Added support for figure placement.

This was done by hijacking the :figclass: attribute.

papers/00_vanderwalt/00_vanderwalt.rst

@@ -117,7 +117,17 @@ pulvinar id metus.
 
    This is the caption. :label:`egfig`
 
-As you can see in Figure :ref:`egfig`, this is how you reference auto-numbered
+.. figure:: figure1.png
+   :scale: 20%
+   :figclass: bht
+
+   This is the caption on a smaller figure that will be placed by default at the
+   bottom of the page, and failing that it will be placed inline or at the top. :label:`egfig2`.
+   Note that for now, scale is relative to a completely arbitrary original
+   reference size which might be the original size of your image - you probably
+   have to play with it.
+
+As you can see in Figures :ref:`egfig` and :ref:`egfig2`, this is how you reference auto-numbered
 figures.
 
 .. table:: This is the caption for the materials table. :label:`mtable`

publisher/writer.py

@@ -141,6 +141,16 @@ def depart_paragraph(self, node):
         if 'keywords' in node['classes']:
             self.out.append('\\end{IEEEkeywords}')
 
+    def visit_figure(self, node):
+        self.requirements['float_settings'] = PreambleCmds.float_settings
+        if 'classes' in node.attributes:
+            placements = ''.join(node.attributes['classes'])
+            self.out.append('\\begin{figure}[%s]'%placements)
+        else:
+            self.out.append('\\begin{figure}')
+        if node.get('ids'):
+            self.out += ['\n'] + self.ids_to_labels(node)
+
     def visit_image(self, node):
         attrs = node.attributes