mirror of
https://github.com/opencv/opencv.git
synced 2024-11-25 19:50:38 +08:00
1306 lines
34 KiB
C++
1306 lines
34 KiB
C++
#include <Python.h>
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#define MODULESTR "cv2"
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#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
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#include <numpy/ndarrayobject.h>
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#include "opencv2/core.hpp"
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#include "opencv2/core/utility.hpp"
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#include "opencv2/contrib.hpp"
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#include "opencv2/flann/miniflann.hpp"
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#include "opencv2/imgproc.hpp"
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#include "opencv2/calib3d.hpp"
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#include "opencv2/features2d.hpp"
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#include "opencv2/objdetect.hpp"
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#include "opencv2/softcascade.hpp"
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#include "opencv2/video.hpp"
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#include "opencv2/photo.hpp"
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#include "opencv2/highgui.hpp"
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#include "opencv2/ml.hpp"
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#include "opencv2/opencv_modules.hpp"
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#ifdef HAVE_OPENCV_NONFREE
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# include "opencv2/nonfree.hpp"
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#endif
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#include "pycompat.hpp"
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using cv::flann::IndexParams;
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using cv::flann::SearchParams;
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static PyObject* opencv_error = 0;
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static int failmsg(const char *fmt, ...)
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{
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char str[1000];
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va_list ap;
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va_start(ap, fmt);
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vsnprintf(str, sizeof(str), fmt, ap);
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va_end(ap);
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PyErr_SetString(PyExc_TypeError, str);
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return 0;
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}
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struct ArgInfo
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{
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const char * name;
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bool outputarg;
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// more fields may be added if necessary
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ArgInfo(const char * name_, bool outputarg_)
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: name(name_)
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, outputarg(outputarg_) {}
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// to match with older pyopencv_to function signature
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operator const char *() const { return name; }
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};
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class PyAllowThreads
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{
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public:
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PyAllowThreads() : _state(PyEval_SaveThread()) {}
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~PyAllowThreads()
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{
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PyEval_RestoreThread(_state);
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}
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private:
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PyThreadState* _state;
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};
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class PyEnsureGIL
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{
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public:
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PyEnsureGIL() : _state(PyGILState_Ensure()) {}
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~PyEnsureGIL()
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{
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PyGILState_Release(_state);
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}
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private:
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PyGILState_STATE _state;
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};
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#define ERRWRAP2(expr) \
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try \
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{ \
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PyAllowThreads allowThreads; \
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expr; \
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} \
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catch (const cv::Exception &e) \
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{ \
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PyErr_SetString(opencv_error, e.what()); \
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return 0; \
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}
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using namespace cv;
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typedef cv::softcascade::ChannelFeatureBuilder softcascade_ChannelFeatureBuilder;
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typedef std::vector<uchar> vector_uchar;
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typedef std::vector<char> vector_char;
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typedef std::vector<int> vector_int;
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typedef std::vector<float> vector_float;
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typedef std::vector<double> vector_double;
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typedef std::vector<Point> vector_Point;
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typedef std::vector<Point2f> vector_Point2f;
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typedef std::vector<Vec2f> vector_Vec2f;
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typedef std::vector<Vec3f> vector_Vec3f;
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typedef std::vector<Vec4f> vector_Vec4f;
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typedef std::vector<Vec6f> vector_Vec6f;
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typedef std::vector<Vec4i> vector_Vec4i;
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typedef std::vector<Rect> vector_Rect;
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typedef std::vector<KeyPoint> vector_KeyPoint;
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typedef std::vector<Mat> vector_Mat;
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typedef std::vector<DMatch> vector_DMatch;
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typedef std::vector<String> vector_String;
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typedef std::vector<std::vector<char> > vector_vector_char;
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typedef std::vector<std::vector<Point> > vector_vector_Point;
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typedef std::vector<std::vector<Point2f> > vector_vector_Point2f;
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typedef std::vector<std::vector<Point3f> > vector_vector_Point3f;
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typedef std::vector<std::vector<DMatch> > vector_vector_DMatch;
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typedef Ptr<Algorithm> Ptr_Algorithm;
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typedef Ptr<FeatureDetector> Ptr_FeatureDetector;
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typedef Ptr<DescriptorExtractor> Ptr_DescriptorExtractor;
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typedef Ptr<Feature2D> Ptr_Feature2D;
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typedef Ptr<DescriptorMatcher> Ptr_DescriptorMatcher;
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typedef Ptr<BackgroundSubtractor> Ptr_BackgroundSubtractor;
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typedef Ptr<BackgroundSubtractorMOG> Ptr_BackgroundSubtractorMOG;
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typedef Ptr<BackgroundSubtractorMOG2> Ptr_BackgroundSubtractorMOG2;
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typedef Ptr<BackgroundSubtractorGMG> Ptr_BackgroundSubtractorGMG;
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typedef Ptr<StereoMatcher> Ptr_StereoMatcher;
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typedef Ptr<StereoBM> Ptr_StereoBM;
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typedef Ptr<StereoSGBM> Ptr_StereoSGBM;
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typedef Ptr<cv::softcascade::ChannelFeatureBuilder> Ptr_ChannelFeatureBuilder;
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typedef SimpleBlobDetector::Params SimpleBlobDetector_Params;
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typedef cvflann::flann_distance_t cvflann_flann_distance_t;
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typedef cvflann::flann_algorithm_t cvflann_flann_algorithm_t;
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typedef Ptr<flann::IndexParams> Ptr_flann_IndexParams;
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typedef Ptr<flann::SearchParams> Ptr_flann_SearchParams;
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typedef Ptr<FaceRecognizer> Ptr_FaceRecognizer;
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typedef std::vector<Scalar> vector_Scalar;
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static PyObject* failmsgp(const char *fmt, ...)
