Resolved issue #651. Improve feature: Layout orientation according to grainline.

--HG--
branch : develop

ChangeLog.txt

@@ -3,6 +3,7 @@
 - [#894] Quick way to disable a passmark.
 - [#895] Improve path validation. Do not allow repeat the same curve twice.
 - Improve UI. Make placeholder menu scrollable.
+- [#651] Improve feature: Layout orientation according to grainline.
 
 # Version 0.6.2 (unreleased)
 - [#903] Bug in tool Cut Spline path.

dist/OBS_debian/debian.valentina.1

@@ -1,6 +1,6 @@
 .\" Manpage for valentina.
 .\" Contact dismine@gmail.com to correct errors.
-.TH valentina 1 "18 July, 2018" "valentina man page"
+.TH valentina 1 "27 December, 2018" "valentina man page"
 .SH NAME
 Valentina \- Pattern making program.
 .SH SYNOPSIS
@@ -179,6 +179,8 @@ The path to output destination folder. By default the directory at which the app
 .RB "Page bottom margin in current units like 3.0 (" "export mode" "). If not set will be used value from default printer. Or 0 if none printers was found."
 .IP "-r, --rotate <Angle>"
 .RB "Rotation in degrees (one of predefined, " "export mode" "). Default value is " "180" ". 0 is no-rotate. Valid values: 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 180. Each value show how many times details will be rotated. For example 180 mean two times (360/180=2) by 180 degree."
+.IP "--followGrainline"
+.RB "Order detail to follow grainline direction (" "export mode" ").
 .IP "-c, --crop"
 .RB "Auto crop unused length (" "export mode" ")."
 .IP "-u, --unite"

dist/debian/valentina.1

@@ -1,6 +1,6 @@
 .\" Manpage for valentina.
 .\" Contact dismine@gmail.com to correct errors.
-.TH valentina 1 "18 July, 2018" "valentina man page"
+.TH valentina 1 "27 December, 2018" "valentina man page"
 .SH NAME
 Valentina \- Pattern making program.
 .SH SYNOPSIS
@@ -179,6 +179,8 @@ The path to output destination folder. By default the directory at which the app
 .RB "Page bottom margin in current units like 3.0 (" "export mode" "). If not set will be used value from default printer. Or 0 if none printers was found."
 .IP "-r, --rotate <Angle>"
 .RB "Rotation in degrees (one of predefined, " "export mode" "). Default value is " "180" ". 0 is no-rotate. Valid values: 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 180. Each value show how many times details will be rotated. For example 180 mean two times (360/180=2) by 180 degree."
+.IP "--followGrainline"
+.RB "Order detail to follow grainline direction (" "export mode" ").
 .IP "-c, --crop"
 .RB "Auto crop unused length (" "export mode" ")."
 .IP "-u, --unite"

src/app/valentina/core/vcmdexport.cpp

@@ -227,6 +227,11 @@ void VCommandLine::InitOptions(VCommandLineOptions &options, QMap<QString, int>
                                                "60, 72, 90, 180"),
                                           translate("VCommandLine", "Angle")));
 
+    optionsIndex.insert(LONG_OPTION_FOLLOW_GRAINLINE, index++);
+    options.append(new QCommandLineOption(QStringList() << LONG_OPTION_FOLLOW_GRAINLINE,
+                                          translate("VCommandLine",
+                                                    "Order detail to follow grainline direction (export mode).")));
+
     optionsIndex.insert(LONG_OPTION_CROP, index++);
     options.append(new QCommandLineOption(QStringList() << SINGLE_OPTION_CROP << LONG_OPTION_CROP,
                                           translate("VCommandLine", "Auto crop unused length (export mode).")));
@@ -568,6 +573,7 @@ VLayoutGeneratorPtr VCommandLine::DefaultGenerator() const
         }
     }
     diag.SetFields(margins);
+    diag.SetFollowGrainline(parser.isSet(*optionsUsed.value(optionsIndex.value(LONG_OPTION_FOLLOW_GRAINLINE))));
 
