1 files changed, 22 insertions, 0 deletions
diff --git a/paintwithme.py b/paintwithme.py
index 6052cba..3a3f568 100644
--- a/paintwithme.py
+++ b/paintwithme.py
@@ -18,6 +18,7 @@
 
 from gettext import gettext as _
 import logging
+import json
 
 from sugar.activity import activity
 
@@ -29,6 +30,7 @@ from sugar.presence.tubeconn import TubeConnection
 
 from toolbar import PaintToolbar
 from drawing import Drawing
+# FIXME use json from standard lib
 from utils import json_load, json_dump
 
 
@@ -66,6 +68,26 @@ class PaintWithMeActivity(activity.Activity):
         self._setup_handle = self.canvas.connect('size_allocate',
                                                  size_allocate_cb)
 
+    def read_file(self, file_path):
+        """Read from Sugar Journal."""
+        self._drawing.load_png(file_path)
+
+        state = json.loads(self.metadata['state'])
+        logging.debug("read_file")
+        logging.debug(state)
+        self._drawing.set_stroke_width(state['width'])
+
+    def write_file(self, file_path):
+        """Write to Sugar Journal."""
+        self.metadata['mime_type'] = 'image/png'
+        self._drawing.save_png(file_path)
+
+        state = {}
+        state['width'] = self._drawing.get_stroke_width()
+        self.metadata['state'] = json.dumps(state)
+        logging.debug("write_file")
+        logging.debug(state)
+
     # Collaboration-related methods below:
 
     def _setup_presence_service(self):