diff --git a/test/gradient-alpha-ref.png b/test/gradient-alpha-ref.png index 7acbb3b0d..43a0509bc 100644 Binary files a/test/gradient-alpha-ref.png and b/test/gradient-alpha-ref.png differ diff --git a/test/gradient-alpha-rgb24-ref.png b/test/gradient-alpha-rgb24-ref.png index 6703e4c4a..93ce8f592 100644 Binary files a/test/gradient-alpha-rgb24-ref.png and b/test/gradient-alpha-rgb24-ref.png differ diff --git a/test/linear-gradient-ref.png b/test/linear-gradient-ref.png index 8568c13ce..00626bb62 100644 Binary files a/test/linear-gradient-ref.png and b/test/linear-gradient-ref.png differ diff --git a/test/mask-ref.png b/test/mask-ref.png index d28e64233..7456d2b5e 100644 Binary files a/test/mask-ref.png and b/test/mask-ref.png differ diff --git a/test/mask-rgb24-ref.png b/test/mask-rgb24-ref.png index a9c6a5b79..4c7b0bded 100644 Binary files a/test/mask-rgb24-ref.png and b/test/mask-rgb24-ref.png differ diff --git a/test/operator-source-ref.png b/test/operator-source-ref.png index 5cd357164..f0e6d3092 100644 Binary files a/test/operator-source-ref.png and b/test/operator-source-ref.png differ diff --git a/test/operator-source-rgb24-ref.png b/test/operator-source-rgb24-ref.png index 7f49db078..386587122 100644 Binary files a/test/operator-source-rgb24-ref.png and b/test/operator-source-rgb24-ref.png differ diff --git a/test/push-group-ref.png b/test/push-group-ref.png index ea66f0a99..f1dead10b 100644 Binary files a/test/push-group-ref.png and b/test/push-group-ref.png differ diff --git a/test/push-group-rgb24-ref.png b/test/push-group-rgb24-ref.png index 5d2cbbe68..d658851e4 100644 Binary files a/test/push-group-rgb24-ref.png and b/test/push-group-rgb24-ref.png differ diff --git a/test/text-pattern-ref.png b/test/text-pattern-ref.png index 8de428ed6..38529cfe7 100644 Binary files a/test/text-pattern-ref.png and b/test/text-pattern-ref.png differ diff --git a/test/text-pattern-rgb24-ref.png b/test/text-pattern-rgb24-ref.png index cf4b937dc..ae87c6f4d 100644 Binary files a/test/text-pattern-rgb24-ref.png and b/test/text-pattern-rgb24-ref.png differ diff --git a/test/trap-clip-ref.png b/test/trap-clip-ref.png index d7397a921..6c1f1e3c5 100644 Binary files a/test/trap-clip-ref.png and b/test/trap-clip-ref.png differ diff --git a/test/trap-clip-rgb24-ref.png b/test/trap-clip-rgb24-ref.png index 7506b82e4..6908ca3a5 100644 Binary files a/test/trap-clip-rgb24-ref.png and b/test/trap-clip-rgb24-ref.png differ