305 lines
8.4 KiB
C++
305 lines
8.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2016, Carnegie Mellon University and University of Cambridge,
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// all rights reserved.
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//
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// THIS SOFTWARE IS PROVIDED “AS IS” FOR ACADEMIC USE ONLY AND ANY EXPRESS
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// OR IMPLIED WARRANTIES WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
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// BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY.
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// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Notwithstanding the license granted herein, Licensee acknowledges that certain components
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// of the Software may be covered by so-called “open source” software licenses (“Open Source
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// Components”), which means any software licenses approved as open source licenses by the
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// Open Source Initiative or any substantially similar licenses, including without limitation any
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// license that, as a condition of distribution of the software licensed under such license,
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// requires that the distributor make the software available in source code format. Licensor shall
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// provide a list of Open Source Components for a particular version of the Software upon
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// Licensee’s request. Licensee will comply with the applicable terms of such licenses and to
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// the extent required by the licenses covering Open Source Components, the terms of such
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// licenses will apply in lieu of the terms of this Agreement. To the extent the terms of the
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// licenses applicable to Open Source Components prohibit any of the restrictions in this
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// License Agreement with respect to such Open Source Component, such restrictions will not
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// apply to such Open Source Component. To the extent the terms of the licenses applicable to
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// Open Source Components require Licensor to make an offer to provide source code or
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// related information in connection with the Software, such offer is hereby made. Any request
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// for source code or related information should be directed to cl-face-tracker-distribution@lists.cam.ac.uk
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// Licensee acknowledges receipt of notices for the Open Source Components for the initial
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// delivery of the Software.
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// * Any publications arising from the use of this software, including but
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// not limited to academic journal and conference publications, technical
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// reports and manuals, must cite at least one of the following works:
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//
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// OpenFace: an open source facial behavior analysis toolkit
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// Tadas Baltrušaitis, Peter Robinson, and Louis-Philippe Morency
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// in IEEE Winter Conference on Applications of Computer Vision, 2016
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//
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// Rendering of Eyes for Eye-Shape Registration and Gaze Estimation
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// Erroll Wood, Tadas Baltrušaitis, Xucong Zhang, Yusuke Sugano, Peter Robinson, and Andreas Bulling
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// in IEEE International. Conference on Computer Vision (ICCV), 2015
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//
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// Cross-dataset learning and person-speci?c normalisation for automatic Action Unit detection
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// Tadas Baltrušaitis, Marwa Mahmoud, and Peter Robinson
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// in Facial Expression Recognition and Analysis Challenge,
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// IEEE International Conference on Automatic Face and Gesture Recognition, 2015
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//
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// Constrained Local Neural Fields for robust facial landmark detection in the wild.
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// Tadas Baltrušaitis, Peter Robinson, and Louis-Philippe Morency.
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// in IEEE Int. Conference on Computer Vision Workshops, 300 Faces in-the-Wild Challenge, 2013.
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//
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///////////////////////////////////////////////////////////////////////////////
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// OpenCVWrappers.h
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#pragma once
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#pragma managed
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#include <msclr\marshal_cppstd.h>
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#pragma unmanaged
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#include "cv.h"
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#include "highgui.h"
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#include <opencv2/videoio/videoio.hpp> // Video write
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#include <opencv2/videoio/videoio_c.h> // Video write
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#pragma managed
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#pragma make_public(cv::Mat)
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using namespace System::Windows;
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using namespace System::Windows::Threading;
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using namespace System::Windows::Media;
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using namespace System::Windows::Media::Imaging;
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namespace OpenCVWrappers {
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public ref class RawImage : System::IDisposable
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{
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private:
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cv::Mat* mat;
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static int refCount;
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public:
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static int PixelFormatToType(PixelFormat fmt)
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{
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if (fmt == PixelFormats::Gray8)
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return CV_8UC1;
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else if(fmt == PixelFormats::Bgr24)
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return CV_8UC3;
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else if(fmt == PixelFormats::Bgra32)
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return CV_8UC4;
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else if(fmt == PixelFormats::Gray32Float)
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return CV_32FC1;
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else
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throw gcnew System::Exception("Unsupported pixel format");
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}
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static PixelFormat TypeToPixelFormat(int type)
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{
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switch (type) {
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case CV_8UC1:
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return PixelFormats::Gray8;
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case CV_8UC3:
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return PixelFormats::Bgr24;
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case CV_8UC4:
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return PixelFormats::Bgra32;
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case CV_32FC1:
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return PixelFormats::Gray32Float;
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default:
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throw gcnew System::Exception("Unsupported image type");
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}
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}
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static property int RefCount {
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int get() { return refCount; }
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}
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RawImage()
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{
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mat = new cv::Mat();
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refCount++;
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}
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RawImage(const cv::Mat& m)
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{
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mat = new cv::Mat(m.clone());
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refCount++;
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}
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RawImage(RawImage^ img)
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{
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mat = new cv::Mat(img->Mat.clone());
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refCount++;
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}
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RawImage(int width, int height, int type)
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{
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mat = new cv::Mat(height, width, type);
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refCount++;
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}
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RawImage(int width, int height, PixelFormat format)
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{
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int type = RawImage::PixelFormatToType(format);
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mat = new cv::Mat(height, width, type);
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refCount++;
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}
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// Finalizer. Definitely called before Garbage Collection,
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// but not automatically called on explicit Dispose().
