specify 'RGB' colorspace explicitly in Image._resize() because some user...

specify 'RGB' colorspace explicitly in Image._resize() because some user agents cannot handle CMYK images.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28639 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Image.py

@@ -407,6 +407,7 @@ class Image(File, OFSImage):
       newimg = StringIO()
       
       parameter_list = ['convert']
+      parameter_list.extend(['-colorspace', 'RGB'])
       if resolution:
         parameter_list.extend(['-density', '%sx%s' % (resolution, resolution)])
       parameter_list.extend(['-quality', str(quality)])