     diag.DialogAccepted(); // filling VLayoutGenerator
 

src/app/valentina/dialogs/dialoglayoutsettings.cpp

@@ -232,6 +232,18 @@ void DialogLayoutSettings::SetRotate(bool state)
     ui->groupBoxRotate->setChecked(state);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+bool DialogLayoutSettings::GetFollowGrainline() const
+{
+    return ui->checkBoxFollowGrainline->isChecked();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogLayoutSettings::SetFollowGrainline(bool state)
+{
+    ui->checkBoxFollowGrainline->setChecked(state);
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 int DialogLayoutSettings::GetIncrease() const
 {
@@ -564,6 +576,7 @@ void DialogLayoutSettings::DialogAccepted()
     generator->SetPaperWidth(GetPaperWidth());
     generator->SetShift(static_cast<quint32>(qFloor(GetShift())));
     generator->SetRotate(GetRotate());
+    generator->SetFollowGrainline(GetFollowGrainline());
     generator->SetRotationIncrease(GetIncrease());
     generator->SetAutoCrop(GetAutoCrop());
     generator->SetSaveLength(IsSaveLength());
@@ -655,6 +668,7 @@ void DialogLayoutSettings::RestoreDefaults()
     SetShift(VSettings::GetDefLayoutShift());
     SetGroup(VSettings::GetDefLayoutGroup());
     SetRotate(VSettings::GetDefLayoutRotate());
+    SetFollowGrainline(VSettings::GetDefLayoutFollowGrainline());
     SetIncrease(VSettings::GetDefLayoutRotationIncrease());
     SetFields(GetDefPrinterFields());
     SetIgnoreAllFields(VSettings::GetDefIgnoreAllFields());
@@ -1004,6 +1018,7 @@ void DialogLayoutSettings::ReadSettings()
     const qreal height = UnitConvertor(settings->GetLayoutPaperHeight(), Unit::Px, LayoutUnit());
     SheetSize(QSizeF(width, height));
     SetGroup(settings->GetLayoutGroup());
+    SetFollowGrainline(settings->GetLayoutFollowGrainline());
     SetRotate(settings->GetLayoutRotate());
     SetIncrease(settings->GetLayoutRotationIncrease());
     SetAutoCrop(settings->GetLayoutAutoCrop());
@@ -1031,6 +1046,7 @@ void DialogLayoutSettings::WriteSettings() const
     settings->SetLayoutPaperWidth(GetPaperWidth());
     settings->SetLayoutShift(GetShift());
     settings->SetLayoutRotate(GetRotate());
+    settings->SetLayoutFollowGrainline(GetFollowGrainline());
     settings->SetLayoutRotationIncrease(GetIncrease());
     settings->SetLayoutAutoCrop(GetAutoCrop());
     settings->SetLayoutSaveLength(IsSaveLength());

src/app/valentina/dialogs/dialoglayoutsettings.h

@@ -76,6 +76,9 @@ public:
     bool GetRotate() const;
     void SetRotate(bool state);
 
+    bool GetFollowGrainline() const;
+    void SetFollowGrainline(bool state);
+
     int GetIncrease() const;
     bool SetIncrease(int increase);
 

src/app/valentina/dialogs/dialoglayoutsettings.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>600</width>
+    <width>601</width>
-    <height>533</height>
+    <height>600</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -326,6 +326,19 @@
               </property>
              </widget>
             </item>
+            <item>
+             <spacer name="verticalSpacer">
+              <property name="orientation">
+               <enum>Qt::Vertical</enum>
+              </property>
+              <property name="sizeHint" stdset="0">
+               <size>
+                <width>20</width>
+                <height>40</height>
+               </size>
+              </property>
+             </spacer>
+            </item>
            </layout>
           </widget>
          </item>
@@ -416,6 +429,20 @@
           </property>
          </widget>
         </item>
+        <item>
+         <widget class="Line" name="line_7">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QCheckBox" name="checkBoxFollowGrainline">
+          <property name="text">
+           <string>Follow grainline</string>
+          </property>
+         </widget>
+        </item>
         <item>
          <widget class="Line" name="line_3">
           <property name="orientation">

