* \addtogroup gapi_meta_args
* @{
*/
-struct GArrayDesc
+struct GAPI_EXPORTS_W_SIMPLE GArrayDesc
{
// FIXME: Body
// FIXME: Also implement proper operator== then
bool operator== (const GArrayDesc&) const { return true; }
};
template<typename U> GArrayDesc descr_of(const std::vector<U> &) { return {};}
-static inline GArrayDesc empty_array_desc() {return {}; }
+GAPI_EXPORTS_W inline GArrayDesc empty_array_desc() {return {}; }
/** @} */
std::ostream& operator<<(std::ostream& os, const cv::GArrayDesc &desc);
* \addtogroup gapi_meta_args
* @{
*/
-struct GAPI_EXPORTS GMatDesc
+struct GAPI_EXPORTS_W_SIMPLE GMatDesc
{
// FIXME: Default initializers in C++14
- int depth;
- int chan;
- cv::Size size; // NB.: no multi-dimensional cases covered yet
- bool planar;
- std::vector<int> dims; // FIXME: Maybe it's real questionable to have it here
+ GAPI_PROP int depth;
+ GAPI_PROP int chan;
+ GAPI_PROP cv::Size size; // NB.: no multi-dimensional cases covered yet
+ GAPI_PROP bool planar;
+ GAPI_PROP std::vector<int> dims; // FIXME: Maybe it's real questionable to have it here
- GMatDesc(int d, int c, cv::Size s, bool p = false)
+ GAPI_WRAP GMatDesc(int d, int c, cv::Size s, bool p = false)
: depth(d), chan(c), size(s), planar(p) {}
- GMatDesc(int d, const std::vector<int> &dd)
+ GAPI_WRAP GMatDesc(int d, const std::vector<int> &dd)
: depth(d), chan(-1), size{-1,-1}, planar(false), dims(dd) {}
- GMatDesc(int d, std::vector<int> &&dd)
+ GAPI_WRAP GMatDesc(int d, std::vector<int> &&dd)
: depth(d), chan(-1), size{-1,-1}, planar(false), dims(std::move(dd)) {}
- GMatDesc() : GMatDesc(-1, -1, {-1,-1}) {}
+ GAPI_WRAP GMatDesc() : GMatDesc(-1, -1, {-1,-1}) {}
inline bool operator== (const GMatDesc &rhs) const
{
// Meta combinator: return a new GMatDesc with specified data depth
// and number of channels.
// (all other fields are taken unchanged from this GMatDesc)
- GMatDesc withType(int ddepth, int dchan) const
+ GAPI_WRAP GMatDesc withType(int ddepth, int dchan) const
{
GAPI_Assert(CV_MAT_CN(ddepth) == 1 || ddepth == -1);
GMatDesc desc = withDepth(ddepth);
* \addtogroup gapi_meta_args
* @{
*/
-struct GOpaqueDesc
+struct GAPI_EXPORTS_W_SIMPLE GOpaqueDesc
{
// FIXME: Body
// FIXME: Also implement proper operator== then
bool operator== (const GOpaqueDesc&) const { return true; }
};
template<typename U> GOpaqueDesc descr_of(const U &) { return {};}
-static inline GOpaqueDesc empty_gopaque_desc() {return {}; }
+GAPI_EXPORTS_W inline GOpaqueDesc empty_gopaque_desc() {return {}; }
/** @} */
std::ostream& operator<<(std::ostream& os, const cv::GOpaqueDesc &desc);
* \addtogroup gapi_meta_args
* @{
*/
-struct GScalarDesc
+struct GAPI_EXPORTS_W_SIMPLE GScalarDesc
{
// NB.: right now it is empty
}
};
-static inline GScalarDesc empty_scalar_desc() { return GScalarDesc(); }
+GAPI_EXPORTS_W inline GScalarDesc empty_scalar_desc() { return GScalarDesc(); }
-GAPI_EXPORTS GScalarDesc descr_of(const cv::Scalar &scalar);
+GAPI_EXPORTS GScalarDesc descr_of(const cv::Scalar &scalar);
std::ostream& operator<<(std::ostream& os, const cv::GScalarDesc &desc);
# include <opencv2/core/base.hpp>
# define GAPI_EXPORTS CV_EXPORTS
/* special informative macros for wrapper generators */
+# define GAPI_PROP CV_PROP
# define GAPI_WRAP CV_WRAP
# define GAPI_EXPORTS_W_SIMPLE CV_EXPORTS_W_SIMPLE
# define GAPI_EXPORTS_W CV_EXPORTS_W
# else
+# define GAPI_PROP
# define GAPI_WRAP
# define GAPI_EXPORTS
# define GAPI_EXPORTS_W_SIMPLE
#ifdef HAVE_OPENCV_GAPI
+#ifdef _MSC_VER
+#pragma warning(disable: 4503) // "decorated name length exceeded"
+ // on empty_meta(const cv::GMetaArgs&, const cv::GArgs&)
+#endif
+
#include <opencv2/gapi/cpu/gcpukernel.hpp>
#include <opencv2/gapi/python/python.hpp>
// FIXME: Now it's impossible to obtain meta function from operation,
// because kernel connects to operation only by id (string).
