mirror of https://github.com/freetype/freetype
[autofit] Improve tracing.
* src/autofit/afhints.c (af_print_idx, af_get_segment_index, af_get_edge_index): New functions. (af_glyph_hints_dump_points): Remove unnecessary `|', `[', and `]'. Add segment and edge index for each point. Slightly change printing order of some elements. Don't print `-1' but `--' for missing elements. (af_glyph_hints_dump_segments, af_glyph_hints_dump_edges): Remove unnecessary `|', `[', and `]'. Don't print `-1' but `--' for missing elements.
This commit is contained in:
Werner Lemberg
parent
07f27e1e43
commit
7f00fa6462
16
ChangeLog
16
ChangeLog
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@ -1,3 +1,19 @@
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2015-10-25 Werner Lemberg <wl@gnu.org>
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[autofit] Improve tracing.
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* src/autofit/afhints.c (af_print_idx, af_get_segment_index,
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af_get_edge_index): New functions.
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(af_glyph_hints_dump_points): Remove unnecessary `|', `[', and `]'.
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Add segment and edge index for each point.
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Slightly change printing order of some elements.
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Don't print `-1' but `--' for missing elements.
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(af_glyph_hints_dump_segments, af_glyph_hints_dump_edges): Remove
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unnecessary `|', `[', and `]'.
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Don't print `-1' but `--' for missing elements.
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2015-10-24 Werner Lemberg <wl@gnu.org>
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[sfnt] Sanitize bitmap strike glyph height.
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@ -219,6 +219,70 @@
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#define AF_INDEX_NUM( ptr, base ) (int)( (ptr) ? ( (ptr) - (base) ) : -1 )
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static char*
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af_print_idx( char* p,
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int idx )
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{
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if ( idx == -1 )
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{
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p[0] = '-';
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p[1] = '-';
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p[2] = '\0';
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}
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else
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ft_sprintf( p, "%d", idx );
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return p;
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}
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static int
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af_get_segment_index( AF_GlyphHints hints,
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int point_idx,
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int dimension )
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{
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AF_AxisHints axis = &hints->axis[dimension];
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AF_Point point = hints->points + point_idx;
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AF_Segment segments = axis->segments;
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AF_Segment limit = segments + axis->num_segments;
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AF_Segment segment;
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for ( segment = segments; segment < limit; segment++ )
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{
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if ( segment->first <= segment->last )
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{
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if ( point >= segment->first && point <= segment->last )
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break;
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}
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else
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{
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if ( point >= segment->first || point <= segment->last )
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break;
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}
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}
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if ( segment == limit )
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return -1;
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return (int)( segment - segments );
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}
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static int
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af_get_edge_index( AF_GlyphHints hints,
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int segment_idx,
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int dimension )
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{
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AF_AxisHints axis = &hints->axis[dimension];
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AF_Edge edges = axis->edges;
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AF_Segment segment = axis->segments + segment_idx;
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return segment_idx == -1 ? -1 : AF_INDEX_NUM( segment->edge, edges );
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}
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#ifdef __cplusplus
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extern "C" {
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#endif
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@ -234,22 +298,38 @@
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AF_DUMP(( "Table of points:\n" ));
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if ( hints->num_points )
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AF_DUMP(( " [ index | xorg | yorg | xscale | yscale"
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" | xfit | yfit | flags ]\n" ));
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AF_DUMP(( " index hedge hseg vedge vseg flags"
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" xorg yorg xscale yscale xfit yfit\n" ));
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else
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AF_DUMP(( " (none)\n" ));
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for ( point = points; point < limit; point++ )
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AF_DUMP(( " [ %5d | %5d | %5d | %6.2f | %6.2f"
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" | %5.2f | %5.2f | %c ]\n",
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AF_INDEX_NUM( point, points ),
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{
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int point_idx = AF_INDEX_NUM( point, points );
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int segment_idx_0 = af_get_segment_index( hints, point_idx, 0 );
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int segment_idx_1 = af_get_segment_index( hints, point_idx, 1 );
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char buf1[16], buf2[16], buf3[16], buf4[16];
