www.pudn.com > VideoCapture.rar > ShowStreamDlg.cpp
// ShowStreamDlg.cpp : implementation file
//
#include "stdafx.h"
#include "multicard.h"
#include "ShowStreamDlg.h"
#include "DSStream.h"
#include
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define WIDTH (320)
#define HEIGHT (240)
#define BUFFERSIZE 1244200
//第二参数为模板类型，为如下定义的常量：
#define TEMPLATE_SMOOTH_BOX 1 //Box平滑模板
#define TEMPLATE_SMOOTH_GAUSS 2 //高斯平滑模板
#define TEMPLATE_SHARPEN_LAPLACIAN 3 //拉普拉斯锐化模板
typedef struct tagSAVEDATA
{
VideoStandard standard;
int source;
long brightness;
long contrast;
long hue;
long saturation;
VideoSubType subtype;
LONG width;
LONG height;
} SAVEDATA;
//对应的模板数组如下
int Template_Smooth_Box[9]={1,1,1,1,1,1,1,1,1};
int Template_Smooth_Gauss[9]={1,2,1,2,4,2,1,2,1};
int Template_Sharpen_Laplacian[9]={-1,-1,-1,-1,9,-1,-1,-1,-1};
/////////////////////////////////////////////////////////////////////////////
// CShowStreamDlg dialog
CShowStreamDlg::CShowStreamDlg(CWnd* pParent /*=NULL*/)
: CDialog(CShowStreamDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CShowStreamDlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
m_pdcMemory=new CDC;
m_pBitmap=new CBitmap;
//m_hDIB=(HANDLE) ::GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, BUFFERSIZE/*3*m_StreamHeigth*m_StreamWidth + 40*/);
m_bIs4WayCard = false; //是否是四路实时卡
m_iShowWay=0; //如果是四路实时卡，显示第几路图像
m_StreamHeigth=240;
m_StreamWidth=320;
m_hDIB=(HANDLE) ::GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, BUFFERSIZE);
}
void CShowStreamDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CShowStreamDlg)
// NOTE: the ClassWizard will add DDX and DDV calls here
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CShowStreamDlg, CDialog)
//{{AFX_MSG_MAP(CShowStreamDlg)
ON_WM_DESTROY()
ON_WM_SIZE()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CShowStreamDlg message handlers
void CShowStreamDlg::ShowStream(const BITMAPINFO *pInfo, const BYTE *pBits)
{
//pInfo:信息头 pBits：图像数据
//DWORD Err;
HLOCAL hTempImgData;
char* lpTempImgData;
int LineBytes=0;
int width=0;
int heigth=0;
if(!pInfo || !pBits)
return;
CClientDC dc(this);
HDC hdc = ::GetDC(m_hWnd);
m_pDIB=(LPSTR)::GlobalLock((HGLOBAL)m_hDIB);
//计算位图宽
width=pInfo->bmiHeader.biWidth;
//计算位图高
heigth=pInfo->bmiHeader.biHeight;
// NewSize();
//计算位图行字节
LineBytes=(pInfo->bmiHeader.biWidth * pInfo->bmiHeader.biBitCount+31)/32 *4;
//计算位图数据的容量
if((hTempImgData=LocalAlloc(LHND, pInfo->bmiHeader.biSizeImage))==NULL)
{
MessageBox("Error alloc memory!","Error Message",MB_OK|MB_ICONEXCLAMATION);
}
lpTempImgData=(char*)LocalLock(hTempImgData);