src/libs/vlayout/vlayoutgenerator.cpp

@@ -55,6 +55,7 @@ VLayoutGenerator::VLayoutGenerator(QObject *parent)
       state(LayoutErrors::NoError),
       shift(0),
       rotate(true),
+      followGrainline(false),
       rotationIncrease(180),
       autoCrop(false),
       saveLength(false),
@@ -140,6 +141,7 @@ void VLayoutGenerator::Generate()
             paper.SetLayoutWidth(bank->GetLayoutWidth());
             paper.SetPaperIndex(static_cast<quint32>(papers.count()));
             paper.SetRotate(rotate);
+            paper.SetFollowGrainline(followGrainline);
             paper.SetRotationIncrease(rotationIncrease);
             paper.SetSaveLength(saveLength);
             do
@@ -347,6 +349,7 @@ void VLayoutGenerator::GatherPages()
         paper.SetLayoutWidth(bank->GetLayoutWidth());
         paper.SetPaperIndex(static_cast<quint32>(i));
         paper.SetRotate(rotate);
+        paper.SetFollowGrainline(followGrainline);
         paper.SetRotationIncrease(rotationIncrease);
         paper.SetSaveLength(saveLength);
         paper.SetDetails(nDetails.at(i));
@@ -412,6 +415,7 @@ void VLayoutGenerator::UnitePages()
         paper.SetLayoutWidth(bank->GetLayoutWidth());
         paper.SetPaperIndex(static_cast<quint32>(i));
         paper.SetRotate(rotate);
+        paper.SetFollowGrainline(followGrainline);
         paper.SetRotationIncrease(rotationIncrease);
         paper.SetSaveLength(saveLength);
         paper.SetDetails(nDetails.at(i));
@@ -533,6 +537,18 @@ void VLayoutGenerator::SetRotate(bool value)
     rotate = value;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+bool VLayoutGenerator::GetFollowGrainline() const
+{
+    return followGrainline;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutGenerator::SetFollowGrainline(bool value)
+{
+    followGrainline = value;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 qreal VLayoutGenerator::GetPaperWidth() const
 {

src/libs/vlayout/vlayoutgenerator.h

@@ -90,6 +90,9 @@ public:
     bool GetRotate() const;
     void SetRotate(bool value);
 
+    bool GetFollowGrainline() const;
+    void SetFollowGrainline(bool value);
+
     int GetRotationIncrease() const;
     void SetRotationIncrease(int value);
 
@@ -132,6 +135,7 @@ private:
     LayoutErrors state;
     quint32 shift;
     bool rotate;
+    bool followGrainline;
     int rotationIncrease;
     bool autoCrop;
     bool saveLength;

src/libs/vlayout/vlayoutpaper.cpp

@@ -143,6 +143,18 @@ void VLayoutPaper::SetRotate(bool value)
     d->localRotate = d->globalRotate;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+bool VLayoutPaper::GetFollowGrainline() const
+{
+    return d->followGrainline;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutPaper::SetFollowGrainline(bool value)
+{
+    d->followGrainline = value;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 int VLayoutPaper::GetRotationIncrease() const
 {
@@ -242,8 +254,7 @@ bool VLayoutPaper::AddToSheet(const VLayoutPiece &detail, std::atomic_bool &stop
         for (int i=1; i<= detailEdgesCount; ++i)
         {
             VPosition *thread = new VPosition(d->globalContour, j, detail, i, &stop, d->localRotate,
-                                              d->localRotationIncrease,
+                                              d->localRotationIncrease, d->saveLength, d->followGrainline);
-                                              d->saveLength);
             //Info for debug
             #ifdef LAYOUT_DEBUG
                 thread->setPaperIndex(d->paperIndex);

src/libs/vlayout/vlayoutpaper.h

@@ -78,6 +78,9 @@ public:
     bool GetRotate() const;
     void SetRotate(bool value);
 
