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