Replace items_on_stack.png with SVG version

frank-at-adacore · frank-at-adacore · commit 74daa8b66989 · 2025-09-11T15:42:18.000-04:00
diff --git a/courses/ada_essentials/140_access_types/01-introduction.rst b/courses/ada_essentials/140_access_types/01-introduction.rst
@@ -81,8 +81,7 @@ Stack Vs Heap
   I : Integer := 0;
   J : String := "Some Long String";
 
-.. image:: items_on_stack.png
-   :width: 50%
+.. image:: items_on_stack.svg
 
 .. code:: Ada
 
diff --git a/images/items_on_stack.png b/images/items_on_stack.png
diff --git a/images/items_on_stack.svg b/images/items_on_stack.svg
@@ -0,0 +1,9 @@
+<?xml version="1.0" ?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:ev="http://www.w3.org/2001/xml-events" xmlns:xlink="http://www.w3.org/1999/xlink" baseProfile="full" version="1.1" height="70" width="90" >
+<rect fill="#aaaaff" stroke="none" stroke-width="1" rx="12.0" ry="12.0" height="60" width="80" x="5" y="5" />
+<text xml:space="preserve" fill="#000000" stroke="none" stroke-width="1" text-align="left" font-size="12px" font-family='Arial' font-weight="normal"  text-anchor="middle" x="45.0" y="20">Stack</text>
+<rect fill="#7f7fbf" stroke="#ffffff" stroke-width="1" rx="3.0" ry="3.0" height="15" width="70" x="10" y="45.0" />
+<rect fill="#7f7fbf" stroke="#ffffff" stroke-width="1" rx="3.0" ry="3.0" height="15" width="70" x="10" y="27.0" />
+<text xml:space="preserve" fill="#ffffff" stroke="none" stroke-width="1" text-align="left" font-size="10px" font-family='Arial' font-weight="normal"  text-anchor="middle" x="45.0" y="55.5">J</text>
+<text xml:space="preserve" fill="#ffffff" stroke="none" stroke-width="1" text-align="left" font-size="10px" font-family='Arial' font-weight="normal"  text-anchor="middle" x="45.0" y="37.5">I</text>
+</svg>
