399 lines
9.5 KiB
C++
399 lines
9.5 KiB
C++
// PictureView.cpp : 实现文件
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//
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#include "stdafx.h"
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#include "resource.h"
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#include "FastView.h"
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#include "DahuaFisheyeCamera.h"
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#include "HikRgdbCamera.h"
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//图像尺寸类型
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enum
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{
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IMG_SIZE_NORMAL, //图像宽高均在绘图范围内
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IMG_SIZE_WIDTH_BEYOND, //仅图像宽度超出绘图范围
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IMG_SIZE_HEIGHT_BEYOND, //仅图像高度超出绘图范围
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IMG_SIZE_BOTH_BEYOND //图像宽高均超出绘图范围
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};
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// CPictureView
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IMPLEMENT_DYNAMIC(CFastView, CStatic)
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CFastView::CFastView()
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{
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m_pCameraDlg = NULL;
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}
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CFastView::~CFastView()
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{
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}
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BEGIN_MESSAGE_MAP(CFastView, CStatic)
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ON_WM_PAINT()
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ON_WM_SIZE()
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ON_WM_CTLCOLOR()
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ON_WM_RBUTTONUP()
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END_MESSAGE_MAP()
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// CPictureView 消息处理程序
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void CFastView::StartPlay(CString strFile)
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{
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StopPlay();
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m_Image.Destroy();
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ShowWindow(SW_SHOW);
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if (0 == strFile.GetLength())
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return;
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m_Image.Load(strFile); //根据图片路径加载图片
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DrawPicture();
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}
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void CFastView::StopPlay()
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{
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m_Image.Destroy();
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UpdateWindow();
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ShowWindow(SW_HIDE);
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}
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void CFastView::CalculateImageRect()
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{ //如果当前图像为空，则返回
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if (m_Image.IsNull())
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return;
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CRect rectWnd;
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GetWindowRect(&rectWnd);
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int MemWidth = rectWnd.Width();
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int MemHeight = rectWnd.Height();
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//m_ImageRect = CRect(0, 0, MemWidth, MemHeight); //全屏缩放
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//return;
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//获取图像矩形区域
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CRect rectImg = CRect(0, 0, m_Image.GetWidth(), m_Image.GetHeight());
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int ImgWidth = rectImg.Width();
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int ImgHeight = rectImg.Height();
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int nImgSizeType; //图像尺寸类型
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//默认不收缩投影区域
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int nGap = 0;
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//获取当前图像尺寸类型
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if ((ImgWidth <= MemWidth - nGap) && (ImgHeight <= MemHeight - nGap))
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nImgSizeType = IMG_SIZE_NORMAL;
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else if ((ImgWidth>MemWidth - nGap) && (ImgHeight <= MemHeight - nGap))
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nImgSizeType = IMG_SIZE_WIDTH_BEYOND;
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else if ((ImgWidth <= MemWidth - nGap) && (ImgHeight>MemHeight - nGap))
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nImgSizeType = IMG_SIZE_HEIGHT_BEYOND;
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else
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nImgSizeType = IMG_SIZE_BOTH_BEYOND;
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//对不同的图像尺寸，计算投影区域矩形
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switch (nImgSizeType)
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{
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float fScaleW, fScaleH; //X、Y方向的缩小率
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int nW, nH;
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//只有宽超出显示范围
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case IMG_SIZE_WIDTH_BEYOND:
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fScaleW = ((double)MemWidth) / ImgWidth;
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nW = MemWidth;
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nH = fScaleW*ImgHeight;
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m_ImageRect = CRect((MemWidth - nW) / 2 + nGap,
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(MemHeight - nH) / 2,
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(MemWidth + nW) / 2 - nGap,
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(MemHeight + nH) / 2);
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break;
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//只有高超出显示范围
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case IMG_SIZE_HEIGHT_BEYOND:
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fScaleH = ((double)MemHeight) / ImgHeight;
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nW = fScaleH*ImgWidth;
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nH = MemHeight;
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m_ImageRect = CRect((MemWidth - nW) / 2,
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(MemHeight - nH) / 2 + nGap,
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(MemWidth + nW) / 2,
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(MemHeight + nH) / 2 - nGap);
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break;
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//宽高都超出显示范围
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//长、宽均在显示范围内
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case IMG_SIZE_BOTH_BEYOND:
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case IMG_SIZE_NORMAL:
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fScaleW = ((double)MemWidth) / ImgWidth;
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fScaleH = ((double)MemHeight) / ImgHeight;
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float fScale = min(fScaleW, fScaleH);
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nW = fScale*ImgWidth;
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nH = fScale*ImgHeight;
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m_ImageRect = CRect((MemWidth - nW) / 2 + nGap,
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(MemHeight - nH) / 2 + nGap,
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(MemWidth + nW) / 2 - nGap,
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(MemHeight + nH) / 2 - nGap);
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break;
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}
