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tdelibs/kimgio/g3r.cpp

54 lines
1005 B

// This library is distributed under the conditions of the GNU LGPL.
#include "config.h"
#ifdef HAVE_LIBTIFF
#include <tiffio.h>
#include <qimage.h>
#include <qfile.h>
#include "g3r.h"
KDE_EXPORT void kimgio_g3_read( QImageIO *io )
{
// This won't work if io is not a QFile !
TIFF *tiff = TIFFOpen(QFile::encodeName(io->fileName()), "r");
if (!tiff)
return;
uint32 width, height;
tsize_t scanlength;
if( TIFFGetField( tiff, TIFFTAG_IMAGEWIDTH, &width ) != 1
|| TIFFGetField( tiff, TIFFTAG_IMAGELENGTH, &height ) != 1 )
return;
scanlength = TIFFScanlineSize(tiff);
QImage image(width, height, 1, 0, QImage::BigEndian);
if (image.isNull() || scanlength != image.bytesPerLine())
{
TIFFClose(tiff);
return;
}
for (uint32 y=0; y < height; y++)
TIFFReadScanline(tiff, image.scanLine(y), y);
TIFFClose(tiff);
io->setImage(image);
io->setStatus(0);
}
KDE_EXPORT void kimgio_g3_write(QImageIO *)
{
// TODO: stub
}
#endif