TB9.2 Example Applications: examples/PIPS/antiword/src/jpeg2sprt.c Source File

00001 /*
-00002  * jpeg2sprt.c
-00003  * Copyright (C) 2000-2002 A.J. van Os; Released under GPL
-00004  *
-00005  * Description:
-00006  * Functions to translate jpeg pictures into sprites
-00007  */
-00008 
-00009 #include <stdio.h>
-00010 #include "antiword.h"
-00011 
-00012 #if 0 /* defined(DEBUG) */
-00013 static int iPicCounter = 0;
-00014 #endif /* DEBUG */
-00015 
-00016 
-00017 #if 0 /* defined(DEBUG) */
-00018 static void
-00019 vCopy2File(UCHAR *pucJpeg, size_t tJpegSize)
-00020 {
-00021         FILE    *pOutFile;
-00022         size_t  tIndex;
-00023         char    szFilename[30];
-00024 
-00025         sprintf(szFilename, "<Wimp$ScrapDir>.jpeg%04d", ++iPicCounter);
-00026         pOutFile = fopen(szFilename, "wb");
-00027         if (pOutFile == NULL) {
-00028                 return;
-00029         }
-00030         DBG_MSG(szFilename);
-00031         for (tIndex = 0; tIndex < tJpegSize; tIndex++) {
-00032                 if (putc(pucJpeg[tIndex], pOutFile) == EOF) {
-00033                         break;
-00034                 }
-00035         }
-00036         (void)fclose(pOutFile);
-00037         vSetFiletype(szFilename, FILETYPE_JPEG);
-00038 } /* end of vCopy2File */
-00039 #endif /* DEBUG */
-00040 
-00041 /*
-00042  * bSave2Draw - save the JPEG picture to the Draw file
-00043  *
-00044  * This function puts a JPEG picture in a Draw file
-00045  *
-00046  * return TRUE when sucessful, otherwise FALSE
-00047  */
-00048 BOOL
-00049 bSave2Draw(diagram_type *pDiag, FILE *pFile,
-00050         size_t tJpegSize, const imagedata_type *pImg)
-00051 {
-00052         UCHAR   *pucJpeg, *pucTmp;
-00053         size_t  tLen;
-00054         int     iByte;
-00055 
-00056         pucJpeg = xmalloc(tJpegSize);
-00057         for (pucTmp = pucJpeg, tLen = 0; tLen < tJpegSize; pucTmp++, tLen++) {
-00058                 iByte = iNextByte(pFile);
-00059                 if (iByte == EOF) {
-00060                         return FALSE;
-00061                 }
-00062                 *pucTmp = (UCHAR)iByte;
-00063         }
-00064 
-00065 #if 0 /* defined(DEBUG) */
-00066         vCopy2File(pucJpeg, tJpegSize);
-00067 #endif /* DEBUG */
-00068 
-00069         /* Add the JPEG to the Draw file */
-00070         vImage2Diagram(pDiag, pImg, pucJpeg, tJpegSize);
-00071 
-00072         xfree(pucJpeg);
-00073         return TRUE;
-00074 } /* end of bSave2Draw */
-00075 
-00076 /*
-00077  * bTranslateJPEG - translate a JPEG picture
-00078  *
-00079  * This function translates a picture from jpeg to sprite
-00080  *
-00081  * return TRUE when sucessful, otherwise FALSE
-00082  */
-00083 #if 0
-00084 BOOL
-00085 bTranslateJPEG(diagram_type *pDiag, FILE *pFile,
-00086         ULONG ulFileOffset, size_t tPictureLen, const imagedata_type *pImg)
-00087 {
-00088         /* Seek to start position of JPEG data */
-00089         if (!bSetDataOffset(pFile, ulFileOffset)) {
-00090                 return FALSE;
-00091         }
-00092 
-00093         if (iGetRiscOsVersion() >= 360) {
-00094                 return bSave2Draw(pDiag, pFile, tPictureLen, pImg);
-00095         }
-00096         /* JPEG is not supported until RISC OS 3.6 */
-00097         return bAddDummyImage(pDiag, pImg);
-00098 } /* end of bTranslateJPEG */
-00099 
-00100 #endif/*0*/
-