diff --git a/ChangeLog.txt b/ChangeLog.txt
index 4fabf497c..b6fb43eec 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -54,6 +54,8 @@
 - [#526] Dialog Detail is not on top after selection second object on Mac.
 - [#532] Unexpected error occurs when zoom out image.
 - [#537] Valentina crashes when use undo command.
+- [#544] Error: Color Lines are black until touched.
+- [#543] Detail loses details.
 
 # Version 0.4.4 April 12, 2016
 - Updated measurement templates with all measurements. Added new template Aldrich/Women measurements.
diff --git a/appveyor.yml b/appveyor.yml
index 9aad5e0dc..6aad953df 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -121,7 +121,7 @@ init:
   # Path before
   - path
   - set QTDIR=C:\%QT5%
-  - set PATH=%QTDIR%\bin;C:\Tools\PsTools;C:\Windows\system32;C:\Windows;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Mercurial\
+  - set PATH=%QTDIR%\bin;%QTDIR%\include;C:\Tools\PsTools;C:\Windows\system32;C:\Windows;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Mercurial\
   # Installing various utilities
   #- if "%QMAKE_GENERATOR%" == "MinGW Makefiles" choco install -y InnoSetup
   #- if "%QMAKE_GENERATOR%" == "MinGW Makefiles" if "%PLATFORM%" == "x86" set PATH="C:\Program Files\Inno Setup 5";%PATH%
@@ -181,4 +181,6 @@ notifications:
       - dismine@gmail.com
       - susan.spencer@gmail.com
       - zhuravska19@gmail.com
+    on_build_success: false
+    on_build_failure: true
     on_build_status_changed: true
diff --git a/scripts/cppcheck.sh b/scripts/cppcheck.sh
new file mode 100755
index 000000000..c0d276445
--- /dev/null
+++ b/scripts/cppcheck.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+# This script helps run cppcheck with the same keys we have on codeship.com (except for key --platform=unix32).
+# Please, run this script from folder <root_folder>/scripts.
+
+# Because we use the last available cppcheck version usually we build it manually. 
+CPPCHECK="../../../../cppcheck/cppcheck"
+$CPPCHECK \
+          -j4 -f -q \
+          -U__INTEL_COMPILER_UPDATE \
+          -UqApp \
+          --template '{file}:{line}:{message}:{id}' \
+          --inline-suppr \
+          --platform=unix32 \
+          --std=c++11 \
+          --std=posix \
+          --enable=all \
+          --library=qt.cfg \
+          --library=std.cfg \
+          --library=posix.cfg \
+          --inconclusive \
+          --suppress=leakReturnValNotUsed:../src/app/valentina/core/vapplication.cpp \
+          --suppress=unmatchedSuppression:../src/libs/ifc/xml/vdomdocument.cpp \
+          --suppress=redundantCondition:../src/libs/vtools/tools/drawTools/toolcurve/vtoolsplinepath.cpp \
+          --suppress=unmatchedSuppression:../src/libs/vtools/tools/drawTools/toolcurve/vtoolsplinepath.cpp \
+          ../src
diff --git a/src/app/valentina/core/vapplication.cpp b/src/app/valentina/core/vapplication.cpp
index 17d1333a0..c2b303348 100644
--- a/src/app/valentina/core/vapplication.cpp
+++ b/src/app/valentina/core/vapplication.cpp
@@ -35,15 +35,15 @@
 #include "../vwidgets/vmaingraphicsview.h"
 #include "../version.h"
 #include "../vmisc/logging.h"
+#include "../vmisc/vmath.h"
 #include "../qmuparser/qmuparsererror.h"
 #include "../mainwindow.h"
 
-#include <QDebug>
+#include <QtDebug>
 #include <QDir>
 #include <QProcess>
 #include <QTemporaryFile>
 #include <QUndoStack>
-#include <QtCore/qmath.h>
 #include <QTemporaryFile>
 #include <QFile>
 #include <QStandardPaths>
diff --git a/src/app/valentina/dialogs/dialoglayoutsettings.cpp b/src/app/valentina/dialogs/dialoglayoutsettings.cpp
index 99e9ba304..df271b77c 100644
--- a/src/app/valentina/dialogs/dialoglayoutsettings.cpp
+++ b/src/app/valentina/dialogs/dialoglayoutsettings.cpp
@@ -31,12 +31,7 @@
 #include "../core/vapplication.h"
 #include "../ifc/xml/vdomdocument.h"
 #include "../vmisc/vsettings.h"
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#   include <QtMath>
-#endif
+#include "../vmisc/vmath.h"
 
 #include <QMessageBox>
 #include <QPushButton>
diff --git a/src/app/valentina/dialogs/dialogsavelayout.cpp b/src/app/valentina/dialogs/dialogsavelayout.cpp
index 8ffd7f78d..f52e30881 100644
--- a/src/app/valentina/dialogs/dialogsavelayout.cpp
+++ b/src/app/valentina/dialogs/dialogsavelayout.cpp
@@ -37,7 +37,7 @@
 #include <QFileDialog>
 #include <QMessageBox>
 #include <QProcess>
-#include <QDebug>
+#include <QtDebug>
 
 const QString baseFilenameRegExp = QStringLiteral("^[\\w\\-. ]+$");
 
diff --git a/src/app/valentina/mainwindow.cpp b/src/app/valentina/mainwindow.cpp
index dda3a33a3..227e49c6a 100644
--- a/src/app/valentina/mainwindow.cpp
+++ b/src/app/valentina/mainwindow.cpp
@@ -59,7 +59,7 @@
 #include "dialogs/vwidgetdetails.h"
 
 #include <QInputDialog>
-#include <QDebug>
+#include <QtDebug>
 #include <QMessageBox>
 #include <QShowEvent>
 #include <QScrollBar>
diff --git a/src/app/valentina/xml/vpattern.cpp b/src/app/valentina/xml/vpattern.cpp
index 5a78232f6..dae100813 100644
--- a/src/app/valentina/xml/vpattern.cpp
+++ b/src/app/valentina/xml/vpattern.cpp
@@ -41,6 +41,7 @@
 #include "../ifc/xml/vpatternconverter.h"
 #include "../vmisc/undoevent.h"
 #include "../vmisc/vsettings.h"
+#include "../vmisc/vmath.h"
 #include "../qmuparser/qmuparsererror.h"
 #include "../vgeometry/varc.h"
 #include "../vgeometry/vsplinepath.h"
@@ -53,7 +54,6 @@
 
 #include <QMessageBox>
 #include <QUndoStack>
-#include <QtCore/qmath.h>
 #include <QtNumeric>
 
 const QString VPattern::AttrReadOnly = QStringLiteral("readOnly");
diff --git a/src/libs/fervor/fvupdater.cpp b/src/libs/fervor/fvupdater.cpp
index 3ae81b1bb..9339eb5d8 100644
--- a/src/libs/fervor/fvupdater.cpp
+++ b/src/libs/fervor/fvupdater.cpp
@@ -26,7 +26,6 @@
 #include <QApplication>
 #include <QByteArray>
 #include <QDate>
-#include <QDebug>
 #include <QDesktopServices>
 #include <QLatin1String>
 #include <QMessageBox>
diff --git a/src/libs/ifc/xml/vabstractpattern.cpp b/src/libs/ifc/xml/vabstractpattern.cpp
index 723c0b177..2d1cf5568 100644
--- a/src/libs/ifc/xml/vabstractpattern.cpp
+++ b/src/libs/ifc/xml/vabstractpattern.cpp
@@ -28,7 +28,6 @@
 
 #include "vabstractpattern.h"
 
