Backup of the mirror effect of and item on the board

src/domain/UBGraphicsDelegateFrame.cpp

@@ -210,6 +210,9 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
     {
         if (resizingBottomRight())
         {
+            // -----------------------------------------------------
+            // ! We want to keep the aspect ratio with this resize !
+            // -----------------------------------------------------
             qreal scaleX = (width + moveX) / width;
             qreal scaleY = (height + moveY) / height;
             qreal scaleFactor = (scaleX + scaleY) / 2;
@@ -230,39 +233,56 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
                     mScaleY = scaleY;
                 }
             }
-        }
-        else if (resizingLeft())
+        }else if (resizingLeft() || resizingRight())
         {
-            qreal scaleX = (width - moveX) / width;
-            if (scaleX > 1 || (width * scaleX) > 2 * mFrameWidth)
-            {
-                mScaleX = scaleX;
-                mTranslateX = moveX;
-            }
-        }
-        else if (resizingRight())
-        {
-            qreal scaleX = (width + moveX) / width;
-            if (scaleX > 1 || (width * scaleX) > 2 * mFrameWidth)
-            {
-                mScaleX = scaleX;
-            }
-        }
-        else if (resizingTop())
-        {
-            qreal scaleY = (height - moveY) / height;
-            if (scaleY > 1 || (height * scaleY) > 2 * mFrameWidth)
-            {
-                mScaleY = scaleY;
-                mTranslateY = moveY;
+            if(width != 0){
+                qreal scaleX = 0.0;
+                if(resizingLeft()){
+                    scaleX = (width - moveX) / width;
+                }else if(resizingRight()){
+                    scaleX = (width + moveX) / width;
+                }
+                if(mDelegate->isFlippable() && qAbs(scaleX) != 0){
+                    if((width * qAbs(scaleX)) < 2*mFrameWidth){
+                        bool negative = (scaleX < 0)?true:false;
+                        if(negative){
+                            scaleX = -2*mFrameWidth/width;
+                        }else{
+                            scaleX = 2*mFrameWidth/width;
+                        }
+                    }
+                    mScaleX = scaleX;
+                }else if (scaleX > 1 || (width * scaleX) > 2 * mFrameWidth){
+                    mScaleX = scaleX;
+                    if(resizingLeft()){
+                        mTranslateX = moveX;
+                    }
+                }
             }
-        }
-        else if (resizingBottom())
-        {
-            qreal scaleY = (height + moveY) / height;
-            if (scaleY > 1 || (height * scaleY) > 2 * mFrameWidth)
-            {
-                mScaleY = scaleY;
+        }else if(resizingTop() || resizingBottom()){
+            if(height != 0){
+                qreal scaleY = 0.0;
+                if(resizingTop()){
+                    scaleY = (height - moveY) / height;
+                }else if(resizingBottom()){
+                    scaleY = (height + moveY) / height;
+                }
+
+                if(mDelegate->isFlippable() && qAbs(scaleY) != 0){
+                    if((height * qAbs(scaleY)) < 2*mFrameWidth){
+                        bool negative = (scaleY < 0)?true:false;
+                        if(negative){
+                            scaleY = -2*mFrameWidth/width;
+                        }else{
+                            scaleY = 2*mFrameWidth/width;
+                        }
+                    }
+                    mScaleY = scaleY;
+                }else if (scaleY > 1 || (height * scaleY) > 2 * mFrameWidth)
+                {
+                    mScaleY = scaleY;
+                    mTranslateY = moveY;
+                }
             }
         }
     }

src/domain/UBGraphicsItemDelegate.cpp

@@ -64,6 +64,7 @@ UBGraphicsItemDelegate::UBGraphicsItemDelegate(QGraphicsItem* pDelegated, QObjec
     , mCanDuplicate(true)
     , mRespectRatio(respectRatio)
     , mMimeData(NULL)
+    , mFlippable(false)
 {
     // NOOP
 }
@@ -459,4 +460,12 @@ void UBGraphicsItemDelegate::showMenu()
     mMenu->exec(cv->mapToGlobal(pinPos.bottomRight()));
 }
 
+void UBGraphicsItemDelegate::setFlippable(bool flippable)
+{
+    mFlippable = flippable;
+}
 
+bool UBGraphicsItemDelegate::isFlippable()
+{
+    return mFlippable;
+}

src/domain/UBGraphicsItemDelegate.h

@@ -130,6 +130,9 @@ class UBGraphicsItemDelegate : public QObject
         QMimeData* mimeData(){ return mMimeData; }
         void setMimeData(QMimeData* mimeData);
 
+        void setFlippable(bool flippable);
+        bool isFlippable();
+
     signals:
         void showOnDisplayChanged(bool shown);
         void lockChanged(bool locked);
@@ -180,6 +183,9 @@ private:
         bool mCanDuplicate;
         bool mRespectRatio;
         QMimeData* mMimeData;
+
+        /** A boolean saying that this object can be flippable (mirror effect) */
+        bool mFlippable;
 };
 
 

src/domain/UBGraphicsPixmapItem.cpp

@@ -30,6 +30,10 @@ UBGraphicsPixmapItem::UBGraphicsPixmapItem(QGraphicsItem* parent)
 {
     mDelegate = new UBGraphicsItemDelegate(this, 0, true, true);
     mDelegate->init();
+
+    // NOTE: Do not remove this code, I'm just doing a backup of my changes! thx..
+    //mDelegate->setFlippable(true);
+
     setData(UBGraphicsItemData::ItemLayerType, UBItemLayerType::Object);
     setTransformationMode(Qt::SmoothTransformation);