ref: 87e56b043a16b3fde6f4d354ba790593a3e4bba2
parent: f8efbcfb8ef77797f5f2c7095a6030080e4c0855
author: Alexei Podtelezhnikov <[email protected]>
date: Thu Aug 14 18:41:06 EDT 2014
Fix comment and whitespace.
--- a/src/base/ftbbox.c
+++ b/src/base/ftbbox.c
@@ -209,7 +209,7 @@
FT_Pos q4 )
{FT_Pos peak = 0;
- FT_Int shift;
+ FT_Int shift;
/* This function finds a peak of a cubic segment if it is above 0 */
/* using iterative bisection of the segment, or returns 0. */
@@ -242,8 +242,8 @@
q4 >>= -shift;
}
- /* for a cubic segment to possibly reach new maximum, at least */
- /* one of its off-points must stay above the current value */
+ /* for a peak to exist above 0, the cubic segment must have */
+ /* at least one of its control off-points above 0. */
while ( q2 > 0 || q3 > 0 )
{/* determine which half contains the maximum and split */
@@ -311,7 +311,6 @@
/* now flip the signs to update the minimum */
if ( p2 < *min || p3 < *min )
*min -= cubic_peak( *min - p1, *min - p2, *min - p3, *min - p4 );
-
}