11. BMP FILE * fp=fopen (" ", "rb");
If (fp==0)
return;

Fseek (fp, sizeof (BITMAPFILEHEADER), 0).
BITMAPINFOHEADER head;
Fread (& amp; The head, sizeof (BITMAPINFOHEADER), 1, fp);
Int bmpHeight=head. BiHeight;
Int bmpWidth=head. BiWidth;
Int biBitCount=head. BiBitCount;
//int lineByte=(bmpWidth * biBitCount/8 + 3)/4 * 4;
Int nBpp=head. BiBitCount;
//int lineByte=(bmpWidth * nBpp + 31)/32 * 4;//BMP 4 bytes align
Int lineByte=4 * (bmpWidth * biBitCount + 31)/32;


Unsigned char * pBmpBuf=new unsigned char [lineByte * bmpHeight];
Fread (pBmpBuf, 1, lineByte * bmpHeight, fp);


The CDC * m_pMemDC;
M_pMemDC=new CDC ();
The CDC * pDC.
PDC=GetDC ();
M_pMemDC - & gt; CreateCompatibleDC (pDC);
CBitmap * m_pMemBmp=new CBitmap ();//according to the size of the image to create a compatible bitmap
M_pMemBmp - & gt; CreateCompatibleBitmap (pDC, bmpWidth, bmpHeight);
M_pMemDC - & gt; SelectObject (m_pMemBmp);


////the image data to the compatible bitmap
Int ret=SetDIBits (pDC - & gt; GetSafeHdc (), (HBITMAP) m_pMemBmp - & gt; GetSafeHandle (),
0, bmpHeight, (LPVOID) pBmpBuf, (LPBITMAPINFO) & amp; The head, DIB_RGB_COLORS);


////////////////////////////////
M_pMemDC - & gt; SetBkMode (TRANSPARENT);
M_pMemDC - & gt; SetTextColor (RGB (255, 255, 255));


//set the font
CFont font;
Font. CreatePointFont (5000, "tahoma");//font size + font name

M_pMemDC - & gt; SelectObject (& amp; The font);
//to add text to the specified location
M_pMemDC - & gt; Hello1111 TextOut (100, 100, "");

/////////////////////only "hello111
"

Unsigned char * pTemp=new unsigned char [lineByte * bmpHeight];


BITMAPINFO * m_pBMI;

BITMAPINFOHEADER bi;
BITMAP BM.


//CClientDC dc (this);
Bi. BiSize=sizeof (BITMAPINFOHEADER);
Bi. BiWidth=bmpWidth;
Bi. BiHeight=bmpHeight;
Bi. BiPlanes=1;
Bi. BiBitCount=1;
Bi. BiCompression=0;
Bi. BiSizeImage=0;
Bi. BiXPelsPerMeter=0;
Bi. BiYPelsPerMeter=0;
Bi. The biClrUsed=0;
Bi. BiClrImportant=0;
//bi. BiSizeImage=head. BiSizeImage;

M_pBMI=(BITMAPINFO *) new char [sizeof (BITMAPINFO)];

Memcpy (m_pBMI, & amp; Bi, sizeof (BITMAPINFOHEADER));

Ret=GetDIBits (m_pMemDC - & gt; GetSafeHdc (), (HBITMAP) m_pMemBmp - & gt; GetSafeHandle (), 0 l, (DWORD) bmpHeight,
(LPVOID pTemp), (LPBITMAPINFO) & amp; The head (DWORD) DIB_RGB_COLORS);


Int dw=GetLastError ();


///////////////////////////the following written tiff
Uint32 width, height;
Uint16 the depth=1;

TIFF * out=TIFFOpen (" 21112 tif ", "w");//open the TIFF file

TIFFSetField (out, TIFFTAG_SUBFILETYPE FILETYPE_PAGE);//that figure is more frames of
Int nCur;//the number of frames
Int nTotal;//the total number of frames
TIFFSetField (out, TIFFTAG_PAGENUMBER nCur, nTotal);//set the frame attribute

Width=bmpWidth;
Height=bmpHeight;

TIFFSetField (out, TIFFTAG_IMAGEWIDTH, width);
TIFFSetField (out, TIFFTAG_IMAGELENGTH, height);
TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, 1);
TIFFSetField (out, TIFFTAG_SAMPLESPERPIXEL, 1);
TIFFSetField (out, TIFFTAG_ROWSPERSTRIP, height);

TIFFSetField (out, TIFFTAG_COMPRESSION COMPRESSION_CCITTFAX4);
TIFFSetField (out, TIFFTAG_PHOTOMETRIC PHOTOMETRIC_MINISWHITE);
TIFFSetField (out, TIFFTAG_FILLORDER FILLORDER_MSB2LSB);
TIFFSetField (out, TIFFTAG_PLANARCONFIG PLANARCONFIG_CONTIG);

TIFFSetField (out, TIFFTAG_XRESOLUTION, 300);
TIFFSetField (out, TIFFTAG_YRESOLUTION, 300);
TIFFSetField (out, TIFFTAG_RESOLUTIONUNIT RESUNIT_INCH);


//TIFF by LZH compression

Uint32 offset, size;
Char * scanbuf;
Size=((width * biBitCount + 31)/32) * 4;
Scanbuf=(char *) _TIFFmalloc (size);
Int nBitsPerPixel=biBitCount;
For (int nLines=0; NLines & lt; Height; NLines++)
{
DWORD dwWidthBytes=((width * biBitCount + 31)/32) * 4;
LPBYTE p=new BYTE [dwWidthBytes];
Memcpy (p, pTemp + (height - 1 - nLines) * dwWidthBytes, dwWidthBytes);
//from BGR to RGB
If (nBitsPerPixel==24 | | nBitsPerPixel==32)
{
LPBYTE pTempData=https://bbs.csdn.net/topics/p;
for(int i=0; I & lt; Width; I++)
{
BYTE temp=* pTempData;//R
* * pTempData=https://bbs.csdn.net/topics/(pTempData + 2);
* (pTempData + 2)=temp;
//m_dwBitsPerPixel may be 32 or 24
PTempData +=nBitsPerPixel/8;
}
}
TIFFWriteScanline (out, p, nLines, 0);
delete p;
P=NULL;
}

_TIFFfree (scanbuf);
TIFFWriteDirectory (out);

//here, to the TIFF file added a picture, if add the next cycle the
//after all, be sure to
TIFFClose (out);


Before they don't have a Set of background, only the last of a line and a whiteboard

CodePudding user response:

Put the memDC content is copied to the clipboard and see,