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Merge pull request #3371 from Beep6581/tiff_exif_fix

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Exif lost when saving compressed tiff from raw on windows builds, fix…
This commit is contained in:
Ingo Weyrich 2016-07-05 16:10:32 +02:00 committed by GitHub
commit df15f735dc
1 changed files with 12 additions and 5 deletions
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17
rtengine/imageio.cc
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@ -1285,11 +1285,13 @@ int ImageIO::saveTIFF (Glib::ustring fname, int bps, bool uncompressed)
// little hack to get libTiff to use proper byte order (see TIFFClienOpen()):
const char *mode = !exifRoot ? "w" : (exifRoot->getOrder() == rtexif::INTEL ? "wl" : "wb");
#ifdef WIN32
wchar_t *wfilename = (wchar_t*)g_utf8_to_utf16 (fname.c_str(), -1, NULL, NULL, NULL);
TIFF* out = TIFFOpenW (wfilename, mode);
g_free (wfilename);
FILE *file = g_fopen_withBinaryAndLock (fname);
int fileno = _fileno(file);
int osfileno = _get_osfhandle(fileno);
TIFF* out = TIFFFdOpen (osfileno, fname.c_str(), mode);
#else
TIFF* out = TIFFOpen(fname.c_str(), mode);
int fileno = TIFFFileno (out);
#endif
if (!out) {
@ -1314,7 +1316,9 @@ int ImageIO::saveTIFF (Glib::ustring fname, int bps, bool uncompressed)
// TIFFOpen writes out the header and sets file pointer at position 8
exif->write (8, buffer);
write (TIFFFileno (out), buffer + 8, exif_size);
write (fileno, buffer + 8, exif_size);
delete [] buffer;
// let libtiff know that scanlines or any other following stuff should go
// at a different offset:
@ -1352,7 +1356,7 @@ int ImageIO::saveTIFF (Glib::ustring fname, int bps, bool uncompressed)
TIFFSetField (out, TIFFTAG_IMAGELENGTH, height);
TIFFSetField (out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
TIFFSetField (out, TIFFTAG_SAMPLESPERPIXEL, 3);
TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, height);
TIFFSetField (out, TIFFTAG_ROWSPERSTRIP, height);
TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, bps);
TIFFSetField (out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_UINT);
@ -1386,6 +1390,9 @@ int ImageIO::saveTIFF (Glib::ustring fname, int bps, bool uncompressed)
}
TIFFClose (out);
#ifdef WIN32
fclose (file);
#endif
}
delete [] linebuffer;