+    bool GetFollowGrainline() const;
+    void SetFollowGrainline(bool value);
+
     int GetRotationIncrease() const;
     void SetRotationIncrease(int value);
 

src/libs/vlayout/vlayoutpaper_p.h

@@ -53,7 +53,8 @@ public:
           localRotate(true),
           globalRotationIncrease(180),
           localRotationIncrease(180),
-          saveLength(false)
+          saveLength(false),
+          followGrainline(false)
     {}
 
     VLayoutPaperData(int height,
@@ -67,7 +68,8 @@ public:
           localRotate(true),
           globalRotationIncrease(180),
           localRotationIncrease(180),
-          saveLength(false)
+          saveLength(false),
+          followGrainline(false)
     {}
 
     VLayoutPaperData(const VLayoutPaperData &paper)
@@ -81,7 +83,8 @@ public:
           localRotate(paper.localRotate),
           globalRotationIncrease(paper.globalRotationIncrease),
           localRotationIncrease(paper.localRotationIncrease),
-          saveLength(paper.saveLength)
+          saveLength(paper.saveLength),
+          followGrainline(paper.followGrainline)
     {}
 
     ~VLayoutPaperData() {}
@@ -100,6 +103,7 @@ public:
     int globalRotationIncrease;
     int localRotationIncrease;
     bool saveLength;
+    bool followGrainline;
 
 private:
     VLayoutPaperData& operator=(const VLayoutPaperData&) Q_DECL_EQ_DELETE;

src/libs/vlayout/vlayoutpiece.cpp

@@ -673,6 +673,10 @@ void VLayoutPiece::SetGrainline(const VGrainlineData& geom, const VContainer* pa
         return;
     }
 
+    d->grainlineEnabled = true;
+    d->grainlineArrowType = geom.GetArrowType();
+    d->grainlineAngle = qRadiansToDegrees(dAng);
+
     QPointF pt2(pt1.x() + dLen * qCos(dAng), pt1.y() - dLen * qSin(dAng));
 
     const qreal dArrowLen = ToPixel(0.5, *pattern->GetPatternUnit());
@@ -709,6 +713,24 @@ QVector<QPointF> VLayoutPiece::GetGrainline() const
     return Map(d->grainlinePoints);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+bool VLayoutPiece::IsGrainlineEnabled() const
+{
+    return d->grainlineEnabled;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+qreal VLayoutPiece::GrainlineAngle() const
+{
+    return d->grainlineAngle;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+ArrowType VLayoutPiece::GrainlineArrowType() const
+{
+    return d->grainlineArrowType;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 QTransform VLayoutPiece::GetMatrix() const
 {
@@ -1195,7 +1217,7 @@ void VLayoutPiece::CreateGrainlineItem(QGraphicsItem *parent) const
 {
     SCASSERT(parent != nullptr)
 
-    if (d->grainlinePoints.count() < 2)
+    if (not d->grainlineEnabled || d->grainlinePoints.count() < 2)
     {
         return;
     }

src/libs/vlayout/vlayoutpiece.h

@@ -104,6 +104,9 @@ public:
 
     void SetGrainline(const VGrainlineData& geom, const VContainer *pattern);
     QVector<QPointF> GetGrainline() const;
+    bool  IsGrainlineEnabled() const;
+    qreal GrainlineAngle() const;
+    ArrowType GrainlineArrowType() const;
 
     QTransform GetMatrix() const;
     void    SetMatrix(const QTransform &matrix);

src/libs/vlayout/vlayoutpiece_p.h

@@ -61,6 +61,9 @@ public:
           detailLabel(),
           patternInfo(),
           grainlinePoints(),
+          grainlineArrowType(ArrowType::atFront),
+          grainlineAngle(0),
+          grainlineEnabled(false),
           m_tmDetail(),
           m_tmPattern(),
           m_placeLabels()
@@ -79,6 +82,9 @@ public:
           detailLabel(detail.detailLabel),
           patternInfo(detail.patternInfo),
           grainlinePoints(detail.grainlinePoints),
+          grainlineArrowType(detail.grainlineArrowType),
+          grainlineAngle(detail.grainlineAngle),
+          grainlineEnabled(detail.grainlineEnabled),
           m_tmDetail(detail.m_tmDetail),
           m_tmPattern(detail.m_tmPattern),
           m_placeLabels(detail.m_placeLabels)
@@ -118,6 +124,10 @@ public:
     /** @brief grainlineInfo line */
     QVector<QPointF>          grainlinePoints;
 
