Backup of the mirroring

src/domain/UBGraphicsDelegateFrame.cpp

@@ -48,6 +48,8 @@ UBGraphicsDelegateFrame::UBGraphicsDelegateFrame(UBGraphicsItemDelegate* pDelega
     , mTotalTranslateX(0)
     , mTotalTranslateY(0)
     , mOperationMode(Scaling)
+    , mMirrorX(false)
+    , mMirrorY(false)
 {
     setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
 
@@ -156,14 +158,37 @@ void UBGraphicsDelegateFrame::initializeTransform()
     QPointF topRight = itemTransform.map(itemRect.topRight());
     QPointF  bottomLeft = itemTransform.map(itemRect.bottomLeft());
 
+    qreal horizontalFlip = (topLeft.x() > topRight.x()) ? -1 : 1;
+    if(horizontalFlip < 0){
+        // why this is because of the way of calculating the translations that checks which side is the most is the
+        // nearest instead of checking which one is the left side.
+        QPointF tmp = topLeft;
+        topLeft = topRight;
+        topRight = tmp;
+
+        // because of the calculation of the height is done by lenght and not deltaY
+        bottomLeft = itemTransform.map(itemRect.bottomRight());
+    }
+
+    qreal verticalFlip = (bottomLeft.y() < topLeft.y()) ? -1 : 1;
+    // not sure that is usefull
+    if(verticalFlip < 0){
+        topLeft = itemTransform.map(itemRect.bottomLeft());
+        topRight = itemTransform.map(itemRect.bottomRight());
+        bottomLeft = itemTransform.map(itemRect.topLeft());
+    }
+
     QLineF topLine(topLeft, topRight);
     QLineF leftLine(topLeft, bottomLeft);
     qreal width = topLine.length();
     qreal height = leftLine.length();
 
     mAngle = topLine.angle();
-    mTotalScaleX = width / itemRect.width();
-    mTotalScaleY = height / itemRect.height();
+
+    //the fact the the lenght is used we loose the horizontalFlip information
+    // a better way to do this is using DeltaX that preserve the direction information.
+    mTotalScaleX = (width / itemRect.width()) * horizontalFlip;
+    mTotalScaleY = height / itemRect.height() * verticalFlip;
 
     QTransform tr;
     QPointF center = delegated()->boundingRect().center();
@@ -192,6 +217,7 @@ void UBGraphicsDelegateFrame::mousePressEvent(QGraphicsSceneMouseEvent *event)
     mAngleOffset = 0;
 
     mInitialTransform = buildTransform();
+
     mCurrentTool = toolFromPos(event->pos());
 
     event->accept();
@@ -205,9 +231,16 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
     qreal moveY = -move.length() * sin((move.angle() - mAngle) * PI / 180);
     qreal width = delegated()->boundingRect().width() * mTotalScaleX;
     qreal height = delegated()->boundingRect().height() * mTotalScaleY;
+    mTranslateX = moveX;
+
 
     if(mOperationMode == Scaling)
     {
+//        // Hide the buttons
+//        mDelegate->setButtonsVisible(false);
+//        mResizing = true;
+
+        // Perform the resize
         if (resizingBottomRight())
         {
             // -----------------------------------------------------
@@ -240,11 +273,12 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
                 if(resizingLeft()){
                     scaleX = (width - moveX) / width;
                 }else if(resizingRight()){
-                    scaleX = (width + moveX) / width;
+                  scaleX = (width + moveX) / width;
                 }
                 if(mDelegate->isFlippable() && qAbs(scaleX) != 0){
-                    if((width * qAbs(scaleX)) < 2*mFrameWidth){
+                    if((qAbs(width * scaleX)) < 2*mFrameWidth){
                         bool negative = (scaleX < 0)?true:false;
+                        mMirrorX = (negative?mMirrorX:!mMirrorX);
                         if(negative){
                             scaleX = -2*mFrameWidth/width;
                         }else{
@@ -269,8 +303,9 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
                 }
 
                 if(mDelegate->isFlippable() && qAbs(scaleY) != 0){
-                    if((height * qAbs(scaleY)) < 2*mFrameWidth){
+                    if((qAbs(height * scaleY)) < 2*mFrameWidth){
                         bool negative = (scaleY < 0)?true:false;
+                        mMirrorY = (negative?mMirrorY:!mMirrorY);
                         if(negative){
                             scaleY = -2*mFrameWidth/width;
                         }else{
@@ -281,7 +316,9 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
                 }else if (scaleY > 1 || (height * scaleY) > 2 * mFrameWidth)
                 {
                     mScaleY = scaleY;
-                    mTranslateY = moveY;
+                    if(resizingTop()){
+                        mTranslateY = moveY;
+                    }
                 }
             }
         }
@@ -421,6 +458,12 @@ void UBGraphicsDelegateFrame::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 
     mCurrentTool = None;
     QGraphicsRectItem::mouseReleaseEvent(event);
+
+    // Show the buttons
+    if(isResizing()){
+        mResizing = false;
+    }
+    mDelegate->setButtonsVisible(true);
 }
 
