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[autofit] Trace before' and after' edges of strong points.

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* src/autofit/afhints.h (AF_PointRec) [FT_DEBUG_AUTOFIT]: New arrays
`before' and `after'.

* src/autofit/afhints.c (af_get_strong_edge_index): New auxiliary
function.
(af_glyph_hints_dump_points): Trace `before' and `after' edges.
(af_glyph_hints_align_strong_points) [FT_DEBUG_AUTOFIT]: Set
`before' and `after' information.
This commit is contained in:
Werner Lemberg 2018-08-30 09:56:09 +02:00
parent 21c2b3905c
commit c0ccf75012
3 changed files with 75 additions and 3 deletions
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13
ChangeLog
View File

@ -1,3 +1,16 @@
2018-08-30 Werner Lemberg <wl@gnu.org>
[autofit] Trace `before' and `after' edges of strong points.
* src/autofit/afhints.h (AF_PointRec) [FT_DEBUG_AUTOFIT]: New arrays
`before' and `after'.
* src/autofit/afhints.c (af_get_strong_edge_index): New auxiliary
function.
(af_glyph_hints_dump_points): Trace `before' and `after' edges.
(af_glyph_hints_align_strong_points) [FT_DEBUG_AUTOFIT]: Set
`before' and `after' information.
2018-08-30 Alexei Podtelezhnikov <apodtele@gmail.com>
[base] Overflow-resistant bitmap presetting.

59
src/autofit/afhints.c
View File

@ -297,6 +297,19 @@
}
static int
af_get_strong_edge_index( AF_GlyphHints hints,
AF_Edge* strong_edges,
int dimension )
{
AF_AxisHints axis = &hints->axis[dimension];
AF_Edge edges = axis->edges;
return AF_INDEX_NUM( strong_edges[dimension], edges );
}
#ifdef __cplusplus
extern "C" {
#endif
@ -317,8 +330,10 @@
{
AF_DUMP(( " index hedge hseg vedge vseg flags "
/* " XXXXX XXXXX XXXXX XXXXX XXXXX XXXXXX" */
" xorg yorg xscale yscale xfit yfit" ));
" xorg yorg xscale yscale xfit yfit "
/* " XXXXX XXXXX XXXX.XX XXXX.XX XXXX.XX XXXX.XX" */
" hbef haft vbef vaft" ));
/* " XXXXX XXXXX XXXXX XXXXX" */
}
else
AF_DUMP(( " (none)\n" ));
@ -330,6 +345,7 @@
int segment_idx_1 = af_get_segment_index( hints, point_idx, 1 );
char buf1[16], buf2[16], buf3[16], buf4[16];
char buf5[16], buf6[16], buf7[16], buf8[16];
/* insert extra newline at the beginning of a contour */
@ -340,7 +356,8 @@
}
AF_DUMP(( " %5d %5s %5s %5s %5s %s"
" %5d %5d %7.2f %7.2f %7.2f %7.2f\n",
" %5d %5d %7.2f %7.2f %7.2f %7.2f"
" %5s %5s %5s %5s\n",
point_idx,
af_print_idx( buf1,
af_get_edge_index( hints, segment_idx_1, 1 ) ),
@ -359,7 +376,20 @@
point->ox / 64.0,
point->oy / 64.0,
point->x / 64.0,
point->y / 64.0 ));
point->y / 64.0,
af_print_idx( buf5, af_get_strong_edge_index( hints,
point->before,
1 ) ),
af_print_idx( buf6, af_get_strong_edge_index( hints,
point->after,
1 ) ),
af_print_idx( buf7, af_get_strong_edge_index( hints,
point->before,
0 ) ),
af_print_idx( buf8, af_get_strong_edge_index( hints,
point->after,
0 ) ) ));
}
AF_DUMP(( "\n" ));
}
@ -1309,6 +1339,12 @@
if ( delta >= 0 )
{
u = edge->pos - ( edge->opos - ou );
#ifdef FT_DEBUG_AUTOFIT
point->before[dim] = edge;
point->after[dim] = NULL;
#endif
goto Store_Point;
}
@ -1318,6 +1354,12 @@
if ( delta >= 0 )
{
u = edge->pos + ( ou - edge->opos );
#ifdef FT_DEBUG_AUTOFIT
point->before[dim] = NULL;
point->after[dim] = edge;
#endif
goto Store_Point;
}
@ -1364,6 +1406,12 @@
{
/* we are on the edge */
u = edge->pos;
#ifdef FT_DEBUG_AUTOFIT
point->before[dim] = NULL;
point->after[dim] = NULL;
#endif
goto Store_Point;
}
}
@ -1374,6 +1422,11 @@
AF_Edge after = edges + min + 0;
#ifdef FT_DEBUG_AUTOFIT
point->before[dim] = before;
point->after[dim] = after;
#endif
/* assert( before && after && before != after ) */
if ( before->scale == 0 )
before->scale = FT_DivFix( after->pos - before->pos,

6
src/autofit/afhints.h
View File

@ -252,6 +252,12 @@ FT_BEGIN_HEADER
AF_Point next; /* next point in contour */
AF_Point prev; /* previous point in contour */
#ifdef FT_DEBUG_AUTOFIT
/* track `before' and `after' edges for strong points */
AF_Edge before[2];
AF_Edge after[2];
#endif
} AF_PointRec;