Parent class for all visualizations.

--HG--
branch : develop

src/app/visualization/visline.cpp

@@ -33,42 +33,16 @@
 
 //---------------------------------------------------------------------------------------------------------------------
 VisLine::VisLine(const VContainer *data, QGraphicsItem *parent)
-    :QObject(), QGraphicsLineItem(parent), data(data), factor(VDrawTool::factor), scenePos(QPointF()),
+    :Visualization(data), QGraphicsLineItem(parent)
-      mainColor(Qt::red), supportColor(Qt::magenta), lineStyle(Qt::SolidLine), point1Id(0), toolTip(QString())
 {
     this->setZValue(1);// Show on top real tool
-    this->setPen(QPen(mainColor, qApp->toPixel(qApp->widthHairLine())/factor, lineStyle));
+    InitPen();
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 VisLine::~VisLine()
 {}
 
-//---------------------------------------------------------------------------------------------------------------------
-void VisLine::SetFactor(qreal factor)
-{
-    VApplication::CheckFactor(this->factor, factor);
-    RefreshGeometry();
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-void VisLine::setLineStyle(const Qt::PenStyle &value)
-{
-    lineStyle = value;
-    this->setPen(QPen(mainColor, qApp->toPixel(qApp->widthHairLine())/factor, lineStyle));
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-void VisLine::MousePos(const QPointF &scenePos)
-{
-    this->scenePos = scenePos;
-    RefreshGeometry();
-    if (toolTip.isEmpty() == false)
-    {
-        emit ToolTip(toolTip);
-    }
-}
-
 //---------------------------------------------------------------------------------------------------------------------
 QRectF VisLine::PointRect(const qreal &radius)
 {
@@ -93,7 +67,7 @@ qreal VisLine::FindLength(const QString &expression)
             QString formula = expression;
             formula.replace("\n", " ");
             formula = qApp->FormulaFromUser(formula);
-            Calculator *cal = new Calculator(data);
+            Calculator *cal = new Calculator(Visualization::data);
             length = cal->EvalFormula(formula);
             delete cal;
         }
@@ -127,7 +101,7 @@ qreal VisLine::FindVal(const QString &expression)
             QString formula = expression;
             formula.replace("\n", " ");
             formula = qApp->FormulaFromUser(formula);
-            Calculator *cal = new Calculator(data);
+            Calculator *cal = new Calculator(Visualization::data);
             val = cal->EvalFormula(formula);
             delete cal;
         }
@@ -223,7 +197,7 @@ QPointF VisLine::Ray(const QPointF &firstPoint, const qreal &angle) const
 {
     if(this->scene() == nullptr)
     {
-        QLineF line = QLineF(firstPoint, scenePos);
+        QLineF line = QLineF(firstPoint, Visualization::scenePos);
         line.setAngle(angle);
         return line.p2();// We can't find ray because item doesn't have scene. We will return cursor position on scene.
     }
@@ -245,44 +219,10 @@ QPointF VisLine::Ray(const QPointF &firstPoint, const qreal &angle) const
 //---------------------------------------------------------------------------------------------------------------------
 QPointF VisLine::Ray(const QPointF &firstPoint) const
 {
-    QLineF line = QLineF(firstPoint, scenePos);
+    QLineF line = QLineF(firstPoint, Visualization::scenePos);
     return Ray(firstPoint, line.angle());
 }
 
