From: Ian Jackson <ian@liberator.relativity.greenend.org.uk>
Date: Sun, 5 Jul 2009 18:11:21 +0000 (+0100)
Subject: Use find_aa_density for colon detection
X-Git-Tag: 1.9.3~8
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=ypp-sc-tools.web-live.git;a=commitdiff_plain;h=4c4f06d95a80d3261197222464c05de519928602;ds=sidebyside

Use find_aa_density for colon detection
---

diff --git a/pctb/structure.c b/pctb/structure.c
index c54f89a..26945ad 100644
--- a/pctb/structure.c
+++ b/pctb/structure.c
@@ -765,10 +765,15 @@ void find_islandname(RgbImage *ri) {
       
       for (p.y=islandnamer.tl.y; p.y<=islandnamer.br.y; p.y++) {
 	pattern <<= 1;
-	switch (get_p(p)) {
-	case '*': if (runs[nruns]) { nruns++; runs[nruns]=0; }          break;
-	case 'O': runs[nruns]++;              pattern |= 1u;            break;
-	default:                              pattern |= 1UL<<31;       break;
+	double alpha= find_aa_density(ri,p, 0xCCCCAA,0x002255,0);
+	if (alpha >= 0.49) {
+	   runs[nruns]++;
+	   pattern |= 1u;
+	} else {
+	  if (runs[nruns]) {
+	    nruns++;
+	    runs[nruns]=0;
+	  }
 	}
       }