Horizontal piece flipping.

ChangeLog.txt

@@ -59,6 +59,7 @@
 - New tools: Arc start point, Arc end point.
 - Optimize U-notch shape.
 - New feature. Boundary together with notches.
+- Puzzle app. Horizontal piece flipping.
 
 # Valentina 0.7.52 September 12, 2022
 - Fix crash when default locale is ru.

src/app/puzzle/layout/vppiece.cpp

@@ -144,7 +144,7 @@ VPPiece::VPPiece(const VLayoutPiece &layoutPiece)
 
     if (IsForceFlipping())
     {
-        Flip();
+        FlipVertically();
     }
 }
 
@@ -200,7 +200,8 @@ void VPPiece::ClearTransformations()
     const QPointF offset = MappedDetailBoundingRect().topLeft();
     Translate(-offset.x(), -offset.y());
 
-    SetMirror(false);
+    SetVerticallyFlipped(false);
+    SetHorizontallyFlipped(false);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -287,7 +288,7 @@ void VPPiece::SetGrainline(const VPieceGrainline &grainline)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VPPiece::Flip()
+void VPPiece::FlipVertically()
 {
     QTransform pieceMatrix = GetMatrix();
     QPointF center = pieceMatrix.map(DetailBoundingRect().center());
@@ -299,7 +300,23 @@ void VPPiece::Flip()
 
     pieceMatrix *= m;
     SetMatrix(pieceMatrix);
-    SetMirror(!IsMirror());
+    SetVerticallyFlipped(!IsVerticallyFlipped());
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPPiece::FlipHorizontally()
+{
+    QTransform pieceMatrix = GetMatrix();
+    QPointF center = pieceMatrix.map(DetailBoundingRect().center());
+
+    QTransform m;
+    m.translate(0, center.y());
+    m.scale(1, -1);
+    m.translate(0, -center.y());
+
+    pieceMatrix *= m;
+    SetMatrix(pieceMatrix);
+    SetHorizontallyFlipped(!IsHorizontallyFlipped());
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/puzzle/layout/vppiece.h

@@ -97,9 +97,10 @@ public:
     void SetGrainline(const VPieceGrainline &grainline);
 
     /**
-     * @brief Flip horizontally mirror around center of bounding rect
+     * @brief Flip verticvally mirror around center of bounding rect
      */
-    void Flip();
+    void FlipVertically();
+    void FlipHorizontally();
 
     auto OutOfBound() const -> bool;
     void SetOutOfBound(bool newOutOfBound);

src/app/puzzle/scene/vpgraphicspiece.cpp

@@ -72,7 +72,7 @@ namespace
 {
 //---------------------------------------------------------------------------------------------------------------------
 inline auto LineMatrix(const VPPiecePtr &piece, const QPointF &topLeft, qreal angle, const QPointF &linePos,
-                       int maxLineWidth) -> QTransform
+                       int maxLineWidth, qreal maxLabelHeight) -> QTransform
 {
     if (piece.isNull())
     {
@@ -82,11 +82,21 @@ inline auto LineMatrix(const VPPiecePtr &piece, const QPointF &topLeft, qreal an
     QTransform labelMatrix;
     labelMatrix.translate(topLeft.x(), topLeft.y());
 