-static GMetaArgs empty_meta(const cv::GMetaArgs &, const cv::GArgs &) {
+static cv::GMetaArgs empty_meta(const cv::GMetaArgs &, const cv::GArgs &) {
return {};
}
+static GMetaArg get_meta_arg(PyObject* obj)
+{
+ if (PyObject_TypeCheck(obj,
+ reinterpret_cast<PyTypeObject*>(pyopencv_GMatDesc_TypePtr)))
+ {
+ return cv::GMetaArg{reinterpret_cast<pyopencv_GMatDesc_t*>(obj)->v};
+ }
+ else if (PyObject_TypeCheck(obj,
+ reinterpret_cast<PyTypeObject*>(pyopencv_GScalarDesc_TypePtr)))
+ {
+ return cv::GMetaArg{reinterpret_cast<pyopencv_GScalarDesc_t*>(obj)->v};
+ }
+ else if (PyObject_TypeCheck(obj,
+ reinterpret_cast<PyTypeObject*>(pyopencv_GArrayDesc_TypePtr)))
+ {
+ return cv::GMetaArg{reinterpret_cast<pyopencv_GArrayDesc_t*>(obj)->v};
+ }
+ else if (PyObject_TypeCheck(obj,
+ reinterpret_cast<PyTypeObject*>(pyopencv_GOpaqueDesc_TypePtr)))
+ {
+ return cv::GMetaArg{reinterpret_cast<pyopencv_GOpaqueDesc_t*>(obj)->v};
+ }
+ else
+ {
+ util::throw_error(std::logic_error("Unsupported output meta type"));
+ }
+}
+
+static cv::GMetaArgs get_meta_args(PyObject* tuple)
+{
+ size_t size = PyTuple_Size(tuple);
+
+ cv::GMetaArgs metas;
+ metas.reserve(size);
+ for (size_t i = 0; i < size; ++i)
+ {
+ metas.push_back(get_meta_arg(PyTuple_GetItem(tuple, i)));
+ }
+
+ return metas;
+}
+
+static GMetaArgs python_meta(PyObject* outMeta, const cv::GMetaArgs &meta, const cv::GArgs &gargs) {
+ PyGILState_STATE gstate;
+ gstate = PyGILState_Ensure();
+
+ cv::GMetaArgs out_metas;
+ try
+ {
+ PyObject* args = PyTuple_New(meta.size());
+ size_t idx = 0;
+ for (auto&& m : meta)
+ {
+ switch (m.index())
+ {
+ case cv::GMetaArg::index_of<cv::GMatDesc>():
+ PyTuple_SetItem(args, idx, pyopencv_from(cv::util::get<cv::GMatDesc>(m)));
+ break;
+ case cv::GMetaArg::index_of<cv::GScalarDesc>():
+ PyTuple_SetItem(args, idx, pyopencv_from(cv::util::get<cv::GScalarDesc>(m)));
+ break;
+ case cv::GMetaArg::index_of<cv::GArrayDesc>():
+ PyTuple_SetItem(args, idx, pyopencv_from(cv::util::get<cv::GArrayDesc>(m)));
+ break;
+ case cv::GMetaArg::index_of<cv::GOpaqueDesc>():
+ PyTuple_SetItem(args, idx, pyopencv_from(cv::util::get<cv::GOpaqueDesc>(m)));
+ break;
+ case cv::GMetaArg::index_of<cv::util::monostate>():
+ PyTuple_SetItem(args, idx, gargs[idx].get<PyObject*>());
+ break;
+ case cv::GMetaArg::index_of<cv::GFrameDesc>():
+ util::throw_error(std::logic_error("GFrame isn't supported for custom operation"));
+ break;
+ }
+ ++idx;
+ }
+ PyObject* result = PyObject_CallObject(outMeta, args);
+ out_metas = PyTuple_Check(result) ? get_meta_args(result)
+ : cv::GMetaArgs{get_meta_arg(result)};
+ }
+ catch (...)