-#include <QDebug>
 #include <QDomNode>
 #include <QDomNodeList>
 #include <QLatin1String>
diff --git a/src/libs/ifc/xml/vdomdocument.cpp b/src/libs/ifc/xml/vdomdocument.cpp
index 48ce29b1d..d2499b4fd 100644
--- a/src/libs/ifc/xml/vdomdocument.cpp
+++ b/src/libs/ifc/xml/vdomdocument.cpp
@@ -47,7 +47,6 @@
 
 #include <QAbstractMessageHandler>
 #include <QByteArray>
-#include <QDebug>
 #include <QDomNodeList>
 #include <QDomText>
 #include <QFile>
diff --git a/src/libs/ifc/xml/vdomdocument.h b/src/libs/ifc/xml/vdomdocument.h
index 85bec67a9..98dbcc13b 100644
--- a/src/libs/ifc/xml/vdomdocument.h
+++ b/src/libs/ifc/xml/vdomdocument.h
@@ -30,7 +30,6 @@
 #define VDOMDOCUMENT_H
 
 #include <QCoreApplication>
-#include <QDebug>
 #include <QDomDocument>
 #include <QDomElement>
 #include <QDomNode>
diff --git a/src/libs/qmuparser/qmuparser.cpp b/src/libs/qmuparser/qmuparser.cpp
index 4d7164c87..68f8dccc3 100644
--- a/src/libs/qmuparser/qmuparser.cpp
+++ b/src/libs/qmuparser/qmuparser.cpp
@@ -21,8 +21,6 @@
 
 #include "qmuparser.h"
 
-#include <QtCore/qmath.h>
-#include <math.h>
 #include <QCoreApplication>
 #include <QStaticStringData>
 #include <QStringData>
@@ -33,6 +31,7 @@
 
 #include "qmuparserdef.h"
 #include "qmuparsererror.h"
+#include "../vmisc/vmath.h"
 
 using namespace std;
 
diff --git a/src/libs/qmuparser/qmuparserbase.cpp b/src/libs/qmuparser/qmuparserbase.cpp
index 9c3ce6603..04d87ddb5 100644
--- a/src/libs/qmuparser/qmuparserbase.cpp
+++ b/src/libs/qmuparser/qmuparserbase.cpp
@@ -21,7 +21,6 @@
 
 #include "qmuparserbase.h"
 
-#include <QDebug>
 #include <QList>
 #include <QMessageLogger>
 #include <QStack>
@@ -29,14 +28,14 @@
 #include <QTextStream>
 #include <QtDebug>
 #include <map>
-
-#include "qmudef.h"
 #ifdef QMUP_USE_OPENMP
     #include <omp.h>
 #endif
-#include <QtCore/qmath.h>
 #include <assert.h>
 
+#include "qmudef.h"
+#include "../vmisc/vmath.h"
+
 using namespace std;
 
 /**
diff --git a/src/libs/qmuparser/qmuparserbytecode.cpp b/src/libs/qmuparser/qmuparserbytecode.cpp
index 53d408a2a..0bc204bd3 100644
--- a/src/libs/qmuparser/qmuparserbytecode.cpp
+++ b/src/libs/qmuparser/qmuparserbytecode.cpp
@@ -21,9 +21,7 @@
 
 #include "qmuparserbytecode.h"
 
-#include <QtCore/qmath.h>
 #include <assert.h>
-#include <QDebug>
 #include <QMessageLogger>
 #include <QStack>
 #include <QString>
@@ -31,6 +29,7 @@
 
 #include "qmudef.h"
 #include "qmuparsererror.h"
+#include "../vmisc/vmath.h"
 
 namespace qmu
 {
diff --git a/src/libs/qmuparser/qmuparsertest.cpp b/src/libs/qmuparser/qmuparsertest.cpp
index 5426ee9d2..84cdb1128 100644
--- a/src/libs/qmuparser/qmuparsertest.cpp
+++ b/src/libs/qmuparser/qmuparsertest.cpp
@@ -21,11 +21,9 @@
 
 #include "qmuparsertest.h"
 
-#include <math.h>
 #include <stdio.h>
 #include <QChar>
 #include <QCoreApplication>
-#include <QDebug>
 #include <QMessageLogger>
 #include <QString>
 #include <QtDebug>
@@ -41,6 +39,7 @@
 #include "qmudef.h"
 #include "qmuparser.h"
 #include "qmuparsererror.h"
+#include "../vmisc/vmath.h"
 
 using namespace std;
 
diff --git a/src/libs/qmuparser/qmuparsertokenreader.cpp b/src/libs/qmuparser/qmuparsertokenreader.cpp
index 6fe8f40db..bfafef72c 100644
--- a/src/libs/qmuparser/qmuparsertokenreader.cpp
+++ b/src/libs/qmuparser/qmuparsertokenreader.cpp
@@ -23,7 +23,6 @@
 
 #include <assert.h>
 #include <QCharRef>
-#include <QDebug>
 #include <QList>
 #include <QMessageLogger>
 #include <QStringList>
diff --git a/src/libs/vdxf/dxflib/dl_extrusion.h b/src/libs/vdxf/dxflib/dl_extrusion.h
index 46eb8bdff..dcde7bcdd 100644
--- a/src/libs/vdxf/dxflib/dl_extrusion.h
+++ b/src/libs/vdxf/dxflib/dl_extrusion.h
@@ -27,8 +27,7 @@
 
 #include "dl_global.h"
 
-#include <math.h>
-
+#include "../vmisc/vmath.h"
 
 /**
  * Storing and passing around attributes. Attributes
@@ -103,7 +102,7 @@ public:
     /**
      * @param dir vector.
      */
-    void getDirection(double dir[]) const 
+    void getDirection(double dir[]) const
     {
         dir[0]=direction[0];
         dir[1]=direction[1];
diff --git a/src/libs/vdxf/vdxfengine.cpp b/src/libs/vdxf/vdxfengine.cpp
index ea570f5ea..c16932982 100644
--- a/src/libs/vdxf/vdxfengine.cpp
+++ b/src/libs/vdxf/vdxfengine.cpp
@@ -28,11 +28,9 @@
 
 #include "vdxfengine.h"
 
-#include <math.h>
 #include <QByteArray>
 #include <QColor>
 #include <QDateTime>
-#include <QDebug>
 #include <QFlag>
 #include <QFlags>
 #include <QFont>
@@ -49,6 +47,7 @@
 
 #include "../vmisc/def.h"
 #include "../vmisc/diagnostic.h"
+#include "../vmisc/vmath.h"
 #include "dxflib/dl_attributes.h"
 #include "dxflib/dl_codes.h"
 #include "dxflib/dl_dxf.h"
@@ -65,11 +64,6 @@ class QPolygonF;
 class QRect;
 class QRectF;
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
-
 //---------------------------------------------------------------------------------------------------------------------
 static inline QPaintEngine::PaintEngineFeatures svgEngineFeatures()
 {
diff --git a/src/libs/vformat/vmeasurements.cpp b/src/libs/vformat/vmeasurements.cpp
index b6325cf36..a7c4857ec 100644
--- a/src/libs/vformat/vmeasurements.cpp
+++ b/src/libs/vformat/vmeasurements.cpp
@@ -30,7 +30,6 @@
 
 #include <qnumeric.h>
 #include <QDate>
-#include <QDebug>
 #include <QDomNode>
 #include <QDomNodeList>
 #include <QDomText>
diff --git a/src/libs/vgeometry/vabstractcubicbezier.cpp b/src/libs/vgeometry/vabstractcubicbezier.cpp
index 5d658a7ec..35179a844 100644
--- a/src/libs/vgeometry/vabstractcubicbezier.cpp
+++ b/src/libs/vgeometry/vabstractcubicbezier.cpp
@@ -28,14 +28,13 @@
 
 #include "vabstractcubicbezier.h"
 
