Cut arc tool.

--HG--
branch : feature

Valentina.pro

@@ -71,7 +71,7 @@ CONFIG(debug, debug|release){
                           -isystem "/usr/include/qt5/QtXml" -isystem "/usr/include/qt5/QtGui" \
                           -isystem "/usr/include/qt5/QtCore" -isystem "$${UI_DIR}" -isystem "$${MOC_DIR}" \
                           -isystem "$${RCC_DIR}" \
-                          -Og -Wall -Wextra -pedantic -Weffc++ -Woverloaded-virtual -Wctor-dtor-privacy \
+                          -O0 -Wall -Wextra -pedantic -Weffc++ -Woverloaded-virtual -Wctor-dtor-privacy \
                           -Wnon-virtual-dtor -Wold-style-cast -Wconversion -Winit-self \
                           -Wunreachable-code -Wcast-align -Wcast-qual -Wdisabled-optimization -Wfloat-equal \
                           -Wformat  -Wformat=2 -Wformat-nonliteral -Wformat-security -Wformat-y2k \

share/resources/cursor.qrc

@@ -18,5 +18,6 @@
         <file>cursor/spline_cut_point_cursor.png</file>
         <file>cursor/splinepath_cut_point_cursor.png</file>
         <file>cursor/union_cursor.png</file>
+        <file>cursor/arc_cut_cursor.png</file>
     </qresource>
 </RCC>

share/resources/icon.qrc

@@ -40,5 +40,6 @@
         <file>icon/32x32/spline_cut_point.png</file>
         <file>icon/32x32/splinePath_cut_point.png</file>
         <file>icon/32x32/union.png</file>
+        <file>icon/32x32/arc_cut.png</file>
     </qresource>
 </RCC>

src/container/vcontainer.cpp

@@ -609,13 +609,8 @@ void VContainer::AddLengthSpline(const QString &name, const qreal &value)
 void VContainer::AddLengthArc(const qint64 &id)
 {
     const VArc * arc = GeometricObject<const VArc *>(id);
-    AddLengthArc(arc->name(), toMM(arc->GetLength()));
+    QString name = QString("%1_%2").arg(arc->name()).arg(id);
-}
+    lengthArcs[name] = toMM(arc->GetLength());
-
-void VContainer::AddLengthArc(const QString &name, const qreal &value)
-{
-    Q_ASSERT(name.isEmpty() == false);
-    lengthArcs[name] = value;
 }
 
 void VContainer::AddLineAngle(const QString &name, const qreal &value)

src/container/vcontainer.h

@@ -185,12 +185,6 @@ public:
      * @param id id of arc
      */
     void                AddLengthArc(const qint64 &id);
-    /**
-     * @brief AddLengthArc add length of arc
-     * @param name name of arc
-     * @param value length of arc
-     */
-    void                AddLengthArc(const QString &name, const qreal &value);
     /**
      * @brief AddLineAngle add angle of line to container
      * @param name name of line angle

src/dialogs/dialogcutarc.cpp

@@ -0,0 +1,114 @@
+/************************************************************************
+ **
+ **  @file   dialogcutarc.cpp
+ **  @author Roman Telezhinsky <dismine@gmail.com>
+ **  @date   7 1, 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) 2013 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 "dialogcutarc.h"
+#include "ui_dialogcutarc.h"
+
+DialogCutArc::DialogCutArc(const VContainer *data, QWidget *parent) :
+    DialogTool(data, parent), ui(new Ui::DialogCutArc), pointName(QString()), formula(QString()), arcId(0)
+{
+    ui->setupUi(this);
+    listWidget = ui->listWidget;
+    labelResultCalculation = ui->labelResultCalculation;
+    labelDescription = ui->labelDescription;
+    radioButtonSizeGrowth = ui->radioButtonSizeGrowth;
+    radioButtonStandartTable = ui->radioButtonStandartTable;
+    radioButtonIncrements = ui->radioButtonIncrements;
+    radioButtonLengthLine = ui->radioButtonLengthLine;
+    radioButtonLengthArc = ui->radioButtonLengthArc;
+    radioButtonLengthCurve = ui->radioButtonLengthSpline;
+    lineEditFormula = ui->lineEditFormula;
+    labelEditFormula = ui->labelEditFormula;
+    labelEditNamePoint = ui->labelEditNamePoint;
+    flagFormula = false;
+    bOk = ui->buttonBox->button(QDialogButtonBox::Ok);
+    connect(bOk, &QPushButton::clicked, this, &DialogCutArc::DialogAccepted);
+    flagName = false;
+    CheckState();
+    QPushButton *bCansel = ui->buttonBox->button(QDialogButtonBox::Cancel);
+    connect(bCansel, &QPushButton::clicked, this, &DialogCutArc::DialogRejected);
+
+    FillComboBoxArcs(ui->comboBoxArc);
+
+    connect(ui->toolButtonPutHere, &QPushButton::clicked, this, &DialogCutArc::PutHere);
+    connect(ui->listWidget, &QListWidget::itemDoubleClicked, this, &DialogCutArc::PutVal);
+    connect(ui->listWidget, &QListWidget::currentRowChanged, this, &DialogCutArc::ValChenged);
+
+    ShowVariable(data->DataBase());
+    connect(ui->radioButtonSizeGrowth, &QRadioButton::clicked, this, &DialogCutArc::SizeGrowth);
+    connect(ui->radioButtonStandartTable, &QRadioButton::clicked, this, &DialogCutArc::StandartTable);
+    connect(ui->radioButtonIncrements, &QRadioButton::clicked, this, &DialogCutArc::Increments);
+    connect(ui->radioButtonLengthLine, &QRadioButton::clicked, this, &DialogCutArc::LengthLines);
+    connect(ui->radioButtonLengthArc, &QRadioButton::clicked, this, &DialogCutArc::LengthArcs);
+    connect(ui->radioButtonLengthSpline, &QRadioButton::clicked, this, &DialogCutArc::LengthCurves);
+    connect(ui->toolButtonEqual, &QPushButton::clicked, this, &DialogCutArc::EvalFormula);
+    connect(ui->lineEditNamePoint, &QLineEdit::textChanged, this, &DialogCutArc::NamePointChanged);
+    connect(ui->lineEditFormula, &QLineEdit::textChanged, this, &DialogCutArc::FormulaChanged);
+}
+
+DialogCutArc::~DialogCutArc()
+{
+    delete ui;
+}
+
+void DialogCutArc::ChoosedObject(qint64 id, const Scene::Scenes &type)
+{
+    if (type == Scene::Arc)
+    {
+        const VArc *arc = data->GeometricObject<const VArc *>(id);
+        ChangeCurrentText(ui->comboBoxArc, arc->name());
+        emit ToolTip("");
+        this->show();
+    }
+}
+
+void DialogCutArc::DialogAccepted()
+{
+    pointName = ui->lineEditNamePoint->text();
+    formula = ui->lineEditFormula->text();
+    arcId = getCurrentObjectId(ui->comboBoxArc);
+    emit DialogClosed(QDialog::Accepted);
+}
+
+void DialogCutArc::setArcId(const qint64 &value, const qint64 &id)
+{
+    setCurrentArcId(ui->comboBoxArc, arcId, value, id, ComboMode::CutArc);
+}
+
+void DialogCutArc::setFormula(const QString &value)
+{
+    formula = value;
+    ui->lineEditFormula->setText(formula);
+}
+
+void DialogCutArc::setPointName(const QString &value)
+{
+    pointName = value;
+    ui->lineEditNamePoint->setText(pointName);
+}
+

