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[psaux] Add tracing for hints. 

* src/psaux/pshints.c (cf2_hintmap_insertHint): Trace incoming and inserted
hints.
(cf2_hintmap_build): Dump hintmap before and after hint adjustment.
(cf2_hintmap_dump): Using this new function.
This commit is contained in:
Ewald Hew 2017-08-10 09:14:26 +08:00
parent 82a77d8dd5
commit 6f2d3cfb2a
1 changed files with 49 additions and 0 deletions
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49
src/psaux/pshints.c
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@ -299,6 +299,31 @@
}
static void
cf2_hintmap_dump( CF2_HintMap hintmap )
{
CF2_UInt i;
FT_TRACE6(( " index csCoord dsCoord scale flags\n" ));
for ( i = 0; i < hintmap->count; i++ )
{
CF2_Hint hint = &hintmap->edge[i];
FT_TRACE6(( " %3d %7.2f %7.2f %5d %s%s%s%s\n",
hint->index,
hint->csCoord / 65536.0,
hint->dsCoord / (hint->scale * 1.0),
hint->scale,
( cf2_hint_isPair( hint ) ? "p" : "g" ),
( cf2_hint_isTop( hint ) ? "t" : "b" ),
( cf2_hint_isLocked( hint ) ? "L" : ""),
( cf2_hint_isSynthetic( hint ) ? "S" : "" ) ));
}
}
/* transform character space coordinate to device space using hint map */
static CF2_Fixed
cf2_hintmap_map( CF2_HintMap hintmap,
@ -612,6 +637,14 @@
break;
}
FT_TRACE7(( " Got hint at %.2f (%.2f)\n",
firstHintEdge->csCoord / 65536.0,
firstHintEdge->dsCoord / 65536.0 ));
if ( isPair )
FT_TRACE7(( " Got hint at %.2f (%.2f)\n",
secondHintEdge->csCoord / 65536.0,
secondHintEdge->dsCoord / 65536.0 ));
/*
* Discard any hints that overlap in character space. Most often, this
* is while building the initial map, where captured hints from all
@ -730,12 +763,19 @@
/* insert first edge */
hintmap->edge[indexInsert] = *firstHintEdge; /* copy struct */
hintmap->count += 1;
FT_TRACE7(( " Inserting hint %.2f (%.2f)\n",
firstHintEdge->csCoord / 65536.0,
firstHintEdge->dsCoord / 65536.0 ));
if ( isPair )
{
/* insert second edge */
hintmap->edge[indexInsert + 1] = *secondHintEdge; /* copy struct */
hintmap->count += 1;
FT_TRACE7(( " Inserting hint %.2f (%.2f)\n",
secondHintEdge->csCoord / 65536.0,
secondHintEdge->dsCoord / 65536.0 ));
}
}
@ -970,6 +1010,12 @@
}
}
FT_TRACE6(( initialMap ? "flags: [p]air [g]host [t]op "
"[b]ottom [L]ocked [S]ynthetic\n"
"Initial hintmap\n"
: "Hints:\n" ));
cf2_hintmap_dump( hintmap );
/*
* Note: The following line is a convenient place to break when
* debugging hinting. Examine `hintmap->edge' for the list of
@ -982,6 +1028,9 @@
/* adjust positions of hint edges that are not locked to blue zones */
cf2_hintmap_adjustHints( hintmap );
FT_TRACE6(( "(adjusted)\n" ));
cf2_hintmap_dump( hintmap );
/* save the position of all hints that were used in this hint map; */
/* if we use them again, we'll locate them in the same position */
if ( !initialMap )