From 03a91e8e01ada62397c47161149a4ba203566563 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B8ren=20N=C3=B8rgaard?= <soerenbnoergaard@gmail.com>
Date: Wed, 12 Feb 2014 22:54:06 +0100
Subject: [PATCH] Added centered image and figure text option.

---
 jemdoc           | 32 ++++++++++++++++++++++++++++++++
 www/extra.jemdoc | 13 +++++++++++++
 2 files changed, 45 insertions(+)

diff --git a/jemdoc b/jemdoc
index 0e3e25e..c95d471 100755
--- a/jemdoc
+++ b/jemdoc
@@ -1342,6 +1342,7 @@ def procfile(f):
 
   infoblock = False
   imgblock = False
+  imgcenterblock = False
   tableblock = False
   while 1: # wait for EOF.
     p = pc(f)
@@ -1404,6 +1405,11 @@ def procfile(f):
         imgblock = False
         nl(f)
         continue
+      elif imgcenterblock:
+        out(f.outf, '</center>\n</td></tr></table></center>\n')
+        imgcenterblock = False
+        nl(f)
+        continue
       elif tableblock:
         out(f.outf, '</td></tr></table>\n')
         tableblock = False
@@ -1473,6 +1479,32 @@ def procfile(f):
           out(f.outf, '&nbsp;</td>\n<td align="left">')
           imgblock = True
 
+        elif len(g) >= 4 and g[1] == 'img_center':
+          # handles
+          # {}{img_center}{source}{alttext}{width}{height}{linktarget}.
+          g += ['']*(7 - len(g))
+          
+          if g[4].isdigit():
+            g[4] += 'px'
+
+          if g[5].isdigit():
+            g[5] += 'px'
+
+          out(f.outf, '<center><table class="imgtable"><tr><td>\n')
+          if g[6]:
+            out(f.outf, '<a href="%s">' % g[6])
+          out(f.outf, '<img src="%s"' % g[2])
+          out(f.outf, ' alt="%s"' % g[3])
+          if g[4]:
+            out(f.outf, ' width="%s"' % g[4])
+          if g[5]:
+            out(f.outf, ' height="%s"' % g[5])
+          out(f.outf, ' />')
+          if g[6]:
+            out(f.outf, '</a>')
+          out(f.outf, '&nbsp;</td><tr/>\n<tr><td><center>')
+          imgcenterblock = True
+
         else:
           raise JandalError("couldn't handle block", f.linenum)
 
diff --git a/www/extra.jemdoc b/www/extra.jemdoc
index 49e6b9a..e694346 100644
--- a/www/extra.jemdoc
+++ b/www/extra.jemdoc
@@ -20,6 +20,19 @@ and alt text should be descriptive for reasons like
 [http://en.wikipedia.org/wiki/Wikipedia:Alternative_text_for_images those given
 by Wikipedia].
 
+== Centered image blocks
+It is likewise possible to use the following syntax, to obtain a
+centered image with a figure text below.
+~~~
+{Centered image block syntax}{}
+\~~~
+\{}{img_center}{FILENAME.IMG}{alt text}{WIDTHpx}{HEIGHTpx}{IMGLINKTARGET}
+Ordinary jemdoc markup goes here.
+\~~~
+~~~
+
+Arguments follow the same rules as for left aligned image blocks.
+
 == Raw blocks
 When placing large amounts of raw html, you should use a raw block instead of
 +\{\{inline html escaping\}\}+. As well as cleaner syntax, raw blocks will avoid