From 0f6ec143612b29306e20b0512a8b1ea3b2cb7662 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Mon, 07 Feb 2011 14:05:17 +0000
Subject: trying base64 for draw_pixbuf sharing

---
(limited to 'TurtleArt')

diff --git a/TurtleArt/tacanvas.py b/TurtleArt/tacanvas.py
index 8f12f61..952fc25 100644
--- a/TurtleArt/tacanvas.py
+++ b/TurtleArt/tacanvas.py
@@ -501,21 +501,22 @@ class TurtleGraphics:
                     y, w, h, path, image_to_base64(pixbuf,
                     get_path(self.tw.activity, 'instance')))
             else:
+                # Outside of Sugar, we save a path
                 self.tw.svg_string += self.svg.image(x - self.width / 2,
                                                      y, w, h, path)
         if self.tw.sharing():
-            data = pixbuf.get_pixels()
+            if self.tw.running_sugar:
+                tmp_path = get_path(self.tw.activity, 'instance')
+            else:
+                tmp_path = '/tmp'
+            data = image_to_base64(pixbuf, tmp_path)
             height = pixbuf.get_height()
             width = pixbuf.get_width()
-            stride = pixbuf.get_rowstride()
-            bits_per_sample = pixbuf.get_bits_per_sample()
-            has_alpha = pixbuf.get_has_alpha()
-            colorspace = pixbuf.get_colorspace()
             event = "P|%s" % (data_to_string([self._get_my_nick(),
                 [round_int(a), round_int(b), round_int(x), round_int(y),
                  round_int(w), round_int(h),
-                 width, height, stride, bits_per_sample,
-                 has_alpha, colorspace, data]]))
+                 round_int(width), round_int(height),
+                 data]]))
             self._send_event(event, share)
 
     def draw_text(self, label, x, y, size, w, share=True):
diff --git a/TurtleArt/tacollaboration.py b/TurtleArt/tacollaboration.py
index 0bebe67..83ce835 100644
--- a/TurtleArt/tacollaboration.py
+++ b/TurtleArt/tacollaboration.py
@@ -225,13 +225,18 @@ class Collaboration():
     
     def _draw_pixbuf(self, payload):
         if len(payload) > 0:
-            [nick, [a, b, x, y, w, h, width, height, stride,
-                    bits_per_sample, has_alpha, colorspace, data]] =\
-                    data_from_string(payload)
+            [nick, [a, b, x, y, w, h, width, height, data]] =\
+                data_from_string(payload)
             if nick != self._tw.nick:
-                self._tw.canvas.draw_pixbuf(gtk.gdk.pixbuf_new_from_data(
-                    data, colorspace, has_alpha, bits_per_sample, width,
-                    height, stride), a, b, x, y, w, h, None, False)
+                if self.tw.running_sugar:
+                    tmp_path = get_path(self.tw.activity, 'instance')
+                else:
+                    tmp_path = '/tmp'
+                file_name = base64_to_image(data, tmp_path)
+                pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(file_name,
+                                                              width, height)
+                self._tw.canvas.draw_pixbuf(pixbuf, a, b, x, y, w, h,
+                                            file_name, False)
 
     def _move_forward(self, payload):
         if len(payload) > 0:
diff --git a/TurtleArt/tautils.py b/TurtleArt/tautils.py
index db2ef4b..2b7b230 100644
--- a/TurtleArt/tautils.py
+++ b/TurtleArt/tautils.py
@@ -296,6 +296,7 @@ def image_to_base64(pixbuf, path_name):
     file_handle = open(base64, 'r')
     data = file_handle.read()
     file_handle.close()
+    print 'image to base64:' + file_name
     return data
 
 
@@ -308,6 +309,7 @@ def base64_to_image(data, path_name):
     file_name = os.path.join(path_name, 'imagetmp.png')
     cmd = "base64 -d <" + base64 + ">" + file_name
     subprocess.check_call(cmd, shell=True)
+    print 'base64 to image:' + file_name
     return file_name
 
 
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