commit d273ad2d0f183ee27fc2be043ff1d2f890cf0162
author John Bowler <jbowler@acm.org> Sat May 07 21:00:28 2011 -0500
committer Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Sat May 07 21:00:28 2011 -0500
tree 80c8af92a16366798664448471c88fbe044504aa
parent af855e415d541ac2bc3a6730fc0019a13fc37274

[devel] Implementation of premultiplied alpha support: png_set_alpha_mode

 (libpng-manual.txt still to be updated, see png.h for documentation.)

pngwutil.c

diff --git a/pngwutil.c b/pngwutil.c
index 0b48215..e22a307 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -315,7 +315,7 @@
                break;
          }
 
-         png_warning_parameter_unsigned(p, 1, PNG_NUMBER_FORMAT_d, ret);
+         png_warning_parameter_signed(p, 1, PNG_NUMBER_FORMAT_d, ret);
          png_warning_parameter(p, 2, err);
 
          if (png_ptr->zstream.msg)
@@ -1549,7 +1549,7 @@
          PNG_WARNING_PARAMETERS(p)
 
          png_warning_parameter_unsigned(p, 1, PNG_NUMBER_FORMAT_02x,
-            *ikp);
+            (png_byte)*ikp);
          png_formatted_warning(png_ptr, p, "invalid keyword character 0x@1");
          *dp = ' ';
       }