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{
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char str[1000];
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va_list ap;
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va_start(ap, fmt);
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vsnprintf(str, sizeof(str), fmt, ap);
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va_end(ap);
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PyErr_SetString(PyExc_TypeError, str);
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return 0;
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}
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static size_t REFCOUNT_OFFSET = (size_t)&(((PyObject*)0)->ob_refcnt) +
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(0x12345678 != *(const size_t*)"\x78\x56\x34\x12\0\0\0\0\0")*sizeof(int);
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static inline PyObject* pyObjectFromRefcount(const int* refcount)
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{
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return (PyObject*)((size_t)refcount - REFCOUNT_OFFSET);
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}
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static inline int* refcountFromPyObject(const PyObject* obj)
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{
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return (int*)((size_t)obj + REFCOUNT_OFFSET);
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}
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class NumpyAllocator : public MatAllocator
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{
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public:
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NumpyAllocator() {}
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~NumpyAllocator() {}
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void allocate(int dims, const int* sizes, int type, int*& refcount,
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uchar*& datastart, uchar*& data, size_t* step)
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{
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PyEnsureGIL gil;
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int depth = CV_MAT_DEPTH(type);
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int cn = CV_MAT_CN(type);
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const int f = (int)(sizeof(size_t)/8);
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int typenum = depth == CV_8U ? NPY_UBYTE : depth == CV_8S ? NPY_BYTE :
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depth == CV_16U ? NPY_USHORT : depth == CV_16S ? NPY_SHORT :
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depth == CV_32S ? NPY_INT : depth == CV_32F ? NPY_FLOAT :
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depth == CV_64F ? NPY_DOUBLE : f*NPY_ULONGLONG + (f^1)*NPY_UINT;
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int i;
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cv::AutoBuffer<npy_intp> _sizes(dims + 1);
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for( i = 0; i < dims; i++ )
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_sizes[i] = sizes[i];
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if( cn > 1 )
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_sizes[dims++] = cn;
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PyObject* o = PyArray_SimpleNew(dims, _sizes, typenum);
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if(!o)
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CV_Error_(Error::StsError, ("The numpy array of typenum=%d, ndims=%d can not be created", typenum, dims));
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refcount = refcountFromPyObject(o);
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npy_intp* _strides = PyArray_STRIDES((PyArrayObject*) o);
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for( i = 0; i < dims - (cn > 1); i++ )
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step[i] = (size_t)_strides[i];
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datastart = data = (uchar*)PyArray_DATA((PyArrayObject*) o);
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}
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void deallocate(int* refcount, uchar*, uchar*)
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{
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PyEnsureGIL gil;
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if( !refcount )
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return;
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PyObject* o = pyObjectFromRefcount(refcount);
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Py_INCREF(o);
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Py_DECREF(o);
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}
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};
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NumpyAllocator g_numpyAllocator;
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template<typename T> static
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bool pyopencv_to(PyObject* obj, T& p, const char* name = "<unknown>");
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template<typename T> static
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PyObject* pyopencv_from(const T& src);
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enum { ARG_NONE = 0, ARG_MAT = 1, ARG_SCALAR = 2 };
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// special case, when the convertor needs full ArgInfo structure
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static bool pyopencv_to(PyObject* o, Mat& m, const ArgInfo info)
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{
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bool allowND = true;
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if(!o || o == Py_None)
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{
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if( !m.data )
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m.allocator = &g_numpyAllocator;
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return true;
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}
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if( PyInt_Check(o) )
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{