-//---------------------------------------------------------------------------------------------------------------------
-void VisLine::setMainColor(const QColor &value)
-{
-    mainColor = value;
-    this->setPen(QPen(mainColor, qApp->toPixel(qApp->widthHairLine())/factor, lineStyle));
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-void VisLine::setScenePos(const QPointF &value)
-{
-    scenePos = value;
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-void VisLine::VisualMode(const quint32 &pointId)
-{
-    VMainGraphicsScene *scene = qApp->getCurrentScene();
-    SCASSERT(scene != nullptr);
-
-    this->point1Id = pointId;
-    this->scenePos = scene->getScenePos();
-    RefreshGeometry();
-
-    scene->addItem(this);
-    connect(scene, &VMainGraphicsScene::NewFactor, this, &VisLine::SetFactor);
-    connect(scene, &VMainGraphicsScene::mouseMove, this, &VisLine::MousePos);
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-void VisLine::setPoint1Id(const quint32 &value)
-{
-    point1Id = value;
-}
-
 //---------------------------------------------------------------------------------------------------------------------
 QLineF VisLine::Axis(const QPointF &p, const qreal &angle) const
 {
@@ -297,3 +237,15 @@ QLineF VisLine::Axis(const QPointF &p1, const QPointF &p2) const
     QLineF line(p1, p2);
     return Axis(p1, line.angle());
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void VisLine::InitPen()
+{
+    this->setPen(QPen(mainColor, qApp->toPixel(qApp->widthHairLine())/factor, lineStyle));
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VisLine::AddOnScene()
+{
+    AddItem(this);
+}

src/app/visualization/visline.h

@@ -29,41 +29,20 @@
 #ifndef VISLINE_H
 #define VISLINE_H
 
-#include <QObject>
+#include "visualization.h"
 #include <QGraphicsLineItem>
 #include <QPointF>
 
-#include "../widgets/vapplication.h"
-
 class VContainer;
 
-class VisLine: public QObject, public QGraphicsLineItem
+class VisLine: public Visualization, public QGraphicsLineItem
 {
     Q_OBJECT
 public:
     VisLine(const VContainer *data, QGraphicsItem *parent = 0);
     virtual ~VisLine();
 
-    void         setPoint1Id(const quint32 &value);
-    void         setLineStyle(const Qt::PenStyle &value);
-    virtual void RefreshGeometry()=0;
-    void         setScenePos(const QPointF &value);
-    void         VisualMode(const quint32 &pointId);
-    void         setMainColor(const QColor &value);
-signals:
-    void         ToolTip(const QString &toolTip);
-public slots:
-    void         SetFactor(qreal factor);
-    void         MousePos(const QPointF &scenePos);
 protected:
-    const VContainer *data;
-    qreal            factor;
-    QPointF          scenePos;
-    QColor           mainColor;
-    QColor           supportColor;
-    Qt::PenStyle     lineStyle;
-    quint32          point1Id;
-    QString          toolTip;
     QRectF       PointRect(const qreal &radius);
     qreal        FindLength(const QString &expression);
     qreal        FindVal(const QString &expression);
@@ -89,6 +68,8 @@ protected:
     QPointF      Ray(const QPointF &firstPoint) const;
     QLineF       Axis(const QPointF &p, const qreal &angle) const;
     QLineF       Axis(const QPointF &p1, const QPointF &p2) const;
+    virtual void InitPen();
+    virtual void AddOnScene();
 private:
     Q_DISABLE_COPY(VisLine)
 };

src/app/visualization/vistoolalongline.cpp

@@ -64,16 +64,16 @@ void VisToolAlongLine::RefreshGeometry()
 {
     if (point1Id > 0)
     {
-        const VPointF *first = data->GeometricObject<const VPointF *>(point1Id);
+        const VPointF *first = Visualization::data->GeometricObject<const VPointF *>(point1Id);
         DrawPoint(lineP1, first->toQPointF(), supportColor);
 
         if (point2Id <= 0)
         {
-            DrawLine(line, QLineF(first->toQPointF(), scenePos), supportColor);
+            DrawLine(line, QLineF(first->toQPointF(), Visualization::scenePos), supportColor);
         }
         else
         {
-            const VPointF *second = data->GeometricObject<const VPointF *>(point2Id);
+            const VPointF *second = Visualization::data->GeometricObject<const VPointF *>(point2Id);
             DrawPoint(lineP2, second->toQPointF(), supportColor);
 
