Resolved issue #245 New tool "Arc with given length".

--HG--
branch : develop

src/app/dialogs/app/dialoghistory.cpp

@@ -276,6 +276,13 @@ QString DialogHistory::Record(const VToolRecord &tool)
                 SCASSERT(arc != nullptr);
                 return QString(tr("Arc with center in point %1")).arg(PointName(arc->GetCenter().id()));
             }
+            case Tool::ArcWithLength:
+            {
+                const QSharedPointer<VArc> arc = data->GeometricObject<VArc>(tool.getId());
+                SCASSERT(arc != nullptr);
+                return QString(tr("Arc with center in point %1 and length %2")).arg(PointName(arc->GetCenter().id()))
+                        .arg(arc->GetLength());
+            }
             case Tool::SplinePath:
             {
                 const QSharedPointer<VSplinePath> splPath = data->GeometricObject<VSplinePath>(tool.getId());

src/app/dialogs/dialogs.h

@@ -31,6 +31,7 @@
 
 #include "tools/dialogalongline.h"
 #include "tools/dialogarc.h"
+#include "tools/dialogarcwithlength.h"
 #include "tools/dialogbisector.h"
 #include "tools/dialogdetail.h"
 #include "tools/dialogendline.h"

src/app/dialogs/dialogs.pri

@@ -48,7 +48,8 @@ HEADERS += \
     $$PWD/tools/dialogpointofintersectionarcs.h \
     $$PWD/tools/dialogpointofintersectioncircles.h \
     $$PWD/tools/dialogpointfromcircleandtangent.h \
-    dialogs/tools/dialogpointfromarcandtangent.h
+    $$PWD/tools/dialogpointfromarcandtangent.h \
+    $$PWD/tools/dialogarcwithlength.h
 
 SOURCES += \
     $$PWD/tools/dialogtriangle.cpp \
@@ -95,7 +96,8 @@ SOURCES += \
     $$PWD/tools/dialogpointofintersectionarcs.cpp \
     $$PWD/tools/dialogpointofintersectioncircles.cpp \
     $$PWD/tools/dialogpointfromcircleandtangent.cpp \
-    dialogs/tools/dialogpointfromarcandtangent.cpp
+    $$PWD/tools/dialogpointfromarcandtangent.cpp \
+    $$PWD/tools/dialogarcwithlength.cpp
 
 FORMS += \
     $$PWD/tools/dialogtriangle.ui \
@@ -136,4 +138,5 @@ FORMS += \
     $$PWD/tools/dialogpointofintersectionarcs.ui \
     $$PWD/tools/dialogpointofintersectioncircles.ui \
     $$PWD/tools/dialogpointfromcircleandtangent.ui \
-    dialogs/tools/dialogpointfromarcandtangent.ui
+    $$PWD/tools/dialogpointfromarcandtangent.ui \
+    $$PWD/tools/dialogarcwithlength.ui