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double v[] = {PyInt_AsLong((PyObject*)o), 0., 0., 0.};
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m = Mat(4, 1, CV_64F, v).clone();
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return true;
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}
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if( PyFloat_Check(o) )
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{
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double v[] = {PyFloat_AsDouble((PyObject*)o), 0., 0., 0.};
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m = Mat(4, 1, CV_64F, v).clone();
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return true;
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}
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if( PyTuple_Check(o) )
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{
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int i, sz = (int)PyTuple_Size((PyObject*)o);
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m = Mat(sz, 1, CV_64F);
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for( i = 0; i < sz; i++ )
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{
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PyObject* oi = PyTuple_GET_ITEM(o, i);
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if( PyInt_Check(oi) )
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m.at<double>(i) = (double)PyInt_AsLong(oi);
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else if( PyFloat_Check(oi) )
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m.at<double>(i) = (double)PyFloat_AsDouble(oi);
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else
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{
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failmsg("%s is not a numerical tuple", info.name);
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m.release();
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return false;
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}
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}
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return true;
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}
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if( !PyArray_Check(o) )
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{
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failmsg("%s is not a numpy array, neither a scalar", info.name);
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return false;
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}
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PyArrayObject* oarr = (PyArrayObject*) o;
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bool needcopy = false, needcast = false;
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int typenum = PyArray_TYPE(oarr), new_typenum = typenum;
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int type = typenum == NPY_UBYTE ? CV_8U :
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typenum == NPY_BYTE ? CV_8S :
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typenum == NPY_USHORT ? CV_16U :
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typenum == NPY_SHORT ? CV_16S :
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typenum == NPY_INT ? CV_32S :
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typenum == NPY_INT32 ? CV_32S :
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typenum == NPY_FLOAT ? CV_32F :
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typenum == NPY_DOUBLE ? CV_64F : -1;
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if( type < 0 )
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{
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if( typenum == NPY_INT64 || typenum == NPY_UINT64 || type == NPY_LONG )
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{
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needcopy = needcast = true;
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new_typenum = NPY_INT;
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type = CV_32S;
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}
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else
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{
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failmsg("%s data type = %d is not supported", info.name, typenum);
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return false;
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}
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}
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#ifndef CV_MAX_DIM
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const int CV_MAX_DIM = 32;
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#endif
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int ndims = PyArray_NDIM(oarr);
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if(ndims >= CV_MAX_DIM)
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{
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failmsg("%s dimensionality (=%d) is too high", info.name, ndims);
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return false;
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}
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int size[CV_MAX_DIM+1];
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size_t step[CV_MAX_DIM+1];
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size_t elemsize = CV_ELEM_SIZE1(type);
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const npy_intp* _sizes = PyArray_DIMS(oarr);
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const npy_intp* _strides = PyArray_STRIDES(oarr);
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bool ismultichannel = ndims == 3 && _sizes[2] <= CV_CN_MAX;
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for( int i = ndims-1; i >= 0 && !needcopy; i-- )
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{
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// these checks handle cases of
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// a) multi-dimensional (ndims > 2) arrays, as well as simpler 1- and 2-dimensional cases
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// b) transposed arrays, where _strides[] elements go in non-descending order
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// c) flipped arrays, where some of _strides[] elements are negative