-#include <math.h>
-#include <QDebug>
 #include <QLineF>
 #include <QMessageLogger>
 #include <QPoint>
 #include <QtDebug>
 
 #include "../vmisc/def.h"
+#include "../vmisc/vmath.h"
 #include "../vgeometry/vpointf.h"
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/libs/vgeometry/vabstractcurve.cpp b/src/libs/vgeometry/vabstractcurve.cpp
index 6e05af017..d50762799 100644
--- a/src/libs/vgeometry/vabstractcurve.cpp
+++ b/src/libs/vgeometry/vabstractcurve.cpp
@@ -28,7 +28,6 @@
 
 #include "vabstractcurve.h"
 
-#include <QDebug>
 #include <QLine>
 #include <QLineF>
 #include <QMessageLogger>
diff --git a/src/libs/vgeometry/varc.cpp b/src/libs/vgeometry/varc.cpp
index 5d3cb083f..56b1f18e4 100644
--- a/src/libs/vgeometry/varc.cpp
+++ b/src/libs/vgeometry/varc.cpp
@@ -28,11 +28,11 @@
 
 #include "varc.h"
 
-#include <QtCore/qmath.h>
 #include <QLineF>
 #include <QPointF>
 
 #include "../vmisc/def.h"
+#include "../vmisc/vmath.h"
 #include "../ifc/ifcdef.h"
 #include "vabstractcurve.h"
 #include "varc_p.h"
diff --git a/src/libs/vgeometry/vcubicbezier_p.h b/src/libs/vgeometry/vcubicbezier_p.h
index f94c6931f..548b9ea21 100644
--- a/src/libs/vgeometry/vcubicbezier_p.h
+++ b/src/libs/vgeometry/vcubicbezier_p.h
@@ -31,11 +31,11 @@
 
 #include <QSharedData>
 #include <QLineF>
-#include <QtCore/qmath.h>
 
 #include "vpointf.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/diagnostic.h"
+#include "../vmisc/vmath.h"
 
 QT_WARNING_PUSH
 QT_WARNING_DISABLE_GCC("-Weffc++")
diff --git a/src/libs/vgeometry/vcubicbezierpath.cpp b/src/libs/vgeometry/vcubicbezierpath.cpp
index 3ec8acbd2..496354a8a 100644
--- a/src/libs/vgeometry/vcubicbezierpath.cpp
+++ b/src/libs/vgeometry/vcubicbezierpath.cpp
@@ -28,21 +28,16 @@
 
 #include "vcubicbezierpath.h"
 
-#include <qmath.h>
 #include <QLineF>
 #include <QPoint>
 
 #include "../ifc/exception/vexception.h"
+#include "../vmisc/vmath.h"
 #include "vabstractcurve.h"
 #include "vcubicbezierpath_p.h"
 #include "vspline.h"
 #include "vsplinepoint.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
-
 //---------------------------------------------------------------------------------------------------------------------
 VCubicBezierPath::VCubicBezierPath(quint32 idObject, Draw mode)
     : VAbstractCubicBezierPath(GOType::CubicBezierPath, idObject, mode),
diff --git a/src/libs/vgeometry/vellipticalarc.cpp b/src/libs/vgeometry/vellipticalarc.cpp
index f58a89dbd..ce2dab7cf 100644
--- a/src/libs/vgeometry/vellipticalarc.cpp
+++ b/src/libs/vgeometry/vellipticalarc.cpp
@@ -28,12 +28,11 @@
 
 #include "vellipticalarc.h"
 
-#include <QtCore/qmath.h>
-#include <math.h>
 #include <QLineF>
 #include <QPoint>
 
 #include "../vmisc/def.h"
+#include "../vmisc/vmath.h"
 #include "../ifc/ifcdef.h"
 #include "../vmisc/vabstractapplication.h"
 #include "vabstractcurve.h"
diff --git a/src/libs/vgeometry/vgobject.cpp b/src/libs/vgeometry/vgobject.cpp
index d5c1e8bdc..e9e91f1cd 100644
--- a/src/libs/vgeometry/vgobject.cpp
+++ b/src/libs/vgeometry/vgobject.cpp
@@ -28,8 +28,6 @@
 
 #include "vgobject.h"
 
-#include <QtCore/qmath.h>
-#include <math.h>
 #include <QLine>
 #include <QLineF>
 #include <QPoint>
@@ -37,9 +35,12 @@
 #include <QRectF>
 
 #include "../vmisc/def.h"
+#include "../vmisc/vmath.h"
 #include "../ifc/ifcdef.h"
 #include "vgobject_p.h"
 
+double VGObject::accuracyPointOnLine = (0.5/*mm*/ / 25.4) * PrintDPI;
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief VGObject default constructor.
@@ -505,14 +506,16 @@ double VGObject::PerpDotProduct(const QPointF &p1, const QPointF &p2, const QPoi
  * There is the floating-point accuraccy problem, so instead of checking against zero, some epsilon value has to be
  * used. Because the size of the pdp value depends on the length of the vectors, no static value can be used. One
  * approach is to compare the pdp/area value to the fraction of another area which also depends on the length of the
- * line e1=(p1, p2), e.g. the area of the square with side e1 which is computed below
+ * line e1=(p1, p2), e.g. the minimal area calucalted with PerpDotProduc() if point still not on the line. This distance
+ * is controled by variable accuracyPointOnLine
  */
 double VGObject::GetEpsilon(const QPointF &p1, const QPointF &p2)
 {
-    const double dx1 = p2.x() - p1.x();
-    const double dy1 = p2.y() - p1.y();
-    const double epsilon = 0.06 * (dx1 * dx1 + dy1 * dy1); //-V636
-    return epsilon;
+    QLineF line(p1, p2);
+    line.setAngle(line.angle() + 90);
+    line.setLength(accuracyPointOnLine); // less than accuracy means the same point
+
+    return qAbs(PerpDotProduct(p1, p2, line.p2()));
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/libs/vgeometry/vgobject.h b/src/libs/vgeometry/vgobject.h
index ba8f8625a..19a6ddc18 100644
--- a/src/libs/vgeometry/vgobject.h
+++ b/src/libs/vgeometry/vgobject.h
@@ -91,6 +91,8 @@ public:
 
     static QVector<QPointF> GetReversePoints(const QVector<QPointF> &points);
     static int GetLengthContour(const QVector<QPointF> &contour, const QVector<QPointF> &newPoints);
+
+    static double accuracyPointOnLine;
 private:
     QSharedDataPointer<VGObjectData> d;
 
diff --git a/src/libs/vgeometry/vspline.cpp b/src/libs/vgeometry/vspline.cpp
index 4ad845f8f..b4834b796 100644
--- a/src/libs/vgeometry/vspline.cpp
+++ b/src/libs/vgeometry/vspline.cpp
@@ -28,11 +28,11 @@
 
 #include "vspline.h"
 
-#include <math.h>
 #include <QLineF>
 
 #include "vabstractcurve.h"
 #include "vspline_p.h"
+#include "../vmisc/vmath.h"
 
 class QPointF;
 
diff --git a/src/libs/vgeometry/vspline_p.h b/src/libs/vgeometry/vspline_p.h
index 43d8fb532..8ff0535d4 100644
--- a/src/libs/vgeometry/vspline_p.h
+++ b/src/libs/vgeometry/vspline_p.h
@@ -31,10 +31,10 @@
 
 #include <QSharedData>
 #include <QLineF>
-#include <QtCore/qmath.h>
 
 #include "vpointf.h"
 #include "../vmisc/vabstractapplication.h"
+#include "../vmisc/vmath.h"
 