src/app/dialogs/tools/dialogarcwithlength.cpp

@@ -0,0 +1,381 @@
+/************************************************************************
+ **
+ **  @file   dialogarcwithlength.cpp
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   9 6, 2015
+ **
+ **  @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) 2015 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 "dialogarcwithlength.h"
+#include "ui_dialogarcwithlength.h"
+
+#include <QPushButton>
+#include <QTimer>
+
+#include "../../libs/vgeometry/vpointf.h"
+#include "../../container/vcontainer.h"
+#include "../../libs/ifc/xml/vdomdocument.h"
+#include "../../visualization/vistoolarcwithlength.h"
+#include "dialogeditwrongformula.h"
+
+//---------------------------------------------------------------------------------------------------------------------
+DialogArcWithLength::DialogArcWithLength(const VContainer *data, const quint32 &toolId, QWidget *parent)
+    :DialogTool(data, toolId, parent), ui(new Ui::DialogArcWithLength), flagRadius(false), flagF1(false),
+      flagLength(false), timerRadius(nullptr), timerF1(nullptr), timerLength(nullptr), radius(QString()), f1(QString()),
+      length(QString()),formulaBaseHeightRadius(0), formulaBaseHeightF1(0), formulaBaseHeightLength(0), angleF1(INT_MIN)
+{
+    ui->setupUi(this);
+
+    plainTextEditFormula = ui->plainTextEditRadius;
+    this->formulaBaseHeightLength = ui->plainTextEditRadius->height();
+    this->formulaBaseHeightF1 = ui->plainTextEditF1->height();
+    this->formulaBaseHeightLength = ui->plainTextEditLength->height();
+
+    ui->plainTextEditRadius->installEventFilter(this);
+    ui->plainTextEditF1->installEventFilter(this);
+    ui->plainTextEditLength->installEventFilter(this);
+
+    timerRadius = new QTimer(this);
+    connect(timerRadius, &QTimer::timeout, this, &DialogArcWithLength::Radius);
+
+    timerF1 = new QTimer(this);
+    connect(timerF1, &QTimer::timeout, this, &DialogArcWithLength::EvalF);
+
+    timerLength = new QTimer(this);
+    connect(timerLength, &QTimer::timeout, this, &DialogArcWithLength::Length);
+
+    InitOkCancelApply(ui);
+
+    FillComboBoxPoints(ui->comboBoxCenter);
+    FillComboBoxLineColors(ui->comboBoxColor);
+
+    CheckState();
+
+    connect(ui->toolButtonExprRadius, &QPushButton::clicked, this, &DialogArcWithLength::FXRadius);
+    connect(ui->toolButtonExprF1, &QPushButton::clicked, this, &DialogArcWithLength::FXF1);
+    connect(ui->toolButtonExprLength, &QPushButton::clicked, this, &DialogArcWithLength::FXLength);
+
+    connect(ui->plainTextEditRadius, &QPlainTextEdit::textChanged, this, &DialogArcWithLength::RadiusChanged);
+    connect(ui->plainTextEditF1, &QPlainTextEdit::textChanged, this, &DialogArcWithLength::F1Changed);
+    connect(ui->plainTextEditLength, &QPlainTextEdit::textChanged, this, &DialogArcWithLength::LengthChanged);
+
+    connect(ui->pushButtonGrowLengthRadius, &QPushButton::clicked, this, &DialogArcWithLength::DeployRadiusTextEdit);
+    connect(ui->pushButtonGrowLengthF1, &QPushButton::clicked, this, &DialogArcWithLength::DeployF1TextEdit);
+    connect(ui->pushButtonGrowLengthArcLength, &QPushButton::clicked, this, &DialogArcWithLength::DeployLengthTextEdit);
+
+    vis = new VisToolArcWithLength(data);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+DialogArcWithLength::~DialogArcWithLength()
+{
+    DeleteVisualization<VisToolArcWithLength>();
+    delete ui;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+quint32 DialogArcWithLength::GetCenter() const
+{
+    return getCurrentObjectId(ui->comboBoxCenter);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::SetCenter(const quint32 &value)
+{
+    ChangeCurrentData(ui->comboBoxCenter, value);
+    vis->setPoint1Id(value);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+QString DialogArcWithLength::GetRadius() const
+{
+    return qApp->FormulaFromUser(radius);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::SetRadius(const QString &value)
+{
+    radius = qApp->FormulaToUser(value);
+    // increase height if needed.
+    if (radius.length() > 80)
+    {
+        this->DeployRadiusTextEdit();
+    }
+    ui->plainTextEditRadius->setPlainText(radius);
+
+    VisToolArcWithLength *path = qobject_cast<VisToolArcWithLength *>(vis);
+    SCASSERT(path != nullptr);
+    path->setRadius(radius);
+
+    MoveCursorToEnd(ui->plainTextEditRadius);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+QString DialogArcWithLength::GetF1() const
+{
+    return qApp->FormulaFromUser(f1);
+}
+
+void DialogArcWithLength::SetF1(const QString &value)
+{
+    f1 = qApp->FormulaToUser(value);
+    // increase height if needed.
+    if (f1.length() > 80)
+    {
+        this->DeployF1TextEdit();
+    }
+    ui->plainTextEditF1->setPlainText(f1);
+
+    VisToolArcWithLength *path = qobject_cast<VisToolArcWithLength *>(vis);
+    SCASSERT(path != nullptr);
+    path->setF1(f1);
+
+    MoveCursorToEnd(ui->plainTextEditF1);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+QString DialogArcWithLength::GetLength() const
+{
+    return qApp->FormulaFromUser(length);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::SetLength(const QString &value)
+{
+    length = qApp->FormulaToUser(value);
+    // increase height if needed.
+    if (length.length() > 80)
+    {
+        this->DeployLengthTextEdit();
+    }
+    ui->plainTextEditLength->setPlainText(length);
+
+    VisToolArcWithLength *path = qobject_cast<VisToolArcWithLength *>(vis);
+    SCASSERT(path != nullptr);
+    path->setLength(radius);
+
+    MoveCursorToEnd(ui->plainTextEditLength);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+QString DialogArcWithLength::GetColor() const
+{
+    return GetComboBoxCurrentData(ui->comboBoxColor);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::SetColor(const QString &value)
+{
+    ChangeCurrentData(ui->comboBoxColor, value);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::ChosenObject(quint32 id, const SceneObject &type)
+{
+    if (prepare == false)// After first choose we ignore all objects
+    {
+        if (type == SceneObject::Point)
+        {
+            if (SetObject(id, ui->comboBoxCenter, ""))
+            {
+                vis->VisualMode(id);
+                prepare = true;
+                this->setModal(true);
+                this->show();
+            }
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::DeployRadiusTextEdit()
+{
+    DeployFormula(ui->plainTextEditRadius, ui->pushButtonGrowLengthArcLength, formulaBaseHeightRadius);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::DeployF1TextEdit()
+{
+    DeployFormula(ui->plainTextEditF1, ui->pushButtonGrowLengthF1, formulaBaseHeightF1);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::DeployLengthTextEdit()
+{
+    DeployFormula(ui->plainTextEditLength, ui->pushButtonGrowLengthArcLength, formulaBaseHeightLength);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::RadiusChanged()
+{
+    labelEditFormula = ui->labelEditRadius;
+    labelResultCalculation = ui->labelResultRadius;
+    ValFormulaChanged(flagRadius, ui->plainTextEditRadius, timerRadius);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::F1Changed()
+{
+    labelEditFormula = ui->labelEditF1;
+    labelResultCalculation = ui->labelResultF1;
+    ValFormulaChanged(flagF1, ui->plainTextEditF1, timerF1);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::LengthChanged()
+{
+    labelEditFormula = ui->labelEditLength;
+    labelResultCalculation = ui->labelResultLength;
+    ValFormulaChanged(flagLength, ui->plainTextEditLength, timerLength);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::FXRadius()
+{
+    DialogEditWrongFormula *dialog = new DialogEditWrongFormula(data, toolId, this);
+    dialog->setWindowTitle(tr("Edit radius"));
+    dialog->SetFormula(GetRadius());
+    if (dialog->exec() == QDialog::Accepted)
+    {
+        SetRadius(dialog->GetFormula());
+    }
+    delete dialog;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::FXF1()
+{
+    DialogEditWrongFormula *dialog = new DialogEditWrongFormula(data, toolId, this);
+    dialog->setWindowTitle(tr("Edit the first angle"));
+    dialog->SetFormula(GetF1());
+    if (dialog->exec() == QDialog::Accepted)
+    {
+        SetF1(dialog->GetFormula());
+    }
+    delete dialog;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::FXLength()
+{
+    DialogEditWrongFormula *dialog = new DialogEditWrongFormula(data, toolId, this);
+    dialog->setWindowTitle(tr("Edit the arc length"));
+    dialog->SetFormula(GetLength());
+    if (dialog->exec() == QDialog::Accepted)
+    {
+        SetLength(dialog->GetFormula());
+    }
+    delete dialog;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::CheckState()
+{
+    SCASSERT(bOk != nullptr);
+    bOk->setEnabled(flagRadius && flagF1 && flagLength);
+    // In case dialog hasn't apply button
+    if ( bApply != nullptr)
+    {
+        bApply->setEnabled(bOk->isEnabled());
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::ShowVisualization()
+{
+    AddVisualization<VisToolArcWithLength>();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::SaveData()
+{
+    radius = ui->plainTextEditRadius->toPlainText();
+    radius.replace("\n", " ");
+
+    f1 = ui->plainTextEditF1->toPlainText();
+    f1.replace("\n", " ");
+
+    length = ui->plainTextEditLength->toPlainText();
+    length.replace("\n", " ");
+
+    VisToolArcWithLength *path = qobject_cast<VisToolArcWithLength *>(vis);
+    SCASSERT(path != nullptr);
+
+    path->setPoint1Id(GetCenter());
+    path->setRadius(radius);
+    path->setF1(f1);
+    path->setLength(length);
+    path->RefreshGeometry();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::closeEvent(QCloseEvent *event)
+{
+    ui->plainTextEditRadius->blockSignals(true);
+    ui->plainTextEditF1->blockSignals(true);
+    ui->plainTextEditLength->blockSignals(true);
+    DialogTool::closeEvent(event);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::Radius()
+{
+    labelEditFormula = ui->labelEditRadius;
+    const QString postfix = VDomDocument::UnitsToStr(qApp->patternUnit(), true);
+    const qreal radius = Eval(ui->plainTextEditRadius->toPlainText(), flagRadius, ui->labelResultRadius, postfix);
+
+    if (radius < 0)
+    {
+        flagRadius = false;
+        ChangeColor(labelEditFormula, Qt::red);
+        ui->labelResultRadius->setText(tr("Error"));
+        ui->labelResultRadius->setToolTip(tr("Radius can't be negative"));
+
+        DialogArcWithLength::CheckState();
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::Length()
+{
+    labelEditFormula = ui->labelEditLength;
+    const QString postfix = VDomDocument::UnitsToStr(qApp->patternUnit(), true);
+    const qreal length = Eval(ui->plainTextEditLength->toPlainText(), flagLength, ui->labelResultLength, postfix);
+
+    if (qFuzzyCompare(length+1, 0+1))
+    {
+        flagLength = false;
+        ChangeColor(labelEditFormula, Qt::red);
+        ui->labelResultLength->setText(tr("Error"));
+        ui->labelResultLength->setToolTip(tr("Length can't be equal 0"));
+
+        DialogArcWithLength::CheckState();
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogArcWithLength::EvalF()
+{
+    labelEditFormula = ui->labelEditF1;
+    angleF1 = Eval(ui->plainTextEditF1->toPlainText(), flagF1, ui->labelResultF1, degreeSymbol, false);
+}