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if( (i == ndims-1 && (size_t)_strides[i] != elemsize) ||
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(i < ndims-1 && _strides[i] < _strides[i+1]) )
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needcopy = true;
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}
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if( ismultichannel && _strides[1] != (npy_intp)elemsize*_sizes[2] )
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needcopy = true;
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if (needcopy)
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{
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if (info.outputarg)
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{
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failmsg("Layout of the output array %s is incompatible with cv::Mat (step[ndims-1] != elemsize or step[1] != elemsize*nchannels)", info.name);
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return false;
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}
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if( needcast ) {
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o = PyArray_Cast(oarr, new_typenum);
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oarr = (PyArrayObject*) o;
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}
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else {
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oarr = PyArray_GETCONTIGUOUS(oarr);
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o = (PyObject*) oarr;
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}
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_strides = PyArray_STRIDES(oarr);
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}
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for(int i = 0; i < ndims; i++)
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{
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size[i] = (int)_sizes[i];
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step[i] = (size_t)_strides[i];
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}
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// handle degenerate case
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if( ndims == 0) {
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size[ndims] = 1;
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step[ndims] = elemsize;
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ndims++;
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}
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if( ismultichannel )
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{
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ndims--;
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type |= CV_MAKETYPE(0, size[2]);
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}
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if( ndims > 2 && !allowND )
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{
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failmsg("%s has more than 2 dimensions", info.name);
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return false;
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}
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m = Mat(ndims, size, type, PyArray_DATA(oarr), step);
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if( m.data )
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{
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m.refcount = refcountFromPyObject(o);
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if (!needcopy)
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{
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m.addref(); // protect the original numpy array from deallocation
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// (since Mat destructor will decrement the reference counter)
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}
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};
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m.allocator = &g_numpyAllocator;
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return true;
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}
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template<>
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PyObject* pyopencv_from(const Mat& m)
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{
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if( !m.data )
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Py_RETURN_NONE;
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Mat temp, *p = (Mat*)&m;
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if(!p->refcount || p->allocator != &g_numpyAllocator)
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{
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temp.allocator = &g_numpyAllocator;
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ERRWRAP2(m.copyTo(temp));
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p = &temp;
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}
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p->addref();
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return pyObjectFromRefcount(p->refcount);
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}
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template<>
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bool pyopencv_to(PyObject *o, Scalar& s, const char *name)
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{
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if(!o || o == Py_None)
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return true;
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if (PySequence_Check(o)) {
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PyObject *fi = PySequence_Fast(o, name);
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if (fi == NULL)
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return false;
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if (4 < PySequence_Fast_GET_SIZE(fi))
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{
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failmsg("Scalar value for argument '%s' is longer than 4", name);
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return false;
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}
