/*!
 *  sarrayRead()
 *
 *      Input:  filename
 *      Return: sarray, or null on error
 */
SARRAY *
sarrayRead(const char  *filename)
{
FILE    *fp;
SARRAY  *sa;

    PROCNAME("sarrayRead");

    if (!filename)
        return (SARRAY *)ERROR_PTR("filename not defined", procName, NULL);

    if ((fp = fopenReadStream(filename)) == NULL)
        return (SARRAY *)ERROR_PTR("stream not opened", procName, NULL);

    if ((sa = sarrayReadStream(fp)) == NULL) {
        fclose(fp);
        return (SARRAY *)ERROR_PTR("sa not read", procName, NULL);
    }

    fclose(fp);
    return sa;
}
示例#2
0
/*!
 * \brief   recogReadStream()
 *
 * \param[in]    fp file stream
 * \return  recog, or NULL on error
 */
L_RECOG *
recogReadStream(FILE  *fp)
{
l_int32   version, setsize, threshold, scalew, scaleh, linew;
l_int32   maxyshift, nc;
L_DNA    *dna_tochar;
PIXAA    *paa;
L_RECOG  *recog;
SARRAY   *sa_text;

    PROCNAME("recogReadStream");

    if (!fp)
        return (L_RECOG *)ERROR_PTR("stream not defined", procName, NULL);

    if (fscanf(fp, "\nRecog Version %d\n", &version) != 1)
        return (L_RECOG *)ERROR_PTR("not a recog file", procName, NULL);
    if (version != RECOG_VERSION_NUMBER)
        return (L_RECOG *)ERROR_PTR("invalid recog version", procName, NULL);
    if (fscanf(fp, "Size of character set = %d\n", &setsize) != 1)
        return (L_RECOG *)ERROR_PTR("setsize not read", procName, NULL);
    if (fscanf(fp, "Binarization threshold = %d\n", &threshold) != 1)
        return (L_RECOG *)ERROR_PTR("binary thresh not read", procName, NULL);
    if (fscanf(fp, "Maxyshift = %d\n", &maxyshift) != 1)
        return (L_RECOG *)ERROR_PTR("maxyshift not read", procName, NULL);
    if (fscanf(fp, "Scale to width = %d\n", &scalew) != 1)
        return (L_RECOG *)ERROR_PTR("width not read", procName, NULL);
    if (fscanf(fp, "Scale to height = %d\n", &scaleh) != 1)
        return (L_RECOG *)ERROR_PTR("height not read", procName, NULL);
    if (fscanf(fp, "Normalized line width = %d\n", &linew) != 1)
        return (L_RECOG *)ERROR_PTR("line width not read", procName, NULL);
    if ((recog = recogCreate(scalew, scaleh, linew, threshold,
                             maxyshift)) == NULL)
        return (L_RECOG *)ERROR_PTR("recog not made", procName, NULL);

    if (fscanf(fp, "\nLabels for character set:\n") != 0) {
        recogDestroy(&recog);
        return (L_RECOG *)ERROR_PTR("label intro not read", procName, NULL);
    }
    l_dnaDestroy(&recog->dna_tochar);
    if ((dna_tochar = l_dnaReadStream(fp)) == NULL) {
        recogDestroy(&recog);
        return (L_RECOG *)ERROR_PTR("dna_tochar not read", procName, NULL);
    }
    recog->dna_tochar = dna_tochar;
    sarrayDestroy(&recog->sa_text);
    if ((sa_text = sarrayReadStream(fp)) == NULL) {
        recogDestroy(&recog);
        return (L_RECOG *)ERROR_PTR("sa_text not read", procName, NULL);
    }
    recog->sa_text = sa_text;

    if (fscanf(fp, "\nPixaa of all samples in the training set:\n") != 0) {
        recogDestroy(&recog);
        return (L_RECOG *)ERROR_PTR("pixaa intro not read", procName, NULL);
    }
    if ((paa = pixaaReadStream(fp)) == NULL) {
        recogDestroy(&recog);
        return (L_RECOG *)ERROR_PTR("pixaa not read", procName, NULL);
    }
    recog->setsize = setsize;
    nc = pixaaGetCount(paa, NULL);
    if (nc != setsize) {
        recogDestroy(&recog);
        pixaaDestroy(&paa);
        L_ERROR("(setsize = %d) != (paa count = %d)\n", procName,
                     setsize, nc);
        return NULL;
    }

