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[sdf] Add debugging function.

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* src/sdf/ftsdf.c (sdf_shape_dump): New function.
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Anuj Verma 2020-08-21 04:59:08 -07:00 committed by Werner Lemberg
parent 6444875f68
commit b298a64464
2 changed files with 106 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,9 @@
2020-08-21 Anuj Verma <anujv@iitbhilai.ac.in>
[sdf] Add debugging function.
* src/sdf/ftsdf.c (sdf_shape_dump): New function.
2020-08-20 Anuj Verma <anujv@iitbhilai.ac.in>
[sdf] Add 'bsdf' renderer to 'sdf' module.

100
src/sdf/ftsdf.c
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@ -1390,6 +1390,106 @@
}
/**************************************************************************
*
* for debugging
*
*/
#ifdef FT_DEBUG_LEVEL_TRACE
static void
sdf_shape_dump( SDF_Shape* shape )
{
FT_UInt num_contours = 0;
FT_UInt total_edges = 0;
FT_UInt total_lines = 0;
FT_UInt total_conic = 0;
FT_UInt total_cubic = 0;
SDF_Contour* contour_list;
if ( !shape )
{
FT_TRACE5(( "sdf_shape_dump: null shape\n" ));
return;
}
contour_list = shape->contours;
FT_TRACE5(( "sdf_shape_dump (values are in 26.6 format):\n" ));
while ( contour_list )
{
FT_UInt num_edges = 0;
SDF_Edge* edge_list;
SDF_Contour* contour = contour_list;
FT_TRACE5(( " Contour %d\n", num_contours ));
edge_list = contour->edges;
while ( edge_list )
{
SDF_Edge* edge = edge_list;
FT_TRACE5(( " %3d: ", num_edges ));
switch ( edge->edge_type )
{
case SDF_EDGE_LINE:
FT_TRACE5(( "Line: (%ld, %ld) -- (%ld, %ld)\n",
edge->start_pos.x, edge->start_pos.y,
edge->end_pos.x, edge->end_pos.y ));
total_lines++;
break;
case SDF_EDGE_CONIC:
FT_TRACE5(( "Conic: (%ld, %ld) .. (%ld, %ld) .. (%ld, %ld)\n",
edge->start_pos.x, edge->start_pos.y,
edge->control_a.x, edge->control_a.y,
edge->end_pos.x, edge->end_pos.y ));
total_conic++;
break;
case SDF_EDGE_CUBIC:
FT_TRACE5(( "Cubic: (%ld, %ld) .. (%ld, %ld)"
" .. (%ld, %ld) .. (%ld %ld)\n",
edge->start_pos.x, edge->start_pos.y,
edge->control_a.x, edge->control_a.y,
edge->control_b.x, edge->control_b.y,
edge->end_pos.x, edge->end_pos.y ));
total_cubic++;
break;
default:
break;
}
num_edges++;
total_edges++;
edge_list = edge_list->next;
}
num_contours++;
contour_list = contour_list->next;
}
FT_TRACE5(( "\n" ));
FT_TRACE5(( " total number of contours = %d\n", num_contours ));
FT_TRACE5(( " total number of edges = %d\n", total_edges ));
FT_TRACE5(( " |__lines = %d\n", total_lines ));
FT_TRACE5(( " |__conic = %d\n", total_conic ));
FT_TRACE5(( " |__cubic = %d\n", total_cubic ));
}
#endif /* FT_DEBUG_LEVEL_TRACE */
/**************************************************************************
*
* math functions