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1476 lines
65 KiB
Plaintext
1476 lines
65 KiB
Plaintext
/* ocr-engine numbers only */
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/*
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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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OCR engine (c) Joerg Schulenburg
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first engine: rule based --- numbers 0..9
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*/
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#include <stdlib.h>
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#include <stdio.h>
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/* #include "pgm2asc.h" */
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#include "ocr0.h"
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#include "ocr1.h"
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#include "amiga.h"
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#include "pnm.h"
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#include "gocr.h"
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/* only for debugging and development */
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#define IFV if(JOB->cfg.verbose&4)
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#define MM {IFV fprintf(stderr,"\nDBG %c L%04d (%d,%d): ",(char)c_ask,__LINE__,box1->x0,box1->y0);}
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/* the old debug mode (0.40) was only for a special char, for another char
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* code must be recompiled with C_ASK='char'
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* new debug mode (0.41) explains why char is declined or accepted as ABC...
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* the output can be filtered by external scripts
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* ToDo: we could reduce output to filter string
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*/
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#ifndef DO_DEBUG /* can be defined outside */
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#define DO_DEBUG 0 /* 0 is the default */
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#endif
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/* this macro is for debugging output: "if char is declined, why?" */
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#if DO_DEBUG /* 0=Work mode, 1=debugging mode */
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// Setac: output, that char is choosen with a probability
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// Break: output, why the char is not choosen
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// MSG: debugging functions for char C_ASK, mostly messages
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// DBG: definitions usefull only for debugging
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#define Setac(box1,ac,ad) { MM;IFV fprintf(stderr,"setac %d",ad);setac(box1,ac,ad); }
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#define Break { MM;IFV fprintf(stderr,"break"); break; }
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#define MSG(x) { MM;IFV x }
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#define DBG(x) x
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#else
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#define Setac(box1,ac,ad) setac(box1,ac,ad)
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#define Break break
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#define MSG(x)
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#define DBG(x)
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#endif
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/* extern "C"{ */
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// OCR engine ;)
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wchar_t ocr0n(ocr0_shared_t *sdata){
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struct box *box1=sdata->box1;
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pix *bp=sdata->bp;
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int d,x,y,x0=box1->x0,x1=box1->x1,y0=box1->y0,y1=box1->y1;
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int dx=x1-x0+1,dy=y1-y0+1,cs=sdata->cs; // size
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int xa,xb,ya,yb, /* tmp-vars */
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i1,i2,i3,i4,i,j;
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int (*aa)[4]=sdata->aa; /* corner-points, (x,y,dist^2,vector_idx) */
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wchar_t bc=UNKNOWN; // best char
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int ad=0; // propability 0..100
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int hchar=sdata->hchar; // char is higher than 'e'
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int gchar=sdata->gchar; // char has ink lower than m3
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int dots=box1->dots;
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// --- test 5 near S ---------------------------------------------------
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for(ad=d=100;dx>2 && dy>4;){ // min 3x4
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DBG( char c_ask='5'; )
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if (sdata->holes.num > 1) Break; /* be tolerant */
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if( num_cross( dx/2, dx/2,0,dy-1,bp,cs)!=3
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&& num_cross(5*dx/8,3*dx/8,0,dy-1,bp,cs)!=3 ) Break;
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i1=loop(bp,dx-1,dy-1,dx,cs,0,LE);
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i2=loop(bp,dx-1,dy-2,dx,cs,0,LE);
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if (i2-i1 >= dx/4) Break; // ~{ 5x7font
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// get the upper and lower hole koords, y around dy/4 ???
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x=5*dx/8;
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y =loop(bp,x,0,dy,cs,0,DO); if(y>dy/8) Break;
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y +=loop(bp,x,y,dy,cs,1,DO); if(y>dy/4) Break;
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i1 =loop(bp,x,y,dy,cs,0,DO)+y; if(i1>5*dy/8) Break;
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i3=y=(y+i1)/2; // upper end can be shifted to the right for italic
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x =loop(bp,0,y,dx,cs,0,RI); if(x>4*dx/8) Break;
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x +=loop(bp,x,y,dx,cs,1,RI); if(x>5*dx/8) Break;
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i1 =loop(bp,x,y,dx,cs,0,RI); i1=(i1+2*x)/2; // upper center (i1,i3)
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y=11*dy/16;
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x =loop(bp,dx-1 ,y,dx,cs,0,LE); if(x>dx/4) Break;
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x +=loop(bp,dx-1-x,y,dx,cs,1,LE); if(x>dx/2) Break;
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i2 =loop(bp,dx-1-x,y,dx,cs,0,LE); i2=dx-1-(i2+2*x)/2; // lower center x
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MSG( fprintf(stderr,"i1,i3=%d,%d i2=%d (upper+lower center)",i1,i3,i2);)
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y =loop(bp,i1,0,dy,cs,0,DO);
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y +=loop(bp,i1,y,dy,cs,1,DO);
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y =(3*y+i3)/4;
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if( num_cross( i1, dx-1, y, y,bp,cs)>0 ){ /* S or serif5 ? */
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y =loop(bp,i1 ,i3,dy,cs,0,DO);
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i =loop(bp,i1-1,i3,dy,cs,0,DO);
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if (y>i ) ad=99*ad/100; /* looks like S */
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y =loop(bp,i1 ,i3,dy,cs,0,UP);
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i =loop(bp,i1+1,i3,dy,cs,0,UP);
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if (i<y ) ad=99*ad/100; /* looks like S */
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x =loop(bp,dx-1,0,dx,cs,0,LE);
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i =loop(bp,dx-1,1,dx,cs,0,LE);
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if (x>i ) ad=99*ad/100; /* looks like S */
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if( num_cross( 0, dx/2, dy-1, dy-1,bp,cs)>1
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&& num_cross( dx/2,dx-1, 0, 0,bp,cs)>1 ) ad=98*ad/100; /* serifs */
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if (loop(bp,0,dy-1,dx,cs,0,RI)==0) ad=98*ad/100; /* S or 7segment */
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ad=99*ad/100;
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}
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for(y=dy/5;y<3*dy/4;y++) // right gap?
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if( num_cross(i1,dx-1,y,y,bp,cs)==0 ) break;
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if( y==3*dy/4 ) Break;
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for(y=dy/4;y<=11*dy/16;y++) // left gap?
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if( num_cross(0,i2,y,y,bp,cs)==0 ) break;
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if( y>11*dy/16 ) Break;
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// if( num_hole( x0, x1, y0, y1, box1->p,cs,NULL) > 0 ) break;
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if (sdata->holes.num>0) Break;
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// sS5 \sl z left upper v-bow ?
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for(x=dx,i=y=dy/4;y<dy/2;y++){
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j=loop(bp,0,y,dx,cs,0,RI); if(j<x) { x=j; i=y; }
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} y=i;
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i1=loop(bp,0, dy/16 ,dx,cs,0,RI);
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i2=loop(bp,0,(y+dy/16)/2 ,dx,cs,0,RI);
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i =loop(bp,0,(y+dy/16)/2+1,dx,cs,0,RI); if( i>i2 ) i2=i;
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i3=loop(bp,0, y ,dx,cs,0,RI);
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i =loop(bp,0, y-1,dx,cs,0,RI); if( i<i3 ) i3=i;
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if( 2*i2+1+dx/16 < i1+i3 ) Break;
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if( dy>=20 && dx<16 ) /* tall S */
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if( loop(bp,0, dy/5 ,dx,cs,0,RI)
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==loop(bp,0, dy/4 ,dx,cs,0,RI)
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&&
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loop(bp,0, dy/10 ,dx,cs,0,RI)
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>loop(bp,0, dy/4 ,dx,cs,0,RI)
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&&
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loop(bp,0, 1 ,dx,cs,0,RI)
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>loop(bp,0, dy/4 ,dx,cs,0,RI)+1
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&&
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loop(bp,dx-1, 0 ,dx,cs,0,LE)
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>loop(bp,dx-1, 1 ,dx,cs,0,LE) ) Break;
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if( dy>=30 && dx>15 ) /* large S */
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if( loop(bp,dx/4,3*dy/10,dy,cs,1,DO)>0 ) // check start
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if( loop(bp,dx-2,3*dy/4 ,dy,cs,1,UP)>0 ) // check end
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if( num_cross(dx/4,dx-2,3*dy/10,3*dy/4,bp,cs)==1 ) Break; // connected?
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MSG(fprintf(stderr,"~S ad=%d",ad);)
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// small fat s is very similar to rounded serif 5
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// but has a fat diagonal arrea (Oct08 JS)
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if ( num_cross(dx/8,dx-1-dx/8,3*dy/10,3*dy/4,bp,cs)==1 ) ad=98*ad/100;
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MSG(fprintf(stderr,"~S ad=%d",ad);)
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if( dy>17 && dx>9 ) /* S */
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if( loop(bp, 0,dy/2 ,dx,cs,0,RI)<dx/2
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|| loop(bp, 0,dy/2-1 ,dx,cs,0,RI)<dx/2 )
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if( loop(bp,dx/4,3*dy/10,dy,cs,1,DO)>0 ) // check start
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if( loop(bp,dx-2,2*dy/3 ,dy,cs,1,UP)>0 ) // check end
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if( loop(bp, 0, dy/16,dx,cs,0,RI)
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>= loop(bp,dx-1, dy-1-dy/16,dx,cs,0,LE) ) ad=ad*98/100;
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MSG(fprintf(stderr,"~S ad=%d",ad);)
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if( loop(bp,3*dx/4 , 0,dy,cs,1,DO) // ToDo: improve!
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< loop(bp, dx/4 ,dy-1,dy,cs,1,UP)
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&& loop(bp,3*dx/4-1, 0,dy,cs,0,DO)
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< loop(bp, dx/4+1,dy-1,dy,cs,0,UP) ) ad=ad*98/100;
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MSG(fprintf(stderr,"~S ad=%d",ad);)
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if ( gchar) ad=99*ad/100;
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if (!hchar) ad=99*ad/100;
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Setac(box1,(wchar_t)'5',ad);
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if (ad==100) return '5';
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break;
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}
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// --- test 1 ---------------------------------------------------
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for(ad=d=100;dy>4 && dy>dx && 2*dy>box1->m3-box1->m2;){ // min 3x4
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DBG( char c_ask='1'; )
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if( dots==1 ) Break;
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if (sdata->holes.num > 1) Break; /* be tolerant */
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if( num_cross(0, dx-1, 0 , 0 ,bp,cs) != 1
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&& num_cross(0, dx-1, 1 , 1 ,bp,cs) != 1 ) Break;
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if( num_cross(0, dx-1,dy/2,dy/2,bp,cs) != 1 ) Break;
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if( num_cross(0, dx-1,dy-1,dy-1,bp,cs) != 1
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&& num_cross(0, dx-1,dy-2,dy-2,bp,cs) != 1 ) Break;
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/* 5x7 micr ocr-a
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ooo @@@..
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.$. ooo ..@..
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$@. oo ..@..
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.$. oo ..@..
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.@. ooooo ..@.@
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.$. ooooo ..@.@
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$@$ ooooo @@@@@
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*/
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i4=0; // human font
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if( num_cross(0, dx-1,3*dy/4,3*dy/4,bp,cs) != 2 ) { // except ocr-a
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for( y=1; y<dy/2; y++ ){
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if( num_cross(0, dx-1, y , y ,bp,cs) == 2 ) break;
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} if (y>=dy/2) ad=98*ad/100;
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for( i=dy/8,y=7*dy/16;y<dy-1 && i;y++ ){
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if( num_cross(0, dx-1, y , y ,bp,cs) != 1 ) i--;
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} if( dy>8 && !i ) Break;
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} else { // ocr-a-1
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i= loop(bp,dx/2,0,dy,cs,0,DO);
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if (loop(bp,dx/2,i,dy,cs,1,DO)<dy-1) Break;
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i= loop(bp,dx -1,dy-1-dy/16,dx,cs,0,LE);
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if (loop(bp,dx-i-1,dy-1-dy/16,dx,cs,1,LE)<dx-1) Break;
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i= loop(bp,0,dy/16,dx,cs,0,RI);
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if (loop(bp,i,dy/16,dx,cs,1,RI)<dx/2) Break;
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i4=1;
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MSG(fprintf(stderr,"ocr-a-1 detected ad= %d", ad);)
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}
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if( num_cross(0, dx-1, 0 , 0 ,bp,cs) > 1
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&& num_cross(0, dx-1, 1 , 1 ,bp,cs) > 1 ) Break; // ~/it_7
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// calculate upper and lower mass center (without lower serif)
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x =loop(bp,0,7*dy/8-1,dx,cs,0,RI); i2=x;
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x+=loop(bp,x,7*dy/8-1,dx,cs,1,RI)-1; i2=(i2+x)/2;
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i1=loop(bp,dx-1 ,1+0* dy/4,dx,cs,0,LE); i1=dx-1-i1-(x-i2)/2;
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x =(i1-i2+4)/8; i1+=x; i2-=x;
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if( get_line2(i1,0,i2,dy-1,bp,cs,100)<95 ) { // dont work for ocr-a-1
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i1=loop(bp,dx-1 ,1+0* dy/4,dx,cs,0,LE); i1=dx-1-i1;
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if( get_line2(i1,0,i2,dy-1,bp,cs,100)<95 ) Break;
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}
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// upper and lower width
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x =loop(bp,(i1+i2)/2,dy/2,dx,cs,1,RI); i=x; i3=0;
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for(y=0;y<7*dy/8;y++)
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if( loop(bp,i1+y*(i2-i1)/dy, y,dx,cs,1,RI)-i > 1+dx/8 ) break;
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if(y<7*dy/8) ad=98*ad/100; // serif or ocr-a-1 ?