-    if (piece->IsMirror())
+    if (piece->IsVerticallyFlipped() || piece->IsHorizontallyFlipped())
     {
-        labelMatrix.scale(-1, 1);
+        if (piece->IsVerticallyFlipped())
-        labelMatrix.rotate(-angle);
+        {
-        labelMatrix.translate(-maxLineWidth, 0);
+            labelMatrix.scale(-1, 1);
+            labelMatrix.rotate(-angle);
+            labelMatrix.translate(-maxLineWidth, 0);
+        }
+
+        if (piece->IsHorizontallyFlipped())
+        {
+            labelMatrix.scale(1, -1);
+            labelMatrix.rotate(-angle);
+            labelMatrix.translate(0, -maxLabelHeight);
+        }
     }
     else
     {
@@ -169,6 +179,72 @@ inline auto SelectionBrush() -> QBrush
 {
     return {QColor(255, 160, 160, 60)};
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+auto LabelHeightSVGFont(const VPPiecePtr &piece, const QVector<TextLine> &labelLines, const VSvgFont &svgFont,
+                        const VSvgFontDatabase *db, qreal penWidth, qreal dH, int spacing) -> qreal
+{
+    qreal labelHeight = 0;
+    if (piece->IsHorizontallyFlipped())
+    {
+        for (int i = 0; i < labelLines.size(); ++i)
+        {
+            const VSvgFont fnt = LineFont(labelLines.at(i), svgFont);
+            VSvgFontEngine engine = db->FontEngine(fnt);
+
+            const qreal lineHeight = engine.FontHeight() + penWidth;
+
+            if (labelHeight + lineHeight > dH)
+            {
+                break;
+            }
+
+            if (i < labelLines.size() - 1)
+            {
+                labelHeight += lineHeight + spacing;
+            }
+            else
+            {
+                labelHeight += lineHeight;
+            }
+        }
+    }
+
+    return labelHeight;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto LabelHeightOutlineFont(const VPPiecePtr &piece, const QVector<TextLine> &labelLines, const QFont &font,
+                            bool textAsPaths, qreal penWidth, qreal dH, int spacing) -> qreal
+{
+    qreal labelHeight = 0;
+    if (piece->IsHorizontallyFlipped())
+    {
+        for (int i = 0; i < labelLines.size(); ++i)
+        {
+            const QFont fnt = LineFont(labelLines.at(i), font);
+            QFontMetrics fm(fnt);
+
+            const qreal lineHeight = textAsPaths ? fm.height() + penWidth : fm.height();
+
+            if (labelHeight + lineHeight > dH)
+            {
+                break;
+            }
+
+            if (i < labelLines.size() - 1)
+            {
+                labelHeight += lineHeight + spacing;
+            }
+            else
+            {
+                labelHeight += lineHeight;
+            }
+        }
+    }
+
+    return labelHeight;
+}
 } // namespace
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -441,6 +517,8 @@ void VPGraphicsPiece::InitPieceLabelSVGFont(const QVector<QPointF> &labelShape,
 
     const QVector<TextLine> labelLines = tm.GetLabelSourceLines(qFloor(dW), svgFont, penWidth);
 
+    const qreal labelHeight = LabelHeightSVGFont(piece, labelLines, svgFont, db, penWidth, dH, tm.GetSpacing());
+
     for (const auto &tl : labelLines)
     {
         const VSvgFont fnt = LineFont(tl, svgFont);
@@ -454,7 +532,8 @@ void VPGraphicsPiece::InitPieceLabelSVGFont(const QVector<QPointF> &labelShape,
         const QString qsText = tl.m_qsText;
         const qreal dX = LineAlign(tl, qsText, engine, dW, penWidth);
         // set up the rotation around top-left corner matrix
-        const QTransform lineMatrix = LineMatrix(piece, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth);
+        const QTransform lineMatrix =
+            LineMatrix(piece, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth, labelHeight);
 
         auto *item = new QGraphicsPathItem(this);
         item->setPath(engine.DrawPath(QPointF(), qsText));
@@ -508,6 +587,9 @@ void VPGraphicsPiece::InitPieceLabelOutlineFont(const QVector<QPointF> &labelSha
 
     const QVector<TextLine> labelLines = tm.GetLabelSourceLines(qFloor(dW), tm.GetFont());
 
+    const qreal labelHeight =
+        LabelHeightOutlineFont(piece, labelLines, tm.GetFont(), textAsPaths, penWidth, dH, tm.GetSpacing());
+
     for (const auto &tl : labelLines)
     {
         const QFont fnt = LineFont(tl, tm.GetFont());
@@ -528,7 +610,8 @@ void VPGraphicsPiece::InitPieceLabelOutlineFont(const QVector<QPointF> &labelSha
         const QString qsText = tl.m_qsText;
         const qreal dX = LineAlign(tl, qsText, fm, dW);
         // set up the rotation around top-left corner matrix
-        const QTransform lineMatrix = LineMatrix(piece, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth);
+        const QTransform lineMatrix =
+            LineMatrix(piece, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth, labelHeight);
 
         if (textAsPaths)
         {

src/app/puzzle/vpmainwindow.cpp

@@ -782,7 +782,7 @@ void VPMainWindow::InitPropertyTabCurrentPiece()
                 }
             });
 
-    connect(ui->checkBoxCurrentPieceMirrorPiece, &QCheckBox::toggled, this,
+    connect(ui->checkBoxCurrentPieceVerticallyFlipped, &QCheckBox::toggled, this,
             [this](bool checked)
             {
                 QList<VPPiecePtr> selectedPieces = SelectedPieces();
@@ -791,9 +791,28 @@ void VPMainWindow::InitPropertyTabCurrentPiece()
                     const VPPiecePtr &selectedPiece = selectedPieces.constFirst();
                     if (not selectedPiece.isNull())
                     {
-                        if (selectedPiece->IsMirror() != checked)
+                        if (selectedPiece->IsVerticallyFlipped() != checked)
                         {
-                            selectedPiece->Flip();
+                            selectedPiece->FlipVertically();
+                            LayoutWasSaved(false);
+                            emit m_layout->PieceTransformationChanged(selectedPiece);
+                        }
+                    }
+                }
+            });
+
+    connect(ui->checkBoxCurrentPieceHorizontallyFlipped, &QCheckBox::toggled, this,
+            [this](bool checked)
+            {
+                QList<VPPiecePtr> selectedPieces = SelectedPieces();
+                if (selectedPieces.size() == 1)
+                {
+                    const VPPiecePtr &selectedPiece = selectedPieces.constFirst();
+                    if (not selectedPiece.isNull())
+                    {
+                        if (selectedPiece->IsHorizontallyFlipped() != checked)
+                        {
+                            selectedPiece->FlipHorizontally();
                             LayoutWasSaved(false);
                             emit m_layout->PieceTransformationChanged(selectedPiece);
                         }
@@ -1287,10 +1306,11 @@ void VPMainWindow::SetPropertyTabCurrentPieceData()
         SetLineEditValue(ui->lineEditCurrentPieceGradationId, selectedPiece->GetGradationId());
 