src/dialogs/dialogcutarc.h

@@ -0,0 +1,69 @@
+/************************************************************************
+ **
+ **  @file   dialogcutarc.h
+ **  @author Roman Telezhinsky <dismine@gmail.com>
+ **  @date   7 1, 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) 2013 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 DIALOGCUTARC_H
+#define DIALOGCUTARC_H
+
+#include "dialogtool.h"
+
+namespace Ui {
+class DialogCutArc;
+}
+
+class DialogCutArc : public DialogTool
+{
+    Q_OBJECT
+public:
+    DialogCutArc(const VContainer *data, QWidget *parent = 0);
+    ~DialogCutArc();
+    QString           getPointName() const {return pointName;}
+    void              setPointName(const QString &value);
+    QString           getFormula() const {return formula;}
+    void              setFormula(const QString &value);
+    qint64            getArcId() const {return arcId;}
+    void              setArcId(const qint64 &value, const qint64 &id);
+public slots:
+    /**
+     * @brief ChoosedObject gets id and type of selected object. Save right data and ignore wrong.
+     * @param id id of point or detail
+     * @param type type of object
+     */
+    virtual void      ChoosedObject(qint64 id, const Scene::Scenes &type);
+    /**
+     * @brief DialogAccepted save data and emit signal about closed dialog.
+     */
+    virtual void      DialogAccepted();
+private:
+    Q_DISABLE_COPY(DialogCutArc)
+    Ui::DialogCutArc  *ui;
+    QString           pointName;
+    QString           formula;
+    qint64            arcId;
+};
+
+#endif // DIALOGCUTARC_H

src/dialogs/dialogcutarc.ui

@@ -0,0 +1,360 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DialogCutArc</class>
+ <widget class="QDialog" name="DialogCutArc">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>507</width>
+    <height>375</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QLabel" name="labelEditFormula">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="palette">
+        <palette>
+         <active>
+          <colorrole role="WindowText">
+           <brush brushstyle="SolidPattern">
+            <color alpha="255">
+             <red>255</red>
+             <green>0</green>
+             <blue>0</blue>
+            </color>
+           </brush>
+          </colorrole>
+         </active>
+         <inactive>
+          <colorrole role="WindowText">
+           <brush brushstyle="SolidPattern">
+            <color alpha="255">
+             <red>255</red>
+             <green>0</green>
+             <blue>0</blue>
+            </color>
+           </brush>
+          </colorrole>
+         </inactive>
+         <disabled>
+          <colorrole role="WindowText">
+           <brush brushstyle="SolidPattern">
+            <color alpha="255">
+             <red>159</red>
+             <green>158</green>
+             <blue>158</blue>
+            </color>
+           </brush>
+          </colorrole>
+         </disabled>
+        </palette>
+       </property>
+       <property name="text">
+        <string>Length</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLineEdit" name="lineEditFormula">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="toolTip">
+        <string>Formula for the calculation of the spline</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="toolButtonPutHere">
+       <property name="text">
+        <string>...</string>
+       </property>
+       <property name="icon">
+        <iconset resource="../../share/resources/icon.qrc">
+         <normaloff>:/icon/24x24/putHere.png</normaloff>:/icon/24x24/putHere.png</iconset>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>24</width>
+         <height>24</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="toolButtonEqual">
+       <property name="toolTip">
+        <string>Calculate value</string>
+       </property>
+       <property name="text">
+        <string>...</string>
+       </property>
+       <property name="icon">
+        <iconset resource="../../share/resources/icon.qrc">
+         <normaloff>:/icon/24x24/equal.png</normaloff>:/icon/24x24/equal.png</iconset>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>24</width>
+         <height>24</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="labelResultCalculation">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>87</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="toolTip">
+        <string>Value of length</string>
+       </property>
+       <property name="text">
+        <string>_</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <layout class="QVBoxLayout" name="verticalLayout_2">
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout_3">
+         <item>
+          <widget class="QLabel" name="label_3">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="text">
+            <string>Arc</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QComboBox" name="comboBoxArc">
+           <property name="toolTip">
+            <string>Selected curve</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout_4">
+         <item>
+          <widget class="QLabel" name="labelEditNamePoint">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="palette">
+            <palette>
+             <active>
+              <colorrole role="WindowText">
+               <brush brushstyle="SolidPattern">
+                <color alpha="255">
+                 <red>255</red>
+                 <green>0</green>
+                 <blue>0</blue>
+                </color>
+               </brush>
+              </colorrole>
+             </active>
+             <inactive>
+              <colorrole role="WindowText">
+               <brush brushstyle="SolidPattern">
+                <color alpha="255">
+                 <red>255</red>
+                 <green>0</green>
+                 <blue>0</blue>
+                </color>
+               </brush>
+              </colorrole>
+             </inactive>
+             <disabled>
+              <colorrole role="WindowText">
+               <brush brushstyle="SolidPattern">
+                <color alpha="255">
+                 <red>159</red>
+                 <green>158</green>
+                 <blue>158</blue>
+                </color>
+               </brush>
+              </colorrole>
+             </disabled>
+            </palette>
+           </property>
+           <property name="text">
+            <string>Point label</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLineEdit" name="lineEditNamePoint"/>
+         </item>
+        </layout>
+       </item>
+       <item>
+        <layout class="QVBoxLayout" name="verticalLayout_3">
+         <item>
+          <widget class="QLabel" name="label_2">
+           <property name="text">
+            <string>Input data</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QRadioButton" name="radioButtonSizeGrowth">
+           <property name="text">
+            <string>Size and height</string>
+           </property>
+           <property name="checked">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QRadioButton" name="radioButtonStandartTable">
+           <property name="text">
+            <string>Standard table</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QRadioButton" name="radioButtonIncrements">
+           <property name="text">
+            <string>Increments</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QRadioButton" name="radioButtonLengthLine">
+           <property name="enabled">
+            <bool>true</bool>
+           </property>
+           <property name="text">
+            <string>Length of lines</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QRadioButton" name="radioButtonLengthArc">
+           <property name="enabled">
+            <bool>true</bool>
+           </property>
+           <property name="text">
+            <string>Length of arcs</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QRadioButton" name="radioButtonLengthSpline">
+           <property name="enabled">
+            <bool>true</bool>
+           </property>
+           <property name="text">
+            <string>Length of curves</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <widget class="QListWidget" name="listWidget">
+       <property name="toolTip">
+        <string>Variables - Click twice to insert into formula</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QLabel" name="labelDescription">
+     <property name="text">
+      <string/>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="../../share/resources/icon.qrc"/>
+ </resources>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>DialogCutArc</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>DialogCutArc</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

