Change all mixed size_t variables to int to avoid cross-compiler hell

libs/qwt/src/qwt_date_scale_engine.cpp

@@ -112,9 +112,9 @@ static double qwtRoundedIntervalWidth(
 }
 
 static inline int qwtStepCount( int intervalSize, int maxSteps,
-    const int limits[], size_t numLimits )
+    const int limits[], int numLimits )
 {
-    for ( uint i = 0; i < numLimits; i++ )
+    for ( int i = 0; i < numLimits; i++ )
     {
         const int numSteps = intervalSize / limits[ i ];
 
@@ -160,11 +160,11 @@ static int qwtStepSize( int intervalSize, int maxSteps, uint base )
 }
 
 static int qwtDivideInterval( double intervalSize, int numSteps,
-    const int limits[], size_t numLimits )
+    const int limits[], int numLimits )
 {
     const int v = qwtCeil( intervalSize / double( numSteps ) );
 
-    for ( uint i = 0; i < numLimits - 1; i++ )
+    for ( int i = 0; i < numLimits - 1; i++ )
     {
         if ( v <= limits[i] )
             return limits[i];

libs/qwt/src/qwt_plot_abstract_barchart.cpp

@@ -247,7 +247,7 @@ double QwtPlotAbstractBarChart::sampleWidth( const QwtScaleMap& map,
         case AutoAdjustSamples:
         default:
         {
-            const size_t numSamples = dataSize();
+            const int numSamples = dataSize();
 
             double w = 1.0;
             if ( numSamples > 1 )
@@ -312,7 +312,7 @@ void QwtPlotAbstractBarChart::getCanvasMarginHint( const QwtScaleMap& xMap,
         case ScaleSamplesToAxes:
         default:
         {
-            const size_t numSamples = dataSize();
+            const int numSamples = dataSize();
             if ( numSamples <= 0 )
                 break;
 

libs/qwt/src/qwt_plot_barchart.cpp

@@ -185,7 +185,7 @@ QwtPlotBarChart::LegendMode QwtPlotBarChart::legendMode() const
  */
 QRectF QwtPlotBarChart::boundingRect() const
 {
-    const size_t numSamples = dataSize();
+    const int numSamples = dataSize();
     if ( numSamples == 0 )
         return QwtPlotSeriesItem::boundingRect();
 
@@ -222,7 +222,7 @@ QRectF QwtPlotBarChart::boundingRect() const
  */
 void QwtPlotBarChart::drawSeries(QPainter* painter,
     const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-    const QRectF& canvasRect, size_t from, size_t to ) const
+    const QRectF& canvasRect, int from, int to ) const
 {
     if ( to < 0 )
         to = dataSize() - 1;
@@ -239,7 +239,7 @@ void QwtPlotBarChart::drawSeries(QPainter* painter,
 
     painter->save();
 
-    for ( size_t i = from; i <= to; i++ )
+    for ( int i = from; i <= to; i++ )
     {
         drawSample( painter, xMap, yMap,
             canvasRect, interval, i, sample( i ) );
@@ -419,10 +419,10 @@ QList< QwtLegendData > QwtPlotBarChart::legendData() const
 
     if ( m_data->legendMode == LegendBarTitles )
     {
-        const size_t numSamples = dataSize();
+        const int numSamples = dataSize();
         list.reserve( numSamples );
 
-        for ( size_t i = 0; i < numSamples; i++ )
+        for ( int i = 0; i < numSamples; i++ )
         {
             QwtLegendData data;
 

libs/qwt/src/qwt_plot_barchart.h

@@ -87,7 +87,7 @@ class QWT_EXPORT QwtPlotBarChart
 
     virtual void drawSeries( QPainter*,
         const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-        const QRectF& canvasRect, size_t from, size_t to ) const QWT_OVERRIDE;
+        const QRectF& canvasRect, int from, int to ) const QWT_OVERRIDE;
 
     virtual QRectF boundingRect() const QWT_OVERRIDE;
 

libs/qwt/src/qwt_plot_curve.cpp

@@ -55,13 +55,13 @@ static void qwtUpdateLegendIconSize( QwtPlotCurve* curve )
     }
 }
 
