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-rwxr-xr-x[-rw-r--r--]freetype/src/autofit/afhints.c200
1 files changed, 111 insertions, 89 deletions
diff --git a/freetype/src/autofit/afhints.c b/freetype/src/autofit/afhints.c
index 25864c52f..01708b3d7 100644..100755
--- a/freetype/src/autofit/afhints.c
+++ b/freetype/src/autofit/afhints.c
@@ -4,7 +4,7 @@
/* */
/* Auto-fitter hinting routines (body). */
/* */
-/* Copyright 2003-2007, 2009-2011 by */
+/* Copyright 2003-2007, 2009-2012 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -19,6 +19,17 @@
#include "afhints.h"
#include "aferrors.h"
#include <freetype/internal/ftcalc.h>
+#include FT_INTERNAL_DEBUG_H
+
+
+ /*************************************************************************/
+ /* */
+ /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
+ /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
+ /* messages during execution. */
+ /* */
+#undef FT_COMPONENT
+#define FT_COMPONENT trace_afhints
/* Get new segment for given axis. */
@@ -70,7 +81,7 @@
FT_Int fpos,
AF_Direction dir,
FT_Memory memory,
- AF_Edge *aedge )
+ AF_Edge *anedge )
{
FT_Error error = AF_Err_Ok;
AF_Edge edge = NULL;
@@ -124,7 +135,7 @@
edge->dir = (FT_Char)dir;
Exit:
- *aedge = edge;
+ *anedge = edge;
return error;
}
@@ -175,29 +186,27 @@
AF_Point point;
- printf( "Table of points:\n" );
- printf( " [ index | xorg | yorg | xscale | yscale"
- " | xfit | yfit | flags ]\n" );
+ FT_TRACE7(( "Table of points:\n"
+ " [ index | xorg | yorg | xscale | yscale"
+ " | xfit | yfit | flags ]\n" ));
for ( point = points; point < limit; point++ )
- {
- printf( " [ %5d | %5d | %5d | %6.2f | %6.2f"
- " | %5.2f | %5.2f | %c%c%c%c%c%c ]\n",
- point - points,
- point->fx,
- point->fy,
- point->ox / 64.0,
- point->oy / 64.0,
- point->x / 64.0,
- point->y / 64.0,
- ( point->flags & AF_FLAG_WEAK_INTERPOLATION ) ? 'w' : ' ',
- ( point->flags & AF_FLAG_INFLECTION ) ? 'i' : ' ',
- ( point->flags & AF_FLAG_EXTREMA_X ) ? '<' : ' ',
- ( point->flags & AF_FLAG_EXTREMA_Y ) ? 'v' : ' ',
- ( point->flags & AF_FLAG_ROUND_X ) ? '(' : ' ',
- ( point->flags & AF_FLAG_ROUND_Y ) ? 'u' : ' ');
- }
- printf( "\n" );
+ FT_TRACE7(( " [ %5d | %5d | %5d | %6.2f | %6.2f"
+ " | %5.2f | %5.2f | %c%c%c%c%c%c ]\n",
+ point - points,
+ point->fx,
+ point->fy,
+ point->ox / 64.0,
+ point->oy / 64.0,
+ point->x / 64.0,
+ point->y / 64.0,
+ ( point->flags & AF_FLAG_WEAK_INTERPOLATION ) ? 'w' : ' ',
+ ( point->flags & AF_FLAG_INFLECTION ) ? 'i' : ' ',
+ ( point->flags & AF_FLAG_EXTREMA_X ) ? '<' : ' ',
+ ( point->flags & AF_FLAG_EXTREMA_Y ) ? 'v' : ' ',
+ ( point->flags & AF_FLAG_ROUND_X ) ? '(' : ' ',
+ ( point->flags & AF_FLAG_ROUND_Y ) ? 'u' : ' '));
+ FT_TRACE7(( "\n" ));
}
#ifdef __cplusplus
}
@@ -226,7 +235,7 @@
if ( pos == 0 )
return "normal";
- temp[pos] = 0;
+ temp[pos] = '\0';
return temp;
}
@@ -246,30 +255,41 @@
for ( dimension = 1; dimension >= 0; dimension-- )
{
AF_AxisHints axis = &hints->axis[dimension];
+ AF_Point points = hints->points;
+ AF_Edge edges = axis->edges;
AF_Segment segments = axis->segments;
AF_Segment limit = segments + axis->num_segments;
AF_Segment seg;
- printf ( "Table of %s segments:\n",
- dimension == AF_DIMENSION_HORZ ? "vertical" : "horizontal" );
- printf ( " [ index | pos | dir | link | serif |"
- " height | extra | flags ]\n" );
+ FT_TRACE7(( "Table of %s segments:\n",
+ dimension == AF_DIMENSION_HORZ ? "vertical"
+ : "horizontal" ));
+ if (axis->num_segments)
+ FT_TRACE7(( " [ index | pos | dir | from"
+ " | to | link | serif | edge"
+ " | height | extra | flags ]\n" ));
+ else
+ FT_TRACE7(( " (none)\n" ));
for ( seg = segments; seg < limit; seg++ )
- {
- printf ( " [ %5d | %5.2g | %5s | %4d | %5d | %6d | %5d | %11s ]\n",
- seg - segments,
- dimension == AF_DIMENSION_HORZ ? (int)seg->first->ox / 64.0
- : (int)seg->first->oy / 64.0,
- af_dir_str( (AF_Direction)seg->dir ),
- AF_INDEX_NUM( seg->link, segments ),
- AF_INDEX_NUM( seg->serif, segments ),
- seg->height,
- seg->height - ( seg->max_coord - seg->min_coord ),
- af_edge_flags_to_string( (AF_Edge_Flags)seg->flags ) );
- }
- printf( "\n" );
+ FT_TRACE7(( " [ %5d | %5.2g | %5s | %4d"
+ " | %4d | %4d | %5d | %4d"
+ " | %6d | %5d | %11s ]\n",
+ seg - segments,
+ dimension == AF_DIMENSION_HORZ
+ ? (int)seg->first->ox / 64.0
+ : (int)seg->first->oy / 64.0,
+ af_dir_str( (AF_Direction)seg->dir ),
+ AF_INDEX_NUM( seg->first, points ),
+ AF_INDEX_NUM( seg->last, points ),
+ AF_INDEX_NUM( seg->link, segments ),
+ AF_INDEX_NUM( seg->serif, segments ),
+ AF_INDEX_NUM( seg->edge, edges ),
+ seg->height,
+ seg->height - ( seg->max_coord - seg->min_coord ),
+ af_edge_flags_to_string( (AF_Edge_Flags)seg->flags ) ));
+ FT_TRACE7(( "\n" ));
}
}
#ifdef __cplusplus
@@ -363,26 +383,28 @@
* note: AF_DIMENSION_HORZ corresponds to _vertical_ edges
* since they have a constant X coordinate.
