📄 imageproc.cpp
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}
fclose(fInfo);
if (!bFrameErrFlag)
{
nFrameNum++;
}
nBlockCont++;//走步
}//帧(块)循环结束
fclose(fErrorReport);
fErrorReport = NULL;
}
//add error report
FindClose(hFind);
pThis->m_vdw.pTitle = (PCHAR)"Over";
::SendMessage(pThis->m_hWnd, MSG_SHOWIMG, 0, (LPARAM)&pThis->m_vdw);//Display .bmp;
// 这是在堆中开辟的空间，只能在解构函数中摧毁
// 下面的代码只能释放栈中的空间
// free(pCurStream);//释放空间
// pCurStream=NULL;//杜绝野指针
//
// free(pStrAfterRSDec);
// pStrAfterRSDec=NULL;
//
// free(pRecImg);
// pRecImg=NULL;
//
// free(pSubFrameAToSpDec);
// pSubFrameAToSpDec=NULL;
//
// free(pSubFrameBToSpDec);
// pSubFrameBToSpDec=NULL;
//
// free(pSubFrameAStart);
// pSubFrameAStart=NULL;
//
// free(pSubFrameBStart);
// pSubFrameBStart=NULL;
//
// free(pRecSubImgA);
// pRecSubImgA=NULL;
//
// free(pRecSubImgB);
// pRecSubImgB=NULL;
//
return 0;
}
int ImageProc::TreatPackNumErrA(int arrPackNumA[PACKET_OF_SUBFRAME_A])
{
int i;
for (i=0;i<PACKET_OF_SUBFRAME_A;i++)
{
if (i!=arrPackNumA[i])
{
break;
}
}
return(i-1);
}
int ImageProc::TreatPackNumErrB(int arrPackNumB[PACKET_OF_SUBFRAME_B])
{
int i;
for (i=0;i<PACKET_OF_SUBFRAME_B;i++)
{
if (i!=arrPackNumB[i])
{
break;
}
}
return(i-1);
}
int ImageProc::FormSpDecStreamA(int nLastPackOfNoErrStream,unsigned char *pSubFrameAStart,unsigned char *pSubFrameAToSpDec)
{
int nPackCont;
int nSpihtStrlen=0;
memset(pSubFrameAToSpDec,0,SUBFRAME_A_TO_SPDEC_LENGTH);
for (nPackCont=0;nPackCont<=nLastPackOfNoErrStream;nPackCont++)
{
if (nPackCont==0)
{
pSubFrameAStart=pSubFrameAStart+FIRST_PACKET_FOR_SPDEC_OFFSET+1;
memcpy(pSubFrameAToSpDec,pSubFrameAStart,FIRST_PACKET_FOR_SPDEC_LENFTH);
pSubFrameAToSpDec=pSubFrameAToSpDec+FIRST_PACKET_FOR_SPDEC_LENFTH;
nSpihtStrlen=nSpihtStrlen + FIRST_PACKET_FOR_SPDEC_LENFTH;
pSubFrameAStart = pSubFrameAStart + FIRST_PACKET_FOR_SPDEC_LENFTH;
continue;
}
pSubFrameAStart=pSubFrameAStart+OTHER_PACKET_FOR_SPDEC_OFFSET+1;
memcpy(pSubFrameAToSpDec,pSubFrameAStart,OTHER_PACKET_FOR_SPDEC_LENGTH);
pSubFrameAToSpDec=pSubFrameAToSpDec+OTHER_PACKET_FOR_SPDEC_LENGTH;
nSpihtStrlen=nSpihtStrlen + OTHER_PACKET_FOR_SPDEC_LENGTH;
pSubFrameAStart = pSubFrameAStart + OTHER_PACKET_FOR_SPDEC_LENGTH;
}
return(nSpihtStrlen);
}
int ImageProc::FormSpDecStreamB(int nLastPackOfNoErrStream,unsigned char *pSubFrameBStart,unsigned char *pSubFrameBToSpDec)
{
int nPackCont;
int nSpihtStrlen=0;
memset(pSubFrameBToSpDec,0,SUBFRAME_B_TO_SPDEC_LENGTH);
