C++ (Cpp) ocr_text_proc Examples

Example #1

File: ocrjocr.c Project: Hzj-jie/libk2pdfopt

/*
** bmp8 must be grayscale
** (x1,y1) and (x2,y2) from top left of bitmap
*/
void jocr_single_word_from_bmp8(char *text,int maxlen,WILLUSBITMAP *bmp8,
                                int x1,int y1,int x2,int y2,int allow_spaces,
                                int std_proc)

    {
    job_t *job,_job;
    int i,w,h,dw,dh,bw;
    unsigned char *src,*dst;
    // static char *funcname="jocr_single_word_from_bmp8";
    char *buf;
    int pgm2asc(job_t *job);
    char *getTextLine(int);

    if (x1>x2)
        {
        w=x1;
        x1=x2;
        x2=w;
        }
    w=x2-x1+1;
    bw=w/40;
    if (bw<6)
        bw=6;
    dw=w+bw*2;
    if (y1>y2)
        {
        h=y1;
        y1=y2;
        y2=h;
        }
    h=y2-y1+1;
    dh=h+bw*2;
    job=&_job;
    job_init(job);
    job_init_image(job);
    // willus_mem_alloc_warn((void **)&job->src.p.p,w*h,funcname,10);
    /* Must use malloc since job_free_image counts on this. */
    job->src.p.p=malloc(dw*dh);
    job->src.p.x=dw;
    job->src.p.y=dh;
    job->src.p.bpp=1;
    src=bmp_rowptr_from_top(bmp8,y1)+x1;
    memset(job->src.p.p,255,dw*dh);
    dst=(unsigned char *)job->src.p.p + dw*bw + bw;
    for (i=y1;i<=y2;i++,dst+=dw,src+=bmp8->width)
        memcpy(dst,src,w);
    pgm2asc(job);
    buf=getTextLine(0);
    if (buf)
        {
        strncpy(text,buf,maxlen-1);
        text[maxlen-1]='\0';
        if (std_proc)
            ocr_text_proc(text,allow_spaces);
        }
    else
        text[0]='\0';
    // willus_mem_free((double **)&job->src.p.p,funcname);
    job_free_image(job);
    }

Example #2

File: ocrtess.c Project: astropeak/orion-mod

/*
** bmp8 must be grayscale
** (x1,y1) and (x2,y2) from top left of bitmap
*/
void ocrtess_single_word_from_bmp8(char *text,int maxlen,WILLUSBITMAP *bmp8,
                                   int x1,int y1,int x2,int y2,
                                   int ocr_type,int allow_spaces,
                                   int std_proc,FILE *out)

{
    PIX *pix;
    int i,w,h,dw,dh,bw,status;
    unsigned char *src,*dst;

    if (x1>x2)
    {
        w = x1;
        x1 = x2;
        x2 = w;
    }

    w = x2-x1+1;
    bw = w/40;

    if (bw < 6)
        bw = 6;

    dw = w + bw * 2;
    dw = (dw + 3) & (~3);

    if (y1>y2)
    {
        h = y1;
        y1 = y2;
        y2 = h;
    }

    h = y2 - y1 + 1;
    dh = h + bw * 2;

//    __android_log_print(ANDROID_LOG_INFO, "K2PDFOPT - OCR>> ", "BEFORE CREATE");

    pix = pixCreate(dw, dh, 8);

//    __android_log_print(ANDROID_LOG_INFO, "K2PDFOPT - OCR>> ", "AFTER CREATE");

    src = bmp_rowptr_from_top(bmp8, y1) + x1;

//    __android_log_print(ANDROID_LOG_INFO, "K2PDFOPT - OCR>> ", "BEFORE FROM TOP");

    dst = (unsigned char *)pixGetData(pix);

//    __android_log_print(ANDROID_LOG_INFO, "K2PDFOPT - OCR>> ", "AFTER GET DATA");

    memset(dst, 255, dw*dh);

//    __android_log_print(ANDROID_LOG_INFO, "K2PDFOPT - OCR>> ", "AFTER MEMSET");

    dst = (unsigned char *)pixGetData(pix);

//    __android_log_print(ANDROID_LOG_INFO, "K2PDFOPT - OCR>> ", "AFTER ANOTHER GET");

    dst += bw + dw * bw;

//    __android_log_print(ANDROID_LOG_INFO, "K2PDFOPT - OCR>> CONDITION", "dw: %d, src_inc: %d", dw, bmp8->width);

    for (i=y1; i<=y2; i++, dst+=dw, src+=bmp8->width)
        memcpy(dst, src, w);

//    __android_log_print(ANDROID_LOG_INFO, "K2PDFOPT - OCR>> ", "AFTER MEMCOPY");

    endian_flip((char *)pixGetData(pix), pixGetWpl(pix) * pixGetHeight(pix));

//    __android_log_print(ANDROID_LOG_INFO, "K2PDFOPT - OCR>> ", "BEFORE OCR");

    status = tess_capi_get_ocr(pix, text, maxlen, out);

//    __android_log_print(ANDROID_LOG_INFO, "K2PDFOPT - OCR>> ", "AFTER OCR");
    pixDestroy(&pix);

    if (status<0)
        text[0]='\0';

//    clean_line(text);

    if (std_proc)
        ocr_text_proc(text,allow_spaces);
}