src/dialogs/dialoghistory.cpp

@@ -34,6 +34,7 @@
 #include "../tools/vabstracttool.h"
 #include "../tools/drawTools/vtoolcutspline.h"
 #include "../tools/drawTools/vtoolcutsplinepath.h"
+#include "../tools/drawTools/vtoolcutarc.h"
 #include <QDebug>
 #include <QPushButton>
 
@@ -363,6 +364,20 @@ QString DialogHistory::Record(const VToolRecord &tool)
                                                                                 firstPointIdName, secondPointIdName);
             break;
         }
+        case Tool::CutArcTool:
+        {
+            qint64 arcId = 0;
+            domElement = doc->elementById(QString().setNum(tool.getId()));
+            if (domElement.isElement())
+            {
+                arcId = doc->GetParametrLongLong(domElement, VToolCutArc::AttrArc, "0");
+            }
+            const VArc *arc = data->GeometricObject<const VArc *>(arcId);
+            QString arcCenterName = data->GeometricObject<const VArc *>(arc->GetCenter().id())->name();
+            QString toolIdName = data->GeometricObject<const VPointF *>(tool.getId())->name();
+            record = QString(tr("%1 - cut arc with center %2")).arg(toolIdName, arcCenterName);
+        }
+        break;
         case Tool::CutSplineTool:
         {
             qint64 splineId = 0;

src/dialogs/dialogs.pri

@@ -21,7 +21,8 @@ HEADERS += \
     src/dialogs/dialogalongline.h \
     src/dialogs/dialogcutspline.h \
     src/dialogs/dialogcutsplinepath.h \
-    src/dialogs/dialoguniondetails.h
+    src/dialogs/dialoguniondetails.h \
+    src/dialogs/dialogcutarc.h
 
 SOURCES += \
     src/dialogs/dialogtriangle.cpp \
@@ -45,7 +46,8 @@ SOURCES += \
     src/dialogs/dialogalongline.cpp \
     src/dialogs/dialogcutspline.cpp \
     src/dialogs/dialogcutsplinepath.cpp \
-    src/dialogs/dialoguniondetails.cpp
+    src/dialogs/dialoguniondetails.cpp \
+    src/dialogs/dialogcutarc.cpp
 
 FORMS += \
     src/dialogs/dialogtriangle.ui \
@@ -68,4 +70,5 @@ FORMS += \
     src/dialogs/dialogalongline.ui \
     src/dialogs/dialogcutspline.ui \
     src/dialogs/dialogcutsplinepath.ui \
-    src/dialogs/dialoguniondetails.ui
+    src/dialogs/dialoguniondetails.ui \
+    src/dialogs/dialogcutarc.ui

src/dialogs/dialogtool.cpp

@@ -85,6 +85,43 @@ void DialogTool::FillComboBoxPoints(QComboBox *box, const qint64 &id) const
     FillList(box, list);
 }
 
+void DialogTool::FillComboBoxArcs(QComboBox *box, const qint64 &id, ComboMode::ComboBoxCutArc cut) const
+{
+    Q_ASSERT(box != 0);
+    const QHash<qint64, VGObject *> *objs = data->DataGObjects();
+    QHashIterator<qint64, VGObject*> i(*objs);
+    QMap<QString, qint64> list;
+    while (i.hasNext())
+    {
+        i.next();
+        if (cut == ComboMode::CutArc)
+        {
+            if (i.key() != id + 1 && i.key() != id + 2)
+            {
+                VGObject *obj = i.value();
+                if (obj->getType() == GObject::Arc && obj->getMode() == Draw::Calculation)
+                {
+                    const VArc *arc = data->GeometricObject<const VArc *>(i.key());
+                    list[arc->name()] = i.key();
+                }
+            }
+        }
+        else
+        {
+            if (i.key() != id)
+            {
+                VGObject *obj = i.value();
+                if (obj->getType() == GObject::Arc && obj->getMode() == Draw::Calculation)
+                {
+                    const VArc *arc = data->GeometricObject<const VArc *>(i.key());
+                    list[arc->name()] = i.key();
+                }
+            }
+        }
+    }
+    FillList(box, list);
+}
+
 void DialogTool::FillComboBoxSplines(QComboBox *box, const qint64 &id, ComboMode::ComboBoxCutSpline cut) const
 {
     Q_ASSERT(box != 0);
@@ -301,6 +338,15 @@ void DialogTool::setCurrentSplineId(QComboBox *box, qint64 &splineId, const qint
     ChangeCurrentData(box, value);
 }
 
+void DialogTool::setCurrentArcId(QComboBox *box, qint64 &arcId, const qint64 &value, const qint64 &id,
+                                 ComboMode::ComboBoxCutArc cut) const
+{
+    Q_ASSERT(box != 0);
+    FillComboBoxArcs(box, id, cut);
+    arcId = value;
+    ChangeCurrentData(box, value);
+}
+
 void DialogTool::setCurrentSplinePathId(QComboBox *box, qint64 &splinePathId, const qint64 &value,
                                         const qint64 &id, ComboMode::ComboBoxCutSpline cut) const
 {

src/dialogs/dialogtool.h

@@ -44,8 +44,12 @@ namespace ComboMode
      */
     enum ComboBoxCutSpline { CutSpline, NoCutSpline };
     Q_DECLARE_FLAGS(ComboBoxCutSplines, ComboBoxCutSpline)
+
+    enum ComboBoxCutArc { CutArc, NoCutArc};
+    Q_DECLARE_FLAGS(ComboBoxCutArcs, ComboBoxCutArc)
 }
 Q_DECLARE_OPERATORS_FOR_FLAGS( ComboMode::ComboBoxCutSplines )
+Q_DECLARE_OPERATORS_FOR_FLAGS( ComboMode::ComboBoxCutArcs )
 