-static int qwtVerifyRange( size_t size, size_t& i1, size_t& i2 )
+static int qwtVerifyRange( int size, int& i1, int& i2 )
 {
     if ( size < 1 )
         return 0;
 
-    i1 = qBound<size_t>( 0, i1, size - 1 );
+    i1 = qBound<int>( 0, i1, size - 1 );
-    i2 = qBound<size_t>( 0, i2, size - 1 );
+    i2 = qBound<int>( 0, i2, size - 1 );
 
     if ( i1 > i2 )
         qSwap( i1, i2 );
@@ -380,9 +380,9 @@ const QBrush& QwtPlotCurve::brush() const
  */
 void QwtPlotCurve::drawSeries( QPainter* painter,
     const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-    const QRectF& canvasRect, size_t from, size_t to ) const
+    const QRectF& canvasRect, int from, int to ) const
 {
-    const size_t numSamples = dataSize();
+    const int numSamples = dataSize();
 
     if ( !painter || numSamples <= 0 )
         return;
@@ -1050,7 +1050,7 @@ double QwtPlotCurve::baseline() const
  */
 int QwtPlotCurve::closestPoint( const QPointF& pos, double* dist ) const
 {
-    const size_t numSamples = dataSize();
+    const int numSamples = dataSize();
 
     if ( plot() == NULL || numSamples <= 0 )
         return -1;
@@ -1063,7 +1063,7 @@ int QwtPlotCurve::closestPoint( const QPointF& pos, double* dist ) const
     int index = -1;
     double dmin = 1.0e10;
 
-    for ( uint i = 0; i < numSamples; i++ )
+    for ( int i = 0; i < numSamples; i++ )
     {
         const QPointF sample = series->sample( i );
 

libs/qwt/src/qwt_plot_curve.h

@@ -301,7 +301,7 @@ class QWT_EXPORT QwtPlotCurve
 
     virtual void drawSeries(QPainter*,
         const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-        const QRectF& canvasRect, size_t from, size_t to ) const QWT_OVERRIDE;
+        const QRectF& canvasRect, int from, int to ) const QWT_OVERRIDE;
 
     virtual QwtGraphic legendIcon( int index, const QSizeF& ) const QWT_OVERRIDE;
 

libs/qwt/src/qwt_plot_histogram.cpp

@@ -333,7 +333,7 @@ void QwtPlotHistogram::setSamples(
  */
 void QwtPlotHistogram::drawSeries(QPainter* painter,
     const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-    const QRectF& canvasRect, size_t from, size_t to ) const
+    const QRectF& canvasRect, int from, int to ) const
 {
     Q_UNUSED( canvasRect )
 

libs/qwt/src/qwt_plot_histogram.h

@@ -108,7 +108,7 @@ class QWT_EXPORT QwtPlotHistogram
 
     virtual void drawSeries( QPainter*,
         const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-        const QRectF& canvasRect, size_t from, size_t to ) const QWT_OVERRIDE;
+        const QRectF& canvasRect, int from, int to ) const QWT_OVERRIDE;
 
     virtual QRectF boundingRect() const QWT_OVERRIDE;
 

libs/qwt/src/qwt_plot_intervalcurve.cpp

@@ -321,7 +321,7 @@ QRectF QwtPlotIntervalCurve::boundingRect() const
  */
 void QwtPlotIntervalCurve::drawSeries(QPainter* painter,
     const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-    const QRectF& canvasRect, size_t from, size_t to ) const
+    const QRectF& canvasRect, int from, int to ) const
 {
     if ( to < 0 )
         to = dataSize() - 1;
@@ -376,11 +376,11 @@ void QwtPlotIntervalCurve::drawTube( QPainter* painter,
 
     painter->save();
 
-    const size_t size = to - from + 1;
+    const int size = to - from + 1;
     QPolygonF polygon( 2 * size );
     QPointF* points = polygon.data();
 
