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1/**
2* QImageIO Routines to read/write g3 (fax) images.
3* copyright (c) 2000, Matthias Hölzer-Klüpfel <hoelzer@kde.org>
4*
5* This library is distributed under the conditions of the GNU LGPL.
6*/
7
8#include "g3r.h"
9
10#include <config.h>
11
12#include <tiffio.h>
13
14#include <qimage.h>
15#include <qfile.h>
16
17KDE_EXPORT void kimgio_g3_read( QImageIO *io )
18{
19 // This won't work if io is not a QFile !
20 TIFF *tiff = TIFFOpen(QFile::encodeName(io->fileName()), "r");
21 if (!tiff)
22 return;
23
24 uint32 width, height;
25 tsize_t scanlength;
26
27 if( TIFFGetField( tiff, TIFFTAG_IMAGEWIDTH, &width ) != 1
28 || TIFFGetField( tiff, TIFFTAG_IMAGELENGTH, &height ) != 1 )
29 return;
30 scanlength = TIFFScanlineSize(tiff);
31
32 QImage image(width, height, 1, 0, QImage::BigEndian);
33
34 if (image.isNull() || scanlength != image.bytesPerLine())
35 {
36 TIFFClose(tiff);
37 return;
38 }
39
40 for (uint32 y=0; y < height; y++)
41 TIFFReadScanline(tiff, image.scanLine(y), y);
42
43 TIFFClose(tiff);
44
45 io->setImage(image);
46 io->setStatus(0);
47}
48
49
50KDE_EXPORT void kimgio_g3_write(QImageIO *)
51{
52 // TODO: stub
53}
54
55

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