diff options
Diffstat (limited to 'tiff/contrib/addtiffo')
| -rwxr-xr-x | tiff/contrib/addtiffo/Makefile.am | 36 | ||||
| -rwxr-xr-x | tiff/contrib/addtiffo/Makefile.in | 647 | ||||
| -rwxr-xr-x | tiff/contrib/addtiffo/Makefile.vc | 28 | ||||
| -rwxr-xr-x | tiff/contrib/addtiffo/README | 142 | ||||
| -rwxr-xr-x | tiff/contrib/addtiffo/addtiffo.c | 176 | ||||
| -rwxr-xr-x | tiff/contrib/addtiffo/tif_overview.c | 899 | ||||
| -rwxr-xr-x | tiff/contrib/addtiffo/tif_ovrcache.c | 341 | ||||
| -rwxr-xr-x | tiff/contrib/addtiffo/tif_ovrcache.h | 103 |
8 files changed, 0 insertions, 2372 deletions
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It doesn't need a full libtiff tree. -# -!INCLUDE ..\..\nmake.opt - -LIBTIFF_DIR = ..\..\libtiff -# -INCL = -I..\..\libtiff -LIBS = $(LIBTIFF_DIR)\libtiff.lib - -addtiffo: addtiffo.obj tif_overview.obj tif_ovrcache.obj - $(CC) $(CFLAGS) addtiffo.obj tif_overview.obj tif_ovrcache.obj \ - $(LIBS) /Feaddtiffo.exe - - -addtiffo.obj: addtiffo.c - $(CC) -c $(CFLAGS) addtiffo.c - -tif_overview.obj: tif_overview.c - $(CC) -c $(CFLAGS) tif_overview.c - -tif_ovrcache.obj: tif_ovrcache.c - $(CC) -c $(CFLAGS) tif_ovrcache.c - -clean: - -del *.obj - -del addtiffo.exe diff --git a/tiff/contrib/addtiffo/README b/tiff/contrib/addtiffo/README deleted file mode 100755 index a6ca45f..0000000 --- a/tiff/contrib/addtiffo/README +++ /dev/null @@ -1,142 +0,0 @@ - addtiffo 1.0 - ============ - -The addtiffo utility is used to add overview pyramids to an existing -TIFF or GeoTIFF file. Some applications can take advantage of these -overviews to accelerate overview display performance of large rasters. - -This release of addtiffo is primarily intended for compatibility testing -with applications, and to see if there is interest in a cleaner release -of the capability ... perhaps incorporation into the libtiff tools -distribution. - -Please feel free to contact me with questions, or problems. - -warmerda@home.com -http://home.gdal.org/~warmerda/ - - -Usage ------ - -Usage: addtiffo [-r {average/nearest} [-subifd] - tiff_filename [resolution_reductions] - -Example: - % addtiffo abc.tif 2 4 8 16 - -The numeric arguments are the list of reduction factors to -generate. In this example a 1/2, 1/4 1/8 and 1/16 - - - -Limitations ------------ - -See tif_overview.cpp for up to date details. - - o Currently only images with bits_per_sample of a multiple of eight - will work. - - o The code will attempt to use the same kind of compression, - photometric interpretation, and organization as the source image, but - it doesn't copy geotiff tags to the reduced resolution images. - - o Reduced resolution overviews for multi-sample files will currently - always be generated as PLANARCONFIG_SEPARATE. This could be fixed - reasonable easily if needed to improve compatibility with other - packages. Many don't properly support PLANARCONFIG_SEPARATE. - - o Overviews are always written as appended IFDs, rather than using the - ``tree of tree's'' approach using the SUBIFD tag. I wanted to implement - both, but it isn't currently easy to add a SUBIFD tag to an existing - main tiff IFD with libtiff. I hope to try this again later. - - -TIFF File Tags --------------- - -The results of running addtiffo on a 1024x1024 tiled greyscale file -with the arguments ``2 4 8 16'' is to add four additional TIFF directories -appended on the file with the SUBFILETYPE flag to 0x1 indicating the extra -items are reduced resolution images. - -The tiffinfo output of such a file might look like this: - -TIFF Directory at offset 0x118008 - Image Width: 1024 Image Length: 1024 - Tile Width: 256 Tile Length: 112 - Bits/Sample: 8 - Compression Scheme: none - Photometric Interpretation: min-is-black - Samples/Pixel: 1 - Planar Configuration: single image plane -TIFF Directory at offset 0x15e1d2 - Subfile Type: reduced-resolution image (1 = 0x1) - Image Width: 512 Image Length: 512 - Tile Width: 256 Tile Length: 112 - Bits/Sample: 8 - Compression Scheme: none - Photometric Interpretation: min-is-black - Samples/Pixel: 1 - Planar Configuration: separate image planes -TIFF Directory at offset 0x1732b8 - Subfile Type: reduced-resolution image (1 = 0x1) - Image Width: 256 Image Length: 256 - Tile Width: 256 Tile Length: 112 - Bits/Sample: 8 - Compression Scheme: none - Photometric Interpretation: min-is-black - Samples/Pixel: 1 - Planar Configuration: separate image planes -TIFF Directory at offset 0x17a366 - Subfile Type: reduced-resolution image (1 = 0x1) - Image Width: 128 Image Length: 128 - Tile Width: 128 Tile Length: 112 - Bits/Sample: 8 - Compression Scheme: none - Photometric Interpretation: min-is-black - Samples/Pixel: 1 - Planar Configuration: separate image planes -TIFF Directory at offset 0x17b40c - Subfile Type: reduced-resolution image (1 = 0x1) - Image Width: 64 Image Length: 64 - Tile Width: 64 Tile Length: 64 - Bits/Sample: 8 - Compression Scheme: none - Photometric Interpretation: min-is-black - Samples/Pixel: 1 - Planar Configuration: separate image planes - - -Building --------- - -You will need a C compiler. You will need to have libtiff already -built and installed. The provided Makefile should work on most Unix systems. -A similar file will be needed for Windows, but is not provided. - -The CFLAGS and LIBS macros in the Makefile will have to be updated to -point to the correct location