[test/create-from-png] Check loading of various colour types.

Check that when loading from index/gray/rgb PNGs, with and without
alpha/transparency, that the correct surface is generated by read_png(),
i.e. if the PNG contains an alpha channel then the image must be an
ARGB32 surface.

1 files changed, 0 insertions, 0 deletions

diff --git a/test/create-from-png-alpha-ref.png b/test/create-from-png-alpha-ref.png
new file mode 100644
index 000000000..a5175a1eb
--- /dev/null
+++ b/test/create-from-png-alpha-ref.png