-    for ( uint i = 0; i < size; i++ )
+    for ( int i = 0; i < size; i++ )
     {
         QPointF& minValue = points[i];
         QPointF& maxValue = points[2 * size - 1 - i];

libs/qwt/src/qwt_plot_intervalcurve.h

@@ -106,7 +106,7 @@ class QWT_EXPORT QwtPlotIntervalCurve
 
     virtual void drawSeries( QPainter*,
         const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-        const QRectF& canvasRect, size_t from, size_t to ) const QWT_OVERRIDE;
+        const QRectF& canvasRect, int from, int to ) const QWT_OVERRIDE;
 
     virtual QRectF boundingRect() const QWT_OVERRIDE;
 

libs/qwt/src/qwt_plot_multi_barchart.cpp

@@ -301,7 +301,7 @@ QwtPlotMultiBarChart::ChartStyle QwtPlotMultiBarChart::style() const
  */
 QRectF QwtPlotMultiBarChart::boundingRect() const
 {
-    const size_t numSamples = dataSize();
+    const int numSamples = dataSize();
 
     if ( numSamples == 0 )
         return QwtPlotSeriesItem::boundingRect();
@@ -331,7 +331,7 @@ QRectF QwtPlotMultiBarChart::boundingRect() const
 
         const QwtSeriesData< QwtSetSample >* series = data();
 
-        for ( size_t i = 0; i < numSamples; i++ )
+        for ( int i = 0; i < numSamples; i++ )
         {
             const QwtSetSample sample = series->sample( i );
             if ( i == 0 )
@@ -373,7 +373,7 @@ QRectF QwtPlotMultiBarChart::boundingRect() const
  */
 void QwtPlotMultiBarChart::drawSeries(QPainter* painter,
     const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-    const QRectF& canvasRect, size_t from, size_t to ) const
+    const QRectF& canvasRect, int from, int to ) const
 {
     if ( to < 0 )
         to = dataSize() - 1;
@@ -390,7 +390,7 @@ void QwtPlotMultiBarChart::drawSeries(QPainter* painter,
 
     painter->save();
 
-    for ( size_t i = from; i <= to; i++ )
+    for ( int i = from; i <= to; i++ )
     {
         drawSample( painter, xMap, yMap,
             canvasRect, interval, i, sample( i ) );

libs/qwt/src/qwt_plot_multi_barchart.h

@@ -86,7 +86,7 @@ class QWT_EXPORT QwtPlotMultiBarChart
 
     virtual void drawSeries( QPainter*,
         const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-        const QRectF& canvasRect, size_t from, size_t to ) const QWT_OVERRIDE;
+        const QRectF& canvasRect, int from, int to ) const QWT_OVERRIDE;
 
     virtual QRectF boundingRect() const QWT_OVERRIDE;
 

libs/qwt/src/qwt_plot_seriesitem.h

@@ -50,7 +50,7 @@ class QWT_EXPORT QwtPlotSeriesItem : public QwtPlotItem,
      */
     virtual void drawSeries( QPainter* painter,
         const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-        const QRectF& canvasRect, size_t from, size_t to ) const = 0;
+        const QRectF& canvasRect, int from, int to ) const = 0;
 
     virtual QRectF boundingRect() const QWT_OVERRIDE;
 

libs/qwt/src/qwt_plot_spectrocurve.cpp

@@ -237,7 +237,7 @@ double QwtPlotSpectroCurve::penWidth() const
  */
 void QwtPlotSpectroCurve::drawSeries(QPainter* painter,
     const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-    const QRectF& canvasRect, size_t from, size_t to ) const
+    const QRectF& canvasRect, int from, int to ) const
 {
     if ( !painter || dataSize() <= 0 )
         return;

libs/qwt/src/qwt_plot_spectrocurve.h

@@ -55,7 +55,7 @@ class QWT_EXPORT QwtPlotSpectroCurve
 
     virtual void drawSeries( QPainter*,
         const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-        const QRectF& canvasRect, size_t from, size_t to ) const QWT_OVERRIDE;
+        const QRectF& canvasRect, int from, int to ) const QWT_OVERRIDE;
 
     void setPenWidth( double );
     double penWidth() const;

