# HG changeset patch
# User cavaliet
# Date 1363090409 -3600
# Node ID fc3203831322dfffdcc4fdf78a084596c30ada35
# Parent  303eca26bcc094ea2fd12ce1a9961e53268c1171
svg file and picture file are created for senseetive

diff -r 303eca26bcc0 -r fc3203831322 src/egonomy/config.py.tmpl
--- a/src/egonomy/config.py.tmpl	Tue Mar 05 10:30:02 2013 +0100
+++ b/src/egonomy/config.py.tmpl	Tue Mar 12 13:13:29 2013 +0100
@@ -136,3 +136,6 @@
 }
 
 IMAGES_PER_PAGE = 32
+
+BATIK_RASTERIZER_PATH = "path/to/batik-rasterizer.jar"
+BATIK_RASTERIZER_TEMP_FOLDER = "path/to/tmp_folder"
diff -r 303eca26bcc0 -r fc3203831322 src/egonomy/views.py
--- a/src/egonomy/views.py	Tue Mar 05 10:30:02 2013 +0100
+++ b/src/egonomy/views.py	Tue Mar 12 13:13:29 2013 +0100
@@ -14,6 +14,9 @@
 from egonomy.search_indexes.query import ModelRelatedSearchQuerySet
 from haystack.query import RelatedSearchQuerySet
 import json
+import os
+import uuid
+import subprocess
 
 import logging
 logger = logging.getLogger(__name__)
@@ -221,8 +224,39 @@
     frg_path = request.GET.get("path") or "MZ"
     if not image_id or frg_path=="MZ":
         return HttpResponseForbidden("The request needs an image and a not null path parameters.")
-    # This is a TEMPORARY algorithm. In the future, this function build a picture from the fragment and will request the senseetive api 
-    img = get_object_or_404(Image, id=image_id)
+     
+    img = get_object_or_404(Image.objects.select_related('info', 'metadata'), id=image_id)
+    frg = Fragment()
+    frg.image = img
+    frg.coordinates = frg_path
+    # We build the svg xml
+    file = os.path.join(settings.MEDIA_ROOT, str(img.info.image_file))
+    logger.debug(file)
+    svg = '<svg preserveAspectRatio="none" width="476px" height="476px" viewBox="' + frg.viewbox_square +'" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">\n\
+    <defs>\n\
+       <clipPath id="fragment-clip">\n\
+           <path d="' + frg_path + '" />\n\
+       </clipPath>\n\
+    </defs>\n\
+    <image xlink:href="' + file + '" x="0" y="0" preserveAspectRatio="none" width="1" height="1" opacity=".3"/>\n\
+    <image xlink:href="' + file + '" x="0" y="0" preserveAspectRatio="none" width="1" height="1" clip-path="url(#fragment-clip)"/>\n\
+</svg>'
+    # We save the svg file
+    uid = str(uuid.uuid1())
+    svg_file = open(os.path.join(settings.BATIK_RASTERIZER_TEMP_FOLDER, uid + '.svg'),'w')
+    svg_file.write(svg)
+    svg_file.close()
+    # We execute the batik command
+    args = ["java", "-jar", settings.BATIK_RASTERIZER_PATH, svg_file.name]
+    p = subprocess.Popen(args, stdout=subprocess.PIPE,stderr=subprocess.PIPE)
+    out, err = p.communicate()
+    if p.returncode!=0:
+        HttpResponse("Batik error : " + str(err))
+    # The picture png is now created
+    
+    
+    
+    # This is a TEMPORARY algorithm. In the future, this function build a picture from the fragment and will request the senseetive api
     frg_list = Fragment.objects.filter(image=img)
     tag_list = []
     for frg in frg_list:
@@ -230,7 +264,7 @@
         for t in tags:
             t = t.strip()
             if t != "":
-                logger.debug(t)
+                #logger.debug(t)
                 tag_list.append(t)
     from time import sleep
     sleep(2)