Downloadables should accept 'display', 'quality', 'resolution', 'frame' (it's...

Downloadables should accept 'display', 'quality', 'resolution', 'frame' (it's job of implementation to  honour or not them). Resize image produced from Web Page to Image conversion.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@43335 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/TextDocument.py

@@ -36,6 +36,8 @@ from Products.ERP5.Document.Document import Document, ConversionError, _MARKER,
 from Products.ERP5.Document.File import File
 from Products.ERP5Type.WebDAVSupport import TextContent
 import re
+from Products.ERP5.Document.Document import VALID_IMAGE_FORMAT_LIST
+import cStringIO
 
 # Mixin Import
 from Products.ERP5.mixin.cached_convertable import CachedConvertableMixin
@@ -166,6 +168,16 @@ class TextDocument(CachedConvertableMixin, BaseConvertableFileMixin,
                                   'portal_transforms failed to convert '
                                   'from %r to %s: %r' % 
                                   (src_mimetype, mime_type, self))
+                                  
+          if format in VALID_IMAGE_FORMAT_LIST:
+            # do resize by temporary image
+            temp_image = self.portal_contributions.newContent(
+                                       portal_type='Image',
+                                       file=cStringIO.StringIO(),
+                                       filename=self.getId(),
+                                       temp_object=1)
+            temp_image._setData(result)
+            mime, result = temp_image.convert(**kw)
           self.setConversion(result, original_mime_type, **kw)
         else:
           mime_type, result = self.getConversion(**kw)

product/ERP5/mixin/downloadable.py

@@ -40,7 +40,7 @@ class DownloadableMixin:
 
   ### Content processing methods
   security.declareProtected(Permissions.View, 'index_html')
-  @fill_args_from_request
+  @fill_args_from_request('display', 'quality', 'resolution', 'frame')
   def index_html(self, REQUEST, RESPONSE, format=_MARKER, **kw):
     """
       We follow here the standard Zope API for files and images