 QT_WARNING_PUSH
 QT_WARNING_DISABLE_GCC("-Weffc++")
diff --git a/src/libs/vgeometry/vsplinepath.cpp b/src/libs/vgeometry/vsplinepath.cpp
index 99bdffc71..e3376b348 100644
--- a/src/libs/vgeometry/vsplinepath.cpp
+++ b/src/libs/vgeometry/vsplinepath.cpp
@@ -31,14 +31,10 @@
 #include <QPoint>
 
 #include "../ifc/exception/vexception.h"
+#include "../vmisc/vmath.h"
 #include "vabstractcurve.h"
 #include "vsplinepath_p.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
-
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief VSplinePath constructor.
diff --git a/src/libs/vgeometry/vsplinepoint_p.h b/src/libs/vgeometry/vsplinepoint_p.h
index 3addb8385..980083196 100644
--- a/src/libs/vgeometry/vsplinepoint_p.h
+++ b/src/libs/vgeometry/vsplinepoint_p.h
@@ -30,7 +30,7 @@
 #define VSPLINEPOINT_P_H
 
 #include <QSharedData>
-#include <QDebug>
+#include <QtDebug>
 
 #include "vpointf.h"
 #include "../vmisc/def.h"
diff --git a/src/libs/vlayout/vabstractdetail.cpp b/src/libs/vlayout/vabstractdetail.cpp
index 9f8f55f77..ab84771bc 100644
--- a/src/libs/vlayout/vabstractdetail.cpp
+++ b/src/libs/vlayout/vabstractdetail.cpp
@@ -28,7 +28,6 @@
 
 #include "vabstractdetail.h"
 
-#include <QDebug>
 #include <QLine>
 #include <QLineF>
 #include <QMessageLogger>
diff --git a/src/libs/vlayout/vcontour.cpp b/src/libs/vlayout/vcontour.cpp
index b5ccd2b80..3a703081f 100644
--- a/src/libs/vlayout/vcontour.cpp
+++ b/src/libs/vlayout/vcontour.cpp
@@ -28,7 +28,6 @@
 
 #include "vcontour.h"
 
-#include <qmath.h>
 #include <QLineF>
 #include <QPainterPath>
 #include <QPoint>
@@ -39,11 +38,7 @@
 
 #include "vcontour_p.h"
 #include "vlayoutdetail.h"
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
+#include "../vmisc/vmath.h"
 
 //---------------------------------------------------------------------------------------------------------------------
 VContour::VContour()
diff --git a/src/libs/vlayout/vlayoutdetail.cpp b/src/libs/vlayout/vlayoutdetail.cpp
index 62e300bed..fc4de3307 100644
--- a/src/libs/vlayout/vlayoutdetail.cpp
+++ b/src/libs/vlayout/vlayoutdetail.cpp
@@ -28,8 +28,6 @@
 
 #include "vlayoutdetail.h"
 
-#include <math.h>
-#include <qmath.h>
 #include <QBrush>
 #include <QFlags>
 #include <QFont>
@@ -47,6 +45,7 @@
 
 #include "../vpatterndb/vpatterninfogeometry.h"
 #include "../vpatterndb/vpatternpiecedata.h"
+#include "../vmisc/vmath.h"
 #include "vlayoutdef.h"
 #include "vlayoutdetail_p.h"
 #include "vtextmanager.h"
@@ -55,13 +54,6 @@ class QGraphicsPathItem;
 class QLineF;
 class VAbstractPattern;
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
-
-#include <QDebug>
-
 //---------------------------------------------------------------------------------------------------------------------
 VLayoutDetail::VLayoutDetail()
     :VAbstractDetail(), d(new VLayoutDetailData)
diff --git a/src/libs/vlayout/vlayoutgenerator.cpp b/src/libs/vlayout/vlayoutgenerator.cpp
index 5b5201403..ed0359639 100644
--- a/src/libs/vlayout/vlayoutgenerator.cpp
+++ b/src/libs/vlayout/vlayoutgenerator.cpp
@@ -28,12 +28,12 @@
 
 #include "vlayoutgenerator.h"
 
-#include <QtCore/qmath.h>
 #include <QGraphicsRectItem>
 #include <QRectF>
 #include <QThreadPool>
 
 #include "../vmisc/def.h"
+#include "../vmisc/vmath.h"
 #include "vlayoutdetail.h"
 #include "vlayoutpaper.h"
 
diff --git a/src/libs/vlayout/vposition.cpp b/src/libs/vlayout/vposition.cpp
index 0cabd0e84..c1288551d 100644
--- a/src/libs/vlayout/vposition.cpp
+++ b/src/libs/vlayout/vposition.cpp
@@ -28,7 +28,6 @@
 
 #include "vposition.h"
 
-#include <qmath.h>
 #include <QDir>
 #include <QImage>
 #include <QLineF>
@@ -48,11 +47,7 @@
 #include <Qt>
 
 #include "../vmisc/def.h"
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
+#include "../vmisc/vmath.h"
 
 //---------------------------------------------------------------------------------------------------------------------
 VPosition::VPosition(const VContour &gContour, int j, const VLayoutDetail &detail, int i, volatile bool *stop,
diff --git a/src/libs/vlayout/vposter.cpp b/src/libs/vlayout/vposter.cpp
index 7378add1d..d413ab148 100644
--- a/src/libs/vlayout/vposter.cpp
+++ b/src/libs/vlayout/vposter.cpp
@@ -28,7 +28,6 @@
 
 #include "vposter.h"
 
-#include <qmath.h>
 #include <QGraphicsLineItem>
 #include <QGraphicsPixmapItem>
 #include <QGraphicsTextItem>
@@ -40,11 +39,7 @@
 #include <QVector>
 #include <Qt>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
-
+#include "../vmisc/vmath.h"
 #include "../vmisc/def.h"
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/libs/vmisc/backport/qmarginsf.cpp b/src/libs/vmisc/backport/qmarginsf.cpp
index 9569b016f..8b3be1d22 100644
--- a/src/libs/vmisc/backport/qmarginsf.cpp
+++ b/src/libs/vmisc/backport/qmarginsf.cpp
@@ -36,7 +36,7 @@
 #include <QDebugStateSaver>
 #if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
 #include <QDataStream>
-#include <QDebug>
+#include <QtDebug>
 
 /*!
     \class QMarginsF
diff --git a/src/libs/vmisc/def.cpp b/src/libs/vmisc/def.cpp
index e5c7c22b9..d029584c9 100644
--- a/src/libs/vmisc/def.cpp
+++ b/src/libs/vmisc/def.cpp
@@ -33,7 +33,6 @@
 #include <QColor>
 #include <QComboBox>
 #include <QCursor>
-#include <QDebug>
 #include <QDir>
 #include <QFileInfo>
 #include <QGuiApplication>
diff --git a/src/libs/vmisc/vabstractapplication.cpp b/src/libs/vmisc/vabstractapplication.cpp
index 071ebb3fd..a25060989 100644
--- a/src/libs/vmisc/vabstractapplication.cpp
+++ b/src/libs/vmisc/vabstractapplication.cpp
@@ -28,7 +28,6 @@
 
 #include "vabstractapplication.h"
 
-#include <QDebug>
 #include <QDir>
 #include <QLibraryInfo>
 #include <QLoggingCategory>
diff --git a/src/libs/vmisc/vcommonsettings.cpp b/src/libs/vmisc/vcommonsettings.cpp
index 253ac8723..5d6e6818b 100644
--- a/src/libs/vmisc/vcommonsettings.cpp
+++ b/src/libs/vmisc/vcommonsettings.cpp
@@ -30,7 +30,6 @@
 
 #include <QApplication>
 #include <QDate>
-#include <QDebug>
 #include <QDir>
 #include <QLocale>
 #include <QMessageLogger>
@@ -41,14 +40,10 @@
 #include <QtDebug>
 
