--- pyemf.py.orig	2006-01-01 17:00:35 +0300

+++ pyemf.py	2007-10-08 00:01:22 +0400

@@ -501,6 +501,17 @@ MWT_IDENTITY      = 1

 MWT_LEFTMULTIPLY  = 2

 MWT_RIGHTMULTIPLY = 3

+## added by frob

+# GdiComment values:

+GDICOMMENT_IDENTIFIER = 0x43494447

+GDICOMMENT_WINDOWS_METAFILE = 0x80000001

+GDICOMMENT_BEGINGROUP = 2

+GDICOMMENT_ENDGROUP = 3

+GDICOMMENT_MULTIFORMATS = 0x40000004

+GDICOMMENT_UNICODE_STRING = 0x40

+GDICOMMENT_UNICODE_END = 0x80

+EPS_SIGNATURE = 0x46535045

+## end of frob addition

 def _round4(num):

     """Round to the nearest multiple of 4 greater than or equal to the

@@ -866,7 +877,8 @@ class _EMR_UNKNOWN(object): # extend fro

             self.iType=itype

             self.nSize=nsize

         else:

-            (self.iType,self.nSize)=struct.unpack("<ii",8)

+            data = fh.read(8)

+            (self.iType,self.nSize)=struct.unpack("<ii",data)

         if self.nSize>8:

             self.datasize=self.nSize-8

             self.data=fh.read(self.datasize)

@@ -1737,7 +1749,41 @@ class _EMR:

         emr_id=68

         pass

+## Added by frob

+    class _GDICOMMENT(_EMR_UNKNOWN):

+        """Comment can contain a lot of significant information."""

+        emr_id=70

+        emr_typedef=[

+                ('i','DataSize'),

+                ('i','Ident'), ## for public comments has to be always GDICOMMENT_IDENTIFIER

+                ('i','iComment') ## encode type of comment

+                ]

+        def __init__(self):

+            _EMR_UNKNOWN.__init__(self)

+##            if iComment == GDICOMMENT_WINDOWS_METAFILE:

+##                ('i','nVersion'),

+##                ('i','nChecksum'),

+##                ('i','fFlags'),

+##                ('i','cbWinMetaFile') ## size of embedded WMF

+

+##                if iComment == GDICOMMENT_BEGINGROUP:

+##                    ('i','rclBox_left'),

+##                    ('i','rclBox_top'),

+##                    ('i','rclBox_right'),

+##                    ('i','rclBox_bottom'),

+##                    ('i','nDescription') ## Num of chars in optional Unicode description

+##                if iComment == GDICOMMENT_ENDGROUP:

+##                    pass                ## there is no more fields for EndGroup, just 'Ident' and 'iComment'

+                

+##                if iComment == GDICOMMENT_MULTIFORMATS:

+##                    ('i','rclBox_left'),

+##                    ('i','rclBox_top'),

+##                    ('i','rclBox_right'),

+##                    ('i','rclBox_bottom'),

+##                    ('i','nFormats'),  ## numb of formats in the comment

+##                    (EMRFORMAT aemrformat[1]) ## array of EMRFORMAT structures

+        

 #define EMR_GDICOMMENT	70

 #define EMR_FILLRGN	71

 #define EMR_FRAMERGN	72

@@ -2123,6 +2169,18 @@ integer coordinates.

                 int(self.dc.width/100.0*self.dc.ref_pixelwidth/self.dc.ref_width),

                 int(self.dc.height/100.0*self.dc.ref_pixelheight/self.dc.ref_height))

+    def loadmem(self,membuf=None):

+        """

+Read an existing buffer with EMF file.  If any records exist in the current

+object, they will be overwritten by the records from this buffer.

+

+@param membuf: buffer to load

+@type membuf: string

+@returns: True for success, False for failure.

+@rtype: Boolean

+        """

+        fh = StringIO(membuf)

+        self._load(fh)

     def load(self,filename=None):

         """

@@ -2139,8 +2197,11 @@ object, they will be overwritten by the 

         if self.filename:

             fh=open(self.filename)

+            self._load(fh)

+

+    def _load(self,filehandler=None):

             self.records=[]

-            self._unserialize(fh)

+            self._unserialize(filehandler)

             self.scaleheader=False

             # get DC from header record

             self.dc.getBounds(self.records[0])