             DrawLine(line, QLineF(first->toQPointF(), second->toQPointF()), supportColor);

src/app/visualization/vistoolbisector.cpp

@@ -73,27 +73,27 @@ void VisToolBisector::RefreshGeometry()
 {
     if (point1Id > 0)
     {
-        const VPointF *first = data->GeometricObject<const VPointF *>(point1Id);
+        const VPointF *first = Visualization::data->GeometricObject<const VPointF *>(point1Id);
         DrawPoint(line1P1, first->toQPointF(), supportColor);
 
         if (point2Id <= 0)
         {
-            DrawLine(line1, QLineF(first->toQPointF(), scenePos), supportColor);
+            DrawLine(line1, QLineF(first->toQPointF(), Visualization::scenePos), supportColor);
         }
         else
         {
-            const VPointF *second = data->GeometricObject<const VPointF *>(point2Id);
+            const VPointF *second = Visualization::data->GeometricObject<const VPointF *>(point2Id);
             DrawPoint(line1P2, second->toQPointF(), supportColor);
 
             DrawLine(line1, QLineF(first->toQPointF(), second->toQPointF()), supportColor);
 
             if (point3Id <= 0)
             {
-                DrawLine(line2, QLineF(second->toQPointF(), scenePos), supportColor);
+                DrawLine(line2, QLineF(second->toQPointF(), Visualization::scenePos), supportColor);
             }
             else
             {
-                const VPointF *third = data->GeometricObject<const VPointF *>(point3Id);
+                const VPointF *third = Visualization::data->GeometricObject<const VPointF *>(point3Id);
                 DrawPoint(line2P2, third->toQPointF(), supportColor);
 
                 DrawLine(line2, QLineF(second->toQPointF(), third->toQPointF()), supportColor);

src/app/visualization/vistoolendline.cpp

@@ -50,7 +50,7 @@ VisToolEndLine::~VisToolEndLine()
 //---------------------------------------------------------------------------------------------------------------------
 void VisToolEndLine::RefreshGeometry()
 {
-    const VPointF *first = data->GeometricObject<const VPointF *>(point1Id);
+    const VPointF *first = Visualization::data->GeometricObject<const VPointF *>(point1Id);
     QLineF line;
     if (qFuzzyCompare(1 + length, 1 + 0))
     {
@@ -62,8 +62,8 @@ void VisToolEndLine::RefreshGeometry()
         DrawPoint(point, line.p2(), mainColor);
     }
     DrawLine(this, line, mainColor, lineStyle);
-    toolTip = QString(tr("<b>Point at distance and angle</b>: angle = %1°; <b>Shift</b> - sticking angle, "
+    Visualization::toolTip = QString(tr("<b>Point at distance and angle</b>: angle = %1°; <b>Shift</b> - "
-                         "<b>Enter</b> - finish creation")).arg(this->line().angle());
+                                        "sticking angle, <b>Enter</b> - finish creation")).arg(this->line().angle());
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/visualization/vistoolheight.cpp

@@ -53,27 +53,27 @@ void VisToolHeight::RefreshGeometry()
 {
     if (point1Id > 0)
     {
-        const VPointF *first = data->GeometricObject<const VPointF *>(point1Id);
+        const VPointF *first = Visualization::data->GeometricObject<const VPointF *>(point1Id);
         DrawPoint(base_point, first->toQPointF(), supportColor);
 
         if (lineP1Id <= 0)
         {
-            DrawLine(this, QLineF(first->toQPointF(), scenePos), mainColor);
+            DrawLine(this, QLineF(first->toQPointF(), Visualization::scenePos), mainColor);
         }
         else
         {
-            const VPointF *second = data->GeometricObject<const VPointF *>(lineP1Id);
+            const VPointF *second = Visualization::data->GeometricObject<const VPointF *>(lineP1Id);
             DrawPoint(lineP1, second->toQPointF(), supportColor);
 