 #include "../vmisc/def.h"
+#include "../vmisc/vmath.h"
 
 class QDate;
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
-
 const QString VCommonSettings::SettingPathsIndividualMeasurements     = QStringLiteral("paths/individual_measurements");
 const QString VCommonSettings::SettingPathsStandardMeasurements       = QStringLiteral("paths/standard_measurements");
 const QString VCommonSettings::SettingPathsTemplates                  = QStringLiteral("paths/templates");
diff --git a/src/libs/vmisc/vmath.h b/src/libs/vmisc/vmath.h
index 77f02a9a7..2cda433fe 100644
--- a/src/libs/vmisc/vmath.h
+++ b/src/libs/vmisc/vmath.h
@@ -18,10 +18,12 @@
 **
 ****************************************************************************/
 
-#ifndef QMATH_H
-#define QMATH_H
+#ifndef VMATH_H
+#define VMATH_H
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
+#if QT_VERSION >= QT_VERSION_CHECK(5, 1, 0)
+#include <QtMath>
+#else
 
 #if 0
 #pragma qt_class(QtMath)
diff --git a/src/libs/vmisc/vsettings.cpp b/src/libs/vmisc/vsettings.cpp
index 3075605a6..a00f73bed 100644
--- a/src/libs/vmisc/vsettings.cpp
+++ b/src/libs/vmisc/vsettings.cpp
@@ -39,14 +39,10 @@
 #include <QVariant>
 
 #include "../vmisc/def.h"
+#include "../vmisc/vmath.h"
 
 class QMarginsF;
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
-
 Q_DECLARE_METATYPE(QMarginsF)
 
 const QString VSettings::SettingConfigurationLabelLanguage       = QStringLiteral("configuration/label_language");
diff --git a/src/libs/vobj/vobjengine.cpp b/src/libs/vobj/vobjengine.cpp
index ddd1e0954..0a402c99b 100644
--- a/src/libs/vobj/vobjengine.cpp
+++ b/src/libs/vobj/vobjengine.cpp
@@ -28,9 +28,7 @@
 
 #include "vobjengine.h"
 
-#include <qmath.h>
 #include <QByteArray>
-#include <QDebug>
 #include <QFlag>
 #include <QFlags>
 #include <QIODevice>
@@ -45,6 +43,7 @@
 #include <QtDebug>
 
 #include "../vmisc/diagnostic.h"
+#include "../vmisc/vmath.h"
 
 class QPaintDevice;
 class QPixmap;
@@ -53,11 +52,6 @@ class QPointF;
 class QPolygonF;
 class QRectF;
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
-
 #ifdef Q_CC_MSVC
     #include <ciso646>
 #endif /* Q_CC_MSVC */
diff --git a/src/libs/vpatterndb/variables/vlineangle.cpp b/src/libs/vpatterndb/variables/vlineangle.cpp
index 6b117fb89..9f92841e8 100644
--- a/src/libs/vpatterndb/variables/vlineangle.cpp
+++ b/src/libs/vpatterndb/variables/vlineangle.cpp
@@ -28,23 +28,18 @@
 
 #include "vlineangle.h"
 
-#include <qmath.h>
 #include <QLineF>
 #include <QMessageLogger>
 #include <QPointF>
 #include <QString>
 
 #include "../vmisc/def.h"
+#include "../vmisc/vmath.h"
 #include "../ifc/ifcdef.h"
 #include "../vgeometry/vpointf.h"
 #include "vinternalvariable.h"
 #include "vlineangle_p.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
-
 //---------------------------------------------------------------------------------------------------------------------
 VLineAngle::VLineAngle()
     :VInternalVariable(), d(new VLineAngleData)
diff --git a/src/libs/vpatterndb/variables/vmeasurement.cpp b/src/libs/vpatterndb/variables/vmeasurement.cpp
index 5fb7cb92c..3125cd142 100644
--- a/src/libs/vpatterndb/variables/vmeasurement.cpp
+++ b/src/libs/vpatterndb/variables/vmeasurement.cpp
@@ -28,7 +28,6 @@
 
 #include "vmeasurement.h"
 
-#include <QDebug>
 #include <QMap>
 #include <QMessageLogger>
 #include <QtDebug>
diff --git a/src/libs/vpatterndb/vcontainer.cpp b/src/libs/vpatterndb/vcontainer.cpp
index ac29c42b5..fb85a8d8a 100644
--- a/src/libs/vpatterndb/vcontainer.cpp
+++ b/src/libs/vpatterndb/vcontainer.cpp
@@ -29,7 +29,6 @@
 #include "vcontainer.h"
 
 #include <limits.h>
-#include <QDebug>
 #include <QLoggingCategory>
 #include <QVector>
 #include <QtDebug>
diff --git a/src/libs/vpatterndb/vdetail.cpp b/src/libs/vpatterndb/vdetail.cpp
index 2fecbef00..555f54a83 100644
--- a/src/libs/vpatterndb/vdetail.cpp
+++ b/src/libs/vpatterndb/vdetail.cpp
@@ -28,7 +28,6 @@
 
 #include "vdetail.h"
 
-#include <QDebug>
 #include <QList>
 #include <QMessageLogger>
 #include <QPainterPath>
diff --git a/src/libs/vpatterndb/vformula.cpp b/src/libs/vpatterndb/vformula.cpp
index 794bccc27..e754549eb 100644
--- a/src/libs/vpatterndb/vformula.cpp
+++ b/src/libs/vpatterndb/vformula.cpp
@@ -29,7 +29,6 @@
 #include "vformula.h"
 
 #include <qnumeric.h>
-#include <QDebug>
 #include <QMessageLogger>
 #include <QScopedPointer>
 #include <QtDebug>
diff --git a/src/libs/vpatterndb/vtranslatevars.cpp b/src/libs/vpatterndb/vtranslatevars.cpp
index 299a9f1f2..62c66aa23 100644
--- a/src/libs/vpatterndb/vtranslatevars.cpp
+++ b/src/libs/vpatterndb/vtranslatevars.cpp
@@ -28,7 +28,6 @@
 
 #include "vtranslatevars.h"
 
-#include <QDebug>
 #include <QList>
 #include <QLocale>
 #include <QMap>
diff --git a/src/libs/vtools/dialogs/tools/dialogcubicbezierpath.cpp b/src/libs/vtools/dialogs/tools/dialogcubicbezierpath.cpp
index 48b8efc8e..194415fb6 100644
--- a/src/libs/vtools/dialogs/tools/dialogcubicbezierpath.cpp
+++ b/src/libs/vtools/dialogs/tools/dialogcubicbezierpath.cpp
@@ -48,6 +48,7 @@
 #include "../../visualization/visualization.h"
 #include "../ifc/ifcdef.h"
 #include "../vmisc/vabstractapplication.h"
+#include "../vmisc/vmath.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../vwidgets/vabstractmainwindow.h"
 #include "dialogtool.h"
@@ -55,11 +56,6 @@
 
 class QWidget;
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
-
 //---------------------------------------------------------------------------------------------------------------------
 DialogCubicBezierPath::DialogCubicBezierPath(const VContainer *data, const quint32 &toolId, QWidget *parent)
     : DialogTool(data, toolId, parent),
diff --git a/src/libs/vtools/dialogs/tools/dialogdetail.cpp b/src/libs/vtools/dialogs/tools/dialogdetail.cpp
index da8b9e7c4..fc53e805e 100644
--- a/src/libs/vtools/dialogs/tools/dialogdetail.cpp
+++ b/src/libs/vtools/dialogs/tools/dialogdetail.cpp
@@ -32,7 +32,6 @@
 #include <QByteArray>
 #include <QCheckBox>
 #include <QComboBox>
-#include <QDebug>
 #include <QDialogButtonBox>
 #include <QDoubleSpinBox>
 #include <QFlags>
diff --git a/src/libs/vtools/dialogs/tools/dialogtool.cpp b/src/libs/vtools/dialogs/tools/dialogtool.cpp
index cb9b4632c..c4090d21f 100644
--- a/src/libs/vtools/dialogs/tools/dialogtool.cpp
+++ b/src/libs/vtools/dialogs/tools/dialogtool.cpp
@@ -33,7 +33,6 @@
 #include <qnumeric.h>
 #include <QCloseEvent>
 #include <QComboBox>
-#include <QDebug>
 #include <QDoubleSpinBox>
 #include <QEvent>
 #include <QHash>
diff --git a/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.cpp b/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.cpp
index 5f9f01134..a4943d1a9 100644
--- a/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.cpp
+++ b/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.cpp
@@ -28,8 +28,6 @@
 