    recogAddAllSamples(&recog, paa, 0);  /* this finishes */
    pixaaDestroy(&paa);
    if (!recog)
        return (L_RECOG *)ERROR_PTR("bad templates", procName, NULL);
    return recog;
}
示例#3
0
/*!
 *  gplotRead()
 *
 *      Input:  filename
 *      Return: gplot, or NULL on error
 */
GPLOT *
gplotRead(const char  *filename)
{
char     buf[L_BUF_SIZE];
char    *rootname, *title, *xlabel, *ylabel, *ignores;
l_int32  outformat, ret, version, ignore;
FILE    *fp;
GPLOT   *gplot;

    PROCNAME("gplotRead");

    if (!filename)
        return (GPLOT *)ERROR_PTR("filename not defined", procName, NULL);

    if ((fp = fopenReadStream(filename)) == NULL)
        return (GPLOT *)ERROR_PTR("stream not opened", procName, NULL);

    ret = fscanf(fp, "Gplot Version %d\n", &version);
    if (ret != 1) {
        fclose(fp);
        return (GPLOT *)ERROR_PTR("not a gplot file", procName, NULL);
    }
    if (version != GPLOT_VERSION_NUMBER) {
        fclose(fp);
        return (GPLOT *)ERROR_PTR("invalid gplot version", procName, NULL);
    }

    ignore = fscanf(fp, "Rootname: %s\n", buf);
    rootname = stringNew(buf);
    ignore = fscanf(fp, "Output format: %d\n", &outformat);
    ignores = fgets(buf, L_BUF_SIZE, fp);   /* Title: ... */
    title = stringNew(buf + 7);
    title[strlen(title) - 1] = '\0';
    ignores = fgets(buf, L_BUF_SIZE, fp);   /* X axis label: ... */
    xlabel = stringNew(buf + 14);
    xlabel[strlen(xlabel) - 1] = '\0';
    ignores = fgets(buf, L_BUF_SIZE, fp);   /* Y axis label: ... */
    ylabel = stringNew(buf + 14);
    ylabel[strlen(ylabel) - 1] = '\0';

    if (!(gplot = gplotCreate(rootname, outformat, title, xlabel, ylabel))) {
        fclose(fp);
        return (GPLOT *)ERROR_PTR("gplot not made", procName, NULL);
    }
    FREE(rootname);
    FREE(title);
    FREE(xlabel);
    FREE(ylabel);
    sarrayDestroy(&gplot->cmddata);
    sarrayDestroy(&gplot->datanames);
    sarrayDestroy(&gplot->plotdata);
    sarrayDestroy(&gplot->plottitles);
    numaDestroy(&gplot->plotstyles);

    ignore = fscanf(fp, "Commandfile name: %s\n", buf);
    stringReplace(&gplot->cmdname, buf);
    ignore = fscanf(fp, "\nCommandfile data:");
    gplot->cmddata = sarrayReadStream(fp);
    ignore = fscanf(fp, "\nDatafile names:");
    gplot->datanames = sarrayReadStream(fp);
    ignore = fscanf(fp, "\nPlot data:");
    gplot->plotdata = sarrayReadStream(fp);
    ignore = fscanf(fp, "\nPlot titles:");
    gplot->plottitles = sarrayReadStream(fp);
    ignore = fscanf(fp, "\nPlot styles:");
    gplot->plotstyles = numaReadStream(fp);

    ignore = fscanf(fp, "Number of plots: %d\n", &gplot->nplots);
    ignore = fscanf(fp, "Output file name: %s\n", buf);
    stringReplace(&gplot->outname, buf);
    ignore = fscanf(fp, "Axis scaling: %d\n", &gplot->scaling);

    fclose(fp);
    return gplot;
}