for (nPackCont=0;nPackCont<=nLastPackOfNoErrStream;nPackCont++)
{
if (nPackCont==0)
{
pSubFrameBStart=pSubFrameBStart+FIRST_PACKET_FOR_SPDEC_OFFSET+1;
memcpy(pSubFrameBToSpDec,pSubFrameBStart,FIRST_PACKET_FOR_SPDEC_LENFTH);
pSubFrameBToSpDec=pSubFrameBToSpDec+FIRST_PACKET_FOR_SPDEC_LENFTH;
nSpihtStrlen=nSpihtStrlen + FIRST_PACKET_FOR_SPDEC_LENFTH;
pSubFrameBStart = pSubFrameBStart + FIRST_PACKET_FOR_SPDEC_LENFTH;
continue;
}
pSubFrameBStart=pSubFrameBStart+OTHER_PACKET_FOR_SPDEC_OFFSET+1;
memcpy(pSubFrameBToSpDec,pSubFrameBStart,OTHER_PACKET_FOR_SPDEC_LENGTH);
pSubFrameBToSpDec=pSubFrameBToSpDec+OTHER_PACKET_FOR_SPDEC_LENGTH;
nSpihtStrlen=nSpihtStrlen + OTHER_PACKET_FOR_SPDEC_LENGTH;
pSubFrameBStart = pSubFrameBStart + OTHER_PACKET_FOR_SPDEC_LENGTH;
}
return(nSpihtStrlen);
}
//----------------------------------------------------------------------------
//功能：存bmp文件,写入文件头及相应内容
//参数：
// szImageName -- 文件名
// pbi -- BMP位图信息
// byImgData -- 数据内存
//
void
ImageProc::SaveImage(CString szImageName,
PBITMAPINFO pbi,
unsigned char* pbyImgData
)
{
HANDLE hf; // file handle
BITMAPFILEHEADER hdr; // bitmap file-header
PBITMAPINFOHEADER pbih; // bitmap info-header
DWORD dwTotal; // total count of bytes
LPBYTE lpBits; // memory pointer
DWORD cb; // incremental count of bytes
BYTE *hp; // byte pointer
DWORD dwTmp;
pbih = (PBITMAPINFOHEADER) pbi;
pbih->biSizeImage = IMG_SIZE;
if(!(lpBits=(LPBYTE)GlobalAlloc(GMEM_FIXED,pbih->biSizeImage)))
{
TRACE(_T("GlobalAlloc Failed!\n"));
return;
}
//按windows系统坐标调整图像数据
for(int i=0;i<IMG_HEIGHT;i++)
{
memcpy(lpBits+i*IMG_WIDTH,pbyImgData+(IMG_HEIGHT-1-i)*IMG_WIDTH,IMG_WIDTH);
}
pbih->biHeight = IMG_HEIGHT;
// Create the .BMP file.
hf = CreateFile(szImageName,
GENERIC_READ | GENERIC_WRITE,
(DWORD) 0,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
(HANDLE) NULL);
if (hf == INVALID_HANDLE_VALUE)
{
TRACE("Open bmp file err!\n");
return;
}
// 0x42 = "B" 0x4d = "M"
hdr.bfType = 0x4d42;
// Compute the size of the entire file.
hdr.bfSize = (DWORD) (sizeof(BITMAPFILEHEADER) +
pbih->biSize + pbih->biClrUsed * sizeof(RGBQUAD) +
pbih->biSizeImage + 2);
hdr.bfReserved1 = 0;
hdr.bfReserved2 = 0;
// Compute the offset to the array of color indices.
hdr.bfOffBits = (DWORD) sizeof(BITMAPFILEHEADER) +
pbih->biSize + pbih->biClrUsed * sizeof (RGBQUAD);
// Copy the BITMAPFILEHEADER into the .BMP file.
WriteFile(hf, (LPVOID) &hdr, sizeof(BITMAPFILEHEADER),
(LPDWORD) &dwTmp, NULL);
// Copy the BITMAPINFOHEADER and RGBQUAD array into the file.
