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改进代码

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This commit is contained in:
feiyangqingyun
2021-10-08 10:52:05 +08:00
parent f6923b97a2
commit 200b7eeafb
171 changed files with 2894 additions and 1940 deletions
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70
qwtdemo/qwt/qwt_point_mapper.cpp
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@@ -22,7 +22,7 @@
#include <qtconcurrentrun.h>
#if !defined(QT_NO_QFUTURE)
#define QWT_USE_THREADS 0
#define QWT_USE_THREADS 1
#endif
#endif
@@ -42,7 +42,7 @@ public:
static void qwtRenderDots(
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QwtDotsCommand command, const QPoint &pos, QImage *image )
const QwtDotsCommand command, const QPoint &pos, QImage *image )
{
const QRgb rgb = command.rgb;
QRgb *bits = reinterpret_cast<QRgb *>( image->bits() );
@@ -94,7 +94,7 @@ struct QwtRoundF
};
struct QwtNoRoundF
{
{
inline double operator()( double value )
{
return value;
@@ -105,10 +105,10 @@ struct QwtNoRoundF
// the bounding rectangle
template<class Polygon, class Point, class Round>
static inline Polygon qwtToPoints(
static inline Polygon qwtToPoints(
const QRectF &boundingRect,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QwtSeriesData<QPointF> *series,
const QwtSeriesData<QPointF> *series,
int from, int to, Round round )
{
Polygon polyline( to - from + 1 );
@@ -168,7 +168,7 @@ static inline QPolygon qwtToPointsI(
const QwtSeriesData<QPointF> *series,
int from, int to )
{
return qwtToPoints<QPolygon, QPoint>(
return qwtToPoints<QPolygon, QPoint>(
boundingRect, xMap, yMap, series, from, to, QwtRoundI() );
}
@@ -179,7 +179,7 @@ static inline QPolygonF qwtToPointsF(
const QwtSeriesData<QPointF> *series,
int from, int to, Round round )
{
return qwtToPoints<QPolygonF, QPointF>(
return qwtToPoints<QPolygonF, QPointF>(
boundingRect, xMap, yMap, series, from, to, round );
}
@@ -187,9 +187,9 @@ static inline QPolygonF qwtToPointsF(
// points mapped to the same position
template<class Polygon, class Point, class Round>
static inline Polygon qwtToPolylineFiltered(
static inline Polygon qwtToPolylineFiltered(
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QwtSeriesData<QPointF> *series,
const QwtSeriesData<QPointF> *series,
int from, int to, Round round )
{
// in curves with many points consecutive points
@@ -238,7 +238,7 @@ static inline QPolygonF qwtToPolylineFilteredF(
{
return qwtToPolylineFiltered<QPolygonF, QPointF>(
xMap, yMap, series, from, to, round );
}
}
template<class Polygon, class Point>
static inline Polygon qwtToPointsFiltered(
@@ -282,7 +282,7 @@ static inline QPolygon qwtToPointsFilteredI(
{
return qwtToPointsFiltered<QPolygon, QPoint>(
boundingRect, xMap, yMap, series, from, to );
}
}
static inline QPolygonF qwtToPointsFilteredF(
const QRectF &boundingRect,
@@ -389,7 +389,7 @@ QRectF QwtPointMapper::boundingRect() const
\brief Translate a series of points into a QPolygonF
When the WeedOutPoints flag is enabled consecutive points,
that are mapped to the same position will be one point.
that are mapped to the same position will be one point.
When RoundPoints is set all points are rounded to integers
but returned as PolygonF - what only makes sense
@@ -413,12 +413,12 @@ QPolygonF QwtPointMapper::toPolygonF(
{
if ( d_data->flags & RoundPoints )
{
polyline = qwtToPolylineFilteredF(
polyline = qwtToPolylineFilteredF(
xMap, yMap, series, from, to, QwtRoundF() );
}
else
{
polyline = qwtToPolylineFilteredF(
polyline = qwtToPolylineFilteredF(
xMap, yMap, series, from, to, QwtNoRoundF() );
}
}
@@ -426,12 +426,12 @@ QPolygonF QwtPointMapper::toPolygonF(
{
if ( d_data->flags & RoundPoints )
{
polyline = qwtToPointsF( qwtInvalidRect,
polyline = qwtToPointsF( qwtInvalidRect,
xMap, yMap, series, from, to, QwtRoundF() );
}
else
{
polyline = qwtToPointsF( qwtInvalidRect,
polyline = qwtToPointsF( qwtInvalidRect,
xMap, yMap, series, from, to, QwtNoRoundF() );
}
}
@@ -443,7 +443,7 @@ QPolygonF QwtPointMapper::toPolygonF(
\brief Translate a series of points into a QPolygon
When the WeedOutPoints flag is enabled consecutive points,
that are mapped to the same position will be one point.
that are mapped to the same position will be one point.