of the libtiff include files, and library. - - -Credits -------- - - o Intergraph Corporation for partially funding the work. - - o Global Geomatics for partially funding reorganization of the overview - building ability as a separate utility. - - o Orrin Long, and Ed Grissom of Intergraph for explaining what needed to - be done. - - o Max Martinez of Erdas for his discussion of external overviews. - - o Atlantis Scientific who supported adding averaging, and some other - generalizations. - - o Frank Warmerdam for writing the bulk of the code. - - o Sam Leffler since this only exists because of his libtiff. - diff --git a/tiff/contrib/addtiffo/addtiffo.c b/tiff/contrib/addtiffo/addtiffo.c deleted file mode 100755 index d3920e2..0000000 --- a/tiff/contrib/addtiffo/addtiffo.c +++ /dev/null @@ -1,176 +0,0 @@ -/****************************************************************************** - * $Id: addtiffo.c,v 1.7 2010-06-08 18:55:15 bfriesen Exp $ - * - * Project: GeoTIFF Overview Builder - * Purpose: Mainline for building overviews in a TIFF file. - * Author: Frank Warmerdam, warmerdam@pobox.com - * - ****************************************************************************** - * Copyright (c) 1999, Frank Warmerdam - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - ****************************************************************************** - * - * $Log: addtiffo.c,v $ - * Revision 1.7 2010-06-08 18:55:15 bfriesen - * * contrib: Add an emacs formatting mode footer to all source files - * so that emacs can be effectively used. - * - * Revision 1.6 2005/12/16 05:59:55 fwarmerdam - * Major upgrade to support YCbCr subsampled jpeg images - * - * Revision 1.4 2004/09/21 13:31:23 dron - * Add missed include string.h. - * - * Revision 1.3 2000/04/18 22:48:31 warmerda - * Added support for averaging resampling - * - * Revision 1.2 2000/01/28 15:36:38 warmerda - * pass TIFF handle instead of filename to overview builder - * - * Revision 1.1 1999/08/17 01:47:59 warmerda - * New - * - * Revision 1.1 1999/03/12 17:46:32 warmerda - * New - * - * Revision 1.2 1999/02/11 22:27:12 warmerda - * Added multi-sample support - * - * Revision 1.1 1999/02/11 18:12:30 warmerda - * New - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "tiffio.h" - -void TIFFBuildOverviews( TIFF *, int, int *, int, const char *, - int (*)(double,void*), void * ); - -/************************************************************************/ -/* main() */ -/************************************************************************/ - -int main( int argc, char ** argv ) - -{ - int anOverviews[100]; /* TODO: un-hardwire array length, flexible allocate */ - int nOverviewCount = 0; - int bUseSubIFD = 0; - TIFF *hTIFF; - const char *pszResampling = "nearest"; - -/* -------------------------------------------------------------------- */ -/* Usage: */ -/* -------------------------------------------------------------------- */ - if( argc < 2 ) - { - printf( "Usage: addtiffo [-r {nearest,average,mode}]\n" - " tiff_filename [resolution_reductions]\n" - "\n" - "Example:\n" - " %% addtiffo abc.tif 2 4 8 16\n" ); - return( 1 ); - } - - while( argv[1][0] == '-' ) - { - if( strcmp(argv[1],"-subifd") == 0 ) - { - bUseSubIFD = 1; - argv++; - argc--; - } - else if( strcmp(argv[1],"-r") == 0 ) - { - argv += 2; - argc -= 2; - pszResampling = *argv; - } - else - { - fprintf( stderr, "Incorrect parameters\n" ); - return( 1 ); - } - } - - /* TODO: resampling mode parameter needs to be encoded in an integer from this point on */ - -/* -------------------------------------------------------------------- */ -/* Collect the user requested reduction factors. */ -/* -------------------------------------------------------------------- */ - while( nOverviewCount < argc - 2 && nOverviewCount < 100 ) - { - anOverviews[nOverviewCount] = atoi(argv[nOverviewCount+2]); - if( anOverviews[nOverviewCount] <= 0) - { - fprintf( stderr, "Incorrect parameters\n" ); - return(1); - } - nOverviewCount++; - } - -/* -------------------------------------------------------------------- */ -/* Default to four overview levels. It would be nicer if it */ -/* defaulted based on the size of the source image. */ -/* -------------------------------------------------------------------- */ - /* TODO: make it default based on the size of the source image */ - if( nOverviewCount == 0 ) - { - nOverviewCount = 4; - - anOverviews[0] = 2; - anOverviews[1] = 4; - anOverviews[2] = 8; - anOverviews[3] = 16; - } - -/* -------------------------------------------------------------------- */ -/* Build the overview. */ -/* -------------------------------------------------------------------- */ - hTIFF = TIFFOpen( argv[1], "r+" ); - if( hTIFF == NULL ) - { - fprintf( stderr, "TIFFOpen(%s) failed.