ome::compat::shared_ptr<IFD> TIFF::getDirectoryByOffset(offset_type offset) const { Sentry sentry; if (!TIFFSetSubDirectory(impl->tiff, offset)) sentry.error(); ome::compat::shared_ptr<TIFF> t(ome::compat::const_pointer_cast<TIFF>(shared_from_this())); return IFD::openOffset(t, offset); }
int dn(TIFF *T, int i) { #ifndef WIN32 uint64_t *v; #else unsigned __int64 *v; #endif uint16 n; if (TIFFGetField(T, TIFFTAG_SUBIFD, &n, &v)) { if (n > 0 && v[i] > 0) return TIFFSetSubDirectory(T, v[i]); } return 0; }
int main(int argc, char* argv[]) { int c; int dirnum = -1; uint32 diroff = 0; oerror = TIFFSetErrorHandler(NULL); owarning = TIFFSetWarningHandler(NULL); while ((c = getopt(argc, argv, "d:o:p:eflmsvw?")) != -1) switch (c) { case 'd': dirnum = atoi(optarg); break; case 'e': oerror = TIFFSetErrorHandler(oerror); break; case 'l': order0 = FILLORDER_LSB2MSB; break; case 'm': order0 = FILLORDER_MSB2LSB; break; case 'o': diroff = strtoul(optarg, NULL, 0); break; case 'p': photo0 = photoArg(optarg); break; case 's': stoponerr = 1; break; case 'w': owarning = TIFFSetWarningHandler(owarning); break; case 'v': verbose = 1; break; case '?': usage(); /*NOTREACHED*/ } filenum = argc - optind; if ( filenum < 1) usage(); glutInit(&argc, argv); glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); /* * Get the screen size */ xmax = glutGet(GLUT_SCREEN_WIDTH); ymax = glutGet(GLUT_SCREEN_HEIGHT); /* * Use 90% of the screen size */ xmax = xmax - xmax / 10.0; ymax = ymax - ymax / 10.0; filelist = (char **) _TIFFmalloc(filenum * sizeof(char*)); if (!filelist) { TIFFError(argv[0], "Can not allocate space for the file list."); return 1; } _TIFFmemcpy(filelist, argv + optind, filenum * sizeof(char*)); fileindex = -1; if (nextImage() < 0) { _TIFFfree(filelist); return 2; } /* * Set initial directory if user-specified * file was opened successfully. */ if (dirnum != -1 && !TIFFSetDirectory(tif, dirnum)) TIFFError(argv[0], "Error, seeking to directory %d", dirnum); if (diroff != 0 && !TIFFSetSubDirectory(tif, diroff)) TIFFError(argv[0], "Error, setting subdirectory at %#x", diroff); order = order0; photo = photo0; initImage(); /* * Create a new window or reconfigure an existing * one to suit the image to be displayed. */ glutInitWindowSize(width, height); snprintf(title, 1024, "%s [%u]", filelist[fileindex], (unsigned int) TIFFCurrentDirectory(tif)); glutCreateWindow(title); glutDisplayFunc(raster_draw); glutReshapeFunc(raster_reshape); glutKeyboardFunc(raster_keys); glutSpecialFunc(raster_special); glutMainLoop(); cleanup_and_exit(); return 0; }
toff_t GTIFFWriteDirectory(TIFF *hTIFF, int nSubfileType, int nXSize, int nYSize, int nBitsPerPixel, int nPlanarConfig, int nSamples, int nBlockXSize, int nBlockYSize, int bTiled, int nCompressFlag, int nPhotometric, int nSampleFormat, int nPredictor, unsigned short *panRed, unsigned short *panGreen, unsigned short *panBlue, int nExtraSamples, unsigned short *panExtraSampleValues, const char *pszMetadata ) { toff_t nBaseDirOffset; toff_t nOffset; nBaseDirOffset = TIFFCurrentDirOffset( hTIFF ); #if defined(TIFFLIB_VERSION) && TIFFLIB_VERSION >= 20051201 /* 3.8.0 */ TIFFFreeDirectory( hTIFF ); #endif TIFFCreateDirectory( hTIFF ); /* -------------------------------------------------------------------- */ /* Setup TIFF fields. */ /* -------------------------------------------------------------------- */ TIFFSetField( hTIFF, TIFFTAG_IMAGEWIDTH, nXSize ); TIFFSetField( hTIFF, TIFFTAG_IMAGELENGTH, nYSize ); if( nSamples == 1 ) TIFFSetField( hTIFF, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG ); else TIFFSetField( hTIFF, TIFFTAG_PLANARCONFIG, nPlanarConfig ); TIFFSetField( hTIFF, TIFFTAG_BITSPERSAMPLE, nBitsPerPixel ); TIFFSetField( hTIFF, TIFFTAG_SAMPLESPERPIXEL, nSamples ); TIFFSetField( hTIFF, TIFFTAG_COMPRESSION, nCompressFlag ); TIFFSetField( hTIFF, TIFFTAG_PHOTOMETRIC, nPhotometric ); TIFFSetField( hTIFF, TIFFTAG_SAMPLEFORMAT, nSampleFormat ); if( bTiled ) { TIFFSetField( hTIFF, TIFFTAG_TILEWIDTH, nBlockXSize ); TIFFSetField( hTIFF, TIFFTAG_TILELENGTH, nBlockYSize ); } else TIFFSetField( hTIFF, TIFFTAG_ROWSPERSTRIP, nBlockYSize ); TIFFSetField( hTIFF, TIFFTAG_SUBFILETYPE, nSubfileType ); if (panExtraSampleValues != NULL) { TIFFSetField(hTIFF, TIFFTAG_EXTRASAMPLES, nExtraSamples, panExtraSampleValues ); } if ( nCompressFlag == COMPRESSION_LZW || nCompressFlag == COMPRESSION_ADOBE_DEFLATE ) TIFFSetField( hTIFF, TIFFTAG_PREDICTOR, nPredictor ); /* -------------------------------------------------------------------- */ /* Write color table if one is present. */ /* -------------------------------------------------------------------- */ if( panRed != NULL ) { TIFFSetField( hTIFF, TIFFTAG_COLORMAP, panRed, panGreen, panBlue ); } /* -------------------------------------------------------------------- */ /* Write metadata if we have some. */ /* -------------------------------------------------------------------- */ if( pszMetadata && strlen(pszMetadata) > 0 ) TIFFSetField( hTIFF, TIFFTAG_GDAL_METADATA, pszMetadata ); /* -------------------------------------------------------------------- */ /* Write directory, and return byte offset. */ /* -------------------------------------------------------------------- */ if( TIFFWriteCheck( hTIFF, bTiled, "GTIFFWriteDirectory" ) == 0 ) { TIFFSetSubDirectory( hTIFF, nBaseDirOffset ); return 0; } TIFFWriteDirectory( hTIFF ); TIFFSetDirectory( hTIFF, (tdir_t) (TIFFNumberOfDirectories(hTIFF)-1) ); nOffset = TIFFCurrentDirOffset( hTIFF ); TIFFSetSubDirectory( hTIFF, nBaseDirOffset ); return nOffset; }
