Example #1
0
int
main(int argc, const char *argv[]) {

    FILE * ifP;
    bit * bitrow;
    int rows;
    int cols;
    int format;
    unsigned int padright;
    unsigned int row;
    const char * inputFile;

    pm_proginit(&argc, argv);

    if (argc-1 < 1)
        inputFile = "-";
    else {
        inputFile = argv[1];

        if (argc-1 > 2)
            pm_error("Too many arguments.  The only argument is the optional "
                     "input file name");
    }

    ifP = pm_openr(inputFile);

    pbm_readpbminit(ifP, &cols, &rows, &format);

    if (rows > INT16MAX || cols > INT16MAX)
        pm_error("Input image is too large.");

    bitrow = pbm_allocrow(cols);
    
    /* Compute padding to round cols up to the nearest multiple of 16. */
    padright = ((cols + 15) / 16) * 16 - cols;

    putinit(cols, rows);
    for (row = 0; row < rows; ++row) {
        unsigned int col;

        pbm_readpbmrow(ifP, bitrow, cols, format);

        for (col = 0; col < cols; ++col)
            putbit(bitrow[col]);

        for (col = 0; col < padright; ++col)
            putbit(0);
    }

    if (ifP != stdin)
        fclose(ifP);

    putrest();

    return 0;
}
Example #2
0
int
main(int argc, const char * argv[]) {

    FILE * ifP;
    gray * grayrow;
    int rows;
    int cols;
    unsigned int depth;
    int format;
    unsigned int padright;
    unsigned int row;
    gray maxval;
    const char * inputFile;

    pm_proginit(&argc, argv);

    if (argc-1 < 1)
        inputFile = "-";
    else {
        inputFile = argv[1];

        if (argc-1 > 2)
            pm_error("Too many arguments.  The only argument is the optional "
                     "input file name");
    }

    ifP = pm_openr(inputFile);

    pgm_readpgminit(ifP, &cols, &rows, &maxval, &format);

    grayrow = pgm_allocrow(cols);
    depth = pm_maxvaltobits(maxval);

    /* Compute padding to round cols up to the nearest multiple of 32. */
    padright = ((cols + 31) / 32) * 32 - cols;

    putinit(cols, rows, depth);

    for (row = 0; row < rows; ++row) {
        unsigned int col;

        pgm_readpgmrow(ifP, grayrow, cols, maxval, format);

        for (col = 0; col < cols; ++col)
            putval(grayrow[col]);

        for (col = 0; col < padright; ++col)
            putval(0);
    }

    pm_close(ifP);

    putrest();

    return 0;
}
Example #3
0
static void
doPage(FILE *             const ifP, 
       struct cmdlineInfo const cmdline) {

    bit * bitrow;
    int rows, cols, format, row;
    unsigned int blankRows;
    bool rowIsBlank;

    pbm_readpbminit(ifP, &cols, &rows, &format);

    bitrow = pbm_allocrow(cols);

    allocateBuffers(cols);

    putinit(cmdline);

    blankRows = 0;
    prevRowBufferIndex = 0;
    memset(prevRowBuffer, 0, rowBufferSize);

    for (row = 0; row < rows; ++row) {
        pbm_readpbmrow(ifP, bitrow, cols, format);

        convertRow(bitrow, cols, cmdline.pack, cmdline.delta,
                   &rowIsBlank);

        if (rowIsBlank)
            ++blankRows;
        else {
            printBlankRows(blankRows);
            blankRows = 0;
            
            printRow();
        }
    }    
    printBlankRows(blankRows);
    blankRows = 0;

    putrest(!cmdline.noreset);

    freeBuffers();
    pbm_freerow(bitrow);
}
Example #4
0
int
main( int argc, char* argv[])
    {
    FILE* ifp;
    bit* bitrow;
    int rows, cols, format, row, col;

    pbm_init( &argc, argv );

    if ( argc > 2 )
        pm_usage( "[pbmfile]" );

    if ( argc == 2 )
        ifp = pm_openr( argv[1] );
    else
        ifp = stdin;

    pbm_readpbminit( ifp, &cols, &rows, &format );

    if( rows>INT16MAX || cols>INT16MAX )
      pm_error ("Input image is too large.");


    bitrow = pbm_allocrow( cols );