src/app/dialogs/tools/dialogarcwithlength.h

@@ -0,0 +1,128 @@
+/************************************************************************
+ **
+ **  @file   dialogarcwithlength.h
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   9 6, 2015
+ **
+ **  @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) 2015 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 DIALOGARCWITHLENGTH_H
+#define DIALOGARCWITHLENGTH_H
+
+#include "dialogtool.h"
+
+namespace Ui
+{
+    class DialogArcWithLength;
+}
+
+class DialogArcWithLength : public DialogTool
+{
+    Q_OBJECT
+
+public:
+    DialogArcWithLength(const VContainer *data, const quint32 &toolId, QWidget *parent = nullptr);
+    ~DialogArcWithLength();
+
+    quint32       GetCenter() const;
+    void          SetCenter(const quint32 &value);
+
+    QString       GetRadius() const;
+    void          SetRadius(const QString &value);
+
+    QString       GetF1() const;
+    void          SetF1(const QString &value);
+
+    QString       GetLength() const;
+    void          SetLength(const QString &value);
+
+    QString       GetColor() const;
+    void          SetColor(const QString &value);
+
+public slots:
+    virtual void  ChosenObject(quint32 id, const SceneObject &type);
+    /**
+     * @brief DeployFormulaTextEdit grow or shrink formula input
+     */
+    void DeployRadiusTextEdit();
+    void DeployF1TextEdit();
+    void DeployLengthTextEdit();
+
+    void          RadiusChanged();
+    void          F1Changed();
+    void          LengthChanged();
+
+    void          FXRadius();
+    void          FXF1();
+    void          FXLength();
+
+protected:
+    virtual void  CheckState();
+    virtual void  ShowVisualization();
+    /**
+     * @brief SaveData Put dialog data in local variables
+     */
+    virtual void  SaveData();
+    virtual void  closeEvent(QCloseEvent *event);
+
+private:
+    Q_DISABLE_COPY(DialogArcWithLength)
+    Ui::DialogArcWithLength *ui;
+
+    /** @brief flagRadius true if value of radius is correct */
+    bool          flagRadius;
+
+    /** @brief flagF1 true if value of first angle is correct */
+    bool          flagF1;
+
+    bool          flagLength;
+
+    /** @brief timerRadius timer of check formula of radius */
+    QTimer        *timerRadius;
+
+    /** @brief timerF1 timer of check formula of first angle */
+    QTimer        *timerF1;
+
+    QTimer        *timerLength;
+
+    /** @brief radius formula of radius */
+    QString       radius;
+
+    /** @brief f1 formula of first angle */
+    QString       f1;
+
+    QString       length;
+
+    /** @brief formulaBaseHeight base height defined by dialogui */
+    int           formulaBaseHeightRadius;
+    int           formulaBaseHeightF1;
+    int           formulaBaseHeightLength;
+
+    qreal         angleF1;
+
+    void          Radius();
+    void          Length();
+    void          EvalF();
+};
+
+#endif // DIALOGARCWITHLENGTH_H

src/app/dialogs/tools/dialogarcwithlength.ui

@@ -0,0 +1,629 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DialogArcWithLength</class>
+ <widget class="QDialog" name="DialogArcWithLength">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>339</width>
+    <height>329</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <property name="windowIcon">
+   <iconset resource="../../share/resources/icon.qrc">
+    <normaloff>:/icon/64x64/icon64x64.png</normaloff>:/icon/64x64/icon64x64.png</iconset>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_4">
+     <item>
+      <widget class="QLabel" name="labelEditRadius">
+       <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>Radius</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer_4">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QToolButton" name="toolButtonExprRadius">
+       <property name="text">
+        <string notr="true">...</string>
+       </property>
+       <property name="icon">
+        <iconset resource="../../share/resources/icon.qrc">
+         <normaloff>:/icon/24x24/fx.png</normaloff>:/icon/24x24/fx.png</iconset>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>24</width>
+         <height>24</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="label_6">
+       <property name="text">
+        <string/>
+       </property>
+       <property name="pixmap">
+        <pixmap resource="../../share/resources/icon.qrc">:/icon/24x24/equal.png</pixmap>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="labelResultRadius">
+       <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 radius</string>
+       </property>
+       <property name="text">
+        <string notr="true">_</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_12">
+     <item>
+      <widget class="QPlainTextEdit" name="plainTextEditRadius">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>16777215</width>
+         <height>24</height>
+        </size>
+       </property>
+       <property name="tabChangesFocus">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="pushButtonGrowLengthRadius">
+       <property name="maximumSize">
+        <size>
+         <width>18</width>
+         <height>18</height>
+        </size>
+       </property>
+       <property name="sizeIncrement">
+        <size>
+         <width>0</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="toolTip">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Show full calculation in message box&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="text">
+        <string notr="true"/>
+       </property>
+       <property name="icon">
+        <iconset theme="go-down">
+         <normaloff/>
+        </iconset>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>16</width>
+         <height>16</height>
+        </size>
+       </property>
+       <property name="flat">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_5">
+     <item>
+      <widget class="QLabel" name="labelEditF1">
+       <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>First angle</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer_5">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QToolButton" name="toolButtonExprF1">
+       <property name="text">
+        <string notr="true">...</string>
+       </property>
+       <property name="icon">
+        <iconset resource="../../share/resources/icon.qrc">
+         <normaloff>:/icon/24x24/fx.png</normaloff>:/icon/24x24/fx.png</iconset>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>24</width>
+         <height>24</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="label_9">
+       <property name="text">
+        <string/>
+       </property>
+       <property name="pixmap">
+        <pixmap resource="../../share/resources/icon.qrc">:/icon/24x24/equal.png</pixmap>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="labelResultF1">
+       <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 first angle</string>
+       </property>
+       <property name="text">
+        <string notr="true">_</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_9">
+     <item>
+      <widget class="QPlainTextEdit" name="plainTextEditF1">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>16777215</width>
+         <height>24</height>
+        </size>
+       </property>
+       <property name="tabChangesFocus">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="pushButtonGrowLengthF1">
+       <property name="maximumSize">
+        <size>
+         <width>18</width>
+         <height>18</height>
+        </size>
+       </property>
+       <property name="sizeIncrement">
+        <size>
+         <width>0</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="toolTip">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Show full calculation in message box&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="text">
+        <string notr="true"/>
+       </property>
+       <property name="icon">
+        <iconset theme="go-down">
+         <normaloff/>
+        </iconset>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>16</width>
+         <height>16</height>
+        </size>
+       </property>
+       <property name="flat">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_11">
+     <item>
+      <widget class="QLabel" name="labelEditLength">
+       <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>
+      <spacer name="horizontalSpacer_6">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QToolButton" name="toolButtonExprLength">
+       <property name="text">
+        <string>...</string>
+       </property>
+       <property name="icon">
+        <iconset resource="../../share/resources/icon.qrc">
+         <normaloff>:/icon/24x24/fx.png</normaloff>:/icon/24x24/fx.png</iconset>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>24</width>
+         <height>24</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="label_10">
+       <property name="text">
+        <string/>
+       </property>
+       <property name="pixmap">
+        <pixmap resource="../../share/resources/icon.qrc">:/icon/24x24/equal.png</pixmap>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="labelResultLength">
+       <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>Arc length</string>
+       </property>
+       <property name="text">
+        <string notr="true">_</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_10">
+     <item>
+      <widget class="QPlainTextEdit" name="plainTextEditLength">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>16777215</width>
+         <height>24</height>
+        </size>
+       </property>
+       <property name="tabChangesFocus">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="pushButtonGrowLengthArcLength">
+       <property name="maximumSize">
+        <size>
+         <width>18</width>
+         <height>18</height>
+        </size>
+       </property>
+       <property name="sizeIncrement">
+        <size>
+         <width>0</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="toolTip">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Show full calculation in message box&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="text">
+        <string notr="true"/>
+       </property>
+       <property name="icon">
+        <iconset theme="go-down">
+         <normaloff/>
+        </iconset>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>16</width>
+         <height>16</height>
+        </size>
+       </property>
+       <property name="flat">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QFormLayout" name="formLayout_2">
+     <item row="0" column="0">
+      <widget class="QLabel" name="label_7">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string>Center point</string>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="1">
+      <widget class="QComboBox" name="comboBoxCenter">
+       <property name="toolTip">
+        <string>Select point of center of arc</string>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="1">
+      <widget class="QComboBox" name="comboBoxColor"/>
+     </item>
+     <item row="1" column="0">
+      <widget class="QLabel" name="label_8">
+       <property name="text">
+        <string>Color</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Apply|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>DialogArcWithLength</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>DialogArcWithLength</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/app/dialogs/tools/dialogpointfromcircleandtangent.ui