+    ArrowType                 grainlineArrowType;
+    qreal                     grainlineAngle;
+    bool                      grainlineEnabled;
+
     /** @brief m_tmDetail text manager for laying out detail info */
     VTextManager              m_tmDetail;
 

src/libs/vlayout/vposition.cpp

@@ -51,7 +51,7 @@
 
 //---------------------------------------------------------------------------------------------------------------------
 VPosition::VPosition(const VContour &gContour, int j, const VLayoutPiece &detail, int i, std::atomic_bool *stop,
-                     bool rotate, int rotationIncrease, bool saveLength)
+                     bool rotate, int rotationIncrease, bool saveLength, bool followGainline)
     : QRunnable(),
       bestResult(VBestSquare(gContour.GetSize(), saveLength)),
       gContour(gContour),
@@ -65,7 +65,8 @@ VPosition::VPosition(const VContour &gContour, int j, const VLayoutPiece &detail
       stop(stop),
       rotate(rotate),
       rotationIncrease(rotationIncrease),
-      angle_between(0)
+      angle_between(0),
+      followGrainline(followGainline)
 {
     if ((rotationIncrease >= 1 && rotationIncrease <= 180 && 360 % rotationIncrease == 0) == false)
     {
@@ -81,6 +82,8 @@ void VPosition::run()
         return;
     }
 
+    if (not followGrainline || not detail.IsGrainlineEnabled())
+    {
         // We should use copy of the detail.
         VLayoutPiece workDetail = detail;
 
@@ -109,6 +112,11 @@ void VPosition::run()
             }
         }
     }
+    else
+    {
+        FollowGrainline();
+    }
+}
 
 //---------------------------------------------------------------------------------------------------------------------
 // cppcheck-suppress unusedFunction
@@ -351,14 +359,14 @@ bool VPosition::CheckCombineEdges(VLayoutPiece &detail, int j, int &dEdge)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-bool VPosition::CheckRotationEdges(VLayoutPiece &detail, int j, int dEdge, int angle) const
+bool VPosition::CheckRotationEdges(VLayoutPiece &detail, int j, int dEdge, qreal angle) const
 {
     const QLineF globalEdge = gContour.GlobalEdge(j);
     bool flagSquare = false;
 
     if (detail.IsForceFlipping())
     {
-        detail.Mirror(globalEdge);
+        detail.Mirror(not followGrainline ? globalEdge : QLineF(10, 10, 10, 100));
     }
 
     RotateEdges(detail, globalEdge, dEdge, angle);
@@ -391,6 +399,26 @@ bool VPosition::CheckRotationEdges(VLayoutPiece &detail, int j, int dEdge, int a
     return flagSquare;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VPosition::RotateOnAngle(qreal angle)
+{
+    // We should use copy of the detail.
+    VLayoutPiece workDetail = detail;
+
+    if (CheckRotationEdges(workDetail, j, i, angle))
+    {
+        #ifdef LAYOUT_DEBUG
+        #   ifdef SHOW_CANDIDATE_BEST
+                ++frame;
+                DrawDebug(gContour, workDetail, frame, paperIndex, detailsCount, details);
+        #   endif
+        #endif
+
+        SaveCandidate(bestResult, workDetail, j, i, BestFrom::Rotation);
+    }
+    ++frame;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 VPosition::CrossingType VPosition::Crossing(const VLayoutPiece &detail) const
 {
@@ -449,7 +477,7 @@ void VPosition::CombineEdges(VLayoutPiece &detail, const QLineF &globalEdge, con
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VPosition::RotateEdges(VLayoutPiece &detail, const QLineF &globalEdge, int dEdge, int angle) const
+void VPosition::RotateEdges(VLayoutPiece &detail, const QLineF &globalEdge, int dEdge, qreal angle) const
 {
     QLineF detailEdge;
     if (gContour.GetContour().isEmpty())
@@ -487,21 +515,31 @@ void VPosition::Rotate(int increase)
             return;
         }
 