+ {
+ PyGILState_Release(gstate);
+ throw;
+ }
+ PyGILState_Release(gstate);
+
+ return out_metas;
+}
+
static PyObject* pyopencv_cv_gapi_kernels(PyObject* , PyObject* py_args, PyObject*)
{
using namespace cv;
return pyopencv_from(pkg);
}
+static PyObject* pyopencv_cv_gapi_op(PyObject* , PyObject* py_args, PyObject*)
+{
+ using namespace cv;
+ Py_ssize_t size = PyTuple_Size(py_args);
+ std::string id;
+ if (!pyopencv_to(PyTuple_GetItem(py_args, 0), id, ArgInfo("id", false)))
+ {
+ PyErr_SetString(PyExc_TypeError, "Failed to obtain: operation id must be a string");
+ return NULL;
+ }
+ PyObject* outMeta = PyTuple_GetItem(py_args, 1);
+ Py_INCREF(outMeta);
+
+ cv::GArgs args;
+ for (int i = 2; i < size; i++)
+ {
+ PyObject* item = PyTuple_GetItem(py_args, i);
+ if (PyObject_TypeCheck(item,
+ reinterpret_cast<PyTypeObject*>(pyopencv_GMat_TypePtr)))
+ {
+ args.emplace_back(reinterpret_cast<pyopencv_GMat_t*>(item)->v);
+ }
+ else if (PyObject_TypeCheck(item,
+ reinterpret_cast<PyTypeObject*>(pyopencv_GScalar_TypePtr)))
+ {
+ args.emplace_back(reinterpret_cast<pyopencv_GScalar_t*>(item)->v);
+ }
+ else if (PyObject_TypeCheck(item,
+ reinterpret_cast<PyTypeObject*>(pyopencv_GOpaqueT_TypePtr)))
+ {
+ auto&& arg = reinterpret_cast<pyopencv_GOpaqueT_t*>(item)->v.arg();
+#define HC(T, K) case cv::GOpaqueT::Storage:: index_of<cv::GOpaque<T>>(): \
+ args.emplace_back(cv::util::get<cv::GOpaque<T>>(arg)); \
+ break; \
+
+ SWITCH(arg.index(), GOPAQUE_TYPE_LIST_G, HC)
+#undef HC
+ }
+ else if (PyObject_TypeCheck(item,
+ reinterpret_cast<PyTypeObject*>(pyopencv_GArrayT_TypePtr)))
+ {
+ auto&& arg = reinterpret_cast<pyopencv_GArrayT_t*>(item)->v.arg();
+#define HC(T, K) case cv::GArrayT::Storage:: index_of<cv::GArray<T>>(): \
+ args.emplace_back(cv::util::get<cv::GArray<T>>(arg)); \
+ break; \
+
+ SWITCH(arg.index(), GARRAY_TYPE_LIST_G, HC)
+#undef HC
+ }
+ else
+ {
+ Py_INCREF(item);
+ args.emplace_back(cv::GArg(item));
+ }
+ }
+
+ cv::GKernel::M outMetaWrapper = std::bind(python_meta,
+ outMeta,
+ std::placeholders::_1,
+ std::placeholders::_2);
+ return pyopencv_from(cv::gapi::wip::op(id, outMetaWrapper, std::move(args)));
+}
+
static PyObject* pyopencv_cv_gin(PyObject*, PyObject* py_args, PyObject*)
{
Py_INCREF(py_args);
class GAPI_EXPORTS_W_SIMPLE GOpaqueT
{
public:
+ GOpaqueT() = default;
using Storage = cv::detail::MakeVariantType<cv::GOpaque, GOPAQUE_TYPE_LIST_G(ID_, ID)>;