\n", argv[1] ); - return( 1 ); - } - - TIFFBuildOverviews( hTIFF, nOverviewCount, anOverviews, bUseSubIFD, - pszResampling, NULL, NULL ); - - TIFFClose( hTIFF ); - -/* -------------------------------------------------------------------- */ -/* Optionally test for memory leaks. */ -/* -------------------------------------------------------------------- */ -#ifdef DBMALLOC - malloc_dump(1); -#endif - - return( 0 ); -} -/* - * Local Variables: - * mode: c - * c-basic-offset: 8 - * fill-column: 78 - * End: - */ diff --git a/tiff/contrib/addtiffo/tif_overview.c b/tiff/contrib/addtiffo/tif_overview.c deleted file mode 100755 index 156c081..0000000 --- a/tiff/contrib/addtiffo/tif_overview.c +++ /dev/null @@ -1,899 +0,0 @@ -/****************************************************************************** - * tif_overview.c,v 1.9 2005/05/25 09:03:16 dron Exp - * - * Project: TIFF Overview Builder - * Purpose: Library function for building overviews in a TIFF file. - * Author: Frank Warmerdam, warmerdam@pobox.com - * - * Notes: - * o Currently only images with bits_per_sample of a multiple of eight - * will work. - * - * o The downsampler currently just takes the top left pixel from the - * source rectangle. Eventually sampling options of averaging, mode, and - * ``center pixel'' should be offered. - * - * o The code will attempt to use the same kind of compression, - * photometric interpretation, and organization as the source image, but - * it doesn't copy geotiff tags to the reduced resolution images. - * - * o Reduced resolution overviews for multi-sample files will currently - * always be generated as PLANARCONFIG_SEPARATE. This could be fixed - * reasonable easily if needed to improve compatibility with other - * packages. Many don't properly support PLANARCONFIG_SEPARATE. - * - ****************************************************************************** - * Copyright (c) 1999, Frank Warmerdam - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - ****************************************************************************** - */ - -/* TODO: update notes in header above */ - -#include <stdio.h> -#include <assert.h> -#include <stdlib.h> -#include <string.h> - -#include "tiffio.h" -#include "tif_ovrcache.h" - -#ifndef FALSE -# define FALSE 0 -# define TRUE 1 -#endif - -#ifndef MAX -# define MIN(a,b) ((a<b) ? a : b) -# define MAX(a,b) ((a>b) ? a : b) -#endif - -void TIFFBuildOverviews( TIFF *, int, int *, int, const char *, - int (*)(double,void*), void * ); - -/************************************************************************/ -/* TIFF_WriteOverview() */ -/* */ -/* Create a new directory, without any image data for an overview. */ -/* Returns offset of newly created overview directory, but the */ -/* current directory is reset to be the one in used when this */ -/* function is called. */ -/************************************************************************/ - -uint32 TIFF_WriteOverview( TIFF *hTIFF, uint32 nXSize, uint32 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 ) - -{ - toff_t nBaseDirOffset; - toff_t nOffset; - - (void) bUseSubIFDs; - - 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; -} - -/************************************************************************/ -/* TIFF_GetSourceSamples() */ -/************************************************************************/ - -static void -TIFF_GetSourceSamples( double * padfSamples, unsigned char *pabySrc, - int nPixelBytes, int nSampleFormat, - uint32 nXSize, uint32 nYSize, - int nPixelOffset, int nLineOffset ) -{ - uint32 iXOff, iYOff; - int iSample; - - iSample = 0; - - for( iYOff = 0; iYOff < nYSize; iYOff++ ) - { - for( iXOff = 0; iXOff < nXSize; iXOff++ ) - { - unsigned char *pabyData; - - pabyData = pabySrc + iYOff * nLineOffset + iXOff * nPixelOffset; - - if( nSampleFormat == SAMPLEFORMAT_UINT && nPixelBytes == 1 ) - { - padfSamples[iSample++] = *pabyData; - } - else if( nSampleFormat == SAMPLEFORMAT_UINT && nPixelBytes == 2 ) - { - padfSamples[iSample++] = ((uint16 *) pabyData)[0]; - } - else if( nSampleFormat == SAMPLEFORMAT_UINT && nPixelBytes == 4 ) - { - padfSamples[iSample++] = ((uint32 *) pabyData)[0]; - } - else if( nSampleFormat == SAMPLEFORMAT_INT && nPixelBytes == 2 ) - { - padfSamples[iSample++] = ((int16 *) pabyData)[0]; - } - else if( nSampleFormat == SAMPLEFORMAT_INT && nPixelBytes == 32 ) - { - padfSamples[iSample++] = ((int32 *) pabyData)[0]; - } - else if( nSampleFormat == SAMPLEFORMAT_IEEEFP && nPixelBytes == 4 ) - { - padfSamples[iSample++] = ((float *) pabyData)[0]; - } - else if( nSampleFormat == SAMPLEFORMAT_IEEEFP && nPixelBytes == 8 ) - { - padfSamples[iSample++] = ((double *) pabyData)[0]; - } - } - } -} - -/************************************************************************/ -/* TIFF_SetSample() */ -/************************************************************************/ - -static void -TIFF_SetSample( unsigned char * pabyData, int nPixelBytes, int nSampleFormat, - double dfValue ) - -{ - if( nSampleFormat == SAMPLEFORMAT_UINT && nPixelBytes == 1 ) - { - *pabyData = (unsigned char) MAX(0,MIN(255,dfValue)); - } - else if( nSampleFormat == SAMPLEFORMAT_UINT && nPixelBytes == 2 ) - { - *((uint16 *)pabyData) = (uint16) MAX(0,MIN(65535,dfValue)); - } - else if( nSampleFormat == SAMPLEFORMAT_UINT && nPixelBytes == 4 ) - { - *((uint32 *)pabyData) = (uint32) dfValue; - } - else if( nSampleFormat == SAMPLEFORMAT_INT && nPixelBytes == 2 ) - { - *((int16 *)pabyData) = (int16) MAX(-32768,MIN(32767,dfValue)); - } - else if( nSampleFormat == SAMPLEFORMAT_INT && nPixelBytes == 32 ) - { - *((int32 *)pabyData) = (int32) dfValue; - } - else if( nSampleFormat == SAMPLEFORMAT_IEEEFP && nPixelBytes == 4 ) - { - *((float *)pabyData) = (float) dfValue; - } - else if( nSampleFormat == SAMPLEFORMAT_IEEEFP && nPixelBytes == 8 ) - { - *((double *)pabyData) = dfValue; - } -} - -/************************************************************************/ -/* TIFF_DownSample() */ -/* */ -/* Down sample a tile of full res data into a window of a tile */ -/* of downsampled data. */ -/************************************************************************/ - -static -void TIFF_DownSample( unsigned char *pabySrcTile, - uint32 nBlockXSize, uint32 nBlockYSize, - int nPixelSkewBits, int nBitsPerPixel, - unsigned char * pabyOTile, - uint32 nOBlockXSize, uint32 nOBlockYSize, - uint32 nTXOff, uint32 nTYOff, int nOMult, - int nSampleFormat, const char * pszResampling ) - -{ - uint32 i, j; - int k, nPixelBytes = (nBitsPerPixel) / 8; - int nPixelGroupBytes = (nBitsPerPixel+nPixelSkewBits)/8; - unsigned char *pabySrc, *pabyDst; - double *padfSamples; - - assert( nBitsPerPixel >= 8 ); - - padfSamples = (double *) malloc(sizeof(double) * nOMult * nOMult); - -/* ==================================================================== */ -/* Loop over scanline chunks to process, establishing where the */ -/* data is going. */ -/* ==================================================================== */ - for( j = 0; j*nOMult < nBlockYSize; j++ ) - { - if( j + nTYOff >= nOBlockYSize ) - break; - - pabyDst = pabyOTile + ((j+nTYOff)*nOBlockXSize + nTXOff) - * nPixelBytes * nPixelGroupBytes; - -/* -------------------------------------------------------------------- */ -/* Handler nearest resampling ... we don't even care about the */ -/* data type, we just do a bytewise copy. */ -/* -------------------------------------------------------------------- */ - if( strncmp(pszResampling,"nearest",4) == 0 - || strncmp(pszResampling,"NEAR",4) == 0 ) - { - pabySrc = pabySrcTile + j*nOMult*nBlockXSize * nPixelGroupBytes; - - for( i = 0; i*nOMult < nBlockXSize; i++ ) - { - if( i + nTXOff >= nOBlockXSize ) - break; - - /* - * For now use simple subsampling, from the top left corner - * of the source block of pixels. - */ - - for( k = 0; k < nPixelBytes; k++ ) - pabyDst[k] = pabySrc[k]; - - pabyDst += nPixelBytes * nPixelGroupBytes; - pabySrc += nOMult * nPixelGroupBytes; - } - } - -/* -------------------------------------------------------------------- */ -/* Handle the case of averaging. For this we also have to */ -/* handle each sample format we are concerned with. */ -/* -------------------------------------------------------------------- */ - else if( strncmp(pszResampling,"averag",6) == 0 - || strncmp(pszResampling,"AVERAG",6) == 0 ) - { - pabySrc = pabySrcTile + j*nOMult*nBlockXSize * nPixelGroupBytes; - - for( i = 0; i*nOMult < nBlockXSize; i++ ) - { - double dfTotal; - uint32 nXSize, nYSize, iSample; - - if( i + nTXOff >= nOBlockXSize ) - break; - - nXSize = MIN((uint32)nOMult,nBlockXSize-i); - nYSize = MIN((uint32)nOMult,nBlockYSize-j); - - TIFF_GetSourceSamples( padfSamples, pabySrc, - nPixelBytes, nSampleFormat, - nXSize, nYSize, - nPixelGroupBytes, - nPixelGroupBytes * nBlockXSize ); - - dfTotal = 0; - for( iSample = 0; iSample < nXSize*nYSize; iSample++ ) - { - dfTotal += padfSamples[iSample]; - } - - TIFF_SetSample( pabyDst, nPixelBytes, nSampleFormat, - dfTotal / (nXSize*nYSize) ); - - pabySrc += nOMult * nPixelGroupBytes; - pabyDst += nPixelBytes; - } - } - } - - free( padfSamples ); -} - -/************************************************************************/ -/* TIFF_DownSample_Subsampled() */ -/************************************************************************/ -static -void TIFF_DownSample_Subsampled( unsigned char *pabySrcTile, int nSample, - uint32 nBlockXSize, uint32 nBlockYSize, - unsigned char * pabyOTile, - uint32 nOBlockXSize, uint32 nOBlockYSize, - uint32 nTXOff, uint32 nTYOff, int nOMult, - const char *pszResampling, - int nHorSubsampling, int nVerSubsampling ) -{ - /* TODO: test with variety of subsampling values, and incovinient tile/strip sizes */ - int nSampleBlockSize; - int nSourceSampleRowSize; - int nDestSampleRowSize; - uint32 nSourceX, nSourceY; - uint32 nSourceXSec, nSourceYSec; - uint32 nSourceXSecEnd, nSourceYSecEnd; - uint32 nDestX, nDestY; - int nSampleOffsetInSampleBlock; - unsigned int nCummulator; - unsigned int nCummulatorCount; - - nSampleBlockSize = nHorSubsampling * nVerSubsampling + 2; - nSourceSampleRowSize = - ( ( nBlockXSize + nHorSubsampling - 1 ) / nHorSubsampling ) * nSampleBlockSize; - nDestSampleRowSize = - ( ( nOBlockXSize + nHorSubsampling - 1 ) / nHorSubsampling ) * nSampleBlockSize; - - if( strncmp(pszResampling,"nearest",4) == 0 - || strncmp(pszResampling,"NEAR",4) == 0 ) - { - if( nSample == 0 ) - { - for( nSourceY = 0, nDestY = nTYOff; - nSourceY < nBlockYSize; - nSourceY += nOMult, nDestY ++) - { - if( nDestY >= nOBlockYSize ) - break; - - for( nSourceX = 0, nDestX = nTXOff; - nSourceX < nBlockXSize; - nSourceX += nOMult, nDestX ++) - { - if( nDestX >= nOBlockXSize ) - break; - - * ( pabyOTile + ( nDestY / nVerSubsampling ) * nDestSampleRowSize - + ( nDestY % nVerSubsampling ) * nHorSubsampling - + ( nDestX / nHorSubsampling ) * nSampleBlockSize - + ( nDestX % nHorSubsampling ) ) = - * ( pabySrcTile + ( nSourceY / nVerSubsampling ) * nSourceSampleRowSize - + ( nSourceY % nVerSubsampling ) * nHorSubsampling - + ( nSourceX / nHorSubsampling ) * nSampleBlockSize - + ( nSourceX % nHorSubsampling ) ); - } - } - } - else - { - nSampleOffsetInSampleBlock = nHorSubsampling * nVerSubsampling + nSample - 1; - for( nSourceY = 0, nDestY = ( nTYOff / nVerSubsampling ); - nSourceY < ( nBlockYSize / nVerSubsampling ); - nSourceY += nOMult, nDestY ++) - { - if( nDestY*nVerSubsampling >= nOBlockYSize ) - break; - - for( nSourceX = 0, nDestX = ( nTXOff / nHorSubsampling ); - nSourceX < ( nBlockXSize / nHorSubsampling ); - nSourceX += nOMult, nDestX ++) - { - if( nDestX*nHorSubsampling >= nOBlockXSize ) - break; - - * ( pabyOTile + nDestY * nDestSampleRowSize - + nDestX * nSampleBlockSize - + nSampleOffsetInSampleBlock ) = - * ( pabySrcTile + nSourceY * nSourceSampleRowSize - + nSourceX * nSampleBlockSize - + nSampleOffsetInSampleBlock ); - } - } - } - } - else if( strncmp(pszResampling,"averag",6) == 0 - || strncmp(pszResampling,"AVERAG",6) == 0 ) - { - if( nSample == 0 ) - { - for( nSourceY = 0, nDestY = nTYOff; nSourceY < nBlockYSize; nSourceY += nOMult, nDestY ++) - { - if( nDestY >= nOBlockYSize ) - break; - - for( nSourceX = 0, nDestX = nTXOff; nSourceX < nBlockXSize; nSourceX += nOMult, nDestX ++) - { - if( nDestX >= nOBlockXSize ) - break; - - nSourceXSecEnd = nSourceX + nOMult; - if( nSourceXSecEnd > nBlockXSize ) - nSourceXSecEnd = nBlockXSize; - nSourceYSecEnd = nSourceY + nOMult; - if( nSourceYSecEnd > nBlockYSize ) - nSourceYSecEnd = nBlockYSize; - nCummulator = 0; - for( nSourceYSec = nSourceY; nSourceYSec < nSourceYSecEnd; nSourceYSec ++) - { - for( nSourceXSec = nSourceX; nSourceXSec < nSourceXSecEnd; nSourceXSec ++) - { - nCummulator += * ( pabySrcTile + ( nSourceYSec / nVerSubsampling ) * nSourceSampleRowSize - + ( nSourceYSec % nVerSubsampling ) * nHorSubsampling - + ( nSourceXSec / nHorSubsampling ) * nSampleBlockSize - + ( nSourceXSec % nHorSubsampling ) ); - } - } - nCummulatorCount = ( nSourceXSecEnd - nSourceX ) * ( nSourceYSecEnd - nSourceY ); - * ( pabyOTile + ( nDestY / nVerSubsampling ) * nDestSampleRowSize - + ( nDestY % nVerSubsampling ) * nHorSubsampling - + ( nDestX / nHorSubsampling ) * nSampleBlockSize - + ( nDestX % nHorSubsampling ) ) = - ( ( nCummulator + ( nCummulatorCount >> 1 ) ) / nCummulatorCount ); - } - } - } - else - { - nSampleOffsetInSampleBlock = nHorSubsampling * nVerSubsampling + nSample - 1; - for( nSourceY = 0, nDestY = ( nTYOff / nVerSubsampling ); nSourceY < ( nBlockYSize / nVerSubsampling ); - nSourceY += nOMult, nDestY ++) - { - if( nDestY*nVerSubsampling >= nOBlockYSize ) - break; - - for( nSourceX = 0, nDestX = ( nTXOff / nHorSubsampling ); nSourceX < ( nBlockXSize / nHorSubsampling ); - nSourceX += nOMult, nDestX ++) - { - if( nDestX*nHorSubsampling >= nOBlockXSize ) - break; - - nSourceXSecEnd = nSourceX + nOMult; - if( nSourceXSecEnd > ( nBlockXSize / nHorSubsampling ) ) - nSourceXSecEnd = ( nBlockXSize / nHorSubsampling ); - nSourceYSecEnd = nSourceY + nOMult; - if( nSourceYSecEnd > ( nBlockYSize / nVerSubsampling ) ) - nSourceYSecEnd = ( nBlockYSize / nVerSubsampling ); - nCummulator = 0; - for( nSourceYSec = nSourceY; nSourceYSec < nSourceYSecEnd; nSourceYSec ++) - { - for( nSourceXSec = nSourceX; nSourceXSec < nSourceXSecEnd; nSourceXSec ++) - { - nCummulator += * ( pabySrcTile + nSourceYSec * nSourceSampleRowSize - + nSourceXSec * nSampleBlockSize - + nSampleOffsetInSampleBlock ); - } - } - nCummulatorCount = ( nSourceXSecEnd - nSourceX ) * ( nSourceYSecEnd - nSourceY ); - * ( pabyOTile + nDestY * nDestSampleRowSize - + nDestX * nSampleBlockSize - + nSampleOffsetInSampleBlock ) = - ( ( nCummulator + ( nCummulatorCount >> 1 ) ) / nCummulatorCount ); - } - } - } - } -} - -/************************************************************************/ -/* TIFF_ProcessFullResBlock() */ -/* */ -/* Process one block of full res data, downsampling into each */ -/* of the overviews. */ -/************************************************************************/ - -void TIFF_ProcessFullResBlock( TIFF *hTIFF, int nPlanarConfig, - int bSubsampled, - int nHorSubsampling, int nVerSubsampling, - int nOverviews, int * panOvList, - int nBitsPerPixel, - int nSamples, TIFFOvrCache ** papoRawBIs, - uint32 nSXOff, uint32 nSYOff, - unsigned char *pabySrcTile, - uint32 nBlockXSize, uint32 nBlockYSize, - int nSampleFormat, const char * pszResampling ) - -{ - int iOverview, iSample; - - for( iSample = 0; iSample < nSamples; iSample++ ) - { - /* - * We have to read a tile/strip for each sample for - * PLANARCONFIG_SEPARATE. Otherwise, we just read all the samples - * at once when handling the first sample. - */ - if( nPlanarConfig == PLANARCONFIG_SEPARATE || iSample == 0 ) - { - if( TIFFIsTiled(hTIFF) ) - { - TIFFReadEncodedTile( hTIFF, - TIFFComputeTile(hTIFF, nSXOff, nSYOff, - 0, (tsample_t)iSample ), - pabySrcTile, - TIFFTileSize(hTIFF)); - } - else - { - TIFFReadEncodedStrip( hTIFF, - TIFFComputeStrip(hTIFF, nSYOff, - (tsample_t) iSample), - pabySrcTile, - TIFFStripSize(hTIFF) ); - } - } - - /* - * Loop over destination overview layers - */ - for( iOverview = 0; iOverview < nOverviews; iOverview++ ) - { - TIFFOvrCache *poRBI = papoRawBIs[iOverview]; - unsigned char *pabyOTile; - uint32 nTXOff, nTYOff, nOXOff, nOYOff, nOMult; - uint32 nOBlockXSize = poRBI->nBlockXSize; - uint32 nOBlockYSize = poRBI->nBlockYSize; - int nSkewBits, nSampleByteOffset; - - /* - * Fetch the destination overview tile - */ - nOMult = panOvList[iOverview]; - nOXOff = (nSXOff/nOMult) / nOBlockXSize; - nOYOff = (nSYOff/nOMult) / nOBlockYSize; - - if( bSubsampled ) - { - pabyOTile = TIFFGetOvrBlock_Subsampled( poRBI, nOXOff, nOYOff ); - - /* - * Establish