-        // We should use copy of the detail.
+        RotateOnAngle(angle);
-        VLayoutPiece workDetail = detail;
-
-        if (CheckRotationEdges(workDetail, j, i, angle))
-        {
-            #ifdef LAYOUT_DEBUG
-            #   ifdef SHOW_CANDIDATE_BEST
-                    ++frame;
-                    DrawDebug(gContour, workDetail, frame, paperIndex, detailsCount, details);
-            #   endif
-            #endif
-
-            SaveCandidate(bestResult, workDetail, j, i, BestFrom::Rotation);
     }
-        ++frame;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPosition::FollowGrainline()
+{
+    if (stop->load())
+    {
+        return;
+    }
+
+    QLineF detailGrainline(10, 10, 100, 10);
+    detailGrainline.setAngle(detail.GrainlineAngle());
+
+    const qreal angle = detailGrainline.angleTo(FabricGrainline());
+
+    if (detail.GrainlineArrowType() == ArrowType::atFront)
+    {
+        RotateOnAngle(angle);
+    }
+
+    if (detail.GrainlineArrowType() == ArrowType::atRear)
+    {
+        RotateOnAngle(angle+180);
     }
 }
 

src/libs/vlayout/vposition.h

@@ -44,7 +44,7 @@ class VPosition : public QRunnable
 {
 public:
     VPosition(const VContour &gContour, int j, const VLayoutPiece &detail, int i, std::atomic_bool *stop, bool rotate,
-              int rotationIncrease, bool saveLength);
+              int rotationIncrease, bool saveLength, bool followGainline);
     virtual ~VPosition() override{}
 
     quint32 getPaperIndex() const;
@@ -83,6 +83,7 @@ private:
      * @brief angle_between keep angle between global edge and detail edge. Need for optimization rotation.
      */
     qreal angle_between;
+    bool followGrainline;
 
     enum class CrossingType : char
     {
@@ -103,19 +104,34 @@ private:
     void SaveCandidate(VBestSquare &bestResult, const VLayoutPiece &detail, int globalI, int detJ, BestFrom type);
 
     bool CheckCombineEdges(VLayoutPiece &detail, int j, int &dEdge);
-    bool CheckRotationEdges(VLayoutPiece &detail, int j, int dEdge, int angle) const;
+    bool CheckRotationEdges(VLayoutPiece &detail, int j, int dEdge, qreal angle) const;
+
+    void RotateOnAngle(qreal angle);
 
     CrossingType Crossing(const VLayoutPiece &detail) const;
     bool         SheetContains(const QRectF &rect) const;
 
     void CombineEdges(VLayoutPiece &detail, const QLineF &globalEdge, const int &dEdge);
-    void RotateEdges(VLayoutPiece &detail, const QLineF &globalEdge, int dEdge, int angle) const;
+    void RotateEdges(VLayoutPiece &detail, const QLineF &globalEdge, int dEdge, qreal angle) const;
 
     static QPainterPath ShowDirection(const QLineF &edge);
     static QPainterPath DrawContour(const QVector<QPointF> &points);
     static QPainterPath DrawDetails(const QVector<VLayoutPiece> &details);
 
     void Rotate(int increase);
+    void FollowGrainline();
+
+    QLineF FabricGrainline() const;
 };
 
