From e8fd5a794f244c850499f24f52cd9c6ff8535cc4 Mon Sep 17 00:00:00 2001
From: Tobias Knopp <tobias@knoppweb.de>
Date: Tue, 10 Oct 2023 15:16:33 +0000
Subject: [PATCH] add missing file

---
 src/Optional/CairoMakie.jl | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 src/Optional/CairoMakie.jl

diff --git a/src/Optional/CairoMakie.jl b/src/Optional/CairoMakie.jl
new file mode 100644
index 0000000..640f420
--- /dev/null
+++ b/src/Optional/CairoMakie.jl
@@ -0,0 +1,15 @@
+import .CairoMakie: Figure
+
+function Base.convert(t::Type{PngImage}, plot::CairoMakie.Figure)
+    pb = PipeBuffer()
+    show(pb, MIME("image/png"), plot)
+    return PngImage(pb)
+end
+
+preprocess(name, plot::CairoMakie.Figure, data) = preprocess(name, convert(PngImage, plot), data)
+preprocess(name, plots::AbstractArray{<:CairoMakie.Figure}, data) = begin
+    for (i, plot)=enumerate(plots)
+        preprocess(name*"/$i", plot, data)
+    end
+    return data
+end