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if(y<6*dy/8) ad=99*ad/100; /* MICR E-13B font Jan07 */
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if(y<4*dy/8) Break;
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MSG(fprintf(stderr,"i12 %d %d ad= %d", i1,i2,ad);)
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// out_x(box1); printf(" i12=%d %d\n",i1,i2);
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x =loop(bp,i2,dy-1,dx,cs,1,LE); j=x;
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x =loop(bp,i2,dy-2,dx,cs,1,LE); if(x>j)j=x; i=j;
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x =loop(bp,i2,dy-1,dx,cs,1,RI); j=x;
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x =loop(bp,i2,dy-2,dx,cs,1,RI); if(x>j)j=x;
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if(abs(i-j)>1+dx/8) i3|=1;
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if(i3) Break;
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// out_x(box1);printf(" 11 i=%d j=%d i2=%d dx=%d\n",i,j,i1,dx);
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// get most left upper point (i,j)
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for(i=dx,j=y=0;y<7*dy/16;y++){
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x =loop(bp,0,y,dx,cs,0,RI); if(x<i) { i=x;j=y; }
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}
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if ( i1-i<7*dx/16 ) ad=ad*98/100;
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if ( i1-i<6*dx/16 ) ad=ad*98/100; // 4*dx/8 => 7*dx/16 MICR E-13B font
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if ( i1-i<4*dx/16 ) Break;
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MSG(fprintf(stderr,"i12 %d %d ad= %d", i1,i2,ad);)
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x =loop(bp,0,dy/2,dx,cs,0,RI); // right distance
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j =loop(bp,x,dy/2,dx,cs,1,RI); // thickness
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if( j>x+(dy+16)/32 ) ad=98*ad/100; // ~l but MICR E-13B font
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x =loop(bp,0,0,dx,cs,0,RI); // straight line ???
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j =loop(bp,0,1,dx,cs,0,RI); if( j>x ) Break; // ~l
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if( x==j ) j =loop(bp,0,dy/8,dx,cs,0,RI); if( j>x && !i4) Break;
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if( x==j ) if(loop(bp,0,dy/4,dx,cs,0,RI)>x) { // ~l
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// check micr-1 first before taken as 'l'
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if (loop(bp,dx-1,dy/8,dx,cs,0,LE)<=dx/4
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&& loop(bp, 0,3*dy/4,dx,cs,1,RI)< dx-1) ad=97*ad/100;
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}
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MSG(fprintf(stderr,"1l check ad= %d", ad);)
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x=j;
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// j =loop(bp,0,2,dx,cs,0,RI); if( j>=x ) Break; x=j; // ~l
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// j =loop(bp,0, 0,dx,cs,0,DO); if( !j ) Break; // ~7
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if( !hchar ) // ~ right part of n
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/* look for upper right side, not going from nw to se */
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if( loop(bp,dx-1, 1,dx,cs,0,LE)-dy/6
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> loop(bp,dx-1,dy/4,dx,cs,0,LE)
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// failes on small fonts with 1 point spaces between chars
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// also do not know what the purpose of this line was (JS Oct08)
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// || get_bw(x1+1,x1+2,y0,y0+dy/8,box1->p,cs,1)==1
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) Break; // Mai00
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if( loop(bp,dx-1,3*dy/4,dx,cs,0,LE) > dx/2
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&& get_bw(x1-dx/4,x1,y1-1,y1,box1->p,cs,1)==1 ) Break; // ~z Jun00
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i=loop(bp, dx/8,0,dy,cs,0,DO);
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for (y=dy,x=dx/2;x<3*dx/4;x++){ /* get upper end y */
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j=loop(bp,x,0,dy,cs,0,DO); if (j<y) { y=j; }
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}
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if(y<dy/2 && y+dy/16>=i) ad=98*ad/100; // ~\tt l ??? ocr-a_1
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MSG(fprintf(stderr,"1l check i= %d y= %d ad= %d", i, y, ad);)
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if( loop(bp, 0, dy/8,dx,cs,0,RI)
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-(dx-loop(bp,dx-1,7*dy/8,dx,cs,0,LE)) > dx/4 ) Break; // ~/
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i= loop(bp, 0, 0,dy,cs,0,DO); // horizontal line?
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if(dy>=12 && i>dy/8 && i<dy/2){
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if( loop(bp,dx-1,3*dy/16,dx,cs,0,LE)-dx/8
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>loop(bp,dx-1, i,dx,cs,0,LE)
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|| loop(bp,dx-1,3*dy/16,dx,cs,0,LE)-dx/8
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>loop(bp,dx-1, i+1,dx,cs,0,LE) ) Break; // ~t,~f
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i= loop(bp, 0,dy-1-dy/32,dx,cs,0,RI);
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x= loop(bp, 0,dy-2-dy/32,dx,cs,0,RI); if (i<x) x=i;
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if( x-loop(bp, 0, 3*dy/4,dx,cs,0,RI)>dx/8
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&& loop(bp,dx-1, 3*dy/4,dx,cs,0,LE)-dx/8
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>loop(bp,dx-1,dy-1-dy/32,dx,cs,0,LE) ) Break; // ~t
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if( loop(bp, 0,i-1,dx,cs,0,RI)>1 && dx<6) {
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ad=99*ad/100;
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if ( loop(bp,dx-1,i-1,dx,cs,0,LE)>1 ) Break; // ~t
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}
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|
}
|
|
|
|
if (dx>8){
|
|
if (loop(bp,0,3*dy/4,dx,cs,0,RI)-
|
|
loop(bp,0,dy/2-1,dx,cs,0,RI)>dx/4) ad=95*ad/100; // ~3
|
|
if (loop(bp,dx-1,dy/2-1,dx,cs,0,LE)-
|
|
loop(bp,dx-1,3*dy/4,dx,cs,0,LE)>dx/8) ad=99*ad/100; // ~3 ocr-a?
|
|
if (loop(bp,dx-1, dy/16,dx,cs,0,LE)-
|
|
loop(bp,dx-1, dy/4,dx,cs,0,LE)>dx/8) ad=95*ad/100; // ~23
|
|
MSG(fprintf(stderr,"23 check ad= %d", ad);)
|
|
}
|
|
/* font 5x9 "2" recognized as "1" */
|
|
i=loop(bp,dx-1-dx/8,dy-1,dy,cs,0,UP);
|
|
if (i<=dy/4) {
|
|
i+=loop(bp,dx-1-dx/8,dy-1-i,dy,cs,1,UP);
|
|
if (i<=dy/4) {
|
|
i=loop(bp,dx-1-dx/8,dy-1-i,dy,cs,0,LE);
|
|
if (2*i>=dx && loop(bp,dx/4,0,dy,cs,0,DO)<dy/2) {
|
|
if (dx<17) ad=98*ad/100;
|
|
if (dx<9) ad=97*ad/100;
|
|
MSG(fprintf(stderr,"5x9 2 check ad= %d", ad);)
|
|
}
|
|
}
|
|
}
|
|
|
|
// looking for ###
|
|
// ..# pattern (its important, we dont want perp. lines as 1)
|
|
// ToDo: better check that we have exact one on top
|
|
for (i2=0,i=dx,y=0;y<dy/2;y++) {
|
|
j=loop(bp,0,y,dx,cs,0,RI); if (j<i) i=j;
|
|
if (j>i+dx/8) { break; }
|
|
} if (y>=dy/2) ad=95*ad/100; // Feb07 care plates, right black border
|
|
MSG(fprintf(stderr,"ad= %d", ad);)
|
|
|
|
if (sdata->holes.num > 0) Break; // mini holes should be filtered
|
|
if (!box1->m3 && ad>98) ad=98; else {
|
|
if (!hchar) ad=99*ad/100;
|
|
if (box1->y0>box1->m2) ad=98*ad/100;
|
|
if (box1->y1<(1*box1->m2+3*box1->m3)/4) ad=98*ad/100;
|
|
if (box1->y1-box1->y0<(box1->m3-box1->m1)/2) ad=98*ad/100;
|
|
if ( gchar) ad=99*ad/100;
|
|
}
|
|
|
|
Setac(box1,(wchar_t)'1',ad);
|
|
break;
|
|
}
|
|
// --- test 2 old pixelbased - remove! -----------------------------
|
|
#ifdef Old_pixel_based
|
|
for(ad=d=100;dx>2 && dy>4;){ // min 3x4
|
|
DBG( char c_ask='2'; )
|
|
if (sdata->holes.num > 1) Break; /* be tolerant */
|
|
if( get_bw(x0+dx/2, x0+dx/2 , y1-dy/5, y1 ,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x0+dx/2, x0+dx/2 , y0 , y0+dy/5,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x0+dx/8, x1-dx/3 , y1-dy/3, y1-dy/3,box1->p,cs,1) != 1 ) Break;
|
|
|
|
if( get_bw(x1-dx/3, x1 , y0+dy/3 , y0+dy/3,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x0 , x0+dx/ 8, y1-dy/16, y1 ,box1->p,cs,1) != 1 ) Break;
|
|
if( num_cross(x0, x1-dx/8, y0+dy/2, y0+dy/2,box1->p,cs) != 1 ) Break;
|
|
if( get_bw(x0, x0+dx/9 , y0 , y0 ,box1->p,cs,1) == 1
|
|
&& get_bw(x0, x0+dx/2 ,y0+3*dy/16,y0+3*dy/16,box1->p,cs,1) == 1 ) Break;
|
|
if( get_bw(x0, x0+dx/9 , y0 , y0 ,box1->p,cs,1)
|
|
!= get_bw(x1-dx/9, x1 , y0 , y0 ,box1->p,cs,1) )
|
|
{ if (dx<6 && dy<9) ad=99*ad/100; else Break; }
|
|
// out_x(box1);
|
|
|
|
for( x=x0+dx/4;x<x1-dx/6;x++ ) // C
|
|
if( num_cross( x, x, y0, y0+dy/2,box1->p,cs) == 2 ) break;
|
|
if( x>=x1-dx/6 ) Break;
|
|
|
|
for( x=x0+dx/4;x<x1-dx/6;x++ ) // C, but acr-a
|
|
if( num_cross( x, x, y0+3*dy/8,y1,box1->p,cs) == 2 ) break;
|
|
if( x>=x1-dx/6 ) Break;
|
|
|
|
for(i=1,y=y0;y<y0+dy/2;y++ )
|
|
if( num_cross( x0, x1, y, y,box1->p,cs) == 2 ) i=0;
|
|
if( i ) ad=99*ad/100; // ToDo: ocr-a-2 should have 100%
|
|
|
|
for(i=1,y=y0+dy/5;y<y0+3*dy/4;y++ )
|
|
if( get_bw( x0, x0+dx/3, y, y,box1->p,cs,1) == 0 ) i=0;
|
|
if( i ) Break;
|
|
|
|
x=x1-dx/3,y=y1; /* center bottom */
|
|
turmite(box1->p,&x,&y,x0,x1,y0,y1,cs,UP,ST); if( y<y1-dy/5 ) Break;
|
|
turmite(box1->p,&x,&y,x0,x1,y0,y1,cs,ST,UP); if( y<y1-dy/4 ) ad=99*ad/100;
|
|
if( y<y1-dy/3 ) Break;
|
|
turmite(box1->p,&x,&y,x0,x1,y0,y1,cs,UP,ST); if( y<y0+dy/3 ) Break; y++;
|
|
turmite(box1->p,&x,&y,x0,x1,y0,y1,cs,RI,ST);
|
|
if( x<x1 ){ x--; // hmm thick font and serifs
|
|
turmite(box1->p,&x,&y,x0,x1,y0,y1,cs,UP,ST); if( y<y0+dy/2 ) Break; y++;
|
|
turmite(box1->p,&x,&y,x0,x1,y0,y1,cs,RI,ST);
|
|
if( x<x1 ) Break;
|
|
}
|
|
|
|
// test ob rechte Kante ansteigend
|
|
for(x=0,y=dy/18;y<=dy/3;y++){ // rechts abfallende Kante/Rund?
