f4334277
 Hu Chunming
提交3rdparty
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
// 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]);
}
}
|