 #include "vtoolspline.h"
 
-#include <math.h>
-#include <qmath.h>
 #include <QDomElement>
 #include <QEvent>
 #include <QFlags>
@@ -63,6 +61,7 @@
 #include "../vgeometry/vpointf.h"
 #include "../vgeometry/vspline.h"
 #include "../vmisc/vabstractapplication.h"
+#include "../vmisc/vmath.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../vwidgets/vcontrolpointspline.h"
 #include "../vwidgets/vmaingraphicsscene.h"
@@ -75,11 +74,6 @@ class QGraphicsSceneContextMenuEvent;
 class QGraphicsSceneHoverEvent;
 class QGraphicsSceneMouseEvent;
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
-
 const QString VToolSpline::ToolType = QStringLiteral("simpleInteractive");
 const QString VToolSpline::OldToolType = QStringLiteral("simple");
 
diff --git a/src/libs/vtools/tools/drawTools/toolcurve/vtoolsplinepath.cpp b/src/libs/vtools/tools/drawTools/toolcurve/vtoolsplinepath.cpp
index 9f224c40f..e58082042 100644
--- a/src/libs/vtools/tools/drawTools/toolcurve/vtoolsplinepath.cpp
+++ b/src/libs/vtools/tools/drawTools/toolcurve/vtoolsplinepath.cpp
@@ -28,8 +28,6 @@
 
 #include "vtoolsplinepath.h"
 
-#include <math.h>
-#include <qmath.h>
 #include <QDomElement>
 #include <QEvent>
 #include <QFlags>
@@ -67,6 +65,7 @@
 #include "../vgeometry/vspline.h"
 #include "../vgeometry/vsplinepoint.h"
 #include "../vmisc/vabstractapplication.h"
+#include "../vmisc/vmath.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../vwidgets/../vgeometry/vsplinepath.h"
 #include "../vwidgets/vcontrolpointspline.h"
@@ -80,11 +79,6 @@ class QGraphicsSceneContextMenuEvent;
 class QGraphicsSceneHoverEvent;
 class QGraphicsSceneMouseEvent;
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
-#   include "../vmisc/vmath.h"
-#else
-#endif
-
 const QString VToolSplinePath::ToolType = QStringLiteral("pathInteractive");
 const QString VToolSplinePath::OldToolType = QStringLiteral("path");
 
diff --git a/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/toollinepoint/vtoollinepoint.cpp b/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/toollinepoint/vtoollinepoint.cpp
index cf3cfa868..1fd55fba5 100644
--- a/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/toollinepoint/vtoollinepoint.cpp
+++ b/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/toollinepoint/vtoollinepoint.cpp
@@ -76,7 +76,8 @@ VToolLinePoint::VToolLinePoint(VAbstractPattern *doc, VContainer *data, const qu
     QPointF point1 = *data->GeometricObject<VPointF>(basePointId);
     QPointF point2 = *data->GeometricObject<VPointF>(id);
     mainLine = new QGraphicsLineItem(QLineF(point1 - point2, QPointF()), this);
-    mainLine->setPen(QPen(Qt::black, qApp->toPixel(WidthHairLine(*VAbstractTool::data.GetPatternUnit()))/factor,
+    mainLine->setPen(QPen(CorrectColor(lineColor),
+                          qApp->toPixel(WidthHairLine(*VAbstractTool::data.GetPatternUnit()))/factor,
                           LineStyleToPenStyle(typeLine)));
     mainLine->setFlag(QGraphicsItem::ItemStacksBehindParent, true);
 }
@@ -93,7 +94,7 @@ VToolLinePoint::~VToolLinePoint()
  */
 void VToolLinePoint::RefreshGeometry()
 {
-    mainLine->setPen(QPen(CorrectColor(QColor(lineColor)),
+    mainLine->setPen(QPen(CorrectColor(lineColor),
                           qApp->toPixel(WidthHairLine(*VAbstractTool::data.GetPatternUnit()))/factor,
                           LineStyleToPenStyle(typeLine)));
     VToolSinglePoint::RefreshPointGeometry(*VDrawTool::data.GeometricObject<VPointF>(id));
diff --git a/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/toollinepoint/vtoolshoulderpoint.cpp b/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/toollinepoint/vtoolshoulderpoint.cpp
index c10126dc9..7a5bb7d55 100644
--- a/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/toollinepoint/vtoolshoulderpoint.cpp
+++ b/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/toollinepoint/vtoolshoulderpoint.cpp
@@ -28,7 +28,6 @@
 
 #include "vtoolshoulderpoint.h"
 
-#include <QDebug>
 #include <QLineF>
 #include <QMessageLogger>
 #include <QSharedPointer>
diff --git a/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/vtoolpointofcontact.cpp b/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/vtoolpointofcontact.cpp
index d63a3f884..e604a4a46 100644
--- a/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/vtoolpointofcontact.cpp
+++ b/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/vtoolpointofcontact.cpp
@@ -28,7 +28,6 @@
 
 #include "vtoolpointofcontact.h"
 
-#include <QDebug>
 #include <QLineF>
 #include <QMessageLogger>
 #include <QSharedPointer>
diff --git a/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/vtooltriangle.cpp b/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/vtooltriangle.cpp
index 9424f58b5..5933c03f0 100644
--- a/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/vtooltriangle.cpp
+++ b/src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/vtooltriangle.cpp
@@ -28,7 +28,6 @@
 
 #include "vtooltriangle.h"
 
-#include <QtCore/qmath.h>
 #include <QLine>
 #include <QLineF>
 #include <QSharedPointer>
@@ -50,6 +49,7 @@
 #include "../../../vabstracttool.h"
 #include "../../vdrawtool.h"
 #include "vtoolsinglepoint.h"
+#include "../vmisc/vmath.h"
 
 class QDomElement;
 class QGraphicsSceneContextMenuEvent;
diff --git a/src/libs/vtools/tools/drawTools/vdrawtool.cpp b/src/libs/vtools/tools/drawTools/vdrawtool.cpp
index f51128217..2cdb5fc2f 100644
--- a/src/libs/vtools/tools/drawTools/vdrawtool.cpp
+++ b/src/libs/vtools/tools/drawTools/vdrawtool.cpp
@@ -29,7 +29,6 @@
 #include "vdrawtool.h"
 
 #include <qnumeric.h>
-#include <QDebug>
 #include <QDialog>
 #include <QDomNode>
 #include <QMessageLogger>
diff --git a/src/libs/vtools/tools/drawTools/vtoolline.cpp b/src/libs/vtools/tools/drawTools/vtoolline.cpp
index d635858f5..7c9eeb849 100644
--- a/src/libs/vtools/tools/drawTools/vtoolline.cpp
+++ b/src/libs/vtools/tools/drawTools/vtoolline.cpp
@@ -28,7 +28,6 @@
 