         SetCheckBoxValue(ui->checkBoxCurrentPieceShowSeamline, not selectedPiece->IsHideMainPath());
-        SetCheckBoxValue(ui->checkBoxCurrentPieceMirrorPiece, selectedPiece->IsMirror());
+        SetCheckBoxValue(ui->checkBoxCurrentPieceVerticallyFlipped, selectedPiece->IsVerticallyFlipped());
+        SetCheckBoxValue(ui->checkBoxCurrentPieceHorizontallyFlipped, selectedPiece->IsHorizontallyFlipped());
 
         const bool disableFlipping = selectedPiece->IsForbidFlipping() || selectedPiece->IsForceFlipping();
-        ui->checkBoxCurrentPieceMirrorPiece->setDisabled(disableFlipping);
+        ui->checkBoxCurrentPieceVerticallyFlipped->setDisabled(disableFlipping);
 
         if (not ui->checkBoxRelativeTranslation->isChecked())
         {

src/app/puzzle/vpmainwindow.ui

@@ -279,8 +279,8 @@
              <rect>
               <x>0</x>
               <y>0</y>
-              <width>392</width>
+              <width>378</width>
-              <height>700</height>
+              <height>707</height>
              </rect>
             </property>
             <layout class="QVBoxLayout" name="verticalLayout_23">
@@ -624,9 +624,16 @@
                   </property>
                   <layout class="QVBoxLayout" name="verticalLayout_9">
                    <item>
-                    <widget class="QCheckBox" name="checkBoxCurrentPieceMirrorPiece">
+                    <widget class="QCheckBox" name="checkBoxCurrentPieceVerticallyFlipped">
                      <property name="text">
-                      <string>Mirror piece</string>
+                      <string>Vertically flipped</string>
+                     </property>
+                    </widget>
+                   </item>
+                   <item>
+                    <widget class="QCheckBox" name="checkBoxCurrentPieceHorizontallyFlipped">
+                     <property name="text">
+                      <string>Horizontally flipped</string>
                      </property>
                     </widget>
                    </item>
@@ -2416,7 +2423,7 @@
   <tabstop>lineEditCurrentPieceName</tabstop>
   <tabstop>plainTextEditCurrentPieceUUID</tabstop>
   <tabstop>checkBoxCurrentPieceShowSeamline</tabstop>
-  <tabstop>checkBoxCurrentPieceMirrorPiece</tabstop>
+  <tabstop>checkBoxCurrentPieceVerticallyFlipped</tabstop>
   <tabstop>doubleSpinBoxCurrentPieceAngle</tabstop>
   <tabstop>doubleSpinBoxCurrentPieceBoxPositionX</tabstop>
   <tabstop>doubleSpinBoxCurrentPieceBoxPositionY</tabstop>
@@ -2434,8 +2441,8 @@
  </resources>
  <connections/>
  <buttongroups>
-  <buttongroup name="buttonGroupTileOrientation"/>
-  <buttongroup name="buttonGroupSheetOrientation"/>
   <buttongroup name="buttonGroupRotationDirection"/>
+  <buttongroup name="buttonGroupSheetOrientation"/>
+  <buttongroup name="buttonGroupTileOrientation"/>
  </buttongroups>
 </ui>

