first stuff for showing the route on the site

src/c3nav/site/views.py

@@ -1,7 +1,16 @@
-from django.shortcuts import redirect, render
+import os
 
+from django.conf import settings
+from django.http import HttpResponse
+from django.shortcuts import get_object_or_404, redirect, render
+from PIL import Image, ImageDraw
+
+from c3nav.mapdata.models import Level
 from c3nav.mapdata.models.locations import get_location
+from c3nav.mapdata.render.compose import composer
+from c3nav.mapdata.utils.misc import get_dimensions
 from c3nav.routing.graph import Graph
+from c3nav.routing.utils.draw import _line_coords
 
 
 def main(request, origin=None, destination=None):
@@ -30,13 +39,39 @@ def main(request, origin=None, destination=None):
 
         redirect(new_url)
 
+    route = None
     if origin and destination:
         graph = Graph.load()
         route = graph.get_route(origin, destination)
+        route = route.split()
+        print(route)
 
-    print(route)
+        if False:
+            filename = os.path.join(settings.RENDER_ROOT, 'base-level-0.png')
+
+            im = Image.open(filename)
+            height = im.size[1]
+            draw = ImageDraw.Draw(im)
+            for connection in route.connections:
+                draw.line(_line_coords(connection.from_point, connection.to_point, height), fill=(255, 100, 100))
+
+            response = HttpResponse(content_type="image/png")
+            im.save(response, "PNG")
+            return response
+
+    width, height = get_dimensions()
 
     return render(request, 'site/main.html', {
         'origin': origin,
-        'destination': destination
+        'destination': destination,
+        'route': route,
+        'width': width,
+        'height': height,
+        'svg_width': width*6,
+        'svg_height': height*6,
     })
+
+
+def level_image(request, level):
+    level = get_object_or_404(Level, name=level, intermediate=False)
+    return composer.get_level_image(request, level)