Improved Api for Qml Presentation System and fixed Layout issues

qmlprinter.h

@@ -18,6 +18,7 @@
 #include <QAbstractTextDocumentLayout>
 #include <QTextDocument>
 #include <QPrinterInfo>
+
 class QmlPrinter : public QObject
 {
     Q_OBJECT
@@ -35,12 +36,12 @@ private:
     bool isCustomPrintItem(const QString &item);
 
     void changePrinterOrientation(QPrinter& printer, const int& width, const int& height);
+
 public:
     explicit QmlPrinter(QObject *parent = 0);
     virtual ~QmlPrinter();
 
-    bool printPDF(const QString &location, QList<QQuickItem *> items, bool showPDF = false);
-    bool print(const QPrinterInfo& info, QList<QQuickItem*> items);
+    bool printPdf(const QString &location, QQuickItem* presentation);
     void addPrintableItem(const QString &item);
 signals: