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290 lines
10 KiB
Plaintext
290 lines
10 KiB
Plaintext
/*
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This is a Optical-Character-Recognition program
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Copyright (C) 2000-2009 Joerg Schulenburg
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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see README for EMAIL address
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*/
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#include <string.h>
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#include "unicode.h"
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#include "output.h"
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#include "pcx.h"
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#include "gocr.h" /* extern job_t JOB; */
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/* function is only for debugging and for developing
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it prints out a part of pixmap b at point x0,y0 to stderr
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using dots .,; if no pixel, and @xoO for pixels
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modify n_run and print out what would happen on 2nd, 3th loop!
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new: output original and copied pixmap in the same figure
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*/
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void out_b(struct box *px, pix *b, int x0, int y0, int dx, int dy, int cs ){
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int x,y,x2,y2,yy0,tx,ty,n1,i;
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char c1, c2;
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yy0=y0;
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if (px) { /* overwrite rest of arguments */
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if (!b) {
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b=px->p;
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x0=px->x0; dx=px->x1-px->x0+1;
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y0=px->y0; dy=px->y1-px->y0+1; yy0=y0;
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}
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if(cs==0) cs=JOB->cfg.cs;
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fprintf(stderr,"\n# list box x= %4d %4d d= %3d %3d r= %3d %3d"
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" nrun=%d p=%p", /* ToDo: r,nrun is obsolete */
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px->x0, px->y0, px->x1 - px->x0 + 1, px->y1 - px->y0 + 1,
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px->x - px->x0, px->y - px->y0, JOB->tmp.n_run, (void*)px);
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fprintf(stderr,"\n# dots=%d boxes=%d subboxes=%d c=%s mod=%s"
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" line=%d m= %d %d %d %d",
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px->dots, px->num_boxes, px->num_subboxes,
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decode(px->c,ASCII), decode(px->modifier,ASCII), px->line,
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px->m1 - px->y0, px->m2 - px->y0, px->m3 - px->y0, px->m4 - px->y0);
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if (px->num_frames) {
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int i,j,jo;
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fprintf(stderr,"\n# frames= %d (sumvects=%d)",px->num_frames,
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((px->num_frames)?px->num_frame_vectors[px->num_frames-1]:-1));
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for (jo=j=i=0; i<px->num_frames; i++, jo=j) {
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fprintf(stderr,"\n# frame %d (%+4d,%3d,%2d) ",
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i, px->frame_vol[i], px->frame_per[i],
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px->num_frame_vectors[i]-jo);
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/* print only the first vectors of each frame */
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for (;j<px->num_frame_vectors[i] && j<MaxFrameVectors; j++)
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fprintf(stderr," #%02d %2d %2d", j,
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px->frame_vector[j][0] - px->x0,
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px->frame_vector[j][1] - px->y0);
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}
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}
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if (px->num_ac){ /* output table of chars and its probabilities */
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fprintf(stderr,"\n# list box char: ");
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for(i=0;i<px->num_ac && i<NumAlt;i++)
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/* output the (xml-)string (picture position, barcodes, glyphs, ...) */
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if (px->tas[i])
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fprintf(stderr," %s(%d)", px->tas[i] ,px->wac[i]);
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else
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fprintf(stderr," %s(%d)",decode(px->tac[i],ASCII),px->wac[i]);
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}
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fprintf(stderr,"\n");
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if (px->m2 && px->m1<y0 && (px->dots || y0>px->m2)) {
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yy0=px->m1; dy=px->y1-yy0+1;
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}
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}
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tx=dx/80+1;
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ty=dy/40+1; /* step, usually 1, but greater on large maps */
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fprintf(stderr,"# list pattern x= %4d %4d d= %3d %3d t= %d %d yy0= %d\n",
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x0,y0,dx,dy,tx,ty,yy0);
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if (dx>0)
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for(y=yy0;y<yy0+dy;y+=ty) { /* reduce the output to max 78x40 */
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/* first image is the copied and modified bitmap of the box */
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if (px)
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for(x=x0;x<x0+dx;x+=tx){ /* by merging sub-pixels */
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n1=0; c1='.';
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for(y2=y;y2<y+ty && y2<y0+dy;y2++) /* sub-pixels */
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for(x2=x;x2<x+tx && x2<x0+dx;x2++)
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{
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if((getpixel(px->p,x2-x0+px->x0,
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y2-y0+px->y0)<cs)) c1='@';
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}
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if (px->num_frames) { /* mark vectors */
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int i;
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if (c1!='$' && c1!='S') /* dont mark twice */
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for (i=0;i<px->num_frame_vectors[px->num_frames-1];i++)
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if ((px->frame_vector[i][0]-px->x0)/tx==(x-x0)/tx
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&& (px->frame_vector[i][1]-px->y0)/ty==(y-y0)/ty)
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{ c1=((c1=='@')?'$':'S'); break; }
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}
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fprintf(stderr,"%c", c1 );
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}
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/* 2nd image is the boxframe in the original bitmap */
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if (dx<40) fprintf(stderr," ");
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if (dx<40) /* do it only, if we have enough place */
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for(x=x0;x<x0+dx;x+=tx){ /* by merging sub-pixels */
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c1='.';
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for(y2=y;y2<y+ty && y2<y0+dy;y2++) /* sub-pixels */
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for(x2=x;x2<x+tx && x2<x0+dx;x2++)
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{ if((getpixel(b,x2,y2)<cs)) c1='@'; }
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fprintf(stderr,"%c", c1 );
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}
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c1=c2=' ';
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/* mark lines with < */
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if (px) if (y-y0+px->y0==px->m1 || y-y0+px->y0==px->m2
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|| y-y0+px->y0==px->m3 || y-y0+px->y0==px->m4) c1='<';
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if (y==y0 || y==yy0+dy-1) c2='-'; /* boxmarks */
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fprintf(stderr,"%c%c\n",c1,c2);
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}
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}
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/* same as out_b, but for faster use, only a box as argument
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*/
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void out_x(struct box *px) {
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out_b(px,NULL,0, 0, 0, 0, JOB->cfg.cs);
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}
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/* print out two boxes side by side, for debugging comparision algos */
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void out_x2(struct box *box1, struct box *box2){
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int x,y,i,tx,ty,dy;
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/*FIXME jb static*/static char *c1="OXXXXxx@.,,,,,,,";
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pix *b=&JOB->src.p;
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dy=(box1->y1-box1->y0+1);
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if(dy<box2->y1-box2->y0+1)dy=box2->y1-box2->y0+1;
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tx=(box1->x1-box1->x0)/40+1;
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ty=(box1->y1-box1->y0)/40+1; /* step, usually 1, but greater on large maps */
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if(box2)fprintf(stderr,"\n# list 2 patterns");
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for(i=0;i<dy;i+=ty) { /* reduce the output to max 78x40??? */
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fprintf(stderr,"\n"); y=box1->y0+i;
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for(x=box1->x0;x<=box1->x1;x+=tx)
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fprintf(stderr,"%c", c1[ ((getpixel(b,x,y)<JOB->cfg.cs)?0:8)+marked(b,x,y) ] );
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if(!box2) continue;
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fprintf(stderr," "); y=box2->y0+i;
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for(x=box2->x0;x<=box2->x1;x+=tx)
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fprintf(stderr,"%c", c1[ ((getpixel(b,x,y)<JOB->cfg.cs)?0:8)+marked(b,x,y) ] );
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}
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}
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/* ---- list output ---- for debugging ---
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* list all boxes where the results can be found within the c-option
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*/
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int output_list(job_t *job) {
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int i = 0, j;
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struct box *box2;
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pix *pp = &job->src.p;
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char *lc = job->cfg.lc;
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fprintf(stderr,"\n# list shape for charlist %s",lc);
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for_each_data(&(JOB->res.boxlist)) {
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box2 = (struct box *) list_get_current(&(JOB->res.boxlist));
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for (j=0; j<box2->num_ac; j++)
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if (!lc || (box2->tac[j] && strchr(lc, box2->tac[j]))
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|| (box2->tas[j] && strstr(lc, box2->tas[j]))) break;
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if (j<box2->num_ac)
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fprintf(stderr,"\n# box found in charlist");
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if (!lc || (strchr(lc, box2->c) && box2->c < 256 && box2->c)
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|| (strchr(lc, '_') && box2->c==UNKNOWN) /* for compability */
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|| j<box2->num_ac ){ /* also list alternative chars */
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if (!pp) pp=box2->p;
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fprintf(stderr,
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"\n# list shape %3d x=%4d %4d d= %3d %3d vf=%d ac=%d %04x %s",
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i, box2->x0, box2->y0,
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box2->x1 - box2->x0 + 1,
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box2->y1 - box2->y0 + 1,
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box2->num_frames, box2->num_ac,
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(int)box2->c, /* wchar_t -> char ???? */
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decode(box2->c,ASCII) );
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if (JOB->cfg.verbose & 4) out_x(box2);
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}
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i++;
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} end_for_each(&(JOB->res.boxlist));
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fprintf(stderr,"\n");
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return 0;
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}
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/* --- output of image incl. corored lines usefull for developers ---
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* debugging
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* bit 0+1 is used for color coding (optical marker)
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* color/gray: 0x01=red, 0x02=blue, 0x04=green???
