Implementation for tool Spline path.

--HG--
branch : feature

src/libs/vtools/dialogs/tools/dialogsplinepath.cpp

@@ -61,6 +61,13 @@ DialogSplinePath::DialogSplinePath(const VContainer *data, const quint32 &toolId
             this, &DialogSplinePath::KAsm2Changed);
 
     vis = new VisToolSplinePath(data);
+    auto path = qobject_cast<VisToolSplinePath *>(vis);
+    SCASSERT(path != nullptr);
+
+    auto scene = qobject_cast<VMainGraphicsScene *>(qApp->getCurrentScene());
+    SCASSERT(scene != nullptr);
+    connect(scene, &VMainGraphicsScene::MouseLeftPressed, path, &VisToolSplinePath::MouseLeftPressed);
+    connect(scene, &VMainGraphicsScene::MouseLeftReleased, path, &VisToolSplinePath::MouseLeftReleased);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -126,7 +133,7 @@ void DialogSplinePath::ChosenObject(quint32 id, const SceneObject &type)
 
         SavePath();
 
-        VisToolSplinePath *visPath = qobject_cast<VisToolSplinePath *>(vis);
+        auto visPath = qobject_cast<VisToolSplinePath *>(vis);
         SCASSERT(visPath != nullptr);
         visPath->setPath(path);
 

src/libs/vtools/visualization/vistoolsplinepath.cpp

@@ -27,18 +27,27 @@
  *************************************************************************/
 
 #include "vistoolsplinepath.h"
+#include "../vwidgets/vcontrolpointspline.h"
 
 //---------------------------------------------------------------------------------------------------------------------
 VisToolSplinePath::VisToolSplinePath(const VContainer *data, QGraphicsItem *parent)
-    : VisPath(data, parent), points(QVector<QGraphicsEllipseItem *>()), line(nullptr), path(VSplinePath())
+    : VisPath(data, parent),
+      points(QVector<QGraphicsEllipseItem *>()),
+      ctrlPoints(QVector<VControlPointSpline *>()),
+      newCurveSegment(nullptr),
+      path(VSplinePath()),
+      isLeftMousePressed(false),
+      pointSelected(false),
+      ctrlPoint()
 {
-    line = InitItem<QGraphicsLineItem>(mainColor, this);
+    newCurveSegment = InitItem<QGraphicsPathItem>(mainColor, this);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 VisToolSplinePath::~VisToolSplinePath()
 {
-    qDeleteAll(points.begin(), points.end());
+    qDeleteAll(ctrlPoints);
+    qDeleteAll(points);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -46,41 +55,25 @@ void VisToolSplinePath::RefreshGeometry()
 {
     if (path.CountPoint() > 0)
     {
-        QVector<VSplinePoint> pathPoints = path.GetSplinePath();
-        if (path.CountPoint() == 1)
+        const QVector<VSplinePoint> pathPoints = path.GetSplinePath();
+        const int size = pathPoints.size();
+
+        for (int i = 0; i < size; ++i)
         {
-            QGraphicsEllipseItem *point = this->getPoint(0);
-            DrawPoint(point, pathPoints.at(0).P().toQPointF(), supportColor);
-
-            if (mode == Mode::Creation)
-            {
-                QLineF sceneLine = QLineF(pathPoints.at(0).P().toQPointF(), Visualization::scenePos);
-                DrawLine(line, sceneLine, mainColor, lineStyle);
-
-                path[0].SetAngle2(sceneLine.angle());
-                emit PathChanged(path);
-            }
+            QGraphicsEllipseItem *point = this->getPoint(static_cast<unsigned>(i));
+            DrawPoint(point, pathPoints.at(i).P().toQPointF(), supportColor);
         }
-        else
+
+        if (mode == Mode::Creation)
         {
-            for (int i = 0; i < pathPoints.size(); ++i)
-            {
-                QGraphicsEllipseItem *point = this->getPoint(static_cast<unsigned>(i));
-                DrawPoint(point, pathPoints.at(i).P().toQPointF(), supportColor);
-            }
-
-            if (mode == Mode::Creation)
-            {
-                QLineF sceneLine = QLineF(pathPoints.at(pathPoints.size() - 1).P().toQPointF(),
-                                          Visualization::scenePos);
-                DrawLine(line, sceneLine, mainColor, lineStyle);
-
-                path[pathPoints.size() - 1].SetAngle2(sceneLine.angle());
-                emit PathChanged(path);
-            }
+            Creating(pathPoints.at(size-1).P().toQPointF(), size);
+        }
 
