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Файл примера main.cpp
demos/composition/main.cpp

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 #include "composition.h"

 #include <QApplication>
 #ifdef QT_OPENGL_SUPPORT
 #include <QtOpenGL>
 #endif

 int main(int argc, char **argv)
 {
  //   Q_INIT_RESOURCE(deform);

 #ifdef QT_OPENGL_SUPPORT
     QGL::setPreferredPaintEngine(QPaintEngine::OpenGL);
 #endif
     QApplication app(argc, argv);

     CompositionWidget compWidget(0);
     QStyle *arthurStyle = new ArthurStyle();
     compWidget.setStyle(arthurStyle);

     QList<QWidget *> widgets = qFindChildren<QWidget *>(&compWidget);
     foreach (QWidget *w, widgets)
         w->setStyle(arthurStyle);
     compWidget.show();

     return app.exec();
 }