@@ -137,7 +137,7 @@
         </size>
        </property>
        <property name="toolTip">
-        <string>Value of first angle</string>
+        <string>Radius</string>
        </property>
        <property name="text">
         <string notr="true">_</string>

src/app/dialogs/tools/dialogpointofintersectioncircles.ui

@@ -137,7 +137,7 @@
         </size>
        </property>
        <property name="toolTip">
-        <string>Value of radius</string>
+        <string>Radius of the first circle</string>
        </property>
        <property name="text">
         <string notr="true">_</string>
@@ -312,7 +312,7 @@
         </size>
        </property>
        <property name="toolTip">
-        <string>Value of first angle</string>
+        <string>Radius of the second circle</string>
        </property>
        <property name="text">
         <string notr="true">_</string>

src/app/mainwindow.cpp

@@ -735,6 +735,16 @@ void MainWindow::ToolPointFromArcAndTangent(bool checked)
                                                          &MainWindow::ApplyDialog<VToolPointFromArcAndTangent>);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void MainWindow::ToolArcWithLength(bool checked)
+{
+    SetToolButtonWithApply<DialogArcWithLength>(checked, Tool::ArcWithLength,
+                                                "://cursor/arc_with_length_cursor.png",
+                                                tr("Select point of the center of the arc"),
+                                                &MainWindow::ClosedDialogWithApply<VToolArcWithLength>,
+                                                &MainWindow::ApplyDialog<VToolArcWithLength>);
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief About show widows about.
@@ -1037,6 +1047,7 @@ void MainWindow::InitToolButtons()
     connect(ui->toolButtonPointFromCircleAndTangent, &QToolButton::clicked, this,
             &MainWindow::ToolPointFromCircleAndTangent);
     connect(ui->toolButtonPointFromArcAndTangent, &QToolButton::clicked, this, &MainWindow::ToolPointFromArcAndTangent);
+    connect(ui->toolButtonArcWithLength, &QToolButton::clicked, this, &MainWindow::ToolArcWithLength);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -1113,6 +1124,9 @@ void MainWindow::CancelTool()
         case Tool::Arc:
             ui->toolButtonArc->setChecked(false);
             break;
+        case Tool::ArcWithLength:
+            ui->toolButtonArcWithLength->setChecked(false);
+            break;
         case Tool::SplinePath:
             ui->toolButtonSplinePath->setChecked(false);
             break;
@@ -1156,6 +1170,12 @@ void MainWindow::CancelTool()
         case Tool::PointOfIntersectionCircles:
             ui->toolButtonPointOfIntersectionCircles->setChecked(false);
             break;
+        case Tool::PointFromCircleAndTangent:
+            ui->toolButtonPointFromCircleAndTangent->setChecked(false);
+            break;
+        case Tool::PointFromArcAndTangent:
+            ui->toolButtonPointFromArcAndTangent->setChecked(false);
+            break;
         case Tool::NodePoint:
         case Tool::NodeArc:
         case Tool::NodeSpline:
@@ -2185,6 +2205,7 @@ void MainWindow::SetEnableTool(bool enable)
     ui->toolButtonPointOfIntersectionCircles->setEnabled(drawTools);
     ui->toolButtonPointFromCircleAndTangent->setEnabled(drawTools);
     ui->toolButtonPointFromArcAndTangent->setEnabled(drawTools);
+    ui->toolButtonArcWithLength->setEnabled(drawTools);
 
     ui->actionLast_tool->setEnabled(drawTools);
 
@@ -2559,6 +2580,10 @@ void MainWindow::LastUsedTool()
             ui->toolButtonPointFromArcAndTangent->setChecked(true);
             ToolPointFromArcAndTangent(true);
             break;
+        case Tool::ArcWithLength:
+            ui->toolButtonArcWithLength->setChecked(true);
+            ToolArcWithLength(true);
+            break;
         case Tool::NodePoint:
         case Tool::NodeArc:
         case Tool::NodeSpline:

src/app/mainwindow.h

@@ -119,6 +119,7 @@ public slots:
     void               ToolPointOfIntersectionCircles(bool checked);
     void               ToolPointFromCircleAndTangent(bool checked);
     void               ToolPointFromArcAndTangent(bool checked);
+    void               ToolArcWithLength(bool checked);
 
     void               ClosedDialogDetail(int result);
     void               ClosedDialogUnionDetails(int result);

src/app/mainwindow.ui

@@ -48,14 +48,14 @@
        <string/>
       </property>
       <property name="currentIndex">
-       <number>0</number>
+       <number>3</number>
       </property>
       <widget class="QWidget" name="page">
        <property name="geometry">
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>130</width>
+         <width>100</width>
          <height>272</height>
         </rect>
        </property>
@@ -346,7 +346,7 @@
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>145</width>
+         <width>100</width>
          <height>58</height>
         </rect>
        </property>
@@ -429,8 +429,8 @@
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>145</width>
+         <width>100</width>
-         <height>104</height>
+         <height>156</height>
         </rect>
        </property>
        <property name="sizePolicy">
@@ -590,8 +590,8 @@
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>145</width>
+         <width>130</width>
-         <height>150</height>
+         <height>196</height>
         </rect>
        </property>
        <property name="sizePolicy">
@@ -796,6 +796,32 @@
           </property>
          </widget>
         </item>
+        <item row="3" column="1">
+         <widget class="QToolButton" name="toolButtonArcWithLength">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="toolTip">
+           <string>Arc with given length</string>
+          </property>
+          <property name="text">
+           <string notr="true">...</string>
+          </property>
+          <property name="icon">
+           <iconset resource="share/resources/toolicon.qrc">
+            <normaloff>:/toolicon/32x32/arc_with_length.png</normaloff>:/toolicon/32x32/arc_with_length.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">
@@ -803,7 +829,7 @@
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>145</width>
+         <width>100</width>
          <height>58</height>
         </rect>
        </property>
@@ -886,8 +912,8 @@
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>145</width>
+         <width>98</width>
-         <height>386</height>
+         <height>58</height>
         </rect>
        </property>
        <attribute name="icon">

src/app/options.h

@@ -75,6 +75,7 @@ enum class Tool : unsigned char
     CutSpline,
     CutArc,
     Arc,
+    ArcWithLength,
     SplinePath,
     CutSplinePath,
     PointOfContact,
@@ -92,18 +93,19 @@ enum class Tool : unsigned char
     PointOfIntersection,
     PointFromCircleAndTangent,
     PointFromArcAndTangent,
-    UnionDetails // 34
+    UnionDetails // 35
 };
 
 enum class Vis : unsigned char
 {
-    ControlPointSpline = 35, // increase this value if need more positions in Tool enum
+    ControlPointSpline = 36, // increase this value if need more positions in Tool enum
     GraphicsSimpleTextItem,
     SimpleSplinePath,
     Line,
     Path,
     ToolAlongLine,
     ToolArc,
+    ToolArcWithLength,
     ToolBisector,
     ToolCutArc,
     ToolEndLine,

src/app/share/resources/cursor.qrc

@@ -28,5 +28,6 @@
         <file>cursor/point_of_intersection_circles.png</file>
         <file>cursor/point_from_circle_and_tangent_cursor.png</file>
         <file>cursor/point_from_arc_and_tangent_cursor.png</file>
+        <file>cursor/arc_with_length_cursor.png</file>
     </qresource>
 </RCC>

src/app/share/resources/toolicon.qrc

@@ -26,5 +26,6 @@
         <file>toolicon/32x32/triangle.png</file>
         <file>toolicon/32x32/union.png</file>
         <file>toolicon/32x32/new_detail.png</file>
+        <file>toolicon/32x32/arc_with_length.png</file>
     </qresource>
 </RCC>

src/app/share/resources/toolicon/svg/arc_with_length.svg

@@ -0,0 +1,230 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   width="32"
+   height="32"
+   id="svg5205"
+   inkscape:version="0.48.4 r9939"
+   sodipodi:docname="arc_with_length.svg">
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
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src/app/tools/drawTools/drawtools.h