|
|
i=loop(box1->p,x1,y0+y,dx,cs,0,LE); // use p (not b) for broken chars
|
|
if( i<x ) break; // rund
|
|
if( i>x ) x=i;
|
|
}
|
|
if (y>dy/3 ) Break; // z
|
|
|
|
// hole is only allowed in beauty fonts
|
|
// if( num_hole( x0, x1, y0, y1,box1->p,cs,NULL) > 0 ) // there is no hole
|
|
// if( num_hole( x0, x0+dx/2, y0, y0+dy/2,box1->p,cs,NULL) == 0 ) // except in some beauty fonts
|
|
if (sdata->holes.num>0)
|
|
if (sdata->holes.hole[0].x1 >= dx/2 || sdata->holes.hole[0].y1 >= dy/2)
|
|
Break;
|
|
|
|
if (loop(bp,dx-1, 0,dx,cs,0,LE)
|
|
<loop(bp,dx-1,dy/4,dx,cs,0,LE)-dx/8) Break; // 5x7,5x8 z Jul09
|
|
i1=loop(bp,dx-1-dx/16,0,dy,cs,0,DO); // Jul00
|
|
i2=loop(bp, dx/ 2,0,dy,cs,0,DO); if( i2+dy/32>=i1 ) Break; // ~z
|
|
i1=loop(bp,dx-1,dy-3*dy/16,dx,cs,0,LE);
|
|
i2=loop(bp, 0,dy-3*dy/16,dx,cs,0,RI); if( i2>i1 ) ad=98*ad/100; // ~i
|
|
if (dots) ad=98*ad/100; // i
|
|
if (loop(bp,dx-1,dy-1-dy/16,dx,cs,0,LE)>dx/4) ad=96*ad/100; // \it i
|
|
|
|
if ((!hchar) && box1->m4!=0) ad=80*ad/100;
|
|
Setac(box1,(wchar_t)'2',ad);
|
|
if (ad==100) return '2';
|
|
break;
|
|
}
|
|
#endif
|
|
// --- test 2 new edge based v0.44 --------------------------------------
|
|
for(ad=d=100;dx>2 && dy>4;){ // min 3x4
|
|
// rewritten for vectors 0.42
|
|
int ld, i1, i2, i3, i4, i5, i6, i7; // line derivation + corners
|
|
DBG( wchar_t c_ask='2'; )
|
|
if (sdata->holes.num > 0) Break; /* no hole */
|
|
/* half distance to the center */
|
|
d=2*sq(128/4);
|
|
/* now we check for the lower ends, must be near to the corner */
|
|
if (aa[1][2]>d/4) Break; /* [2] = distance, ~7... */
|
|
if (aa[2][2]>d/2) Break; /* [2] = distance, ~r... */
|
|
if (aa[0][2]>d/1) Break; /* [2] = distance, ~d... */
|
|
if (aa[3][2]>d/1) Break; /* [2] = distance, ~bhk... */
|
|
/* searching for 4 notches between neighbouring ends */
|
|
|
|
/*
|
|
type A B
|
|
|
|
1OOO OO
|
|
2 1 2 <- 6
|
|
7-> OOOO O
|
|
O O <- 5
|
|
3OO4 3OO4
|
|
*/
|
|
|
|
// ToDo: replace by vector code (get point on line at dy/4)
|
|
if (loop(bp,dx-1, 0,dx,cs,0,LE)
|
|
<loop(bp,dx-1,dy/4,dx,cs,0,LE)-dx/8) Break; // 5x7,5x8 z Jul09
|
|
|
|
/* get a point on the inner low left side of the J */
|
|
i =box1->num_frame_vectors[0] - 1;
|
|
/* rightmost point on upper left side */
|
|
i2=nearest_frame_vector(box1, aa[0][3], aa[1][3], x1+dx, y0+dy/4);
|
|
/* upper leftmost vector */
|
|
i1=nearest_frame_vector(box1, aa[0][3], i2, x0-dx, (y0+y1)/2);
|
|
i3=aa[1][3];
|
|
/* low leftmost vector */
|
|
i5=nearest_frame_vector(box1, aa[2][3], aa[3][3], x0, y1);
|
|
/* low mostright vector */
|
|
i4=nearest_frame_vector(box1, aa[1][3], i5, x1+dx, y1);
|
|
/* next local max_x-point after i5 */
|
|
i6=i5;
|
|
for (i=i5;i!=aa[0][3];i=(i+1)%box1->num_frame_vectors[0]) {
|
|
if (box1->frame_vector[ i][0]
|
|
>box1->frame_vector[i6][0]) i6=i; // get next maximum
|
|
if (box1->frame_vector[ i][0]<x0+dx/3
|
|
&& box1->frame_vector[ i][1]<y0+dy/3
|
|
&& box1->frame_vector[i6][0]>x0+dx/2) break; // 5
|
|
}
|
|
/* which type? ToDo: have a more sure algorithm */
|
|
i7=nearest_frame_vector(box1, i2, i3, x0-dx/8, (y0+y1)/2);
|
|
if (box1->frame_vector[i7][0]<=x0+ dx/4
|
|
&& box1->frame_vector[i7][1]<=y0+2*dy/3) {
|
|
MSG(fprintf(stderr,"7-segment-type");)
|
|
} else { /* regular-book-type */
|
|
MSG( fprintf(stderr,"upper bow not z-like? ad %d", ad); )
|
|
if (aa[3][0]>=x1-dx/8 // x of upper right point
|
|
&& aa[3][1]< y0+dy/8) ad=99*ad/100; // y of upper right point
|
|
if (aa[0][0]<=x0+dx/8 // x of upper left point
|
|
&& aa[0][1]< y0+dy/8) ad=99*ad/100; // y of upper left point
|
|
if (aa[3][2]<=aa[1][2]) ad=97*ad/100; // dist to (maxx,0) <= (0,maxy)
|
|
}
|
|
// ToDo: output no=(x,y)
|
|
MSG( fprintf(stderr,"i1-7 %d %d %d %d %d %d %d ad %d",
|
|
i1,i2,i3,i4,i5,i6,i7,ad); )
|
|
if (i5==i6) Break; // ~+
|
|
|
|
if (box1->frame_vector[i5][1]
|
|
-box1->frame_vector[i6][1]<dy/4) Break; // ~5
|
|
if (box1->frame_vector[i1][1]>y0+dy/2) Break; // not to low
|
|
if (box1->frame_vector[i1][0]>x0+dx/8+dx/16) Break; // slanted ?
|
|
if (box1->frame_vector[i2][1]>(y0+ y1)/2) Break;
|
|
if (box1->frame_vector[i2][1]>(5*y0+3*y1)/8) ad=99*ad/100;
|
|
MSG( fprintf(stderr,"ad %d", ad); )
|
|
if (box1->frame_vector[i2][0]<(x0+x1+1)/2) Break; // fat tiny fonts?
|
|
if (box1->frame_vector[i2][0]<(x0+2*x1)/3) ad=99*ad/100;
|
|
MSG( fprintf(stderr,"ad %d", ad); )
|
|
if (box1->frame_vector[i3][0]>(3*x0+x1)/4) Break;
|
|
if (box1->frame_vector[i3][0]>(7*x0+x1)/8) ad=99*ad/100;
|
|
MSG( fprintf(stderr,"ad %d", ad); )
|
|
/* check lowest left point */
|
|
if (box1->frame_vector[i3][1]<(y0+3*y1)/4) Break;
|
|
if (box1->frame_vector[i3][1]<(y0+7*y1)/8) ad=99*ad/100;
|
|
MSG( fprintf(stderr,"ad %d", ad); )
|
|
/* check lower leftmost point from right side */
|
|
if (box1->frame_vector[i5][0]>(x0+2*x1)/3) Break;
|
|
if (box1->frame_vector[i5][0]>(x0+ x1)/2) ad=98*ad/100;
|
|
if (box1->frame_vector[i5][0]>(2*x0+2+x1)/3) ad=99*ad/100; /* 9x10 2 */
|
|
MSG( fprintf(stderr,"ad %d", ad); )
|
|
if (box1->frame_vector[i5][1]<(3*y0+5*y1)/8) Break;
|
|
if (box1->frame_vector[i5][1]<(y0+3*y1)/4) ad=99*ad/100;
|
|
MSG( fprintf(stderr,"ad %d", ad); )
|
|
if (box1->frame_vector[i6][1]>(y0+2*y1)/3) Break;
|
|
if (box1->frame_vector[i6][1]>(y0+ y1)/2) ad=99*ad/100;
|
|
MSG( fprintf(stderr,"ad %d", ad); )
|
|
if (box1->frame_vector[i6][0]<(x0+3*x1)/4) Break;
|
|
if (box1->frame_vector[i6][0]<(x0+7*x1)/8) ad=99*ad/100;
|
|
|
|
/* check for zZ */
|
|
|
|
/* check if lower left and right points are joined directly */
|
|
ld=line_deviation(box1, i3, i4);
|
|
MSG(fprintf(stderr,"i1-i2 %d %d dist= %d/%d",i1,i2,ld,2*sq(1024/4));)
|
|
if (ld >2*sq(1024/4)) Break;
|
|
if (ld > sq(1024/4)) ad=99*ad/100;
|
|
|
|
if (box1->m3) {
|
|
if(!hchar){ ad=99*ad/100; }
|
|
if( gchar){ ad=99*ad/100; }
|
|
} else { if (ad==100) ad=99; } /* not 100% sure */
|
|
Setac(box1,'2',ad);
|
|
if (ad==100) return '2';
|
|
break;
|
|
}
|
|
// --- test 3 -------
|
|
for(ad=d=100;dx>3 && dy>4;){ // dy<=dx nicht perfekt! besser mittleres
|
|
// min-suchen fuer m
|
|
int i1, i2, i3, i4, i5, i6, i7, i8; // line derivation + corners
|
|
DBG( char c_ask='3'; )
|
|
if (sdata->holes.num > 1) Break; /* be tolerant */
|
|
if (sdata->holes.num > 0) ad=98*ad/100; /* be tolerant */
|
|
if (4*dx<dy) ad=98*ad/100; // to tall 1:2 - 1:3 is usual
|
|
// --- vector based code ---
|
|
/* half distance to the center */
|
|
d=2*sq(128/4);
|
|
/* now we check for the lower ends, must be near to the corner */
|
|
if (aa[1][2]>d/1) Break; /* [2] = distance, ~7... */
|
|
if (aa[2][2]>d/1) Break; /* [2] = distance, ~r... */
|
|
if (aa[0][2]>d/1) Break; /* [2] = distance, ~d... */
|
|
if (aa[3][2]>d/1) Break; /* [2] = distance, ~bhk... */
|
|
/*
|
|
type A B C
|
|
|
|
1OO8 1OO 1OO8
|
|
O 8 2 <- 7,8
|
|
2 2 7
|
|
1-5-> 3OO7 37 3OO
|
|
4 4 4
|
|
O 6 6 <- 6
|
|
5OO6 5OO 5OO
|
|
*/
|
|
/* rightmost point on upper left side */
|
|
i2=nearest_frame_vector(box1, aa[0][3], aa[1][3], x1, y0+3*dy/16);
|
|
/* rightmost point on lower left side */
|
|
i4=nearest_frame_vector(box1, aa[0][3], aa[1][3], x1, y1-dy/4);
|
|
/* leftmost point on middle left side */
|
|
i3=nearest_frame_vector(box1, i2, i4, x0, y0+dy/2);
|
|
/* upper leftmost vector */
|
|
i1=nearest_frame_vector(box1, aa[0][3], i2, x0-dx, (y0+y1)/2);
|
|
i5=aa[1][3]; // points to vector point in point list
|
|
i6=aa[2][3];
|
|
i8=aa[3][3];
|
|
/* leftmost point on middle right side */
|
|
i7=nearest_frame_vector(box1, i6, i8, x0 , y0+dy/2);
|
|
/* which type? ToDo: have a more sure algorithm */
|
|
if (box1->frame_vector[i7][0]>=x1- dx/4
|
|
&& box1->frame_vector[i6][0]>=x1- dx/8 // ToDo: ...
|
|
&& box1->frame_vector[i6][1]>=y1- dy/8) {
|
|
MSG(fprintf(stderr,"7-segment-type");)
|
|
} else { /* regular-book-type */
|
|
}
|
|
// ToDo: output no=(x,y)
|
|
MSG(fprintf(stderr,"i1-8 %d %d %d %d %d %d %d %d",i1,i2,i3,i4,i5,i6,i7,i8);)
|
|
// if (i5==i6) Break; // ~+
|
|
|
|
// i2 = upper left gap ) , i3 = middle left <
|
|
if (box1->frame_vector[i2][0]
|
|
-box1->frame_vector[i3][0]<dx/4) Break; // video samples
|
|
if (box1->frame_vector[i4][0]
|
|
-box1->frame_vector[i3][0]<dx/4) Break; // video samples
|
|
if (box1->frame_vector[i4][0]
|
|
-box1->frame_vector[i5][0]<dx/2) Break; // video samples
|
|
if (box1->frame_vector[i2][0]
|
|
-box1->frame_vector[i1][0]<dx/2) Break; // video samples
|
|
if (box1->frame_vector[i1][1]>y0+dy/2) Break; // not to low
|
|
if (box1->frame_vector[i1][0]>x0+dx/4+dx/16) Break; // slanted?
|
|
if (box1->frame_vector[i5][1]<y1-dy/2) Break; // not to high
|
|
if (box1->frame_vector[i5][0]>x0+dx/4) Break;
|
|
// ToDo ....