src/app/puzzle/xml/vplayoutfilereader.cpp

@@ -511,7 +511,8 @@ void VPLayoutFileReader::ReadPiece(const VPPiecePtr &piece)
     piece->SetXScale(ReadAttributeDouble(attribs, ML::AttrXScale, QChar('1')));
     piece->SetYScale(ReadAttributeDouble(attribs, ML::AttrYScale, QChar('1')));
     piece->SetZValue(ReadAttributeDouble(attribs, ML::AttrZValue, QChar('1')));
-    piece->SetMirror(ReadAttributeBool(attribs, ML::AttrMirrored, falseStr));
+    piece->SetVerticallyFlipped(ReadAttributeBool(attribs, ML::AttrVerticallyFlipped, falseStr));
+    piece->SetHorizontallyFlipped(ReadAttributeBool(attribs, ML::AttrHorizontallyFlipped, falseStr));
     piece->SetForbidFlipping(ReadAttributeBool(attribs, ML::AttrForbidFlipping, falseStr));
     piece->SetForceFlipping(ReadAttributeBool(attribs, ML::AttrForceFlipping, falseStr));
     piece->SetFollowGrainline(ReadAttributeBool(attribs, ML::AttrFollowGrainline, falseStr));

src/app/puzzle/xml/vplayoutfilewriter.cpp

@@ -260,8 +260,10 @@ void VPLayoutFileWriter::WritePiece(const VPPiecePtr &piece)
     writeStartElement(ML::TagPiece);
     SetAttribute(ML::AttrUID, piece->GetUUID().toString());
     SetAttribute(ML::AttrName, piece->GetName());
-    SetAttributeOrRemoveIf<bool>(ML::AttrMirrored, piece->IsMirror(),
+    SetAttributeOrRemoveIf<bool>(ML::AttrVerticallyFlipped, piece->IsVerticallyFlipped(),
-                                 [](bool mirrored) noexcept { return not mirrored; });
+                                 [](bool flipped) noexcept { return not flipped; });
+    SetAttributeOrRemoveIf<bool>(ML::AttrHorizontallyFlipped, piece->IsHorizontallyFlipped(),
+                                 [](bool flipped) noexcept { return not flipped; });
     SetAttributeOrRemoveIf<bool>(ML::AttrForbidFlipping, piece->IsForbidFlipping(),
                                  [](bool forbid) noexcept { return not forbid; });
     SetAttributeOrRemoveIf<bool>(ML::AttrForceFlipping, piece->IsForceFlipping(),

src/app/puzzle/xml/vplayoutliterals.cpp

@@ -84,7 +84,8 @@ const QString AttrLength = QStringLiteral("length");
 const QString AttrFollowGrainline = QStringLiteral("followGrainline");                         // NOLINT(cert-err58-cpp)
 const QString AttrBoundaryTogetherWithNotches = QStringLiteral("boundaryTogetherWithNotches"); // NOLINT(cert-err58-cpp)
 const QString AttrUID = QStringLiteral("uid");                                                 // NOLINT(cert-err58-cpp)
-const QString AttrMirrored = QStringLiteral("mirrored");                                       // NOLINT(cert-err58-cpp)
+const QString AttrVerticallyFlipped = QStringLiteral("verticallyFlipped");                     // NOLINT(cert-err58-cpp)
+const QString AttrHorizontallyFlipped = QStringLiteral("horizontallyFlipped");                 // NOLINT(cert-err58-cpp)
 const QString AttrForbidFlipping = QStringLiteral("forbidFlipping");                           // NOLINT(cert-err58-cpp)
 const QString AttrForceFlipping = QStringLiteral("forceFlipping");                             // NOLINT(cert-err58-cpp)
 const QString AttrSewLineOnDrawing = QStringLiteral("sewLineOnDrawing");                       // NOLINT(cert-err58-cpp)

src/app/puzzle/xml/vplayoutliterals.h

@@ -83,7 +83,8 @@ extern const QString AttrLength;
 extern const QString AttrFollowGrainline;
 extern const QString AttrBoundaryTogetherWithNotches;
 extern const QString AttrUID;
-extern const QString AttrMirrored;
+extern const QString AttrVerticallyFlipped;
+extern const QString AttrHorizontallyFlipped;
 extern const QString AttrForbidFlipping;
 extern const QString AttrForceFlipping;
 extern const QString AttrSewLineOnDrawing;

src/libs/ifc/schema/layout/v0.1.7.xsd

@@ -221,7 +221,8 @@
                   </xs:sequence>
                   <xs:attribute name="uid" type="uuid" use="required"/>
                   <xs:attribute type="xs:string" name="name"/>
-                  <xs:attribute type="xs:boolean" name="mirrored"/>
+                  <xs:attribute type="xs:boolean" name="verticallyFlipped"/>
+                  <xs:attribute type="xs:boolean" name="horizontallyFlipped"/>
                   <xs:attribute type="xs:boolean" name="forbidFlipping"/>
                   <xs:attribute type="xs:boolean" name="forceFlipping"/>
                   <xs:attribute type="xs:boolean" name="followGrainline"/>
@@ -419,7 +420,8 @@
                               </xs:sequence>
                               <xs:attribute name="uid" type="uuid" use="required"/>
                               <xs:attribute type="xs:string" name="name"/>
-                              <xs:attribute type="xs:boolean" name="mirrored"/>
+                              <xs:attribute type="xs:boolean" name="verticallyFlipped"/>
+                              <xs:attribute type="xs:boolean" name="horizontallyFlipped"/>
                               <xs:attribute type="xs:boolean" name="forbidFlipping"/>
                               <xs:attribute type="xs:boolean" name="forceFlipping"/>
                               <xs:attribute type="xs:boolean" name="followGrainline"/>

src/libs/ifc/xml/vlayoutconverter.cpp

@@ -58,21 +58,23 @@ QT_WARNING_DISABLE_CLANG("-Wunused-member-function")
 