*/
- printf ( "Table of %s edges:\n",
- dimension == AF_DIMENSION_HORZ ? "vertical" : "horizontal" );
- printf ( " [ index | pos | dir | link |"
- " serif | blue | opos | pos | flags ]\n" );
+ FT_TRACE7(( "Table of %s edges:\n",
+ dimension == AF_DIMENSION_HORZ ? "vertical"
+ : "horizontal" ));
+ if ( axis->num_edges )
+ FT_TRACE7(( " [ index | pos | dir | link"
+ " | serif | blue | opos | pos | flags ]\n" ));
+ else
+ FT_TRACE7(( " (none)\n" ));
for ( edge = edges; edge < limit; edge++ )
- {
- printf ( " [ %5d | %5.2g | %5s | %4d |"
- " %5d | %c | %5.2f | %5.2f | %11s ]\n",
- edge - edges,
- (int)edge->opos / 64.0,
- af_dir_str( (AF_Direction)edge->dir ),
- AF_INDEX_NUM( edge->link, edges ),
- AF_INDEX_NUM( edge->serif, edges ),
- edge->blue_edge ? 'y' : 'n',
- edge->opos / 64.0,
- edge->pos / 64.0,
- af_edge_flags_to_string( (AF_Edge_Flags)edge->flags ) );
- }
- printf( "\n" );
+ FT_TRACE7(( " [ %5d | %5.2g | %5s | %4d"
+ " | %5d | %c | %5.2f | %5.2f | %11s ]\n",
+ edge - edges,
+ (int)edge->opos / 64.0,
+ af_dir_str( (AF_Direction)edge->dir ),
+ AF_INDEX_NUM( edge->link, edges ),
+ AF_INDEX_NUM( edge->serif, edges ),
+ edge->blue_edge ? 'y' : 'n',
+ edge->opos / 64.0,
+ edge->pos / 64.0,
+ af_edge_flags_to_string( (AF_Edge_Flags)edge->flags ) ));
+ FT_TRACE7(( "\n" ));
}
}
#ifdef __cplusplus
@@ -494,8 +516,8 @@
}
}
- /* return no direction if arm lengths differ too much */
- /* (value 14 is heuristic) */
+ /* return no direction if arm lengths differ too much */
+ /* (value 14 is heuristic, corresponding to approx. 4.1 degrees) */
ss *= 14;
if ( FT_ABS( ll ) <= FT_ABS( ss ) )
dir = AF_DIR_NONE;
@@ -516,40 +538,40 @@
FT_LOCAL_DEF( void )
af_glyph_hints_done( AF_GlyphHints hints )
{
- if ( hints && hints->memory )
- {
- FT_Memory memory = hints->memory;
- int dim;
+ FT_Memory memory = hints->memory;
+ int dim;
- /*
- * note that we don't need to free the segment and edge
- * buffers since they are really within the hints->points array
- */
- for ( dim = 0; dim < AF_DIMENSION_MAX; dim++ )
- {
- AF_AxisHints axis = &hints->axis[dim];
+ if ( !( hints && hints->memory ) )
+ return;
+ /*
+ * note that we don't need to free the segment and edge
+ * buffers since they are really within the hints->points array
+ */
+ for ( dim = 0; dim < AF_DIMENSION_MAX; dim++ )
+ {
+ AF_AxisHints axis = &hints->axis[dim];
- axis->num_segments = 0;
- axis->max_segments = 0;
- FT_FREE( axis->segments );
- axis->num_edges = 0;
- axis->max_edges = 0;
- FT_FREE( axis->edges );
- }
+ axis->num_segments = 0;
+ axis->max_segments = 0;
+ FT_FREE( axis->segments );
- FT_FREE( hints->contours );
- hints->max_contours = 0;
- hints->num_contours = 0;
+ axis->num_edges = 0;
+ axis->max_edges = 0;
+ FT_FREE( axis->edges );
+ }
- FT_FREE( hints->points );
- hints->num_points = 0;
- hints->max_points = 0;
+ FT_FREE( hints->contours );
+ hints->max_contours = 0;
+ hints->num_contours = 0;
- hints->memory = NULL;
- }
+ FT_FREE( hints->points );
+ hints->num_points = 0;
+ hints->max_points = 0;
+
+ hints->memory = NULL;
}
@@ -745,7 +767,7 @@
/* check for weak points */
- if ( point->flags & ( AF_FLAG_CONIC | AF_FLAG_CUBIC ) )
+ if ( point->flags & AF_FLAG_CONTROL )
{
Is_Weak_Point:
point->flags |= AF_FLAG_WEAK_INTERPOLATION;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 11:57:17 +0000