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}
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void CFastView::OnPaint()
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{
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CPaintDC dc(this); // device context for painting
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// TODO: 在此处添加消息处理程序代码
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// 不为绘图消息调用 CStatic::OnPaint()
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if (FALSE == m_Image.IsNull())
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{
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CDC *pDC = GetDC();//获得pictrue控件的DC
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//解决CIMage缩放失真问题
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SetStretchBltMode(pDC->m_hDC, HALFTONE);
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SetBrushOrgEx(pDC->m_hDC, 0, 0, NULL);
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CRect rectWnd = { 0 };
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GetWindowRect(&rectWnd);
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//重绘底色
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pDC->FillSolidRect(CRect(0, 0, rectWnd.Width(), rectWnd.Height()), RGB(0, 0, 0));
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//m_Image.StretchBlt(pDC->GetSafeHdc(), m_ImageRect, CRect(0, 0, m_Image.GetWidth(), m_Image.GetHeight()));
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m_Image.Draw(pDC->m_hDC, m_ImageRect); //将图片画到Picture控件表示的矩形区域
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ReleaseDC(pDC);//释放picture控件的DC
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}
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}
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void CFastView::OnSize(UINT nType, int cx, int cy)
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{
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CStatic::OnSize(nType, cx, cy);
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DrawPicture();
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// TODO: 在此处添加消息处理程序代码
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}
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void CFastView::DrawPicture()
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{
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if (FALSE == m_Image.IsNull())
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{
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CalculateImageRect();
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if (m_ImageRect.Width() <= 0)
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return;
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CDC *pDC = GetDC();//获得pictrue控件的DC
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CRect rectWnd;
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GetWindowRect(&rectWnd);
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//重绘底色
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//pDC->FillSolidRect(CRect(0, 0, rectWnd.Width(), rectWnd.Height()), RGB(0, 0, 0));
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//解决CIMage缩放失真问题
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//SetStretchBltMode(pDC->m_hDC, HALFTONE);
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//SetBrushOrgEx(pDC->m_hDC, 0, 0, NULL);
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SetStretchBltMode(pDC->m_hDC, COLORONCOLOR);
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SetBrushOrgEx(pDC->m_hDC, 0, 0, NULL);
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//dc.SetStretchBltMode
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//m_Image.StretchBlt(pDC->GetSafeHdc(), CRect(0, 0, m_Image.GetWidth(), m_Image.GetHeight()), m_ImageRect);
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m_Image.Draw(pDC->GetSafeHdc(), m_ImageRect); //将图片画到Picture控件表示的矩形区域
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ReleaseDC(pDC);//释放picture控件的DC
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}
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}
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HBRUSH CFastView::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
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{
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HBRUSH hbr = CStatic::OnCtlColor(pDC, pWnd, nCtlColor);
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CBrush brush;
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brush.CreateSolidBrush(RGB(0, 0, 0));
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// TODO: 在此更改 DC 的任何特性
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pDC->SetBkColor(RGB(0, 0, 0));
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return (HBRUSH)brush;
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// TODO: 如果默认的不是所需画笔，则返回另一个画笔
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return hbr;
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}
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UINT CFastView::CameraThreadFunc(PVOID pv)
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{
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//循环遍历摄像头，为每个摄像头创建独立的线程
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ST_THREAD_PARAM *pParam = (ST_THREAD_PARAM *)pv;
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CFastView *pThis = (CFastView*)pParam->pParent;
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int nIdx = pParam->nIdx;
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delete pv;
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if (pThis->m_nCameraTyp == HIK_RGBD)
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{
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pThis->m_pCameraDlg = new CHikRgdbCamera(pThis, nIdx);
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pThis->m_pCameraDlg->Create(IDD_DLG_CAM);
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pThis->m_pCameraDlg->ShowWindow(SW_HIDE);
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}
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else if (pThis->m_nCameraTyp == DAHUA_FISHEYE)
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{
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pThis->m_pCameraDlg = new CDahuaFisheyeCamera(pThis, nIdx, pThis->m_nPlayTyp);
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pThis->m_pCameraDlg->Create(IDD_DLG_CAM);
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pThis->m_pCameraDlg->ShowWindow(SW_HIDE);
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}
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/*else if (pThis->m_nCameraTyp == DAHUA_FISHEYE_LIVE)
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{
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pThis->m_pCameraDlg = new CDahuaFisheyeLiveCamera(pThis, nIdx);
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pThis->m_pCameraDlg->Create(IDD_DLG_CAM);
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pThis->m_pCameraDlg->ShowWindow(SW_HIDE);
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}*/
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//The message loop
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MSG msg;
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while (GetMessage(&msg, NULL, 0, 0))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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pThis->m_pCameraDlg->DestroyWindow();
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delete pThis->m_pCameraDlg;
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TRACE(_T("释放对话框"));
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return 0;
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}
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void CFastView::SetCameraInfo(int nIdx, ENUM_CAMERA_TYPE enCameraType, ENUM_PLAY_TYPE enPlayType, String strIp, int nPort)
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{
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m_nCameraIdx = nIdx;
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m_nCameraTyp = enCameraType;
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m_nPlayTyp = enPlayType;
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ST_THREAD_PARAM *pParam = new ST_THREAD_PARAM;
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pParam->nIdx = nIdx;
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pParam->pParent = this;
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AfxBeginThread(CFastView::CameraThreadFunc, (void*)pParam);