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// May be called multiple times.
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!RawImage()
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{
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if (mat)
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{
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delete mat;
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mat = NULL;
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refCount--;
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}
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}
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// Destructor. Called on explicit Dispose() only.
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~RawImage()
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{
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this->!RawImage();
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}
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property int Width
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{
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int get()
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{
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return mat->cols;
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}
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}
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property int Height
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{
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int get()
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{
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return mat->rows;
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}
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}
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property int Stride
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{
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int get()
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{
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return mat->step;
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}
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}
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property PixelFormat Format
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{
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PixelFormat get()
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{
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return TypeToPixelFormat(mat->type());
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}
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}
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property cv::Mat& Mat
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{
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cv::Mat& get()
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{
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return *mat;
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}
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}
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property bool IsEmpty
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{
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bool get()
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{
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return !mat || mat->empty();
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}
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}
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bool UpdateWriteableBitmap(WriteableBitmap^ bitmap)
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{
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if (bitmap == nullptr || bitmap->PixelWidth != Width || bitmap->PixelHeight != Height || bitmap->Format != Format)
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return false;
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else {
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if (mat->data == NULL) {
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cv::Mat zeros(bitmap->PixelHeight, bitmap->PixelWidth, PixelFormatToType(bitmap->Format), 0);
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bitmap->WritePixels(Int32Rect(0, 0, Width, Height), System::IntPtr(zeros.data), Stride * Height * (Format.BitsPerPixel / 8), Stride, 0, 0);
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}
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else {
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bitmap->WritePixels(Int32Rect(0, 0, Width, Height), System::IntPtr(mat->data), Stride * Height * (Format.BitsPerPixel / 8), Stride, 0, 0);
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}
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return true;
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}
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}
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WriteableBitmap^ CreateWriteableBitmap()
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{
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return gcnew WriteableBitmap(Width, Height, 72, 72, Format, nullptr);
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}
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};
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public ref class VideoWriter
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{
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private:
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// OpenCV based video capture for reading from files
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cv::VideoWriter* vc;
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public:
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VideoWriter(System::String^ location, int width, int height, double fps, bool colour)
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{
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msclr::interop::marshal_context context;
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std::string location_std_string = context.marshal_as<std::string>(location);
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vc = new cv::VideoWriter(location_std_string, CV_FOURCC('D','I','V','X'), fps, cv::Size(width, height), colour);
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}
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// Return success
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bool Write(RawImage^ img)
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{
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if(vc != nullptr && vc->isOpened())
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{
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vc->write(img->Mat);
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return true;
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}
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else
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{
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return false;
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}
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}
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// Finalizer. Definitely called before Garbage Collection,
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// but not automatically called on explicit Dispose().
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// May be called multiple times.
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!VideoWriter()
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{
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if(vc != nullptr)
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{
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vc->~VideoWriter();
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}
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}
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// Destructor. Called on explicit Dispose() only.
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~VideoWriter()
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{
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this->!VideoWriter();
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}
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};
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}
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