X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?a=blobdiff_plain;f=pctb%2Focr.c;h=27271c766495406dedce819b8dfc2feea431cacd;hb=bc6ff7bc24f1839450325f2dbb46ef287ea2fb64;hp=1f315c8d91c2d5fe1fafdae6474fb8ab145abc9a;hpb=7ca1164cb2e18550cbdf1684802b6573a6165a8c;p=ypp-sc-tools.db-test.git

diff --git a/pctb/ocr.c b/pctb/ocr.c
index 1f315c8..27271c7 100644
--- a/pctb/ocr.c
+++ b/pctb/ocr.c
@@ -53,13 +53,22 @@ typedef struct {
   int rx;
 } FindCharResults;
 
-enum { ct_Lower, ct_Upper, ct_Word, ct_Digit };
-static const char *context_names[]= {
-  "Lower",  /*  bit 0, value 001 */
-  "Upper",  /*  bit 1, value 002 */
-  "Word",   /*  bit 2, value 004 */
-  "Digit",  /*  bit 3, value 010 */
+#define FOR_EACH_CONTEXT(EACH)			\
+  EACH(Word)					\
+  EACH(Upper)					\
+  EACH(Lower)					\
+  EACH(Digit)
+
+#define FEC_ENUM(Context) ct_##Context,
+#define FEC_BIT(Context) ctf_##Context = 1 << ct_##Context,
+enum {
+  FOR_EACH_CONTEXT(FEC_ENUM)
+  FOR_EACH_CONTEXT(FEC_BIT)
 };
+
+#define FEC_STRINGS(Context) #Context,
+static const char *context_names[]= { FOR_EACH_CONTEXT(FEC_STRINGS) };
+
 struct OcrCellTypeInfo {
   /* bitmaps of indices into context_names: */
   unsigned initial, nextword, midword;
@@ -235,7 +244,9 @@ static void callout_unknown(OcrReader *rd, int w, Pixcol cols[],
   for (i=0, s=rd->results; i<rd->nresults; i++, s++) {
     if (!strcmp(s->s," ")) continue;
     fprintf(resolver," %d %d ",s->l,s->r);
-    cu_pr_ctxmap(resolver, 1u << s->ctxi);
+    cu_pr_ctxmap(resolver, 1u << s->match);
+    fprintf(resolver," ");
+    cu_pr_ctxmap(resolver, 1u << s->ctxmap);
     fprintf(resolver," ");
     for (p=s->s; (c= *p); p++) {
       if (c=='\\') fprintf(resolver,"\\%c",c);
@@ -265,7 +276,8 @@ static void callout_unknown(OcrReader *rd, int w, Pixcol cols[],
   readdb(rd);
 }
 
-static void add_result(OcrReader *rd, const char *s, int l, int r, int ctxi) {
+static void add_result(OcrReader *rd, const char *s, int l, int r,
+		       int match, unsigned ctxmap) {
   if (rd->nresults >= rd->aresults) {
     rd->aresults++; rd->aresults<<=1;
     rd->results= mrealloc(rd->results, sizeof(*rd->results)*rd->aresults);
@@ -273,7 +285,8 @@ static void add_result(OcrReader *rd, const char *s, int l, int r, int ctxi) {
   rd->results[rd->nresults].s= s;
   rd->results[rd->nresults].l= l;
   rd->results[rd->nresults].r= r;
-  rd->results[rd->nresults].ctxi= ctxi;
+  rd->results[rd->nresults].match= match;
+  rd->results[rd->nresults].ctxmap= ctxmap;
   rd->nresults++;
 }
 
@@ -359,15 +372,15 @@ static int findchar_select_text(const FindCharArgs *fca,
 }
 
 const struct OcrCellTypeInfo ocr_celltype_number= {
-  010,010,010,
+  ctf_Digit, ctf_Digit, ctf_Digit,
   .space_spaces= 5,
   .name= "number",
   .findchar_select= 0
 };
 const struct OcrCellTypeInfo ocr_celltype_text= {
-  .initial=  012, /* Digit|Upper */
-  .nextword= 017, /* Digit|Upper|Lower|Word */
-  .midword=  011, /* Digit|Lower */
+  .initial=  ctf_Digit | ctf_Upper,
+  .nextword= ctf_Digit | ctf_Upper | ctf_Lower | ctf_Word,
+  .midword=  ctf_Digit | ctf_Lower,
   .space_spaces= 4,
   .name= "text",
   .findchar_select= findchar_select_text
@@ -416,7 +429,7 @@ OcrResultGlyph *ocr(OcrReader *rd, OcrCellType ct, int w, Pixcol cols[]) {
 
     /* something here, so we need to add the spaces */
     if (nspaces >= ct->space_spaces)
-      add_result(rd," ",x-nspaces,x+1,-1);
+      add_result(rd," ",x-nspaces,x+1,-1,0);
     nspaces=0;
 
     fca.x= x;
@@ -427,7 +440,7 @@ OcrResultGlyph *ocr(OcrReader *rd, OcrCellType ct, int w, Pixcol cols[]) {
     
     if (match) {
       debugf(" || YES");
-      add_result(rd, match->str, x, match_rx, match_ctxi);
+      add_result(rd, match->str, x, match_rx, match_ctxi, fca.ctxmap);
       x= match_rx+1;
       if (match->match) fca.ctxmap= ct->midword;
       else debugf(" (empty)");
@@ -448,7 +461,7 @@ OcrResultGlyph *ocr(OcrReader *rd, OcrCellType ct, int w, Pixcol cols[]) {
     }
 
   }
-  add_result(rd, 0,-1,-1,-1);
+  add_result(rd, 0,-1,-1,-1,0);
   debugf("OCR  finished %d glyphs\n",rd->nresults);
   debug_flush();
   return rd->results;