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return;
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}
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void CFastView::OnRButtonUp(UINT nFlags, CPoint point)
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{
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// TODO: 在此添加消息处理程序代码和/或调用默认值
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// TODO: Add your message handler code here and/or call default
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CMenu menu;
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menu.CreatePopupMenu();
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//以下直接利用相应的自定义消息来标记菜单项
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menu.AppendMenu(MF_STRING, ID_MRU_SAMPLE, "采样");
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//menu.AppendMenu(MF_STRING, WM TEST2, "Test item 2");
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//menu.AppendMenu(MF_STRING, WM TEST3, "Test item 3");
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//menu.AppendMenu(MF_STRING, WM TEST4, "Test item 4");
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//在右击位置下方20像素的地方显示菜单
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POINT tpoint;
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tpoint.x = point.x;
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tpoint.y = point.y;
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ClientToScreen(&tpoint);
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menu.TrackPopupMenu(TPM_LEFTALIGN, tpoint.x, tpoint.y + 20, this);
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CStatic::OnRButtonDown(nFlags, point);
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}
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BOOL CFastView::OnCommand(WPARAM wParam, LPARAM lParam)
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{
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// TODO: 在此添加专用代码和/或调用基类
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switch (LOWORD(wParam))
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{
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case ID_MRU_SAMPLE:
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{
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/*CString strMsg;
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strMsg.Format("开始启动摄像头%d采样", m_nCameraIndex);
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AfxMessageBox(strMsg);*/
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if (NULL != m_pCameraDlg)
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{
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::PostMessage(m_pCameraDlg->m_hWnd, WM_CAMERA_SNAP, NULL, NULL);
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}
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//((CMainFrame*)GetParentFrame())->BeginSample(m_nCameraIndex);
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break;
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}
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default:
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break;
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}
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return CStatic::OnCommand(wParam, lParam);
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}
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//参数1：opencv即将读的图，
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//参数2：需要展示的Picture Control的ID
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void CFastView::DrawMat(cv::Mat& imageMat, int nOffset)
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{
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/*cv::Mat img;
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int nWidth = imageMat.cols * rect.Height() *1.0 / imageMat.rows;
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cv::resize(imageMat, img, cv::Size(nWidth, rect.Height()));// 缩放Mat并备份
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// 转一下格式 ,这段可以放外面,*/
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/*switch (imgTmp.channels())
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{
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case 1:
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cv::cvtColor(imgTmp, imgTmp, CV_GRAY2BGRA); // GRAY单通道
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break;
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case 3:
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cv::cvtColor(imgTmp, imgTmp, CV_BGR2BGRA); // BGR三通道
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break;
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default:
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break;
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}
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int pixelBytes = imgTmp.channels() * (imgTmp.depth() + 1); // 计算一个像素多少个字节
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// 制作bitmapinfo(数据头)
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BITMAPINFO bitInfo;
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bitInfo.bmiHeader.biBitCount = 8 * pixelBytes;
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bitInfo.bmiHeader.biWidth = imgTmp.cols;
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bitInfo.bmiHeader.biHeight = -imgTmp.rows;
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bitInfo.bmiHeader.biPlanes = 1;
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bitInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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bitInfo.bmiHeader.biCompression = BI_RGB;
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bitInfo.bmiHeader.biClrImportant = 0;
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bitInfo.bmiHeader.biClrUsed = 0;
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bitInfo.bmiHeader.biSizeImage = 0;
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bitInfo.bmiHeader.biXPelsPerMeter = 0;
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bitInfo.bmiHeader.biYPelsPerMeter = 0;
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// Mat.data + bitmap数据头 -> MFC
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CDC* pDC = GetDC();
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::StretchDIBits(
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pDC->GetSafeHdc(),
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(rect.Width()-nWidth)/2, 0, nWidth, rect.Height(),
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0, 0, nWidth, rect.Height(),
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imgTmp.data,
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&bitInfo,
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DIB_RGB_COLORS,
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SRCCOPY
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);
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ReleaseDC(pDC);*/
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CImage image;
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image.Create(imageMat.cols, imageMat.rows, 24);
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for (int y = 0; y < imageMat.rows; ++y) {
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const uchar* src = imageMat.ptr<uchar>(y);
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uchar* dst = reinterpret_cast<uchar*>(image.GetBits()) + y * image.GetPitch();
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for (int x = 0; x < imageMat.cols; ++x) {
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dst[0] = src[0];
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dst[1] = src[1];
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dst[2] = src[2];
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src += 3;
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dst += 3;
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}
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}
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HDC hdc = ::GetDC(m_hWnd);
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CRect rect;
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GetClientRect(&rect); // 获取控件大小
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image.Draw(hdc, rect);
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image.Destroy();
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::ReleaseDC(m_hWnd, hdc);
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}
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