|
|
|
|
// --- pixel based old code ---
|
|
// if( get_bw(x0+dx/2,x0+dx/2,y0,y0+dy/4,box1->p,cs,1) == 0 ) Break; // ~4
|
|
// if( get_bw(x0+dx/2,x0+dx/2,y1-dy/8,y1,box1->p,cs,1) == 0 ) Break; // ~4
|
|
// if( num_cross(x0+dx/2,x0+dx/2,y0 ,y1,box1->p,cs) < 2 ) Break;
|
|
// if( num_cross(x0+dx/4,x0+dx/4,y1-dy/2,y1,box1->p,cs) == 0 ) Break;
|
|
if( get_bw(dx/2,dx/2, 0,dy/6,bp,cs,1) == 0 ) Break; // ~4
|
|
if( get_bw(dx/2,dx-1, dy/6,dy/6,bp,cs,1) == 0 ) Break; // ~j
|
|
if( get_bw(dx/2,dx/2,dy-1-dy/8,dy-1,bp,cs,1) == 0 ) Break; // ~4
|
|
if( num_cross(dx/2,dx/2,0 ,dy-1,bp,cs) < 2 // normal
|
|
&& num_cross(dx/3,dx/3,0 ,dy-1,bp,cs) < 2 ) Break; // fat LCD
|
|
if( num_cross(dx/4,dx/4,dy-1-dy/2,dy-1,bp,cs) == 0 ) Break;
|
|
if( loop(bp,dx/2, 0 ,dy,cs,0,DO)>dy/4 ) Break;
|
|
if( loop(bp,dx/2, dy-1,dy,cs,0,UP)>dy/4 ) Break;
|
|
if( loop(bp,dx-1, dy/3,dy,cs,0,LE)>dy/4 /* 3 with upper bow */
|
|
&& loop(bp,dx-1, dy/8,dy,cs,0,LE)>dy/4 /* 3 with horizontal line */
|
|
&& loop(bp,dx/4, dy/8,dy,cs,1,RI)<dy/2 ) Break;
|
|
if( loop(bp,dx-1,2*dy/3,dy,cs,0,LE)>dy/4 ) Break;
|
|
if( loop(bp,dx-1,3*dy/4,dy,cs,0,LE)>dy/2 ) Break; // ~2 Feb06
|
|
if( loop(bp,dx-1,7*dy/8,dy,cs,0,LE)>dy/2 ) Break; // ~2 Feb06
|
|
// search upper right half circle (may fail on 4x5 font)
|
|
for( i3=x=0,i1=y=dy/5;y<dy/2;y++ ){
|
|
i=loop(bp,0,y,dx,cs,0,RI);
|
|
if (i>x) { i3=x=i; i1=y; }
|
|
} i3--;
|
|
if( loop(bp,i3,i1,1,cs,0,UP)==1 ) { // find hidden gap in tiny fonts
|
|
i1--; i3+=loop(bp,i3,i1,dx,cs,0,RI)-1;
|
|
}
|
|
if (i3<dx/3 && i3+1+loop(bp,i3+1,i1,dx,cs,1,RI)<3*dx/4) Break;
|
|
if (loop(bp,dx-1,i1,dx,cs,0,LE)>1+dx/8) ad=ad*99/100; // ~1 with a pixel
|
|
// search lower right half circle
|
|
for( i4=x=0,i2=y=dy-1-dy/8;y>=dy/2;y-- ){
|
|
i=loop(bp,0,y,dx,cs,0,RI);
|
|
if( i>x ) { i4=x=i;i2=y; }
|
|
} i4--; if(i4<dx/3 && i4+1+loop(bp,i4+1,i2,dx,cs,1,RI)<3*dx/4) Break;
|
|
if (loop(bp,dx-1,i2,dx,cs,0,LE)>1+dx/8) ad=ad*99/100; // ~1 with a pixel
|
|
|
|
for( x=xa=0,ya=y=dy/4;y<3*dy/4;y++ ){ // right gap, not on LCD-font
|
|
i=loop(bp,dx-1,y,dx,cs,0,LE);
|
|
if (i>=xa) { xa=i;ya=y;x=xa+loop(bp,dx-1-xa,y,dx,cs,1,LE); }
|
|
} if (dy>3*dx) if (xa<2 && x-xa<dx/2) Break; // ~]
|
|
if (xa>1+dx/8 // noLCD
|
|
&& xa<=loop(bp,dx-1,i2,dx,cs,0,LE)) ad=ad*99/100; // ~1 with a pixel
|
|
if (xa>1+dx/8 // noLCD
|
|
&& xa<=loop(bp,dx-1,i1,dx,cs,0,LE)) ad=ad*99/100; // ~1 with a pixel
|
|
|
|
// upper left gap = (i3,i1)
|
|
// lower left gap = (i4,i2)
|
|
MSG(fprintf(stderr,"left white gaps (%d,%d) (%d,%d)",i3,i1,i4,i2);)
|
|
if( get_bw(i3,i3,i1,i2 ,bp,cs,1) != 1 ) Break; // no hor. middle line?
|
|
if( get_bw(i4,i4,i1,i2 ,bp,cs,1) != 1 ) Break;
|
|
if( get_bw(i3,i3,0 ,i1 ,bp,cs,1) != 1 ) Break; // no upper bow?
|
|
if( get_bw(i4,i4,i2,dy-1,bp,cs,1) != 1 ) Break; // no lower bow?
|
|
// hole is only allowed in beauty fonts
|
|
// if( num_hole( x0, x1, y0, y1,box1->p,cs,NULL) > 0 ) // there is no hole
|
|
// if( num_hole( x0, x0+dx/2, y0, y0+dy/2,box1->p,cs,NULL) == 0 ) // except in some beauty fonts
|
|
if (sdata->holes.num>0)
|
|
if (sdata->holes.hole[0].x1 >= dx/2 || sdata->holes.hole[0].y1 >= dy/2)
|
|
Break;
|
|
Setac(box1,(wchar_t)'3',ad);
|
|
if (ad==100) return '3';
|
|
break;
|
|
}
|
|
// --- test 4 --------------------------------------------------- 25Nov06
|
|
for(ad=d=100;dy>3 && dx>2;){ // min 3x4 ~<gA',
|
|
// rewritten for vectors 0.42
|
|
int ld, i1, i2, i3, i4, i5, i6, i7; // line derivation + corners
|
|
DBG( wchar_t c_ask='4'; )
|
|
if (sdata->holes.num > 1) Break; /* no or one hole */
|
|
/* half distance to the center */
|
|
d=2*sq(128/4); /* 2048 */
|
|
/* now we check for the lower left end, must be far away */
|
|
/* lowest is 144 for 9x10 screen font (Apr2009) */
|
|
if (aa[1][2]<d/16) { /* Apr09: d/8=256 to d/16=128 */
|
|
MSG( fprintf(stderr," low-left-dist= %d < max= %d", aa[1][2], d); )
|
|
Break; /* [2] = distance, ~ABDEF... */
|
|
}
|
|
/* searching for 4 notches between neighbouring ends */
|
|
|
|
/*
|
|
type A B C D
|
|
|
|
1 5 1 1 1
|
|
O O O O5 O5
|
|
2OO3 O 5 O O O O <- 7 6
|
|
O 2O3O 2OO3 2OO3O
|
|
4 4 4 4
|
|
|
|
y4-y3 should be significant (bigger y3-y6)?
|
|
*/
|
|
|
|
/* Warning: aa0 can be left upper or left lower point for type B */
|
|
/* get a point on the inner low left side of the J */
|
|
i =box1->num_frame_vectors[0] - 1;
|
|
/* leftmost upper point */
|
|
i1=nearest_frame_vector(box1, 0, i, x0, y0-dy);
|
|
/* lowest from leftmost vector can be very low (20/23) */
|
|
i2=nearest_frame_vector(box1, 0, i, x0-2*dx, (y0+7*y1)/8);
|
|
/* lowest vector */
|
|
i4=nearest_frame_vector(box1, 0, i, (x0+2*x1)/3, y1+dy);
|
|
/* right center crossing point */
|
|
i3=nearest_frame_vector(box1, i2, i4, x1, (3*y0+y1)/4);
|
|
/* get a point on the outer right side below top serif */
|
|
/* next local max_y-point after i4 */
|
|
i5=i4;
|
|
for (i=i4;i!=i2;i=(i+1)%box1->num_frame_vectors[0]) {
|
|
if (box1->frame_vector[ i][1]
|
|
<box1->frame_vector[i5][1]) i5=i; // get next maximum
|
|
if (box1->frame_vector[ i][1]
|
|
>box1->frame_vector[i5][1]+1) break; // break after maximum
|
|
if (box1->frame_vector[ i][0]<x0+dx/4) break; // type A B
|
|
}
|
|
if (box1->num_frames>1) { // type C D
|
|
i = box1->num_frame_vectors[0] - 1; // end outer loop
|
|
j = box1->num_frame_vectors[1] - 1; // end inner loop
|
|
if (box1->num_frames>2) { // see font2.png, 2nd one pixel hole
|
|
j = box1->num_frame_vectors[2] - 1; // end inner loop
|
|
ad=99*ad/100; // little bit unsure
|
|
}
|
|
i6=nearest_frame_vector(box1, i+1, j, x1, y1);
|
|
i7=nearest_frame_vector(box1, i+1, j, x0, y1);
|
|
if (box1->frame_vector[i1][0]
|
|
-box1->frame_vector[i2][0]<dx/4+1) ad=96*ad/100; // ~4x6q
|
|
i =nearest_frame_vector(box1, i+1, j, x0, y0); // top left
|
|
MSG(fprintf(stderr,"triangle type top-left i=%d",i);)
|
|
if (box1->frame_vector[i ][0]-x0<dx/4+1
|
|
&& box1->frame_vector[i ][1]-y0<dy/4+1
|
|
&& dx>7) ad=97*ad/100; // q
|
|
|
|
} else { // type A B
|
|
i6=nearest_frame_vector(box1, i5, i1, (x0+3*x1)/4, y1-dy/8);
|
|
i7=nearest_frame_vector(box1, i5, i1, x0 , y1-dy/8);
|
|
MSG(fprintf(stderr,"open type");)
|
|
if (box1->frame_vector[i6][1]-y0>3*dy/4
|
|
|| box1->frame_vector[i7][1]-y0>3*dy/4) ad=96*ad/100; // ~uU
|
|
}
|
|
// ToDo: output no=(x,y)
|
|
MSG(fprintf(stderr,"i1-7 %d %d %d %d %d %d %d",i1,i2,i3,i4,i5,i6,i7);)
|
|
if (i5==i6) Break; // ~+
|
|
|
|
if (box1->frame_vector[i1][1]>y0+dy/8) Break; // not to low
|
|
if (box1->frame_vector[i2][1]
|
|
-box1->frame_vector[i1][1]<dy/2) Break;
|
|
if (box1->frame_vector[i3][0]
|
|
-box1->frame_vector[i2][0]<dx/4) Break;
|
|
if (abs(box1->frame_vector[i3][1]
|
|
-box1->frame_vector[i2][1])>dy/4) Break;
|
|
if (box1->frame_vector[i2][0]>x0+dx/8) Break;
|
|
if (box1->frame_vector[i2][1]>y1-dy/8) Break;
|
|
if (box1->frame_vector[i4][1]
|
|
-box1->frame_vector[i2][1]<dy/8) Break;
|
|
if (box1->frame_vector[i4][1]
|
|
-box1->frame_vector[i2][1]<dy/6) ad=99*ad/100;
|
|
/* min. distance of the horizontal bar to the ground */
|
|
/* y4-y3 should be significant (bigger y3-y6)? */
|
|
if (box1->frame_vector[i4][1]
|
|
-box1->frame_vector[i3][1]<1+dy/16) Break;
|
|
if ((box1->frame_vector[i4][1]
|
|
-box1->frame_vector[i3][1])*2<=
|
|
(box1->frame_vector[i3][1]
|
|
-box1->frame_vector[i6][1])) Break; // 090728 gas_meter (flat-ulike)
|
|
if ((box1->frame_vector[i4][1]
|
|
-box1->frame_vector[i3][1])<
|
|
(box1->frame_vector[i3][1]
|
|
-box1->frame_vector[i6][1])) ad=99*ad/100;
|
|
if (box1->frame_vector[i4][1]
|
|
-box1->frame_vector[i3][1]<dy/6) ad=99*ad/100; /* tall chars */
|
|
if (box1->frame_vector[i4][1]
|
|
-box1->frame_vector[i3][1]<dy/8) ad=99*ad/100;
|
|
if (box1->frame_vector[i4][1]<y1-1-dy/8) Break;
|
|
if (box1->frame_vector[i3][0]<x0+dx/4) Break;
|
|
if (box1->frame_vector[i3][0]<x0+dx/2) ad=98*ad/100;
|
|
/* on very tall chars the i3 point can be near to the groundline */
|
|
if (box1->frame_vector[i3][1]>y1-1) Break;
|
|
if (box1->frame_vector[i3][1]>y1-dy/16) Break;
|
|
if (box1->frame_vector[i3][1]>=y1) Break; // ~5x5#
|
|
if (box1->frame_vector[i5][0]<x0+dx/3) Break;
|
|
/* upper end of right vertical line */
|
|
if (box1->frame_vector[i5][1]>y0+2*dy/3) Break;
|
|
if (box1->frame_vector[i6][1]
|
|
-box1->frame_vector[i5][1]<1+dy/16) Break;
|
|
if (box1->frame_vector[i6][0]<x0+dx/3) Break;
|
|
if (box1->frame_vector[i7][0]>x0+dx/2) Break;
|
|
if (box1->frame_vector[i7][0]>x0+dx/3) ad=ad*99/100;
|
|
if (box1->frame_vector[i6][1]<y0+dy/3) Break;
|
|
if (box1->frame_vector[i6][0]<x0+dx/2) ad=96*ad/100; // ~ 42
|
|
if (box1->frame_vector[i6][0]<aa[2][0]-dx/2
|
|
&& aa[2][1]>=y1-1-dy/8) ad=96*ad/100; // ~ 42
|
|
if (box1->frame_vector[i7][1]<y0+dy/3) Break;
|
|
if (abs(box1->frame_vector[i3][1]
|
|
-box1->frame_vector[i2][1])>dy/4) Break;
|
|
|
|
/* check if upper left and lower left points are joined directly */
|
|
ld=line_deviation(box1, i1, i2);
|
|
MSG(fprintf(stderr," i1-i2 %d %d dist= %d/%d",i1,i2,ld,2*sq(1024/4));)
|
|
if (ld >2*sq(1024/4)) Break;
|
|
/* check if lower right and upper right points are joined directly */
|
|
ld=line_deviation(box1, i2, i3);
|
|
MSG(fprintf(stderr," i2-i3 %d %d dist= %d/%d",i2,i3,ld,2*sq(1024/4));)
|
|
if (ld > sq(1024/4)) Break;
|
|
/* check if lower right and upper right points are joined directly */
|
|
ld=line_deviation(box1, i3, i4);
|
|
MSG(fprintf(stderr," i3-i4 %d %d dist= %d/%d",i3,i4,ld,2*sq(1024/4));)
|
|
if (ld > sq(1024/4)) Break;
|
|
/* check if lower right and upper right points are joined directly */
|
|
ld=line_deviation(box1, i6, i7);
|
|
MSG(fprintf(stderr," i6-i7 %d %d dist= %d/%d",i6,i7,ld,2*sq(1024/4));)
|
|
if (ld >2*sq(1024/4)) Break;
|
|
|
|
// 4 exists as gchar and ~gchar
|
|
if(!hchar){ ad=99*ad/100; }
|
|
Setac(box1,'4',ad);
|
|
break;
|
|
}
|
|
#ifdef Old_pixel_based
|
|
// --- old test 4 pixelbased ------- remove!
