From 63ab36f3a0b5e9ceb12be57ff30607607ec754f6 Mon Sep 17 00:00:00 2001
From: t-bltg <tf.bltg@gmail.com>
Date: Tue, 12 Nov 2024 22:08:40 +0100
Subject: [PATCH] fix PGFPLotsX extension

---
 PlotsBase/ext/PGFPlotsXExt.jl    | 24 +++++++++++++++++++++---
 PlotsBase/test/test_hdf5plots.jl |  2 +-
 Project.toml                     |  7 +------
 3 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/PlotsBase/ext/PGFPlotsXExt.jl b/PlotsBase/ext/PGFPlotsXExt.jl
index 166ab63be..1df7be86c 100644
--- a/PlotsBase/ext/PGFPlotsXExt.jl
+++ b/PlotsBase/ext/PGFPlotsXExt.jl
@@ -1,14 +1,12 @@
 module PGFPlotsXExt
 
-import PlotsBase: PlotsBase, PrecompileTools, RecipesPipeline, pgfx_sanitize_string, Plot
+import PlotsBase: PlotsBase, PrecompileTools, RecipesPipeline, PlotUtils, pgfx_sanitize_string, Plot
 import LaTeXStrings: LaTeXString
 import Printf: @sprintf
 
-import PlotUtils
 import Latexify
 import Contour  # PGFPlotsX extension
 import Colors  # PGFPlotsX extension
-
 import PGFPlotsX
 
 using PlotsBase.Annotations
@@ -28,6 +26,26 @@ using PlotsBase.Axes
 struct PGFPlotsXBackend <: PlotsBase.AbstractBackend end
 PlotsBase.@extension_static PGFPlotsXBackend pgfplotsx
 
+######################################################
+# FIXME: extension issue, from PGFPlotsX
+function _rgb_for_printing(c::Colors.Colorant)
+    rgb = convert(Colors.RGB{Float64}, c)
+    # round colors since pgfplots cannot parse scientific notation, eg 1e-10
+    round.((Colors.red(rgb), Colors.green(rgb), Colors.blue(rgb)); digits = 4)
+end
+function PGFPlotsX.print_opt(io::IO, c::Colors.Colorant)
+    rgb_64 = _rgb_for_printing(c)
+    print(io, "rgb,1:",
+            "red,"  , rgb_64[1], ";",
+            "green,", rgb_64[2], ";",
+            "blue," , rgb_64[3])
+end
+function PGFPlotsX.print_tex(io::IO, c::Colors.Colorant)
+    rgb_64 = _rgb_for_printing(c)
+    print(io, "rgb=", rgb_64[1], ",", rgb_64[2], ",", rgb_64[3])
+end
+######################################################
+
 const _pgfplotsx_attrs = PlotsBase.merge_with_base_supported([
     :annotations,
     :annotationrotation,
diff --git a/PlotsBase/test/test_hdf5plots.jl b/PlotsBase/test/test_hdf5plots.jl
index 956f31391..acab1535a 100644
--- a/PlotsBase/test/test_hdf5plots.jl
+++ b/PlotsBase/test/test_hdf5plots.jl
@@ -1,5 +1,5 @@
 import HDF5
-const HDF5 = Base.get_extension(PlotsBase, :HDF5).HDF5
+const HDF5 = Base.get_extension(PlotsBase, :HDF5Ext).HDF5
 
 @testset "HDF5_Plots" begin
     fname = tempname() * ".hdf5"
diff --git a/Project.toml b/Project.toml
index fb07cb29c..13d25619f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -4,18 +4,13 @@ author = ["Tom Breloff (@tbreloff)"]
 version = "2.0.0"
 
 [deps]
-Contour = "d38c429a-6771-53c6-b99e-75d170b6e991"
 GR = "28b8d3ca-fb5f-59d9-8090-bfdbd6d07a71"
-PGFPlotsX = "8314cec4-20b6-5062-9cdb-752b83310925"
 PlotsBase = "c52230a3-c5da-43a3-9e85-260fcdfdc737"
 PrecompileTools = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
-RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
-RecipesPipeline = "01d81517-befc-4cb6-b9ec-a95719d0359c"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 
 [compat]
-Contour = "0.6.3"
-GR = "0.73, 1"
+GR = "0.73"
 PlotsBase = "0.1"
 PrecompileTools = "1"
 Reexport = "1"