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/*
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 * jpeg2eps.c
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 * Copyright (C) 2000-2002 A.J. van Os; Released under GPL
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 *
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 * Description:
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 * Functions to translate jpeg pictures into eps
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 *
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 */
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#include <stdio.h>
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#include "antiword.h"
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#if defined(DEBUG)
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static int	iPicCounter = 0;
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#endif /* DEBUG */
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#if defined(DEBUG)
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/*
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 * vCopy2File
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 */
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static void
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vCopy2File(FILE *pFile, ULONG ulFileOffset, size_t tPictureLen)
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{
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	FILE	*pOutFile;
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	size_t	tIndex;
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	int	iTmp;
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	char	szFilename[30];
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	if (!bSetDataOffset(pFile, ulFileOffset)) {
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		return;
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	}
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	sprintf(szFilename, "/tmp/pic/pic%04d.jpg", ++iPicCounter);
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	pOutFile = fopen(szFilename, "wb");
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	if (pOutFile == NULL) {
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		return;
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	}
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	for (tIndex = 0; tIndex < tPictureLen; tIndex++) {
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		iTmp = iNextByte(pFile);
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		if (putc(iTmp, pOutFile) == EOF) {
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			break;
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		}
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	}
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	(void)fclose(pOutFile);
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} /* end of vCopy2File */
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#endif /* DEBUG */
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/*
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 * bTranslateJPEG - translate a JPEG picture
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 *
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 * This function translates a picture from jpeg to eps
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 *
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 * return TRUE when sucessful, otherwise FALSE
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 */
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BOOL
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bTranslateJPEG(diagram_type *pDiag, FILE *pFile,
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	ULONG ulFileOffset, size_t tPictureLen, const imagedata_type *pImg)
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{
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#if defined(DEBUG)
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	vCopy2File(pFile, ulFileOffset, tPictureLen);
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#endif /* DEBUG */
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	/* Seek to start position of JPEG data */
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	if (!bSetDataOffset(pFile, ulFileOffset)) {
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		return FALSE;
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	}
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	vImagePrologue(pDiag, pImg);
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	vASCII85EncodeFile(pFile, pDiag->pOutFile, tPictureLen);
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	vImageEpilogue(pDiag);
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	return TRUE;
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} /* end of bTranslateJPEG */