 
@@ -464,6 +507,14 @@ void UBGraphicsDelegateFrame::positionHandles()
     QPointF bottomLeft = itemTransform.map(itemRect.bottomLeft());
     QPointF center = itemTransform.map(itemRect.center());
 
+    // Handle the mirroring
+    if(topLeft.x() > topRight.x()){
+        QPointF tmp = topRight;
+        topRight = topLeft;
+        topLeft = tmp;
+        bottomLeft.setX(topLeft.x());
+    }
+
     QLineF topLine(topLeft, topRight);
     qreal angle = topLine.angle();
     qreal width = topLine.length();
@@ -507,17 +558,8 @@ void UBGraphicsDelegateFrame::positionHandles()
     mBottomRightResizeGripSvgItem->setPos(rect().right() - brRect.width(), rect().bottom() - brRect.height());
     mBottomResizeGripSvgItem->setPos(rect().center().x() - bRect.width() / 2, rect().bottom() - bRect.height());
 
-    if(0 <= mScaleX){
-        mLeftResizeGripSvgItem->setPos(rect().left(), rect().center().y() - lRect.height() / 2);
-        mRightResizeGripSvgItem->setPos(rect().right() - rRect.width(), rect().center().y() - rRect.height() / 2);
-    }else{
-        mLeftResizeGripSvgItem->setPos(rect().right() - rRect.width(), rect().center().y() - lRect.height() / 2);
-        mRightResizeGripSvgItem->setPos(rect().left() , rect().center().y() - rRect.height() / 2);
-    }
-
-    if(0 < mScaleY){
-
-    }
+    mLeftResizeGripSvgItem->setPos(rect().left(), rect().center().y() - lRect.height() / 2);
+    mRightResizeGripSvgItem->setPos(rect().right() - rRect.width(), rect().center().y() - rRect.height() / 2);
 
     mTopResizeGripSvgItem->setPos(rect().center().x() - trRect.width() / 2, rect().y());
     mRotateButton->setPos(rect().right() - mFrameWidth - 5, rect().top() + 5);
@@ -571,14 +613,37 @@ UBGraphicsDelegateFrame::FrameTool UBGraphicsDelegateFrame::toolFromPos(QPointF
                 return None;
     else if (bottomRightResizeGripRect().contains(pos))
         return ResizeBottomRight;
-    else if (bottomResizeGripRect().contains(pos))
-        return ResizeBottom;
-    else if (leftResizeGripRect().contains(pos))
-        return ResizeLeft;
-    else if (rightResizeGripRect().contains(pos))
-        return ResizeRight;
-    else if (topResizeGripRect().contains(pos))
-        return ResizeTop;
+    else if (bottomResizeGripRect().contains(pos)){
+            if(mMirrorY){
+                return ResizeTop;
+            }else{
+                return ResizeBottom;
+            }
+        }
+    else if (leftResizeGripRect().contains(pos)){
+            qDebug() << "LEFT GRIP (" << mMirrorX << ")";
+            if(mMirrorX){
+                return ResizeRight;
+            }else{
+                return ResizeLeft;
+            }
+            return ResizeLeft;
+        }
+    else if (rightResizeGripRect().contains(pos)){
+            qDebug() << "RIGHT GRIP (" << mMirrorX << ")";
+            if(mMirrorX){
+                return ResizeLeft;
+            }else{
+                return ResizeRight;
+            }
+        }
+    else if (topResizeGripRect().contains(pos)){
+            if(mMirrorY){
+                return ResizeBottom;
+            }else{
+                return ResizeTop;
+            }
+        }
     else if (rotateButtonBounds().contains(pos) && mDelegate && mDelegate->canRotate())
         return Rotate;
     else
@@ -621,3 +686,22 @@ QRectF UBGraphicsDelegateFrame::rotateButtonBounds() const
     return QRectF(rect().right()- mFrameWidth, rect().top(), mFrameWidth, mFrameWidth);
 }
 
