214 lines
8.2 KiB
C
214 lines
8.2 KiB
C
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//___________________________________________________________________________________________________________nFO
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// "tiff-export.c" - tiff export [will be saved to an uncompressed tiff].
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//
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// NOTE: was hacked together after analyzing some tiff files with HexEdit and Tiffy.
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//
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// Written by: Axel "awe" Wefers [mailto:awe@fruitz-of-dojo.de].
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//
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//
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// Part of the "Hagane Engine v2.0".
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//
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// Copyright (c) 2001-2002 Fruitz Of Dojo. All rights reserved.
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//______________________________________________________________________________________________________iNCLUDES
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#pragma mark =Includes=
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#include "quakedef.h"
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#pragma mark -
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//_________________________________________________________________________________________________________eNUMS
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#pragma mark =Enums=
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enum {
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TIF_BYTE = 1,
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TIF_ASCII,
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TIF_SHORT,
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TIF_LONG,
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TIF_RATIONAL
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};
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#pragma mark -
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//_______________________________________________________________________________________________________dEFINES
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#pragma mark =Defines=
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#ifdef __BIG_ENDIAN__
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#define TIF_ENDIANESS { 0x4D, 0x4D, 0x00, 0x2A }
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#else
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#define TIF_ENDIANESS { 0x49, 0x49, 0x2A, 0x00 }
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#endif /* __BIG_ENDIAN__ */
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#define TIF_IFD_OFFSET 0x0000001E
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#define TIF_NUM_TAGS 0x000E
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#define TIF_SUBFILE_TYPE 0x00000000
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#define TIF_BITS_PER_SAMPLE { 8, 8, 8}
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#define TIF_SAMPLES_PER_PIXEL 3
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#define TIF_SAMPLE_OFFSET 0x0018
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#define TIF_COMPRESSION 0x0001
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#define TIF_PHOTOMETRIC 0x0002
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#define TIF_STRIP_OFFSETS 0x000000CC
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#define TIF_RESOLUTION_X_OFFSET 8
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#define TIF_RESOLUTION_Y_OFFSET 16
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#define TIF_RESOLUTION_X { 72, 1 }
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#define TIF_RESOLUTION_Y { 72, 1 }
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#define TIF_PLANAR_CONFIGURATION 1
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#define TIF_RESOLUTION_UNIT 2
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#define TIF_BLANK_TAG { \
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0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00 \
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}
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#define TIF_TAG_SUBFILE_TYPE 0x00FE
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#define TIF_TAG_IMAGE_WIDTH 0x0100
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#define TIF_TAG_IMAGE_HEIGHT 0x0101
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#define TIF_TAG_BITS_PER_SAMPLE 0x0102
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#define TIF_TAG_COMPRESSION 0x0103
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#define TIF_TAG_PHOTOMETRIC 0x0106
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#define TIF_TAG_STRIP_OFFSETS 0x0111
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#define TIF_TAG_SAMPLES_PER_PIXEL 0x0115
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#define TIF_TAG_ROWS_PER_STRIP 0x0116
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#define TIF_TAG_STRIP_BYTE_COUNTS 0x0117
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#define TIF_TAG_RESOLUTION_X 0x011A
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#define TIF_TAG_RESOLUTION_Y 0x011B
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#define TIF_TAG_PLANAR_CONFIGURATION 0x011C
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#define TIF_TAG_RESOLUTION_UNIT 0x0128
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#pragma mark -
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//_____________________________________________________________________________________________________cONSTANTS
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#pragma mark =Constants=
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const unsigned char cTifEndianHeader[4] = TIF_ENDIANESS,
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cTifBlankTag[12] = TIF_BLANK_TAG;
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const unsigned short cTifBitsPerSample[3] = TIF_BITS_PER_SAMPLE,
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cTifNumTags = TIF_NUM_TAGS,
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cTifCompression = TIF_COMPRESSION,
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cTifPhotometric = TIF_PHOTOMETRIC,
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cTifSamplesPerPixel = TIF_SAMPLES_PER_PIXEL,
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cTifPlanarConfig = TIF_PLANAR_CONFIGURATION,
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cTifResolutionUnit = TIF_RESOLUTION_UNIT;
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const unsigned int cTifIfdOffset = TIF_IFD_OFFSET,
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cTifResolutionX[2] = TIF_RESOLUTION_X,
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cTifResolutionY[2] = TIF_RESOLUTION_Y,
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cTifSampleOffset = TIF_SAMPLE_OFFSET,
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cTifSubfileType = TIF_SUBFILE_TYPE,
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cTifStripOffsets = TIF_STRIP_OFFSETS,
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cTifResXOffset = TIF_RESOLUTION_X_OFFSET,
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cTifResYOffset = TIF_RESOLUTION_Y_OFFSET;
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#pragma mark -
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//___________________________________________________________________________________________fUNCTION_pROTOTYPES
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#pragma mark =Function Prototypes=