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for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
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PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
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if (PyFloat_Check(item) || PyInt_Check(item)) {
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s[(int)i] = PyFloat_AsDouble(item);
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} else {
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failmsg("Scalar value for argument '%s' is not numeric", name);
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return false;
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}
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}
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Py_DECREF(fi);
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} else {
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if (PyFloat_Check(o) || PyInt_Check(o)) {
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s[0] = PyFloat_AsDouble(o);
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} else {
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failmsg("Scalar value for argument '%s' is not numeric", name);
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return false;
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}
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}
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return true;
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}
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template<>
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PyObject* pyopencv_from(const Scalar& src)
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{
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return Py_BuildValue("(dddd)", src[0], src[1], src[2], src[3]);
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}
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template<>
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PyObject* pyopencv_from(const bool& value)
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{
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return PyBool_FromLong(value);
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}
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template<>
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bool pyopencv_to(PyObject* obj, bool& value, const char* name)
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{
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(void)name;
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if(!obj || obj == Py_None)
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return true;
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int _val = PyObject_IsTrue(obj);
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if(_val < 0)
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return false;
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value = _val > 0;
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return true;
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}
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template<>
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PyObject* pyopencv_from(const size_t& value)
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{
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return PyLong_FromSize_t(value);
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}
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template<>
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bool pyopencv_to(PyObject* obj, size_t& value, const char* name)
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{
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(void)name;
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if(!obj || obj == Py_None)
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return true;
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value = (int)PyLong_AsUnsignedLong(obj);
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return value != (size_t)-1 || !PyErr_Occurred();
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}
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template<>
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PyObject* pyopencv_from(const int& value)
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{
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return PyInt_FromLong(value);
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}
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template<>
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PyObject* pyopencv_from(const cvflann_flann_algorithm_t& value)
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{
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return PyInt_FromLong(int(value));
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}
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template<>
|
|
PyObject* pyopencv_from(const cvflann_flann_distance_t& value)
|
|
{
|
|
return PyInt_FromLong(int(value));
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, int& value, const char* name)
|
|
{
|
|
(void)name;
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
if(PyInt_Check(obj))
|
|
value = (int)PyInt_AsLong(obj);
|
|
else if(PyLong_Check(obj))
|
|
value = (int)PyLong_AsLong(obj);
|
|
else
|
|
return false;
|
|
return value != -1 || !PyErr_Occurred();
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const uchar& value)
|
|
{
|
|
return PyInt_FromLong(value);
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, uchar& value, const char* name)
|
|
{
|
|
(void)name;
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
int ivalue = (int)PyInt_AsLong(obj);
|
|
value = cv::saturate_cast<uchar>(ivalue);
|
|
return ivalue != -1 || !PyErr_Occurred();
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const double& value)
|
|
{
|
|
return PyFloat_FromDouble(value);
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, double& value, const char* name)
|
|
{
|
|
(void)name;
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
if(!!PyInt_CheckExact(obj))
|
|
value = (double)PyInt_AS_LONG(obj);
|
|
else
|
|
value = PyFloat_AsDouble(obj);
|
|
return !PyErr_Occurred();
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const float& value)
|
|
{
|
|
return PyFloat_FromDouble(value);
