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[sdf] Added debugging function.

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* src/sdf/ftsdf.c (sdf_shape_dump): Added a debugging function which can be used
  to debug issues with the outline, contours, edges etc.
This commit is contained in:
Anuj Verma 2020-08-21 04:59:08 -07:00
parent ed49facfe0
commit 7c2a64b709
1 changed files with 108 additions and 0 deletions
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108
src/sdf/ftsdf.c
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@ -1325,6 +1325,114 @@
return error;
}
/**************************************************************************
*
* 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] sdf_shape_dump: null shape\n" ));
return;
}
contour_list = shape->contours;
FT_TRACE5(( "-------------------------------------------------\n" ));
FT_TRACE5(( "[sdf] sdf_shape_dump:\n" ));
while ( contour_list )
{
FT_UInt num_edges = 0;
SDF_Edge* edge_list;
SDF_Contour* contour = contour_list;
edge_list = contour->edges;
FT_TRACE5(( "Contour %d\n", num_contours ));
while ( edge_list )
{
SDF_Edge* edge = edge_list;
FT_TRACE5(( " Edge %d\n", num_edges ));
switch (edge->edge_type) {
case SDF_EDGE_LINE:
FT_TRACE5(( " Edge Type: Line\n" ));
FT_TRACE5(( " ---------------\n" ));
FT_TRACE5(( " Start Pos: %ld, %ld\n", edge->start_pos.x,
edge->start_pos.y ));
FT_TRACE5(( " End Pos : %ld, %ld\n", edge->end_pos.x,
edge->end_pos.y ));
total_lines++;
break;
case SDF_EDGE_CONIC:
FT_TRACE5(( " Edge Type: Conic Bezier\n" ));
FT_TRACE5(( " -----------------------\n" ));
FT_TRACE5(( " Start Pos: %ld, %ld\n", edge->start_pos.x,
edge->start_pos.y ));
FT_TRACE5(( " Ctrl1 Pos: %ld, %ld\n", edge->control_a.x,
edge->control_a.y ));
FT_TRACE5(( " End Pos : %ld, %ld\n", edge->end_pos.x,
edge->end_pos.y ));
total_conic++;
break;
case SDF_EDGE_CUBIC:
FT_TRACE5(( " Edge Type: Cubic Bezier\n" ));
FT_TRACE5(( " -----------------------\n" ));
FT_TRACE5(( " Start Pos: %ld, %ld\n", edge->start_pos.x,
edge->start_pos.y ));
FT_TRACE5(( " Ctrl1 Pos: %ld, %ld\n", edge->control_a.x,
edge->control_a.y ));
FT_TRACE5(( " Ctrl2 Pos: %ld, %ld\n", edge->control_b.x,
edge->control_b.y ));
FT_TRACE5(( " End Pos : %ld, %ld\n", 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(( "*note: the above values are "
"in 26.6 fixed point format*\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 ));
FT_TRACE5(( "[sdf] sdf_shape_dump complete\n" ));
FT_TRACE5(( "-------------------------------------------------\n" ));
}
#endif
/**************************************************************************
*
* math functions