|
|
for(ad=d=100;dx>3 && dy>5;){ // dy>dx, min 4x6 font
|
|
DBG( char c_ask='4'; )
|
|
if (sdata->holes.num > 2) Break; /* be tolerant */
|
|
if (sdata->holes.num > 1) ad=97*ad/100;
|
|
// upper raising or vertical line
|
|
if( loop(bp,0 ,3*dy/16,dx,cs,0,RI)
|
|
< loop(bp,0 ,2*dy/4 ,dx,cs,0,RI)-dx/8 ) Break;
|
|
// search for a vertical line on lower end
|
|
for (y=0;y<dy/4;y++)
|
|
if( loop(bp,0 ,dy-1-y,dx,cs,0,RI)
|
|
+ loop(bp,dx-1,dy-1-y,dx,cs,0,LE) >= dx/2 ) break;
|
|
if (y>=dy/4) Break;
|
|
if( loop(bp,0 ,dy-1-dy/8,dx,cs,0,RI) < dx/4 ) Break;
|
|
// --- follow line from (1,0) to (0,.7)
|
|
y=0; x=loop(bp,0,0,dx,cs,0,RI);
|
|
if (x<=dx/4) { // ocr-a-4
|
|
i=loop(bp,0,dy/4,dx,cs,0,RI); if (i>dx/4) Break;
|
|
i=loop(bp,i,dy/4,dx,cs,1,RI); if (i>dx/2) Break;
|
|
j=loop(bp,i,dy/4,dy,cs,0,DO)+dy/4; if (j>7*dy/8) Break;
|
|
}
|
|
turmite(bp,&x,&y,0,dx-1,0,dy-1,cs,DO,LE); if( x>=0 ) Break;
|
|
|
|
y=loop(bp,0,0,dy,cs,0,DO);
|
|
if( (y+loop(bp,0,y,dy,cs,1,DO)) < dy/2 ) Break;
|
|
if( get_bw(x0 , x0+3*dx/8, y1-dy/7, y1-dy/7,box1->p,cs,1) == 1 ) Break;
|
|
if( get_bw(x0+dx/2, x1 , y1-dy/3, y1-dy/3,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x0+dx/2, x0+dx/2, y0+dy/3, y1-dy/5,box1->p,cs,1) != 1 ) Break;
|
|
i=loop(bp,bp->x-1, bp->y/4,dx,cs,0,LE);
|
|
if( i > loop(bp,bp->x-1,2*bp->y/4,dx,cs,0,LE)+1
|
|
&& i > loop(bp,bp->x-1,3*bp->y/8,dx,cs,0,LE)+1 ) Break;
|
|
if (loop(bp,0,0,dx,cs,0,RI)>dx/4) {
|
|
for(i=dx/8+1,x=0;x<dx && i;x++){
|
|
if( num_cross(x ,x ,0 ,dy-1, bp,cs) == 2 ) i--;
|
|
} if( i ) Break;
|
|
}
|
|
for(i=dy/6+1,y=dy/4;y<dy && i;y++){
|
|
if( num_cross(0 ,dx-1,y ,y , bp,cs) == 2 ) i--;
|
|
} if( dy>15 && i ) Break;
|
|
for(i=dy/10+1,y=dy-1-dy/4;y<dy && i;y++){
|
|
if( num_cross(0 ,dx-1,y ,y , bp,cs) == 1 )
|
|
if( num_cross(dx/2,dx-1,y ,y , bp,cs) == 1 ) i--;
|
|
} if( i ) Break;
|
|
// i4 = num_hole ( x0, x1, y0, y1,box1->p,cs,NULL);
|
|
// ToDo:
|
|
// - get start and endpoint of left edge of left vert. line
|
|
// and check if that is an streight line
|
|
// - check the right edge of the inner hole (if there) too
|
|
i4 = sdata->holes.num;
|
|
if (sdata->holes.num >0) { // ~q
|
|
i = loop(bp,0,dy/16,dx,cs,0,RI);
|
|
if (i < dx/3) Break;
|
|
if (i < dx/2) ad=98*ad/100; // hole?
|
|
if ( loop(bp, 0,dy-1,dy,cs,0,UP)
|
|
-loop(bp,dx/8+1,dy-1,dy,cs,0,UP)>dy/16) ad=97*ad/100;
|
|
}
|
|
// thickness of left vertical line
|
|
for (j=y=0;y<dy/6;y++) {
|
|
i=loop(bp,dx-1 ,y,dx,cs,0,LE);
|
|
i=loop(bp,dx-1-i,y,dx,cs,1,LE); if (i>j) j=i;
|
|
}
|
|
if (j>=dx/2) ad=98*ad/100; // ~q handwritten a (or very thinn 4)
|
|
// ToDo: check y of masscenter of the hole q4
|
|
|
|
if( i4 ) if( dx > 15 )
|
|
if( loop(bp, dx/2, 0,dy,cs,0,DO)<dy/16
|
|
&& loop(bp, dx/4, 0,dy,cs,0,DO)<dy/8
|
|
&& loop(bp,3*dx/4, 0,dy,cs,0,DO)<dy/8
|
|
&& loop(bp, dx/4,dy-1,dy,cs,0,UP)<dy/8
|
|
&& loop(bp, dx/2,dy-1,dy,cs,0,UP)<dy/8
|
|
&& loop(bp,3*dx/4,dy-1,dy,cs,0,UP)<dy/4 ) Break; // ~9
|
|
|
|
i =loop(bp,dx-1 ,dy-1,dx,cs,0,LE); // ~9
|
|
i+=loop(bp,dx-1-i,dy-1,dx,cs,1,LE);
|
|
if( i>3*dx/4
|
|
&& i-loop(bp,dx-1,dy-1-dy/8,dx,cs,0,LE)>dx/4 ) Break;
|
|
|
|
i =loop(bp,dx-1-dx/4,dy-1,dx,cs,0,UP);
|
|
if (i> dy/2) ad=97*ad/100;
|
|
if (i>3*dy/4) ad=97*ad/100; /* handwritten n */
|
|
|
|
if( num_cross(0 ,dx-1,dy/16 ,dy/16 , bp,cs) == 2 // ~9
|
|
&& loop(bp,dx-1,dy/16 ,dx,cs,0,LE)>
|
|
loop(bp,dx-1,dy/16+1+dy/32,dx,cs,0,LE) ) Break;
|
|
if ( !hchar) ad=99*ad/100;
|
|
if (gchar && !hchar) ad=98*ad/100; // ~q
|
|
Setac(box1,(wchar_t)'4',ad);
|
|
if (ad>99) bc='4';
|
|
break;
|
|
}
|
|
#endif
|
|
// --- test 6 ------- ocr-a-6 looks like a b :(
|
|
for(ad=d=100;dx>3 && dy>4;){ // dy>dx
|
|
DBG( char c_ask='6'; )
|
|
if (sdata->holes.num > 2) Break; /* be tolerant */
|
|
if( loop(bp, 0, dy/4,dx,cs,0,RI)>dx/2 // ocr-a=6
|
|
&& loop(bp,dx-1, 0,dy,cs,0,DO)>dy/4 ) Break; // italic-6
|
|
if( loop(bp, 0, dy/2,dx,cs,0,RI)>dx/4 ) Break;
|
|
if( loop(bp, 0,3*dy/4,dx,cs,0,RI)>dx/4 ) Break;
|
|
if( loop(bp,dx-1,3*dy/4,dx,cs,0,LE)>dx/2 ) Break;
|
|
if( num_cross(x0+ dx/2,x0+ dx/2,y0 ,y1 ,box1->p,cs) != 3
|
|
&& num_cross(x0+5*dx/8,x0+5*dx/8,y0 ,y1 ,box1->p,cs) != 3 ) {
|
|
if( num_cross(x0+ dx/2,x0+ dx/2,y0+dy/4,y1 ,box1->p,cs) != 2
|
|
&& num_cross(x0+5*dx/8,x0+5*dx/8,y0+dy/4,y1 ,box1->p,cs) != 2 ) Break;
|
|
// here we have the problem to decide between ocr-a-6 and b
|
|
if ( loop(box1->p,(x0+x1)/2,y0,dy,cs,0,DO)<dy/2 ) Break;
|
|
ad=99*ad/100;
|
|
} else {
|
|
if (loop(box1->p,x0+dx/2,y0,dx,cs,0,DO)>dy/8
|
|
&& loop(box1->p,x1-dx/4,y0,dx,cs,0,DO)>dy/8 ) Break;
|
|
}
|
|
if( num_cross(x0 ,x1 ,y1-dy/4,y1-dy/4,box1->p,cs) != 2 ) Break;
|
|
for( y=y0+dy/6;y<y0+dy/2;y++ ){
|
|
x =loop(box1->p,x1 ,y ,dx,cs,0,LE); if( x>dx/2 ) break;
|
|
x+=loop(box1->p,x1-x+1,y-1,dx,cs,0,LE); if( x>dx/2 ) break;
|
|
} if( y>=y0+dy/2 ) Break;
|
|
if (loop(box1->p,x0,y1-dy/3,dx,cs,0,RI)>dx/4 ) Break;
|
|
if (loop(box1->p,x1,y1-dy/3,dx,cs,0,LE)>dx/4 ) Break;
|
|
|
|
if (sdata->holes.num != 1) Break;
|
|
if (sdata->holes.hole[0].y1 < dy/2) ad=95*ad/100; // whats good for?
|
|
if (sdata->holes.hole[0].y0 < dy/4) Break;
|
|
MSG( fprintf(stderr,"hole[0].x0,x1 %d %d", sdata->holes.hole[0].x0,
|
|
sdata->holes.hole[0].x1); )
|
|
if (sdata->holes.hole[0].x0<1
|
|
&& dx-1-sdata->holes.hole[0].x1>2) ad=ad*99/100; // melted serif sS ?
|
|
if (loop(box1->p,x0,y0+dy/2,dx,cs,0,RI)>0
|
|
&& loop(box1->p,x0,y0+dy/4,dx,cs,0,RI)==0
|
|
&& loop(box1->p,x0,y1-dy/4,dx,cs,0,RI)==0) ad=97*ad/100; // molten serif sS
|
|
// if( num_hole ( x0, x1, y0, y0+dy/2,box1->p,cs,NULL) > 0 ) ad=95*ad/100;
|
|
// if( num_hole ( x0, x1, y0+dy/4, y1,box1->p,cs,NULL) != 1 ) Break;
|
|
// if( num_hole ( x0, x1, y0 , y1,box1->p,cs,NULL) != 1 ) Break;
|
|
// out_x(box1); printf(" x0 y0 %d %d\n",x0,y0);
|
|
/* check left vertical bow */
|
|
i1=loop(bp,0,dy/8 ,dx,cs,0,RI);
|
|
i3=loop(bp,0,dy-1-dy/8,dx,cs,0,RI);
|
|
i2=loop(bp,0,dy/2 ,dx,cs,0,RI);
|
|
if(i1+i3-2*i2<-2-dx/16 && i1+i2+i3>0) Break; // convex from left
|
|
if(i1+i3-2*i2<1 && i1+i2+i3>0) ad=99*ad/100; // 7-segment-font
|
|
for( x=dx,y=0;y<dy/4;y++ ){ // ~ b (serife?)
