Coverity Scan warnings.

--HG--
branch : develop

src/app/geometry/vequidistant.cpp

@@ -365,7 +365,8 @@ QVector<QPointF> VEquidistant::EkvPoint(const QLineF &line1, const QLineF &line2
     QVector<QPointF> points;
     if (line1.p2() != line2.p2())
     {
-        qDebug()<<"Last point of two lines must be equal.";
+        qDebug()<<"Last points of two lines must be equal.";
+        return QVector<QPointF>();
     }
     QPointF CrosPoint;
     QLineF bigLine1 = ParallelLine(line1, width );
@@ -390,11 +391,19 @@ QVector<QPointF> VEquidistant::EkvPoint(const QLineF &line1, const QLineF &line2
                     // We do not check intersection type because intersection must alwayse exist
                     QPointF px;
                     cutLine.setAngle(cutLine.angle()+90);
-                    bigLine1.intersect( cutLine, &px );
+                    QLineF::IntersectType type = bigLine1.intersect( cutLine, &px );
+                    if (type == QLineF::NoIntersection)
+                    {
+                        qDebug()<<"Couldn't find intersection with cut line.";
+                    }
                     points.append(px);
 
                     cutLine.setAngle(cutLine.angle()-180);
-                    bigLine2.intersect( cutLine, &px );
+                    type = bigLine2.intersect( cutLine, &px );
+                    if (type == QLineF::NoIntersection)
+                    {
+                        qDebug()<<"Couldn't find intersection with cut line.";
+                    }
                     points.append(px);
                 }
                 else

src/app/geometry/vgobject.h

@@ -33,6 +33,7 @@
 #include <QString>
 #include <QtGlobal>
 #include <QSharedDataPointer>
+#include <QVector>
 
 class VGObjectData;
 class QLineF;

src/app/xml/vpattern.cpp

@@ -443,8 +443,17 @@ void VPattern::setCurrentData()
                 }
             }
             if (tools.size() > 0)
+            {
+                try
                 {
                     ToolExists(id);
+                }
+                catch (VExceptionBadId &e)
+                {
+                    qCDebug(vXML)<<"List of tools doesn't containe id="<<id;
+                    return;
+                }
+
                 const VDataTool *vTool = tools.value(id);
                 *data = vTool->getData();
                 qCDebug(vXML)<<"Data successfully updated.";

src/libs/ifc/exception/vexception.h

@@ -31,6 +31,7 @@
 
 #include <QException>
 #include <QString>
+#include <QCoreApplication>
 #include "ifcdef.h"
 
 class QWidget;

src/libs/qmuparser/qmuparsererror.cpp

@@ -23,6 +23,7 @@
 #include "qmuparsererror.h"
 
 #include <QTextStream>
+#include <QDebug>
 
 #ifdef Q_OS_WIN
 #include <assert.h>

src/libs/vobj/delaunay.c

@@ -1001,6 +1001,8 @@ delaunay2d_t* delaunay2d_from(del_point2d_t *points, unsigned int num_points) {
     unsigned int	i;
     unsigned int*	faces	= NULL;
 
+    del.num_faces	= 0; //Warning using uninitialized value
+
 #if PREDICATE == EXACT_PREDICATE
     exactinit();
 #endif

src/libs/vobj/vobjengine.cpp

@@ -47,7 +47,13 @@ static inline QPaintEngine::PaintEngineFeatures svgEngineFeatures()
 VObjEngine::VObjEngine()
     :QPaintEngine(svgEngineFeatures()), stream(nullptr), globalPointsCount(0), outputDevice(nullptr), planeCount(0),
       size(), resolution(96), matrix()
-{}
+{
+    for(int i=0; i < MAX_POINTS; i++)
+    {
+        points[i].x = 0;
+        points[i].y = 0;
+    }
+}
 
 //---------------------------------------------------------------------------------------------------------------------
 VObjEngine::~VObjEngine()