//TemplateOperation(pInfo, pBits,lpTempImgData, width, heigth,LineBytes,TEMPLATE_SMOOTH_GAUSS);
//////////////////////////////叠加算法
BITMAPINFO* p=(BITMAPINFO*)m_pDIB;
if((p->bmiHeader.biWidth==width)&&(p->bmiHeader.biHeight==heigth))
{
CompoundDIB(m_hDIB, pInfo, pBits, 128);
memcpy(lpTempImgData, m_pDIB+sizeof(BITMAPINFO),pInfo->bmiHeader.biSizeImage);
}
else
{
//重新分配内存
//GlobalUnlock((HGLOBAL )m_hDIB);
// m_pDIB=(char*)GlobalReAlloc(m_hDIB, pInfo->bmiHeader.biSizeImage + sizeof(BITMAPINFO), NULL);
GlobalLock((HGLOBAL)m_hDIB);
memcpy(m_pDIB,pInfo,sizeof(BITMAPINFO));
memcpy(m_pDIB+sizeof(BITMAPINFO),pBits,pInfo->bmiHeader.biSizeImage);
memcpy(lpTempImgData,pBits,pInfo->bmiHeader.biSizeImage);
GlobalUnlock((HGLOBAL)m_hDIB);
}
////////////////////////////高斯过滤算法
TemplateOperation(pInfo, (const unsigned char *)m_pDIB+sizeof(BITMAPINFO),lpTempImgData, width, heigth,LineBytes,TEMPLATE_SMOOTH_GAUSS);
//TemplateOperation(pInfo, pBits,lpTempImgData, width, heigth,LineBytes,TEMPLATE_SMOOTH_GAUSS);
////////////////////////////////////////
SetStretchBltMode(hdc, COLORONCOLOR);
//不是四路实时卡
if(!m_bIs4WayCard)
{
StretchDIBits(hdc,
0, 0,m_ClientRect_width, m_ClientRect_High,
0, 0, width, heigth,
lpTempImgData,pInfo, DIB_RGB_COLORS, SRCCOPY);
}
//是四路实时卡
else
{
POINT ptS[4] = { {0,heigth/2}, {width/2,heigth/2}, {0,0}, {width/2,0} };
StretchDIBits(hdc,
0, 0, WIDTH, HEIGHT,
ptS[m_iShowWay].x, ptS[m_iShowWay].y, width/2, heigth/2,
pBits, pInfo, DIB_RGB_COLORS, SRCCOPY);
}
LocalUnlock(hTempImgData);
LocalFree(hTempImgData);
GlobalUnlock((HGLOBAL )m_hDIB);
::ReleaseDC(m_hWnd, hdc);
}
void CShowStreamDlg::SetShowWay(int iCardID, bool bIs4WayCard, int iWay)
{
SAVEDATA SaveData;
FILE * fp;
char szFileName[20];
char szCaption[100];
long size= 3*m_StreamHeigth*m_StreamWidth + 40;
//从文件读入数据
sprintf(szFileName, ".\\SaveData.%02d", iCardID);
fp = fopen(szFileName, "rb");
if(!fp)
return ;
fread(&SaveData, sizeof(SAVEDATA), 1, fp);
fclose(fp);
m_StreamWidth = SaveData.width;
m_StreamHeigth= SaveData.height;
m_iCardID=iCardID;
m_bIs4WayCard = bIs4WayCard;
if(m_bIs4WayCard && iWay>=0 && iWay<=3)
m_iShowWay = iWay;
else
m_iShowWay = 0;
if(m_bIs4WayCard)
sprintf(szCaption, "%d号卡 (路数%d)", iCardID, m_iShowWay);
else
sprintf(szCaption, "%d号卡: 数据流回调显示", iCardID);
SetWindowText(szCaption);
size= 3*m_StreamHeigth*m_StreamWidth + sizeof(BITMAPINFO);
//m_hDIB=(HANDLE) ::GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, size);
m_pDIB=(LPSTR)::GlobalLock((HGLOBAL)m_hDIB);
DSStream_GetCurrentDib(iCardID,(LPBYTE)m_pDIB, &size);
