3 files changed, 8 insertions, 0 deletions
diff --git a/src/drv/cddxf.c b/src/drv/cddxf.c
index f8c9a28..c5d0df5 100644
--- a/src/drv/cddxf.c
+++ b/src/drv/cddxf.c
@@ -683,6 +683,7 @@ static void cdarc (cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double
     bulge = calc_bulge (a, b, t, t+seg_angle); /* and t+seg_angle and write */
     writevertex (ctxcanvas, xc, yc, a, b, t, bulge);      /* vertex at t               */
   }
+
   writevertex (ctxcanvas, xc, yc, a, b, t2, 0);     /* bulge of last vertex is useless */
 
   fprintf ( ctxcanvas->file, "0\n" );
@@ -731,12 +732,15 @@ static void cdsector (cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, doub
 
   if ((a2-a1) != 360)
     writevertex (ctxcanvas, xc, yc, 0, 0, 0, 0);    /* center */
+
   for (i=0, t=t1; i<nseg; i++, t+=seg_angle)
   {                                            /* calculate bulge between t */
     bulge = calc_bulge (a, b, t, t+seg_angle); /* and t+seg_angle and write */
     writevertex (ctxcanvas, xc, yc, a, b, t, bulge);      /* vertex at t               */
   }
+
   writevertex (ctxcanvas, xc, yc, a, b, t2, 0);     /* bulge of last vertex is useless */
+
   if ((a2-a1) != 360)
     writevertex (ctxcanvas, xc, yc, 0, 0, 0, 0);    /* center */
 
diff --git a/src/drv/cdpdf.c b/src/drv/cdpdf.c
index 4614568..2c48d50 100644
--- a/src/drv/cdpdf.c
+++ b/src/drv/cdpdf.c
@@ -328,6 +328,8 @@ static void cdfarc(cdCtxCanvas *ctxcanvas, double xc, double yc, double w, doubl
 {
   sUpdateFill(ctxcanvas, 0);
 
+  /* angles in degrees counterclockwise, same as CD */
+
   if (w==h)
   {
     PDF_arc(ctxcanvas->pdf, xc, yc, 0.5*w, a1, a2);
diff --git a/src/drv/cdps.c b/src/drv/cdps.c
index ce45397..b651994 100644
--- a/src/drv/cdps.c
+++ b/src/drv/cdps.c
@@ -624,6 +624,8 @@ static void cdarc(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double a
 {
   sUpdateFill(ctxcanvas, 0);
 
+  /* angles in degrees counterclockwise, same as CD */
+
   if (w==h) /* Circulo: PS implementa direto */
   {
     fprintf(ctxcanvas->file, "N %d %d %g %g %g arc S\n", xc, yc, 0.5*w, a1, a2);