|
|
i1=loop(bp, 0,y,dx,cs,0,RI);
|
|
i2=loop(bp,i1,y,dx,cs,1,RI);
|
|
if (i2+i1>dx/2 && i2>dx/4) break; /* its a 6 (example: 7-segment) */
|
|
if (i1<x) x=i1; else if (i1>x) break; /* may be serifen b */
|
|
} if (y<dy/4 && i1+i2<=dx/2) Break;
|
|
// ~& (with open upper loop)
|
|
for( i=0,y=dy/2;y<dy;y++){
|
|
if( num_cross(dx/2,dx-1,y,y,bp,cs) > 1 ) i++; if( i>dy/8 ) break;
|
|
} if( y<dy ) Break;
|
|
if ( gchar) ad=99*ad/100;
|
|
if (!hchar) ad=98*ad/100;
|
|
if ( box1->dots ) ad=98*ad/100;
|
|
Setac(box1,(wchar_t)'6',ad);
|
|
bc='6';
|
|
break;
|
|
}
|
|
// --- test 7 ---------------------------------------------------
|
|
for(ad=d=100;dx>2 && dy>4;){ // dx>1 dy>2*dx
|
|
DBG( char c_ask='7'; )
|
|
if (sdata->holes.num > 1) Break; /* be tolerant */
|
|
if( loop(bp,dx/2,0,dy,cs,0,DO)>dy/8 ) Break;
|
|
if( num_cross(0,dx-1,3*dy/4,3*dy/4,bp,cs) != 1 ) Break; // preselect
|
|
for( yb=xb=y=0;y<dy/2;y++){ // upper h-line and gap
|
|
j=loop(bp,0,y,dx,cs,0,RI);if(xb>0 && j>dx/4) break; // gap after h-line
|
|
j=loop(bp,j,y,dx,cs,1,RI);if(j>xb){ xb=j;yb=y; } // h-line
|
|
} if( xb<dx/4 || y==dy/2 ) Break;
|
|
j=loop(bp,0,dy/2,dx,cs,0,RI);
|
|
j=loop(bp,j,dy/2,dx,cs,1,RI); if(xb<2*j) Break; // minimum thickness
|
|
for(x=0,y+=dy/16;y<dy;y++){ // one v-line?
|
|
if( num_cross(0,dx-1,y,y,bp,cs) != 1 ) break;
|
|
j=loop(bp,dx-1,y,dx,cs,0,LE); if( j<x ) break; if( j-1>x ) x=j-1;
|
|
} if( y<dy || x<dx/3 ) {
|
|
MSG( fprintf(stderr,"xy= %d %d",x,y); )
|
|
Break;
|
|
}
|
|
j =loop(bp,dx-1,0,dy,cs,0,DO); // ~T
|
|
j+=loop(bp,dx-1,j,dy,cs,1,DO)+dy/16;
|
|
i =loop(bp,dx-1,j,dx,cs,0,LE); if(j<dy/2) {
|
|
if (i>j) Break;
|
|
j=loop(bp, 0,j,dx,cs,0,RI);
|
|
if(j>dx/4 && j<=i+dx/16) Break; // tall T
|
|
}
|
|
|
|
MSG( fprintf(stderr,"7: ad= %d",ad); )
|
|
if( loop(bp, 0,3*dy/8,dx,cs,0,RI)
|
|
<=loop(bp,dx-1,3*dy/8,dx,cs,0,LE)+dx/8 ) ad=ad*98/100; // l
|
|
MSG( fprintf(stderr,"7: ad= %d",ad); )
|
|
if( num_cross(0,dx-1,dy/4,dy/4,bp,cs) == 1
|
|
&& loop(bp,0,dy/4,dx,cs,0,RI) < dx/2 ) ad=ad*96/100; // J
|
|
MSG( fprintf(stderr,"7: ad= %d",ad); )
|
|
|
|
if (box1->m3 && dy<box1->m3-box1->m2) ad=99*ad/100; // too small
|
|
if (box1->m3 && 2*dy<box1->m3-box1->m2) ad=96*ad/100; // too small
|
|
if (dy>3*dx) ad=99*ad/100; // )
|
|
if ( gchar) ad=99*ad/100; // J
|
|
if (!hchar) ad=99*ad/100;
|
|
Setac(box1,(wchar_t)'7',ad);
|
|
break;
|
|
}
|
|
// --- test 8 ---------------------------------------------------
|
|
// last change: May15th,2000 JS
|
|
for(ad=d=100;dx>2 && dy>4;){ // or we need large height
|
|
DBG( char c_ask='8'; )
|
|
if (sdata->holes.num != 2) Break;
|
|
if( num_cross(x0,x1,y0 +dy/4,y0 +dy/4,box1->p,cs) != 2 ) Break; // ~gr (glued)
|
|
if( num_cross(x0,x1,y1 -dy/4,y1 -dy/4,box1->p,cs) != 2
|
|
&& num_cross(x0,x1,y1-3*dy/8,y1-3*dy/8,box1->p,cs) != 2 ) Break;
|
|
if( get_bw(x0,x0+dx/4,y1-dy/4,y1-dy/4,box1->p,cs,1) == 0 ) Break; // ~9
|
|
if( get_bw(x0,x0+dx/2,y0+dy/4,y0+dy/4,box1->p,cs,1) == 0 ) Break;
|
|
if( get_bw(x0+dx/2,x0+dx/2,y0+dy/4,y1-dy/4,box1->p,cs,1) == 0 ) Break; // ~0
|
|
// MSG( printf(" x0 y0 %d %d\n",x0,y0); )
|
|
for( i2=i1=x=0,i=y=y0+dy/3;y<=y1-dy/3;y++){ // check left middle nick
|
|
j=loop(box1->p,x0,y,dx,cs,0,RI);
|
|
if (j>x || (abs(j-x)<=dx/8 /* care about MICR E-13B font */
|
|
&& (i1=loop(box1->p,x0+j,y,dx,cs,1,RI))>dx/2)) {
|
|
if (j>x) x=j; i=y; if (i1>i2) i2=i1; }
|
|
} if(i>=y1-dy/3 || (x<dx/8 && i2<=dx/2) || x>dx/2) Break; // no gB
|
|
if (x< dx/4) ad=99*ad/100; // no B
|
|
if (x<=dx/8) ad=98*ad/100; // no B
|
|
j = loop(box1->p,x1,y1- dy/4,dx,cs,0,LE);
|
|
if( j>loop(box1->p,x1,y1- dy/5,dx,cs,0,LE)
|
|
&& j>loop(box1->p,x1,y1-2*dy/5,dx,cs,0,LE) ) Break; // &
|
|
// check for upper hole
|
|
for (j=0;j<sdata->holes.num;j++) {
|
|
if (sdata->holes.hole[j].y1 < i-y0+1 ) break;
|
|
if (sdata->holes.hole[j].y1 < i-y0+dy/8) break;
|
|
} if (j==sdata->holes.num) Break; // not found
|
|
// if( num_hole(x0,x1,y0,i+1 ,box1->p,cs,NULL)!=1 )
|
|
// if( num_hole(x0,x1,y0,i+dy/8,box1->p,cs,NULL)!=1 ) Break; // upper hole
|
|
// check for lower hole
|
|
for (j=0;j<sdata->holes.num;j++) {
|
|
if (sdata->holes.hole[j].y0 > i-y0-1 ) break;
|
|
} if (j==sdata->holes.num) Break; // not found
|
|
// if( num_hole(x0,x1,i-1,y1,box1->p,cs,NULL)!=1 ) Break;
|
|
i1=i; // left middle nick
|
|
/* find the middle right nick */
|
|
for( x=0,i2=i=y=y0+dy/3;y<=y1-dy/3;y++){
|
|
j=loop(box1->p,x1,y,dx,cs,0,LE); if( j>=x ) i2=y;
|
|
/* we care also for 7-segment and unusual fonts */
|
|
if (j>x || (abs(j-x)<=(dx+4)/8
|
|
&& loop(box1->p,x1-j,y,dx,cs,1,LE)>dx/2)){
|
|
if (j>x) x=j; i=y; }
|
|
// MSG(fprintf(stderr," yjix %d %d %d %d %d %d",y-y0,j,i-y0,x,loop(box1->p,x1-j,y,dx,cs,1,LE),dx/2);)
|
|
}
|
|
if( i>y0+dy/2+dy/10 ) Break;
|
|
// if( x<dx/8 ) Break;
|
|
if( x>dx/2 ) Break;
|
|
MSG(fprintf(stderr,"center bar at y= %d %d x=%d+%d i1=%d",i-y0,i2-y0,x,j,i1);)
|
|
if( num_cross(x0,x1, i , i ,box1->p,cs) != 1
|
|
&& num_cross(x0,x1, i+1 , i+1 ,box1->p,cs) != 1
|
|
&& num_cross(x0,x1,(i+i2)/2,(i+i2)/2,box1->p,cs) != 1 ) Break; // no g
|
|
if(abs(i1-i)>(dy+5)/10) ad=99*ad/100; // y-distance right-left-nick
|
|
if(abs(i1-i)>(dy+4)/8) ad=99*ad/100; // y-distance right-left-nick
|
|
if(abs(i1-i)>(dy+2)/4) Break;
|
|
// ~B ff
|
|
for(i=dx,y=0;y<dy/8+2;y++){
|
|
j=loop(bp,0,y,dx,cs,0,RI); if( j<i ) i=j; if( j>i+dx/16 ) break;
|
|
} if( y<dy/8+2 ) Break;
|
|
for(i=dx,y=0;y<dy/8+2;y++){
|
|
j=loop(bp,0,dy-1-y,dx,cs,0,RI);
|
|
if( j<i ) i=j; if( j>i+dx/16 ) break;
|
|
} if( y<dy/8+2 ) Break;
|
|
if( dy>16 && num_cross(0,dx-1,dy-1,dy-1,bp,cs) > 1
|
|
&& loop(bp,0,dy-1,dx,cs,0,RI) <dx/8+1 ) Break; // no fat serif S
|
|
for( i=0,y=dy/2;y<dy;y++){
|
|
if( num_cross(0,dx-1,y,y,bp,cs) > 2 ) i++; if( i>dy/8 ) break;
|
|
} if( y<dy ) Break;
|
|
if ( loop(bp,dx-1,0,dx,cs,0,LE)==0 ) ad=99*ad/100;
|
|
if (num_cross( 0,dx-1,dy-1,dy-1,bp,cs) > 1) ad=98*ad/100; // &
|
|
if (num_cross(dx-1,dx-1,dy/2,dy-1,bp,cs) > 1) ad=98*ad/100; // &
|
|
if (num_cross( 0,dx-1, 0, 0,bp,cs) > 1) ad=98*ad/100;
|
|
if (dy>15)
|
|
if (num_cross( 0,dx-1, 1, 1,bp,cs) > 1) ad=98*ad/100;
|
|
/* if m1..4 is unsure ignore hchar and gchar ~ga */
|
|
if (!hchar) {
|
|
if ((box1->m2-box1->y0)*8>=dy) ad=98*ad/100;
|
|
else ad=99*ad/100;
|
|
}
|
|
if ( gchar
|
|
&& (box1->y1-box1->m3)*8>=dy) ad=99*ad/100;
|
|
Setac(box1,(wchar_t)'8',ad);
|
|
break;
|
|
}
|
|
// --- test 9 \it g ---------------------------------------------------
|
|
/*
|
|
*
|
|
* lcd micr round
|
|
* ooo ooo ooo
|
|
* o o o o o o
|
|
* ooo ooo ooo
|
|
* o o o
|
|
* ooo o o
|
|
*/
|
|
for(ad=d=100;dx>2 && dy>4;){ // dx>1 dy>2*dx
|
|
DBG( char c_ask='9'; )
|
|
if (sdata->holes.num > 1) Break;
|
|
if( num_cross(x0+ dx/2,x0+ dx/2,y0,y1-dy/4,box1->p,cs) != 2 // pre select
|
|
&& num_cross(x0+ dx/2,x0+ dx/2,y0, y1,box1->p,cs) != 3 // pre select
|
|
&& num_cross(x0+3*dx/8,x0+3*dx/8,y0,y1,box1->p,cs) != 3
|
|
&& num_cross(x0+ dx/4,x1 -dx/4,y0,y1,box1->p,cs) != 3 ) Break;