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* opt: 1 - mark unknown boxes red (first pass)
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* 2 - mark unknown boxes more red (final pass)
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* 4 - mark lines blue
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* 8 - reset coloring (remove old marker)
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*/
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int debug_img(char *fname, struct job_s *job, int opt) {
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struct box *box2;
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int x, y, ic, dx, i, j, col;
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unsigned char *np;
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pix *pp = &job->tmp.ppo;
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if ( opt & 8 ) { /* clear debug bits in image */
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for(y=0;y<pp->y;y++) {
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np=&pp->p[(pp->x)*y];
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for(x=0;x<pp->x;x++) {
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*np = *np & 0xF1;
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np++;
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}
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}
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}
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/* mark longest line which was used to estimate the rotation angle */
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if ((job->cfg.verbose&32) && job->res.lines.dx)
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for(i=0;i<pp->x;i++) {
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y=pp->y/2;
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if (job->res.lines.dx) y+=job->res.lines.dy*i/job->res.lines.dx;
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x=i;
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if (x<0 || x>=pp->x || y<0 || y>=pp->y) continue;
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np=&pp->p[x + (pp->x)*y];
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if (*np<160) continue;
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if((x&7)<5 && !(x&1)) /* dotted line */
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put(pp,x,y,255,8);
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}
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ic = ((opt & 2) ? 1 : 2); /* obsolete */
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for_each_data(&(job->res.boxlist)) {
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box2 = (struct box *) list_get_current(&(job->res.boxlist));
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/* mark boxes in 32=0x40=blue */
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if (box2->c == ' ' || box2->c == '\n') continue;
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/* mark chars with green left and under line */
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col = 4; /* green */
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if (box2->c == UNKNOWN && (opt & 3)) col=2; /* red */
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if (box2->x0>1)
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for (y = box2->y0; y <= box2->y1; y++) {
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np=&pp->p[box2->x0-1 + y * pp->x]; if (*np<160) continue; *np|=col; }
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if (box2->y1+1<pp->y)
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for (x = box2->x0; x <= box2->x1; x++) {
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np=&pp->p[x + (box2->y1+1) * pp->x]; if (*np<160) continue; *np|=col; }
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/* mark pictures by green cross */
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if (box2->c == PICTURE)
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for (x = 0; x < box2->x1-box2->x0+1; x++){
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y=(box2->y1-box2->y0+1)*x/(box2->x1-box2->x0+1);
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pp->p[(box2->x0+x) + (box2->y0+y) * pp->x] |= 4;
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pp->p[(box2->x1-x) + (box2->y0+y) * pp->x] |= 4;
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}
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} end_for_each(&(job->res.boxlist));
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if( opt & 4 )
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{
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struct tlines *lines = &job->res.lines;
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int yr;
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if (job->cfg.verbose)
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fprintf(stderr, "# mark lines for %s.ppm\n", fname);
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/* or read from outside??? */
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for (i = 0; i < lines->num; i++) { /* mark lines by 0x08 = blue */
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dx = lines->x1[i] - lines->x0[i] + 1;
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for (j = -1; j < dx+1; j++) {
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x = lines->x0[i] + j;
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if (x<0 || x>=pp->x) continue;
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for (y=lines->m1[i];y<=lines->m4[i];y++) {
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/* box arround m2-m3 */
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if (y>=lines->m2[i] && y<=lines->m3[i] && j>-1 && j<dx) continue;
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yr = y; /* y.rotated */
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if (lines->dx) yr += lines->dy * x / (lines->dx);
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if (yr<0 || yr>=pp->y) continue;
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np = &(pp->p[x + (pp->x)*yr]);
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if (*np<160) continue; /* do not touch dark pixels */
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if ((*np&6)!=0) continue; /* only change white pixels */
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put(pp, x, yr, 255, 6); /* UPN: 255 and 6 or */
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}
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}
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}
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}
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if (job->cfg.verbose&1)
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fprintf(stderr,"# writing %s.ppm\n", fname);
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writeppm(fname, pp);
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return 0;
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}
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