Commit b298a644648a613898866f3f117f62c47f0f7d12
2020-08-21T04:59:08
[sdf] Add debugging function. * src/sdf/ftsdf.c (sdf_shape_dump): New function.
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diff --git a/ChangeLog b/ChangeLog
index 439fb89..ed652a9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -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.
diff --git a/src/sdf/ftsdf.c b/src/sdf/ftsdf.c
index 1edb000..77794dd 100644
--- a/src/sdf/ftsdf.c
+++ b/src/sdf/ftsdf.c
@@ -1392,6 +1392,106 @@
/**************************************************************************
*
+ * 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
*
*/