Improve flipping control. Export from Details mode also should obey this rule.

ref #783.

--HG--
branch : develop

src/app/valentina/mainwindowsnogui.cpp

@@ -66,6 +66,7 @@
 
 namespace
 {
+//---------------------------------------------------------------------------------------------------------------------
 bool CreateLayoutPath(const QString &path)
 {
     bool usedNotExistedDir = true;
@@ -78,6 +79,7 @@ bool CreateLayoutPath(const QString &path)
     return usedNotExistedDir;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
 void RemoveLayoutPath(const QString &path, bool usedNotExistedDir)
 {
     if (usedNotExistedDir)
@@ -86,6 +88,27 @@ void RemoveLayoutPath(const QString &path, bool usedNotExistedDir)
         dir.rmpath(".");
     }
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+Q_REQUIRED_RESULT QGraphicsItem *ExportOriginalDetail(VLayoutPiece piece, bool textAsPaths)
+{
+    if (piece.IsForceFlipping())
+    {
+        piece.Mirror();
+    }
+
+    QGraphicsItem *item = piece.GetItem(textAsPaths);
+
+    if (piece.IsForceFlipping())
+    {
+        item->setPos(piece.GetMx()-item->boundingRect().width(), piece.GetMy());
+    }
+    else
+    {
+        item->setPos(piece.GetMx(), piece.GetMy());
+    }
+    return item;
+}
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -344,9 +367,7 @@ void MainWindowsNoGUI::ExportDetailsAsFlatLayout(const QVector<VLayoutPiece> &li
     QList<QGraphicsItem *> list;
     for (int i=0; i < listDetails.count(); ++i)
     {
-        QGraphicsItem *item = listDetails.at(i).GetItem(m_dialogSaveLayout->IsTextAsPaths());
+        list.append(ExportOriginalDetail(listDetails.at(i), m_dialogSaveLayout->IsTextAsPaths()));
-        item->setPos(listDetails.at(i).GetMx(), listDetails.at(i).GetMy());
-        list.append(item);
     }
 
     for (int i=0; i < list.size(); ++i)
@@ -464,9 +485,7 @@ void MainWindowsNoGUI::ExportDetailsAsApparelLayout(QVector<VLayoutPiece> listDe
     QList<QGraphicsItem *> list;
     for (int i=0; i < listDetails.count(); ++i)
     {
-        QGraphicsItem *item = listDetails.at(i).GetItem(m_dialogSaveLayout->IsTextAsPaths());
+        list.append(ExportOriginalDetail(listDetails.at(i), m_dialogSaveLayout->IsTextAsPaths()));
-        item->setPos(listDetails.at(i).GetMx(), listDetails.at(i).GetMy());
-        list.append(item);
     }
 
     for (int i=0; i < list.size(); ++i)

src/libs/vlayout/vlayoutpiece.cpp

@@ -777,6 +777,15 @@ void VLayoutPiece::Mirror(const QLineF &edge)
     d->mirror = !d->mirror;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutPiece::Mirror()
+{
+    QTransform m;
+    m.scale(-1, 1);
+    d->matrix *= m;
+    d->mirror = !d->mirror;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 int VLayoutPiece::DetailEdgesCount() const
 {

src/libs/vlayout/vlayoutpiece.h

@@ -117,6 +117,7 @@ public:
     void Translate(qreal dx, qreal dy);
     void Rotate(const QPointF &originPoint, qreal degrees);
     void Mirror(const QLineF &edge);
+    void Mirror();
 
     int    DetailEdgesCount() const;
     int    LayoutEdgesCount() const;