template<typename T>
class GAPI_EXPORTS_W_SIMPLE GArrayT
{
public:
+ GArrayT() = default;
using Storage = cv::detail::MakeVariantType<cv::GArray, GARRAY_TYPE_LIST_G(ID_, ID)>;
template<typename T>
Storage m_arg;
};
+namespace gapi {
+namespace wip {
+
+class GAPI_EXPORTS_W_SIMPLE GOutputs
+{
+public:
+ GOutputs() = default;
+ GOutputs(const std::string& id, cv::GKernel::M outMeta, cv::GArgs &&ins);
+
+ GAPI_WRAP cv::GMat getGMat();
+ GAPI_WRAP cv::GScalar getGScalar();
+ GAPI_WRAP cv::GArrayT getGArray(cv::gapi::ArgType type);
+ GAPI_WRAP cv::GOpaqueT getGOpaque(cv::gapi::ArgType type);
+
+private:
+ class Priv;
+ std::shared_ptr<Priv> m_priv;
+};
+
+GOutputs op(const std::string& id, cv::GKernel::M outMeta, cv::GArgs&& args);
+
+template <typename... T>
+GOutputs op(const std::string& id, cv::GKernel::M outMeta, T&&... args)
+{
+ return op(id, outMeta, cv::GArgs{cv::GArg(std::forward<T>(args))... });
+}
+
+} // namespace wip
+} // namespace gapi
} // namespace cv
+cv::gapi::wip::GOutputs cv::gapi::wip::op(const std::string& id,
+ cv::GKernel::M outMeta,
+ cv::GArgs&& args)
+{
+ cv::gapi::wip::GOutputs outputs{id, outMeta, std::move(args)};
+ return outputs;
+}
+
+class cv::gapi::wip::GOutputs::Priv
+{
+public:
+ Priv(const std::string& id, cv::GKernel::M outMeta, cv::GArgs &&ins);
+
+ cv::GMat getGMat();
+ cv::GScalar getGScalar();
+ cv::GArrayT getGArray(cv::gapi::ArgType);
+ cv::GOpaqueT getGOpaque(cv::gapi::ArgType);
+
+private:
+ int output = 0;
+ std::unique_ptr<cv::GCall> m_call;
+};
+
+cv::gapi::wip::GOutputs::Priv::Priv(const std::string& id, cv::GKernel::M outMeta, cv::GArgs &&args)
+{
+ cv::GKinds kinds;
+ kinds.reserve(args.size());
+ std::transform(args.begin(), args.end(), std::back_inserter(kinds),
+ [](const cv::GArg& arg) { return arg.opaque_kind; });
+
+ m_call.reset(new cv::GCall{cv::GKernel{id, {}, outMeta, {}, std::move(kinds), {}}});
+ m_call->setArgs(std::move(args));
+}
+
+cv::GMat cv::gapi::wip::GOutputs::Priv::getGMat()
+{
+ m_call->kernel().outShapes.push_back(cv::GShape::GMAT);
+ // ...so _empty_ constructor is passed here.
+ m_call->kernel().outCtors.emplace_back(cv::util::monostate{});
+ return m_call->yield(output++);
+}
+
+cv::GScalar cv::gapi::wip::GOutputs::Priv::getGScalar()
+{
+ m_call->kernel().outShapes.push_back(cv::GShape::GSCALAR);
+ // ...so _empty_ constructor is passed here.