             QLineF base_line;
             if (lineP2Id <= 0)
             {
-                base_line = QLineF(second->toQPointF(), scenePos);
+                base_line = QLineF(second->toQPointF(), Visualization::scenePos);
                 DrawLine(line, base_line, supportColor);
             }
             else
             {
-                const VPointF *third = data->GeometricObject<const VPointF *>(lineP2Id);
+                const VPointF *third = Visualization::data->GeometricObject<const VPointF *>(lineP2Id);
                 DrawPoint(lineP2, third->toQPointF(), supportColor);
 
                 base_line = QLineF(second->toQPointF(), third->toQPointF());

src/app/visualization/vistoolline.cpp

@@ -46,14 +46,14 @@ VisToolLine::~VisToolLine()
 void VisToolLine::RefreshGeometry()
 {
     QLineF line;
-    const VPointF *first = data->GeometricObject<const VPointF *>(point1Id);
+    const VPointF *first = Visualization::data->GeometricObject<const VPointF *>(point1Id);
     if (point2Id == 0)
     {
-        line = QLineF(first->toQPointF(), scenePos);
+        line = QLineF(first->toQPointF(), Visualization::scenePos);
     }
     else
     {
-        const VPointF *second = data->GeometricObject<const VPointF *>(point2Id);
+        const VPointF *second = Visualization::data->GeometricObject<const VPointF *>(point2Id);
         line = QLineF(first->toQPointF(), second->toQPointF());
     }
     DrawLine(this, line, mainColor, lineStyle);

src/app/visualization/vistoollineintersect.cpp

@@ -54,16 +54,16 @@ void VisToolLineIntersect::RefreshGeometry()
 {
     if (point1Id > 0)
     {
-        const VPointF *first = data->GeometricObject<const VPointF *>(point1Id);
+        const VPointF *first = Visualization::data->GeometricObject<const VPointF *>(point1Id);
         DrawPoint(line1P1, first->toQPointF(), supportColor);
 
         if (line1P2Id <= 0)
         {
-            DrawLine(line1, QLineF(first->toQPointF(), scenePos), supportColor);
+            DrawLine(line1, QLineF(first->toQPointF(), Visualization::scenePos), supportColor);
         }
         else
         {
-            const VPointF *second = data->GeometricObject<const VPointF *>(line1P2Id);
+            const VPointF *second = Visualization::data->GeometricObject<const VPointF *>(line1P2Id);
             DrawPoint(line1P2, second->toQPointF(), supportColor);
 
             DrawLine(line1, QLineF(first->toQPointF(), second->toQPointF()), supportColor);
@@ -74,15 +74,15 @@ void VisToolLineIntersect::RefreshGeometry()
             }
             else
             {
-                const VPointF *third = data->GeometricObject<const VPointF *>(line2P1Id);
+                const VPointF *third = Visualization::data->GeometricObject<const VPointF *>(line2P1Id);
                 DrawPoint(line2P1, third->toQPointF(), supportColor);
 
                 if (line2P2Id <= 0)
                 {
-                    DrawLine(this, QLineF(third->toQPointF(), scenePos), supportColor);
+                    DrawLine(this, QLineF(third->toQPointF(), Visualization::scenePos), supportColor);
 
                     QLineF l1(first->toQPointF(), second->toQPointF());
-                    QLineF l2(third->toQPointF(), scenePos);
+                    QLineF l2(third->toQPointF(), Visualization::scenePos);
                     QPointF fPoint;
                     QLineF::IntersectType intersect = l1.intersect(l2, &fPoint);
                     if (intersect == QLineF::UnboundedIntersection || intersect == QLineF::BoundedIntersection)
@@ -92,7 +92,7 @@ void VisToolLineIntersect::RefreshGeometry()
                 }
                 else
                 {
-                    const VPointF *forth = data->GeometricObject<const VPointF *>(line2P2Id);
+                    const VPointF *forth = Visualization::data->GeometricObject<const VPointF *>(line2P2Id);
                     DrawPoint(line2P2, forth->toQPointF(), supportColor);
 
