gmat.cpp
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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Copyright (C) 2018 Intel Corporation
#include "precomp.hpp"
#include <ade/util/iota_range.hpp>
#include <ade/util/algorithm.hpp>
#include <opencv2/gapi/own/mat.hpp> //gapi::own::Mat
#include <opencv2/gapi/gmat.hpp>
#include "api/gorigin.hpp"
// cv::GMat public implementation //////////////////////////////////////////////
cv::GMat::GMat()
: m_priv(new GOrigin(GShape::GMAT, GNode::Param()))
{
}
cv::GMat::GMat(const GNode &n, std::size_t out)
: m_priv(new GOrigin(GShape::GMAT, n, out))
{
}
cv::GOrigin& cv::GMat::priv()
{
return *m_priv;
}
const cv::GOrigin& cv::GMat::priv() const
{
return *m_priv;
}
static std::vector<int> checkVectorImpl(const int width, const int height, const int chan,
const int n)
{
if (width == 1 && (n == -1 || n == chan))
{
return {height, chan};
}
else if (height == 1 && (n == -1 || n == chan))
{
return {width, chan};
}
else if (chan == 1 && (n == -1 || n == width))
{
return {height, width};
}
else // input Mat can't be described as vector of points of given dimensionality
{
return {-1, -1};
}
}
int cv::gapi::detail::checkVector(const cv::GMatDesc& in, const size_t n)
{
GAPI_Assert(n != 0u);
return checkVectorImpl(in.size.width, in.size.height, in.chan, static_cast<int>(n))[0];
}
std::vector<int> cv::gapi::detail::checkVector(const cv::GMatDesc& in)
{
return checkVectorImpl(in.size.width, in.size.height, in.chan, -1);
}
namespace{
template <typename T> cv::GMetaArgs vec_descr_of(const std::vector<T> &vec)
{
cv::GMetaArgs vec_descr;
vec_descr.reserve(vec.size());
for(auto& mat : vec){
vec_descr.emplace_back(descr_of(mat));
}
return vec_descr;
}
}
#if !defined(GAPI_STANDALONE)
cv::GMatDesc cv::descr_of(const cv::Mat &mat)
{
const auto mat_dims = mat.size.dims();
if (mat_dims == 2)
return GMatDesc{mat.depth(), mat.channels(), {mat.cols, mat.rows}};
std::vector<int> dims(mat_dims);
for (auto i : ade::util::iota(mat_dims)) {
// Note: cv::MatSize is not iterable
dims[i] = mat.size[i];
}
return GMatDesc{mat.depth(), std::move(dims)};
}
#endif
cv::GMatDesc cv::gapi::own::descr_of(const Mat &mat)
{
return (mat.dims.empty())
? GMatDesc{mat.depth(), mat.channels(), {mat.cols, mat.rows}}
: GMatDesc{mat.depth(), mat.dims};
}
#if !defined(GAPI_STANDALONE)
cv::GMatDesc cv::descr_of(const cv::UMat &mat)
{
GAPI_Assert(mat.size.dims() == 2);
return GMatDesc{ mat.depth(), mat.channels(),{ mat.cols, mat.rows } };
}
cv::GMetaArgs cv::descrs_of(const std::vector<cv::UMat> &vec)
{
return vec_descr_of(vec);
}
#endif
cv::GMetaArgs cv::descrs_of(const std::vector<cv::Mat> &vec)
{
return vec_descr_of(vec);
}
cv::GMetaArgs cv::gapi::own::descrs_of(const std::vector<Mat> &vec)
{
return vec_descr_of(vec);
}
cv::GMatDesc cv::descr_of(const cv::RMat &mat)
{
return mat.desc();
}
namespace cv {
std::ostream& operator<<(std::ostream& os, const cv::GMatDesc &desc)
{
switch (desc.depth)
{
#define TT(X) case CV_##X: os << #X; break;
TT(8U);
TT(8S);
TT(16U);
TT(16S);
TT(32S);
TT(32F);
TT(64F);
#undef TT
default:
os << "(user type "
<< std::hex << desc.depth << std::dec
<< ")";
break;
}
os << "C" << desc.chan;
if (desc.planar) os << "p";
os << " ";
os << desc.size.width << "x" << desc.size.height;
return os;
}
namespace {
template<typename M> inline bool canDescribeHelper(const GMatDesc& desc, const M& mat)
{
const auto mat_desc = desc.planar ? cv::descr_of(mat).asPlanar(desc.chan) : cv::descr_of(mat);
return desc == mat_desc;
}
} // anonymous namespace
bool GMatDesc::canDescribe(const cv::Mat& mat) const
{
return canDescribeHelper(*this, mat);
}
bool GMatDesc::canDescribe(const cv::RMat& mat) const
{
return canDescribeHelper(*this, mat);
}
}// namespace cv