+ m_call->kernel().outCtors.emplace_back(cv::util::monostate{});
+ return m_call->yieldScalar(output++);
+}
+
+cv::GArrayT cv::gapi::wip::GOutputs::Priv::getGArray(cv::gapi::ArgType type)
+{
+ m_call->kernel().outShapes.push_back(cv::GShape::GARRAY);
+#define HC(T, K) \
+ case K: \
+ m_call->kernel().outCtors.emplace_back(cv::detail::GObtainCtor<cv::GArray<T>>::get()); \
+ return cv::GArrayT(m_call->yieldArray<T>(output++)); \
+
+ SWITCH(type, GARRAY_TYPE_LIST_G, HC)
+#undef HC
+}
+
+cv::GOpaqueT cv::gapi::wip::GOutputs::Priv::getGOpaque(cv::gapi::ArgType type)
+{
+ m_call->kernel().outShapes.push_back(cv::GShape::GOPAQUE);
+#define HC(T, K) \
+ case K: \
+ m_call->kernel().outCtors.emplace_back(cv::detail::GObtainCtor<cv::GOpaque<T>>::get()); \
+ return cv::GOpaqueT(m_call->yieldOpaque<T>(output++)); \
+
+ SWITCH(type, GOPAQUE_TYPE_LIST_G, HC)
+#undef HC
+}
+
+cv::gapi::wip::GOutputs::GOutputs(const std::string& id,
+ cv::GKernel::M outMeta,
+ cv::GArgs &&ins) :
+ m_priv(new cv::gapi::wip::GOutputs::Priv(id, outMeta, std::move(ins)))
+{
+}
+
+cv::GMat cv::gapi::wip::GOutputs::getGMat()
+{
+ return m_priv->getGMat();
+}
+
+cv::GScalar cv::gapi::wip::GOutputs::getGScalar()
+{
+ return m_priv->getGScalar();
+}
+
+cv::GArrayT cv::gapi::wip::GOutputs::getGArray(cv::gapi::ArgType type)
+{
+ return m_priv->getGArray(type);
+}
+
+cv::GOpaqueT cv::gapi::wip::GOutputs::getGOpaque(cv::gapi::ArgType type)
+{
+ return m_priv->getGOpaque(type);
+}
+
#endif // OPENCV_GAPI_PYTHON_BRIDGE_HPP
GAPI_EXPORTS_W GCompileArgs compile_args(gapi::GKernelPackage pkg);
GAPI_EXPORTS_W GCompileArgs compile_args(gapi::GNetPackage pkg);
+ GAPI_EXPORTS_W GCompileArgs compile_args(gapi::GKernelPackage kernels, gapi::GNetPackage nets);
// NB: This classes doesn't exist in *.so
// HACK: Mark them as a class to force python wrapper generate code for this entities
class GAPI_EXPORTS_W_SIMPLE GProtoInputArgs { };
class GAPI_EXPORTS_W_SIMPLE GProtoOutputArgs { };
class GAPI_EXPORTS_W_SIMPLE GRunArg { };
- class GAPI_EXPORTS_W_SIMPLE GMetaArg { };
+ class GAPI_EXPORTS_W_SIMPLE GMetaArg { GAPI_WRAP GMetaArg(); };
using GProtoInputArgs = GIOProtoArgs<In_Tag>;
using GProtoOutputArgs = GIOProtoArgs<Out_Tag>;
