67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
|
// OpenCVComponent.cpp
|
|||
|
|
#include "pch.h"
|
|||
|
|
#include "OpenCVComponent.h"
|
|||
|
|
|
|||
|
|
#include <opencv2\imgproc\types_c.h>
|
|||
|
|
#include <opencv2\core.hpp>
|
|||
|
|
#include <opencv2\imgproc.hpp>
|
|||
|
|
#include <vector>
|
|||
|
|
#include <algorithm>
|
|||
|
|
|
|||
|
|
using namespace OpenCVComponent;
|
|||
|
|
using namespace Platform;
|
|||
|
|
using namespace concurrency;
|
|||
|
|
using namespace Windows::Foundation;
|
|||
|
|
using namespace Windows::Foundation::Collections;
|
|||
|
|
|
|||
|
|
void CopyIVectorToMatrix(IVector<int>^ input, cv::Mat& mat, int size);
|
|||
|
|
void CopyMatrixToVector(const cv::Mat& mat, std::vector<int>& vector, int size);
|
|||
|
|
|
|||
|
|
OpenCVLib::OpenCVLib()
|
|||
|
|
{
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
IAsyncOperation<IVectorView<int>^>^ OpenCVLib::ProcessAsync(IVector<int>^ input, int width, int height)
|
|||
|
|
{
|
|||
|
|
int size = input->Size;
|
|||
|
|
cv::Mat mat(width, height, CV_8UC4);
|
|||
|
|
CopyIVectorToMatrix(input, mat, size);
|
|||
|
|
|
|||
|
|
return create_async([=]() -> IVectorView<int>^
|
|||
|
|
{
|
|||
|
|
// convert to grayscale
|
|||
|
|
cv::Mat intermediateMat;
|
|||
|
|
cv::cvtColor(mat, intermediateMat, COLOR_RGB2GRAY);
|
|||
|
|
|
|||
|
|
// convert to BGRA
|
|||
|
|
cv::cvtColor(intermediateMat, mat, COLOR_GRAY2BGRA);
|
|||
|
|
|
|||
|
|
std::vector<int> output;
|
|||
|
|
CopyMatrixToVector(mat, output, size);
|
|||
|
|
|
|||
|
|
// Return the outputs as a VectorView<float>
|
|||
|
|
return ref new Platform::Collections::VectorView<int>(output);
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
void CopyIVectorToMatrix(IVector<int>^ input, cv::Mat& mat, int size)
|
|||
|
|
{
|
|||
|
|
unsigned char* data = mat.data;
|
|||
|
|
for (int i = 0; i < size; i++)
|
|||
|
|
{
|
|||
|
|
int value = input->GetAt(i);
|
|||
|
|
memcpy(data, (void*) &value, 4);
|
|||
|
|
data += 4;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void CopyMatrixToVector(const cv::Mat& mat, std::vector<int>& vector, int size)
|
|||
|
|
{
|
|||
|
|
int* data = (int*) mat.data;
|
|||
|
|
for (int i = 0; i < size; i++)
|
|||
|
|
{
|
|||
|
|
vector.push_back(data[i]);
|
|||
|
|
}
|
|||
|
|
}
|