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AF_DUMP(( " %5d %5s %5s %5s %5s %c "
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" %5d %5d %7.2f %7.2f %7.2f %7.2f\n",
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point_idx,
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af_print_idx( buf1,
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af_get_edge_index( hints, segment_idx_1, 1 ) ),
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af_print_idx( buf2, segment_idx_1 ),
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af_print_idx( buf3,
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af_get_edge_index( hints, segment_idx_0, 0 ) ),
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af_print_idx( buf4, segment_idx_0 ),
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( point->flags & AF_FLAG_WEAK_INTERPOLATION ) ? 'w' : '-',
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point->fx,
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point->fy,
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point->ox / 64.0,
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point->oy / 64.0,
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point->x / 64.0,
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point->y / 64.0,
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( point->flags & AF_FLAG_WEAK_INTERPOLATION ) ? 'w' : ' '));
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point->y / 64.0 ));
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}
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AF_DUMP(( "\n" ));
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}
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#ifdef __cplusplus
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@ -306,21 +386,23 @@
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AF_Segment limit = segments + axis->num_segments;
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AF_Segment seg;
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char buf1[16], buf2[16], buf3[16];
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AF_DUMP(( "Table of %s segments:\n",
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dimension == AF_DIMENSION_HORZ ? "vertical"
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: "horizontal" ));
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if ( axis->num_segments )
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AF_DUMP(( " [ index | pos | dir | from"
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" | to | link | serif | edge"
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" | height | extra | flags ]\n" ));
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AF_DUMP(( " index pos dir from to"
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" link serif edge"
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" height extra flags\n" ));
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else
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AF_DUMP(( " (none)\n" ));
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for ( seg = segments; seg < limit; seg++ )
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AF_DUMP(( " [ %5d | %5.2g | %5s | %4d"
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" | %4d | %4d | %5d | %4d"
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" | %6d | %5d | %11s ]\n",
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AF_DUMP(( " %5d %5.2g %5s %4d %4d"
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" %4s %5s %4s"
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" %6d %5d %11s\n",
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AF_INDEX_NUM( seg, segments ),
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dimension == AF_DIMENSION_HORZ
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? (int)seg->first->ox / 64.0
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@ -328,9 +410,11 @@
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af_dir_str( (AF_Direction)seg->dir ),
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AF_INDEX_NUM( seg->first, points ),
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AF_INDEX_NUM( seg->last, points ),
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AF_INDEX_NUM( seg->link, segments ),
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AF_INDEX_NUM( seg->serif, segments ),
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AF_INDEX_NUM( seg->edge, edges ),
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af_print_idx( buf1, AF_INDEX_NUM( seg->link, segments ) ),
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af_print_idx( buf2, AF_INDEX_NUM( seg->serif, segments ) ),
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af_print_idx( buf3, AF_INDEX_NUM( seg->edge, edges ) ),
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seg->height,
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seg->height - ( seg->max_coord - seg->min_coord ),
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af_edge_flags_to_string( seg->flags ) ));
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@ -435,6 +519,8 @@
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AF_Edge limit = edges + axis->num_edges;
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AF_Edge edge;
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char buf1[16], buf2[16];
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/*
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* note: AF_DIMENSION_HORZ corresponds to _vertical_ edges
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@ -444,19 +530,20 @@
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dimension == AF_DIMENSION_HORZ ? "vertical"
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: "horizontal" ));
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if ( axis->num_edges )
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AF_DUMP(( " [ index | pos | dir | link"
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" | serif | blue | opos | pos | flags ]\n" ));
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AF_DUMP(( " index pos dir link serif"
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" blue opos pos flags\n" ));
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else
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AF_DUMP(( " (none)\n" ));
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for ( edge = edges; edge < limit; edge++ )
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AF_DUMP(( " [ %5d | %5.2g | %5s | %4d"
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" | %5d | %c | %5.2f | %5.2f | %11s ]\n",
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AF_DUMP(( " %5d %5.2g %5s %4s %5s"
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" %c %5.2f %5.2f %11s\n",
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AF_INDEX_NUM( edge, edges ),
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(int)edge->opos / 64.0,
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af_dir_str( (AF_Direction)edge->dir ),
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AF_INDEX_NUM( edge->link, edges ),
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AF_INDEX_NUM( edge->serif, edges ),
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af_print_idx( buf1, AF_INDEX_NUM( edge->link, edges ) ),
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af_print_idx( buf2, AF_INDEX_NUM( edge->serif, edges ) ),
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edge->blue_edge ? 'y' : 'n',
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edge->opos / 64.0,
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edge->pos / 64.0,
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