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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "pyside_numpy.h"
#include <sbknumpyview.h>
// Convert X,Y of type T data to a list of points (QPoint, PointF)
template <class T, class Point>
static QList<Point>
xyDataToQPointHelper(const void *xData, const void *yData, qsizetype size)
{
auto *x = reinterpret_cast<const T *>(xData);
auto *y = reinterpret_cast<const T *>(yData);
QList<Point> result;
result.reserve(size);
for (auto xEnd = x + size; x < xEnd; ++x, ++y)
result.append(Point(*x, *y));
return result;
}
// Convert X,Y of double/float type data to a list of QPoint (rounding)
template <class T>
static QList<QPoint>
xyFloatDataToQPointHelper(const void *xData, const void *yData, qsizetype size)
{
auto *x = reinterpret_cast<const T *>(xData);
auto *y = reinterpret_cast<const T *>(yData);
QList<QPoint> result;
result.reserve(size);
for (auto xEnd = x + size; x < xEnd; ++x, ++y)
result.append(QPoint(qRound(*x), qRound(*y)));
return result;
}
namespace PySide::Numpy
{
QList<QPointF> xyDataToQPointFList(PyObject *pyXIn, PyObject *pyYIn)
{
auto xv = Shiboken::Numpy::View::fromPyObject(pyXIn);
auto yv = Shiboken::Numpy::View::fromPyObject(pyYIn);
if (!xv.sameLayout(yv))
return {};
const qsizetype size = qMin(xv.dimensions[0], yv.dimensions[0]);
if (size == 0)
return {};
switch (xv.type) {
case Shiboken::Numpy::View::Int16:
return xyDataToQPointHelper<int16_t, QPointF>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Unsigned16:
return xyDataToQPointHelper<uint16_t, QPointF>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Int:
return xyDataToQPointHelper<int, QPointF>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Unsigned:
return xyDataToQPointHelper<unsigned, QPointF>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Int64:
return xyDataToQPointHelper<int64_t, QPointF>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Unsigned64:
return xyDataToQPointHelper<uint64_t, QPointF>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Float:
return xyDataToQPointHelper<float, QPointF>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Double:
break;
}
return xyDataToQPointHelper<double, QPointF>(xv.data, yv.data, size);
}
QList<QPoint> xyDataToQPointList(PyObject *pyXIn, PyObject *pyYIn)
{
auto xv = Shiboken::Numpy::View::fromPyObject(pyXIn);
auto yv = Shiboken::Numpy::View::fromPyObject(pyYIn);
if (!xv.sameLayout(yv))
return {};
const qsizetype size = qMin(xv.dimensions[0], yv.dimensions[0]);
if (size == 0)
return {};
switch (xv.type) {
case Shiboken::Numpy::View::Int16:
return xyDataToQPointHelper<int16_t, QPoint>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Unsigned16:
return xyDataToQPointHelper<uint16_t, QPoint>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Int:
return xyDataToQPointHelper<int, QPoint>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Unsigned:
return xyDataToQPointHelper<unsigned, QPoint>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Int64:
return xyDataToQPointHelper<int64_t, QPoint>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Unsigned64:
return xyDataToQPointHelper<uint64_t, QPoint>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Float:
return xyFloatDataToQPointHelper<float>(xv.data, yv.data, size);
case Shiboken::Numpy::View::Double:
break;
}
return xyFloatDataToQPointHelper<double>(xv.data, yv.data, size);
}
} //namespace PySide::Numpy
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