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Code Issues 4 Releases Wiki Activity

[autofit] Minor code clean-up. 

* src/autofit/aflatin.c (af_latin_hints_compute_segments): Change
some local variable names to better differentiate between values
along a segment and values orthogonal to it.
This commit is contained in:
Werner Lemberg 2016-02-27 15:01:49 +01:00
parent ebfd7ce52f
commit ce48664579
2 changed files with 39 additions and 21 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2016-02-27 Werner Lemberg <wl@gnu.org>
[autofit] Minor code clean-up.
* src/autofit/aflatin.c (af_latin_hints_compute_segments): Change
some local variable names to better differentiate between values
along a segment and values orthogonal to it.
2016-02-26 Werner Lemberg <wl@gnu.org>
[autofit] Improve BOUND action.

52
src/autofit/aflatin.c
View File

@ -1439,11 +1439,16 @@
AF_Point point = contour[0];
AF_Point last = point->prev;
int on_edge = 0;
FT_Pos min_pos = 32000; /* minimum segment pos != min_coord */
FT_Pos max_pos = -32000; /* maximum segment pos != max_coord */
FT_Pos min_on_pos = 32000;
FT_Pos max_on_pos = -32000;
FT_Bool passed;
/* we call values measured along a segment (point->v) */
/* `coordinates', and values orthogonal to it (point->u) */
/* `positions' */
FT_Pos min_pos = 32000;
FT_Pos max_pos = -32000;
FT_Pos min_on_coord = 32000;
FT_Pos max_on_coord = -32000;
FT_Bool passed;
if ( point == last ) /* skip singletons -- just in case */
@ -1478,24 +1483,29 @@
if ( on_edge )
{
/* get minimum and maximum position */
u = point->u;
if ( u < min_pos )
min_pos = u;
if ( u > max_pos )
max_pos = u;
/* get minimum and maximum coordinate of on points */
/* get minimum and maximum coordinate of `on' points */
if ( !( point->flags & AF_FLAG_CONTROL ) )
{
v = point->v;
if ( v < min_on_pos )
min_on_pos = v;
if ( v > max_on_pos )
max_on_pos = v;
if ( v < min_on_coord )
min_on_coord = v;
if ( v > max_on_coord )
max_on_coord = v;
}
if ( point->out_dir != segment_dir || point == last )
{
FT_Pos min_coord;
FT_Pos max_coord;
/* we are just leaving an edge; record a new segment! */
segment->last = point;
segment->pos = (FT_Short)( ( min_pos + max_pos ) >> 1 );
@ -1504,20 +1514,20 @@
/* is a control point, and the length of the on points */
/* inbetween doesn't exceed a heuristic limit */
if ( ( segment->first->flags | point->flags ) & AF_FLAG_CONTROL &&
( max_on_pos - min_on_pos ) < flat_threshold )
( max_on_coord - min_on_coord ) < flat_threshold )
segment->flags |= AF_EDGE_ROUND;
/* compute segment size */
min_pos = max_pos = point->v;
min_coord = max_coord = point->v;
v = segment->first->v;
if ( v < min_pos )
min_pos = v;
if ( v > max_pos )
max_pos = v;
if ( v < min_coord )
min_coord = v;
if ( v > max_coord )
max_coord = v;
segment->min_coord = (FT_Short)min_pos;
segment->max_coord = (FT_Short)max_pos;
segment->min_coord = (FT_Short)min_coord;
segment->max_coord = (FT_Short)max_coord;
segment->height = (FT_Short)( segment->max_coord -
segment->min_coord );
@ -1555,11 +1565,11 @@
if ( point->flags & AF_FLAG_CONTROL )
{
min_on_pos = 32000;
max_on_pos = -32000;
min_on_coord = 32000;
max_on_coord = -32000;
}
else
min_on_pos = max_on_pos = point->v;
min_on_coord = max_on_coord = point->v;
on_edge = 1;
}