\param xMap x map
\param yMap y map
@@ -461,12 +461,12 @@ QPolygon QwtPointMapper::toPolygon(
if ( d_data->flags & WeedOutPoints )
{
polyline = qwtToPolylineFilteredI(
polyline = qwtToPolylineFilteredI(
xMap, yMap, series, from, to );
}
else
{
polyline = qwtToPointsI(
polyline = qwtToPointsI(
qwtInvalidRect, xMap, yMap, series, from, to );
}
@@ -477,16 +477,16 @@ QPolygon QwtPointMapper::toPolygon(
\brief Translate a series into a QPolygonF
- WeedOutPoints & RoundPoints & boundingRect().isValid()
All points that are mapped to the same position
All points that are mapped to the same position
will be one point. Points outside of the bounding
rectangle are ignored.
- WeedOutPoints & RoundPoints & !boundingRect().isValid()
All consecutive points that are mapped to the same position
All consecutive points that are mapped to the same position
will one point
- WeedOutPoints & !RoundPoints
All consecutive points that are mapped to the same position
- WeedOutPoints & !RoundPoints
All consecutive points that are mapped to the same position
will one point
- !WeedOutPoints & boundingRect().isValid()
@@ -515,17 +515,17 @@ QPolygonF QwtPointMapper::toPointsF(
if ( d_data->flags & RoundPoints )
{
if ( d_data->boundingRect.isValid() )
{
{
points = qwtToPointsFilteredF( d_data->boundingRect,
xMap, yMap, series, from, to );
}
else
{
{
// without a bounding rectangle all we can
// do is to filter out duplicates of
// consecutive points
points = qwtToPolylineFilteredF(
points = qwtToPolylineFilteredF(
xMap, yMap, series, from, to, QwtRoundF() );
}
}
@@ -534,7 +534,7 @@ QPolygonF QwtPointMapper::toPointsF(
// when rounding is not allowed we can't use
// qwtToPointsFilteredF
points = qwtToPolylineFilteredF(
points = qwtToPolylineFilteredF(
xMap, yMap, series, from, to, QwtNoRoundF() );
}
}
@@ -559,12 +559,12 @@ QPolygonF QwtPointMapper::toPointsF(
\brief Translate a series of points into a QPolygon
- WeedOutPoints & boundingRect().isValid()
All points that are mapped to the same position
All points that are mapped to the same position
will be one point. Points outside of the bounding
rectangle are ignored.
- WeedOutPoints & !boundingRect().isValid()
All consecutive points that are mapped to the same position
All consecutive points that are mapped to the same position
will one point
- !WeedOutPoints & boundingRect().isValid()
@@ -596,13 +596,13 @@ QPolygon QwtPointMapper::toPoints(
// when we don't have the bounding rectangle all
// we can do is to filter out consecutive duplicates
points = qwtToPolylineFilteredI(
points = qwtToPolylineFilteredI(
xMap, yMap, series, from, to );
}
}
else
{
points = qwtToPointsI(
points = qwtToPointsI(
d_data->boundingRect, xMap, yMap, series, from, to );
}
@@ -630,7 +630,7 @@ QPolygon QwtPointMapper::toPoints(
*/
QImage QwtPointMapper::toImage(
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QwtSeriesData<QPointF> *series, int from, int to,
const QwtSeriesData<QPointF> *series, int from, int to,
const QPen &pen, bool antialiased, uint numThreads ) const
{
Q_UNUSED( antialiased )
@@ -680,7 +680,7 @@ QImage QwtPointMapper::toImage(
command.from = index0;
command.to = index0 + numPoints - 1;
futures += QtConcurrent::run( &qwtRenderDots,
futures += QtConcurrent::run( &qwtRenderDots,
xMap, yMap, command, pos, &image );
}
}