# G-API - array of tuples (n_points).
return cv.boundingRect(np.array(array))
+# Test input mat
+def add(g_in1, g_in2, dtype):
+ def custom_add_meta(img_desc1, img_desc2, dtype):
+ return img_desc1
+
+ return cv.gapi_wip_op('custom.add', custom_add_meta, g_in1, g_in2, dtype).getGMat()
+
+
+# Test multiple output mat
+def split3(g_in):
+ def custom_split3_meta(img_desc):
+ out_desc = img_desc.withType(img_desc.depth, 1)
+ return out_desc, out_desc, out_desc
+
+ op = cv.gapi_wip_op('custom.split3', custom_split3_meta, g_in)
+
+ ch1 = op.getGMat()
+ ch2 = op.getGMat()
+ ch3 = op.getGMat()
+
+ return ch1, ch2, ch3
+
+# Test output scalar
+def mean(g_in):
+ def custom_mean_meta(img_desc):
+ return cv.empty_scalar_desc()
+
+ op = cv.gapi_wip_op('custom.mean', custom_mean_meta, g_in)
+ return op.getGScalar()
+
+
+# Test input scalar
+def addC(g_in, g_sc, dtype):
+ def custom_addC_meta(img_desc, sc_desc, dtype):
+ return img_desc
+
+ op = cv.gapi_wip_op('custom.addC', custom_addC_meta, g_in, g_sc, dtype)
+ return op.getGMat()
+
+
+# Test output opaque.
+def size(g_in):
+ def custom_size_meta(img_desc):
+ return cv.empty_gopaque_desc()
+
+ op = cv.gapi_wip_op('custom.size', custom_size_meta, g_in)
+ return op.getGOpaque(cv.gapi.CV_SIZE)
+
+
+# Test input opaque.
+def sizeR(g_rect):
+ def custom_sizeR_meta(opaque_desc):
+ return cv.empty_gopaque_desc()
+
+ op = cv.gapi_wip_op('custom.sizeR', custom_sizeR_meta, g_rect)
+ return op.getGOpaque(cv.gapi.CV_SIZE)
+
+
+# Test input array.
+def boundingRect(g_array):
+ def custom_boundingRect_meta(array_desc):
+ return cv.empty_gopaque_desc()
+
+ op = cv.gapi_wip_op('custom.boundingRect', custom_boundingRect_meta, g_array)
+ return op.getGOpaque(cv.gapi.CV_RECT)
+
+
+# Test output GArray.
+def goodFeaturesToTrack(g_in, max_corners, quality_lvl,
+ min_distance, mask, block_sz,
+ use_harris_detector, k):
+ def custom_goodFeaturesToTrack_meta(img_desc, max_corners, quality_lvl,
+ min_distance, mask, block_sz, use_harris_detector, k):
+ return cv.empty_array_desc()
+
+ op = cv.gapi_wip_op('custom.goodFeaturesToTrack', custom_goodFeaturesToTrack_meta, g_in,
+ max_corners, quality_lvl, min_distance, mask, block_sz, use_harris_detector, k)
+ return op.getGArray(cv.gapi.CV_POINT2F)
+
class gapi_sample_pipelines(NewOpenCVTests):
self.assertEqual(0.0, cv.norm(expected, actual, cv.NORM_INF))
+ def test_custom_op_add(self):
+ sz = (3, 3)
+ in_mat1 = np.full(sz, 45, dtype=np.uint8)
+ in_mat2 = np.full(sz, 50, dtype=np.uint8)
+
+ # OpenCV
+ expected = cv.add(in_mat1, in_mat2)
+
+ # G-API
+ g_in1 = cv.GMat()
+ g_in2 = cv.GMat()
+ g_out = add(g_in1, g_in2, cv.CV_8UC1)
+
+ comp = cv.GComputation(cv.GIn(g_in1, g_in2), cv.GOut(g_out))
+
+ pkg = cv.gapi_wip_kernels((custom_add, 'custom.add'))
+ actual = comp.apply(cv.gin(in_mat1, in_mat2), args=cv.compile_args(pkg))
+
+ self.assertEqual(0.0, cv.norm(expected, actual, cv.NORM_INF))
+
+
+ def test_custom_op_split3(self):
+ sz = (4, 4)
+ in_ch1 = np.full(sz, 1, dtype=np.uint8)