 /**
  * @brief The DialogTool class parent for all dialog of tools.
@@ -267,6 +271,8 @@ protected:
      * @param id don't show this id in list
      */
     void             FillComboBoxPoints(QComboBox *box, const qint64 &id = 0)const;
+    void             FillComboBoxArcs(QComboBox *box, const qint64 &id = 0,
+                                      ComboMode::ComboBoxCutArc cut = ComboMode::NoCutArc)const;
     /**
      * @brief FillComboBoxSplines fill comboBox list of splines
      * @param box comboBox
@@ -353,6 +359,8 @@ protected:
      */
     void             setCurrentSplineId(QComboBox *box, qint64 &splineId, const qint64 &value, const qint64 &id,
                                         ComboMode::ComboBoxCutSpline cut = ComboMode::NoCutSpline) const;
+    void             setCurrentArcId(QComboBox *box, qint64 &arcId, const qint64 &value, const qint64 &id,
+                                        ComboMode::ComboBoxCutArc cut = ComboMode::NoCutArc) const;
     /**
      * @brief setCurrentSplinePathId set current splinePath id in combobox
      * @param box combobox

src/geometry/varc.cpp

@@ -43,7 +43,6 @@ VArc::VArc (VPointF center, qreal radius, QString formulaRadius, qreal f1, QStri
     : VGObject(GObject::Arc, idObject, mode), f1(f1), formulaF1(formulaF1), f2(f2), formulaF2(formulaF2),
       radius(radius), formulaRadius(formulaRadius), center(center)
 {
-     //TODO Change name of arc in formula. Name now not unique.
     _name = QString ("Arc_%1").arg(this->GetCenter().name());
 }
 
@@ -190,3 +189,35 @@ QVector<QPointF> VArc::SplOfArc(qint32 number) const
     }
     return QVector<QPointF>();
 }
+
+QPointF VArc::CutArc(const qreal &length, VArc &arc1, VArc &arc2) const
+{
+    //Always need return two arcs, so we must correct wrong length.
+    qreal len = 0;
+    if (length < this->GetLength()*0.02)
+    {
+        len = this->GetLength()*0.02;
+    }
+    else if ( length > this->GetLength()*0.98)
+    {
+        len = this->GetLength()*0.98;
+    }
+    else
+    {
+        len = length;
+        qDebug()<<len;
+    }
+
+    qreal n = (len*180)/(M_PI*radius);
+    qDebug()<<n;
+    QLineF line(GetCenter().toQPointF(), GetP1());
+    line.setAngle(line.angle()+n);
+    QPointF point = line.p2();
+
+    arc1 = VArc (center, radius, formulaRadius, f1, formulaF1, line.angle(), QString().setNum(line.angle()),
+                 idObject, mode);
+
+    arc2 = VArc (center, radius, formulaRadius, line.angle(), QString().setNum(line.angle()), f2, formulaF2,
+                 idObject, mode);
+    return point;
+}

src/geometry/varc.h

@@ -145,6 +145,7 @@ public:
      */
     QVector<QPointF>   SplOfArc( qint32 number ) const;
     virtual QString    name() const{return _name;}
+    QPointF            CutArc (const qreal &length, VArc &arc1, VArc &arc2) const;
 private:
     /**
      * @brief f1 початковий кут в градусах

src/mainwindow.cpp

@@ -58,7 +58,7 @@ MainWindow::MainWindow(QWidget *parent)
     dialogTriangle(QSharedPointer<DialogTriangle>()),
     dialogPointOfIntersection(QSharedPointer<DialogPointOfIntersection>()),
     dialogCutSpline(QSharedPointer<DialogCutSpline>()), dialogCutSplinePath (QSharedPointer<DialogCutSplinePath>()),
-    dialogUnionDetails(QSharedPointer<DialogUnionDetails>()),
+    dialogUnionDetails(QSharedPointer<DialogUnionDetails>()), dialogCutArc(QSharedPointer<DialogCutArc>()),
     dialogHistory(0), comboBoxDraws(0), fileName(QString()), changeInFile(false),
     mode(Draw::Calculation), currentDrawIndex(0)
 {
@@ -122,6 +122,7 @@ MainWindow::MainWindow(QWidget *parent)
     connect(ui->toolButtonSplineCutPoint, &QToolButton::clicked, this, &MainWindow::ToolCutSpline);
     connect(ui->toolButtonSplinePathCutPoint, &QToolButton::clicked, this, &MainWindow::ToolCutSplinePath);
     connect(ui->toolButtonUnionDetails, &QToolButton::clicked, this, &MainWindow::ToolUnionDetails);
+    connect(ui->toolButtonArcCutPoint, &QToolButton::clicked, this, &MainWindow::ToolCutArc);
 
     pattern = new VContainer();
 
@@ -522,6 +523,17 @@ void MainWindow::ToolUnionDetails(bool checked)
     disconnect(doc, &VDomDocument::FullUpdateFromFile, dialogUnionDetails.data(), &DialogUnionDetails::UpdateList);
 }
 
+void MainWindow::ToolCutArc(bool checked)
+{
+    SetToolButton(checked, Tool::CutArcTool, ":/cursor/arc_cut_cursor.png",
+                  tr("Select arc"), dialogCutArc, &MainWindow::ClosedDialogCutArc);
+}
+
+void MainWindow::ClosedDialogCutArc(int result)
+{
+    ClosedDialog<VToolCutArc>(dialogCutArc, result);
+}
+
 void MainWindow::ClosedDialogUnionDetails(int result)
 {
     ClosedDialog<VToolUnionDetails>(dialogUnionDetails, result);
@@ -824,6 +836,12 @@ void MainWindow::CanselTool()
             currentScene->setFocus(Qt::OtherFocusReason);
             currentScene->clearSelection();
             break;
+        case Tool::CutArcTool:
+            dialogCutArc.clear();
+            ui->toolButtonArcCutPoint->setChecked(false);
+            currentScene->setFocus(Qt::OtherFocusReason);
+            currentScene->clearSelection();
+            break;
         default:
             qWarning()<<"Got wrong tool type. Ignored.";
             break;
@@ -877,9 +895,9 @@ void MainWindow::ActionDraw(bool checked)
         verScrollBar = view->verticalScrollBar();
         verScrollBar->setValue(currentScene->getVerScrollBar());
 
