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[autofit] Improve debugging messages; do some code cleanup. 

* src/autofit/aflatin.c (af_latin_align_linked_edge,
af_latin_hint_edges): Synchronize with formatting used in the
ttfautohint project.
This commit is contained in:
Werner Lemberg 2012-07-09 08:19:25 +02:00
parent 9123404c57
commit 5a0af493e4
5 changed files with 66 additions and 51 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2012-07-09 Werner Lemberg <wl@gnu.org>
[autofit] Improve debugging messages; do some code cleanup.
* src/autofit/aflatin.c (af_latin_align_linked_edge,
af_latin_hint_edges): Synchronize with formatting used in the
ttfautohint project.
2012-07-07 Gilles Espinasse <g.esp@free.fr>
Fix strict-aliasing warning.

85
src/autofit/aflatin.c
View File

@ -293,7 +293,7 @@
best_last = last;
}
}
FT_TRACE5(( " %c %d", *p, best_y ));
FT_TRACE5(( " %c %ld", *p, best_y ));
}
/* now check whether the point belongs to a straight or round */
@ -860,7 +860,7 @@
on_edge = 0;
segment = NULL;
/* fallthrough */
/* fall through */
}
}
@ -896,8 +896,8 @@
} /* contours */
/* now slightly increase the height of segments when this makes */
/* sense -- this is used to better detect and ignore serifs */
/* now slightly increase the height of segments if this makes */
/* sense -- this is used to better detect and ignore serifs */
{
AF_Segment segments = axis->segments;
AF_Segment segments_end = segments + axis->num_segments;
@ -1181,17 +1181,17 @@
}
/*********************************************************************/
/* */
/* Good, we will now compute each edge's properties according to */
/* the segments found on its position. Basically, these are */
/* */
/* - the edge's main direction */
/* - stem edge, serif edge or both (which defaults to stem then) */
/* - rounded edge, straight or both (which defaults to straight) */
/* - link for edge */
/* */
/*********************************************************************/
/******************************************************************/
/* */
/* Good, we now compute each edge's properties according to the */
/* segments found on its position. Basically, these are */
/* */
/* - the edge's main direction */
/* - stem edge, serif edge or both (which defaults to stem then) */
/* - rounded edge, straight or both (which defaults to straight) */
/* - link for edge */
/* */
/******************************************************************/
/* first of all, set the `edge' field in each segment -- this is */
/* required in order to compute edge links */
@ -1488,9 +1488,7 @@
#if 0 /* #ifdef AF_CONFIG_OPTION_USE_WARPER */
if ( mode == FT_RENDER_MODE_LCD || mode == FT_RENDER_MODE_LCD_V )
{
metrics->root.scaler.render_mode = mode = FT_RENDER_MODE_NORMAL;
}
#endif
scaler_flags = hints->scaler_flags;
@ -1774,7 +1772,7 @@
stem_edge->pos = base_edge->pos + fitted_width;
FT_TRACE5(( " LINK: edge %d (opos=%.2f) linked to (%.2f),"
FT_TRACE5(( " LINK: edge %d (opos=%.2f) linked to %.2f,"
" dist was %.2f, now %.2f\n",
stem_edge-hints->axis[dim].edges, stem_edge->opos / 64.0,
stem_edge->pos / 64.0, dist / 64.0, fitted_width / 64.0 ));
@ -1856,10 +1854,16 @@
if ( !edge1 )
continue;
FT_TRACE5(( " BLUE: edge %d (opos=%.2f) snapped to (%.2f),"
" was (%.2f)\n",
edge1 - edges, edge1->opos / 64.0, blue->fit / 64.0,
edge1->pos / 64.0 ));
if (!anchor)
FT_TRACE5(( " BLUE_ANCHOR: edge %d (opos=%.2f) snapped to %.2f,"
" was %.2f (anchor=edge %d)\n",
edge1 - edges, edge1->opos / 64.0, blue->fit / 64.0,
edge1->pos / 64.0, edge - edges ));
else
FT_TRACE5(( " BLUE: edge %d (opos=%.2f) snapped to %.2f,"
" was %.2f\n",
edge1 - edges, edge1->opos / 64.0, blue->fit / 64.0,
edge1->pos / 64.0 ));
edge1->pos = blue->fit;
edge1->flags |= AF_EDGE_DONE;
@ -1959,14 +1963,14 @@
else
edge->pos = FT_PIX_ROUND( edge->opos );
anchor = edge;
edge->flags |= AF_EDGE_DONE;
FT_TRACE5(( " ANCHOR: edge %d (opos=%.2f) and %d (opos=%.2f)"
" snapped to (%.2f) (%.2f)\n",
" snapped to %.2f and %.2f\n",
edge - edges, edge->opos / 64.0,
edge2 - edges, edge2->opos / 64.0,
edge->pos / 64.0, edge2->pos / 64.0 ));
anchor = edge;
edge->flags |= AF_EDGE_DONE;
af_latin_align_linked_edge( hints, dim, edge, edge2 );
}
@ -2028,8 +2032,8 @@
edge->pos = cur_pos1 - cur_len / 2;
edge2->pos = cur_pos1 + cur_len / 2;
FT_TRACE5(( " STEM: %d (opos=%.2f) to %d (opos=%.2f)"
" snapped to (%.2f) and (%.2f)\n",
FT_TRACE5(( " STEM: edge %d (opos=%.2f) linked to %d (opos=%.2f)"
" snapped to %.2f and %.2f\n",
edge - edges, edge->opos / 64.0,
edge2 - edges, edge2->opos / 64.0,
edge->pos / 64.0, edge2->pos / 64.0 ));
@ -2058,8 +2062,8 @@
edge->pos = ( delta1 < delta2 ) ? cur_pos1 : cur_pos2;
edge2->pos = edge->pos + cur_len;
FT_TRACE5(( " STEM: %d (opos=%.2f) to %d (opos=%.2f)"
" snapped to (%.2f) and (%.2f)\n",
FT_TRACE5(( " STEM: edge %d (opos=%.2f) linked to %d (opos=%.2f)"
" snapped to %.2f and %.2f\n",
edge - edges, edge->opos / 64.0,
edge2 - edges, edge2->opos / 64.0,
edge->pos / 64.0, edge2->pos / 64.0 ));
@ -2070,8 +2074,9 @@
if ( edge > edges && edge->pos < edge[-1].pos )
{
FT_TRACE5(( " BOUND: %d (pos=%.2f) to (%.2f)\n",
FT_TRACE5(( " BOUND: edge %d (pos=%.2f) moved to %.2f\n",
edge - edges, edge->pos / 64.0, edge[-1].pos / 64.0 ));
edge->pos = edge[-1].pos;
}
}
@ -2166,7 +2171,7 @@
{
af_latin_align_serif_edge( hints, edge->serif, edge );
FT_TRACE5(( " SERIF: edge %d (opos=%.2f) serif to %d (opos=%.2f)"
" aligned to (%.2f)\n",
" aligned to %.2f\n",
edge - edges, edge->opos / 64.0,
edge->serif - edges, edge->serif->opos / 64.0,
edge->pos / 64.0 ));
@ -2176,7 +2181,7 @@
edge->pos = FT_PIX_ROUND( edge->opos );
anchor = edge;
FT_TRACE5(( " SERIF_ANCHOR: edge %d (opos=%.2f)"
" snapped to (%.2f)\n",
" snapped to %.2f\n",
edge-edges, edge->opos / 64.0, edge->pos / 64.0 ));
}
else
@ -2203,7 +2208,7 @@
after->pos - before->pos,
after->opos - before->opos );
FT_TRACE5(( " SERIF_LINK1: edge %d (opos=%.2f) snapped to (%.2f)"
FT_TRACE5(( " SERIF_LINK1: edge %d (opos=%.2f) snapped to %.2f"
" from %d (opos=%.2f)\n",
edge - edges, edge->opos / 64.0,
edge->pos / 64.0,
@ -2215,7 +2220,7 @@
( ( edge->opos - anchor->opos + 16 ) & ~31 );
FT_TRACE5(( " SERIF_LINK2: edge %d (opos=%.2f)"
" snapped to (%.2f)\n",
" snapped to %.2f\n",
edge - edges, edge->opos / 64.0, edge->pos / 64.0 ));
}
}
@ -2223,12 +2228,22 @@
edge->flags |= AF_EDGE_DONE;
if ( edge > edges && edge->pos < edge[-1].pos )
{
FT_TRACE5(( " BOUND: edge %d (pos=%.2f) moved to %.2f\n",
edge - edges, edge->pos / 64.0, edge[-1].pos / 64.0 ));
edge->pos = edge[-1].pos;
}
if ( edge + 1 < edge_limit &&
edge[1].flags & AF_EDGE_DONE &&
edge->pos > edge[1].pos )
{
FT_TRACE5(( " BOUND: edge %d (pos=%.2f) moved to %.2f\n",
edge - edges, edge->pos / 64.0, edge[1].pos / 64.0 ));
edge->pos = edge[1].pos;
}
}
}