 #include "vtoolline.h"
 
-#include <QDebug>
 #include <QKeyEvent>
 #include <QLineF>
 #include <QMessageLogger>
@@ -85,7 +84,8 @@ VToolLine::VToolLine(VAbstractPattern *doc, VContainer *data, quint32 id, quint3
     this->setFlag(QGraphicsItem::ItemStacksBehindParent, true);
     this->setFlag(QGraphicsItem::ItemIsFocusable, true);// For keyboard input focus
     this->setAcceptHoverEvents(true);
-    this->setPen(QPen(Qt::black, qApp->toPixel(WidthHairLine(*VAbstractTool::data.GetPatternUnit()))/factor,
+    this->setPen(QPen(CorrectColor(lineColor),
+                      qApp->toPixel(WidthHairLine(*VAbstractTool::data.GetPatternUnit()))/factor,
                       LineStyleToPenStyle(typeLine)));
 
     ToolCreation(typeCreation);
@@ -233,7 +233,7 @@ void VToolLine::Disable(bool disable, const QString &namePP)
 {
     enabled = !CorrectDisable(disable, namePP);
     this->setEnabled(enabled);
-    this->setPen(QPen(CorrectColor(baseColor),
+    this->setPen(QPen(CorrectColor(lineColor),
                       qApp->toPixel(WidthHairLine(*VAbstractTool::data.GetPatternUnit()))/factor,
                       LineStyleToPenStyle(typeLine)));
 }
diff --git a/src/libs/vtools/tools/vtextgraphicsitem.cpp b/src/libs/vtools/tools/vtextgraphicsitem.cpp
index 75d3b8b01..7a491b4e6 100644
--- a/src/libs/vtools/tools/vtextgraphicsitem.cpp
+++ b/src/libs/vtools/tools/vtextgraphicsitem.cpp
@@ -26,8 +26,6 @@
  **
  *************************************************************************/
 
-#include <math.h>
-#include <qmath.h>
 #include <QColor>
 #include <QFlags>
 #include <QFont>
@@ -41,6 +39,7 @@
 #include <Qt>
 
 #include "../vmisc/def.h"
+#include "../vmisc/vmath.h"
 #include "vtextgraphicsitem.h"
 
 class QGraphicsSceneHoverEvent;
diff --git a/src/libs/vtools/tools/vtooldetail.cpp b/src/libs/vtools/tools/vtooldetail.cpp
index fc31d3272..92d3e8328 100644
--- a/src/libs/vtools/tools/vtooldetail.cpp
+++ b/src/libs/vtools/tools/vtooldetail.cpp
@@ -30,7 +30,6 @@
 
 #include <QAction>
 #include <QBrush>
-#include <QDebug>
 #include <QDialog>
 #include <QDomElement>
 #include <QEvent>
diff --git a/src/libs/vtools/tools/vtooluniondetails.cpp b/src/libs/vtools/tools/vtooluniondetails.cpp
index 785171f60..2fb3b036d 100644
--- a/src/libs/vtools/tools/vtooluniondetails.cpp
+++ b/src/libs/vtools/tools/vtooluniondetails.cpp
@@ -29,7 +29,6 @@
 #include "vtooluniondetails.h"
 
 #include <QByteArray>
-#include <QDebug>
 #include <QDomNodeList>
 #include <QHash>
 #include <QLineF>
diff --git a/src/libs/vtools/visualization/line/visline.cpp b/src/libs/vtools/visualization/line/visline.cpp
index d9c3f3791..b193352a0 100644
--- a/src/libs/vtools/visualization/line/visline.cpp
+++ b/src/libs/vtools/visualization/line/visline.cpp
@@ -28,7 +28,6 @@
 
 #include "visline.h"
 
-#include <QtCore/qmath.h>
 #include <QGraphicsScene>
 #include <QGuiApplication>
 #include <QPen>
@@ -37,6 +36,7 @@
 #include "../ifc/ifcdef.h"
 #include "../vgeometry/vgobject.h"
 #include "../vmisc/vabstractapplication.h"
+#include "../vmisc/vmath.h"
 #include "../vpatterndb/vcontainer.h"
 
 class QPointF;
diff --git a/src/libs/vtools/visualization/line/vistooltriangle.cpp b/src/libs/vtools/visualization/line/vistooltriangle.cpp
index 6eebec560..71feb80c0 100644
--- a/src/libs/vtools/visualization/line/vistooltriangle.cpp
+++ b/src/libs/vtools/visualization/line/vistooltriangle.cpp
@@ -28,7 +28,6 @@
 
 #include "vistooltriangle.h"
 
-#include <QtCore/qmath.h>
 #include <QGraphicsLineItem>
 #include <QGraphicsPathItem>
 #include <QPainterPath>
@@ -41,6 +40,7 @@
 #include "../ifc/ifcdef.h"
 #include "../vgeometry/vpointf.h"
 #include "../vmisc/vabstractapplication.h"
+#include "../vmisc/vmath.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../visualization.h"
 #include "visline.h"
diff --git a/src/libs/vtools/visualization/visualization.cpp b/src/libs/vtools/visualization/visualization.cpp
index 7c3ace47c..fabfca5f5 100644
--- a/src/libs/vtools/visualization/visualization.cpp
+++ b/src/libs/vtools/visualization/visualization.cpp
@@ -31,7 +31,6 @@
 #include <qnumeric.h>
 #include <QBrush>
 #include <QColor>
-#include <QDebug>
 #include <QGraphicsEllipseItem>
 #include <QGraphicsItem>
 #include <QGraphicsLineItem>
diff --git a/src/libs/vwidgets/vmaingraphicsview.cpp b/src/libs/vwidgets/vmaingraphicsview.cpp
index 94569f451..fc5584462 100644
--- a/src/libs/vwidgets/vmaingraphicsview.cpp
+++ b/src/libs/vwidgets/vmaingraphicsview.cpp
@@ -28,7 +28,6 @@
 
 #include "vmaingraphicsview.h"
 
-#include <qmath.h>
 #include <QApplication>
 #include <QCursor>
 #include <QEvent>
@@ -48,6 +47,7 @@
 #include <QWidget>
 
 #include "../vmisc/def.h"
+#include "../vmisc/vmath.h"
 #include "vmaingraphicsscene.h"
 #include "vsimplecurve.h"
 
diff --git a/src/libs/vwidgets/vsimplecurve.cpp b/src/libs/vwidgets/vsimplecurve.cpp
index f8404afd7..08bf5cebb 100644
--- a/src/libs/vwidgets/vsimplecurve.cpp
+++ b/src/libs/vwidgets/vsimplecurve.cpp
@@ -29,7 +29,6 @@
 #include "vsimplecurve.h"
 
 #include <QBrush>
-#include <QDebug>
 #include <QFlags>
 #include <QGraphicsScene>
 #include <QGraphicsSceneMouseEvent>
diff --git a/src/test/ParserTest/main.cpp b/src/test/ParserTest/main.cpp
index 14f522ee1..05e562d5c 100644
--- a/src/test/ParserTest/main.cpp
+++ b/src/test/ParserTest/main.cpp
@@ -27,7 +27,6 @@
  *************************************************************************/
 
 #include <QCoreApplication>
-#include <QDebug>
 #include <QTimer>
 #include <QtGlobal>
 #include "../qmuparser/qmuparsertest.h"
diff --git a/src/test/ValentinaTest/ValentinaTest.pro b/src/test/ValentinaTest/ValentinaTest.pro
index 3673f84c6..ab9dec109 100644
--- a/src/test/ValentinaTest/ValentinaTest.pro
+++ b/src/test/ValentinaTest/ValentinaTest.pro
@@ -50,7 +50,8 @@ SOURCES += \
     tst_vabstractcurve.cpp \
     tst_findpoint.cpp \
     tst_vellipticalarc.cpp \
-    tst_vcubicbezierpath.cpp
+    tst_vcubicbezierpath.cpp \
+    tst_vgobject.cpp
 
 win32-msvc*:SOURCES += stable.cpp
 
@@ -71,7 +72,8 @@ HEADERS += \
     tst_vabstractcurve.h \
     tst_findpoint.h \
     tst_vellipticalarc.h \
-    tst_vcubicbezierpath.h
+    tst_vcubicbezierpath.h \
+    tst_vgobject.h
 