WriteFile(hf, (LPVOID) pbih, sizeof(BITMAPINFOHEADER)
+ pbih->biClrUsed * sizeof (RGBQUAD),
(LPDWORD) &dwTmp, ( NULL));
// Copy the array of color indices into the .BMP file.
dwTotal = cb = pbih->biSizeImage;
hp = lpBits;
WriteFile(hf, (LPSTR) hp, (int) cb, (LPDWORD) &dwTmp, NULL);
// Close the .BMP file.
if (!CloseHandle(hf))
{
TRACE("Fail to close img file!\n");
return;
}
// Free memory.
GlobalFree((HGLOBAL)lpBits);
pbih->biHeight = -1*IMG_HEIGHT;
return;
}
//------------------------------------------------------------------------
// 初始化显示窗口线程 [05.12.11]
//modified by ken [06.03.14]
//The same in the "Using Window Classes" in MSDN
DWORD WINAPI ImageProc::InitShowWnd(LPVOID lpvoid)
{
ImageProc *pThis = (ImageProc*)lpvoid;
pThis->m_hinst = AfxGetInstanceHandle();
if (pThis->m_hWnd == NULL)
{
pThis->m_wndclass.style = CS_HREDRAW | CS_VREDRAW ;
pThis->m_wndclass.lpfnWndProc = DispProc ;
pThis->m_wndclass.cbClsExtra = 0 ;
pThis->m_wndclass.cbWndExtra = 0 ;
pThis->m_wndclass.hInstance = pThis->m_hinst ;
pThis->m_wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
pThis->m_wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
pThis->m_wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
pThis->m_wndclass.lpszMenuName = NULL ;
pThis->m_wndclass.lpszClassName = _T("XDRecImg") ;
RegisterClass(&pThis->m_wndclass);
}
//modified by Mabel [06.03.18]
pThis->m_hWnd = CreateWindow(_T("XDRecImg"), _T("XDRecImg"),
WS_OVERLAPPED | WS_THICKFRAME,
pThis->m_WinPar.StarX,
pThis->m_WinPar.StarY,
pThis->m_WinPar.EndX - pThis->m_WinPar.StarX,
pThis->m_WinPar.EndY - pThis->m_WinPar.StarY,
NULL, NULL, pThis->m_hinst, NULL);
//modified by ken [06.03.14]
MSG msg;
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
TRACE("XLei:InitShowWnd thread quit.\n");
return 0;
}
//----------------------------------------------------------------------------
// [05.12.11]
// 功能：显示窗口回调函数，用于处理窗口消息
//
LRESULT CALLBACK ImageProc::DispProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
// PAINTSTRUCT ps;
//
VDWINDOW *pvdw;
HANDLE hBitmap;
HDC hMemDC;
static BOOL bfirstLove = FALSE;
// long temp;
static INT nX;
static INT nY;
static INT nWidth;
static INT nHeigh;
static PCHAR pBuf;
static CHAR szTitle[256];
//Mabel [06.03.07]
static CHAR szTxtShow[256] = "Hello";
static INT nTxtShowLen;
//Mabel [06.03.07]
//Mabel [06.03.08]
RECT rt;
rt.top = 0;
rt.bottom = 300;
rt.left = 0;
rt.right = 300;
switch (message)
{
case WM_CREATE:
// TRACE("case WM_CREATE.\n");
return 0 ;
case MSG_SHOWIMG:
hdc = GetDC(hwnd);
pvdw = (VDWINDOW *)lParam;//VDWINDOW 自定义；
hBitmap = CreateDIBitmap(hdc, (BITMAPINFOHEADER FAR *)pvdw->pBmp, \
CBM_INIT, pvdw->pBuf, \
(LPBITMAPINFO)pvdw->pBmp,DIB_RGB_COLORS);
if(NULL == hBitmap)
{
TRACE(_T("image create wrong! "));
return 0;
}
//Display 1 ;