 // The list of all string we use for conversion
 // Better to use global variables because repeating QStringLiteral blows up code size
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strSeamLineTag, ("seamLine"_L1))              // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strSeamLineTag, ("seamLine"_L1))                    // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strSeamAllowanceTag, ("seamAllowance"_L1))    // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strSeamAllowanceTag, ("seamAllowance"_L1))          // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strInternalPathTag, ("internalPath"_L1))      // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strInternalPathTag, ("internalPath"_L1))            // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strMarkerTag, ("marker"_L1))                  // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strMarkerTag, ("marker"_L1))                        // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strPointTag, ("point"_L1))                    // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strPointTag, ("point"_L1))                          // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strPieceTag, ("piece"_L1))                    // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strPieceTag, ("piece"_L1))                          // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strGrainlineTag, ("grainline"_L1))            // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strGrainlineTag, ("grainline"_L1))                  // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrX, ("x"_L1))                           // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrX, ("x"_L1))                                 // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrY, ("y"_L1))                           // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrY, ("y"_L1))                                 // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrTurnPoint, ("turnPoint"_L1))           // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrTurnPoint, ("turnPoint"_L1))                 // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrCurvePoint, ("curvePoint"_L1))         // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrCurvePoint, ("curvePoint"_L1))               // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrId, ("id"_L1))                         // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrId, ("id"_L1))                               // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrUId, ("uid"_L1))                       // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrUId, ("uid"_L1))                             // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrAngle, ("angle"_L1))                   // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrAngle, ("angle"_L1))                         // NOLINT
-Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrArrowDirection, ("arrowDirection"_L1)) // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrArrowDirection, ("arrowDirection"_L1))       // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrMirrored, ("mirrored"_L1))                   // NOLINT
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, strAttrVerticallyFlipped, ("verticallyFlipped"_L1)) // NOLINT
 
 QT_WARNING_POP
 
@@ -380,6 +382,24 @@ void VLayoutConverter::ConvertPiecesToV0_1_5()
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutConverter::ConvertPiecesToV0_1_7()
+{
+    // TODO. Delete if minimal supported version is 0.1.7
+    Q_STATIC_ASSERT_X(VLayoutConverter::LayoutMinVer < FormatVersion(0, 1, 7), "Time to refactor the code.");
+
+    QDomNodeList pieceTags = elementsByTagName(*strPieceTag);
+    for (int i = 0; i < pieceTags.size(); ++i)
+    {
+        QDomElement node = pieceTags.at(i).toElement();
+        if (node.isElement() && node.hasAttribute(*strAttrMirrored))
+        {
+            node.setAttribute(*strAttrVerticallyFlipped, node.attribute(*strAttrMirrored));
+            node.removeAttribute(*strAttrMirrored);
+        }
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VLayoutConverter::ToV0_1_3()
 {
@@ -407,6 +427,7 @@ void VLayoutConverter::ToV0_1_7()
     // TODO. Delete if minimal supported version is 0.1.7
     Q_STATIC_ASSERT_X(VLayoutConverter::LayoutMinVer < FormatVersion(0, 1, 7), "Time to refactor the code.");
 
+    ConvertPiecesToV0_1_7();
     SetVersion(QStringLiteral("0.1.7"));
     Save();
 }

src/libs/ifc/xml/vlayoutconverter.h

@@ -72,6 +72,8 @@ protected:
 
     void ConvertPiecesToV0_1_5();
 
+    void ConvertPiecesToV0_1_7();
+
     void ToV0_1_3();
     void ToV0_1_5();
     void ToV0_1_7();

src/libs/vhpgl/vhpglengine.cpp

@@ -162,16 +162,26 @@ inline auto LineAlign(const TextLine &tl, const QString &text, const QFontMetric
 
 //---------------------------------------------------------------------------------------------------------------------
 auto LineMatrix(const VLayoutPiece &piece, const QPointF &topLeft, qreal angle, const QPointF &linePos,
-                int maxLineWidth) -> QTransform
+                int maxLineWidth, qreal maxLabelHeight) -> QTransform
 {
     QTransform labelMatrix;
     labelMatrix.translate(topLeft.x(), topLeft.y());
 
