From 2cbb2764cc3804260983057eb8eb07e1ae1edd48 Mon Sep 17 00:00:00 2001
From: Alexey Morozov <alexey.morozov.is@gmail.com>
Date: Tue, 12 Dec 2023 17:55:33 +0100
Subject: [PATCH] WIP: Draft eps2svg

---
 lib/isodoc/presentation_function/image.rb | 15 ++++++++++++++-
 spec/isodoc/presentation_xml_spec.rb      | 12 ++++++++----
 2 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/lib/isodoc/presentation_function/image.rb b/lib/isodoc/presentation_function/image.rb
index bb1b1594..3b522755 100644
--- a/lib/isodoc/presentation_function/image.rb
+++ b/lib/isodoc/presentation_function/image.rb
@@ -63,7 +63,7 @@ def figure_label(elem)
     end
 
     def eps2svg(img)
-      # pp "Running eps2svg"
+      pp "Running eps2svg"
       return unless eps?(img["mimetype"])
 
       img["mimetype"] = "image/svg+xml"
@@ -111,6 +111,19 @@ def eps_to_svg(node)
       ret = imgfile_suffix(uri, "svg")
       File.exist?(ret) and return ret
       inkscape_convert(uri, ret, "--export-plain-svg --export-type='svg'")
+      # pp "called"
+      # if node.text.strip.empty?
+        # pp "text empty"
+        # uri = node["src"]
+        # ret = imgfile_suffix(uri, "svg")
+        # File.exist?(ret) and return ret
+        # Vectory::Eps.from_path(uri).to_svg.write(ret).path
+      # else
+        # pp "else"
+        # a = Base64.strict_encode64(node.children.to_xml)
+        # datauri_src = "data:application/postscript;base64,#{a}"
+        # Vectory::Datauri.new(datauri_src).to_vector.to_svg.write.path
+      # end
     end
 
     def svg_to_emf(node)
diff --git a/spec/isodoc/presentation_xml_spec.rb b/spec/isodoc/presentation_xml_spec.rb
index 3b08cd61..00e244d2 100644
--- a/spec/isodoc/presentation_xml_spec.rb
+++ b/spec/isodoc/presentation_xml_spec.rb
@@ -798,7 +798,7 @@
       .to be_equivalent_to (output)
   end
 
-  xit "converts EPS to SVG files" do
+  it "converts EPS to SVG files" do
     input = <<~INPUT
       <iso-standard xmlns="http://riboseinc.com/isoxml">
       <bibdata/>
@@ -1012,7 +1012,8 @@
             </iso-standard>
     INPUT
     output = <<~OUTPUT
-          <iso-standard xmlns="http://riboseinc.com/isoxml" type="presentation">
+      <?xml version="1.0" encoding="UTF-8"?>
+      <iso-standard xmlns="http://riboseinc.com/isoxml" type="presentation">
       <bibdata/>
          <preface> <clause type="toc" id="_" displayorder="1"> <title depth="1">Table of contents</title> </clause> </preface>
       <sections>
@@ -1025,11 +1026,14 @@
                </sections>
             </iso-standard>
     OUTPUT
-    expect(xmlpp(strip_guid(IsoDoc::PresentationXMLConvert.new(presxml_options)
+    first = xmlpp(strip_guid(IsoDoc::PresentationXMLConvert.new(presxml_options)
   .convert("test", input, true)
   .sub(%r{<localized-strings>.*</localized-strings>}m, "")
       .gsub(%r{src="[^"]+?\.emf"}, 'src="_.emf"')
-      .gsub(%r{src="[^"]+?\.svg"}, 'src="_.svg"'))))
+      .gsub(%r{src="[^"]+?\.svg"}, 'src="_.svg"')))
+    File.write("first", first)
+    File.write("second", output)
+    expect(first)
       .to be_equivalent_to (output)
   end