+ in_ch2 = np.full(sz, 2, dtype=np.uint8)
+ in_ch3 = np.full(sz, 3, dtype=np.uint8)
+ # H x W x C
+ in_mat = np.stack((in_ch1, in_ch2, in_ch3), axis=2)
+
+ # G-API
+ g_in = cv.GMat()
+ g_ch1, g_ch2, g_ch3 = split3(g_in)
+
+ comp = cv.GComputation(cv.GIn(g_in), cv.GOut(g_ch1, g_ch2, g_ch3))
+
+ pkg = cv.gapi_wip_kernels((custom_split3, 'custom.split3'))
+ ch1, ch2, ch3 = comp.apply(cv.gin(in_mat), args=cv.compile_args(pkg))
+
+ self.assertEqual(0.0, cv.norm(in_ch1, ch1, cv.NORM_INF))
+ self.assertEqual(0.0, cv.norm(in_ch2, ch2, cv.NORM_INF))
+ self.assertEqual(0.0, cv.norm(in_ch3, ch3, cv.NORM_INF))
+
+
+ def test_custom_op_mean(self):
+ img_path = self.find_file('cv/face/david2.jpg', [os.environ.get('OPENCV_TEST_DATA_PATH')])
+ in_mat = cv.imread(img_path)
+
+ # OpenCV
+ expected = cv.mean(in_mat)
+
+ # G-API
+ g_in = cv.GMat()
+ g_out = mean(g_in)
+
+ comp = cv.GComputation(g_in, g_out)
+
+ pkg = cv.gapi_wip_kernels((custom_mean, 'custom.mean'))
+ actual = comp.apply(cv.gin(in_mat), args=cv.compile_args(pkg))
+
+ # Comparison
+ self.assertEqual(expected, actual)
+
+
+ def test_custom_op_addC(self):
+ sz = (3, 3, 3)
+ in_mat = np.full(sz, 45, dtype=np.uint8)
+ sc = (50, 10, 20)
+
+ # Numpy reference, make array from sc to keep uint8 dtype.
+ expected = in_mat + np.array(sc, dtype=np.uint8)
+
+ # G-API
+ g_in = cv.GMat()
+ g_sc = cv.GScalar()
+ g_out = addC(g_in, g_sc, cv.CV_8UC1)
+ comp = cv.GComputation(cv.GIn(g_in, g_sc), cv.GOut(g_out))
+
+ pkg = cv.gapi_wip_kernels((custom_addC, 'custom.addC'))
+ actual = comp.apply(cv.gin(in_mat, sc), args=cv.compile_args(pkg))
+
+ self.assertEqual(0.0, cv.norm(expected, actual, cv.NORM_INF))
+
+
+ def test_custom_op_size(self):
+ sz = (100, 150, 3)
+ in_mat = np.full(sz, 45, dtype=np.uint8)
+
+ # Open_cV
+ expected = (100, 150)
+
+ # G-API
+ g_in = cv.GMat()
+ g_sz = size(g_in)
+ comp = cv.GComputation(cv.GIn(g_in), cv.GOut(g_sz))
+
+ pkg = cv.gapi_wip_kernels((custom_size, 'custom.size'))
+ actual = comp.apply(cv.gin(in_mat), args=cv.compile_args(pkg))
+
+ self.assertEqual(0.0, cv.norm(expected, actual, cv.NORM_INF))
+
+
+ def test_custom_op_sizeR(self):
+ # x, y, h, w
+ roi = (10, 15, 100, 150)
+
+ expected = (100, 150)
+
+ # G-API
+ g_r = cv.GOpaqueT(cv.gapi.CV_RECT)
+ g_sz = sizeR(g_r)
+ comp = cv.GComputation(cv.GIn(g_r), cv.GOut(g_sz))
+
+ pkg = cv.gapi_wip_kernels((custom_sizeR, 'custom.sizeR'))
+ actual = comp.apply(cv.gin(roi), args=cv.compile_args(pkg))
+
+ # cv.norm works with tuples ?
+ self.assertEqual(0.0, cv.norm(expected, actual, cv.NORM_INF))
+
+
+ def test_custom_op_boundingRect(self):
+ points = [(0,0), (0,1), (1,0), (1,1)]
+
+ # OpenCV
+ expected = cv.boundingRect(np.array(points))
+
+ # G-API
+ g_pts = cv.GArrayT(cv.gapi.CV_POINT)
+ g_br = boundingRect(g_pts)
+ comp = cv.GComputation(cv.GIn(g_pts), cv.GOut(g_br))
+
+ pkg = cv.gapi_wip_kernels((custom_boundingRect, 'custom.boundingRect'))
+ actual = comp.apply(cv.gin(points), args=cv.compile_args(pkg))
+
+ # cv.norm works with tuples ?