the offset into this tile at which we should - * start placing data. - */ - nTXOff = (nSXOff - nOXOff*nOMult*nOBlockXSize) / nOMult; - nTYOff = (nSYOff - nOYOff*nOMult*nOBlockYSize) / nOMult; - - -#ifdef DBMALLOC - malloc_chain_check( 1 ); -#endif - TIFF_DownSample_Subsampled( pabySrcTile, iSample, - nBlockXSize, nBlockYSize, - pabyOTile, - poRBI->nBlockXSize, poRBI->nBlockYSize, - nTXOff, nTYOff, - nOMult, pszResampling, - nHorSubsampling, nVerSubsampling ); -#ifdef DBMALLOC - malloc_chain_check( 1 ); -#endif - - } - else - { - - pabyOTile = TIFFGetOvrBlock( poRBI, nOXOff, nOYOff, iSample ); - - /* - * Establish the offset into this tile at which we should - * start placing data. - */ - nTXOff = (nSXOff - nOXOff*nOMult*nOBlockXSize) / nOMult; - nTYOff = (nSYOff - nOYOff*nOMult*nOBlockYSize) / nOMult; - - /* - * Figure out the skew (extra space between ``our samples'') and - * the byte offset to the first sample. - */ - assert( (nBitsPerPixel % 8) == 0 ); - if( nPlanarConfig == PLANARCONFIG_SEPARATE ) - { - nSkewBits = 0; - nSampleByteOffset = 0; - } - else - { - nSkewBits = nBitsPerPixel * (nSamples-1); - nSampleByteOffset = (nBitsPerPixel/8) * iSample; - } - - /* - * Perform the downsampling. - */ -#ifdef DBMALLOC - malloc_chain_check( 1 ); -#endif - TIFF_DownSample( pabySrcTile + nSampleByteOffset, - nBlockXSize, nBlockYSize, - nSkewBits, nBitsPerPixel, pabyOTile, - poRBI->nBlockXSize, poRBI->nBlockYSize, - nTXOff, nTYOff, - nOMult, nSampleFormat, pszResampling ); -#ifdef DBMALLOC - malloc_chain_check( 1 ); -#endif - } - } - } -} - -/************************************************************************/ -/* TIFF_BuildOverviews() */ -/* */ -/* Build the requested list of overviews. Overviews are */ -/* maintained in a bunch of temporary files and then these are */ -/* written back to the TIFF file. Only one pass through the */ -/* source TIFF file is made for any number of output */ -/* overviews. */ -/************************************************************************/ - -void TIFFBuildOverviews( TIFF *hTIFF, int nOverviews, int * panOvList, - int bUseSubIFDs, const char *pszResampleMethod, - int (*pfnProgress)( double, void * ), - void * pProgressData ) - -{ - TIFFOvrCache **papoRawBIs; - uint32 nXSize, nYSize, nBlockXSize, nBlockYSize; - uint16 nBitsPerPixel, nPhotometric, nCompressFlag, nSamples, - nPlanarConfig, nSampleFormat; - int bSubsampled; - uint16 nHorSubsampling, nVerSubsampling; - int bTiled, nSXOff, nSYOff, i; - unsigned char *pabySrcTile; - uint16 *panRedMap, *panGreenMap, *panBlueMap; - TIFFErrorHandler pfnWarning; - - (void) pfnProgress; - (void) pProgressData; - -/* -------------------------------------------------------------------- */ -/* Get the base raster size. */ -/* -------------------------------------------------------------------- */ - TIFFGetField( hTIFF, TIFFTAG_IMAGEWIDTH, &nXSize ); - TIFFGetField( hTIFF, TIFFTAG_IMAGELENGTH, &nYSize ); - - TIFFGetField( hTIFF, TIFFTAG_BITSPERSAMPLE, &nBitsPerPixel ); - /* TODO: nBitsPerPixel seems misnomer and may need renaming to nBitsPerSample */ - TIFFGetField( hTIFF, TIFFTAG_SAMPLESPERPIXEL, &nSamples ); - TIFFGetFieldDefaulted( hTIFF, TIFFTAG_PLANARCONFIG, &nPlanarConfig ); - - TIFFGetFieldDefaulted( hTIFF, TIFFTAG_PHOTOMETRIC, &nPhotometric ); - TIFFGetFieldDefaulted( hTIFF, TIFFTAG_COMPRESSION, &nCompressFlag ); - TIFFGetFieldDefaulted( hTIFF, TIFFTAG_SAMPLEFORMAT, &nSampleFormat ); - - if( nPhotometric == PHOTOMETRIC_YCBCR || nPhotometric == PHOTOMETRIC_ITULAB ) - { - if( nBitsPerPixel != 8 || nSamples != 3 || nPlanarConfig != PLANARCONFIG_CONTIG || - nSampleFormat != SAMPLEFORMAT_UINT) - { - /* TODO: use of TIFFError is inconsistent with use of fprintf in addtiffo.c, sort out */ - TIFFErrorExt( TIFFClientdata(hTIFF), "TIFFBuildOverviews", - "File `%s' has an unsupported subsampling configuration.\n", - TIFFFileName(hTIFF) ); - /* If you need support for this particular flavor, please contact either - * Frank Warmerdam warmerdam@pobox.com - * Joris Van Damme info@awaresystems.be - */ - return; - } - bSubsampled = 1; - TIFFGetField( hTIFF, TIFFTAG_YCBCRSUBSAMPLING, &nHorSubsampling, &nVerSubsampling ); - /* TODO: find out if maybe TIFFGetFieldDefaulted is better choice for YCbCrSubsampling tag */ - } - else - { - if( nBitsPerPixel < 8 ) - { - /* TODO: use of TIFFError is inconsistent with use of fprintf in addtiffo.c, sort out */ - TIFFErrorExt( TIFFClientdata(hTIFF), "TIFFBuildOverviews", - "File `%s' has samples of %d bits per sample. Sample\n" - "sizes of less than 8 bits per sample are not supported.