#ifndef PREVIEW_PROVIDER_H
#define PREVIEW_PROVIDER_H
+#if defined(QT4)
#include <QDeclarativeImageProvider>
+#elif defined(QT5)
+#include <QQuickImageProvider>
+#endif
#include <QMutex>
+#if defined(QT4)
class PreviewProvider : public QDeclarativeImageProvider {
+#elif defined(QT5)
+class PreviewProvider : public QQuickImageProvider {
+#endif
+
public:
PreviewProvider();
~PreviewProvider();