TIFFOvrCache *TIFFCreateOvrCache( TIFF *hTIFF, int nDirOffset ) { TIFFOvrCache *psCache; uint32 nBaseDirOffset; psCache = (TIFFOvrCache *) _TIFFmalloc(sizeof(TIFFOvrCache)); psCache->nDirOffset = nDirOffset; psCache->hTIFF = hTIFF; /* -------------------------------------------------------------------- */ /* Get definition of this raster from the TIFF file itself. */ /* -------------------------------------------------------------------- */ nBaseDirOffset = TIFFCurrentDirOffset( psCache->hTIFF ); TIFFSetSubDirectory( hTIFF, nDirOffset ); TIFFGetField( hTIFF, TIFFTAG_IMAGEWIDTH, &(psCache->nXSize) ); TIFFGetField( hTIFF, TIFFTAG_IMAGELENGTH, &(psCache->nYSize) ); TIFFGetField( hTIFF, TIFFTAG_BITSPERSAMPLE, &(psCache->nBitsPerPixel) ); TIFFGetField( hTIFF, TIFFTAG_SAMPLESPERPIXEL, &(psCache->nSamples) ); TIFFGetField( hTIFF, TIFFTAG_PLANARCONFIG, &(psCache->nPlanarConfig) ); if( !TIFFIsTiled( hTIFF ) ) { TIFFGetField( hTIFF, TIFFTAG_ROWSPERSTRIP, &(psCache->nBlockYSize) ); psCache->nBlockXSize = psCache->nXSize; psCache->nBytesPerBlock = TIFFStripSize(hTIFF); psCache->bTiled = FALSE; } else { TIFFGetField( hTIFF, TIFFTAG_TILEWIDTH, &(psCache->nBlockXSize) ); TIFFGetField( hTIFF, TIFFTAG_TILELENGTH, &(psCache->nBlockYSize) ); psCache->nBytesPerBlock = TIFFTileSize(hTIFF); psCache->bTiled = TRUE; } /* -------------------------------------------------------------------- */ /* Compute some values from this. */ /* -------------------------------------------------------------------- */ psCache->nBlocksPerRow = (psCache->nXSize + psCache->nBlockXSize - 1) / psCache->nBlockXSize; psCache->nBlocksPerColumn = (psCache->nYSize + psCache->nBlockYSize - 1) / psCache->nBlockYSize; if (psCache->nPlanarConfig == PLANARCONFIG_SEPARATE) psCache->nBytesPerRow = psCache->nBytesPerBlock * psCache->nBlocksPerRow * psCache->nSamples; else psCache->nBytesPerRow = psCache->nBytesPerBlock * psCache->nBlocksPerRow; /* -------------------------------------------------------------------- */ /* Allocate and initialize the data buffers. */ /* -------------------------------------------------------------------- */ psCache->pabyRow1Blocks = (unsigned char *) _TIFFmalloc(psCache->nBytesPerRow); psCache->pabyRow2Blocks = (unsigned char *) _TIFFmalloc(psCache->nBytesPerRow); if( psCache->pabyRow1Blocks == NULL || psCache->pabyRow2Blocks == NULL ) { TIFFErrorExt( hTIFF->tif_clientdata, hTIFF->tif_name, "Can't allocate memory for overview cache." ); /* TODO: use of TIFFError is inconsistent with use of fprintf in addtiffo.c, sort out */ return NULL; } _TIFFmemset( psCache->pabyRow1Blocks, 0, psCache->nBytesPerRow ); _TIFFmemset( psCache->pabyRow2Blocks, 0, psCache->nBytesPerRow ); psCache->nBlockOffset = 0; TIFFSetSubDirectory( psCache->hTIFF, nBaseDirOffset ); return psCache; }
static void TIFFWriteOvrRow( TIFFOvrCache * psCache ) { int nRet, iTileX, iTileY = psCache->nBlockOffset; unsigned char *pabyData; uint32 nBaseDirOffset; uint32 RowsInStrip; /* -------------------------------------------------------------------- */ /* If the output cache is multi-byte per sample, and the file */ /* being written to is of a different byte order than the current */ /* platform, we will need to byte swap the data. */ /* -------------------------------------------------------------------- */ if( TIFFIsByteSwapped(psCache->hTIFF) ) { if( psCache->nBitsPerPixel == 16 ) TIFFSwabArrayOfShort( (uint16 *) psCache->pabyRow1Blocks, (psCache->nBytesPerBlock * psCache->nSamples) / 2 ); else if( psCache->nBitsPerPixel == 32 ) TIFFSwabArrayOfLong( (uint32 *) psCache->pabyRow1Blocks, (psCache->nBytesPerBlock * psCache->nSamples) / 4 ); else if( psCache->nBitsPerPixel == 64 ) TIFFSwabArrayOfDouble( (double *) psCache->pabyRow1Blocks, (psCache->nBytesPerBlock * psCache->nSamples) / 8 ); } /* -------------------------------------------------------------------- */ /* Record original directory position, so we can restore it at */ /* end. */ /* -------------------------------------------------------------------- */ nBaseDirOffset = TIFFCurrentDirOffset( psCache->hTIFF ); nRet = TIFFSetSubDirectory( psCache->hTIFF, psCache->nDirOffset ); assert( nRet == 1 ); /* -------------------------------------------------------------------- */ /* Write blocks to TIFF file. */ /* -------------------------------------------------------------------- */ for( iTileX = 0; iTileX < psCache->nBlocksPerRow; iTileX++ ) { int nTileID; if (psCache->nPlanarConfig == PLANARCONFIG_SEPARATE) { int iSample; for( iSample = 0; iSample < psCache->nSamples; iSample++ ) { pabyData = TIFFGetOvrBlock( psCache, iTileX, iTileY, iSample ); if( psCache->bTiled ) { nTileID = TIFFComputeTile( psCache->hTIFF, iTileX * psCache->nBlockXSize, iTileY * psCache->nBlockYSize, 0, (tsample_t) iSample ); TIFFWriteEncodedTile( psCache->hTIFF, nTileID, pabyData, TIFFTileSize(psCache->hTIFF) ); } else { nTileID = TIFFComputeStrip( psCache->hTIFF, iTileY * psCache->nBlockYSize, (tsample_t) iSample ); RowsInStrip=psCache->nBlockYSize; if ((iTileY+1)*psCache->nBlockYSize>psCache->nYSize) RowsInStrip=psCache->nYSize-iTileY*psCache->nBlockYSize; TIFFWriteEncodedStrip( psCache->hTIFF, nTileID, pabyData, TIFFVStripSize(psCache->hTIFF,RowsInStrip) ); } } } else { pabyData = TIFFGetOvrBlock( psCache, iTileX, iTileY, 0 ); if( psCache->bTiled ) { nTileID = TIFFComputeTile( psCache->hTIFF, iTileX * psCache->nBlockXSize, iTileY * psCache->nBlockYSize, 0, 0 ); TIFFWriteEncodedTile( psCache->hTIFF, nTileID, pabyData, TIFFTileSize(psCache->hTIFF) ); } else { nTileID = TIFFComputeStrip( psCache->hTIFF, iTileY * psCache->nBlockYSize, 0 ); RowsInStrip=psCache->nBlockYSize; if ((iTileY+1)*psCache->nBlockYSize>psCache->nYSize) RowsInStrip=psCache->nYSize-iTileY*psCache->nBlockYSize; TIFFWriteEncodedStrip( psCache->hTIFF, nTileID, pabyData, TIFFVStripSize(psCache->hTIFF,RowsInStrip) ); } } } /* TODO: add checks on error status return of TIFFWriteEncodedTile and TIFFWriteEncodedStrip */ /* -------------------------------------------------------------------- */ /* Rotate buffers. */ /* -------------------------------------------------------------------- */ pabyData = psCache->pabyRow1Blocks; psCache->pabyRow1Blocks = psCache->pabyRow2Blocks; psCache->pabyRow2Blocks = pabyData; _TIFFmemset( pabyData, 0, psCache->nBytesPerRow ); psCache->nBlockOffset++; /* -------------------------------------------------------------------- */ /* Restore access to original directory. */ /* -------------------------------------------------------------------- */ TIFFFlush( psCache->hTIFF ); /* TODO: add checks on error status return of TIFFFlush */ TIFFSetSubDirectory( psCache->hTIFF, nBaseDirOffset ); /* TODO: add checks on error status return of TIFFSetSubDirectory */ }
int main(int argc, char* argv[]) { uint16 defconfig = (uint16) -1; uint16 deffillorder = 0; uint32 deftilewidth = (uint32) -1; uint32 deftilelength = (uint32) -1; uint32 defrowsperstrip = (uint32) -1; uint32 diroff = 0, p_diroff = 0; TIFF* in; TIFF* out; char mode[10]; char* mp = mode; int c; extern int optind; extern char* optarg; *mp++ = 'w'; *mp = '\0'; while ((c = getopt(argc, argv, "c:f:l:o:z:p:r:w:aistBLMC")) != -1) switch (c) { case 'a': /* append to output */ mode[0] = 'a'; break; case 'c': /* compression scheme */ if (!processCompressOptions(optarg)) usage(); break; case 'f': /* fill order */ if (streq(optarg, "lsb2msb")) deffillorder = FILLORDER_LSB2MSB; else if (streq(optarg, "msb2lsb")) deffillorder = FILLORDER_MSB2LSB; else usage(); break; case 'i': /* ignore errors */ ignore = TRUE; break; case 'l': /* tile length */ outtiled = TRUE; deftilelength = atoi(optarg); break; case 'o': /* initial directory offset */ diroff = strtoul(optarg, NULL, 0); break; case 'z': /* initial directory offset */ p_diroff = strtoul(optarg, NULL, 0); break; case 'p': /* planar configuration */ if (streq(optarg, "separate")) defconfig = PLANARCONFIG_SEPARATE; else if (streq(optarg, "contig")) defconfig = PLANARCONFIG_CONTIG; else usage(); break; case 'r': /* rows/strip */ defrowsperstrip = atoi(optarg); break; case 's': /* generate stripped output */ outtiled = FALSE; break; case 't': /* generate tiled output */ outtiled = TRUE; break; case 'w': /* tile width */ outtiled = TRUE; deftilewidth = atoi(optarg); break; case 'B': *mp++ = 'b'; *mp = '\0'; break; case 'L': *mp++ = 'l'; *mp = '\0'; break; case 'M': *mp++ = 'm'; *mp = '\0'; break; case 'C': *mp++ = 'c'; *mp = '\0'; break; case '?': usage(); /*NOTREACHED*/ } if (argc - optind < 2) usage(); out = TIFFOpen(argv[argc-1], mode); if (out == NULL) return (-2); mode[0] = 'r'; for (; optind < argc-1 ; optind++) { in = TIFFOpen(argv[optind], mode); if (in == NULL) return (-3); if (diroff != 0 && !TIFFSetSubDirectory(in, diroff)) { TIFFError(TIFFFileName(in), "Error, setting subdirectory at %#x", diroff); (void) TIFFClose(out); return (1); } if (p_diroff != 0 && !TIFFSetDirectory(in, p_diroff)) { TIFFError(TIFFFileName(in), "Error, setting subdirectory at %#x", diroff); (void) TIFFClose(out); return (1); } do { config = defconfig; compression = defcompression; predictor = defpredictor; fillorder = deffillorder; rowsperstrip = defrowsperstrip; tilewidth = deftilewidth; tilelength = deftilelength; g3opts = defg3opts; if (!tiffcp(in, out) || !TIFFWriteDirectory(out)) { (void) TIFFClose(out); return (1); } } while (TIFFReadDirectory(in) && p_diroff == 0 ); (void) TIFFClose(in); } (void) TIFFClose(out); return (0); }
CPL_C_END /************************************************************************/ /* GTIFFWriteDirectory() */ /* */ /* Create a new directory, without any image data for an overview */ /* or a mask */ /* Returns offset of newly created directory, but the */ /* current directory is reset to be the one in used when this */ /* function is called. */ /************************************************************************/ long GTIFFWriteDirectory(TIFF *hTIFF, int nSubfileType, int nXSize, int nYSize, int nBitsPerPixel, int nPlanarConfig, int nSamples, int nBlockXSize, int nBlockYSize, int bTiled, int nCompressFlag, int nPhotometric, int nSampleFormat, unsigned short *panRed, unsigned short *panGreen, unsigned short *panBlue, int nExtraSamples, unsigned short *panExtraSampleValues, const char *pszMetadata ) { toff_t nBaseDirOffset; toff_t nOffset; nBaseDirOffset = TIFFCurrentDirOffset( hTIFF ); #if defined(TIFFLIB_VERSION) && TIFFLIB_VERSION >= 20051201 /* 3.8.0 */ TIFFFreeDirectory( hTIFF ); #endif TIFFCreateDirectory( hTIFF ); /* -------------------------------------------------------------------- */ /* Setup TIFF fields. */ /* -------------------------------------------------------------------- */ TIFFSetField( hTIFF, TIFFTAG_IMAGEWIDTH, nXSize ); TIFFSetField( hTIFF, TIFFTAG_IMAGELENGTH, nYSize ); if( nSamples == 1 ) TIFFSetField( hTIFF, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG ); else TIFFSetField( hTIFF, TIFFTAG_PLANARCONFIG, nPlanarConfig ); TIFFSetField( hTIFF, TIFFTAG_BITSPERSAMPLE, nBitsPerPixel ); TIFFSetField( hTIFF, TIFFTAG_SAMPLESPERPIXEL, nSamples ); TIFFSetField( hTIFF, TIFFTAG_COMPRESSION, nCompressFlag ); TIFFSetField( hTIFF, TIFFTAG_PHOTOMETRIC, nPhotometric ); TIFFSetField( hTIFF, TIFFTAG_SAMPLEFORMAT, nSampleFormat ); if( bTiled ) { TIFFSetField( hTIFF, TIFFTAG_TILEWIDTH, nBlockXSize ); TIFFSetField( hTIFF, TIFFTAG_TILELENGTH, nBlockYSize ); } else TIFFSetField( hTIFF, TIFFTAG_ROWSPERSTRIP, nBlockYSize ); TIFFSetField( hTIFF, TIFFTAG_SUBFILETYPE, nSubfileType ); if (panExtraSampleValues != NULL) { TIFFSetField(hTIFF, TIFFTAG_EXTRASAMPLES, nExtraSamples, panExtraSampleValues ); } /* -------------------------------------------------------------------- */ /* Write color table if one is present. */ /* -------------------------------------------------------------------- */ if( panRed != NULL ) { TIFFSetField( hTIFF, TIFFTAG_COLORMAP, panRed, panGreen, panBlue ); } /* -------------------------------------------------------------------- */ /* Write metadata if we have some. */ /* -------------------------------------------------------------------- */ if( pszMetadata && strlen(pszMetadata) > 0 ) TIFFSetField( hTIFF, TIFFTAG_GDAL_METADATA, pszMetadata ); /* -------------------------------------------------------------------- */ /* Write directory, and return byte offset. */ /* -------------------------------------------------------------------- */ if( TIFFWriteCheck( hTIFF, bTiled, "GTIFFWriteDirectory" ) == 0 ) { TIFFSetSubDirectory( hTIFF, nBaseDirOffset ); return 0; } TIFFWriteDirectory( hTIFF ); TIFFSetDirectory( hTIFF, (tdir_t) (TIFFNumberOfDirectories(hTIFF)-1) ); nOffset = TIFFCurrentDirOffset( hTIFF ); TIFFSetSubDirectory( hTIFF, nBaseDirOffset ); return nOffset; }
toff_t GTIFFWriteDirectory( TIFF *hTIFF, int nSubfileType, int nXSize, int nYSize, int nBitsPerPixel, int nPlanarConfig, int nSamples, int nBlockXSize, int nBlockYSize, int bTiled, int nCompressFlag, int nPhotometric, int nSampleFormat, int nPredictor, unsigned short *panRed, unsigned short *panGreen, unsigned short *panBlue, int nExtraSamples, unsigned short *panExtraSampleValues, const char *pszMetadata, const char* pszJPEGQuality, const char* pszJPEGTablesMode, const char* pszNoData, CPL_UNUSED const uint32* panLercAddCompressionAndVersion ) { const toff_t nBaseDirOffset = TIFFCurrentDirOffset( hTIFF ); // This is a bit of a hack to cause (*tif->tif_cleanup)(tif); to be called. // See https://trac.osgeo.org/gdal/ticket/2055 TIFFSetField( hTIFF, TIFFTAG_COMPRESSION, COMPRESSION_NONE ); #if defined(TIFFLIB_VERSION) && TIFFLIB_VERSION >= 20051201 // 3.8.0 TIFFFreeDirectory( hTIFF ); #endif TIFFCreateDirectory( hTIFF ); /* -------------------------------------------------------------------- */ /* Setup TIFF fields. */ /* -------------------------------------------------------------------- */ TIFFSetField( hTIFF, TIFFTAG_IMAGEWIDTH, nXSize ); TIFFSetField( hTIFF, TIFFTAG_IMAGELENGTH, nYSize ); if( nSamples == 1 ) TIFFSetField( hTIFF, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG ); else TIFFSetField( hTIFF, TIFFTAG_PLANARCONFIG, nPlanarConfig ); TIFFSetField( hTIFF, TIFFTAG_BITSPERSAMPLE, nBitsPerPixel ); TIFFSetField( hTIFF, TIFFTAG_SAMPLESPERPIXEL, nSamples ); TIFFSetField( hTIFF, TIFFTAG_COMPRESSION, nCompressFlag ); TIFFSetField( hTIFF, TIFFTAG_PHOTOMETRIC, nPhotometric ); TIFFSetField( hTIFF, TIFFTAG_SAMPLEFORMAT, nSampleFormat ); if( bTiled ) { TIFFSetField( hTIFF, TIFFTAG_TILEWIDTH, nBlockXSize ); TIFFSetField( hTIFF, TIFFTAG_TILELENGTH, nBlockYSize ); } else { TIFFSetField( hTIFF, TIFFTAG_ROWSPERSTRIP, nBlockYSize ); } TIFFSetField( hTIFF, TIFFTAG_SUBFILETYPE, nSubfileType ); if( panExtraSampleValues != nullptr ) { TIFFSetField( hTIFF, TIFFTAG_EXTRASAMPLES, nExtraSamples, panExtraSampleValues ); } if( nCompressFlag == COMPRESSION_LZW || nCompressFlag == COMPRESSION_ADOBE_DEFLATE || nCompressFlag == COMPRESSION_ZSTD ) TIFFSetField( hTIFF, TIFFTAG_PREDICTOR, nPredictor ); /* -------------------------------------------------------------------- */ /* Write color table if one is present. */ /* -------------------------------------------------------------------- */ if( panRed != nullptr ) { TIFFSetField( hTIFF, TIFFTAG_COLORMAP, panRed, panGreen, panBlue ); } /* -------------------------------------------------------------------- */ /* Write metadata if we have some. */ /* -------------------------------------------------------------------- */ if( pszMetadata && strlen(pszMetadata) > 0 ) TIFFSetField( hTIFF, TIFFTAG_GDAL_METADATA, pszMetadata ); /* -------------------------------------------------------------------- */ /* Write JPEG tables if needed. */ /* -------------------------------------------------------------------- */ if( nCompressFlag == COMPRESSION_JPEG ) { GTiffWriteJPEGTables( hTIFF, (nPhotometric == PHOTOMETRIC_RGB) ? "RGB" : (nPhotometric == PHOTOMETRIC_YCBCR) ? "YCBCR" : "MINISBLACK", pszJPEGQuality, pszJPEGTablesMode ); if( nPhotometric == PHOTOMETRIC_YCBCR ) { // Explicitly register the subsampling so that JPEGFixupTags // is a no-op (helps for cloud optimized geotiffs) TIFFSetField( hTIFF, TIFFTAG_YCBCRSUBSAMPLING, 2, 2 ); } } #ifdef HAVE_LERC if( nCompressFlag == COMPRESSION_LERC && panLercAddCompressionAndVersion ) { TIFFSetField(hTIFF, TIFFTAG_LERC_PARAMETERS, 2, panLercAddCompressionAndVersion); } #endif /* -------------------------------------------------------------------- */ /* Write no data value if we have one. */ /* -------------------------------------------------------------------- */ if( pszNoData != nullptr ) { TIFFSetField( hTIFF, TIFFTAG_GDAL_NODATA, pszNoData ); } /* -------------------------------------------------------------------- */ /* Write directory, and return byte offset. */ /* -------------------------------------------------------------------- */ if( TIFFWriteCheck( hTIFF, bTiled, "GTIFFWriteDirectory" ) == 0 ) { TIFFSetSubDirectory( hTIFF, nBaseDirOffset ); return 0; } TIFFWriteDirectory( hTIFF ); TIFFSetDirectory( hTIFF, static_cast<tdir_t>(TIFFNumberOfDirectories(hTIFF) - 1) ); const toff_t nOffset = TIFFCurrentDirOffset( hTIFF ); TIFFSetSubDirectory( hTIFF, nBaseDirOffset ); return nOffset; }
uint32 TIFF_WriteOverview( TIFF *hTIFF, int nXSize, int nYSize, int nBitsPerPixel, int nPlanarConfig, int nSamples, int nBlockXSize, int nBlockYSize, int bTiled, int nCompressFlag, int nPhotometric, int nSampleFormat, unsigned short *panRed, unsigned short *panGreen, unsigned short *panBlue, int bUseSubIFDs, int nHorSubsampling, int nVerSubsampling ) { uint32 nBaseDirOffset; uint32 nOffset; nBaseDirOffset = TIFFCurrentDirOffset( hTIFF ); TIFFCreateDirectory( hTIFF ); /* -------------------------------------------------------------------- */ /* Setup TIFF fields. */ /* -------------------------------------------------------------------- */ TIFFSetField( hTIFF, TIFFTAG_IMAGEWIDTH, nXSize ); TIFFSetField( hTIFF, TIFFTAG_IMAGELENGTH, nYSize ); if( nSamples == 1 ) TIFFSetField( hTIFF, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG ); else TIFFSetField( hTIFF, TIFFTAG_PLANARCONFIG, nPlanarConfig ); TIFFSetField( hTIFF, TIFFTAG_BITSPERSAMPLE, nBitsPerPixel ); TIFFSetField( hTIFF, TIFFTAG_SAMPLESPERPIXEL, nSamples ); TIFFSetField( hTIFF, TIFFTAG_COMPRESSION, nCompressFlag ); TIFFSetField( hTIFF, TIFFTAG_PHOTOMETRIC, nPhotometric ); TIFFSetField( hTIFF, TIFFTAG_SAMPLEFORMAT, nSampleFormat ); if( bTiled ) { TIFFSetField( hTIFF, TIFFTAG_TILEWIDTH, nBlockXSize ); TIFFSetField( hTIFF, TIFFTAG_TILELENGTH, nBlockYSize ); } else TIFFSetField( hTIFF, TIFFTAG_ROWSPERSTRIP, nBlockYSize ); TIFFSetField( hTIFF, TIFFTAG_SUBFILETYPE, FILETYPE_REDUCEDIMAGE ); if( nPhotometric == PHOTOMETRIC_YCBCR || nPhotometric == PHOTOMETRIC_ITULAB ) { TIFFSetField( hTIFF, TIFFTAG_YCBCRSUBSAMPLING, nHorSubsampling, nVerSubsampling); /* TODO: also write YCbCrPositioning and YCbCrCoefficients tag identical to source IFD */ } /* TODO: add command-line parameter for selecting jpeg compression quality * that gets ignored when compression isn't jpeg */ /* -------------------------------------------------------------------- */ /* Write color table if one is present. */ /* -------------------------------------------------------------------- */ if( panRed != NULL ) { TIFFSetField( hTIFF, TIFFTAG_COLORMAP, panRed, panGreen, panBlue ); } /* -------------------------------------------------------------------- */ /* Write directory, and return byte offset. */ /* -------------------------------------------------------------------- */ if( TIFFWriteCheck( hTIFF, bTiled, "TIFFBuildOverviews" ) == 0 ) return 0; TIFFWriteDirectory( hTIFF ); TIFFSetDirectory( hTIFF, (tdir_t) (TIFFNumberOfDirectories(hTIFF)-1) ); nOffset = TIFFCurrentDirOffset( hTIFF ); TIFFSetSubDirectory( hTIFF, nBaseDirOffset ); return nOffset; }
int main(int argc, char* argv[]) { TIFF *tiff; int arg_index; if (argc < 2) usage(); tiff = TIFFOpen(argv[argc-1], "r+"); if (tiff == NULL) return 2; for( arg_index = 1; arg_index < argc-1; arg_index++ ) { if (strcmp(argv[arg_index],"-d") == 0 && arg_index < argc-2) { arg_index++; if( TIFFSetDirectory(tiff, atoi(argv[arg_index]) ) != 1 ) { fprintf( stderr, "Failed to set directory=%s\n", argv[arg_index] ); return 6; } arg_index++; } if (strcmp(argv[arg_index],"-sd") == 0 && arg_index < argc-2) { arg_index++; if( TIFFSetSubDirectory(tiff, atoi(argv[arg_index]) ) != 1 ) { fprintf( stderr, "Failed to set sub directory=%s\n", argv[arg_index] ); return 7; } arg_index++; } /* Add unset option to tiffset -- Zach Baker ([email protected]) 11/14/2012 */ if (strcmp(argv[arg_index],"-u") == 0 && arg_index < argc-2) { const TIFFField *fip; const char *tagname; arg_index++; tagname = argv[arg_index]; fip = GetField(tiff, tagname); if (!fip) return 3; if (TIFFUnsetField(tiff, TIFFFieldTag(fip)) != 1) { fprintf(stderr, "Failed to unset %s\n", TIFFFieldName(fip)); } arg_index++; } else if (strcmp(argv[arg_index],"-s") == 0 && arg_index < argc-3) { const TIFFField *fip; const char *tagname; arg_index++; tagname = argv[arg_index]; fip = GetField(tiff, tagname); if (!fip) return 3; arg_index++; if (TIFFFieldDataType(fip) == TIFF_ASCII) { if (TIFFSetField(tiff, TIFFFieldTag(fip), argv[arg_index]) != 1) fprintf( stderr, "Failed to set %s=%s\n", TIFFFieldName(fip), argv[arg_index] ); } else