\n", - TIFFFileName(hTIFF), nBitsPerPixel ); - return; - } - bSubsampled = 0; - nHorSubsampling = 1; - nVerSubsampling = 1; - } - -/* -------------------------------------------------------------------- */ -/* Turn off warnings to avoid alot of repeated warnings while */ -/* rereading directories. */ -/* -------------------------------------------------------------------- */ - pfnWarning = TIFFSetWarningHandler( NULL ); - -/* -------------------------------------------------------------------- */ -/* Get the base raster block size. */ -/* -------------------------------------------------------------------- */ - if( TIFFGetField( hTIFF, TIFFTAG_ROWSPERSTRIP, &(nBlockYSize) ) ) - { - nBlockXSize = nXSize; - bTiled = FALSE; - } - else - { - TIFFGetField( hTIFF, TIFFTAG_TILEWIDTH, &nBlockXSize ); - TIFFGetField( hTIFF, TIFFTAG_TILELENGTH, &nBlockYSize ); - bTiled = TRUE; - } - -/* -------------------------------------------------------------------- */ -/* Capture the pallette if there is one. */ -/* -------------------------------------------------------------------- */ - if( TIFFGetField( hTIFF, TIFFTAG_COLORMAP, - &panRedMap, &panGreenMap, &panBlueMap ) ) - { - uint16 *panRed2, *panGreen2, *panBlue2; - int nColorCount = 1 << nBitsPerPixel; - - panRed2 = (uint16 *) _TIFFmalloc(2*nColorCount); - panGreen2 = (uint16 *) _TIFFmalloc(2*nColorCount); - panBlue2 = (uint16 *) _TIFFmalloc(2*nColorCount); - - memcpy( panRed2, panRedMap, 2 * nColorCount ); - memcpy( panGreen2, panGreenMap, 2 * nColorCount ); - memcpy( panBlue2, panBlueMap, 2 * nColorCount ); - - panRedMap = panRed2; - panGreenMap = panGreen2; - panBlueMap = panBlue2; - } - else - { - panRedMap = panGreenMap = panBlueMap = NULL; - } - -/* -------------------------------------------------------------------- */ -/* Initialize overviews. */ -/* -------------------------------------------------------------------- */ - papoRawBIs = (TIFFOvrCache **) _TIFFmalloc(nOverviews*sizeof(void*)); - - for( i = 0; i < nOverviews; i++ ) - { - uint32 nOXSize, nOYSize, nOBlockXSize, nOBlockYSize; - toff_t nDirOffset; - - nOXSize = (nXSize + panOvList[i] - 1) / panOvList[i]; - nOYSize = (nYSize + panOvList[i] - 1) / panOvList[i]; - - nOBlockXSize = MIN(nBlockXSize,nOXSize); - nOBlockYSize = MIN(nBlockYSize,nOYSize); - - if( bTiled ) - { - if( (nOBlockXSize % 16) != 0 ) - nOBlockXSize = nOBlockXSize + 16 - (nOBlockXSize % 16); - - if( (nOBlockYSize % 16) != 0 ) - nOBlockYSize = nOBlockYSize + 16 - (nOBlockYSize % 16); - } - - nDirOffset = TIFF_WriteOverview( hTIFF, nOXSize, nOYSize, - nBitsPerPixel, nPlanarConfig, - nSamples, nOBlockXSize, nOBlockYSize, - bTiled, nCompressFlag, nPhotometric, - nSampleFormat, - panRedMap, panGreenMap, panBlueMap, - bUseSubIFDs, - nHorSubsampling, nVerSubsampling ); - - papoRawBIs[i] = TIFFCreateOvrCache( hTIFF, nDirOffset ); - } - - if( panRedMap != NULL ) - { - _TIFFfree( panRedMap ); - _TIFFfree( panGreenMap ); - _TIFFfree( panBlueMap ); - } - -/* -------------------------------------------------------------------- */ -/* Allocate a buffer to hold a source block. */ -/* -------------------------------------------------------------------- */ - if( bTiled ) - pabySrcTile = (unsigned char *) _TIFFmalloc(TIFFTileSize(hTIFF)); - else - pabySrcTile = (unsigned char *) _TIFFmalloc(TIFFStripSize(hTIFF)); - -/* -------------------------------------------------------------------- */ -/* Loop over the source raster, applying data to the */ -/* destination raster. */ -/* -------------------------------------------------------------------- */ - for( nSYOff = 0; nSYOff < (int) nYSize; nSYOff += nBlockYSize ) - { - for( nSXOff = 0; nSXOff < (int) nXSize; nSXOff += nBlockXSize ) - { - /* - * Read and resample into the various overview images. - */ - - TIFF_ProcessFullResBlock( hTIFF, nPlanarConfig, - bSubsampled,nHorSubsampling,nVerSubsampling, - nOverviews, panOvList, - nBitsPerPixel, nSamples, papoRawBIs, - nSXOff, nSYOff, pabySrcTile, - nBlockXSize, nBlockYSize, - nSampleFormat, pszResampleMethod ); - } - } - - _TIFFfree( pabySrcTile ); - -/* -------------------------------------------------------------------- */ -/* Cleanup the rawblockedimage files. */ -/* -------------------------------------------------------------------- */ - for( i = 0; i < nOverviews; i++ ) - { - TIFFDestroyOvrCache( papoRawBIs[i] ); - } - - if( papoRawBIs != NULL ) - _TIFFfree( papoRawBIs ); - - TIFFSetWarningHandler( pfnWarning ); -} - - -/* - * Local Variables: - * mode: c - * c-basic-offset: 8 - * fill-column: 78 - * End: - */ diff --git a/tiff/contrib/addtiffo/tif_ovrcache.c b/tiff/contrib/addtiffo/tif_ovrcache.c deleted file mode 100755 index e19483b..0000000 --- a/tiff/contrib/addtiffo/tif_ovrcache.c +++ /dev/null @@ -1,341 +0,0 @@ -/****************************************************************************** - * $Id: tif_ovrcache.c,v 1.9 2010-06-08 18:55:15 bfriesen Exp $ - * - * Project: TIFF Overview Builder - * Purpose: Library functions to maintain two rows of tiles or two strips - * of data for output overviews as an output cache. - * Author: Frank Warmerdam, warmerdam@pobox.com - * - ****************************************************************************** - * Copyright (c) 2000, Frank Warmerdam - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - ****************************************************************************** - */ - -#include "tiffiop.h" -#include "tif_ovrcache.h" -#include <assert.h> - -/************************************************************************/ -/* TIFFCreateOvrCache() */ -/* */ -/* Create an overview cache to hold two rows of blocks from an */ -/* existing TIFF directory. */ -/************************************************************************/ - -TIFFOvrCache *TIFFCreateOvrCache( TIFF *hTIFF, toff_t nDirOffset ) - -{ - TIFFOvrCache *psCache; - toff_t 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; -} - -/************************************************************************/ -/* TIFFWriteOvrRow() */ -/* */ -/* Write one entire row of blocks (row 1) to the tiff file, and */ -/* then rotate the block buffers, essentially moving things */ -/* down by