added a comment to fontalignzone distance detector

diff --git a/lib/modules/swfalignzones.c b/lib/modules/swfalignzones.c
index 81e1992..1961903 100644 (file)
--- a/lib/modules/swfalignzones.c
+++ b/lib/modules/swfalignzones.c
@@ -73,6 +73,14 @@ static void find_best(float*_row, int width, int*_x1, int*_x2, int min_size, int
     if(num<=1) {
        *_x1=x1;
     } else {
+       /* this code is slightly wrong, in that it assumes that the glyph distortion problem 
+          gets worse when the font sizes get smaller. it doesn't. in fact, the smaller
+          the font size, the more of the scaling bugs disappear (http://www.quiss.org/files/scaletest.swf)
+          A better way would probably to use the font size you need for the two alignzones
+          to come to lie in different pixels, which what I think is what makes the problems
+          appear/disappear.
+       */
+
        double scale = min_size/1024.0;
        for(t=from;t<=to;t++) {
            if(t==x1) {