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, float& value, const char* name)
|
|
{
|
|
(void)name;
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
if(!!PyInt_CheckExact(obj))
|
|
value = (float)PyInt_AS_LONG(obj);
|
|
else
|
|
value = (float)PyFloat_AsDouble(obj);
|
|
return !PyErr_Occurred();
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const int64& value)
|
|
{
|
|
return PyLong_FromLongLong(value);
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const String& value)
|
|
{
|
|
return PyString_FromString(value.empty() ? "" : value.c_str());
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, String& value, const char* name)
|
|
{
|
|
(void)name;
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
char* str = PyString_AsString(obj);
|
|
if(!str)
|
|
return false;
|
|
value = String(str);
|
|
return true;
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, Size& sz, const char* name)
|
|
{
|
|
(void)name;
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
return PyArg_ParseTuple(obj, "ii", &sz.width, &sz.height) > 0;
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const Size& sz)
|
|
{
|
|
return Py_BuildValue("(ii)", sz.width, sz.height);
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, Rect& r, const char* name)
|
|
{
|
|
(void)name;
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
return PyArg_ParseTuple(obj, "iiii", &r.x, &r.y, &r.width, &r.height) > 0;
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const Rect& r)
|
|
{
|
|
return Py_BuildValue("(iiii)", r.x, r.y, r.width, r.height);
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, Range& r, const char* name)
|
|
{
|
|
(void)name;
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
if(PyObject_Size(obj) == 0)
|
|
{
|
|
r = Range::all();
|
|
return true;
|
|
}
|
|
return PyArg_ParseTuple(obj, "ii", &r.start, &r.end) > 0;
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const Range& r)
|
|
{
|
|
return Py_BuildValue("(ii)", r.start, r.end);
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, Point& p, const char* name)
|
|
{
|
|
(void)name;
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
if(!!PyComplex_CheckExact(obj))
|
|
{
|
|
Py_complex c = PyComplex_AsCComplex(obj);
|
|
p.x = saturate_cast<int>(c.real);
|
|
p.y = saturate_cast<int>(c.imag);
|
|
return true;
|
|
}
|
|
return PyArg_ParseTuple(obj, "ii", &p.x, &p.y) > 0;
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, Point2f& p, const char* name)
|
|
{
|
|
(void)name;
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
if(!!PyComplex_CheckExact(obj))
|
|
{
|
|
Py_complex c = PyComplex_AsCComplex(obj);
|
|
p.x = saturate_cast<float>(c.real);
|
|
p.y = saturate_cast<float>(c.imag);
|
|
return true;
|
|
}
|
|
return PyArg_ParseTuple(obj, "ff", &p.x, &p.y) > 0;
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const Point& p)
|
|
{
|
|
return Py_BuildValue("(ii)", p.x, p.y);
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const Point2f& p)
|
|
{
|
|
return Py_BuildValue("(dd)", p.x, p.y);
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, Vec3d& v, const char* name)
|
|
{
|
|
(void)name;
|
|
if(!obj)
|
|
return true;
|
|
return PyArg_ParseTuple(obj, "ddd", &v[0], &v[1], &v[2]) > 0;
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const Vec3d& v)
|
|
{
|
|
return Py_BuildValue("(ddd)", v[0], v[1], v[2]);
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const Vec2d& v)
|
|
{
|
|
return Py_BuildValue("(dd)", v[0], v[1]);
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const Point2d& p)
|
|
{
|
|
return Py_BuildValue("(dd)", p.x, p.y);
|
|
}
|
|
|
|
template<typename _Tp> struct pyopencvVecConverter
|
|
{
|
|
static bool to(PyObject* obj, std::vector<_Tp>& value, const ArgInfo info)
|
|
{
|
|
typedef typename DataType<_Tp>::channel_type _Cp;
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
if (PyArray_Check(obj))
|
|
{
|
|
Mat m;
|
|
pyopencv_to(obj, m, info);
|
|
m.copyTo(value);
|
|
}
|
|
if (!PySequence_Check(obj))
|
|
return false;
|
|
PyObject *seq = PySequence_Fast(obj, info.name);
|
|
if (seq == NULL)
|
|
return false;
|
|
int i, j, n = (int)PySequence_Fast_GET_SIZE(seq);
|
|
value.resize(n);
|
|
|
|
int type = DataType<_Tp>::type;
|
|
int depth = CV_MAT_DEPTH(type), channels = CV_MAT_CN(type);
|
|
PyObject** items = PySequence_Fast_ITEMS(seq);
|
|
|
|
for( i = 0; i < n; i++ )
|
|
{
|
|
PyObject* item = items[i];
|
|
PyObject* seq_i = 0;
|
|
PyObject** items_i = &item;
|
|
_Cp* data = (_Cp*)&value[i];
|
|
|
|
if( channels == 2 && PyComplex_CheckExact(item) )
|
|
{
|
|
Py_complex c = PyComplex_AsCComplex(obj);
|
|
data[0] = saturate_cast<_Cp>(c.real);
|
|
data[1] = saturate_cast<_Cp>(c.imag);
|
|
continue;
|
|
}
|
|
if( channels > 1 )
|
|
{
|
|
if( PyArray_Check(item))
|
|
{
|
|
Mat src;
|
|
pyopencv_to(item, src, info);
|
|
if( src.dims != 2 || src.channels() != 1 ||
|
|
((src.cols != 1 || src.rows != channels) &&
|
|
(src.cols != channels || src.rows != 1)))
|
|
break;
|
|
Mat dst(src.rows, src.cols, depth, data);
|
|
src.convertTo(dst, type);
|
|
if( dst.data != (uchar*)data )
|
|
break;
|
|
continue;
|
|
}
|
|
|
|
seq_i = PySequence_Fast(item, info.name);
|
|
if( !seq_i || (int)PySequence_Fast_GET_SIZE(seq_i) != channels )
|
|
{
|
|
Py_XDECREF(seq_i);
|
|
break;
|
|
}
|
|
items_i = PySequence_Fast_ITEMS(seq_i);
|
|
}
|
|
|
|
for( j = 0; j < channels; j++ )
|
|
{
|
|
PyObject* item_ij = items_i[j];
|
|
if( PyInt_Check(item_ij))
|
|
{
|
|
int v = (int)PyInt_AsLong(item_ij);
|
|
if( v == -1 && PyErr_Occurred() )
|
|
break;
|
|
data[j] = saturate_cast<_Cp>(v);
|
|
}
|
|
else if( PyLong_Check(item_ij))
|
|
{
|
|
int v = (int)PyLong_AsLong(item_ij);
|
|
if( v == -1 && PyErr_Occurred() )
|
|
break;
|
|
data[j] = saturate_cast<_Cp>(v);
|
|
}
|
|
else if( PyFloat_Check(item_ij))
|
|
{
|
|
double v = PyFloat_AsDouble(item_ij);
|
|
if( PyErr_Occurred() )
|
|
break;
|
|
data[j] = saturate_cast<_Cp>(v);
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
Py_XDECREF(seq_i);
|
|
if( j < channels )
|
|
break;
|
|
}
|
|
Py_DECREF(seq);
|
|
return i == n;
|
|
}
|
|
|
|
static PyObject* from(const std::vector<_Tp>& value)
|
|
{
|
|
if(value.empty())
|
|
return PyTuple_New(0);
|
|
Mat src((int)value.size(), DataType<_Tp>::channels, DataType<_Tp>::depth, (uchar*)&value[0]);
|
|
return pyopencv_from(src);
|
|
}
|
|
};
|
|
|
|
template<typename _Tp>
|
|
bool pyopencv_to(PyObject* obj, std::vector<_Tp>& value, const ArgInfo info)
|
|
{
|
|