if (TIFFFieldWriteCount(fip) > 0 || TIFFFieldWriteCount(fip) == TIFF_VARIABLE) { int ret = 1; short wc; if (TIFFFieldWriteCount(fip) == TIFF_VARIABLE) wc = atoi(argv[arg_index++]); else wc = TIFFFieldWriteCount(fip); if (argc - arg_index < wc) { fprintf( stderr, "Number of tag values is not enough. " "Expected %d values for %s tag, got %d\n", wc, TIFFFieldName(fip), argc - arg_index); return 4; } if (wc > 1) { int i, size; void *array; switch (TIFFFieldDataType(fip)) { /* * XXX: We can't use TIFFDataWidth() * to determine the space needed to store * the value. For TIFF_RATIONAL values * TIFFDataWidth() returns 8, but we use 4-byte * float to represent rationals. */ case TIFF_BYTE: case TIFF_ASCII: case TIFF_SBYTE: case TIFF_UNDEFINED: default: size = 1; break; case TIFF_SHORT: case TIFF_SSHORT: size = 2; break; case TIFF_LONG: case TIFF_SLONG: case TIFF_FLOAT: case TIFF_IFD: case TIFF_RATIONAL: case TIFF_SRATIONAL: size = 4; break; case TIFF_DOUBLE: size = 8; break; } array = _TIFFmalloc(wc * size); if (!array) { fprintf(stderr, "No space for %s tag\n", tagname); return 4; } switch (TIFFFieldDataType(fip)) { case TIFF_BYTE: for (i = 0; i < wc; i++) ((uint8 *)array)[i] = atoi(argv[arg_index+i]); break; case TIFF_SHORT: for (i = 0; i < wc; i++) ((uint16 *)array)[i] = atoi(argv[arg_index+i]); break; case TIFF_SBYTE: for (i = 0; i < wc; i++) ((int8 *)array)[i] = atoi(argv[arg_index+i]); break; case TIFF_SSHORT: for (i = 0; i < wc; i++) ((int16 *)array)[i] = atoi(argv[arg_index+i]); break; case TIFF_LONG: for (i = 0; i < wc; i++) ((uint32 *)array)[i] = atol(argv[arg_index+i]); break; case TIFF_SLONG: case TIFF_IFD: for (i = 0; i < wc; i++) ((uint32 *)array)[i] = atol(argv[arg_index+i]); break; case TIFF_DOUBLE: for (i = 0; i < wc; i++) ((double *)array)[i] = atof(argv[arg_index+i]); break; case TIFF_RATIONAL: case TIFF_SRATIONAL: case TIFF_FLOAT: for (i = 0; i < wc; i++) ((float *)array)[i] = (float)atof(argv[arg_index+i]); break; default: break; } if (TIFFFieldPassCount(fip)) { ret = TIFFSetField(tiff, TIFFFieldTag(fip), wc, array); } else if (TIFFFieldTag(fip) == TIFFTAG_PAGENUMBER || TIFFFieldTag(fip) == TIFFTAG_HALFTONEHINTS || TIFFFieldTag(fip) == TIFFTAG_YCBCRSUBSAMPLING || TIFFFieldTag(fip) == TIFFTAG_DOTRANGE) { if (TIFFFieldDataType(fip) == TIFF_BYTE) { ret = TIFFSetField(tiff, TIFFFieldTag(fip), ((uint8 *)array)[0], ((uint8 *)array)[1]); } else if (TIFFFieldDataType(fip) == TIFF_SHORT) { ret = TIFFSetField(tiff, TIFFFieldTag(fip), ((uint16 *)array)[0], ((uint16 *)array)[1]); } } else { ret = TIFFSetField(tiff, TIFFFieldTag(fip), array); } _TIFFfree(array); } else { switch (TIFFFieldDataType(fip)) { case TIFF_BYTE: case TIFF_SHORT: case TIFF_SBYTE: case TIFF_SSHORT: ret = TIFFSetField(tiff, TIFFFieldTag(fip), atoi(argv[arg_index++])); break; case TIFF_LONG: case TIFF_SLONG: case TIFF_IFD: ret = TIFFSetField(tiff, TIFFFieldTag(fip), atol(argv[arg_index++])); break; case TIFF_DOUBLE: ret = TIFFSetField(tiff, TIFFFieldTag(fip), atof(argv[arg_index++])); break; case TIFF_RATIONAL: case TIFF_SRATIONAL: case TIFF_FLOAT: ret = TIFFSetField(tiff, TIFFFieldTag(fip), (float)atof(argv[arg_index++])); break; default: break; } } if (ret != 1) fprintf(stderr, "Failed to set %s\n", TIFFFieldName(fip)); arg_index += wc; } } else if (strcmp(argv[arg_index],"-sf") == 0 && arg_index < argc-3) { FILE *fp; const TIFFField *fip; char *text; size_t len; arg_index++; fip = GetField(tiff, argv[arg_index]); if (!fip) return 3; if (TIFFFieldDataType(fip) != TIFF_ASCII) { fprintf( stderr, "Only ASCII tags can be set from file. " "%s is not ASCII tag.\n", TIFFFieldName(fip) ); return 5; } arg_index++; fp = fopen( argv[arg_index], "rt" ); if(fp == NULL) { perror( argv[arg_index] ); continue; } text = (char *) malloc(1000000); len = fread( text, 1, 999999, fp ); text[len] = '\0'; fclose( fp ); if(TIFFSetField( tiff, TIFFFieldTag(fip), text ) != 1) { fprintf(stderr, "Failed to set %s from file %s\n", TIFFFieldName(fip), argv[arg_index]); } _TIFFfree( text ); arg_index++; } else { fprintf(stderr, "Unrecognised option: %s\n", argv[arg_index]); usage(); } } TIFFRewriteDirectory(tiff); TIFFClose(tiff); return 0; }
static uint32 TIFF_WriteOverview( TIFF *hTIFF, int nXSize, int nYSize, int nBitsPerPixel, int nSamples, int nBlockXSize, int nBlockYSize, int bTiled, int nCompressFlag, int nPhotometric, int nSampleFormat, unsigned short *panRed, unsigned short *panGreen, unsigned short *panBlue, int bUseSubIFDs ) { uint32 nBaseDirOffset; uint32 nOffset; nBaseDirOffset = TIFFCurrentDirOffset( hTIFF ); TIFFCreateDirectory( hTIFF ); /* -------------------------------------------------------------------- */ /* Setup TIFF fields. */ /* -------------------------------------------------------------------- */ TIFFSetField( hTIFF, TIFFTAG_IMAGEWIDTH, nXSize ); TIFFSetField( hTIFF, TIFFTAG_IMAGELENGTH, nYSize ); if( nSamples == 1 ) TIFFSetField( hTIFF, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG ); else TIFFSetField( hTIFF, TIFFTAG_PLANARCONFIG, PLANARCONFIG_SEPARATE ); TIFFSetField( hTIFF, TIFFTAG_BITSPERSAMPLE, nBitsPerPixel ); TIFFSetField( hTIFF, TIFFTAG_SAMPLESPERPIXEL, nSamples ); TIFFSetField( hTIFF, TIFFTAG_COMPRESSION, nCompressFlag ); TIFFSetField( hTIFF, TIFFTAG_PHOTOMETRIC, nPhotometric ); TIFFSetField( hTIFF, TIFFTAG_SAMPLEFORMAT, nSampleFormat ); if( bTiled ) { TIFFSetField( hTIFF, TIFFTAG_TILEWIDTH, nBlockXSize ); TIFFSetField( hTIFF, TIFFTAG_TILELENGTH, nBlockYSize ); } else TIFFSetField( hTIFF, TIFFTAG_ROWSPERSTRIP, nBlockYSize ); TIFFSetField( hTIFF, TIFFTAG_SUBFILETYPE, FILETYPE_REDUCEDIMAGE ); /* -------------------------------------------------------------------- */ /* Write color table if one is present. */ /* -------------------------------------------------------------------- */ if( panRed != NULL ) { TIFFSetField( hTIFF, TIFFTAG_COLORMAP, panRed, panGreen, panBlue ); } /* -------------------------------------------------------------------- */ /* Write directory, and return byte offset. */ /* -------------------------------------------------------------------- */ TIFFWriteCheck( hTIFF, bTiled, "TIFFBuildOverviews" ); TIFFWriteDirectory( hTIFF ); TIFFSetDirectory( hTIFF, TIFFNumberOfDirectories(hTIFF)-1 ); nOffset = TIFFCurrentDirOffset( hTIFF ); TIFFSetSubDirectory( hTIFF, nBaseDirOffset ); return nOffset; }
int main(int argc, char* argv[]) { int dirnum = -1, c, np = 0; float pageWidth = 0; float pageHeight = 0; uint32 diroff = 0; extern char *optarg; extern int optind; FILE* output = stdout; while ((c = getopt(argc, argv, "h:i:w:d:o:O:aemzps128DT")) != -1) switch (c) { case 'd': dirnum = atoi(optarg); break; case 'D': PSduplex = TRUE; break; case 'i': interpolate = atoi(optarg) ? TRUE:FALSE; break; case 'T': PStumble = TRUE; break; case 'e': generateEPSF = TRUE; break; case 'h': pageHeight = atof(optarg); break; case 'm': useImagemask = TRUE; break; case 'o': diroff = (uint32) strtoul(optarg, NULL, 0); break; case 'O': /* XXX too bad -o is already taken */ output = fopen(optarg, "w"); if (output == NULL) { fprintf(stderr, "%s: %s: Cannot open output file.\n", argv[0], optarg); exit(-2); } break; case 'a': printAll = TRUE; /* fall thru... */ case 'p': generateEPSF = FALSE; break; case 's': printAll = FALSE; break; case 'w': pageWidth = atof(optarg); break; case 'z': PSavoiddeadzone = FALSE; break; case '1': level2 = FALSE; ascii85 = FALSE; break; case '2': level2 = TRUE; ascii85 = TRUE; /* default to yes */ break; case '8': ascii85 = FALSE; break; case '?': usage(-1); } for (; argc - optind > 0; optind++) { TIFF* tif = TIFFOpen(filename = argv[optind], "r"); if (tif != NULL) { if (dirnum != -1 && !TIFFSetDirectory(tif, dirnum)) return (-1); else if (diroff != 0 && !TIFFSetSubDirectory(tif, diroff)) return (-1); np = TIFF2PS(output, tif, pageWidth, pageHeight); TIFFClose(tif); } } if (np) PSTail(output, np); else usage(-1); if (output != stdout) fclose(output); return (0); }
int main(int argc, char* argv[]) { uint16 defconfig = (uint16) -1; uint16 deffillorder = 0; uint32 deftilewidth = (uint32) -1; uint32 deftilelength = (uint32) -1; uint32 defrowsperstrip = (uint32) -1; uint32 diroff = 0; TIFF* in; TIFF* out; const char* mode = "w"; int c; extern int optind; extern char* optarg; while ((c = getopt(argc, argv, "c:f:l:o:p:r:w:e:g:4:aistd8")) != -1) switch (c) { case 'a': /* append to output */ mode = "a"; break; case '8': /* append to output */ mode = "w8"; break; case 'd': /* down cast 8bit to 4bit */ convert_8_to_4 = 1; break; case 'c': /* compression scheme */ if (!processCompressOptions(optarg)) usage(); break; case 'e': worldfile = optarg; break; case 'f': /* fill order */ if (streq(optarg, "lsb2msb")) deffillorder = FILLORDER_LSB2MSB; else if (streq(optarg, "msb2lsb")) deffillorder = FILLORDER_MSB2LSB; else usage(); break; case 'i': /* ignore errors */ ignore = TRUE; break; case 'g': /* GeoTIFF metadata file */ geofile = optarg; break; case '4': proj4_string = optarg; break; case 'l': /* tile length */ outtiled = TRUE; deftilelength = atoi(optarg); break; case 'o': /* initial directory offset */ diroff = strtoul(optarg, NULL, 0); break; case 'p': /* planar configuration */ if (streq(optarg, "separate")) defconfig = PLANARCONFIG_SEPARATE; else if (streq(optarg, "contig")) defconfig = PLANARCONFIG_CONTIG; else usage(); break; case 'r': /* rows/strip */ defrowsperstrip = atoi(optarg); break; case 's': /* generate stripped output */ outtiled = FALSE; break; case 't': /* generate tiled output */ outtiled = TRUE; break; case 'w': /* tile width */ outtiled = TRUE; deftilewidth = atoi(optarg); break; case '?': usage(); /*NOTREACHED*/ } if (argc - optind < 2) usage(); out = TIFFOpen(argv[argc-1], mode); if (out == NULL) return (-2); for (; optind < argc-1 ; optind++) { in = TIFFOpen(argv[optind], "r"); if (in == NULL) return (-3); if (diroff != 0 && !TIFFSetSubDirectory(in, diroff)) { TIFFError(TIFFFileName(in), "Error, setting subdirectory at %#x", diroff); (void) TIFFClose(out); return (1); } do { config = defconfig; compression = defcompression; predictor = defpredictor; fillorder = deffillorder; rowsperstrip = defrowsperstrip; tilewidth = deftilewidth; tilelength = deftilelength; g3opts = defg3opts; if (!tiffcp(in, out) || !TIFFWriteDirectory(out)) { (void) TIFFClose(out); return (1); } } while (TIFFReadDirectory(in)); (void) TIFFClose(in); } (void) TIFFClose(out); return (0); }
