Exemplos de QgsPaintEffectRegistry::createEffect em C++ (Cpp)

Exemplo n.º 1

void TestQgsPaintEffectRegistry::createEffect()
{
  QgsPaintEffectRegistry* registry = QgsApplication::paintEffectRegistry();
  QgsPaintEffect* effect = registry->createEffect( QStringLiteral( "Dummy" ) );

  QVERIFY( effect );
  DummyPaintEffect* dummyEffect = dynamic_cast<DummyPaintEffect*>( effect );
  QVERIFY( dummyEffect );
  delete effect;

  //try creating a bad effect
  effect = registry->createEffect( QStringLiteral( "bad effect" ) );
  QVERIFY( !effect );
}