                     DrawLine(this, QLineF(third->toQPointF(), forth->toQPointF()), supportColor);

src/app/visualization/vistoolnormal.cpp

@@ -53,12 +53,12 @@ void VisToolNormal::RefreshGeometry()
 {
     if (point1Id > 0)
     {
-        const VPointF *first = data->GeometricObject<const VPointF *>(point1Id);
+        const VPointF *first = Visualization::data->GeometricObject<const VPointF *>(point1Id);
         DrawPoint(lineP1, first->toQPointF(), supportColor);
 
         if (point2Id <= 0)
         {
-            QLineF line_mouse(first->toQPointF(), scenePos);
+            QLineF line_mouse(first->toQPointF(), Visualization::scenePos);
             DrawLine(line, line_mouse, supportColor);
 
             QLineF normal = line_mouse.normalVector();
@@ -67,7 +67,7 @@ void VisToolNormal::RefreshGeometry()
         }
         else
         {
-            const VPointF *second = data->GeometricObject<const VPointF *>(point2Id);
+            const VPointF *second = Visualization::data->GeometricObject<const VPointF *>(point2Id);
             DrawPoint(lineP2, second->toQPointF(), supportColor);
 
             QLineF line_mouse(first->toQPointF(), second->toQPointF());

src/app/visualization/vistoolpointofcontact.cpp

@@ -52,16 +52,16 @@ void VisToolPointOfContact::RefreshGeometry()
 {
     if (point1Id > 0)
     {
-        const VPointF *first = data->GeometricObject<const VPointF *>(point1Id);
+        const VPointF *first = Visualization::data->GeometricObject<const VPointF *>(point1Id);
         DrawPoint(lineP1, first->toQPointF(), supportColor);
 
         if (lineP2Id <= 0)
         {
-            DrawLine(this, QLineF(first->toQPointF(), scenePos), supportColor);
+            DrawLine(this, QLineF(first->toQPointF(), Visualization::scenePos), supportColor);
         }
         else
         {
-            const VPointF *second = data->GeometricObject<const VPointF *>(lineP2Id);
+            const VPointF *second = Visualization::data->GeometricObject<const VPointF *>(lineP2Id);
             DrawPoint(lineP2, second->toQPointF(), supportColor);
             DrawLine(this, QLineF(first->toQPointF(), second->toQPointF()), supportColor);
 
@@ -71,7 +71,7 @@ void VisToolPointOfContact::RefreshGeometry()
             }
             else
             {
-                const VPointF *third = data->GeometricObject<const VPointF *>(radiusId);
+                const VPointF *third = Visualization::data->GeometricObject<const VPointF *>(radiusId);
                 DrawPoint(arc_point, third->toQPointF(), supportColor);
 
                 if (qFuzzyCompare(1 + radius, 1 + 0) == false)

src/app/visualization/vistoolpointofintersection.cpp

@@ -50,7 +50,7 @@ void VisToolPointOfIntersection::RefreshGeometry()
 {
     if (point1Id > 0)
     {
-        const VPointF *first = data->GeometricObject<const VPointF *>(point1Id);
+        const VPointF *first = Visualization::data->GeometricObject<const VPointF *>(point1Id);
         DrawPoint(axisP1, first->toQPointF(), supportColor);
 