libs/qwt/src/qwt_plot_tradingcurve.cpp

@@ -386,7 +386,7 @@ QRectF QwtPlotTradingCurve::boundingRect() const
  */
 void QwtPlotTradingCurve::drawSeries(QPainter* painter,
     const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-    const QRectF& canvasRect, size_t from, size_t to ) const
+    const QRectF& canvasRect, int from, int to ) const
 {
     if ( to < 0 )
         to = dataSize() - 1;

libs/qwt/src/qwt_plot_tradingcurve.h

@@ -135,7 +135,7 @@ class QWT_EXPORT QwtPlotTradingCurve
 
     virtual void drawSeries( QPainter*,
         const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-        const QRectF& canvasRect, size_t from, size_t to ) const QWT_OVERRIDE;
+        const QRectF& canvasRect, int from, int to ) const QWT_OVERRIDE;
 
     virtual QRectF boundingRect() const QWT_OVERRIDE;
 

libs/qwt/src/qwt_plot_vectorfield.cpp

@@ -53,7 +53,7 @@ static QwtInterval qwtMagnitudeRange(
     double min = s0.vx * s0.vx + s0.vy * s0.vy;
     double max = min;
 
-    for ( uint i = 1; i < series->size(); i++ )
+    for ( int i = 1; i < series->size(); i++ )
     {
         const QwtVectorFieldSample s = series->sample( i );
         const double l = s.vx * s.vx + s.vy * s.vy;
@@ -806,7 +806,7 @@ QwtGraphic QwtPlotVectorField::legendIcon(
  */
 void QwtPlotVectorField::drawSeries(QPainter* painter,
     const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-    const QRectF& canvasRect, size_t from, size_t to ) const
+    const QRectF& canvasRect, int from, int to ) const
 {
     if ( !painter || dataSize() <= 0 )
         return;

libs/qwt/src/qwt_plot_vectorfield.h

@@ -136,7 +136,7 @@ class QWT_EXPORT QwtPlotVectorField
 
     virtual void drawSeries( QPainter*,
         const QwtScaleMap& xMap, const QwtScaleMap& yMap,
-        const QRectF& canvasRect, size_t from, size_t to ) const QWT_OVERRIDE;
+        const QRectF& canvasRect, int from, int to ) const QWT_OVERRIDE;
 
     virtual int rtti() const QWT_OVERRIDE;
 

libs/qwt/src/qwt_point_data.cpp

@@ -18,7 +18,7 @@
    \sa setInterval(), setSize()
  */
 QwtSyntheticPointData::QwtSyntheticPointData(
-        size_t size, const QwtInterval& interval )
+        int size, const QwtInterval& interval )
     : m_size( size )
     , m_interval( interval )
 {
@@ -30,7 +30,7 @@ QwtSyntheticPointData::QwtSyntheticPointData(
    \param size Number of points
    \sa size(), setInterval()
  */
-void QwtSyntheticPointData::setSize( size_t size )
+void QwtSyntheticPointData::setSize( int size )
 {
     m_size = size;
 }
@@ -39,7 +39,7 @@ void QwtSyntheticPointData::setSize( size_t size )
    \return Number of points
    \sa setSize(), interval()
  */
-size_t QwtSyntheticPointData::size() const
+int QwtSyntheticPointData::size() const
 {
     return m_size;
 }
@@ -122,7 +122,7 @@ QRectF QwtSyntheticPointData::boundingRect() const
    \warning For invalid indices ( index < 0 || index >= size() )
             (0, 0) is returned.
  */
-QPointF QwtSyntheticPointData::sample( size_t index ) const
+QPointF QwtSyntheticPointData::sample( int index ) const
 {
     if ( index >= m_size )
         return QPointF( 0, 0 );

libs/qwt/src/qwt_point_data.h

@@ -23,10 +23,10 @@ class QwtPointArrayData : public QwtPointSeriesData
 {
   public:
     QwtPointArrayData( const QVector< T >& x, const QVector< T >& y );
-    QwtPointArrayData( const T* x, const T* y, size_t size );
+    QwtPointArrayData( const T* x, const T* y, int size );
 