+        mode = Draw::Calculation;
         comboBoxDraws->setCurrentIndex(currentDrawIndex);//restore current pattern peace
 
-        mode = Draw::Calculation;
         SetEnableTool(true);
         doc->setCurrentData();
         ui->toolBox->setCurrentIndex(0);
@@ -1139,6 +1157,7 @@ void MainWindow::SetEnableTool(bool enable)
     ui->toolButtonPointOfIntersection->setEnabled(drawTools);
     ui->toolButtonSplineCutPoint->setEnabled(drawTools);
     ui->toolButtonSplinePathCutPoint->setEnabled(drawTools);
+    ui->toolButtonArcCutPoint->setEnabled(drawTools);
 
     //Modeling Tools
     ui->toolButtonUnionDetails->setEnabled(modelingTools);

src/mainwindow.h

@@ -234,6 +234,7 @@ public slots:
      */
     void               ToolPointOfIntersection(bool checked);
     void               ToolUnionDetails(bool checked);
+    void               ToolCutArc(bool checked);
     /**
      * @brief ClosedDialogEndLine
      * @param result
@@ -320,6 +321,7 @@ public slots:
      * @param result result of working of dialog
      */
     void               ClosedDialogCutSpline(int result);
+    void               ClosedDialogCutArc(int result);
     /**
      * @brief About
      */
@@ -486,6 +488,7 @@ private:
      * @brief dialogUnionDetails
      */
     QSharedPointer<DialogUnionDetails>        dialogUnionDetails;
+    QSharedPointer<DialogCutArc>              dialogCutArc;
     /**
      * @brief dialogHistory
      */

src/mainwindow.ui

@@ -40,14 +40,14 @@
        <string/>
       </property>
       <property name="currentIndex">
-       <number>4</number>
+       <number>3</number>
       </property>
       <widget class="QWidget" name="page">
        <property name="geometry">
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>144</width>
+         <width>150</width>
          <height>150</height>
         </rect>
        </property>
@@ -302,7 +302,7 @@
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>100</width>
+         <width>150</width>
          <height>58</height>
         </rect>
        </property>
@@ -378,7 +378,7 @@
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>100</width>
+         <width>150</width>
          <height>104</height>
         </rect>
        </property>
@@ -549,6 +549,29 @@
           </property>
          </widget>
         </item>
+        <item row="0" column="1">
+         <widget class="QToolButton" name="toolButtonArcCutPoint">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>...</string>
+          </property>
+          <property name="icon">
+           <iconset resource="../share/resources/icon.qrc">
+            <normaloff>:/icon/32x32/arc_cut.png</normaloff>:/icon/32x32/arc_cut.png</iconset>
+          </property>
+          <property name="iconSize">
+           <size>
+            <width>32</width>
+            <height>32</height>
+           </size>
+          </property>
+          <property name="checkable">
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
        </layout>
       </widget>
       <widget class="QWidget" name="page_5">

src/options.h

@@ -66,6 +66,7 @@ namespace Tool
         LineIntersectTool,
         SplineTool,
         CutSplineTool,
+        CutArcTool,
         ArcTool,
         SplinePathTool,
         CutSplinePathTool,

src/tools/drawTools/drawtools.h

@@ -46,5 +46,6 @@
 #include "vtoolpointofintersection.h"
 #include "vtoolcutspline.h"
 #include "vtoolcutsplinepath.h"
+#include "vtoolcutarc.h"
 
 #endif // DRAWTOOLS_H

src/tools/drawTools/vtoolarc.cpp

@@ -111,17 +111,16 @@ void VToolArc::Create(const qint64 _id, const qint64 &center, const QString &rad
     if (typeCreation == Tool::FromGui)
     {
         id = data->AddGObject(arc);
-        data->AddLengthArc(arc->name(), toMM(arc->GetLength()));
     }
     else
     {
         data->UpdateGObject(id, arc);
-        data->AddLengthArc(arc->name(), toMM(arc->GetLength()));
         if (parse != Document::FullParse)
         {
             doc->UpdateToolData(id, data);
         }
     }
+    data->AddLengthArc(id);
     VDrawTool::AddRecord(id, Tool::ArcTool, doc);
     if (parse == Document::FullParse)
     {