return pyopencvVecConverter<_Tp>::to(obj, value, info);
|
|
}
|
|
|
|
template<typename _Tp>
|
|
PyObject* pyopencv_from(const std::vector<_Tp>& value)
|
|
{
|
|
return pyopencvVecConverter<_Tp>::from(value);
|
|
}
|
|
|
|
template<typename _Tp> static inline bool pyopencv_to_generic_vec(PyObject* obj, std::vector<_Tp>& value, const ArgInfo info)
|
|
{
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
if (!PySequence_Check(obj))
|
|
return false;
|
|
PyObject *seq = PySequence_Fast(obj, info.name);
|
|
if (seq == NULL)
|
|
return false;
|
|
int i, n = (int)PySequence_Fast_GET_SIZE(seq);
|
|
value.resize(n);
|
|
|
|
PyObject** items = PySequence_Fast_ITEMS(seq);
|
|
|
|
for( i = 0; i < n; i++ )
|
|
{
|
|
PyObject* item = items[i];
|
|
if(!pyopencv_to(item, value[i], info))
|
|
break;
|
|
}
|
|
Py_DECREF(seq);
|
|
return i == n;
|
|
}
|
|
|
|
template<typename _Tp> static inline PyObject* pyopencv_from_generic_vec(const std::vector<_Tp>& value)
|
|
{
|
|
int i, n = (int)value.size();
|
|
PyObject* seq = PyList_New(n);
|
|
for( i = 0; i < n; i++ )
|
|
{
|
|
PyObject* item = pyopencv_from(value[i]);
|
|
if(!item)
|
|
break;
|
|
PyList_SET_ITEM(seq, i, item);
|
|
}
|
|
if( i < n )
|
|
{
|
|
Py_DECREF(seq);
|
|
return 0;
|
|
}
|
|
return seq;
|
|
}
|
|
|
|
|
|
template<typename _Tp> struct pyopencvVecConverter<std::vector<_Tp> >
|
|
{
|
|
static bool to(PyObject* obj, std::vector<std::vector<_Tp> >& value, const ArgInfo info)
|
|
{
|
|
return pyopencv_to_generic_vec(obj, value, info);
|
|
}
|
|
|
|
static PyObject* from(const std::vector<std::vector<_Tp> >& value)
|
|
{
|
|
return pyopencv_from_generic_vec(value);
|
|
}
|
|
};
|
|
|
|
template<> struct pyopencvVecConverter<Mat>
|
|
{
|
|
static bool to(PyObject* obj, std::vector<Mat>& value, const ArgInfo info)
|
|
{
|
|
return pyopencv_to_generic_vec(obj, value, info);
|
|
}
|
|
|
|
static PyObject* from(const std::vector<Mat>& value)
|
|
{
|
|
return pyopencv_from_generic_vec(value);
|
|
}
|
|
};
|
|
|
|
template<> struct pyopencvVecConverter<KeyPoint>
|
|
{
|
|
static bool to(PyObject* obj, std::vector<KeyPoint>& value, const ArgInfo info)
|
|
{
|
|
return pyopencv_to_generic_vec(obj, value, info);
|
|
}
|
|
|
|
static PyObject* from(const std::vector<KeyPoint>& value)
|
|
{
|
|
return pyopencv_from_generic_vec(value);
|
|
}
|
|
};
|
|
|
|
template<> struct pyopencvVecConverter<DMatch>
|
|
{
|
|
static bool to(PyObject* obj, std::vector<DMatch>& value, const ArgInfo info)
|
|
{
|
|
return pyopencv_to_generic_vec(obj, value, info);
|
|
}
|
|
|
|
static PyObject* from(const std::vector<DMatch>& value)
|
|
{
|
|
return pyopencv_from_generic_vec(value);
|
|
}
|
|
};
|
|
|
|
template<> struct pyopencvVecConverter<String>
|
|
{
|
|
static bool to(PyObject* obj, std::vector<String>& value, const ArgInfo info)
|
|
{
|
|
return pyopencv_to_generic_vec(obj, value, info);
|
|
}
|
|
|
|
static PyObject* from(const std::vector<String>& value)
|
|
{
|
|
return pyopencv_from_generic_vec(value);
|
|
}
|
|
};
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject *obj, TermCriteria& dst, const char *name)
|
|
{
|
|
(void)name;
|
|
if(!obj)
|
|
return true;
|
|
return PyArg_ParseTuple(obj, "iid", &dst.type, &dst.maxCount, &dst.epsilon) > 0;
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const TermCriteria& src)
|
|
{
|
|
return Py_BuildValue("(iid)", src.type, src.maxCount, src.epsilon);
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject *obj, RotatedRect& dst, const char *name)
|
|
{
|
|
(void)name;
|
|
if(!obj)
|
|
return true;
|
|
return PyArg_ParseTuple(obj, "(ff)(ff)f", &dst.center.x, &dst.center.y, &dst.size.width, &dst.size.height, &dst.angle) > 0;
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const RotatedRect& src)
|
|
{
|
|
return Py_BuildValue("((ff)(ff)f)", src.center.x, src.center.y, src.size.width, src.size.height, src.angle);
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(const Moments& m)
|
|
{
|
|
return Py_BuildValue("{s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d,s:d}",
|
|
"m00", m.m00, "m10", m.m10, "m01", m.m01,
|
|
"m20", m.m20, "m11", m.m11, "m02", m.m02,
|
|
"m30", m.m30, "m21", m.m21, "m12", m.m12, "m03", m.m03,
|
|
"mu20", m.mu20, "mu11", m.mu11, "mu02", m.mu02,
|
|
"mu30", m.mu30, "mu21", m.mu21, "mu12", m.mu12, "mu03", m.mu03,
|
|
"nu20", m.nu20, "nu11", m.nu11, "nu02", m.nu02,
|
|
"nu30", m.nu30, "nu21", m.nu21, "nu12", m.nu12, "nu03", m.nu03);
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject *o, cv::flann::IndexParams& p, const char *name)
|
|
{
|
|
(void)name;
|
|
bool ok = false;
|
|
PyObject* keys = PyObject_CallMethod(o,(char*)"keys",0);
|
|
PyObject* values = PyObject_CallMethod(o,(char*)"values",0);
|
|
|
|
if( keys && values )
|
|
{
|
|
int i, n = (int)PyList_GET_SIZE(keys);
|
|
for( i = 0; i < n; i++ )
|
|
{
|
|
PyObject* key = PyList_GET_ITEM(keys, i);
|
|
PyObject* item = PyList_GET_ITEM(values, i);
|
|
if( !PyString_Check(key) )
|
|
break;
|
|
String k = PyString_AsString(key);
|
|
if( PyString_Check(item) )
|
|
{
|
|
const char* value = PyString_AsString(item);
|
|
p.setString(k, value);
|
|
}
|
|
else if( !!PyBool_Check(item) )
|
|
p.setBool(k, item == Py_True);
|
|
else if( PyInt_Check(item) )
|
|
{
|
|
int value = (int)PyInt_AsLong(item);
|
|
if( strcmp(k.c_str(), "algorithm") == 0 )
|
|
p.setAlgorithm(value);
|
|
else
|
|
p.setInt(k, value);
|
|
}
|
|
else if( PyFloat_Check(item) )
|
|
{
|
|
double value = PyFloat_AsDouble(item);
|
|
p.setDouble(k, value);
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
ok = i == n && !PyErr_Occurred();
|
|
}
|
|
|
|
Py_XDECREF(keys);
|
|
Py_XDECREF(values);
|
|
return ok;
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, cv::flann::SearchParams & value, const char * name)
|
|
{
|
|
return pyopencv_to<cv::flann::IndexParams>(obj, value, name);
|
|
}
|
|
|
|
template <typename T>
|
|
bool pyopencv_to(PyObject *o, Ptr<T>& p, const char *name)
|
|
{
|
|
p = new T();
|
|
return pyopencv_to(o, *p, name);
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject *o, cvflann::flann_distance_t& dist, const char *name)
|
|
{
|
|
int d = (int)dist;
|
|
bool ok = pyopencv_to(o, d, name);
|
|
dist = (cvflann::flann_distance_t)d;
|
|
return ok;
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// TODO: REMOVE used only by ml wrapper
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject *obj, CvTermCriteria& dst, const char *name)
|
|
{
|
|
(void)name;
|
|
if(!obj)
|
|