-    virtual size_t size() const QWT_OVERRIDE;
+    virtual int size() const QWT_OVERRIDE;
-    virtual QPointF sample( size_t index ) const QWT_OVERRIDE;
+    virtual QPointF sample( int index ) const QWT_OVERRIDE;
 
     const QVector< T >& xData() const;
     const QVector< T >& yData() const;
@@ -43,10 +43,10 @@ template< typename T >
 class QwtCPointerData : public QwtPointSeriesData
 {
   public:
-    QwtCPointerData( const T* x, const T* y, size_t size );
+    QwtCPointerData( const T* x, const T* y, int size );
 
-    virtual size_t size() const QWT_OVERRIDE;
+    virtual int size() const QWT_OVERRIDE;
-    virtual QPointF sample( size_t index ) const QWT_OVERRIDE;
+    virtual QPointF sample( int index ) const QWT_OVERRIDE;
 
     const T* xData() const;
     const T* yData() const;
@@ -54,7 +54,7 @@ class QwtCPointerData : public QwtPointSeriesData
   private:
     const T* m_x;
     const T* m_y;
-    size_t m_size;
+    int m_size;
 };
 
 /*!
@@ -68,10 +68,10 @@ class QwtValuePointData : public QwtPointSeriesData
 {
   public:
     QwtValuePointData( const QVector< T >& y );
-    QwtValuePointData( const T* y, size_t size );
+    QwtValuePointData( const T* y, int size );
 
-    virtual size_t size() const QWT_OVERRIDE;
+    virtual int size() const QWT_OVERRIDE;
-    virtual QPointF sample( size_t index ) const QWT_OVERRIDE;
+    virtual QPointF sample( int index ) const QWT_OVERRIDE;
 
     const QVector< T >& yData() const;
 
@@ -89,16 +89,16 @@ template< typename T >
 class QwtCPointerValueData : public QwtPointSeriesData
 {
   public:
-    QwtCPointerValueData( const T* y, size_t size );
+    QwtCPointerValueData( const T* y, int size );
 
-    virtual size_t size() const QWT_OVERRIDE;
+    virtual int size() const QWT_OVERRIDE;
-    virtual QPointF sample( size_t index ) const QWT_OVERRIDE;
+    virtual QPointF sample( int index ) const QWT_OVERRIDE;
 
     const T* yData() const;
 
   private:
     const T* m_y;
-    size_t m_size;
+    int m_size;
 };
 
 /*!
@@ -157,17 +157,17 @@ class QwtCPointerValueData : public QwtPointSeriesData
 class QWT_EXPORT QwtSyntheticPointData : public QwtPointSeriesData
 {
   public:
-    QwtSyntheticPointData( size_t size,
+    QwtSyntheticPointData( int size,
         const QwtInterval& = QwtInterval() );
 
-    void setSize( size_t size );
+    void setSize( int size );
-    virtual size_t size() const QWT_OVERRIDE;
+    virtual int size() const QWT_OVERRIDE;
 
     void setInterval( const QwtInterval& );
     QwtInterval interval() const;
 
     virtual QRectF boundingRect() const QWT_OVERRIDE;
-    virtual QPointF sample( size_t index ) const QWT_OVERRIDE;
+    virtual QPointF sample( int index ) const QWT_OVERRIDE;
 
     /*!
        Calculate a y value for a x value
@@ -182,7 +182,7 @@ class QWT_EXPORT QwtSyntheticPointData : public QwtPointSeriesData
     QRectF rectOfInterest() const;
 
   private:
-    size_t m_size;
+    int m_size;
     QwtInterval m_interval;
     QRectF m_rectOfInterest;
     QwtInterval m_intervalOfInterest;
@@ -213,7 +213,7 @@ QwtPointArrayData< T >::QwtPointArrayData(
    \sa QwtPlotCurve::setData(), QwtPlotCurve::setSamples()
  */
 template< typename T >
-QwtPointArrayData< T >::QwtPointArrayData( const T* x, const T* y, size_t size )
+QwtPointArrayData< T >::QwtPointArrayData( const T* x, const T* y, int size )
 {
     m_x.resize( size );
     std::memcpy( m_x.data(), x, size * sizeof( T ) );
@@ -224,7 +224,7 @@ QwtPointArrayData< T >::QwtPointArrayData( const T* x, const T* y, size_t size )
 
