# HG changeset patch
# User Pantxo Diribarne <pantxo.diribarne@gmail.com>
# Date 1589272929 -7200
# Node ID 332e644726f9e78a256a9d826b9413c8e0368cd7
# Parent  c198760f291549d094e9f8f4dc5c177f034a9239
Allow printing transparent scatter objects (bug #58282)

* gl2ps-print.cc (gl2ps_renderer::has_alpha): Detect new scatter objects
  and check their markerfacealpha property value.

diff -r c198760f2915 -r 332e644726f9 libinterp/corefcn/gl2ps-print.cc
--- a/libinterp/corefcn/gl2ps-print.cc	Sun May 10 21:17:34 2020 +0200
+++ b/libinterp/corefcn/gl2ps-print.cc	Tue May 12 10:42:09 2020 +0200
@@ -128,6 +128,13 @@
               && fa.double_value () < 1)
             retval = true;
         }
+      else if (go.isa ("scatter"))
+        {
+          octave_value fa = go.get ("markerfacealpha");
+          if (fa.is_scalar_type () && fa.is_double_type ()
+              && fa.double_value () < 1)
+            retval = true;
+        }
 
       return retval;
     }