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@ -10,6 +10,8 @@ |
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#include <opencv2\imgcodecs\imgcodecs.hpp> |
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#include <opencv2\core\core.hpp> |
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#include <opencv2\imgproc\imgproc.hpp> |
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#include <opencv2\highgui.hpp> |
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#include <opencv2\highgui\highgui_winrt.hpp> |
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#include <Robuffer.h> |
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@ -33,6 +35,7 @@ using namespace Microsoft::WRL; |
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// Name of the resource classifier used to detect human faces (frontal)
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cv::String face_cascade_name = "Assets/haarcascade_frontalface_alt.xml"; |
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cv::String window_name = "Faces"; |
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MainPage::MainPage() |
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{ |
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@ -45,7 +48,8 @@ void FaceDetection::MainPage::InitBtn_Click(Platform::Object^ sender, Windows::U |
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cv::Mat image = cv::imread("Assets/group1.jpg"); |
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groupFaces = cv::Mat(image.rows, image.cols, CV_8UC4); |
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cv::cvtColor(image, groupFaces, CV_BGR2BGRA); |
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UpdateImage(groupFaces); |
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cv::winrt_initContainer(cvContainer); |
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cv::imshow(window_name, groupFaces); |
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if (!face_cascade.load(face_cascade_name)) { |
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Windows::UI::Popups::MessageDialog("Couldn't load face detector \n").ShowAsync(); |
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@ -70,29 +74,8 @@ void FaceDetection::MainPage::detectBtn_Click(Platform::Object^ sender, Windows: |
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cv::rectangle(groupFaces, face, cv::Scalar(0, 255, 255), 5); |
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} |
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UpdateImage(groupFaces); |
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cv::imshow(window_name, groupFaces); |
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} else { |
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Windows::UI::Popups::MessageDialog("Initialize image before processing \n").ShowAsync(); |
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} |
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} |
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void FaceDetection::MainPage::UpdateImage(const cv::Mat& image) { |
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// Create the WriteableBitmap
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WriteableBitmap^ bitmap = ref new WriteableBitmap(image.cols, image.rows); |
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// Get access to the pixels
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IBuffer^ buffer = bitmap->PixelBuffer; |
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unsigned char* dstPixels; |
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// Obtain IBufferByteAccess
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ComPtr<IBufferByteAccess> pBufferByteAccess; |
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ComPtr<IInspectable> pBuffer((IInspectable*)buffer); |
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pBuffer.As(&pBufferByteAccess); |
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// Get pointer to pixel bytes
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pBufferByteAccess->Buffer(&dstPixels); |
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memcpy(dstPixels, image.data, image.step.buf[1] * image.cols*image.rows); |
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// Set the bitmap to the Image element
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img1->Source = bitmap; |
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} |
Maxim Kostin
10 years ago