Commit fba917d0e70da17eb1807b16363cb7d1a6ecef39
2013-01-30T20:14:18
Improve comments.
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diff --git a/src/base/ftoutln.c b/src/base/ftoutln.c
index 84d64e4..1441657 100644
--- a/src/base/ftoutln.c
+++ b/src/base/ftoutln.c
@@ -938,7 +938,7 @@
v_prev = points[last];
v_cur = v_first;
- /* compute the incoming normalized vector */
+ /* compute incoming normalized vector */
in.x = v_cur.x - v_prev.x;
in.y = v_cur.y - v_prev.y;
l_in = FT_Vector_Length( &in );
@@ -955,7 +955,7 @@
else
v_next = v_first;
- /* compute the outgoing normalized vector */
+ /* compute outgoing normalized vector */
out.x = v_next.x - v_cur.x;
out.y = v_next.y - v_cur.y;
l_out = FT_Vector_Length( &out );
@@ -967,13 +967,13 @@
d = FT_MulFix( in.x, out.x ) + FT_MulFix( in.y, out.y );
- /* shift only if turn is less then ~160 degrees */
+ /* shift only if turn is less than ~160 degrees */
if ( d > -0xF000L )
{
d = d + 0x10000L;
- /* shift components are aligned along bisector */
- /* and directed according to the outline orientation. */
+ /* shift components are aligned along lateral bisector */
+ /* and directed according to the outline orientation. */
shift.x = in.y + out.y;
shift.y = in.x + out.x;
@@ -982,14 +982,14 @@
else
shift.y = -shift.y;
- /* threshold strength to better handle collapsing segments */
+ /* restrict shift magnitude to better handle collapsing segments */
q = FT_MulFix( out.x, in.y ) - FT_MulFix( out.y, in.x );
if ( orientation == FT_ORIENTATION_TRUETYPE )
q = -q;
l = FT_MIN( l_in, l_out );
- /* non-strict inequality avoids divide-by-zero when q == l == 0 */
+ /* non-strict inequalities avoid divide-by-zero when q == l == 0 */
if ( FT_MulFix( xstrength, q ) <= FT_MulFix( d, l ) )
shift.x = FT_MulDiv( shift.x, xstrength, d );
else