one block. */ -/************************************************************************/ - -static void TIFFWriteOvrRow( TIFFOvrCache * psCache ) - -{ - int nRet, iTileX, iTileY = psCache->nBlockOffset; - unsigned char *pabyData; - toff_t 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 */ -} - -/************************************************************************/ -/* TIFFGetOvrBlock() */ -/************************************************************************/ - -/* TODO: make TIFF_Downsample handle iSample offset, so that we can - * do with a single TIFFGetOvrBlock and no longer need TIFFGetOvrBlock_Subsampled */ -unsigned char *TIFFGetOvrBlock( TIFFOvrCache *psCache, int iTileX, int iTileY, - int iSample ) - -{ - int nRowOffset; - - if( iTileY > psCache->nBlockOffset + 1 ) - TIFFWriteOvrRow( psCache ); - - assert( iTileX >= 0 && iTileX < psCache->nBlocksPerRow ); - assert( iTileY >= 0 && iTileY < psCache->nBlocksPerColumn ); - assert( iTileY >= psCache->nBlockOffset - && iTileY < psCache->nBlockOffset+2 ); - assert( iSample >= 0 && iSample < psCache->nSamples ); - - if (psCache->nPlanarConfig == PLANARCONFIG_SEPARATE) - nRowOffset = ((iTileX * psCache->nSamples) + iSample) - * psCache->nBytesPerBlock; - else - nRowOffset = iTileX * psCache->nBytesPerBlock + - (psCache->nBitsPerPixel + 7) / 8 * iSample; - - if( iTileY == psCache->nBlockOffset ) - return psCache->pabyRow1Blocks + nRowOffset; - else - return psCache->pabyRow2Blocks + nRowOffset; -} - -/************************************************************************/ -/* TIFFGetOvrBlock_Subsampled() */ -/************************************************************************/ - -unsigned char *TIFFGetOvrBlock_Subsampled( TIFFOvrCache *psCache, - int iTileX, int iTileY ) - -{ - int nRowOffset; - - if( iTileY > psCache->nBlockOffset + 1 ) - TIFFWriteOvrRow( psCache ); - - assert( iTileX >= 0 && iTileX < psCache->nBlocksPerRow ); - assert( iTileY >= 0 && iTileY < psCache->nBlocksPerColumn ); - assert( iTileY >= psCache->nBlockOffset - && iTileY < psCache->nBlockOffset+2 ); - assert( psCache->nPlanarConfig != PLANARCONFIG_SEPARATE ); - - nRowOffset = iTileX * psCache->nBytesPerBlock; - - if( iTileY == psCache->nBlockOffset ) - return psCache->pabyRow1Blocks + nRowOffset; - else - return psCache->pabyRow2Blocks + nRowOffset; -} - -/************************************************************************/ -/* TIFFDestroyOvrCache() */ -/************************************************************************/ - -void TIFFDestroyOvrCache( TIFFOvrCache * psCache ) - -{ - while( psCache->nBlockOffset < psCache->nBlocksPerColumn ) - TIFFWriteOvrRow( psCache ); - - _TIFFfree( psCache->pabyRow1Blocks ); - _TIFFfree( psCache->pabyRow2Blocks ); - _TIFFfree( psCache ); -} -/* - * Local Variables: - * mode: c - * c-basic-offset: 8 - * fill-column: 78 - * End: - */ diff --git a/tiff/contrib/addtiffo/tif_ovrcache.h b/tiff/contrib/addtiffo/tif_ovrcache.h deleted file mode 100755 index 0ad1082..0000000 --- a/tiff/contrib/addtiffo/tif_ovrcache.h +++ /dev/null @@ -1,103 +0,0 @@ -/****************************************************************************** - * tif_ovrcache.h,v 1.3 2005/05/25 09:03:16 dron Exp - * - * Project: TIFF Overview Builder - * Purpose: Library functions to maintain two rows of tiles or two strips - * of data for output overviews as an output cache. - * Author: Frank Warmerdam, warmerdam@pobox.com - * - * This code could potentially be used by other applications wanting to - * manage a once-through write cache. - * - ****************************************************************************** - * Copyright (c) 2000, Frank Warmerdam - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - ****************************************************************************** - */ - -#ifndef TIF_OVRCACHE_H_INCLUDED -#define TIF_OVRCACHE_H_INCLUDED - -#include "tiffio.h" - -#if defined(__cplusplus) -extern "C" { -#endif - -typedef struct -{ - uint32 nXSize; - uint32 nYSize; - - uint16 nBitsPerPixel; - uint16 nSamples; - uint16 nPlanarConfig; - uint32 nBlockXSize; - uint32 nBlockYSize; - toff_t nBytesPerBlock; - toff_t nBytesPerRow; - - int nBlocksPerRow; - int nBlocksPerColumn; - - int nBlockOffset; /* what block is the first in papabyBlocks? */ - unsigned char *pabyRow1Blocks; - unsigned char *pabyRow2Blocks; - - toff_t nDirOffset; - TIFF *hTIFF; - int bTiled; - -} TIFFOvrCache; - -TIFFOvrCache *TIFFCreateOvrCache( TIFF *hTIFF, toff_t nDirOffset ); -unsigned char *TIFFGetOvrBlock( TIFFOvrCache *psCache, int iTileX, int iTileY, - int iSample ); -unsigned char *TIFFGetOvrBlock_Subsampled( TIFFOvrCache *psCache, int iTileX, int iTileY ); -void TIFFDestroyOvrCache( TIFFOvrCache * ); - -void TIFFBuildOverviews( TIFF *, int, int *, int, const char *, - int (*)(double,void*), void * ); - -void TIFF_ProcessFullResBlock( TIFF *, int, int, int, int, int, int *, int, - int, TIFFOvrCache **, uint32, uint32, - unsigned char *, uint32, uint32, - int, const char * ); - -uint32 TIFF_WriteOverview( TIFF *, uint32, uint32, int, int, int, int, int, - int, int, int, int, unsigned short *, - unsigned short *, unsigned short *, int, - int, int); - - - -#if defined(__cplusplus) -} -#endif - -#endif /* ndef TIF_OVRCACHE_H_INCLUDED */ - -/* - * Local Variables: - * mode: c - * c-basic-offset: 8 - * fill-column: 78 - * End: - */ |