(ugly) labels come back to graphics

adding filling to the text

fix Export to svg

fix Export to svg for general expressions

fixing tests. fixing handling 2d expressions. blacken

improving the position of labels

restoring mathics/test.py from mater

less kriptic code in xport

fixing the text

boxes_to_xml->boxes_to_mathml

fix typo

improving format in evaluation

restoring evaluation

fix

handling graphics in insets

removing debug prints

CHANGES.rst

Make axis text opacity 0.5

More generally also allow InsetBox opacity to be specified.

Simplify svg <text/> formatting

Split <text> parameters in template into text_pos_opts, text_style_opts, and css_style.

typos in CHANGES.rst

Author: mmatera

CHANGES.rst

@@ -29,6 +29,7 @@ Enhancements
 * Improvements in handling products with infinite factors: ``0 Infinity``-> ``Indeterminate``, and ``expr Infinity``-> ``DirectedInfinite[expr]`.
 * ``SetDelayed`` now accept several conditions impossed both at LHS as well as RHS.
 
+  
 Bug fixes
 +++++++++
 
@@ -53,6 +54,13 @@ Miscellanea
 Windows under MSYS.
 * Include numpy version in version string. Show in CLI
 * Small CLI tweaks ``--colors=None`` added to match mathicsscript.
+* In the ``BaseExpression`` and derivated classes, the method ``boxes_to_xml`` now are called ``boxes_to_mathml``.
+* In the ``format`` method of the class ``Evaluation``,  the builtin ``ToString`` is called instead of  ``boxes_to_text``
+  In order to control the final form of boxes from the user space in specific symbols and contexts.
+* ``GraphicsBox`` now have two methods:  ``to_svg`` and  ``to_mathml``. The first produces SVG plain text while the second produces ``<mglyph ...>``
+  tags with base64 encoded svgs.
+* Improving the support for ``Inset`` and  ``InsetBox``.
+
 
 2.0.0
 -----

mathics/autoload/formats/SVG/Export.m

@@ -4,13 +4,17 @@
 
 
 SVGExport[filename_, expr_, opts___] := 
-  Module[{strm, data}, 
+  Module[{strm, data, p, q, expr2}, 
     strm = OpenWrite[filename];
     If[strm === $Failed, Return[$Failed]];
-    If[System`$UseSansSerif,
-	    data = StringTake[ToString[MathMLForm[expr]],{23,-8}],
-	    data = StringTake[ToString[MathMLForm[expr]],{23,-8}]];
-    WriteString[strm, "<svg>" <> data <> "</svg>"];
+    expr2 = If[Head[expr]=!=System`Graphics, System`Graphics[{System`Inset[ToString[expr]]}], expr];
+	 expr2= MathMLForm[expr2];
+    data=ToString[expr2];
+    p = StringPosition[data, "data:image/svg+xml;base64"][[1]][[2]];
+    (*Let's assume that the end of the string is reached just before the last quote. *)
+    q = StringPosition[data,"\""][[-1]][[-2]];
+    data = StringTake[data  ,{p+2,q-1}];
+    WriteString[strm, System`Convert`B64Dump`B64Decode[data]];
     Close[strm];
   ]
 

mathics/builtin/base.py

@@ -710,7 +710,7 @@ def get_option_values(self, leaves, **options):
     def boxes_to_text(self, leaves, **options) -> str:
         raise BoxConstructError
 
-    def boxes_to_xml(self, leaves, **options) -> str:
+    def boxes_to_mathml(self, leaves, **options) -> str:
         raise BoxConstructError
 
     def boxes_to_tex(self, leaves, **options) -> str:

mathics/builtin/compilation.py

@@ -198,7 +198,7 @@ def boxes_to_text(self, leaves=None, **options):
             leaves = self._leaves
         return leaves[0].value
 
-    def boxes_to_xml(self, leaves=None, **options):
+    def boxes_to_mathml(self, leaves=None, **options):
         if leaves is None:
             leaves = self._leaves
         return leaves[0].value