Install AggDraw for OSX 10.7+.

README.md

Install AggDraw. From natevw's post on stack overflow.

Includes a patch I discovered was necessary for freetype, mentioned here.

install_aggdraw.sh

#!/bin/bash
cd /tmp
svn co http://svn.effbot.org/public/tags/aggdraw-1.2a3-20060212
cd aggdraw-1.2a3-20060212
patch -p0 <<EOF
Index: agg2/include/agg_array.h
===================================================================
--- agg2/include/agg_array.h    (revision 532)
+++ agg2/include/agg_array.h    (working copy)
@@ -520,7 +520,7 @@
                 int8u* ptr = m_buf_ptr;
                 if(alignment > 1)
                 {
-                    unsigned align = (alignment - unsigned(ptr) % alignment) % alignment;
+                    unsigned align = (alignment - (unsigned long)(ptr) % alignment) % alignment;
                     size += align;
                     ptr += align;
                     if(size <= m_rest)
EOF

patch -p0 <<EOF
Index: setup.py
===================================================================
--- setup.py (revision 532)
+++ setup.py (working copy)
@@ -29,7 +29,7 @@
 """
 
 # pointer to freetype build directory (tweak as necessary)
-FREETYPE_ROOT = "../../kits/freetype-2.1.10"
+FREETYPE_ROOT = "/usr/local"
 
 if not os.path.isdir(FREETYPE_ROOT):
     print "===", "freetype not available (edit setup.py to enable)"
EOF

python setup.py build_ext -i
python selftest.py
sudo python setup.py install