return true;
|
|
return PyArg_ParseTuple(obj, "iid", &dst.type, &dst.max_iter, &dst.epsilon) > 0;
|
|
}
|
|
|
|
template<>
|
|
bool pyopencv_to(PyObject* obj, CvSlice& r, const char* name)
|
|
{
|
|
(void)name;
|
|
if(!obj || obj == Py_None)
|
|
return true;
|
|
if(PyObject_Size(obj) == 0)
|
|
{
|
|
r = CV_WHOLE_SEQ;
|
|
return true;
|
|
}
|
|
return PyArg_ParseTuple(obj, "ii", &r.start_index, &r.end_index) > 0;
|
|
}
|
|
|
|
template<>
|
|
PyObject* pyopencv_from(CvDTreeNode* const & node)
|
|
{
|
|
double value = node->value;
|
|
int ivalue = cvRound(value);
|
|
return value == ivalue ? PyInt_FromLong(ivalue) : PyFloat_FromDouble(value);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
static void OnMouse(int event, int x, int y, int flags, void* param)
|
|
{
|
|
PyGILState_STATE gstate;
|
|
gstate = PyGILState_Ensure();
|
|
|
|
PyObject *o = (PyObject*)param;
|
|
PyObject *args = Py_BuildValue("iiiiO", event, x, y, flags, PyTuple_GetItem(o, 1));
|
|
|
|
PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
|
|
if (r == NULL)
|
|
PyErr_Print();
|
|
else
|
|
Py_DECREF(r);
|
|
Py_DECREF(args);
|
|
PyGILState_Release(gstate);
|
|
}
|
|
|
|
static PyObject *pycvSetMouseCallback(PyObject*, PyObject *args, PyObject *kw)
|
|
{
|
|
const char *keywords[] = { "window_name", "on_mouse", "param", NULL };
|
|
char* name;
|
|
PyObject *on_mouse;
|
|
PyObject *param = NULL;
|
|
|
|
if (!PyArg_ParseTupleAndKeywords(args, kw, "sO|O", (char**)keywords, &name, &on_mouse, ¶m))
|
|
return NULL;
|
|
if (!PyCallable_Check(on_mouse)) {
|
|
PyErr_SetString(PyExc_TypeError, "on_mouse must be callable");
|
|
return NULL;
|
|
}
|
|
if (param == NULL) {
|
|
param = Py_None;
|
|
}
|
|
ERRWRAP2(setMouseCallback(name, OnMouse, Py_BuildValue("OO", on_mouse, param)));
|
|
Py_RETURN_NONE;
|
|
}
|
|
|
|
static void OnChange(int pos, void *param)
|
|
{
|
|
PyGILState_STATE gstate;
|
|
gstate = PyGILState_Ensure();
|
|
|
|
PyObject *o = (PyObject*)param;
|
|
PyObject *args = Py_BuildValue("(i)", pos);
|
|
PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
|
|
if (r == NULL)
|
|
PyErr_Print();
|
|
Py_DECREF(args);
|
|
PyGILState_Release(gstate);
|
|
}
|
|
|
|
static PyObject *pycvCreateTrackbar(PyObject*, PyObject *args)
|
|
{
|
|
PyObject *on_change;
|
|
char* trackbar_name;
|
|
char* window_name;
|
|
int *value = new int;
|
|
int count;
|
|
|
|
if (!PyArg_ParseTuple(args, "ssiiO", &trackbar_name, &window_name, value, &count, &on_change))
|
|
return NULL;
|
|
if (!PyCallable_Check(on_change)) {
|
|
PyErr_SetString(PyExc_TypeError, "on_change must be callable");
|
|
return NULL;
|
|
}
|
|
ERRWRAP2(createTrackbar(trackbar_name, window_name, value, count, OnChange, Py_BuildValue("OO", on_change, Py_None)));
|
|
Py_RETURN_NONE;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
static int convert_to_char(PyObject *o, char *dst, const char *name = "no_name")
|
|
{
|
|
if (PyString_Check(o) && PyString_Size(o) == 1) {
|
|
*dst = PyString_AsString(o)[0];
|
|
return 1;
|
|
} else {
|
|
(*dst) = 0;
|
|
return failmsg("Expected single character string for argument '%s'", name);
|
|
}
|
|
}
|
|
|
|
#if PY_MAJOR_VERSION >= 3
|
|
#define MKTYPE2(NAME) pyopencv_##NAME##_specials(); if (!to_ok(&pyopencv_##NAME##_Type)) return NULL;
|
|
#else
|
|
#define MKTYPE2(NAME) pyopencv_##NAME##_specials(); if (!to_ok(&pyopencv_##NAME##_Type)) return
|
|
#endif
|
|
|
|
#ifdef __GNUC__
|
|
# pragma GCC diagnostic ignored "-Wunused-parameter"
|
|
# pragma GCC diagnostic ignored "-Wmissing-field-initializers"
|
|
#endif
|
|
|
|
#include "pyopencv_generated_types.h"
|
|
#include "pyopencv_generated_funcs.h"
|
|
|
|
static PyMethodDef methods[] = {
|
|
|
|
#include "pyopencv_generated_func_tab.h"
|
|
{"createTrackbar", pycvCreateTrackbar, METH_VARARGS, "createTrackbar(trackbarName, windowName, value, count, onChange) -> None"},
|
|
{"setMouseCallback", (PyCFunction)pycvSetMouseCallback, METH_VARARGS | METH_KEYWORDS, "setMouseCallback(windowName, onMouse [, param]) -> None"},
|
|
{NULL, NULL},
|
|
};
|
|
|
|
/************************************************************************/
|
|
/* Module init */
|
|
|
|
static int to_ok(PyTypeObject *to)
|
|
{
|
|
to->tp_alloc = PyType_GenericAlloc;
|
|
to->tp_new = PyType_GenericNew;
|
|
to->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE;
|
|
return (PyType_Ready(to) == 0);
|
|
}
|
|
|
|
|
|
#if PY_MAJOR_VERSION >= 3
|
|
extern "C" CV_EXPORTS PyObject* PyInit_cv2();
|
|
static struct PyModuleDef cv2_moduledef =
|
|
{
|
|
PyModuleDef_HEAD_INIT,
|
|
MODULESTR,
|
|
"Python wrapper for OpenCV.",
|
|
-1, /* size of per-interpreter state of the module,
|
|
or -1 if the module keeps state in global variables. */
|
|
methods
|
|
};
|
|
|
|
PyObject* PyInit_cv2()
|
|
#else
|
|
extern "C" CV_EXPORTS void initcv2();
|
|
|
|
void initcv2()
|
|
#endif
|
|
{
|
|
import_array();
|
|
|
|
#include "pyopencv_generated_type_reg.h"
|
|
|
|
#if PY_MAJOR_VERSION >= 3
|
|
PyObject* m = PyModule_Create(&cv2_moduledef);
|
|
#else
|
|
PyObject* m = Py_InitModule(MODULESTR, methods);
|
|
#endif
|
|
PyObject* d = PyModule_GetDict(m);
|
|
|
|
PyDict_SetItemString(d, "__version__", PyString_FromString(CV_VERSION));
|
|
|
|
opencv_error = PyErr_NewException((char*)MODULESTR".error", NULL, NULL);
|
|
PyDict_SetItemString(d, "error", opencv_error);
|
|
|
|
#define PUBLISH(I) PyDict_SetItemString(d, #I, PyInt_FromLong(I))
|
|
//#define PUBLISHU(I) PyDict_SetItemString(d, #I, PyLong_FromUnsignedLong(I))
|
|
#define PUBLISH2(I, value) PyDict_SetItemString(d, #I, PyLong_FromLong(value))
|
|
|
|
PUBLISH(CV_8U);
|
|
PUBLISH(CV_8UC1);
|
|
PUBLISH(CV_8UC2);
|
|
PUBLISH(CV_8UC3);
|
|
PUBLISH(CV_8UC4);
|
|
PUBLISH(CV_8S);
|
|
PUBLISH(CV_8SC1);
|
|
PUBLISH(CV_8SC2);
|
|
PUBLISH(CV_8SC3);
|
|
PUBLISH(CV_8SC4);
|
|
PUBLISH(CV_16U);
|
|
PUBLISH(CV_16UC1);
|
|
PUBLISH(CV_16UC2);
|
|
PUBLISH(CV_16UC3);
|
|
PUBLISH(CV_16UC4);
|
|
PUBLISH(CV_16S);
|
|
PUBLISH(CV_16SC1);
|
|
PUBLISH(CV_16SC2);
|
|
PUBLISH(CV_16SC3);
|
|
PUBLISH(CV_16SC4);
|
|
PUBLISH(CV_32S);
|
|
PUBLISH(CV_32SC1);
|
|
PUBLISH(CV_32SC2);
|
|
PUBLISH(CV_32SC3);
|
|
PUBLISH(CV_32SC4);
|
|
PUBLISH(CV_32F);
|
|
PUBLISH(CV_32FC1);
|
|
PUBLISH(CV_32FC2);
|
|
PUBLISH(CV_32FC3);
|
|
PUBLISH(CV_32FC4);
|
|
PUBLISH(CV_64F);
|
|
PUBLISH(CV_64FC1);
|
|
PUBLISH(CV_64FC2);
|
|
PUBLISH(CV_64FC3);
|
|
PUBLISH(CV_64FC4);
|
|
|
|
#include "pyopencv_generated_const_reg.h"
|
|
#if PY_MAJOR_VERSION >= 3
|
|
return m;
|
|
#endif
|
|
}
|