         QLineF axisL1 = Axis(first->toQPointF(), 90);
@@ -59,11 +59,11 @@ void VisToolPointOfIntersection::RefreshGeometry()
         QLineF axisL2;
         if (point2Id <= 0)
         {
-            axisL2 = Axis(scenePos, 180);
+            axisL2 = Axis(Visualization::scenePos, 180);
         }
         else
         {
-            const VPointF *second = data->GeometricObject<const VPointF *>(point2Id);
+            const VPointF *second = Visualization::data->GeometricObject<const VPointF *>(point2Id);
             DrawPoint(axisP2, second->toQPointF(), supportColor);
             axisL2 = Axis(second->toQPointF(), 180);
             ShowIntersection(axisL1, axisL2);

src/app/visualization/vistoolshoulderpoint.cpp

@@ -55,27 +55,27 @@ void VisToolShoulderPoint::RefreshGeometry()
 {
     if (point1Id > 0)
     {
-        const VPointF *first = data->GeometricObject<const VPointF *>(point1Id);
+        const VPointF *first = Visualization::data->GeometricObject<const VPointF *>(point1Id);
         DrawPoint(line1P1, first->toQPointF(), supportColor);
 
         if (lineP1Id <= 0)
         {
-            DrawLine(line1, QLineF(first->toQPointF(), scenePos), supportColor);
+            DrawLine(line1, QLineF(first->toQPointF(), Visualization::scenePos), supportColor);
         }
         else
         {
-            const VPointF *second = data->GeometricObject<const VPointF *>(lineP1Id);
+            const VPointF *second = Visualization::data->GeometricObject<const VPointF *>(lineP1Id);
             DrawPoint(line1P2, second->toQPointF(), supportColor);
 
             DrawLine(line1, QLineF(first->toQPointF(), second->toQPointF()), supportColor);
 
             if (lineP2Id <= 0)
             {
-                DrawLine(line2, QLineF(second->toQPointF(), scenePos), supportColor);
+                DrawLine(line2, QLineF(second->toQPointF(), Visualization::scenePos), supportColor);
             }
             else
             {
-                const VPointF *third = data->GeometricObject<const VPointF *>(lineP2Id);
+                const VPointF *third = Visualization::data->GeometricObject<const VPointF *>(lineP2Id);
                 DrawPoint(line2P2, third->toQPointF(), supportColor);
 
                 DrawLine(line2, QLineF(second->toQPointF(), third->toQPointF()), supportColor);

src/app/visualization/vistooltriangle.cpp

@@ -30,7 +30,7 @@
 #include "../geometry/vpointf.h"
 #include "../container/vcontainer.h"
 #include "../tools/drawTools/vtooltriangle.h"
-#include "QtMath"
+#include <QtMath>
 
 //---------------------------------------------------------------------------------------------------------------------
 VisToolTriangle::VisToolTriangle(const VContainer *data, QGraphicsItem *parent)
@@ -57,16 +57,16 @@ void VisToolTriangle::RefreshGeometry()
 {
     if (point1Id > 0)
     {
-        const VPointF *first = data->GeometricObject<const VPointF *>(point1Id);
+        const VPointF *first = Visualization::data->GeometricObject<const VPointF *>(point1Id);
         DrawPoint(axisP1, first->toQPointF(), supportColor);
 
         if (point2Id <= 0)
         {
-            DrawAimedAxis(axis, QLineF(first->toQPointF(), scenePos), supportColor);
+            DrawAimedAxis(axis, QLineF(first->toQPointF(), Visualization::scenePos), supportColor);
         }
         else
         {
-            const VPointF *second = data->GeometricObject<const VPointF *>(point2Id);
+            const VPointF *second = Visualization::data->GeometricObject<const VPointF *>(point2Id);
             DrawPoint(axisP2, second->toQPointF(), supportColor);
 
             DrawAimedAxis(axis, QLineF(first->toQPointF(), second->toQPointF()), supportColor);
@@ -77,23 +77,23 @@ void VisToolTriangle::RefreshGeometry()
             }
             else
             {
-                const VPointF *third = data->GeometricObject<const VPointF *>(hypotenuseP1Id);
+                const VPointF *third = Visualization::data->GeometricObject<const VPointF *>(hypotenuseP1Id);
                 DrawPoint(hypotenuseP1, third->toQPointF(), supportColor);
 
                 if (hypotenuseP2Id <= 0)
                 {
-                    DrawLine(this, QLineF(third->toQPointF(), scenePos), supportColor, Qt::DashLine);
+                    DrawLine(this, QLineF(third->toQPointF(), Visualization::scenePos), supportColor, Qt::DashLine);
 