+ self.assertEqual(0.0, cv.norm(expected, actual, cv.NORM_INF))
+
+
+ def test_custom_op_goodFeaturesToTrack(self):
+ # G-API
+ img_path = self.find_file('cv/face/david2.jpg', [os.environ.get('OPENCV_TEST_DATA_PATH')])
+ in_mat = cv.cvtColor(cv.imread(img_path), cv.COLOR_RGB2GRAY)
+
+ # NB: goodFeaturesToTrack configuration
+ max_corners = 50
+ quality_lvl = 0.01
+ min_distance = 10
+ block_sz = 3
+ use_harris_detector = True
+ k = 0.04
+ mask = None
+
+ # OpenCV
+ expected = cv.goodFeaturesToTrack(in_mat, max_corners, quality_lvl,
+ min_distance, mask=mask,
+ blockSize=block_sz, useHarrisDetector=use_harris_detector, k=k)
+
+ # G-API
+ g_in = cv.GMat()
+ g_out = goodFeaturesToTrack(g_in, max_corners, quality_lvl,
+ min_distance, mask, block_sz, use_harris_detector, k)
+
+ comp = cv.GComputation(cv.GIn(g_in), cv.GOut(g_out))
+ pkg = cv.gapi_wip_kernels((custom_goodFeaturesToTrack, 'custom.goodFeaturesToTrack'))
+ actual = comp.apply(cv.gin(in_mat), args=cv.compile_args(pkg))
+
+ # NB: OpenCV & G-API have different output types.
+ # OpenCV - numpy array with shape (num_points, 1, 2)
+ # G-API - list of tuples with size - num_points
+ # Comparison
+ self.assertEqual(0.0, cv.norm(expected.flatten(),
+ np.array(actual, dtype=np.float32).flatten(), cv.NORM_INF))
+
+
if __name__ == '__main__':
NewOpenCVTests.bootstrap()
public:
GPythonExecutable(const ade::Graph &,
- const std::vector<ade::NodeHandle> &);
+ const std::vector<ade::NodeHandle> &);
const ade::Graph& m_g;
cv::gimpl::GModel::ConstGraph m_gm;
#include "pyopencv_generated_types_content.h"
#include "pyopencv_generated_funcs.h"
-
static PyMethodDef special_methods[] = {
{"redirectError", CV_PY_FN_WITH_KW(pycvRedirectError), "redirectError(onError) -> None"},
#ifdef HAVE_OPENCV_HIGHGUI
#ifdef HAVE_OPENCV_GAPI
{"GIn", CV_PY_FN_WITH_KW(pyopencv_cv_GIn), "GIn(...) -> GInputProtoArgs"},
{"gapi_wip_kernels", CV_PY_FN_WITH_KW(pyopencv_cv_gapi_kernels), "kernels(...) -> GKernelPackage"},
+ {"gapi_wip_op", CV_PY_FN_WITH_KW_(pyopencv_cv_gapi_op, 0), "kernels(...) -> retval\n"},
{"GOut", CV_PY_FN_WITH_KW(pyopencv_cv_GOut), "GOut(...) -> GOutputProtoArgs"},
{"gin", CV_PY_FN_WITH_KW(pyopencv_cv_gin), "gin(...) -> ExtractArgsCallback"},
{"descr_of", CV_PY_FN_WITH_KW(pyopencv_cv_descr_of), "descr_of(...) -> ExtractMetaCallback"},
("GAPI_EXPORTS_W", "CV_EXPORTS_W"),
("GAPI_EXPORTS_W_SIMPLE","CV_EXPORTS_W_SIMPLE"),
("GAPI_WRAP", "CV_WRAP"),
+ ("GAPI_PROP", "CV_PROP"),
('defined(GAPI_STANDALONE)', '0'),
])