src/tools/drawTools/vtoolcutarc.cpp

@@ -0,0 +1,269 @@
+/************************************************************************
+ **
+ **  @file   vtoolcutarc.cpp
+ **  @author Roman Telezhinsky <dismine@gmail.com>
+ **  @date   7 1, 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) 2013 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 "vtoolcutarc.h"
+#include "../../container/calculator.h"
+
+const QString VToolCutArc::ToolType = QStringLiteral("cutArc");
+const QString VToolCutArc::AttrArc = QStringLiteral("arc");
+
+VToolCutArc::VToolCutArc(VDomDocument *doc, VContainer *data, const qint64 &id, const QString &formula,
+                         const qint64 &arcId, const qint64 &arc1id, const qint64 &arc2id,
+                         const Tool::Sources &typeCreation, QGraphicsItem * parent)
+    :VToolPoint(doc, data, id, parent), formula(formula), arcId(arcId),
+      dialogCutArc(QSharedPointer<DialogCutArc>()), firstArc(), secondArc(), arc1id(arc1id), arc2id(arc2id)
+{
+    Q_ASSERT_X(arcId > 0, Q_FUNC_INFO, "arcId <= 0");
+    Q_ASSERT_X(arc1id > 0, Q_FUNC_INFO, "arc1id <= 0");
+    Q_ASSERT_X(arc2id > 0, Q_FUNC_INFO, "arc2id <= 0");
+
+    firstArc = new VSimpleArc(arc1id, &currentColor, &factor);
+    Q_ASSERT(firstArc != 0);
+    RefreshArc(firstArc, arc1id, SimpleArc::ForthPoint);
+    firstArc->setParentItem(this);
+    connect(firstArc, &VSimpleArc::Choosed, this, &VToolCutArc::ArcChoosed);
+
+    secondArc = new VSimpleArc(arc2id, &currentColor, &factor);
+    Q_ASSERT(secondArc != 0);
+    RefreshArc(secondArc, arc2id, SimpleArc::FirstPoint);
+    secondArc->setParentItem(this);
+    connect(secondArc, &VSimpleArc::Choosed, this, &VToolCutArc::ArcChoosed);
+
+    if (typeCreation == Tool::FromGui)
+    {
+        AddToFile();
+    }
+    else
+    {
+        RefreshDataInFile();
+    }
+}
+
+void VToolCutArc::setDialog()
+{
+    Q_ASSERT(dialogCutArc.isNull() == false);
+    const VPointF *point = VAbstractTool::data.GeometricObject<const VPointF *>(id);
+    dialogCutArc->setFormula(formula);
+    dialogCutArc->setArcId(arcId, id);
+    dialogCutArc->setPointName(point->name());
+}
+
+void VToolCutArc::Create(QSharedPointer<DialogCutArc> &dialog, VMainGraphicsScene *scene, VDomDocument *doc,
+                         VContainer *data)
+{
+    QString pointName = dialog->getPointName();
+    QString formula = dialog->getFormula();
+    qint64 arcId = dialog->getArcId();
+    Create(0, pointName, formula, arcId, 5, 10, scene, doc, data, Document::FullParse, Tool::FromGui);
+}
+
+void VToolCutArc::Create(const qint64 _id, const QString &pointName, const QString &formula, const qint64 &arcId,
+                         const qreal &mx, const qreal &my, VMainGraphicsScene *scene, VDomDocument *doc,
+                         VContainer *data, const Document::Documents &parse, const Tool::Sources &typeCreation)
+{
+    const VArc *arc = data->GeometricObject<const VArc *>(arcId);
+    Calculator cal(data);
+    QString errorMsg;
+    qreal result = cal.eval(formula, &errorMsg);
+    if (errorMsg.isEmpty())
+    {
+        VArc arc1;
+        VArc arc2;
+        QPointF point = arc->CutArc(toPixel(result), arc1, arc2);
+
+        qint64 id = _id;
+        qint64 arc1id = 0;
+        qint64 arc2id = 0;
+        if (typeCreation == Tool::FromGui)
+        {
+            VPointF *p = new VPointF(point.x(), point.y(), pointName, mx, my);
+            Q_ASSERT(p != 0);
+            id = data->AddGObject(p);
+
+            VArc * ar1 = new VArc(arc1);
+            Q_ASSERT(ar1 != 0);
+            arc1id = data->AddGObject(ar1);
+
+            VArc * ar2 = new VArc(arc2);
+            Q_ASSERT(ar2 != 0);
+            arc2id = data->AddGObject(ar2);
+        }
+        else
+        {
+            VPointF *p = new VPointF(point.x(), point.y(), pointName, mx, my);
+            Q_ASSERT(p != 0);
+            data->UpdateGObject(id, p);
+
+            arc1id = id + 1;
+            arc2id = id + 2;
+
+            VArc * ar1 = new VArc(arc1);
+            Q_ASSERT(ar1 != 0);
+            data->UpdateGObject(arc1id, ar1);
+
+            VArc * ar2 = new VArc(arc2);
+            Q_ASSERT(ar2 != 0);
+            data->UpdateGObject(arc2id, ar2);
+
+            if (parse != Document::FullParse)
+            {
+                doc->UpdateToolData(id, data);
+            }
+        }
+        data->AddLengthArc(arc1id);
+        data->AddLengthArc(arc2id);
+
+        VDrawTool::AddRecord(id, Tool::CutArcTool, doc);
+        if (parse == Document::FullParse)
+        {
+            VToolCutArc *point = new VToolCutArc(doc, data, id, formula, arcId, arc1id, arc2id, typeCreation);
+            scene->addItem(point);
+            connect(point, &VToolPoint::ChoosedTool, scene, &VMainGraphicsScene::ChoosedItem);
+            connect(scene, &VMainGraphicsScene::NewFactor, point, &VToolPoint::SetFactor);
+            doc->AddTool(id, point);
+            doc->AddTool(arc1id, point);
+            doc->AddTool(arc2id, point);
+            doc->IncrementReferens(arcId);
+        }
+    }
+}
+
+void VToolCutArc::FullUpdateFromFile()
+{
+    QDomElement domElement = doc->elementById(QString().setNum(id));
+    if (domElement.isElement())
+    {
+        formula = domElement.attribute(AttrLength, "");
+        arcId = domElement.attribute(AttrArc, "").toLongLong();
+    }
+    RefreshGeometry();
+}
+
+void VToolCutArc::FullUpdateFromGui(int result)
+{
+    if (result == QDialog::Accepted)
+    {
+        QDomElement domElement = doc->elementById(QString().setNum(id));
+        if (domElement.isElement())
+        {
+            domElement.setAttribute(AttrName, dialogCutArc->getPointName());
+            domElement.setAttribute(AttrLength, dialogCutArc->getFormula());
+            domElement.setAttribute(AttrArc, QString().setNum(dialogCutArc->getArcId()));
+            emit FullUpdateTree();
+        }
+    }
+    dialogCutArc.clear();
+}
+
+void VToolCutArc::ArcChoosed(qint64 id)
+{
+    emit ChoosedTool(id, Scene::Arc);
+}
+
+void VToolCutArc::ChangedActivDraw(const QString &newName)
+{
+    if (nameActivDraw == newName)
+    {
+        currentColor = Qt::black;
+        firstArc->setFlag(QGraphicsItem::ItemIsSelectable, true);
+        firstArc->setAcceptHoverEvents(true);
+        secondArc->setFlag(QGraphicsItem::ItemIsSelectable, true);
+        secondArc->setAcceptHoverEvents(true);
+    }
+    else
+    {
+        currentColor = Qt::gray;
+        firstArc->setFlag(QGraphicsItem::ItemIsSelectable, false);
+        firstArc->setAcceptHoverEvents(false);
+        secondArc->setFlag(QGraphicsItem::ItemIsSelectable, false);
+        secondArc->setAcceptHoverEvents(false);
+    }
+    firstArc->setPen(QPen(currentColor, widthHairLine/factor));
+    secondArc->setPen(QPen(currentColor, widthHairLine/factor));
+    VToolPoint::ChangedActivDraw(newName);
+}
+
+void VToolCutArc::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
+{
+    ContextMenu(dialogCutArc, this, event);
+}
+
+void VToolCutArc::AddToFile()
+{
+    const VPointF *point = VAbstractTool::data.GeometricObject<const VPointF *>(id);
+    QDomElement domElement = doc->createElement(TagName);
+
+    AddAttribute(domElement, AttrId, id);
+    AddAttribute(domElement, AttrType, ToolType);
+    AddAttribute(domElement, AttrName, point->name());
+    AddAttribute(domElement, AttrMx, toMM(point->mx()));
+    AddAttribute(domElement, AttrMy, toMM(point->my()));
+
+    AddAttribute(domElement, AttrLength, formula);
+    AddAttribute(domElement, AttrArc, arcId);
+
+    AddToCalculation(domElement);
+}
+
+void VToolCutArc::RefreshDataInFile()
+{
+    const VPointF *point = VAbstractTool::data.GeometricObject<const VPointF *>(id);
+    QDomElement domElement = doc->elementById(QString().setNum(id));
+    if (domElement.isElement())
+    {
+        domElement.setAttribute(AttrName, point->name());
+        domElement.setAttribute(AttrMx, toMM(point->mx()));
+        domElement.setAttribute(AttrMy, toMM(point->my()));
+        domElement.setAttribute(AttrLength, formula);
+        domElement.setAttribute(AttrArc, arcId);
+    }
+}
+
+void VToolCutArc::RefreshGeometry()
+{
+    RefreshArc(firstArc, arc1id, SimpleArc::ForthPoint);
+    RefreshArc(secondArc, arc2id, SimpleArc::FirstPoint);
+    VToolPoint::RefreshPointGeometry(*VDrawTool::data.GeometricObject<const VPointF *>(id));
+}
+
+void VToolCutArc::RefreshArc(VSimpleArc *sArc, qint64 arcid, SimpleArc::Translation tr)
+{
+    const VArc *arc = VAbstractTool::data.GeometricObject<const VArc *>(arcid);
+    QPainterPath path;
+    path.addPath(arc->GetPath());
+    path.setFillRule( Qt::WindingFill );
+    if (tr == SimpleArc::FirstPoint)
+    {
+        path.translate(-arc->GetP1().x(), -arc->GetP1().y());
+    }
+    else
+    {
+        path.translate(-arc->GetP2().x(), -arc->GetP2().y());
+    }
+    sArc->setPath(path);
+}