14
src/autofit/aflatin.h
View File

@ -4,7 +4,7 @@
/* */
/* Auto-fitter hinting routines for latin script (specification). */
/* */
/* Copyright 2003-2007, 2009, 2011 by */
/* Copyright 2003-2007, 2009, 2011-2012 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -174,25 +174,17 @@ FT_BEGIN_HEADER
/*
* This shouldn't normally be exported. However, other scripts might
* like to use this function as-is.
* The next functions shouldn't normally be exported. However, other
* scripts might like to use these functions as-is.
*/
FT_LOCAL( FT_Error )
af_latin_hints_compute_segments( AF_GlyphHints hints,
AF_Dimension dim );
/*
* This shouldn't normally be exported. However, other scripts might
* want to use this function as-is.
*/
FT_LOCAL( void )
af_latin_hints_link_segments( AF_GlyphHints hints,
AF_Dimension dim );
/*
* This shouldn't normally be exported. However, other scripts might
* want to use this function as-is.
*/
FT_LOCAL( FT_Error )
af_latin_hints_compute_edges( AF_GlyphHints hints,
AF_Dimension dim );

8
src/autofit/afloader.c
View File

@ -135,8 +135,8 @@
loader->trans_delta.x,
loader->trans_delta.y );
/* copy the outline points in the loader's current */
/* extra points which is used to keep original glyph coordinates */
/* copy the outline points in the loader's current */
/* extra points which are used to keep original glyph coordinates */
error = FT_GLYPHLOADER_CHECK_POINTS( gloader,
slot->outline.n_points + 4,
slot->outline.n_contours );
@ -347,8 +347,8 @@
l += num_base_points;
/* for now, only use the current point coordinates; */
/* we may consider another approach in the near future */
/* for now, only use the current point coordinates; */
/* we eventually may consider another approach */
p1 = gloader->base.outline.points + start_point + k;
p2 = gloader->base.outline.points + start_point + l;

2
src/autofit/aftypes.h
View File

@ -234,7 +234,7 @@ extern void* _af_debug_hints;
AF_SCRIPT_CJK = 2,
AF_SCRIPT_INDIC = 3,
#ifdef FT_OPTION_AUTOFIT2
AF_SCRIPT_LATIN2,
AF_SCRIPT_LATIN2 = 4,
#endif
/* add new scripts here. Don't forget to update the list in */