+        if (size > 1)
+        {
             DrawPath(this, path.GetPath(PathDirection::Show), mainColor, Qt::SolidLine, Qt::RoundCap);
         }
+
         if (path.CountPoint() < 3)
         {
             Visualization::toolTip = tr("<b>Curved path</b>: select three or more points");
@@ -106,6 +99,25 @@ VSplinePath VisToolSplinePath::getPath()
     return path;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VisToolSplinePath::MouseLeftPressed()
+{
+    if (mode == Mode::Creation)
+    {
+        isLeftMousePressed = true;
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VisToolSplinePath::MouseLeftReleased()
+{
+    if (mode == Mode::Creation)
+    {
+        isLeftMousePressed = false;
+        RefreshGeometry();
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 QGraphicsEllipseItem *VisToolSplinePath::getPoint(quint32 i)
 {
@@ -115,9 +127,144 @@ QGraphicsEllipseItem *VisToolSplinePath::getPoint(quint32 i)
     }
     else
     {
-        QGraphicsEllipseItem * point = InitPoint(supportColor, this);
+        pointSelected = false;
+
+        auto point = InitPoint(supportColor, this);
         points.append(point);
+
+        if (points.size() == 1)
+        {
+            auto *controlPoint1 = new VControlPointSpline(points.size(), SplinePointPosition::FirstPoint,
+                                                          *Visualization::data->GetPatternUnit(),
+                                                          this);
+            controlPoint1->hide();
+            ctrlPoints.append(controlPoint1);
+        }
+        else
+        {
+            auto *controlPoint1 = new VControlPointSpline(points.size()-1, SplinePointPosition::LastPoint,
+                                                          *Visualization::data->GetPatternUnit(),
+                                                          this);
+            controlPoint1->hide();
+            ctrlPoints.append(controlPoint1);
+
+            auto *controlPoint2 = new VControlPointSpline(points.size(), SplinePointPosition::FirstPoint,
+                                                          *Visualization::data->GetPatternUnit(),
+                                                          this);
+            controlPoint2->hide();
+            ctrlPoints.append(controlPoint2);
+        }
+
         return point;
     }
     return nullptr;
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+QSharedPointer<VSpline> VisToolSplinePath::NewCurveSegmen(const QPointF &pSpl, int size)
+{
+    auto spline = QSharedPointer<VSpline>(new VSpline(VPointF(pSpl), ctrlPoint, Visualization::scenePos,
+                                                      VPointF(Visualization::scenePos), path.GetKCurve()));
+
+    if (size == 1)
+    {
+        path[size-1].SetAngle2(spline->GetStartAngle());
+        path[size-1].SetKAsm2(spline->GetKasm1());
+        emit PathChanged(path);
+    }
+    else
+    {
+        path[size-1].SetAngle2(spline->GetStartAngle());
+        path[size-1].SetKAsm1(spline->GetKasm1());
+        path[size-1].SetKAsm2(spline->GetKasm1());
+        emit PathChanged(path);
+    }
+
+    return spline;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VisToolSplinePath::Creating(const QPointF &pSpl, int size)
+{
+    //Radius of point circle, but little bigger. Need handle with hover sizes.
+    const static qreal radius = ToPixel(DefPointRadius/*mm*/, Unit::Mm)*1.5;
+