src/tools/drawTools/vtoolcutarc.h

@@ -0,0 +1,122 @@
+/************************************************************************
+ **
+ **  @file   vtoolcutarc.h
+ **  @author Roman Telezhinsky <dismine@gmail.com>
+ **  @date   7 1, 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) 2013 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 VTOOLCUTARC_H
+#define VTOOLCUTARC_H
+
+#include "vtoolpoint.h"
+#include "../../dialogs/dialogcutarc.h"
+#include "../../widgets/vsimplearc.h"
+
+class VToolCutArc : public VToolPoint
+{
+    Q_OBJECT
+public:
+    VToolCutArc(VDomDocument *doc, VContainer *data, const qint64 &id, const QString &formula,
+                const qint64 &arcId, const qint64 &arc1id, const qint64 &arc2id,
+                const Tool::Sources &typeCreation, QGraphicsItem * parent = 0);
+    /**
+     * @brief setDialog
+     */
+    virtual void setDialog();
+    static void  Create(QSharedPointer<DialogCutArc> &dialog, VMainGraphicsScene *scene, VDomDocument *doc,
+                        VContainer *data);
+    static void  Create(const qint64 _id, const QString &pointName, const QString &formula, const qint64 &arcId,
+                        const qreal &mx, const qreal &my, VMainGraphicsScene *scene, VDomDocument *doc,
+                        VContainer *data, const Document::Documents &parse, const Tool::Sources &typeCreation);
+    /**
+     * @brief ToolType
+     */
+    static const QString ToolType;
+    static const QString AttrArc;
+public slots:
+    /**
+     * @brief FullUpdateFromFile
+     */
+    virtual void FullUpdateFromFile();
+    /**
+     * @brief FullUpdateFromGui
+     * @param result
+     */
+    virtual void FullUpdateFromGui(int result);
+    /**
+     * @brief ArcChoosed
+     * @param id
+     */
+    void ArcChoosed(qint64 id);
+    /**
+     * @brief ChangedActivDraw
+     * @param newName
+     */
+    virtual void      ChangedActivDraw(const QString &newName);
+protected:
+    /**
+     * @brief contextMenuEvent
+     * @param event
+     */
+    virtual void contextMenuEvent ( QGraphicsSceneContextMenuEvent * event );
+    /**
+     * @brief AddToFile
+     */
+    virtual void AddToFile();
+    /**
+     * @brief RefreshDataInFile refresh attributes in file. If attributes don't exist create them.
+     */
+    virtual void RefreshDataInFile();
+    /**
+     * @brief RefreshGeometry
+     */
+    void      RefreshGeometry();
+private:
+    Q_DISABLE_COPY(VToolCutArc)
+    /**
+     * @brief formula keep formula of length
+     */
+    QString           formula;
+    /**
+     * @brief arcId keep id of arc
+     */
+    qint64            arcId;
+    /**
+     * @brief DialogCutSpline pointer to the tool's dialog
+     */
+    QSharedPointer<DialogCutArc> dialogCutArc;
+    /**
+     * @brief firstArc
+     */
+    VSimpleArc *firstArc;
+    /**
+     * @brief secondArc
+     */
+    VSimpleArc *secondArc;
+    const qint64 arc1id;
+    const qint64 arc2id;
+    void RefreshArc(VSimpleArc *sArc, qint64 arcid, SimpleArc::Translation tr);
+};
+
+#endif // VTOOLCUTARC_H

src/tools/nodeDetails/vnodepoint.cpp

@@ -65,7 +65,7 @@ void VNodePoint::Create(VDomDocument *doc, VContainer *data, qint64 id, qint64 i
     VAbstractTool::AddRecord(id, Tool::NodePoint, doc);
     if (parse == Document::FullParse)
     {
-        //TODO Need create garbage collector and remove all nodes, that we don't use.
+        //TODO Need create garbage collector and remove all nodes, what we don't use.
         //Better check garbage before each saving file. Check only modeling tags.
         VNodePoint *point = new VNodePoint(doc, data, id, idPoint, typeCreation, idTool, parent);
         Q_ASSERT(point != 0);

src/tools/tools.pri

@@ -30,7 +30,8 @@ HEADERS += \
     src/tools/nodeDetails/nodedetails.h \
     src/tools/drawTools/vtoolcutspline.h \
     src/tools/drawTools/vtoolcutsplinepath.h \
-    src/tools/vtooluniondetails.h
+    src/tools/vtooluniondetails.h \
+    src/tools/drawTools/vtoolcutarc.h
 