-    if (piece.IsMirror())
+    if (piece.IsVerticallyFlipped() || piece.IsHorizontallyFlipped())
     {
-        labelMatrix.scale(-1, 1);
+        if (piece.IsVerticallyFlipped())
-        labelMatrix.rotate(-angle);
+        {
-        labelMatrix.translate(-maxLineWidth, 0);
+            labelMatrix.scale(-1, 1);
+            labelMatrix.rotate(-angle);
+            labelMatrix.translate(-maxLineWidth, 0);
+        }
+
+        if (piece.IsHorizontallyFlipped())
+        {
+            labelMatrix.scale(1, -1);
+            labelMatrix.rotate(-angle);
+            labelMatrix.translate(0, -maxLabelHeight);
+        }
     }
     else
     {
@@ -220,6 +230,72 @@ auto NextPattern(int patternIndex, const QVector<int> &pattern) -> int
 {
     return (patternIndex + 2) % static_cast<int>(pattern.size());
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+auto LabelHeightSVGFont(const VLayoutPiece &detail, const QVector<TextLine> &labelLines, const VSvgFont &svgFont,
+                        const VSvgFontDatabase *db, qreal penWidth, qreal dH, int spacing) -> qreal
+{
+    qreal labelHeight = 0;
+    if (detail.IsHorizontallyFlipped())
+    {
+        for (int i = 0; i < labelLines.size(); ++i)
+        {
+            const VSvgFont fnt = LineFont(labelLines.at(i), svgFont);
+            VSvgFontEngine engine = db->FontEngine(fnt);
+
+            const qreal lineHeight = engine.FontHeight() + penWidth;
+
+            if (labelHeight + lineHeight > dH)
+            {
+                break;
+            }
+
+            if (i < labelLines.size() - 1)
+            {
+                labelHeight += lineHeight + spacing;
+            }
+            else
+            {
+                labelHeight += lineHeight;
+            }
+        }
+    }
+
+    return labelHeight;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto LabelHeightOutlineFont(const VLayoutPiece &detail, const QVector<TextLine> &labelLines, const QFont &font,
+                            qreal penWidth, qreal dH, int spacing) -> qreal
+{
+    qreal labelHeight = 0;
+    if (detail.IsHorizontallyFlipped())
+    {
+        for (int i = 0; i < labelLines.size(); ++i)
+        {
+            const QFont fnt = LineFont(labelLines.at(i), font);
+            QFontMetrics fm(fnt);
+
+            const qreal lineHeight = fm.height() + penWidth;
+
+            if (labelHeight + lineHeight > dH)
+            {
+                break;
+            }
+
+            if (i < labelLines.size() - 1)
+            {
+                labelHeight += lineHeight + spacing;
+            }
+            else
+            {
+                labelHeight += lineHeight;
+            }
+        }
+    }
+
+    return labelHeight;
+}
 } // namespace
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -475,7 +551,8 @@ void VHPGLEngine::PlotInternalPaths(QTextStream &out, const VLayoutPiece &detail
     QVector<VLayoutPiecePath> internalPaths = detail.GetInternalPaths();
     for (const auto &path : internalPaths)
     {
-        QVector<VLayoutPoint> points = VLayoutPiece::MapVector(path.Points(), detail.GetMatrix(), detail.IsMirror());
+        QVector<VLayoutPoint> points = VLayoutPiece::MapVector(
+            path.Points(), detail.GetMatrix(), detail.IsVerticallyFlipped() || detail.IsHorizontallyFlipped());
         PlotPath(out, CastToPoint(ConvertPath(points)), path.PenStyle());
     }
 }
@@ -579,6 +656,8 @@ void VHPGLEngine::PlotLabelSVGFont(QTextStream &out, const VLayoutPiece &detail,
 
     const QVector<TextLine> labelLines = tm.GetLabelSourceLines(qFloor(dW), svgFont, m_penWidthPx);
 
+    const qreal labelHeight = LabelHeightSVGFont(detail, labelLines, svgFont, db, m_penWidthPx, dH, tm.GetSpacing());
+
     for (const auto &tl : labelLines)
     {
         const VSvgFont fnt = LineFont(tl, svgFont);
@@ -592,7 +671,8 @@ void VHPGLEngine::PlotLabelSVGFont(QTextStream &out, const VLayoutPiece &detail,
         const QString qsText = tl.m_qsText;
         const qreal dX = LineAlign(tl, qsText, engine, dW, m_penWidthPx);
         // set up the rotation around top-left corner matrix
-        const QTransform lineMatrix = LineMatrix(detail, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth);
+        const QTransform lineMatrix =
+            LineMatrix(detail, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth, labelHeight);
 