int ImagingLibTiffDecode(Imaging im, ImagingCodecState state, UINT8* buffer, Py_ssize_t bytes) { TIFFSTATE *clientstate = (TIFFSTATE *)state->context; char *filename = "tempfile.tif"; char *mode = "r"; TIFF *tiff; /* buffer is the encoded file, bytes is the length of the encoded file */ /* it all ends up in state->buffer, which is a uint8* from Imaging.h */ TRACE(("in decoder: bytes %d\n", bytes)); TRACE(("State: count %d, state %d, x %d, y %d, ystep %d\n", state->count, state->state, state->x, state->y, state->ystep)); TRACE(("State: xsize %d, ysize %d, xoff %d, yoff %d \n", state->xsize, state->ysize, state->xoff, state->yoff)); TRACE(("State: bits %d, bytes %d \n", state->bits, state->bytes)); TRACE(("Buffer: %p: %c%c%c%c\n", buffer, (char)buffer[0], (char)buffer[1],(char)buffer[2], (char)buffer[3])); TRACE(("State->Buffer: %c%c%c%c\n", (char)state->buffer[0], (char)state->buffer[1],(char)state->buffer[2], (char)state->buffer[3])); TRACE(("Image: mode %s, type %d, bands: %d, xsize %d, ysize %d \n", im->mode, im->type, im->bands, im->xsize, im->ysize)); TRACE(("Image: image8 %p, image32 %p, image %p, block %p \n", im->image8, im->image32, im->image, im->block)); TRACE(("Image: pixelsize: %d, linesize %d \n", im->pixelsize, im->linesize)); dump_state(clientstate); clientstate->size = bytes; clientstate->eof = clientstate->size; clientstate->loc = 0; clientstate->data = (tdata_t)buffer; clientstate->flrealloc = 0; dump_state(clientstate); TIFFSetWarningHandler(NULL); TIFFSetWarningHandlerExt(NULL); if (clientstate->fp) { TRACE(("Opening using fd: %d\n",clientstate->fp)); lseek(clientstate->fp,0,SEEK_SET); // Sometimes, I get it set to the end. tiff = TIFFFdOpen(clientstate->fp, filename, mode); } else { TRACE(("Opening from string\n")); tiff = TIFFClientOpen(filename, mode, (thandle_t) clientstate, _tiffReadProc, _tiffWriteProc, _tiffSeekProc, _tiffCloseProc, _tiffSizeProc, _tiffMapProc, _tiffUnmapProc); } if (!tiff){ TRACE(("Error, didn't get the tiff\n")); state->errcode = IMAGING_CODEC_BROKEN; return -1; } if (clientstate->ifd){ int rv; uint32 ifdoffset = clientstate->ifd; TRACE(("reading tiff ifd %u\n", ifdoffset)); rv = TIFFSetSubDirectory(tiff, ifdoffset); if (!rv){ TRACE(("error in TIFFSetSubDirectory")); return -1; } } if (TIFFIsTiled(tiff)) { UINT32 x, y, tile_y, row_byte_size; UINT32 tile_width, tile_length, current_tile_width; UINT8 *new_data; TIFFGetField(tiff, TIFFTAG_TILEWIDTH, &tile_width); TIFFGetField(tiff, TIFFTAG_TILELENGTH, &tile_length); // We could use TIFFTileSize, but for YCbCr data it returns subsampled data size row_byte_size = (tile_width * state->bits + 7) / 8; state->bytes = row_byte_size * tile_length; /* overflow check for malloc */ if (state->bytes > INT_MAX - 1) { state->errcode = IMAGING_CODEC_MEMORY; TIFFClose(tiff); return -1; } /* realloc to fit whole tile */ new_data = realloc (state->buffer, state->bytes); if (!new_data) { state->errcode = IMAGING_CODEC_MEMORY; TIFFClose(tiff); return -1; } state->buffer = new_data; TRACE(("TIFFTileSize: %d\n", state->bytes)); for (y = state->yoff; y < state->ysize; y += tile_length) { for (x = state->xoff; x < state->xsize; x += tile_width) { if (ReadTile(tiff, x, y, (UINT32*) state->buffer) == -1) { TRACE(("Decode Error, Tile at %dx%d\n", x, y)); state->errcode = IMAGING_CODEC_BROKEN; TIFFClose(tiff); return -1; } TRACE(("Read tile at %dx%d; \n\n", x, y)); current_tile_width = min(tile_width, state->xsize - x); // iterate over each line in the tile and stuff data into image for (tile_y = 0; tile_y < min(tile_length, state->ysize - y); tile_y++) { TRACE(("Writing tile data at %dx%d using tile_width: %d; \n", tile_y + y, x, current_tile_width)); // UINT8 * bbb = state->buffer + tile_y * row_byte_size; // TRACE(("chars: %x%x%x%x\n", ((UINT8 *)bbb)[0], ((UINT8 *)bbb)[1], ((UINT8 *)bbb)[2], ((UINT8 *)bbb)[3])); state->shuffle((UINT8*) im->image[tile_y + y] + x * im->pixelsize, state->buffer + tile_y * row_byte_size, current_tile_width ); } } } } else { UINT32 strip_row, row_byte_size; UINT8 *new_data; UINT32 rows_per_strip; TIFFGetField(tiff, TIFFTAG_ROWSPERSTRIP, &rows_per_strip); TRACE(("RowsPerStrip: %u \n", rows_per_strip)); // We could use TIFFStripSize, but for YCbCr data it returns subsampled data size row_byte_size = (state->xsize * state->bits + 7) / 8; state->bytes = rows_per_strip * row_byte_size; TRACE(("StripSize: %d \n", state->bytes)); /* realloc to fit whole strip */ new_data = realloc (state->buffer, state->bytes); if (!new_data) { state->errcode = IMAGING_CODEC_MEMORY; TIFFClose(tiff); return -1; } state->buffer = new_data; for (; state->y < state->ysize; state->y += rows_per_strip) { if (ReadStrip(tiff, state->y, (UINT32 *)state->buffer) == -1) { TRACE(("Decode Error, strip %d\n", TIFFComputeStrip(tiff, state->y, 0))); state->errcode = IMAGING_CODEC_BROKEN; TIFFClose(tiff); return -1; } TRACE(("Decoded strip for row %d \n", state->y)); // iterate over each row in the strip and stuff data into image for (strip_row = 0; strip_row < min(rows_per_strip, state->ysize - state->y); strip_row++) { TRACE(("Writing data into line %d ; \n", state->y + strip_row)); // UINT8 * bbb = state->buffer + strip_row * (state->bytes / rows_per_strip); // TRACE(("chars: %x %x %x %x\n", ((UINT8 *)bbb)[0], ((UINT8 *)bbb)[1], ((UINT8 *)bbb)[2], ((UINT8 *)bbb)[3])); state->shuffle((UINT8*) im->image[state->y + state->yoff + strip_row] + state->xoff * im->pixelsize, state->buffer + strip_row * row_byte_size, state->xsize); } } } TIFFClose(tiff); TRACE(("Done Decoding, Returning \n")); // Returning -1 here to force ImageFile.load to break, rather than // even think about looping back around. return -1; }