Replace JPEG with SVG

frank-at-adacore · frank-at-adacore · commit 516e65790d38 · 2025-08-27T00:41:52.000-04:00
diff --git a/courses/ada_essentials/020_declarations/06-scope_and_visibility.rst b/courses/ada_essentials/020_declarations/06-scope_and_visibility.rst
@@ -66,7 +66,7 @@ Scope and "Lifetime"
 
 .. note:: No *scoping* keywords (C's :c:`static`, :c:`auto` etc...)
 
-.. image:: block_scope_example.jpeg
+.. image:: block_scope_example.svg
     :height: 50%
 
 ----------------------
diff --git a/images/block_scope_example.jpeg b/images/block_scope_example.jpeg
diff --git a/images/block_scope_example.svg b/images/block_scope_example.svg
@@ -0,0 +1,28 @@
+<?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="210" width="420" >
+<text xml:space="preserve" style="fill:#000000;stroke:none;stroke-width:0.75;text-align:left;font-size:14px;font-family:'Courier New';font-weight:normal;">
+   <tspan>      <tspan x="10" y="20" style="stroke:#666666;fill:#666666">Outer</tspan>      <tspan x="52.0" y="20" style="stroke:##000000;fill:##000000"> : </tspan>      <tspan x="77.2" y="20" style="stroke:#0000ff;fill:#0000ff">declare</tspan></tspan>
+   <tspan>      <tspan x="10" y="37.5" style="stroke:##000000;fill:##000000">   J : </tspan>      <tspan x="68.8" y="37.5" style="stroke:#00aa00;fill:#00aa00">Integer</tspan>      <tspan x="127.6" y="37.5" style="stroke:##000000;fill:##000000">;</tspan></tspan>
+   <tspan>      <tspan x="10" y="55.0" style="stroke:#0000ff;fill:#0000ff">begin</tspan></tspan>
+   <tspan>      <tspan x="10" y="72.5" style="stroke:##000000;fill:##000000">   J := </tspan>      <tspan x="77.2" y="72.5" style="stroke:#882266;fill:#882266">1</tspan>      <tspan x="85.60000000000001" y="72.5" style="stroke:##000000;fill:##000000">;</tspan></tspan>
+   <tspan>      <tspan x="10" y="90.0" style="stroke:#666666;fill:#666666">   Inner</tspan>      <tspan x="77.2" y="90.0" style="stroke:##000000;fill:##000000"> : </tspan>      <tspan x="102.4" y="90.0" style="stroke:#0000ff;fill:#0000ff">declare</tspan></tspan>
+   <tspan>      <tspan x="10" y="107.5" style="stroke:##000000;fill:##000000">      F : </tspan>      <tspan x="94.0" y="107.5" style="stroke:#00aa00;fill:#00aa00">Float</tspan>      <tspan x="136.0" y="107.5" style="stroke:##000000;fill:##000000">;</tspan></tspan>
+   <tspan>      <tspan x="10" y="125.0" style="stroke:#0000ff;fill:#0000ff">   begin</tspan></tspan>
+   <tspan>      <tspan x="10" y="142.5" style="stroke:##000000;fill:##000000">      F := </tspan>      <tspan x="102.39999999999999" y="142.5" style="stroke:#882266;fill:#882266">1.0</tspan>      <tspan x="127.6" y="142.5" style="stroke:##000000;fill:##000000">;</tspan></tspan>
+   <tspan>      <tspan x="10" y="160.0" style="stroke:#0000ff;fill:#0000ff">   end </tspan>      <tspan x="68.8" y="160.0" style="stroke:#666666;fill:#666666">Inner</tspan>      <tspan x="110.8" y="160.0" style="stroke:##000000;fill:##000000">;</tspan></tspan>
+   <tspan>      <tspan x="10" y="177.5" style="stroke:##000000;fill:##000000">   J := J + </tspan>      <tspan x="110.8" y="177.5" style="stroke:#882266;fill:#882266">1</tspan>      <tspan x="119.2" y="177.5" style="stroke:##000000;fill:##000000">;</tspan></tspan>
+   <tspan>      <tspan x="10" y="195.0" style="stroke:#0000ff;fill:#0000ff">end </tspan>      <tspan x="43.6" y="195.0" style="stroke:#666666;fill:#666666">Outer</tspan>      <tspan x="85.6" y="195.0" style="stroke:##000000;fill:##000000">;</tspan></tspan>
+</text>
+<path style="fill:none;stroke:#12284c;stroke-width:4.0;stroke-linejoin:round;stroke-miterlimit:2.0" d="M 125 25 L 125 25 L 225 25 L 225 89 L 240 104 L 225 119 L 225 183 L 125 183"/><line style="fill:none;stroke:#12284c;stroke-width:4" x1="240" y1="104" x2="352" y2="104" />
+<line style="fill:none;stroke:#12284c;stroke-width:4" x1="350" y1="105" x2="350" y2="84" />
+<rect style="fill:#12284c;stroke:#12284c;stroke-width:20;stroke-linejoin:round;stroke-miterlimit:10.0" height="40" width="90" x="305.0" y="34" />
+<text xml:space="preserve" style="fill:#ffffff;stroke:none;stroke-width:1;text-align:left;font-size:14px;font-family:'Arial';font-weight:normal;">
+   <tspan x="317" y="58">Scope of J</tspan>
+</text>
+<path style="fill:none;stroke:#e07c00;stroke-width:4.0;stroke-linejoin:round;stroke-miterlimit:2.0" d="M 125 95 L 125 95 L 175 95 L 175 107.5 L 190 122.5 L 175 137.5 L 175 150.0 L 125 150.0"/><line style="fill:none;stroke:#e07c00;stroke-width:4" x1="190" y1="122.5" x2="352" y2="122.5" />
+<line style="fill:none;stroke:#e07c00;stroke-width:4" x1="350" y1="121.5" x2="350" y2="142.5" />
+<rect style="fill:#e07c00;stroke:#e07c00;stroke-width:20;stroke-linejoin:round;stroke-miterlimit:10.0" height="40" width="90" x="305.0" y="152.5" />
+<text xml:space="preserve" style="fill:#ffffff;stroke:none;stroke-width:1;text-align:left;font-size:14px;font-family:'Arial';font-weight:normal;">
+   <tspan x="317" y="177.5">Scope of F</tspan>
+</text>
+</svg>