         QPainterPath path = lineMatrix.map(engine.DrawPath(QPointF(), qsText));
         PlotPainterPath(out, path, Qt::SolidLine);
@@ -626,6 +706,9 @@ void VHPGLEngine::PlotLabelOutlineFont(QTextStream &out, const VLayoutPiece &det
 
     const QVector<TextLine> labelLines = tm.GetLabelSourceLines(qFloor(dW), tm.GetFont());
 
+    const qreal labelHeight =
+        LabelHeightOutlineFont(detail, labelLines, tm.GetFont(), m_penWidthPx, dH, tm.GetSpacing());
+
     for (const auto &tl : labelLines)
     {
         const QFont fnt = LineFont(tl, tm.GetFont());
@@ -646,7 +729,8 @@ void VHPGLEngine::PlotLabelOutlineFont(QTextStream &out, const VLayoutPiece &det
         const QString qsText = tl.m_qsText;
         const qreal dX = LineAlign(tl, qsText, fm, dW);
         // set up the rotation around top-left corner matrix
-        const QTransform lineMatrix = LineMatrix(detail, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth);
+        const QTransform lineMatrix =
+            LineMatrix(detail, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth, labelHeight);
 
         QPainterPath path;
 

src/libs/vlayout/vlayoutpaper.cpp

@@ -284,7 +284,7 @@ auto VLayoutPaper::SaveResult(const VBestSquare &bestResult, const VLayoutPiece
     {
         VLayoutPiece workDetail = detail;
         workDetail.SetMatrix(bestResult.Matrix()); // Don't forget set matrix
-        workDetail.SetMirror(bestResult.Mirror());
+        workDetail.SetVerticallyFlipped(bestResult.Mirror());
 
         if (d->saveLength)
         {

src/libs/vlayout/vlayoutpiece.cpp

@@ -667,7 +667,7 @@ template <> auto VLayoutPiece::Map<VLayoutPoint>(QVector<VLayoutPoint> points) c
                        point.ry() = p.y();
                        return point;
                    });
-    if (d->m_mirror)
+    if (d->m_verticallyFlipped || d->m_horizontallyFlipped)
     {
         std::reverse(points.begin(), points.end());
     }
@@ -1087,7 +1087,7 @@ void VLayoutPiece::Mirror(const QLineF &edge)
     m.translate(-p2.x(), -p2.y());
     d->m_matrix *= m;
 
-    d->m_mirror = !d->m_mirror;
+    d->m_verticallyFlipped = !d->m_verticallyFlipped;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -1096,7 +1096,7 @@ void VLayoutPiece::Mirror()
     QTransform m;
     m.scale(-1, 1);
     d->m_matrix *= m;
-    d->m_mirror = !d->m_mirror;
+    d->m_verticallyFlipped = !d->m_verticallyFlipped;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -1607,7 +1607,7 @@ void VLayoutPiece::LabelStringsSVGFont(QGraphicsItem *parent, const QVector<QPoi
         // set up the rotation around top-left corner matrix
         QTransform labelMatrix;
         labelMatrix.translate(labelShape.at(0).x(), labelShape.at(0).y());
-        if (d->m_mirror)
+        if (d->m_verticallyFlipped)
         {
             labelMatrix.scale(-1, 1);
             labelMatrix.rotate(-angle);
@@ -1704,7 +1704,7 @@ void VLayoutPiece::LabelStringsOutlineFont(QGraphicsItem *parent, const QVector<
         // set up the rotation around top-left corner matrix
         QTransform labelMatrix;
         labelMatrix.translate(labelShape.at(0).x(), labelShape.at(0).y());
-        if (d->m_mirror)
+        if (d->m_verticallyFlipped)
         {
             labelMatrix.scale(-1, 1);
             labelMatrix.rotate(-angle);
@@ -1844,15 +1844,27 @@ auto VLayoutPiece::GetMainPathItem() const -> QGraphicsPathItem *
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-auto VLayoutPiece::IsMirror() const -> bool
+auto VLayoutPiece::IsVerticallyFlipped() const -> bool
 {
-    return d->m_mirror;
+    return d->m_verticallyFlipped;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VLayoutPiece::SetMirror(bool value)
+void VLayoutPiece::SetVerticallyFlipped(bool value)
 {
-    d->m_mirror = value;
+    d->m_verticallyFlipped = value;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::IsHorizontallyFlipped() const -> bool
+{
+    return d->m_horizontallyFlipped;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutPiece::SetHorizontallyFlipped(bool value)
+{
+    d->m_horizontallyFlipped = value;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -1911,7 +1923,7 @@ auto VLayoutPiece::Edge(const QVector<QPointF> &path, int i) const -> QLineF
         i2 = 0;
     }
 
