HANDLE hSourceFile=INVALID_HANDLE_VALUE,hTargetFile=INVALID_HANDLE_VALUE;
DWORD dwSourceSize=0,dwTargetSize=0;
PBYTE pSource=NULL,pTarget=NULL;
hSourceFile=CreateFile(szSourceFile,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
if(hSourceFile==INVALID_HANDLE_VALUE)
{
AfxMessageBox("文件格式错误！");
return FALSE;
}
dwSourceSize=GetFileSize(hSourceFile,NULL);
pSource=(PBYTE)VirtualAlloc(NULL,dwSourceSize,MEM_COMMIT,PAGE_READWRITE);
if(pSource==NULL||dwSourceSize<=54)//分配空间失败或者文件太小（BMP文件不可能小于54个字节）
{
CloseHandle(hSourceFile);
return FALSE;
}
DWORD dwTemp=0;
ReadFile(hSourceFile,pSource,dwSourceSize,&dwTemp,NULL);
BITMAPFILEHEADER *pSourceFileHeader=(BITMAPFILEHEADER*)pSource;
BITMAPINFOHEADER *pSourceInfoHeader=(BITMAPINFOHEADER*)(pSource+sizeof(BITMAPFILEHEADER));
if(pSourceFileHeader->bfType!=0x4d42||pSourceInfoHeader->biBitCount!=32)//不是BMP文件或者不是24位真彩色
{
AfxMessageBox("文件格式错误！");
CloseHandle(hSourceFile);
VirtualFree(pSource,NULL,MEM_RELEASE);
return FALSE;
}
CloseHandle(hSourceFile);
LONG nWidth=pSourceInfoHeader->biWidth;
LONG nHeight=pSourceInfoHeader->biHeight;
/***********************注意位图的一个扫描行必须是32位的倍数******************************************************/
LONG nSourceWidth=nWidth*4;if(nSourceWidth%4) nSourceWidth=(nSourceWidth/4+1)*4;
LONG nTargetWidth=nWidth;if(nTargetWidth%4) nTargetWidth=(nTargetWidth/4+1)*4;
/***********************以上的位图数据位改为了32位，四字节******************************************************/
dwTargetSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+sizeof(RGBQUAD)*256+nHeight*nTargetWidth;
pTarget=(PBYTE)VirtualAlloc(NULL,dwTargetSize,MEM_COMMIT,PAGE_READWRITE);
memset(pTarget,0,dwTargetSize);
if(pTarget==NULL)
{
VirtualFree(pTarget,NULL,MEM_RELEASE);
return FALSE;
}
BITMAPFILEHEADER *pTargetFileHeader=(BITMAPFILEHEADER *)pTarget;
BITMAPINFOHEADER *pTargetInfoHeader=(BITMAPINFOHEADER *)(pTarget+sizeof(BITMAPFILEHEADER));
pTargetFileHeader->bfType=pSourceFileHeader->bfType;
pTargetFileHeader->bfSize=dwTargetSize;
pTargetFileHeader->bfReserved1=0;
pTargetFileHeader->bfReserved2=0;
pTargetFileHeader->bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+sizeof(RGBQUAD)*256;
pTargetInfoHeader->biBitCount=8;
pTargetInfoHeader->biClrImp
pTargetInfoHeader->biClrUsed=256;
pTargetInfoHeader->biCompression=BI_RGB;
pTargetInfoHeader->biHeight=pSourceInfoHeader->biHeight;
pTargetInfoHeader->biPlanes=1;
pTargetInfoHeader->biSize=sizeof(BITMAPINFOHEADER);
pTargetInfoHeader->biSizeImage=nHeight*nTargetWidth;
pTargetInfoHeader->biWidth=pSourceInfoHeader->biWidth;
pTargetInfoHeader->biXPelsPerMeter=pSourceInfoHeader->biXPelsPerMeter;
pTargetInfoHeader->biYPelsPerMeter=pSourceInfoHeader->biYPelsPerMeter;
RGBQUAD *pRgb;
for(int i=0;i<256;i++)//初始化8位灰度图的调色板信息
{
pRgb=(RGBQUAD*)(pTarget+sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+i*sizeof(RGBQUAD));
pRgb->rgbBlue=i;pRgb->rgbGreen=i;pRgb->rgbRed=i;pRgb->rgbReserved=0;
}
int szh=0;
for (int mm=10;mm<nHeight;mm++)//转化真彩色图为灰度图
{
szh=mm-10;
for(int n=0;n<nWidth;n++)
{
int m=nHeight-1-mm;
