_id());
// set the "dataloss" attribute if the chosen extension is lossy
repr->setAttribute("inkscape:dataloss", NULL);
if ( omod->causes_dataloss() ) {
repr->setAttribute("inkscape:dataloss", "true");
}
sp_document_set_undo_sensitive (doc, saved);
doc->setModifiedSinceSave(false);
omod->save(doc, fileName);
// if it is an unofficial save, set the modified attributes back to what they were
if ( !official) {
saved = sp_document_get_undo_sensitive(doc);
sp_document_set_undo_sensitive (doc, false);
repr->setAttribute("inkscape:output_extension", saved_output_extension);
repr->setAttribute("inkscape:dataloss", saved_dataloss);
sp_document_set_uri(doc, saved_uri);
sp_document_set_undo_sensitive (doc, saved);
doc->setModifiedSinceSave(saved_modified);
}
if (saved_output_extension) g_free(saved_output_extension);
if (saved_dataloss) g_free(saved_dataloss);
if (saved_uri) g_free(saved_uri);
g_free(fileName);
return;
}