// LPBITMAPINFO pBitmapInfo=(LPBITMAPINFO)m_pDIB;
//SetWindowPos(NULL, -1, -1, pBitmapInfo->bmiHeader.biWidth, pBitmapInfo->bmiHeader.biHeight, SWP_NOZORDER|SWP_NOMOVE);
// MoveWindow(-1, -1,pBitmapInfo->bmiHeader.biWidth, pBitmapInfo->bmiHeader.biHeight,TRUE);
GlobalUnlock((HGLOBAL)m_hDIB);
}
BOOL CShowStreamDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// TODO: Add extra initialization here
//VIDEOSTREAMINFO * pVSI;
RECT rcFrame, rcClient;
int w, h;
int width, height;
GetWindowRect(&rcFrame);
GetClientRect(&rcClient);
w = (rcFrame.right-rcFrame.left) - (rcClient.right-rcClient.left);
h = (rcFrame.bottom-rcFrame.top) - (rcClient.bottom-rcClient.top);
width = m_StreamWidth + w;
height = m_StreamHeigth + h;
SetWindowPos(NULL, -1, -1, width, height, SWP_NOZORDER|SWP_NOMOVE);
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
LPSTR CShowStreamDlg::CompoundDIB(HANDLE hDIB, const BITMAPINFO *pInfo, const BYTE *pBits, int alpha)
{
//hDIB hDIBSrc 为位图的数据，包括位图信息BITMAPINFO
//alpha =0--255
int y;
int temp=0;
LPSTR lpvBuf=NULL; // 目标图象数据指针
LPBYTE lpbPnt=NULL;
LPBYTE lpbPntSrc=NULL;
LPVOID lpvBufSrc=NULL; // 源图数据指针
// 源图象信息
LPBITMAPINFO lpbmif=(LPBITMAPINFO)pInfo;
LPBITMAPINFOHEADER lpbmifh=(LPBITMAPINFOHEADER)lpbmif;
lpvBufSrc=(LPVOID) pBits;//新图像数据
int cxSrc=lpbmifh->biWidth; // 源图象宽度
int cySrc=lpbmifh->biHeight; // 源图象高度
// 计算图象每行的字节数(图象位数 x 图象宽度,如果不能被2整除则在每行后面添加一个0字节)
int nBytesPerLineSrc=((cxSrc*lpbmifh->biBitCount+31)&~31)/32 *4;
lpvBuf=(m_pDIB+sizeof(BITMAPINFO) ); //已保存图像数据
int cx=lpbmifh->biWidth;
int cy=lpbmifh->biHeight;
int nBytesPerLine=((cx*lpbmifh->biBitCount+31)&~31)/32 *4;//计算图像每行象素所占的字节数目
temp=lpbmifh->biBitCount/8;
//新图像数据
// 通过alpha值合并两张图象的像素值
for (y=0; ybmiHeader.biSizeImage);
for( y=1;y255.0) *lpTempPtr=(BYTE)255;
else if(TempNum < 0.0)
*lpTempPtr=(unsigned char)fabs(TempNum);
else *lpTempPtr=(BYTE)TempNum;
*(lpTempPtr+1)=*lpTempPtr;
*(lpTempPtr+2)=*lpTempPtr;
}
}
return (char*)lpPtr;
}
BOOL CShowStreamDlg::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Add your specialized code here and/or call the base class
return CDialog::PreCreateWindow(cs);
}
void CShowStreamDlg::NewSize()
{
RECT rcFrame, rcView;
long w, h;
long width, height;
//如果窗口是最大化的，先还原它
DWORD style = GetWindowLong(m_hWnd, GWL_STYLE);
if(style & WS_MAXIMIZE)
ShowWindow(SW_RESTORE);
GetWindowRect(&rcFrame);
GetClientRect(&rcView);
w = (rcFrame.right-rcFrame.left) - (rcView.right-rcView.left);
h = (rcFrame.bottom-rcFrame.top) - (rcView.bottom-rcView.top);
width = m_StreamWidth + w;
height = m_StreamHeigth+ h;
MoveWindow(-1, 65, width, height,true);
}