|
|
if( num_cross(x0+ dx/2,x0 +dx/2,y0,y0+dy/4,box1->p,cs) < 1 ) Break;
|
|
if( num_cross(x0+ dx/2,x1, y0+dy/2 ,y0+dy/2,box1->p,cs) < 1 ) Break;
|
|
if( num_cross(x0,x1, y0+ dy/4 ,y0+ dy/4,box1->p,cs) != 2
|
|
&& num_cross(x0,x1, y0+3*dy/8 ,y0+3*dy/8,box1->p,cs) != 2 ) Break;
|
|
if( num_cross(x1-dx/8,x1,y0+dy/4,y0+dy/4,box1->p,cs) == 0) ad=ad*97/100; // ~4
|
|
for( x=0,i=y=y0+dy/2;y<=y1-dy/4;y++){ // find notch (suche kerbe)
|
|
j=loop(box1->p,x0,y,dx,cs,0,RI);
|
|
if( j>x ) { x=j; i=y; }
|
|
} if (x<1 || x<dx/8) Break; y=i;
|
|
// fprintf(stderr," debug 9: %d %d\n",x,i-y0);
|
|
if( x<dx/2 ) { /* big bow? */
|
|
j=loop(box1->p,x0+x-1,y,dy/8+1,cs,0,DO)/2; y=i=y+j;
|
|
j=loop(box1->p,x0+x-1,y,dx/2 ,cs,0,RI); x+=j;
|
|
if (x<dx/2) Break;
|
|
}
|
|
// check for the right lower bow
|
|
MSG( fprintf(stderr,"bow-y0= %d",i-y0); )
|
|
if (dx>5)
|
|
if( num_cross(x0+dx/2,x1,i,y1 ,box1->p,cs) != 1 /* fails on 5x8 */
|
|
&& num_cross(x0+dx/2,x1,i,y1-dy/8,box1->p,cs) != 1 ) Break;
|
|
if( num_cross(x0+dx/2,x0+dx/2,i,y1,box1->p,cs) > 1 ) Break;
|
|
if( num_cross(x0+dx/2,x1 ,i, i,box1->p,cs) != 1 ) Break;
|
|
|
|
if (sdata->holes.num < 1) { /* happens for 5x7 font */
|
|
if (dx<8) ad=98*ad/100; else Break; }
|
|
else {
|
|
if (sdata->holes.hole[0].y1 >= i+1) Break;
|
|
if (sdata->holes.hole[0].y0 > i-1) Break;
|
|
if (sdata->holes.num > 1)
|
|
if (sdata->holes.hole[1].y0 > i-1) Break;
|
|
// if( num_hole(x0,x1,y0,i+1,box1->p,cs,NULL)!=1 ) Break;
|
|
// if( num_hole(x0,x1,i-1,y1,box1->p,cs,NULL)!=0 ) Break;
|
|
}
|
|
if( loop(box1->p,x0,y1 ,dy,cs,0,RI)>dx/3 &&
|
|
loop(box1->p,x0,y1-1,dy,cs,0,RI)>dx/3
|
|
&& (box1->m3==0 || (box1->m3!=0 && (!hchar || gchar)))) ad=98*ad/100; // no q OR ocr-a-9
|
|
for( x=0,i=y=y0+dy/3;y<=y1-dy/3;y++){ // suche kerbe
|
|
j=loop(box1->p,x1,y,dx,cs,0,LE);
|
|
if( j>x ) { x=j; i=y; }
|
|
} if( x>dx/2 ) Break; // no g
|
|
i1=loop(bp,dx-1,dy/8 ,dx,cs,0,LE); if(i1>dx/2) Break;
|
|
i3=loop(bp,dx-1,dy-1-dy/8,dx,cs,0,LE);
|
|
i2=loop(bp,dx-1,dy/2 ,dx,cs,0,LE); if(i1+i3-2*i2<-1-dx/16) Break; // konvex
|
|
i1=loop(bp,dx-1,dy/4 ,dx,cs,0,LE); if(i1>dx/2) Break;
|
|
i3=loop(bp,dx-1,dy-1-dy/8,dx,cs,0,LE);
|
|
for(y=dy/4;y<dy-1-dy/4;y++){ // may fail on type=round
|
|
i2=loop(bp,dx-1,y,dx,cs,0,LE);
|
|
// konvex from right ~g ~3 Jul09
|
|
if(i2>i1+(i3-i1)*(2*y-dy/2)/dy+dx/16) break;
|
|
// MSG(fprintf(stderr," y i2 %d %d %d",y,i2,i1+(i3-i1)*(2*y-dy/2)/dy);)
|
|
} if(y<dy-1-dy/4) Break;
|
|
x=loop(bp,dx -1,6*dy/8,dx,cs,0,LE); if(x>0){
|
|
x--; // robust
|
|
y=loop(bp,dx-x-1, dy-1,dy,cs,0,UP);
|
|
if(y<dy/8) Break; // ~q (serif!)
|
|
}
|
|
// check for agglutinated serif y
|
|
if (dy>=16 && dx>9
|
|
&& loop(bp, 0,dy/ 4,dx,cs,0,RI)
|
|
-loop(bp, 0,dy/16,dx,cs,0,RI)>dx/6
|
|
&& loop(bp,dx-1,dy/ 4,dx,cs,0,LE)
|
|
-loop(bp,dx-1,dy/16,dx,cs,0,LE)>dx/6) Break; // ~ serif yY
|
|
|
|
if (box1->m3) {
|
|
if ( gchar) ad=99*ad/100; /* unsure (italic g)? */
|
|
if (box1->m2 && (!gchar) && y1 > box1->m3){
|
|
ad=99*ad/100;
|
|
if (box1->m4-box1->m3<3) ad=99*ad/100;
|
|
// if (!hchar) ad = 99*ad/100;
|
|
}
|
|
if (!hchar) ad=99*ad/100; /* unsure */
|
|
} else { if (ad==100) ad=99; } /* not 100% sure */
|
|
Setac(box1,(wchar_t)'9',ad);
|
|
break;
|
|
}
|
|
// 0 is same as O !?
|
|
// --- test 0 (with one big hole in it ) -----------------------------
|
|
for(d=ad=100;dx>2 && dy>3;){ // min 3x4
|
|
DBG( char c_ask='0'; )
|
|
if (sdata->holes.num > 1) Break; /* be tolerant */
|
|
if( get_bw(x0 , x0+dx/3,y0+dy/2 , y0+dy/2,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x1-dx/3 , x1 ,y0+dy/2 , y0+dy/2,box1->p,cs,1) != 1 ) Break;
|
|
/* could be an O, unless we find a dot in the center */
|
|
if( get_bw(x0 , x1 ,y0+dy/2 , y0+dy/2,box1->p,cs,1) != 3 ) ad=99;
|
|
if( get_bw(x0+dx/2 , x0+dx/2,y1-dy/3 , y1,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x0+dx/2 , x0+dx/2,y0 , y0+dy/3,box1->p,cs,1) != 1 ) Break;
|
|
/* accept 0 with dot in center, accept \/0 too ... */
|
|
if( get_bw(x0+dx/2 , x0+dx/2,y0+dy/3 , y1-dy/3,box1->p,cs,1) != 0 ) Break;
|
|
|
|
if( num_cross(x0+dx/2,x0+dx/2,y0 , y1 ,box1->p,cs) != 2 ) Break;
|
|
if( num_cross(x0+dx/3,x1-dx/3,y0 , y0 ,box1->p,cs) != 1 ) // AND
|
|
if( num_cross(x0+dx/3,x1-dx/3,y0+1 , y0+1 ,box1->p,cs) != 1 ) Break;
|
|
if( num_cross(x0+dx/3,x1-dx/3,y1 , y1 ,box1->p,cs) != 1 ) // against "rauschen"
|
|
if( num_cross(x0+dx/3,x1-dx/3,y1-1 , y1-1 ,box1->p,cs) != 1 ) Break;
|
|
if( num_cross(x0 ,x0 ,y0+dy/3 , y1-dy/3,box1->p,cs) != 1 )
|
|
if( num_cross(x0+1 ,x0+1 ,y0+dy/3 , y1-dy/3,box1->p,cs) != 1 ) Break;
|
|
if( num_cross(x1 ,x1 ,y0+dy/3 , y1-dy/3,box1->p,cs) != 1 )
|
|
if( num_cross(x1-1 ,x1-1 ,y0+dy/3 , y1-dy/3,box1->p,cs) != 1 ) Break;
|
|
// if( num_hole(x0,x1,y0,y1,box1->p,cs,NULL) != 1 ) Break;
|
|
if (sdata->holes.num != 1) Break;
|
|
|
|
i= loop(bp,0 ,0 ,x1-x0,cs,0,RI)-
|
|
loop(bp,0 ,2 ,x1-x0,cs,0,RI);
|
|
if (i<0) Break;
|
|
if (i==0) {
|
|
if (loop(bp,dx-1,0 ,x1-x0,cs,0,LE)>
|
|
loop(bp,dx-1,2 ,x1-x0,cs,0,LE) ) ad=98*ad/100;
|
|
ad=99*ad/100; /* LCD-type? */
|
|
}
|
|
|
|
x=loop(bp,dx-1,dy-1-dy/3,x1-x0,cs,0,LE); // should be minimum
|
|
for (y=dy-1-dy/3;y<dy;y++){
|
|
i=loop(bp,dx-1,y,x1-x0,cs,0,LE);
|
|
if (i<x-dx/16-1) break; if (i>x) x=i;
|
|
}
|
|
if( y<dy ) Break;
|
|
|
|
// ~D (but ocr-a-font)
|
|
i= loop(bp, 0, dy/16,dx,cs,0,RI)
|
|
+ loop(bp, 0,dy-1-dy/16,dx,cs,0,RI)
|
|
- 2*loop(bp, 0, dy/2 ,dx,cs,0,RI);
|
|
j= loop(bp,dx-1, dy/16,dx,cs,0,LE)
|
|
+ loop(bp,dx-1,dy-1-dy/16,dx,cs,0,LE)
|
|
<= 2*loop(bp,dx-1, dy/2 ,dx,cs,0,LE);
|
|
if (i<-dx/8 || i+dx/8<j) Break; // not konvex
|
|
|
|
if( loop(bp,dx-1, dy/16,dx,cs,0,LE)>dx/8 )
|
|
if( loop(bp,0 , dy/16,dx,cs,0,RI)<dx/16 ) Break;
|
|
if( loop(bp,dx-1,dy-1-dy/16,dx,cs,0,LE)>dx/8 )
|
|
if( loop(bp,0 ,dy-1-dy/16,dx,cs,0,RI)<dx/16 ) Break;
|
|
if( get_bw(x1-dx/32,x1,y0,y0+dy/32,box1->p,cs,1) == 0
|
|
&& get_bw(x1-dx/32,x1,y1-dy/32,y1,box1->p,cs,1) == 0
|
|
&& ( get_bw(x0,x0+dx/32,y0,y0+dy/32,box1->p,cs,1) == 1
|
|
|| get_bw(x0,x0+dx/32,y1-dy/32,y1,box1->p,cs,1) == 1 ) ) {
|
|
if (dx<32) ad=ad*99/100; else Break; // ~D
|
|
}
|
|
|
|
// search lowest inner white point
|
|
for(y=dy,j=x=0;x<dx;x++) {
|
|
i =loop(bp,x,dy-1 ,y1-y0,cs,0,UP);
|
|
i+=loop(bp,x,dy-1-i,y1-y0,cs,1,UP);
|
|
if (i<=y) { y=i; j=x; }
|
|
} i=y;
|
|
// italic a
|
|
for(y=dy-1-i;y<dy-1;y++)
|
|
if( num_cross(j,dx-1,y,y,bp,cs) > 1 ) ad=99*ad/100; // ~a \it a
|
|
|
|
if (loop(bp, 0, 0,x1-x0,cs,0,RI)>=dx/8) { // round, notLCD
|
|
if (loop(bp,dx-1,dy-1,x1-x0,cs,0,LE)<dx/8) ad=98*ad/100; // \it a
|
|
if (loop(bp,dx-1, 0,x1-x0,cs,0,LE)<dx/8) ad=98*ad/100; // \it a
|
|
}
|
|
|
|
if (abs(loop(bp,dx/2, 0,dy,cs,0,DO)
|
|
-loop(bp,dx/2,dy-1,dy,cs,0,UP))>dy/8
|
|
|| num_cross(0,dx-1, 0, 0,bp,cs) > 1
|
|
|| num_cross(0,dx-1,dy-1,dy-1,bp,cs) > 1
|
|
) ad=98*ad/100; // ~bq
|
|
|
|
if (box1->m3) {
|
|
if (!hchar) ad=98*ad/100; else // ~o
|
|
if ( gchar) ad=99*ad/100; // wrong line detection?