@@ -31,6 +31,7 @@
 
 #include "vtoolalongline.h"
 #include "vtoolarc.h"
+#include "vtoolarcwithlength.h"
 #include "vtoolbisector.h"
 #include "vtoolendline.h"
 #include "vtoolline.h"

src/app/tools/drawTools/vtoolarcwithlength.cpp

@@ -0,0 +1,319 @@
+/************************************************************************
+ **
+ **  @file   vtoolarcwithlength.cpp
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   9 6, 2015
+ **
+ **  @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) 2015 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 "vtoolarcwithlength.h"
+#include "../../container/calculator.h"
+#include "../../dialogs/tools/dialogarcwithlength.h"
+#include "../../libs/vgeometry/varc.h"
+#include "../container/vformula.h"
+#include "../../visualization/vistoolarcwithlength.h"
+
+#include <QKeyEvent>
+
+const QString VToolArcWithLength::TagName = QStringLiteral("arc");
+const QString VToolArcWithLength::ToolType = QStringLiteral("arcWithLength");
+
+//---------------------------------------------------------------------------------------------------------------------
+VToolArcWithLength::VToolArcWithLength(VPattern *doc, VContainer *data, quint32 id, const QString &color,
+                                       const Source &typeCreation, QGraphicsItem *parent)
+    :VAbstractSpline(doc, data, id, parent)
+{
+    sceneType = SceneObject::Arc;
+    lineColor = color;
+
+    this->setPath(ToolPath());
+    this->setPen(QPen(Qt::black, qApp->toPixel(qApp->widthHairLine())/factor));
+    this->setFlag(QGraphicsItem::ItemIsSelectable, true);
+    this->setFlag(QGraphicsItem::ItemIsFocusable, true);
+    this->setAcceptHoverEvents(true);
+
+    ToolCreation(typeCreation);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolArcWithLength::setDialog()
+{
+    SCASSERT(dialog != nullptr);
+    DialogArcWithLength *dialogTool = qobject_cast<DialogArcWithLength*>(dialog);
+    SCASSERT(dialogTool != nullptr);
+    const QSharedPointer<VArc> arc = VAbstractTool::data.GeometricObject<VArc>(id);
+    dialogTool->SetCenter(arc->GetCenter().id());
+    dialogTool->SetF1(arc->GetFormulaF1());
+    dialogTool->SetLength(arc->GetFormulaLength());
+    dialogTool->SetRadius(arc->GetFormulaRadius());
+    dialogTool->SetColor(lineColor);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+VToolArcWithLength *VToolArcWithLength::Create(DialogTool *dialog, VMainGraphicsScene *scene, VPattern *doc,
+                                               VContainer *data)
+{
+    SCASSERT(dialog != nullptr);
+    DialogArcWithLength *dialogTool = qobject_cast<DialogArcWithLength*>(dialog);
+    SCASSERT(dialogTool != nullptr);
+    const quint32 center = dialogTool->GetCenter();
+    QString radius = dialogTool->GetRadius();
+    QString f1 = dialogTool->GetF1();
+    QString length = dialogTool->GetLength();
+    const QString color = dialogTool->GetColor();
+    VToolArcWithLength* point = nullptr;
+    point=Create(0, center, radius, f1, length, color, scene, doc, data, Document::FullParse, Source::FromGui);
+    if (point != nullptr)
+    {
+        point->dialog=dialogTool;
+    }
+    return point;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+VToolArcWithLength *VToolArcWithLength::Create(const quint32 _id, const quint32 &center, QString &radius, QString &f1,
+                                               QString &length, const QString &color, VMainGraphicsScene *scene,
+                                               VPattern *doc, VContainer *data, const Document &parse,
+                                               const Source &typeCreation)
+{
+    qreal calcRadius = 0, calcF1 = 0, calcLength = 0;
+
+    calcRadius = qApp->toPixel(CheckFormula(_id, radius, data));
+    calcLength = qApp->toPixel(CheckFormula(_id, length, data));
+    calcF1 = CheckFormula(_id, f1, data);
+
+    VPointF c = *data->GeometricObject<VPointF>(center);
+    VArc *arc = new VArc(calcLength, length, c, calcRadius, radius, calcF1, f1);
+    quint32 id = _id;
+    if (typeCreation == Source::FromGui)
+    {
+        id = data->AddGObject(arc);
+        data->AddArc(id);
+    }
+    else
+    {
+        data->UpdateGObject(id, arc);
+        data->AddArc(id);
+        if (parse != Document::FullParse)
+        {
+            doc->UpdateToolData(id, data);
+        }
+    }
+    VDrawTool::AddRecord(id, Tool::ArcWithLength, doc);
+    if (parse == Document::FullParse)
+    {
+        VToolArcWithLength *toolArc = new VToolArcWithLength(doc, data, id, color, typeCreation);
+        scene->addItem(toolArc);
+        connect(toolArc, &VToolArcWithLength::ChoosedTool, scene, &VMainGraphicsScene::ChoosedItem);
+        connect(scene, &VMainGraphicsScene::NewFactor, toolArc, &VToolArcWithLength::SetFactor);
+        connect(scene, &VMainGraphicsScene::DisableItem, toolArc, &VToolArcWithLength::Disable);
+        doc->AddTool(id, toolArc);
+        doc->IncrementReferens(center);
+        return toolArc;
+    }
+    return nullptr;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+QString VToolArcWithLength::getTagName() const
+{
+    return VToolArcWithLength::TagName;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+quint32 VToolArcWithLength::getCenter() const
+{
+    QSharedPointer<VArc> arc = VAbstractTool::data.GeometricObject<VArc>(id);
+    SCASSERT(arc.isNull() == false);
+
+    return arc->GetCenter().id();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolArcWithLength::setCenter(const quint32 &value)
+{
+    if (value != NULL_ID)
+    {
+        QSharedPointer<VGObject> obj = VAbstractTool::data.GetGObject(id);
+        QSharedPointer<VArc> arc = qSharedPointerDynamicCast<VArc>(obj);
+
+        QSharedPointer<VPointF> point = VAbstractTool::data.GeometricObject<VPointF>(value);
+        arc->SetCenter(*point.data());
+        SaveOption(obj);
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+VFormula VToolArcWithLength::GetFormulaRadius() const
+{
+    QSharedPointer<VArc> arc = VAbstractTool::data.GeometricObject<VArc>(id);
+    SCASSERT(arc.isNull() == false);
+
+    VFormula radius(arc->GetFormulaRadius(), getData());
+    radius.setCheckZero(true);
+    radius.setToolId(id);
+    radius.setPostfix(VDomDocument::UnitsToStr(qApp->patternUnit()));
+    return radius;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolArcWithLength::SetFormulaRadius(const VFormula &value)
+{
+    if (value.error() == false)
+    {
+        if (value.getDoubleValue() > 0)// Formula don't check this, but radius can't be 0 or negative
+        {
+            QSharedPointer<VGObject> obj = VAbstractTool::data.GetGObject(id);
+            QSharedPointer<VArc> arc = qSharedPointerDynamicCast<VArc>(obj);
+            arc->SetFormulaRadius(value.GetFormula(FormulaType::FromUser), value.getDoubleValue());
+            SaveOption(obj);
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+VFormula VToolArcWithLength::GetFormulaF1() const
+{
+    QSharedPointer<VArc> arc = VAbstractTool::data.GeometricObject<VArc>(id);
+    SCASSERT(arc.isNull() == false);
+
+    VFormula f1(arc->GetFormulaF1(), getData());
+    f1.setCheckZero(false);
+    f1.setToolId(id);
+    f1.setPostfix(degreeSymbol);
+    return f1;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolArcWithLength::SetFormulaF1(const VFormula &value)
+{
+    if (value.error() == false)
+    {
+        QSharedPointer<VGObject> obj = VAbstractTool::data.GetGObject(id);
+        QSharedPointer<VArc> arc = qSharedPointerDynamicCast<VArc>(obj);
+
+        if (qFuzzyCompare(value.getDoubleValue() + 1, arc->GetEndAngle() + 1)==false)// Angles can't be equal
+        {
+            arc->SetFormulaF1(value.GetFormula(FormulaType::FromUser), value.getDoubleValue());
+            SaveOption(obj);
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+VFormula VToolArcWithLength::GetFormulaLength() const
+{
+    QSharedPointer<VArc> arc = VAbstractTool::data.GeometricObject<VArc>(id);
+    SCASSERT(arc.isNull() == false);
+
+    VFormula radius(arc->GetFormulaLength(), getData());
+    radius.setCheckZero(true);
+    radius.setToolId(id);
+    radius.setPostfix(VDomDocument::UnitsToStr(qApp->patternUnit()));
+    return radius;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolArcWithLength::SetFormulaLength(const VFormula &value)
+{
+    if (value.error() == false)
+    {
+        QSharedPointer<VGObject> obj = VAbstractTool::data.GetGObject(id);
+        QSharedPointer<VArc> arc = qSharedPointerDynamicCast<VArc>(obj);
+        arc->SetFormulaLength(value.GetFormula(FormulaType::FromUser), value.getDoubleValue());
+        SaveOption(obj);
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolArcWithLength::ShowVisualization(bool show)
+{
+    ShowToolVisualization<VisToolArcWithLength>(show);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolArcWithLength::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
+{
+    ContextMenu<DialogArcWithLength>(this, event);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolArcWithLength::RemoveReferens()
+{
+    const QSharedPointer<VArc> arc = VAbstractTool::data.GeometricObject<VArc>(id);
+    doc->DecrementReferens(arc->GetCenter().id());
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolArcWithLength::SaveDialog(QDomElement &domElement)
+{
+    SCASSERT(dialog != nullptr);
+    DialogArcWithLength *dialogTool = qobject_cast<DialogArcWithLength*>(dialog);
+    SCASSERT(dialogTool != nullptr);
+    doc->SetAttribute(domElement, AttrCenter, QString().setNum(dialogTool->GetCenter()));
+    doc->SetAttribute(domElement, AttrRadius, dialogTool->GetRadius());
+    doc->SetAttribute(domElement, AttrAngle1, dialogTool->GetF1());
+    doc->SetAttribute(domElement, AttrLength, dialogTool->GetLength());
+    doc->SetAttribute(domElement, AttrColor, dialogTool->GetColor());
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolArcWithLength::SaveOptions(QDomElement &tag, QSharedPointer<VGObject> &obj)
+{
+    VAbstractSpline::SaveOptions(tag, obj);
+
+    QSharedPointer<VArc> arc = qSharedPointerDynamicCast<VArc>(obj);
+    SCASSERT(arc.isNull() == false);
+
+    doc->SetAttribute(tag, AttrType, ToolType);
+    doc->SetAttribute(tag, AttrCenter, arc->GetCenter().id());
+    doc->SetAttribute(tag, AttrRadius, arc->GetFormulaRadius());
+    doc->SetAttribute(tag, AttrAngle1, arc->GetFormulaF1());
+    doc->SetAttribute(tag, AttrLength, arc->GetFormulaLength());
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolArcWithLength::SetVisualization()
+{
+    if (vis != nullptr)
+    {
+        const QSharedPointer<VArc> arc = VAbstractTool::data.GeometricObject<VArc>(id);
+        VisToolArcWithLength *visual = qobject_cast<VisToolArcWithLength *>(vis);
+        SCASSERT(visual != nullptr)
+
+        visual->setPoint1Id(arc->GetCenter().id());
+        visual->setRadius(qApp->FormulaToUser(arc->GetFormulaRadius()));
+        visual->setF1(qApp->FormulaToUser(arc->GetFormulaF1()));
+        visual->setLength(qApp->FormulaToUser(arc->GetFormulaLength()));
+        visual->RefreshGeometry();
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolArcWithLength::RefreshGeometry()
+{
+    this->setPen(QPen(CorrectColor(lineColor), qApp->toPixel(qApp->widthHairLine())/factor));
+    this->setPath(ToolPath());
+
+    SetVisualization();
+}