+void UBGraphicsDelegateFrame::refreshGeometry()
+{
+    // Here we want to have the left on the left, the right on the right, the top on the top and the bottom on the bottom!
+    QRectF itemRect = delegated()->boundingRect();
+    QTransform itemTransform = delegated()->sceneTransform();
+    QPointF topLeft = itemTransform.map(itemRect.topLeft());
+    QPointF topRight = itemTransform.map(itemRect.topRight());
+    QPointF bottomLeft = itemTransform.map(itemRect.bottomLeft());
+    QPointF center = itemTransform.map(itemRect.center());
+
+    qDebug() << topLeft << ", " << topRight << ", " << bottomLeft;
+
+    QLineF topLine(topLeft, topRight);
+    qreal angle = topLine.angle();
+    qreal width = topLine.length();
+    QLineF leftLine(topLeft, bottomLeft);
+    qreal height = leftLine.length();
+    setRect(topRight.x() - mFrameWidth, topLeft.y() - mFrameWidth, width + 2*mFrameWidth, height + 2*mFrameWidth);
+}

src/domain/UBGraphicsDelegateFrame.h

@@ -47,6 +47,7 @@ class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
 
         enum OperationMode {Scaling, Resizing};
         void setOperationMode(OperationMode pMode) {mOperationMode = pMode;}
+        bool isResizing(){return mResizing;}
 
     private:
         QRectF bottomRightResizeGripRect() const;
@@ -69,8 +70,8 @@ class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
         void  initializeTransform ();
 
         enum FrameTool {None, Move, Rotate, ResizeBottomRight, ResizeTop, ResizeRight, ResizeBottom, ResizeLeft};
-
-                FrameTool toolFromPos (QPointF pos);
+        FrameTool toolFromPos (QPointF pos);
+        void refreshGeometry();
 
         FrameTool mCurrentTool;
         UBGraphicsItemDelegate* mDelegate;
@@ -111,5 +112,10 @@ class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
         OperationMode mOperationMode;
 
         QGraphicsItem* delegated();
+        bool mMirrorX;
+        bool mMirrorY;
+        bool mResizing;
+        bool mMirroredXAtStart;
+        bool mMirroredYAtStart;
 };
 #endif /* UBGRAPHICSDELEGATEFRAME_H_ */

src/domain/UBGraphicsItemDelegate.cpp

@@ -239,6 +239,8 @@ void UBGraphicsItemDelegate::positionHandles()
 
         mDeleteButton->setTransform(tr);
 
+
+        // This is where the position of the buttons is calculated. It starts always on the topleft of mFrame!
         qreal x = mFrame->rect().left()- mDeleteButton->renderer()->viewBox().width() * mAntiScaleRatio / 2;
         qreal y = mFrame->rect().top() - mDeleteButton->renderer()->viewBox().height() * mAntiScaleRatio / 2;
 
@@ -251,7 +253,9 @@ void UBGraphicsItemDelegate::positionHandles()
                 mDelegated->scene()->addItem(mDeleteButton);
         }
 
-        mDeleteButton->show();
+        if(!mFrame->isResizing()){
+            mDeleteButton->show();
+        }
 
         bool shownOnDisplay = mDelegated->data(UBGraphicsItemData::ItemLayerType).toInt() != UBItemLayerType::Control;
         showHide(shownOnDisplay);
@@ -264,13 +268,17 @@ void UBGraphicsItemDelegate::positionHandles()
 
             button->setTransform(tr);
             button->setPos(x + (i * 1.6 * mFrameWidth * mAntiScaleRatio), y);
+
+
             if (!button->scene())
             {
                 button->setParentItem(mFrame);//update parent for the case the item has been previously removed from scene
                 if (mDelegated->scene())
                     mDelegated->scene()->addItem(button);
             }
-            button->show();
+            if(!mFrame->isResizing()){
+                button->show();
+            }
         }
     }
     else
@@ -469,3 +477,10 @@ bool UBGraphicsItemDelegate::isFlippable()
 {
     return mFlippable;
 }
+
+void UBGraphicsItemDelegate::setButtonsVisible(bool visible)
+{
+    foreach(DelegateButton* pButton, mButtons){
+        pButton->setVisible(visible);
+    }
+}

src/domain/UBGraphicsItemDelegate.h

@@ -133,6 +133,8 @@ class UBGraphicsItemDelegate : public QObject
         void setFlippable(bool flippable);
         bool isFlippable();
 
+        void setButtonsVisible(bool visible);
+
     signals:
         void showOnDisplayChanged(bool shown);
         void lockChanged(bool locked);