 //! \return Size of the data set
 template< typename T >
-size_t QwtPointArrayData< T >::size() const
+int QwtPointArrayData< T >::size() const
 {
     return qMin( m_x.size(), m_y.size() );
 }
@@ -236,7 +236,7 @@ size_t QwtPointArrayData< T >::size() const
    \return Sample at position i
  */
 template< typename T >
-QPointF QwtPointArrayData< T >::sample( size_t index ) const
+QPointF QwtPointArrayData< T >::sample( int index ) const
 {
     return QPointF( m_x[int( index )], m_y[int( index )] );
 }
@@ -276,7 +276,7 @@ QwtValuePointData< T >::QwtValuePointData( const QVector< T >& y )
    \sa QwtPlotCurve::setData(), QwtPlotCurve::setSamples()
  */
 template< typename T >
-QwtValuePointData< T >::QwtValuePointData( const T* y, size_t size )
+QwtValuePointData< T >::QwtValuePointData( const T* y, int size )
 {
     m_y.resize( size );
     std::memcpy( m_y.data(), y, size * sizeof( T ) );
@@ -284,7 +284,7 @@ QwtValuePointData< T >::QwtValuePointData( const T* y, size_t size )
 
 //! \return Size of the data set
 template< typename T >
-size_t QwtValuePointData< T >::size() const
+int QwtValuePointData< T >::size() const
 {
     return m_y.size();
 }
@@ -296,7 +296,7 @@ size_t QwtValuePointData< T >::size() const
    \return Sample at position i
  */
 template< typename T >
-QPointF QwtValuePointData< T >::sample( size_t index ) const
+QPointF QwtValuePointData< T >::sample( int index ) const
 {
     return QPointF( index, m_y[int( index )] );
 }
@@ -323,7 +323,7 @@ const QVector< T >& QwtValuePointData< T >::yData() const
  */
 
 template< typename T >
-QwtCPointerData< T >::QwtCPointerData( const T* x, const T* y, size_t size )
+QwtCPointerData< T >::QwtCPointerData( const T* x, const T* y, int size )
     : m_x( x )
     , m_y( y )
     , m_size( size )
@@ -332,7 +332,7 @@ QwtCPointerData< T >::QwtCPointerData( const T* x, const T* y, size_t size )
 
 //! \return Size of the data set
 template< typename T >
-size_t QwtCPointerData< T >::size() const
+int QwtCPointerData< T >::size() const
 {
     return m_size;
 }
@@ -344,7 +344,7 @@ size_t QwtCPointerData< T >::size() const
    \return Sample at position i
  */
 template< typename T >
-QPointF QwtCPointerData< T >::sample( size_t index ) const
+QPointF QwtCPointerData< T >::sample( int index ) const
 {
     return QPointF( m_x[int( index )], m_y[int( index )] );
 }
@@ -377,7 +377,7 @@ const T* QwtCPointerData< T >::yData() const
  */
 
 template< typename T >
-QwtCPointerValueData< T >::QwtCPointerValueData( const T* y, size_t size )
+QwtCPointerValueData< T >::QwtCPointerValueData( const T* y, int size )
     : m_y( y )
     , m_size( size )
 {
@@ -385,7 +385,7 @@ QwtCPointerValueData< T >::QwtCPointerValueData( const T* y, size_t size )
 
 //! \return Size of the data set
 template< typename T >
-size_t QwtCPointerValueData< T >::size() const
+int QwtCPointerValueData< T >::size() const
 {
     return m_size;
 }
@@ -397,7 +397,7 @@ size_t QwtCPointerValueData< T >::size() const
    \return Sample at position i
  */
 template< typename T >
-QPointF QwtCPointerValueData< T >::sample( size_t index ) const
+QPointF QwtCPointerValueData< T >::sample( int index ) const
 {
     return QPointF( index, m_y[ int( index ) ] );
 }

libs/qwt/src/qwt_polar_curve.cpp

@@ -496,7 +496,7 @@ void QwtPolarCurve::drawSymbols( QPainter* painter, const QwtSymbol& symbol,
    \return Number of points
    \sa setData()
  */
-size_t QwtPolarCurve::dataSize() const
+int QwtPolarCurve::dataSize() const
 {
     return m_series->size();
 }

libs/qwt/src/qwt_polar_curve.h

@@ -89,7 +89,7 @@ class QWT_EXPORT QwtPolarCurve : public QwtPolarItem
     void setData( QwtSeriesData< QwtPointPolar >* data );
     const QwtSeriesData< QwtPointPolar >* data() const;
 