 # Set using ccache. Function enable_ccache() defined in common.pri.
 $$enable_ccache()
diff --git a/src/test/ValentinaTest/qttestmainlambda.cpp b/src/test/ValentinaTest/qttestmainlambda.cpp
index cbf42dd43..a1bf9628d 100644
--- a/src/test/ValentinaTest/qttestmainlambda.cpp
+++ b/src/test/ValentinaTest/qttestmainlambda.cpp
@@ -44,6 +44,7 @@
 #include "tst_findpoint.h"
 #include "tst_vabstractcurve.h"
 #include "tst_vcubicbezierpath.h"
+#include "tst_vgobject.h"
 
 #include "../vmisc/def.h"
 
@@ -76,6 +77,7 @@ int main(int argc, char** argv)
     ASSERT_TEST(new TST_VCommandLine());
     ASSERT_TEST(new TST_VAbstractCurve());
     ASSERT_TEST(new TST_VCubicBezierPath());
+    ASSERT_TEST(new TST_VGObject());
 
     return status;
 }
diff --git a/src/test/ValentinaTest/tst_vgobject.cpp b/src/test/ValentinaTest/tst_vgobject.cpp
new file mode 100644
index 000000000..4cdadad0d
--- /dev/null
+++ b/src/test/ValentinaTest/tst_vgobject.cpp
@@ -0,0 +1,138 @@
+/************************************************************************
+ **
+ **  @file
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   16 8, 2016
+ **
+ **  @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) 2016 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 "tst_vgobject.h"
+
+#include <QtTest>
+
+#include "../vgeometry/vgobject.h"
+#include "../vmisc/def.h"
+
+//---------------------------------------------------------------------------------------------------------------------
+TST_VGObject::TST_VGObject(QObject *parent)
+    :QObject(parent)
+{}
+
+//---------------------------------------------------------------------------------------------------------------------
+void TST_VGObject::TestIsPointOnLineviaPDP_data()
+{
+    QTest::addColumn<QPointF>("p1");
+    QTest::addColumn<QPointF>("p2");
+    QTest::addColumn<QPointF>("t");
+    QTest::addColumn<bool>("excpect");
+
+    {
+    const QPointF p1(483.54330708661416, 3819.527433070866);
+    const QPointF p2(483.54330708661416, 1929.763653543307);
+    const QPointF t(483.54330708661416, 1920.763653543307);
+    QTest::newRow("Point is on line, but not on segment.") << p1 << p2 << t << true;
+    }
+
+    {
+    const QPointF p1(483.54330708661416, 3819.527433070866);
+    const QPointF p2(483.54330708661416, 1929.763653543307);
+    const QPointF t(483.54330708661416, 2874.763653543307);
+    QTest::newRow("Point is on segment. On middle.") << p1 << p2 << t << true;
+    }
+
+    {
+    const QPointF p1(483.54330708661416, 3819.527433070866);
+    const QPointF p2(483.54330708661416, 1929.763653543307);
+    const QPointF t(483.54330708661416, 1929.763653543307);
+    QTest::newRow("Point is on segment. The end of segment.") << p1 << p2 << t << true;
+    }
+
+    {
+    const QPointF p1(483.54330708661416, 3819.527433070866);
+    const QPointF p2(483.54330708661416, 1929.763653543307);
+    const QPointF t(483.54330708661416 + VGObject::accuracyPointOnLine, 2874.763653543307);
+    QTest::newRow("Min accuracy gap. On middle.") << p1 << p2 << t << false;
+    }
+
+    {
+    const QPointF p1(483.54330708661416, 3819.527433070866);
+    const QPointF p2(483.54330708661416, 1929.763653543307);
+    const QPointF t(483.54330708661416 + VGObject::accuracyPointOnLine, 1929.763653543307);
+    QTest::newRow("Min accuracy gap.") << p1 << p2 << t << false;
+    }
+
+    {
+    const QPointF p1(483.54330708661416, 3819.527433070866);
+    const QPointF p2(483.54330708661416, 1929.763653543307);
+    const QPointF t(483.54330708661416 + VGObject::accuracyPointOnLine/2., 2874.763653543307);
+    QTest::newRow("Less than min accuracy gap. On middle.") << p1 << p2 << t << true;
+    }
+
+    {
+    const QPointF p1(483.54330708661416, 3819.527433070866);
+    const QPointF p2(483.54330708661416, 1929.763653543307);
+    const QPointF t(483.54330708661416 + VGObject::accuracyPointOnLine/2., 1929.763653543307);
+    QTest::newRow("Less than min accuracy gap.") << p1 << p2 << t << true;
+    }
+
+    {
+    const QPointF p1(483.54330708661416, 3819.527433070866);
+    const QPointF p2(483.54330708661416, 1929.763653543307);
+    const QPointF t(370.1574803149606, 2874.763653543307);
+    QTest::newRow("Issue 534 - 3 cm gap. On middle.") << p1 << p2 << t << false;
+    }
+
+    {
+    const QPointF p1(483.54330708661416, 3819.527433070866);
+    const QPointF p2(483.54330708661416, 1929.763653543307);
+    const QPointF t(370.1574803149606, 1929.763653543307);
+    QTest::newRow("Issue 534 - 3 cm gap.") << p1 << p2 << t << false;
+    }
+
+    {
+    const QPointF p1(483.54330708661416, 3819.527433070866);
+    const QPointF p2(483.54330708661416, 1929.763653543307);
+    const QPointF t(407.9527559055118, 2874.763653543307);
+    QTest::newRow("Issue 534 - 2 cm gap. On middle.") << p1 << p2 << t << false;
+    }
+
+    {
+    const QPointF p1(483.54330708661416, 3819.527433070866);
+    const QPointF p2(483.54330708661416, 1929.763653543307);
+    const QPointF t(407.9527559055118, 1929.763653543307);
+    QTest::newRow("Issue 534 - 2 cm gap.") << p1 << p2 << t << false;
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void TST_VGObject::TestIsPointOnLineviaPDP() const
+{
+    QFETCH(QPointF, p1);
+    QFETCH(QPointF, p2);
+    QFETCH(QPointF, t);
+    QFETCH(bool, excpect);
+
+    const bool res = VGObject::IsPointOnLineviaPDP(t, p1, p2);
+    QCOMPARE(res, excpect);
+}
+
diff --git a/src/test/ValentinaTest/tst_vgobject.h b/src/test/ValentinaTest/tst_vgobject.h
new file mode 100644
index 000000000..9211f6b17
--- /dev/null
+++ b/src/test/ValentinaTest/tst_vgobject.h
@@ -0,0 +1,45 @@
+/************************************************************************
+ **
+ **  @file
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   16 8, 2016
+ **
+ **  @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) 2016 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 TST_VGOBJECT_H
+#define TST_VGOBJECT_H
+
+#include <QObject>
+
+class TST_VGObject  : public QObject
+{
+    Q_OBJECT
+public:
+    explicit TST_VGObject(QObject *parent = nullptr);
+
+private slots:
+    void TestIsPointOnLineviaPDP_data();
+    void TestIsPointOnLineviaPDP() const;
+};
+
+#endif // TST_VGOBJECT_H