1 files changed, 56 insertions, 0 deletions
diff --git a/utils.py b/utils.py
new file mode 100644
index 0000000..28adc9c
--- /dev/null
+++ b/utils.py
@@ -0,0 +1,56 @@
+import base64
+import rsvg
+import re
+import os
+import gtk
+import time
+from time import strftime
+
+import constants
+
+def getStringFromPixbuf(pixbuf):
+    data = [""]
+    pixbuf.save_to_callback(_saveDataToBufferCb, "png", {}, data)
+    return base64.b64encode(str(data[0]))
+
+
+def _saveDataToBufferCb(buf, data):
+    data[0] += buf
+    return True
+
+
+def getPixbufFromString(str):
+    pbl = gtk.gdk.PixbufLoader()
+    data = base64.b64decode( str )
+    pbl.write(data)
+    pbl.close()
+    return pbl.get_pixbuf()
+
+
+def load_colored_svg(filename, stroke, fill):
+    path = os.path.join(constants.GFX_PATH, filename)
+    data = open(path, 'r').read()
+
+    entity = '<!ENTITY fill_color "%s">' % fill
+    data = re.sub('<!ENTITY fill_color .*>', entity, data)
+
+    entity = '<!ENTITY stroke_color "%s">' % stroke
+    data = re.sub('<!ENTITY stroke_color .*>', entity, data)
+
+    return rsvg.Handle(data=data).get_pixbuf()
+
+def getUniqueFilepath( path, i ):
+    pathOb = os.path.abspath( path )
+    newPath = os.path.join( os.path.dirname(pathOb), str( str(i) + os.path.basename(pathOb) ) )
+    if (os.path.exists(newPath)):
+        i = i + 1
+        return getUniqueFilepath( pathOb, i )
+    else:
+        return os.path.abspath( newPath )
+
+def generate_thumbnail(pixbuf):
+    return pixbuf.scale_simple(108, 81, gtk.gdk.INTERP_BILINEAR)
+
+def getDateString( when ):
+    return strftime( "%c", time.localtime(when) )
+