pTarget[pTargetFileHeader->bfOffBits+m*nTargetWidth+n]=pSource[pSourceFileHeader->bfOffBits+m*nSourceWidth+n*4]*0.114+pSource[pSourceFileHeader->bfOffBits+m*nSourceWidth+n*4+1]*0.587+pSource[pSourceFileHeader->bfOffBits+m*nSourceWidth+n*4+2]*0.299;
/*************************************************************************************************/
int szl=int((n+1)*2/8)+20;int szlw=((n+1)*2)%8;
if(int(pTarget[pTargetFileHeader->bfOffBits+m*nTargetWidth+n])<192)
{
switch(szlw)
{
case 6:
fax[szh][szl] |=0x0c;
break;
case 4:
fax[szh][szl] |=0x30;
break;
case 2:
fax[szh][szl] |=0xc0;
break;
case 0:
fax[szh][szl-1] |=0x03;
break;
}
}
else if(int(pTarget[pTargetFileHeader->bfOffBits+m*nTargetWidth+n])<250)
{
switch(szlw)
{
case 6:
if(fax[szh][szl]&0x10)
{fax[szh][szl] |=0x08;}
else
{fax[szh][szl] |=0x06;}
break;
case 4:
if(fax[szh][szl]&0x40)
{fax[szh][szl] |=0x20;}
else
{fax[szh][szl] |=0x10;}
break;
case 2:
if(fax[szh][szl-1]&0x01)
{fax[szh][szl] |=0x80;}
else
{fax[szh][szl] |=0x60;}
break;
case 0:
if(fax[szh][szl-1]&0x04)
{fax[szh][szl-1] |=0x02;}
else
{fax[szh][szl-1] |=0x01;}
break;
}
}
/*************************************************************************************************/
}
}
cout<<"正在生成文件"<<endl<<"请等待……"<<endl;
/**************************把BYTE fax[1100][216]转换成char FAX[1100][1728]**********************************************/
kwCharTurntoBit((char *)&fax[0][0], 1100*216, (char *)&FAX[0][0]);
/******************************把转换好的海明码存储在一个char buf[1600*1024]中*********************************************************/
addEOL();
CProgressCtrl* pProg=(CProgressCtrl*)GetDlgItem(IDC_PROGRESS1);
pProg->SetPos(0);
for( i=0;i<1100;i++)
{
pProg->SetPos(pProg->GetPos()+1);
count=0;
bkFlag=0;//每一行刚开始的时候都默认为是白色的。
for(int j=0;j<1728;j++)
{
char temp;
temp=char(bkFlag+48);
if(FAX[i][j]==temp) /***************************************/
{count++;} /***如何这样的话，每次都少处理一个点****/
else /****************************************/
{
terminating=count%64;
makeup=count/64-1;
addHM();
bkFlag=!bkFlag;
count=1; //直接赋值为1，不能白循环一次。
}
}
terminating=count%64;
makeup=count/64-1;
addHM();
addEOL();
}
int len = strlen(buf);
strncpy(&buf[len], RTC, strlen(RTC));
char bbuff[200*1024];
memset(bbuff, 0, 200*1024);
/*******************转换buf位成bbuff字符***************************************************************/
len = kwBitTurntoChar(buf, strlen(buf), bbuff);
/******************************************************************************************************/
fstream file(SavePath,ios::in|ios::out|ios::binary);
if(!file)
{
cout<<"fax.dat can't open.\n";
abort();
}
file.write(bbuff,len);
file.close();
hTargetFile=CreateFile(szTargetFile,GENERIC_WRITE,FILE_SHARE_WRITE,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
BOOL stat=WriteFile(hTargetFile,pTarget,dwTargetSize,&dwTemp,NULL);
CloseHandle(hTargetFile);
VirtualFree(pSource,NULL,MEM_RELEASE);
VirtualFree(pTarget,NULL,MEM_RELEASE);
//AfxMessageBox("进行完毕！");
return 1;
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