+    int lastPoint = 0;
+    int preLastPoint = 0;
+
+    if (size > 1)
+    {
+        lastPoint = (size - 1) * 2;
+        preLastPoint = lastPoint - 1;
+    }
+
+    if (isLeftMousePressed && not pointSelected)
+    {
+        newCurveSegment->hide();
+
+        ctrlPoint = Visualization::scenePos;
+
+        if (not ctrlPoints[lastPoint]->isVisible())
+        {
+            if (QLineF(pSpl, ctrlPoint).length() > radius)
+            {
+                if (size == 1)
+                {
+                    ctrlPoints[lastPoint]->show();
+                }
+                else
+                {
+                    ctrlPoints[preLastPoint]->show();
+                    ctrlPoints[lastPoint]->show();
+                }
+            }
+            else
+            {
+                ctrlPoint = pSpl;
+            }
+        }
+
+        if (size == 1)
+        {
+            ctrlPoints[lastPoint]->RefreshCtrlPoint(size, SplinePointPosition::FirstPoint, ctrlPoint, pSpl);
+        }
+        else
+        {
+            QLineF ctrlLine (pSpl, Visualization::scenePos);
+            ctrlLine.setAngle(ctrlLine.angle()+180);
+
+            ctrlPoints[preLastPoint]->RefreshCtrlPoint(size-1, SplinePointPosition::LastPoint, ctrlLine.p2(), pSpl);
+            ctrlPoints[lastPoint]->RefreshCtrlPoint(size, SplinePointPosition::FirstPoint, ctrlPoint, pSpl);
+        }
+
+        VSpline spline(VPointF(pSpl), ctrlPoint, Visualization::scenePos,
+                       VPointF(Visualization::scenePos), path.GetKCurve());
+
+        if (size == 1)
+        {
+            path[size-1].SetAngle2(spline.GetStartAngle());
+            path[size-1].SetKAsm2(spline.GetKasm1());
+            emit PathChanged(path);
+        }
+        else
+        {
+            path[size-1].SetAngle2(spline.GetStartAngle());
+            path[size-1].SetKAsm1(spline.GetKasm1());
+            path[size-1].SetKAsm2(spline.GetKasm1());
+            emit PathChanged(path);
+        }
+    }
+    else
+    {
+        pointSelected = true;
+
+        VSpline spline(VPointF(pSpl), ctrlPoint, Visualization::scenePos,
+                       VPointF(Visualization::scenePos), path.GetKCurve());
+
+        path[size-1].SetAngle2(spline.GetStartAngle());
+        path[size-1].SetKAsm2(spline.GetKasm1());
+        emit PathChanged(path);
+
+        DrawPath(newCurveSegment, spline.GetPath(PathDirection::Hide), mainColor, Qt::SolidLine, Qt::RoundCap);
+    }
+}

src/libs/vtools/visualization/vistoolsplinepath.h

@@ -32,6 +32,8 @@
 #include "vispath.h"
 #include "../../vgeometry/vsplinepath.h"
 
+class VControlPointSpline;
+
 class VisToolSplinePath : public VisPath
 {
     Q_OBJECT
@@ -50,13 +52,25 @@ public:
 signals:
     void PathChanged(const VSplinePath &path);
 
+public slots:
+    void MouseLeftPressed();
+    void MouseLeftReleased();
+
 protected:
     Q_DISABLE_COPY(VisToolSplinePath)
     QVector<QGraphicsEllipseItem *> points;
-    QGraphicsLineItem               *line;
+    QVector<VControlPointSpline *>  ctrlPoints;
+    QGraphicsPathItem               *newCurveSegment;
     VSplinePath                     path;
 
+    bool isLeftMousePressed;
+    bool pointSelected;
+
+    QPointF ctrlPoint;
+
     QGraphicsEllipseItem * getPoint(quint32 i);
+    QSharedPointer<VSpline> NewCurveSegmen(const QPointF &pSpl, int size);
+    void Creating(const QPointF &pSpl, int size);
 };
 
 #endif // VISTOOLSPLINEPATH_H