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2006.07.14 05:47 "Re: The problem of Convert tiff", by Robert Zhang
Hi Joris:
First,Thank for your reply.
I convert Tiff with LibTiff. I develop tiff for the Dialogic. The
Dialogic require the tiff of TIFF/F class. So i must convert the all
format of tiff to TIFF/F class.
this is my code:
/////////////////////////////////////////////////////////////////////////
void CheckTiffToReeDaTif(CString szTiffPathName)
{
char time_Buff[20];
TIFF *image;
TIFF *srcImage;
CString strTempTiff,strTime;;
LONG lv,wv,rowperstrip;
long CurrentPage = GetTiffPageCount(szTiffPathName);;
CTime ltime;
LONG stripbytecount,stripoffset;
image = TIFFOpen("C:\\ReedaSend_Temp.tiff", "w");
srcImage = TIFFOpen(szTiffPathName, "r");
TIFFGetField(srcImage, TIFFTAG_IMAGEWIDTH, &wv);
TIFFGetField(srcImage, TIFFTAG_IMAGELENGTH, &lv);
for (uint32 x =0;x<CurrentPage;x++) {
int readResult =TIFFSetDirectory (srcImage, (tdir_t )x);
if (readResult==0) break;
ltime=CTime::GetCurrentTime();
strTime.Format("%d-%2d-%2d
%2d:%2d:%2d",ltime.GetYear(),ltime.GetMonth(),ltime.GetDay(),ltime.GetHour(),
ltime.GetMinute(), ltime.GetSecond());
TIFFSetField(image, TIFFTAG_SOFTWARE, "GlobalReeDa");
strcpy(time_Buff,strTime.GetBuffer(strTime.GetLength()));
strTime.ReleaseBuffer();
time_Buff[20]='\0';
TIFFGetField(srcImage,TIFFTAG_ROWSPERSTRIP,&rowperstrip);
TIFFGetField(srcImage,TIFFTAG_STRIPOFFSETS,&stripoffset);
TIFFGetField(srcImage,TIFFTAG_STRIPBYTECOUNTS,&stripbytecount);
TIFFSetField(image, TIFFTAG_DATETIME, time_Buff);
TIFFSetField(image, TIFFTAG_SUBFILETYPE, FILETYPE_PAGE);
TIFFSetField(image, TIFFTAG_IMAGEWIDTH, wv);
TIFFSetField(image, TIFFTAG_SAMPLESPERPIXEL, 1);
TIFFSetField(image, TIFFTAG_BITSPERSAMPLE, 1);
TIFFSetField(image, TIFFTAG_FILLORDER, FILLORDER_LSB2MSB);
TIFFSetField(image, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
TIFFSetField(image, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
TIFFSetField(image, TIFFTAG_XRESOLUTION, 204.0);
TIFFSetField(image, TIFFTAG_YRESOLUTION, 196.0);
TIFFSetField(image, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH);
TIFFSetField(image, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX3);
TIFFSetField(image, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
TIFFSetField(image, TIFFTAG_GROUP3OPTIONS, 0);
TIFFSetField(image, TIFFTAG_FAXMODE, FAXMODE_CLASSF);
TIFFSetField(image, TIFFTAG_ROWSPERSTRIP,rowperstrip);
TIFFSetField(image, TIFFTAG_PAGENUMBER, x, CurrentPage);
//TIFFSetField(image, TIFFTAG_PAGENUMBER, l_todalpages);
TIFFSetField(image, TIFFTAG_IMAGELENGTH, lv);
TIFFSetField(image, TIFFTAG_BADFAXLINES, 0);
TIFFSetField(image, TIFFTAG_CLEANFAXDATA, CLEANFAXDATA_CLEAN);
tsize_t stripsize = TIFFStripSize(srcImage);
tdata_t buf = _TIFFmalloc(stripsize);
uint32 rowsperstrip;
(void) TIFFGetFieldDefaulted(srcImage, TIFFTAG_ROWSPERSTRIP,
&rowsperstrip);
tstrip_t s, ns = TIFFNumberOfStrips(srcImage);
uint32 row = 0;
for (s = 0; s < ns; s++) {
tsize_t cc = (row + rowsperstrip > lv) ?
TIFFVStripSize(srcImage, lv - row) : stripsize;
TIFFReadEncodedStrip(srcImage, s, buf, cc);
if (TIFFWriteEncodedStrip(image, s, buf, cc) < 0) {
_TIFFfree(buf);
}
row += rowsperstrip;
}
TIFFWriteDirectory(image);
_TIFFfree(buf);
}
TIFFClose(srcImage);
TIFFClose(image);
}
//////////////////////////////////////////////////////////////////////