Class visualization for VToolHeight.

--HG--
branch : develop

src/app/visualization/vistoolheight.cpp

@@ -0,0 +1,119 @@
+/************************************************************************
+ **
+ **  @file   vistoolheight.cpp
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   13 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 "vistoolheight.h"
+#include "../geometry/vpointf.h"
+#include "../tools/drawTools/vtoolheight.h"
+
+//---------------------------------------------------------------------------------------------------------------------
+VisToolHeight::VisToolHeight(const VContainer *data, QGraphicsItem *parent)
+    : VisLine(data, parent), lineP1Id(0), lineP2Id(0), point(nullptr), base_point(nullptr), lineP1(nullptr),
+      lineP2(nullptr), line(nullptr), line_intersection(nullptr)
+{
+    base_point = InitPoint(supportColor);
+    lineP1 = InitPoint(supportColor);
+    lineP2 = InitPoint(supportColor);
+    line = InitLine(supportColor);
+    line_intersection = InitLine(supportColor);
+
+    point = InitPoint(mainColor);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+VisToolHeight::~VisToolHeight()
+{}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VisToolHeight::RefreshGeometry()
+{
+    if (point1Id > 0)
+    {
+        const VPointF *first = data->GeometricObject<const VPointF *>(point1Id);
+        DrawPoint(base_point, first->toQPointF(), supportColor);
+
+        if (lineP1Id <= 0)
+        {
+            DrawLine(this, QLineF(first->toQPointF(), scenePos), mainColor);
+        }
+        else
+        {
+            const VPointF *second = data->GeometricObject<const VPointF *>(lineP1Id);
+            DrawPoint(lineP1, second->toQPointF(), supportColor);
+
+            QLineF base_line;
+            if (lineP2Id <= 0)
+            {
+                base_line = QLineF(second->toQPointF(), scenePos);
+                DrawLine(line, base_line, supportColor);
+            }
+            else
+            {
+                const VPointF *third = data->GeometricObject<const VPointF *>(lineP2Id);
+                DrawPoint(lineP2, third->toQPointF(), supportColor);
+
+                base_line = QLineF(second->toQPointF(), third->toQPointF());
+            }
+
+            DrawLine(line, base_line, supportColor);
+
+            QPointF height = VToolHeight::FindPoint(base_line, first->toQPointF());
+            QLineF height_line(first->toQPointF(), height);
+            DrawLine(this, height_line, mainColor);
+
+            ShowIntersection(height_line, base_line);
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VisToolHeight::setLineP1Id(const quint32 &value)
+{
+    lineP1Id = value;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VisToolHeight::setLineP2Id(const quint32 &value)
+{
+    lineP2Id = value;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VisToolHeight::ShowIntersection(const QLineF &height_line, const QLineF &base_line)
+{
+    QPointF p;
+    QLineF::IntersectType intersect = height_line.intersect(base_line, &p);
+    if (intersect == QLineF::UnboundedIntersection)
+    {
+        line_intersection->setVisible(true);
+        DrawLine(line_intersection, QLineF(base_line.p1(), height_line.p2()), supportColor, Qt::DashLine);
+    }
+    else if (intersect == QLineF::BoundedIntersection)
+    {
+        line_intersection->setVisible(false);
+    }
+}

src/app/visualization/vistoolheight.h

@@ -0,0 +1,59 @@
+/************************************************************************
+ **
+ **  @file   vistoolheight.h
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   13 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 VISTOOLHEIGHT_H
+#define VISTOOLHEIGHT_H
+
+#include "visline.h"
+
+class VisToolHeight : public VisLine
+{
+    Q_OBJECT
+public:
+    VisToolHeight(const VContainer *data, QGraphicsItem *parent = 0);
+    virtual ~VisToolHeight();
+
+    virtual void RefreshGeometry();
+
+    void         setLineP1Id(const quint32 &value);
+    void         setLineP2Id(const quint32 &value);
+private:
+    Q_DISABLE_COPY(VisToolHeight)
+    //base point in parent class
+    quint32              lineP1Id;//first point of line
+    quint32              lineP2Id;//second point of line
+    QGraphicsEllipseItem *point;
+    QGraphicsEllipseItem *base_point;
+    QGraphicsEllipseItem *lineP1;
+    QGraphicsEllipseItem *lineP2;
+    QGraphicsLineItem    *line;
+    QGraphicsLineItem    *line_intersection;
+    void         ShowIntersection(const QLineF &height_line, const QLineF &base_line);
+};
+
+#endif // VISTOOLHEIGHT_H

src/app/visualization/visualization.pri

@@ -9,7 +9,8 @@ HEADERS += \
     visualization/vistoolalongline.h \
     visualization/vistoolbisector.h \
     visualization/vistoolshoulderpoint.h \
-    visualization/vistoolnormal.h
+    visualization/vistoolnormal.h \
+    visualization/vistoolheight.h
 
 SOURCES += \
     visualization/vgraphicssimpletextitem.cpp \
@@ -22,4 +23,5 @@ SOURCES += \
     visualization/vistoolalongline.cpp \
     visualization/vistoolbisector.cpp \
     visualization/vistoolshoulderpoint.cpp \
-    visualization/vistoolnormal.cpp
+    visualization/vistoolnormal.cpp \
+    visualization/vistoolheight.cpp