    putinit (rows, cols);
    for ( row = 0; row < rows; ++row )
        {
#ifdef DEBUG
        fprintf (stderr, "row %d\n", row);
#endif
        pbm_readpbmrow( ifp, bitrow, cols, format );
        for ( col = 0; col < cols; ++col )
            putbit( bitrow[col] );
        putrow( );
        }
    flushrow ();

    pm_close( ifp );


    exit( 0 );
    }
Example #5
0
static void
convertPage(FILE * const ifP, 
            int    const turnflag, 
            int    const turnokflag, 
            bool   const psfilter,
            bool   const rle, 
            bool   const flate,
            bool   const ascii85,
            bool   const setpage,
            bool   const showpage,
            bool   const center, 
            float  const scale,
            int    const dpiX, 
            int    const dpiY, 
            int    const pagewid, 
            int    const pagehgt,
            int    const imagewidth, 
            int    const imageheight, 
            bool   const equalpixels,
            char   const name[],
            bool   const dict,
            bool   const vmreclaim,
            bool   const levelIsGiven,
            bool   const levelGiven) {
    
    struct pam inpam;
    tuple* tuplerow;
    unsigned int padright;
        /* Number of bits we must add to the right end of each Postscript
           output line in order to have an integral number of bytes of output.
           E.g. at 2 bits per sample with 10 columns, this would be 4.
        */
    int row;
    unsigned int ps_maxval;
        /* The maxval of the Postscript program */
    float scols, srows;
    float llx, lly;
    bool turned;
    bool color;
    unsigned int postscriptLevel;
    struct bmepsoe * bmepsoeP;

    pnm_readpaminit(ifP, &inpam, PAM_STRUCT_SIZE(tuple_type));
    
    if (!STRSEQ(inpam.tuple_type, PAM_PBM_TUPLETYPE) &&
        !STRSEQ(inpam.tuple_type, PAM_PGM_TUPLETYPE) &&
        !STRSEQ(inpam.tuple_type, PAM_PPM_TUPLETYPE))
        pm_error("Unrecognized tuple type %s.  This program accepts only "
                 "PBM, PGM, PPM, and equivalent PAM input images", 
                 inpam.tuple_type);

    color = STRSEQ(inpam.tuple_type, PAM_PPM_TUPLETYPE);
    
    selectPostscriptLevel(levelIsGiven, levelGiven, color, 
                          dict, flate, ascii85, &postscriptLevel);
    
    if (color)
        pm_message("generating color Postscript program.");

    computeDepth(inpam.maxval, &bitspersample, &ps_maxval);
    {
        unsigned int const realBitsPerLine = inpam.width * bitspersample;
        unsigned int const paddedBitsPerLine = ((realBitsPerLine + 7) / 8) * 8;
        padright = (paddedBitsPerLine - realBitsPerLine) / bitspersample;
    }
    /* In positioning/scaling the image, we treat the input image as if
       it has a density of 72 pixels per inch.
    */
    computeImagePosition(dpiX, dpiY, inpam.width, inpam.height, 
                         turnflag, turnokflag, center,
                         pagewid, pagehgt, scale, imagewidth, imageheight,
                         equalpixels,
                         &scols, &srows, &llx, &lly, &turned);
    
    putinit(postscriptLevel, name, inpam.width, inpam.height, 
            scols, srows, llx, lly, padright, bitspersample, 
            pagewid, pagehgt, color,
            turned, rle, flate, ascii85, setpage, psfilter, dict);

    createBmepsOutputEncoder(&bmepsoeP, stdout, rle, flate, ascii85);
    initNativeOutputEncoder(rle, bitspersample);

    tuplerow = pnm_allocpamrow(&inpam);

    for (row = 0; row < inpam.height; ++row) {
        pnm_readpamrow(&inpam, tuplerow);
        if (psfilter)
            convertRowPsFilter(&inpam, tuplerow, bmepsoeP);
        else
            convertRowNative(&inpam, tuplerow, ps_maxval, rle, padright);
    }

    pnm_freepamrow(tuplerow);

    if (psfilter)
        flushBmepsOutput(bmepsoeP);
    else
        flushNativeOutput(rle);

    destroyBmepsOutputEncoder(bmepsoeP);

    putEnd(showpage, psfilter, ascii85, dict, vmreclaim);
}