-    size_t dataSize() const;
+    int dataSize() const;
     QwtPointPolar sample( int i ) const;
 
     void setPen( const QPen& );

libs/qwt/src/qwt_series_data.h

@@ -58,14 +58,14 @@ class QwtSeriesData
 #ifndef QWT_PYTHON_WRAPPER
 
     //! \return Number of samples
-    virtual size_t size() const = 0;
+    virtual int size() const = 0;
 
     /*!
        Return a sample
        \param i Index
        \return Sample at position i
      */
-    virtual T sample( size_t i ) const = 0;
+    virtual T sample( int i ) const = 0;
 
     /*!
        Calculate the bounding rect of all samples
@@ -83,8 +83,8 @@ class QwtSeriesData
 
 #else
     // Needed for generating the python bindings, but not for using them !
-    virtual size_t size() const { return 0; }
+    virtual int size() const { return 0; }
-    virtual T sample( size_t i ) const { return T(); }
+    virtual T sample( int i ) const { return T(); }
     virtual QRectF boundingRect() const { return cachedBoundingRect; }
 #endif
 
@@ -154,7 +154,7 @@ class QwtArraySeriesData : public QwtSeriesData< T >
     const QVector< T > samples() const;
 
     //! \return Number of samples
-    virtual size_t size() const QWT_OVERRIDE;
+    virtual int size() const QWT_OVERRIDE;
 
     /*!
        \return Sample at a specific position
@@ -162,7 +162,7 @@ class QwtArraySeriesData : public QwtSeriesData< T >
        \param index Index
        \return Sample at position index
      */
-    virtual T sample( size_t index ) const QWT_OVERRIDE;
+    virtual T sample( int index ) const QWT_OVERRIDE;
 
   protected:
     //! Vector of samples
@@ -194,13 +194,13 @@ const QVector< T > QwtArraySeriesData< T >::samples() const
 }
 
 template< typename T >
-size_t QwtArraySeriesData< T >::size() const
+int QwtArraySeriesData< T >::size() const
 {
     return m_samples.size();
 }
 
 template< typename T >
-T QwtArraySeriesData< T >::sample( size_t i ) const
+T QwtArraySeriesData< T >::sample( int i ) const
 {
     return m_samples[ static_cast< int >( i ) ];
 }

libs/qwt/src/qwt_series_store.h

@@ -42,13 +42,13 @@ class QwtAbstractSeriesStore
     virtual QRectF dataRect() const = 0;
 
     //! \return Number of samples
-    virtual size_t dataSize() const = 0;
+    virtual int dataSize() const = 0;
 #else
     // Needed for generating the python bindings, but not for using them !
     virtual void dataChanged() {}
     virtual void setRectOfInterest( const QRectF& ) {}
     virtual QRectF dataRect() const { return QRectF( 0.0, 0.0, -1.0, -1.0 ); }
-    virtual size_t dataSize() const { return 0; }
+    virtual int dataSize() const { return 0; }
 #endif
 };
 
@@ -100,7 +100,7 @@ class QwtSeriesStore : public virtual QwtAbstractSeriesStore
        \return Number of samples of the series
        \sa setData(), QwtSeriesData<T>::size()
      */
-    virtual size_t dataSize() const QWT_OVERRIDE;
+    virtual int dataSize() const QWT_OVERRIDE;
 
     /*!
        \return Bounding rectangle of the series
@@ -172,7 +172,7 @@ void QwtSeriesStore< T >::setData( QwtSeriesData< T >* series )
 }
 
 template< typename T >
-size_t QwtSeriesStore< T >::dataSize() const
+int QwtSeriesStore< T >::dataSize() const
 {
     if ( m_series == NULL )
         return 0;