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extern char * Sys_sprintf (char *theFormat, ...);
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void TIF_WriteFile (char *theFileName, unsigned int theWidth, unsigned int theHeight,
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unsigned char *theData);
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static void TIF_WriteTag (int theFile, unsigned short theTagName, unsigned short theTagSize,
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unsigned int theTagLength, const void (*theTagData));
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#pragma mark -
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//________________________________________________________________________________________________TIF_WriteTag()
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void TIF_WriteTag (int theFile, unsigned short theTagName, unsigned short theTagSize,
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unsigned int theTagLength, const void (*theTagData))
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{
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unsigned char mySize = 0;
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Sys_FileWrite (theFile, &theTagName, sizeof (short));
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Sys_FileWrite (theFile, &theTagSize, sizeof (short));
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Sys_FileWrite (theFile, &theTagLength, sizeof (int));
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switch (theTagSize)
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{
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case TIF_BYTE:
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case TIF_ASCII:
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mySize = sizeof (char);
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break;
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case TIF_SHORT:
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mySize = sizeof (short);
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break;
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case TIF_LONG:
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mySize = sizeof (int);
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break;
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case TIF_RATIONAL:
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mySize = sizeof (float);
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break;
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}
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if (theTagName == TIF_TAG_BITS_PER_SAMPLE)
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{
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mySize = sizeof (int);
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}
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Sys_FileWrite (theFile, (void *) theTagData, mySize);
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Sys_FileWrite (theFile, (void *) cTifBlankTag, 12 - (sizeof (short) << 1) - (sizeof (int)) - mySize);
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}
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//_______________________________________________________________________________________________TIF_WriteFile()
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void TIF_WriteFile (char *theFileName, unsigned int theWidth, unsigned int theHeight, unsigned char *theData)
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{
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char *myFileName = NULL;
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int myFile;
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unsigned int mySize = theWidth * theHeight * cTifSamplesPerPixel;
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// get the file to write to:
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myFileName = Sys_sprintf ("%s/%s", com_gamedir, theFileName);
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myFile = Sys_FileOpenWrite (myFileName);
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if (myFile == -1)
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{
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Sys_Printf ("TIF_WriteFile: failed on \"%s\"\n", myFileName);
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return;
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}
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Sys_Printf ("TIF_WriteFile: %s\n", myFileName);
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// write the header data:
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Sys_FileWrite (myFile, (void *) cTifEndianHeader, sizeof (char) << 2);
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Sys_FileWrite (myFile, (void *) &cTifIfdOffset, sizeof (int));
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Sys_FileWrite (myFile, (void *) cTifResolutionX, sizeof (int) << 1);
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Sys_FileWrite (myFile, (void *) cTifResolutionY, sizeof (int) << 1);
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Sys_FileWrite (myFile, (void *) cTifBitsPerSample, sizeof (short) * 3);
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Sys_FileWrite (myFile, (void *) &cTifNumTags, sizeof (short));
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TIF_WriteTag (myFile, TIF_TAG_SUBFILE_TYPE, TIF_LONG, 1, &cTifSubfileType);
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TIF_WriteTag (myFile, TIF_TAG_IMAGE_WIDTH, TIF_LONG, 1, &theWidth);
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TIF_WriteTag (myFile, TIF_TAG_IMAGE_HEIGHT, TIF_LONG, 1, &theHeight);
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TIF_WriteTag (myFile, TIF_TAG_BITS_PER_SAMPLE, TIF_SHORT, 3, &cTifSampleOffset);
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TIF_WriteTag (myFile, TIF_TAG_COMPRESSION, TIF_SHORT, 1, &cTifCompression);
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TIF_WriteTag (myFile, TIF_TAG_PHOTOMETRIC, TIF_SHORT, 1, &cTifPhotometric);
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TIF_WriteTag (myFile, TIF_TAG_STRIP_OFFSETS, TIF_LONG, 1, &cTifStripOffsets);
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TIF_WriteTag (myFile, TIF_TAG_SAMPLES_PER_PIXEL, TIF_SHORT, 1, &cTifSamplesPerPixel);
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TIF_WriteTag (myFile, TIF_TAG_ROWS_PER_STRIP, TIF_LONG, 1, &theWidth);
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TIF_WriteTag (myFile, TIF_TAG_STRIP_BYTE_COUNTS, TIF_LONG, 1, &mySize);
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TIF_WriteTag (myFile, TIF_TAG_RESOLUTION_X, TIF_RATIONAL, 1, &cTifResXOffset);
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TIF_WriteTag (myFile, TIF_TAG_RESOLUTION_Y, TIF_RATIONAL, 1, &cTifResYOffset);
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TIF_WriteTag (myFile, TIF_TAG_PLANAR_CONFIGURATION, TIF_SHORT, 1, &cTifPlanarConfig);
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TIF_WriteTag (myFile, TIF_TAG_RESOLUTION_UNIT, TIF_SHORT, 1, &cTifResolutionUnit);
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Sys_FileWrite (myFile, (void *) cTifBlankTag, sizeof (char) << 2);
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// write the bitmap data:
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Sys_FileWrite (myFile, theData, mySize);
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// good bye...
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Sys_FileClose (myFile);
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}
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//___________________________________________________________________________________________________________eOF
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