-    if (d->m_mirror)
+    if (d->m_verticallyFlipped || d->m_horizontallyFlipped)
     {
         QVector<QPointF> newPath = Map(path);
         return {newPath.at(i1), newPath.at(i2)};
@@ -1940,7 +1952,7 @@ auto VLayoutPiece::EdgeByPoint(const QVector<QPointF> &path, const QPointF &p1)
 //---------------------------------------------------------------------------------------------------------------------
 template <class T> auto VLayoutPiece::Map(QVector<T> points) const -> QVector<T>
 {
-    return MapVector(points, d->m_matrix, d->m_mirror);
+    return MapVector(points, d->m_matrix, d->m_verticallyFlipped || d->m_horizontallyFlipped);
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/libs/vlayout/vlayoutpiece.h

@@ -156,8 +156,11 @@ public:
     auto GetId() const -> vidtype;
     void SetId(vidtype id);
 
-    auto IsMirror() const -> bool;
+    auto IsVerticallyFlipped() const -> bool;
-    void SetMirror(bool value);
+    void SetVerticallyFlipped(bool value);
+
+    auto IsHorizontallyFlipped() const -> bool;
+    void SetHorizontallyFlipped(bool value);
 
     void SetGradationId(const QString &id);
     auto GetGradationId() const -> QString;

src/libs/vlayout/vlayoutpiece_p.h

@@ -83,7 +83,8 @@ public:
     /** @brief layoutWidth value layout allowance width in pixels. */
     qreal m_layoutWidth{0}; // NOLINT(misc-non-private-member-variables-in-classes)
 
-    bool m_mirror{false}; // NOLINT(misc-non-private-member-variables-in-classes)
+    bool m_verticallyFlipped{false};   // NOLINT(misc-non-private-member-variables-in-classes)
+    bool m_horizontallyFlipped{false}; // NOLINT(misc-non-private-member-variables-in-classes)
 
     /** @brief detailLabel detail label rectangle */
     QVector<QPointF> m_detailLabel{}; // NOLINT(misc-non-private-member-variables-in-classes)
@@ -118,7 +119,7 @@ private:
     Q_DISABLE_ASSIGN_MOVE(VLayoutPieceData) // NOLINT
 
     static constexpr quint32 streamHeader{0x80D7D009}; // CRC-32Q string "VLayoutPieceData"
-    static constexpr quint16 classVersion{5};
+    static constexpr quint16 classVersion{6};
 };
 
 QT_WARNING_POP
@@ -142,7 +143,7 @@ inline auto operator<<(QDataStream &dataStream, const VLayoutPieceData &piece) -
     dataStream << piece.m_internalPaths;
     dataStream << piece.m_matrix;
     dataStream << piece.m_layoutWidth;
-    dataStream << piece.m_mirror;
+    dataStream << piece.m_verticallyFlipped;
     dataStream << piece.m_detailLabel;
     dataStream << piece.m_patternInfo;
     dataStream << piece.m_placeLabels;
@@ -155,6 +156,7 @@ inline auto operator<<(QDataStream &dataStream, const VLayoutPieceData &piece) -
     dataStream << piece.m_xScale;
     dataStream << piece.m_yScale;
     dataStream << piece.m_grainline;
+    dataStream << piece.m_horizontallyFlipped;
 
     return dataStream;
 }
@@ -211,7 +213,7 @@ inline auto operator>>(QDataStream &dataStream, VLayoutPieceData &piece) -> QDat
     dataStream >> piece.m_internalPaths;
     dataStream >> piece.m_matrix;
     dataStream >> piece.m_layoutWidth;
-    dataStream >> piece.m_mirror;
+    dataStream >> piece.m_verticallyFlipped;
     dataStream >> piece.m_detailLabel;
     dataStream >> piece.m_patternInfo;
 
@@ -268,6 +270,11 @@ inline auto operator>>(QDataStream &dataStream, VLayoutPieceData &piece) -> QDat
         }
     }
 
+    if (actualClassVersion >= 6)
+    {
+        dataStream >> piece.m_horizontallyFlipped;
+    }
+
     return dataStream;
 }
 

src/libs/vlayout/vposition.cpp

@@ -281,7 +281,7 @@ void VPosition::SaveCandidate(VBestSquare &bestResult, const VLayoutPiece &detai
     data.globalI = globalI;              // Edge of global contour
     data.detJ = detJ;                    // Edge of detail
     data.resMatrix = detail.GetMatrix(); // Matrix for rotation and translation detail
-    data.resMirror = detail.IsMirror();
+    data.resMirror = detail.IsVerticallyFlipped();
     data.type = type;
     data.depthPosition = depthPosition;
     data.sidePosition = sidePosition;