                     QPointF trPoint = VToolTriangle::FindPoint(first->toQPointF(), second->toQPointF(),
-                                                               third->toQPointF(), scenePos);
+                                                               third->toQPointF(), Visualization::scenePos);
                     DrawPoint(point, trPoint, mainColor);
 
                     DrawLine(foot1, QLineF(third->toQPointF(), trPoint), supportColor, Qt::DashLine);
-                    DrawLine(foot2, QLineF(scenePos, trPoint), supportColor, Qt::DashLine);
+                    DrawLine(foot2, QLineF(Visualization::scenePos, trPoint), supportColor, Qt::DashLine);
                 }
                 else
                 {
-                    const VPointF *forth = data->GeometricObject<const VPointF *>(hypotenuseP2Id);
+                    const VPointF *forth = Visualization::data->GeometricObject<const VPointF *>(hypotenuseP2Id);
                     DrawPoint(hypotenuseP2, forth->toQPointF(), supportColor);
 
                     DrawLine(this, QLineF(third->toQPointF(), forth->toQPointF()), supportColor, Qt::DashLine);

src/app/visualization/visualization.cpp

@@ -0,0 +1,97 @@
+/************************************************************************
+ **
+ **  @file   visualization.cpp
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   15 8, 2014
+ **
+ **  @brief
+ **  @copyright
+ **  This source code is part of the Valentine project, a pattern making
+ **  program, whose allow create and modeling patterns of clothing.
+ **  Copyright (C) 2014 Valentina project
+ **  <https://bitbucket.org/dismine/valentina> All Rights Reserved.
+ **
+ **  Valentina is free software: you can redistribute it and/or modify
+ **  it under the terms of the GNU General Public License as published by
+ **  the Free Software Foundation, either version 3 of the License, or
+ **  (at your option) any later version.
+ **
+ **  Valentina is distributed in the hope that it will be useful,
+ **  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ **  GNU General Public License for more details.
+ **
+ **  You should have received a copy of the GNU General Public License
+ **  along with Valentina.  If not, see <http://www.gnu.org/licenses/>.
+ **
+ *************************************************************************/
+
+#include "visualization.h"
+#include "../tools/drawTools/vdrawtool.h"
+
+//---------------------------------------------------------------------------------------------------------------------
+Visualization::Visualization(const VContainer *data)
+    :QObject(), data(data), factor(VDrawTool::factor), scenePos(QPointF()),
+      mainColor(Qt::red), supportColor(Qt::magenta), lineStyle(Qt::SolidLine), point1Id(0), toolTip(QString())
+{}
+
+//---------------------------------------------------------------------------------------------------------------------
+Visualization::~Visualization()
+{}
+
+//---------------------------------------------------------------------------------------------------------------------
+void Visualization::setPoint1Id(const quint32 &value)
+{
+    point1Id = value;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void Visualization::setLineStyle(const Qt::PenStyle &value)
+{
+    lineStyle = value;
+    InitPen();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void Visualization::setScenePos(const QPointF &value)
+{
+    scenePos = value;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void Visualization::VisualMode(const quint32 &pointId)
+{
+    VMainGraphicsScene *scene = qApp->getCurrentScene();
+    SCASSERT(scene != nullptr);
+
+    this->point1Id = pointId;
+    this->scenePos = scene->getScenePos();
+    RefreshGeometry();
+
+    AddOnScene();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void Visualization::setMainColor(const QColor &value)
+{
+    mainColor = value;
+    InitPen();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void Visualization::SetFactor(qreal factor)
+{
+    VApplication::CheckFactor(this->factor, factor);
+    RefreshGeometry();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void Visualization::MousePos(const QPointF &scenePos)
+{
+    this->scenePos = scenePos;
+    RefreshGeometry();
+    if (toolTip.isEmpty() == false)
+    {
+        emit ToolTip(toolTip);
+    }
+}