src/app/tools/drawTools/vtoolarcwithlength.h

@@ -0,0 +1,78 @@
+/************************************************************************
+ **
+ **  @file   vtoolarcwithlength.h
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   9 6, 2015
+ **
+ **  @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) 2015 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 VTOOLARCWITHLENGTH_H
+#define VTOOLARCWITHLENGTH_H
+
+#include "vabstractspline.h"
+
+class VFormula;
+
+class VToolArcWithLength : public VAbstractSpline
+{
+    Q_OBJECT
+public:
+    VToolArcWithLength(VPattern *doc, VContainer *data, quint32 id, const QString &color, const Source &typeCreation,
+                       QGraphicsItem * parent = nullptr);
+
+    virtual void     setDialog();
+    static VToolArcWithLength* Create(DialogTool *dialog, VMainGraphicsScene  *scene, VPattern *doc, VContainer *data);
+    static VToolArcWithLength* Create(const quint32 _id, const quint32 &center, QString &radius, QString &f1,
+                                      QString &length, const QString &color, VMainGraphicsScene  *scene, VPattern *doc,
+                                      VContainer *data, const Document &parse, const Source &typeCreation);
+    static const QString TagName;
+    static const QString ToolType;
+    virtual int      type() const {return Type;}
+    enum { Type = UserType + static_cast<int>(Tool::ArcWithLength)};
+    virtual QString  getTagName() const;
+
+    quint32          getCenter() const;
+    void             setCenter(const quint32 &value);
+
+    VFormula         GetFormulaRadius() const;
+    void             SetFormulaRadius(const VFormula &value);
+
+    VFormula         GetFormulaF1() const;
+    void             SetFormulaF1(const VFormula &value);
+
+    VFormula         GetFormulaLength() const;
+    void             SetFormulaLength(const VFormula &value);
+
+    virtual void     ShowVisualization(bool show);
+protected:
+    virtual void     contextMenuEvent ( QGraphicsSceneContextMenuEvent * event );
+    virtual void     RemoveReferens();
+    virtual void     SaveDialog(QDomElement &domElement);
+    virtual void     SaveOptions(QDomElement &tag, QSharedPointer<VGObject> &obj);
+    virtual void     SetVisualization();
+private:
+    void             RefreshGeometry();
+
+};
+
+#endif // VTOOLARCWITHLENGTH_H

src/app/tools/tools.pri

@@ -42,7 +42,8 @@ HEADERS += \
     $$PWD/drawTools/vtoolpointofintersectionarcs.h \
     $$PWD/drawTools/vtoolpointofintersectioncircles.h \
     $$PWD/drawTools/vtoolpointfromcircleandtangent.h \
-    tools/drawTools/vtoolpointfromarcandtangent.h
+    $$PWD/drawTools/vtoolpointfromarcandtangent.h \
+    $$PWD/drawTools/vtoolarcwithlength.h
 