// temp = long(hBitmap);
//
// if(!DrawState(hMemDC,NULL, NULL, hBitmap,NULL, 0, 0,500, 500, DST_BITMAP))
// {
// TRACE(_T("image Display wrong!"));
// return 0;
// }
// Display 2 ;
hMemDC = CreateCompatibleDC(hdc);
SelectObject(hMemDC, hBitmap);
//modified by Mabel [06.03.15] [06.03.18]
SetWindowPos(hwnd, HWND_TOP, \
pvdw->pWinPar->StarX, \
pvdw->pWinPar->StarY, \
pvdw->pWinPar->EndX - pvdw->pWinPar->StarX, \
pvdw->pWinPar->EndY - pvdw->pWinPar->StarY, \
SWP_FRAMECHANGED);
//modified by Mabel [06.03.15] [06.03.18]
::SetStretchBltMode(hdc, HALFTONE);
if( !StretchBlt(hdc, \
0, \
0, \
pvdw->pWinPar->EndX - pvdw->pWinPar->StarX, \
pvdw->pWinPar->EndY - pvdw->pWinPar->StarY, \
hMemDC, 0, 0, IMG_WIDTH, IMG_HEIGHT, SRCCOPY))
{
TRACE(("display wrong! "));
}
// nX = pvdw->pWinPar->StarX;
// nY = pvdw->pWinPar->StarY;
// nWidth = pvdw->pWinPar->EndX - pvdw->pWinPar->StarX; //modified by Mabel [06.03.15]
// nHeigh = pvdw->pWinPar->EndY - pvdw->pWinPar->StarY; //modified by Mabel [06.03.15]
// pBuf = pvdw->pBuf;
// //Mabel [06.03.07]
// ::SetBkMode(hdc, TRANSPARENT);
// ::SetTextColor(hdc, RGB(0,255,0));
// rt.right = nWidth;//Mabel [06.03.17]
// ::DrawText(hdc, szTxtShow, -1, &rt, \
// DT_WORDBREAK|DT_LEFT|DT_END_ELLIPSIS);
// //Mabel [06.03.07]
//
strcpy(szTitle, pvdw->pTitle);
SetWindowText(hwnd, szTitle);
DeleteDC(hMemDC);
DeleteObject(hBitmap);
ReleaseDC(hwnd, hdc);
break;
// case WM_PAINT:
//// if (bfirstLove)
//// {
// hdc = BeginPaint (hwnd, &ps);
//
// hBitmap = CreateDIBitmap(hdc, \
// (BITMAPINFOHEADER FAR *)ImageProc::m_pBmp, \
// CBM_INIT, pBuf, \
// (LPBITMAPINFO)ImageProc::m_pBmp, \
// DIB_RGB_COLORS);
// if(NULL == hBitmap)
// {
// TRACE(_T("image create wrong! %d %s %d"), GetLastError(), __FILE__, __LINE__);
// return 0;
// }
//
// hMemDC = CreateCompatibleDC(hdc);
// SelectObject(hMemDC, hBitmap);
// SetWindowText(hwnd, szTitle);//
// //modified by Mabel [06.03.15] [06.03.18]
// SetWindowPos(hwnd, HWND_TOP, nX, nY, \
// nWidth, nHeigh, SWP_FRAMECHANGED);
// //modified by Mabel [06.03.15] [06.03.18]
// ::SetStretchBltMode(hdc, HALFTONE);
// if( !StretchBlt(hdc, 0, 0, nWidth, nHeigh,\
// hMemDC, 0, 0, IMG_WIDTH, IMG_HEIGHT, SRCCOPY))
// {
// TRACE(_T("display wrong! %s %d"), __FILE__, __LINE__);
// }
//
// //Mabel [06.03.07]
// ::SetBkMode(hdc, TRANSPARENT);
// ::SetTextColor(hdc, RGB(0,255,0));
// rt.right = nWidth;//Mabel [06.03.17]
// ::DrawText(hdc, szTxtShow, -1, &rt, \
// DT_WORDBREAK|DT_LEFT|DT_END_ELLIPSIS);
// //Mabel [06.03.07]
//
// DeleteDC(hMemDC);
// DeleteObject(hBitmap);
// EndPaint (hwnd, &ps) ;
//// }
// break;
// case WM_CLOSE:
// DestroyWindow(hwnd);
case WM_DESTROY:
PostQuitMessage(0);
return 0 ;
}
return DefWindowProc(hwnd, message, wParam, lParam) ;
}
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