|
|
} else { if (ad==100) ad=99; } /* not 100% sure */
|
|
if (ad>99) ad=99; /* we can never be sure having a O,
|
|
let context correction decide, see below! */
|
|
Setac(box1,(wchar_t)'0',ad);
|
|
break;
|
|
}
|
|
// --- test 0 with a straight line in it -------------------
|
|
for(ad=100;dx>4 && dy>5;){ /* v0.3.1+ */
|
|
DBG( char c_ask='0'; )
|
|
if (sdata->holes.num > 3) Break; /* be tolerant */
|
|
if (sdata->holes.num < 1) Break;
|
|
if (sdata->holes.num != 2) ad=95*ad/100;
|
|
if( get_bw(x0 , x0+dx/2,y0+dy/2 , y0+dy/2,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x1-dx/2 , x1 ,y0+dy/2 , y0+dy/2,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x0+dx/2 , x0+dx/2,y1-dy/2 , y1,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x0+dx/2 , x0+dx/2,y0 , y0+dy/2,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x0+dx/2 , x0+dx/2,y0+dy/3 , y1-dy/3,box1->p,cs,1) != 1 ) Break;
|
|
// out_x(box1); printf(" x0 y0 %d %d\n",x0,y0);
|
|
if( num_cross(x0+dx/2,x0+dx/2,y0 , y1 ,box1->p,cs) != 3 ) Break;
|
|
if( num_cross(x0+dx/3,x1-dx/3,y0 , y0 ,box1->p,cs) != 1 ) // AND
|
|
if( num_cross(x0+dx/3,x1-dx/3,y0+1 , y0+1 ,box1->p,cs) != 1 ) Break;
|
|
if( num_cross(x0+dx/3,x1-dx/3,y1 , y1 ,box1->p,cs) != 1 ) // against "rauschen"
|
|
if( num_cross(x0+dx/3,x1-dx/3,y1-1 , y1-1 ,box1->p,cs) != 1 ) Break;
|
|
if( num_cross(x0 ,x0 ,y0+dy/3 , y1-dy/3,box1->p,cs) != 1 )
|
|
if( num_cross(x0+1 ,x0+1 ,y0+dy/3 , y1-dy/3,box1->p,cs) != 1 ) Break;
|
|
if( num_cross(x1 ,x1 ,y0+dy/3 , y1-dy/3,box1->p,cs) != 1 )
|
|
if( num_cross(x1-1 ,x1-1 ,y0+dy/3 , y1-dy/3,box1->p,cs) != 1 ) Break;
|
|
// if( num_hole(x0,x1,y0,y1,box1->p,cs,NULL) != 2 ) Break;
|
|
if (sdata->holes.num != 2) ad=85*ad/100;
|
|
|
|
if( loop(bp,0 , 0,x1-x0,cs,0,RI)<=
|
|
loop(bp,0 , 2+dy/32,x1-x0,cs,0,RI) ) Break;
|
|
x= loop(bp,0 ,dy/2 ,x1-x0,cs,0,RI);
|
|
i= loop(bp,0 ,dy/2-1,x1-x0,cs,0,RI); if (i>x) x=i;
|
|
i= loop(bp,0 ,dy/2-2,x1-x0,cs,0,RI); if (i>x && dy>8) x=i;
|
|
if( loop(bp,0 , dy/4,x1-x0,cs,0,RI)<x ) Break; // ~8
|
|
x= loop(bp,dx-1,dy/2 ,x1-x0,cs,0,LE);
|
|
i= loop(bp,dx-1,dy/2-1,x1-x0,cs,0,LE); if(i>x) x=i;
|
|
i= loop(bp,dx-1,dy/2-1,x1-x0,cs,0,LE); if(i>x && dy>8) x=i;
|
|
if( loop(bp,dx-1,3*dy/4,x1-x0,cs,0,LE)<x) Break; // ~8
|
|
|
|
x=loop(bp,dx-1,dy-1-dy/3,x1-x0,cs,0,LE); // should be minimum
|
|
for( y=dy-1-dy/3;y<dy;y++ ){
|
|
i=loop(bp,dx-1,y,x1-x0,cs,0,LE);
|
|
if (i<x-dx/16) break;
|
|
if (i>x) x=i;
|
|
}
|
|
if( y<dy ) Break;
|
|
|
|
/* test for straight line */
|
|
y =loop(bp,dx/2,dy-1 ,y1-y0,cs,0,UP); if(y>dy/4) Break;
|
|
y+=loop(bp,dx/2,dy-1-y,y1-y0,cs,1,UP); if(y>dy/3) Break; if (y>dy/4) ad=ad*99/100;
|
|
y+=loop(bp,dx/2,dy-1-y,y1-y0,cs,0,UP); if(3*y>2*dy) Break;
|
|
x =loop(bp,dx/2,dy-y,dx/2,cs,0,RI); if(x==0) Break;
|
|
// MM; fprintf(stderr," y=%d x=%d\n",y-1,x);
|
|
if( loop(bp,dx/2+x-1-dx/16,dy-y,y1-y0,cs,0,UP)==0 ) Break;
|
|
// $
|
|
for(i=0,y=dy/4;y<dy-dy/4-1;y++)
|
|
if( loop(bp, 0,y,dx-1,cs,0,RI) > dx/4
|
|
|| loop(bp,dx-1,y,dx-1,cs,0,LE) > dx/4 ) break;
|
|
if( y<dy-dy/4-1 ) Break;
|
|
|
|
// ~D
|
|
if( loop(bp,0, dy/16,dx,cs,0,RI)
|
|
+ loop(bp,0,dy-1-dy/16,dx,cs,0,RI)
|
|
<= 2*loop(bp,0, dy/2 ,dx,cs,0,RI)+dx/8 ) Break; // not konvex
|
|
|
|
if( loop(bp,dx-1, dy/16,dx,cs,0,LE)>dx/8 )
|
|
if( loop(bp,0 , dy/16,dx,cs,0,RI)<dx/16 ) Break;
|
|
if( loop(bp,dx-1,dy-1-dy/16,dx,cs,0,LE)>dx/8 )
|
|
if( loop(bp,0 ,dy-1-dy/16,dx,cs,0,RI)<dx/16 ) Break;
|
|
if( get_bw(x1-dx/32,x1,y0,y0+dy/32,box1->p,cs,1) == 0
|
|
&& get_bw(x1-dx/32,x1,y1-dy/32,y1,box1->p,cs,1) == 0
|
|
&& ( get_bw(x0,x0+dx/32,y0,y0+dy/32,box1->p,cs,1) == 1
|
|
|| get_bw(x0,x0+dx/32,y1-dy/32,y1,box1->p,cs,1) == 1 ) ) Break; // ~D
|
|
|
|
/* 5x9 font "9" is like "0" */
|
|
if (dx<16)
|
|
if ( num_cross(x0,x0,y0,y1,box1->p,cs) != 1 ) ad=98*ad/100;
|
|
|
|
// italic a
|
|
for(i=0,y=6*dy/8;y<dy-dy/16;y++)
|
|
if( num_cross(0,dx-1,y,y,bp,cs) > 2 ) i++; else i--;
|
|
if(i>0) ad=ad*98/100; // ~'a' \it a
|
|
if( !hchar ) ad=90*ad/100;
|
|
Setac(box1,(wchar_t)'0',ad);
|
|
break;
|
|
}
|
|
// --- test 0 with a straight dot in it -------------------
|
|
for(ad=100;dx>4 && dy>5;){ /* v0.46+ */
|
|
DBG( char c_ask='0'; )
|
|
if (sdata->holes.num != 1) Break; /* do not be tolerant */
|
|
if (sdata->box1->num_frames != 2) ad=85*ad/100;
|
|
if( get_bw(x0 , x0+dx/2,y0+dy/2 , y0+dy/2,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x1-dx/2 , x1 ,y0+dy/2 , y0+dy/2,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x0+dx/2 , x0+dx/2,y1-dy/2 , y1,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x0+dx/2 , x0+dx/2,y0 , y0+dy/2,box1->p,cs,1) != 1 ) Break;
|
|
if( get_bw(x0+dx/2 , x0+dx/2,y0+dy/3 , y1-dy/3,box1->p,cs,1) != 1 ) Break;
|
|
// out_x(box1); printf(" x0 y0 %d %d\n",x0,y0);
|
|
if( num_cross(x0+dx/2,x0+dx/2,y0 , y1 ,box1->p,cs) != 3 ) Break;
|
|
if( num_cross(x0+dx/3,x1-dx/3,y0 , y0 ,box1->p,cs) != 1 ) // AND
|
|
if( num_cross(x0+dx/3,x1-dx/3,y0+1 , y0+1 ,box1->p,cs) != 1 ) Break;
|
|
if( num_cross(x0+dx/3,x1-dx/3,y1 , y1 ,box1->p,cs) != 1 ) // against "rauschen"
|
|
if( num_cross(x0+dx/3,x1-dx/3,y1-1 , y1-1 ,box1->p,cs) != 1 ) Break;
|
|
if( num_cross(x0 ,x0 ,y0+dy/3 , y1-dy/3,box1->p,cs) != 1 )
|
|
if( num_cross(x0+1 ,x0+1 ,y0+dy/3 , y1-dy/3,box1->p,cs) != 1 ) Break;
|
|
if( num_cross(x1 ,x1 ,y0+dy/3 , y1-dy/3,box1->p,cs) != 1 )
|
|
if( num_cross(x1-1 ,x1-1 ,y0+dy/3 , y1-dy/3,box1->p,cs) != 1 ) Break;
|
|
// if( num_hole(x0,x1,y0,y1,box1->p,cs,NULL) != 2 ) Break;
|
|
|
|
if( loop(bp,0 , 0,x1-x0,cs,0,RI)<=
|
|
loop(bp,0 , 2+dy/32,x1-x0,cs,0,RI) ) Break;
|
|
x= loop(bp,0 ,dy/2 ,x1-x0,cs,0,RI);
|
|
i= loop(bp,0 ,dy/2-1,x1-x0,cs,0,RI); if (i>x) x=i;
|
|
i= loop(bp,0 ,dy/2-2,x1-x0,cs,0,RI); if (i>x && dy>8) x=i;
|
|
if( loop(bp,0 , dy/4,x1-x0,cs,0,RI)<x ) Break; // ~8
|
|
x= loop(bp,dx-1,dy/2 ,x1-x0,cs,0,LE);
|
|
i= loop(bp,dx-1,dy/2-1,x1-x0,cs,0,LE); if(i>x) x=i;
|
|
i= loop(bp,dx-1,dy/2-1,x1-x0,cs,0,LE); if(i>x && dy>8) x=i;
|
|
if( loop(bp,dx-1,3*dy/4,x1-x0,cs,0,LE)<x) Break; // ~8
|
|
|
|
x=loop(bp,dx-1,dy-1-dy/3,x1-x0,cs,0,LE); // should be minimum
|
|
for( y=dy-1-dy/3;y<dy;y++ ){
|
|
i=loop(bp,dx-1,y,x1-x0,cs,0,LE);
|
|
if (i<x-dx/16) break;
|
|
if (i>x) x=i;
|
|
}
|
|
if( y<dy ) Break;
|
|
|
|
/* test for straight line */
|
|
y =loop(bp,dx/2,dy-1 ,y1-y0,cs,0,UP); if(y>dy/4) Break;
|
|
y+=loop(bp,dx/2,dy-1-y,y1-y0,cs,1,UP); if(y>dy/3) Break; if (y>dy/4) ad=ad*99/100;
|
|
y+=loop(bp,dx/2,dy-1-y,y1-y0,cs,0,UP); if(3*y>2*dy) Break;
|
|
x =loop(bp,dx/2,dy-y,dx/2,cs,0,RI); if(x==0) Break;
|
|
// MM; fprintf(stderr," y=%d x=%d\n",y-1,x);
|
|
if( loop(bp,dx/2+x-1-dx/16,dy-y,y1-y0,cs,0,UP)==0 ) Break;
|
|
// $
|
|
for(i=0,y=dy/4;y<dy-dy/4-1;y++)
|
|
if( loop(bp, 0,y,dx-1,cs,0,RI) > dx/4
|
|
|| loop(bp,dx-1,y,dx-1,cs,0,LE) > dx/4 ) break;
|
|
if( y<dy-dy/4-1 ) Break;
|
|
|
|
// ~D
|
|
if( loop(bp,0, dy/16,dx,cs,0,RI)
|
|
+ loop(bp,0,dy-1-dy/16,dx,cs,0,RI)
|
|
<= 2*loop(bp,0, dy/2 ,dx,cs,0,RI)+dx/8 ) Break; // not konvex
|
|
|
|
if( loop(bp,dx-1, dy/16,dx,cs,0,LE)>dx/8 )
|
|
if( loop(bp,0 , dy/16,dx,cs,0,RI)<dx/16 ) Break;
|
|
if( loop(bp,dx-1,dy-1-dy/16,dx,cs,0,LE)>dx/8 )
|
|
if( loop(bp,0 ,dy-1-dy/16,dx,cs,0,RI)<dx/16 ) Break;
|
|
if( get_bw(x1-dx/32,x1,y0,y0+dy/32,box1->p,cs,1) == 0
|
|
&& get_bw(x1-dx/32,x1,y1-dy/32,y1,box1->p,cs,1) == 0
|
|
&& ( get_bw(x0,x0+dx/32,y0,y0+dy/32,box1->p,cs,1) == 1
|
|
|| get_bw(x0,x0+dx/32,y1-dy/32,y1,box1->p,cs,1) == 1 ) ) Break; // ~D
|
|
|
|
/* 5x9 font "9" is like "0" */
|
|
if (dx<16)
|
|
if ( num_cross(x0,x0,y0,y1,box1->p,cs) != 1 ) ad=98*ad/100;
|
|
|
|
// italic a
|
|
for(i=0,y=6*dy/8;y<dy-dy/16;y++)
|
|
if( num_cross(0,dx-1,y,y,bp,cs) > 2 ) i++; else i--;
|
|
if(i>0) ad=ad*98/100; // ~'a' \it a
|
|
if( !hchar ) ad=90*ad/100;
|
|
Setac(box1,(wchar_t)'0',ad);
|
|
break;
|
|
}
|
|
return box1->c;
|
|
}
|