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catch exceptions upon startup

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This commit is contained in:
Dane Springmeyer 2012-07-31 10:45:38 -07:00
parent d7d833dd13
commit e95886f327
1 changed files with 47 additions and 40 deletions
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87
demo/viewer/main.cpp
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@ -36,52 +36,59 @@ int main( int argc, char **argv )
using mapnik::datasource_cache;
using mapnik::freetype_engine;
QCoreApplication::setOrganizationName("Mapnik");
QCoreApplication::setOrganizationDomain("mapnik.org");
QCoreApplication::setApplicationName("Viewer");
QSettings settings("viewer.ini",QSettings::IniFormat);
// register input plug-ins
QString plugins_dir = settings.value("mapnik/plugins_dir",
QVariant("/usr/local/lib/mapnik/input/")).toString();
datasource_cache::instance()->register_datasources(plugins_dir.toStdString());
// register fonts
int count = settings.beginReadArray("mapnik/fonts");
for (int index=0; index < count; ++index)
try
{
settings.setArrayIndex(index);
QString font_dir = settings.value("dir").toString();
freetype_engine::register_fonts(font_dir.toStdString());
}
settings.endArray();
QCoreApplication::setOrganizationName("Mapnik");
QCoreApplication::setOrganizationDomain("mapnik.org");
QCoreApplication::setApplicationName("Viewer");
QSettings settings("viewer.ini",QSettings::IniFormat);
QApplication app( argc, argv );
MainWindow window;
window.show();
if (argc > 1) window.open(argv[1]);
if (argc >= 3)
{
QStringList list = QString(argv[2]).split(",");
if (list.size()==4)
// register input plug-ins
QString plugins_dir = settings.value("mapnik/plugins_dir",
QVariant("/usr/local/lib/mapnik/input/")).toString();
datasource_cache::instance()->register_datasources(plugins_dir.toStdString());
// register fonts
int count = settings.beginReadArray("mapnik/fonts");
for (int index=0; index < count; ++index)
{
settings.setArrayIndex(index);
QString font_dir = settings.value("dir").toString();
freetype_engine::register_fonts(font_dir.toStdString());
}
settings.endArray();
QApplication app( argc, argv );
MainWindow window;
window.show();
if (argc > 1) window.open(argv[1]);
if (argc >= 3)
{
QStringList list = QString(argv[2]).split(",");
if (list.size()==4)
{
bool ok;
double x0 = list[0].toDouble(&ok);
double y0 = list[1].toDouble(&ok);
double x1 = list[2].toDouble(&ok);
double y1 = list[3].toDouble(&ok);
if (ok) window.set_default_extent(x0,y0,x1,y1);
}
}
else
{
window.zoom_all();
}
if (argc == 4)
{
bool ok;
double x0 = list[0].toDouble(&ok);
double y0 = list[1].toDouble(&ok);
double x1 = list[2].toDouble(&ok);
double y1 = list[3].toDouble(&ok);
if (ok) window.set_default_extent(x0,y0,x1,y1);
double scaling_factor = QString(argv[3]).toDouble(&ok);
if (ok) window.set_scaling_factor(scaling_factor);
}
return app.exec();
}
else
catch (std::exception const& ex)
{
window.zoom_all();
std::cerr << "Could not start viewer: '" << ex.what() << "'\n";
return 1;
}
if (argc == 4)
{
bool ok;
double scaling_factor = QString(argv[3]).toDouble(&ok);
if (ok) window.set_scaling_factor(scaling_factor);
}
return app.exec();
}