src/app/visualization/visualization.h

@@ -0,0 +1,85 @@
+/************************************************************************
+ **
+ **  @file   visualization.h
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   15 8, 2014
+ **
+ **  @brief
+ **  @copyright
+ **  This source code is part of the Valentine project, a pattern making
+ **  program, whose allow create and modeling patterns of clothing.
+ **  Copyright (C) 2014 Valentina project
+ **  <https://bitbucket.org/dismine/valentina> All Rights Reserved.
+ **
+ **  Valentina is free software: you can redistribute it and/or modify
+ **  it under the terms of the GNU General Public License as published by
+ **  the Free Software Foundation, either version 3 of the License, or
+ **  (at your option) any later version.
+ **
+ **  Valentina is distributed in the hope that it will be useful,
+ **  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ **  GNU General Public License for more details.
+ **
+ **  You should have received a copy of the GNU General Public License
+ **  along with Valentina.  If not, see <http://www.gnu.org/licenses/>.
+ **
+ *************************************************************************/
+
+#ifndef VISUALIZATION_H
+#define VISUALIZATION_H
+
+#include <QObject>
+#include "../widgets/vapplication.h"
+#include "../widgets/vmaingraphicsscene.h"
+
+class VContainer;
+
+class Visualization : public QObject
+{
+    Q_OBJECT
+public:
+    Visualization(const VContainer *data);
+    virtual ~Visualization();
+
+    virtual void RefreshGeometry()=0;
+
+    void         setPoint1Id(const quint32 &value);
+    void         setLineStyle(const Qt::PenStyle &value);
+    void         setScenePos(const QPointF &value);
+    void         VisualMode(const quint32 &pointId);
+    void         setMainColor(const QColor &value);
+signals:
+    void         ToolTip(const QString &toolTip);
+public slots:
+    void         SetFactor(qreal factor);
+    void         MousePos(const QPointF &scenePos);
+protected:
+    const VContainer *data;
+    qreal            factor;
+    QPointF          scenePos;
+    QColor           mainColor;
+    QColor           supportColor;
+    Qt::PenStyle     lineStyle;
+    quint32          point1Id;
+    QString          toolTip;
+
+    virtual void InitPen()=0;
+    virtual void AddOnScene()=0;
+
+    template <typename Item>
+    void         AddItem(Item *item)
+    {
+        SCASSERT(item != nullptr);
+        VMainGraphicsScene *scene = qApp->getCurrentScene();
+        SCASSERT(scene != nullptr);
+
+        scene->addItem(item);
+        connect(scene, &VMainGraphicsScene::NewFactor, item, &Visualization::SetFactor);
+        connect(scene, &VMainGraphicsScene::mouseMove, item, &Visualization::MousePos);
+    }
+private:
+    Q_DISABLE_COPY(Visualization)
+};
+
+#endif // VISUALIZATION_H

src/app/visualization/visualization.pri

@@ -14,7 +14,8 @@ HEADERS += \
     visualization/vistoolpointofintersection.h \
     visualization/vistooltriangle.h \
     visualization/vistoolpointofcontact.h \
-    visualization/vistoollineintersect.h
+    visualization/vistoollineintersect.h \
+    visualization/visualization.h
 
 SOURCES += \
     visualization/vgraphicssimpletextitem.cpp \
@@ -32,4 +33,5 @@ SOURCES += \
     visualization/vistoolpointofintersection.cpp \
     visualization/vistooltriangle.cpp \
     visualization/vistoolpointofcontact.cpp \
-    visualization/vistoollineintersect.cpp
+    visualization/vistoollineintersect.cpp \
+    visualization/visualization.cpp