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[aflatin] Improve comment.

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This commit is contained in:
Werner Lemberg 2014-04-05 00:08:52 +02:00
parent f8555b5d8c
commit 87360a78f3
1 changed files with 7 additions and 3 deletions
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10
src/autofit/aflatin.c
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@ -1355,6 +1355,7 @@
if ( len_threshold == 0 )
len_threshold = 1;
/* a heuristic value to weight lengths */
len_score = AF_LATIN_CONSTANT( hints->metrics, 6000 );
/* now compare each segment to the others */
@ -1389,15 +1390,18 @@
max = seg2->max_coord;
/* compute maximum coordinate difference of the two segments */
/* (this is, how much they overlap) */
len = max - min;
if ( len >= len_threshold )
{
/* small coordinate differences cause a higher score, and */
/* segments with a greater distance cause a higher score also */
/* the score is the sum of two values indicating the */
/* `quality' of a fit, measured along the segments' main */
/* axis (`len_score / len') and orthogonal to it (`dist'): */
/* smaller overlappings cause a higher score, and segments */
/* with a greater distance cause a higher score also */
score = dist + len_score / len;
/* and we search for the smallest score */
/* of the sum of the two values */
if ( score < seg1->score )
{
seg1->score = score;