 SOURCES += \
     src/tools/vtooldetail.cpp \
@@ -61,4 +62,5 @@ SOURCES += \
     src/tools/nodeDetails/vabstractnode.cpp \
     src/tools/drawTools/vtoolcutspline.cpp \
     src/tools/drawTools/vtoolcutsplinepath.cpp \
-    src/tools/vtooluniondetails.cpp
+    src/tools/vtooluniondetails.cpp \
+    src/tools/drawTools/vtoolcutarc.cpp

src/tools/vtooluniondetails.cpp

@@ -318,6 +318,10 @@ void VToolUnionDetails::UpdatePoints(const qint64 &idDetail, VContainer *data, c
                 Q_ASSERT(path != 0);
                 path->setMode(Draw::Modeling);
                 const VSplinePath *splinePath = data->GeometricObject<const VSplinePath *>(det.at(i).getId());
+                Q_ASSERT(splinePath != 0);
+                qDebug()<<splinePath->Count();
+                qDebug()<<det.at(i).getId();
+                qDebug()<<"Початок циклу.";
                 for (qint32 i = 1; i <= splinePath->Count(); ++i)
                 {
                     VSpline spline(splinePath->at(i-1).P(), splinePath->at(i).P(),
@@ -330,6 +334,7 @@ void VToolUnionDetails::UpdatePoints(const qint64 &idDetail, VContainer *data, c
                                     angle);
                     ++idCount;
                     data->UpdateGObject(idDetail+idCount, p1);
+                    qDebug()<<idDetail+idCount;
 
                     VPointF p2 = VPointF(spline.GetP2());
                     BiasRotatePoint(&p2, dx, dy, data->GeometricObject<const VPointF *>(pRotate)->toQPointF(),
@@ -345,6 +350,7 @@ void VToolUnionDetails::UpdatePoints(const qint64 &idDetail, VContainer *data, c
                                     angle);
                     ++idCount;
                     data->UpdateGObject(idDetail+idCount, p4);
+                    qDebug()<<idDetail+idCount;
 
                     VSpline spl = VSpline(*p1, p2.toQPointF(), p3.toQPointF(), *p4, spline.GetKcurve());
                     if (i==1)
@@ -355,8 +361,10 @@ void VToolUnionDetails::UpdatePoints(const qint64 &idDetail, VContainer *data, c
                         path->append(VSplinePoint(*p4, splinePath->at(i).KAsm1(), spl.GetAngle1(),
                                                   splinePath->at(i).KAsm1()));
                 }
+
                 ++idCount;
                 data->UpdateGObject(idDetail+idCount, path);
+                qDebug()<<idDetail+idCount;
 
                 ++idCount;
             }

src/widgets/vsimplearc.cpp

@@ -0,0 +1,79 @@
+/************************************************************************
+ **
+ **  @file   vsimplearc.cpp
+ **  @author Roman Telezhinsky <dismine@gmail.com>
+ **  @date   7 1, 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) 2013 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 "vsimplearc.h"
+
+VSimpleArc::VSimpleArc(qint64 id, Qt::GlobalColor *currentColor, qreal *factor, QObject *parent)
+:QObject(parent), QGraphicsPathItem(), id (id), factor(factor), currentColor(currentColor)
+{
+    if (factor == 0)
+    {
+        setPen(QPen(Qt::black, widthHairLine));
+    }
+    else
+    {
+        setPen(QPen(Qt::black, widthHairLine/ *factor));
+    }
+    setFlag(QGraphicsItem::ItemIsSelectable, true);
+    setAcceptHoverEvents(true);
+}
+
+void VSimpleArc::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
+{
+    if (event->button() == Qt::LeftButton)
+    {
+        emit Choosed(id);
+    }
+    QGraphicsItem::mouseReleaseEvent(event);
+}
+
+void VSimpleArc::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
+{
+    Q_UNUSED(event);
+    if (factor == 0)
+    {
+        this->setPen(QPen(*currentColor, widthMainLine));
+    }
+    else
+    {
+        this->setPen(QPen(*currentColor, widthMainLine/ *factor));
+    }
+}
+
+void VSimpleArc::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+{
+    Q_UNUSED(event);
+    if (factor == 0)
+    {
+        this->setPen(QPen(*currentColor, widthHairLine));
+    }
+    else
+    {
+        this->setPen(QPen(*currentColor, widthHairLine/ *factor));
+    }
+}

src/widgets/vsimplearc.h

@@ -0,0 +1,87 @@
+/************************************************************************
+ **
+ **  @file   vsimplearc.h
+ **  @author Roman Telezhinsky <dismine@gmail.com>
+ **  @date   7 1, 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) 2013 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 VSIMPLEARC_H
+#define VSIMPLEARC_H
+
+#include <QGraphicsPathItem>
+
+namespace SimpleArc
+{
+    /**
+     * @brief The Translation enum
+     */
+    enum Translation { FirstPoint, ForthPoint };
+    Q_DECLARE_FLAGS(Translations, Translation)
+}
+Q_DECLARE_OPERATORS_FOR_FLAGS( SimpleArc::Translations )
+
+class VSimpleArc : public QObject, public QGraphicsPathItem
+{
+    Q_OBJECT
+public:
+    VSimpleArc(qint64 id, Qt::GlobalColor *currentColor, qreal *factor = 0, QObject *parent = 0);
+signals:
+    /**
+     * @brief Choosed
+     * @param id
+     */
+    void Choosed(qint64 id);
+protected:
+    /**
+     * @brief mouseReleaseEvent
+     * @param event
+     */
+    virtual void    mouseReleaseEvent ( QGraphicsSceneMouseEvent * event );
+    /**
+     * @brief hoverMoveEvent
+     * @param event
+     */
+    virtual void    hoverMoveEvent ( QGraphicsSceneHoverEvent * event );
+    /**
+     * @brief hoverLeaveEvent
+     * @param event
+     */
+    virtual void    hoverLeaveEvent ( QGraphicsSceneHoverEvent * event );
+private:
+    Q_DISABLE_COPY(VSimpleArc)
+    /**
+     * @brief id
+     */
+    qint64          id;
+    /**
+     * @brief factor
+     */
+    qreal           *factor;
+    /**
+     * @brief currentColor
+     */
+    Qt::GlobalColor *currentColor;
+};
+
+#endif // VSIMPLEARC_H

src/widgets/widgets.pri

@@ -8,7 +8,8 @@ HEADERS += \
     src/widgets/vapplication.h \
     src/widgets/doubledelegate.h \
     src/widgets/vsimplespline.h \
-    src/widgets/vsimplesplinepath.h
+    src/widgets/vsimplesplinepath.h \
+    src/widgets/vsimplearc.h
 
 SOURCES += \
     src/widgets/vtablegraphicsview.cpp \
@@ -20,4 +21,5 @@ SOURCES += \
     src/widgets/vapplication.cpp \
     src/widgets/doubledelegate.cpp \
     src/widgets/vsimplespline.cpp \
-    src/widgets/vsimplesplinepath.cpp
+    src/widgets/vsimplesplinepath.cpp \
+    src/widgets/vsimplearc.cpp