 SOURCES += \
     $$PWD/vtooldetail.cpp \
@@ -82,4 +83,5 @@ SOURCES += \
     $$PWD/drawTools/vtoolpointofintersectionarcs.cpp \
     $$PWD/drawTools/vtoolpointofintersectioncircles.cpp \
     $$PWD/drawTools/vtoolpointfromcircleandtangent.cpp \
-    tools/drawTools/vtoolpointfromarcandtangent.cpp
+    $$PWD/drawTools/vtoolpointfromarcandtangent.cpp \
+    $$PWD/drawTools/vtoolarcwithlength.cpp

src/app/visualization/vistoolarc.h

@@ -29,7 +29,6 @@
 #ifndef VISTOOLARC_H
 #define VISTOOLARC_H
 
-
 #include "vispath.h"
 
 class VisToolArc : public VisPath

src/app/visualization/vistoolarcwithlength.cpp

@@ -0,0 +1,77 @@
+/************************************************************************
+ **
+ **  @file   vistoolarcwithlength.cpp
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   9 6, 2015
+ **
+ **  @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) 2015 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 "vistoolarcwithlength.h"
+#include "../libs/vgeometry/vpointf.h"
+#include "../libs/vgeometry/varc.h"
+#include "../container/vcontainer.h"
+
+//---------------------------------------------------------------------------------------------------------------------
+VisToolArcWithLength::VisToolArcWithLength(const VContainer *data, QGraphicsItem *parent)
+    :VisPath(data, parent), arcCenter(nullptr), radius(0), f1(0), length(0)
+{
+    arcCenter = InitPoint(mainColor, this);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+VisToolArcWithLength::~VisToolArcWithLength()
+{}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VisToolArcWithLength::RefreshGeometry()
+{
+    if (point1Id > NULL_ID)
+    {
+        const QSharedPointer<VPointF> first = Visualization::data->GeometricObject<VPointF>(point1Id);
+        DrawPoint(arcCenter, first->toQPointF(), supportColor);
+
+        if (qFuzzyCompare(1 + radius, 1 + 0) == false && f1 >= 0 && qFuzzyCompare(1 + length, 1 + 0) == false)
+        {
+            VArc arc = VArc (length, *first, radius, f1);
+            DrawPath(this, arc.GetPath(PathDirection::Show), mainColor, Qt::SolidLine, Qt::RoundCap);
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VisToolArcWithLength::setRadius(const QString &expression)
+{
+    radius = FindLength(expression);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VisToolArcWithLength::setF1(const QString &expression)
+{
+    f1 = FindVal(expression);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VisToolArcWithLength::setLength(const QString &expression)
+{
+    length = FindLength(expression);
+}

src/app/visualization/vistoolarcwithlength.h

@@ -0,0 +1,55 @@
+/************************************************************************
+ **
+ **  @file   vistoolarcwithlength.h
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   9 6, 2015
+ **
+ **  @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) 2015 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 VISTOOLARCWITHLENGTH_H
+#define VISTOOLARCWITHLENGTH_H
+
+#include "vispath.h"
+
+class VisToolArcWithLength : public VisPath
+{
+    Q_OBJECT
+public:
+    VisToolArcWithLength(const VContainer *data, QGraphicsItem *parent = 0);
+    virtual ~VisToolArcWithLength();
+
+    virtual void RefreshGeometry();
+    void         setRadius(const QString &expression);
+    void         setF1(const QString &expression);
+    void         setLength(const QString &expression);
+    virtual int  type() const {return Type;}
+    enum { Type = UserType + static_cast<int>(Vis::ToolArcWithLength)};
+private:
+    Q_DISABLE_COPY(VisToolArcWithLength)
+    QGraphicsEllipseItem *arcCenter;
+    qreal                radius;
+    qreal                f1;
+    qreal                length;
+};
+
+#endif // VISTOOLARCWITHLENGTH_H

src/app/visualization/visualization.pri

@@ -30,7 +30,8 @@ HEADERS += \
     $$PWD/vistoolpointofintersectionarcs.h \
     $$PWD/vistoolpointofintersectioncircles.h \
     $$PWD/vistoolpointfromcircleandtangent.h \
-    visualization/vistoolpointfromarcandtangent.h
+    $$PWD/vistoolpointfromarcandtangent.h \
+    $$PWD/vistoolarcwithlength.h
 
 SOURCES += \
     $$PWD/vgraphicssimpletextitem.cpp \
@@ -61,4 +62,5 @@ SOURCES += \
     $$PWD/vistoolpointofintersectionarcs.cpp \
     $$PWD/vistoolpointofintersectioncircles.cpp \
     $$PWD/vistoolpointfromcircleandtangent.cpp \
-    visualization/vistoolpointfromarcandtangent.cpp
+    $$PWD/vistoolpointfromarcandtangent.cpp \
+    $$PWD/vistoolarcwithlength.cpp

src/app/widgets/vtooloptionspropertybrowser.cpp

@@ -86,6 +86,9 @@ void VToolOptionsPropertyBrowser::ShowItemOptions(QGraphicsItem *item)
         case VToolArc::Type:
             ShowOptionsToolArc(item);
             break;
+        case VToolArcWithLength::Type:
+            ShowOptionsToolArcWithLength(item);
+            break;
         case VToolBisector::Type:
             ShowOptionsToolBisector(item);
             break;
@@ -185,6 +188,9 @@ void VToolOptionsPropertyBrowser::UpdateOptions()
         case VToolArc::Type:
             UpdateOptionsToolArc();
             break;
+        case VToolArcWithLength::Type:
+            UpdateOptionsToolArcWithLength();
+            break;
         case VToolBisector::Type:
             UpdateOptionsToolBisector();
             break;
@@ -299,6 +305,9 @@ void VToolOptionsPropertyBrowser::userChangedData(VProperty *property)
         case VToolArc::Type:
             ChangeDataToolArc(prop);
             break;
+        case VToolArcWithLength::Type:
+            ChangeDataToolArcWithLength(prop);
+            break;
         case VToolBisector::Type:
             ChangeDataToolBisector(prop);
             break;
@@ -650,6 +659,36 @@ void VToolOptionsPropertyBrowser::ChangeDataToolArc(VProperty *property)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolOptionsPropertyBrowser::ChangeDataToolArcWithLength(VProperty *property)
+{
+    SCASSERT(property != nullptr)
+
+    QVariant value = property->data(VProperty::DPC_Data, Qt::DisplayRole);
+    const QString id = propertyToId[property];
+
+    VToolArcWithLength *i = qgraphicsitem_cast<VToolArcWithLength *>(currentItem);
+    SCASSERT(i != nullptr);
+    switch (PropertiesList().indexOf(id))
+    {
+        case 8: // VAbstractTool::AttrRadius
+            i->SetFormulaRadius(value.value<VFormula>());
+            break;
+        case 9: // VAbstractTool::AttrAngle1
+            i->SetFormulaF1(value.value<VFormula>());
+            break;
+        case 4: // VAbstractTool::AttrLength
+            i->SetFormulaLength(value.value<VFormula>());
+            break;
+        case 27: // VAbstractTool::AttrTypeColor
+            i->SetLineColor(value.toString());
+            break;
+        default:
+            qWarning()<<"Unknown property type. id = "<<id;
+            break;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VToolOptionsPropertyBrowser::ChangeDataToolBisector(VProperty *property)
 {
@@ -1239,6 +1278,19 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolArc(QGraphicsItem *item)
     AddPropertyLineColor(i, tr("Color"), VAbstractTool::ColorsList(), VAbstractTool::AttrColor);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolOptionsPropertyBrowser::ShowOptionsToolArcWithLength(QGraphicsItem *item)
+{
+    VToolArcWithLength *i = qgraphicsitem_cast<VToolArcWithLength *>(item);
+    i->ShowVisualization(true);
+    formView->setTitle(tr("Arc with given length"));
+
+    AddPropertyFormula(tr("Radius"), i->GetFormulaRadius(), VAbstractTool::AttrRadius);
+    AddPropertyFormula(tr("First angle"), i->GetFormulaF1(), VAbstractTool::AttrAngle1);
+    AddPropertyFormula(tr("Length"), i->GetFormulaLength(), VAbstractTool::AttrLength);
+    AddPropertyLineColor(i, tr("Color"), VAbstractTool::ColorsList(), VAbstractTool::AttrColor);
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VToolOptionsPropertyBrowser::ShowOptionsToolBisector(QGraphicsItem *item)
 {
@@ -1555,7 +1607,6 @@ void VToolOptionsPropertyBrowser::UpdateOptionsToolArc()
 {
     VToolArc *i = qgraphicsitem_cast<VToolArc *>(currentItem);
 