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief VPosition::FabricGrainline return fabric gainline accoding to paper orientation
+ * @return fabric gainline line
+ */
+inline QLineF VPosition::FabricGrainline() const
+{
+    return gContour.GetHeight() >= gContour.GetWidth() ? QLineF(10, 10, 10, 100) : QLineF(10, 10, 100, 10);
+}
+
 #endif // VPOSITION_H

src/libs/vmisc/commandoptions.cpp

@@ -127,6 +127,8 @@ const QString LONG_OPTION_TILED_PDF_TOP_MARGIN    = QStringLiteral("tiledtmargin
 const QString LONG_OPTION_TILED_PDF_BOTTOM_MARGIN = QStringLiteral("tiledbmargin");
 const QString LONG_OPTION_TILED_PDF_LANDSCAPE     = QStringLiteral("tiledLandscape");
 
+const QString LONG_OPTION_FOLLOW_GRAINLINE = QStringLiteral("followGrainline");
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief AllKeys return list with all command line keys (short and long forms). Used for testing on conflicts.
@@ -175,7 +177,8 @@ QStringList AllKeys()
          << LONG_OPTION_TILED_PDF_RIGHT_MARGIN
          << LONG_OPTION_TILED_PDF_TOP_MARGIN
          << LONG_OPTION_TILED_PDF_BOTTOM_MARGIN
-         << LONG_OPTION_TILED_PDF_LANDSCAPE;
+         << LONG_OPTION_TILED_PDF_LANDSCAPE
+         << LONG_OPTION_FOLLOW_GRAINLINE;
 
     return list;
 }

src/libs/vmisc/commandoptions.h

@@ -123,6 +123,7 @@ extern const QString LONG_OPTION_TILED_PDF_RIGHT_MARGIN;
 extern const QString LONG_OPTION_TILED_PDF_TOP_MARGIN;
 extern const QString LONG_OPTION_TILED_PDF_BOTTOM_MARGIN;
 extern const QString LONG_OPTION_TILED_PDF_LANDSCAPE;
+extern const QString LONG_OPTION_FOLLOW_GRAINLINE;
 
 QStringList AllKeys();
 

src/libs/vmisc/vsettings.cpp

@@ -85,6 +85,7 @@ Q_GLOBAL_STATIC_WITH_ARGS(const QString, settingLayoutPaperHeight, (QLatin1Strin
 Q_GLOBAL_STATIC_WITH_ARGS(const QString, settingLayoutPaperWidth, (QLatin1String("layout/paperWidth")))
 Q_GLOBAL_STATIC_WITH_ARGS(const QString, settingLayoutShift, (QLatin1String("layout/shift")))
 Q_GLOBAL_STATIC_WITH_ARGS(const QString, settingLayoutRotate, (QLatin1String("layout/Rotate")))
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, settingLayoutFollowGrainline, (QLatin1String("layout/followGrainline")))
 Q_GLOBAL_STATIC_WITH_ARGS(const QString, settingLayoutRotationIncrease, (QLatin1String("layout/rotationIncrease")))
 Q_GLOBAL_STATIC_WITH_ARGS(const QString, settingLayoutAutoCrop, (QLatin1String("layout/autoCrop")))
 Q_GLOBAL_STATIC_WITH_ARGS(const QString, settingLayoutSaveLength, (QLatin1String("layout/saveLength")))
@@ -370,6 +371,24 @@ void VSettings::SetLayoutRotate(bool value)
     setValue(*settingLayoutRotate, value);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+bool VSettings::GetLayoutFollowGrainline() const
+{
+    return value(*settingLayoutFollowGrainline, GetDefLayoutFollowGrainline()).toBool();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+bool VSettings::GetDefLayoutFollowGrainline()
+{
+    return false;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VSettings::SetLayoutFollowGrainline(bool value)
+{
+    setValue(*settingLayoutFollowGrainline, value);
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 int VSettings::GetLayoutRotationIncrease() const
 {

src/libs/vmisc/vsettings.h

@@ -97,6 +97,10 @@ public:
     static bool GetDefLayoutRotate();
     void SetLayoutRotate(bool value);
 
+    bool GetLayoutFollowGrainline() const;
+    static bool GetDefLayoutFollowGrainline();
+    void SetLayoutFollowGrainline(bool value);
+
     int GetLayoutRotationIncrease() const;
     static int GetDefLayoutRotationIncrease();
     void SetLayoutRotationIncrease(int value);