-
     QVariant valueRadius;
     valueRadius.setValue(i->GetFormulaRadius());
     idToProperty[VAbstractTool::AttrRadius]->setValue(valueRadius);
@@ -1572,6 +1623,27 @@ void VToolOptionsPropertyBrowser::UpdateOptionsToolArc()
     idToProperty[VAbstractTool::AttrColor]->setValue(index);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolOptionsPropertyBrowser::UpdateOptionsToolArcWithLength()
+{
+    VToolArcWithLength *i = qgraphicsitem_cast<VToolArcWithLength *>(currentItem);
+
+    QVariant valueRadius;
+    valueRadius.setValue(i->GetFormulaRadius());
+    idToProperty[VAbstractTool::AttrRadius]->setValue(valueRadius);
+
+    QVariant valueFirstAngle;
+    valueFirstAngle.setValue(i->GetFormulaF1());
+    idToProperty[VAbstractTool::AttrAngle1]->setValue(valueFirstAngle);
+
+    QVariant valueLength;
+    valueLength.setValue(i->GetFormulaLength());
+    idToProperty[VAbstractTool::AttrLength]->setValue(valueLength);
+
+    const qint32 index = VLineColorProperty::IndexOfColor(VAbstractTool::ColorsList(), i->GetLineColor());
+    idToProperty[VAbstractTool::AttrColor]->setValue(index);
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VToolOptionsPropertyBrowser::UpdateOptionsToolBisector()
 {

src/app/widgets/vtooloptionspropertybrowser.h

@@ -92,6 +92,7 @@ private:
     void ChangeDataToolEndLine(VPE::VProperty *property);
     void ChangeDataToolAlongLine(VPE::VProperty *property);
     void ChangeDataToolArc(VPE::VProperty *property);
+    void ChangeDataToolArcWithLength(VPE::VProperty *property);
     void ChangeDataToolBisector(VPE::VProperty *property);
     void ChangeDataToolCutArc(VPE::VProperty *property);
     void ChangeDataToolCutSpline(VPE::VProperty *property);
@@ -117,6 +118,7 @@ private:
     void ShowOptionsToolEndLine(QGraphicsItem *item);
     void ShowOptionsToolAlongLine(QGraphicsItem *item);
     void ShowOptionsToolArc(QGraphicsItem *item);
+    void ShowOptionsToolArcWithLength(QGraphicsItem *item);
     void ShowOptionsToolBisector(QGraphicsItem *item);
     void ShowOptionsToolCutArc(QGraphicsItem *item);
     void ShowOptionsToolCutSpline(QGraphicsItem *item);
@@ -142,6 +144,7 @@ private:
     void UpdateOptionsToolEndLine();
     void UpdateOptionsToolAlongLine();
     void UpdateOptionsToolArc();
+    void UpdateOptionsToolArcWithLength();
     void UpdateOptionsToolBisector();
     void UpdateOptionsToolCutArc();
     void UpdateOptionsToolCutSpline();

src/app/xml/vpattern.cpp

@@ -2091,7 +2091,7 @@ void VPattern::ParseArcElement(VMainGraphicsScene *scene, QDomElement &domElemen
     Q_ASSERT_X(type.isEmpty() == false, Q_FUNC_INFO, "type of spline is empty");
 
     quint32 id = 0;
-    QStringList arcs = QStringList() << VToolArc::ToolType << VNodeArc::ToolType;
+    QStringList arcs = QStringList() << VToolArc::ToolType << VNodeArc::ToolType << VToolArcWithLength::ToolType;
 
     switch (arcs.indexOf(type))
     {
@@ -2151,6 +2151,44 @@ void VPattern::ParseArcElement(VMainGraphicsScene *scene, QDomElement &domElemen
                 throw excep;
             }
             break;
+        case 2: //VToolArcWithLength::ToolType
+            try
+            {
+                ToolsCommonAttributes(domElement, id);
+                const quint32 center = GetParametrUInt(domElement, VAbstractTool::AttrCenter, NULL_ID_STR);
+                const QString radius = GetParametrString(domElement, VAbstractTool::AttrRadius, "10");
+                QString r = radius;//need for saving fixed formula;
+                const QString f1 = GetParametrString(domElement, VAbstractTool::AttrAngle1, "180");
+                QString f1Fix = f1;//need for saving fixed formula;
+                const QString length = GetParametrString(domElement, VAbstractTool::AttrLength, "10");
+                QString lengthFix = length;//need for saving fixed length;
+                const QString color = GetParametrString(domElement, VAbstractTool::AttrColor,
+                                                        VAbstractTool::ColorBlack);
+
+                VToolArcWithLength::Create(id, center, r, f1Fix, lengthFix, color, scene, this, data, parse,
+                                           Source::FromFile);
+                //Rewrite attribute formula. Need for situation when we have wrong formula.
+                if (r != radius || f1Fix != f1 || lengthFix != length)
+                {
+                    SetAttribute(domElement, VAbstractTool::AttrRadius, r);
+                    SetAttribute(domElement, VAbstractTool::AttrAngle1, f1Fix);
+                    SetAttribute(domElement, VAbstractTool::AttrLength, lengthFix);
+                    haveLiteChange();
+                }
+            }
+            catch (const VExceptionBadId &e)
+            {
+                VExceptionObjectError excep(tr("Error creating or updating simple arc"), domElement);
+                excep.AddMoreInformation(e.ErrorMessage());
+                throw excep;
+            }
+            catch (qmu::QmuParserError &e)
+            {
+                VExceptionObjectError excep(tr("Error creating or updating simple arc"), domElement);
+                excep.AddMoreInformation(QString("Message:     " + e.GetMsg() + "\n"+ "Expression:  " + e.GetExpr()));
+                throw excep;
+            }
+            break;
         default:
             qDebug() << "Illegal arc type in VDomDocument::ParseArcElement().";
             break;

src/libs/ifc/schema/pattern/v0.1.4.xsd

@@ -153,6 +153,7 @@
 																			     <xs:attribute name="center" type="xs:unsignedInt"></xs:attribute>
 																			     <xs:attribute name="type" type="xs:string"></xs:attribute>
 																			     <xs:attribute name="color" type="colors"></xs:attribute>
+																			     <xs:attribute name="length" type="xs:string"></xs:attribute>
 																		   </xs:complexType>
 																     </xs:element>
 																     <xs:element name="spline" minOccurs="0" maxOccurs="unbounded">

src/libs/vgeometry/vabstractcurve.cpp

@@ -185,7 +185,7 @@ QPainterPath VAbstractCurve::ShowDirection(const QVector<QPointF> &points) const
     {
         /*Need find coordinate midle of curve.
           Universal way is take all points and find sum.*/
-        const qreal seek_length = GetLength()/2.0;
+        const qreal seek_length = qAbs(GetLength())/2.0;
         qreal found_length = 0;
         QLineF arrow;
         for (qint32 i = 1; i <= points.size()-1; ++i)

src/libs/vgeometry/varc.cpp

@@ -216,8 +216,7 @@ QVector<QPointF> VArc::GetPoints() const
             points.append(line.p2());
         }
     } while (i <= angle);
-    // Detail points clockwise, but arc we draw counterclockwise. Main contour need reverse.
+    return points;
-    return GetReversePoints(points);
 }
 
 //---------------------------------------------------------------------------------------------------------------------