Can now display displayed portrait and displayed signature or usual mark

git-svn-id: svn+ssh://localhost/home/henryk/svn/cyberflex-shell/trunk@236 f711b948-2313-0410-aaa9-d29f33439f0b

cards/passport_application.py

@@ -466,7 +466,7 @@ class FAC:
         for index, face in enumerate(self.faces):
             face.store(basename="%s_%02i" % (basename, index))
     
-    def get_data(self):
+    def get_images(self):
         return [face.get_data() for face in self.faces]
     
 # Note: Probably all of the code in this class is wrong. I'm just guessing from examples and parts of specifications I didn't fully read --Henryk
@@ -945,6 +945,12 @@ class Passport(object):
     def parse_DG2(self, contents):
         self.dg2_cbeff = CBEFF.from_data(contents)
     
+    def parse_DG5(self, contents):
+        self.dg5_tlv = TLV_utils.unpack(contents)
+    
+    def parse_DG7(self, contents):
+        self.dg7_tlv = TLV_utils.unpack(contents)
+    
     def calculate_check_digit(data, digit=None, field=None):
         """Calculate a check digit. If digit is not None then it will be compared to the calculated
         check digit and a PassportParseError will be raised on a mismatch. Optional argument field

gui/__init__.py

@@ -1,5 +1,5 @@
 import gtk,gtk.glade,gobject
-import os, time
+import os, time, TLV_utils
 
 class Converter:
     SUPPORTS = ["jp2"]
@@ -31,6 +31,8 @@ class PassportGUI:
             "on_exit_clicked": self.exit_clicked,
             "on_main_delete_event": self.exit_clicked,
             "on_main_destroy": gtk.main_quit,
+            "on_next_image_clicked": self.next_image,
+            "on_prev_image_clicked": self.prev_image,
         }
         self.main_window_xml.signal_autoconnect(signals)
     
@@ -102,7 +104,15 @@ class PassportGUI:
         data = []
         if hasattr(passport, "dg2_cbeff") and passport.dg2_cbeff is not None:
             for biometric in passport.dg2_cbeff.biometrics:
-                data = data + [(a,b,"Encoded Face") for (a,b) in biometric.get_data()]
+                data = data + [(a,b,"Encoded Face") for (a,b) in biometric.get_images()]
+        
+        for dg, tag, type in ( ("dg5", 0x5F40, "Displayed Portrait"), ("dg7", 0x5F43, "Displayed Signature or Usual Mark") ):
+            if hasattr(passport, "%s_tlv" % dg):
+                structure = getattr(passport, "%s_tlv" % dg)
+                if structure is not None:
+                    hits = TLV_utils.tlv_find_tag(structure, tag)
+                    for t,l,v in hits:
+                        data.append( ("jpg",v,type) )
         
         self._set_images(data)
     
@@ -121,14 +131,17 @@ class PassportGUI:
         
         self.update_image_shown()
     
-    def update_image_shown(self):
+    def update_image_shown(self, add=0):
+        self.now_showing = self.now_showing + add
+        
         if self.now_showing >= len(self.images):
             self.now_showing = len(self.images)-1
+        if self.now_showing < 0:
+            self.now_showing = 0
         
         if len(self.images) > 0:
             pixbuf, description = self.images[self.now_showing]
         else:
-            self.now_showing = 0
             pixbuf, description = None, "No image loaded"
         
         label = self.main_window_xml.get_widget("image_label")
@@ -142,3 +155,12 @@ class PassportGUI:
         
         if pixbuf is not None:
             self.main_window_xml.get_widget("image").set_from_pixbuf(pixbuf)
+        
+        self.main_window_xml.get_widget("prev_image").set_property("sensitive", self.now_showing > 0)
+        self.main_window_xml.get_widget("next_image").set_property("sensitive", self.now_showing < len(self.images)-1)
+    
+    def next_image(self, widget):
+        self.update_image_shown(+1)
+    
+    def prev_image(self, widget):
+        self.update_image_shown(-1)

gui/passport/passport.glade

@@ -322,12 +322,13 @@ Optional Data</property>
       </child>
 
       <child>
-	<widget class="GtkButton" id="button1">
+	<widget class="GtkButton" id="prev_image">
 	  <property name="visible">True</property>
 	  <property name="sensitive">False</property>
 	  <property name="can_focus">True</property>
 	  <property name="relief">GTK_RELIEF_NORMAL</property>
 	  <property name="focus_on_click">True</property>
+	  <signal name="clicked" handler="on_prev_image_clicked" last_modification_time="Sat, 09 Jun 2007 06:37:03 GMT"/>
 
 	  <child>
 	    <widget class="GtkImage" id="image4">
@@ -352,12 +353,13 @@ Optional Data</property>
       </child>
 
       <child>
-	<widget class="GtkButton" id="button2">
+	<widget class="GtkButton" id="next_image">
 	  <property name="visible">True</property>
 	  <property name="sensitive">False</property>
 	  <property name="can_focus">True</property>
 	  <property name="relief">GTK_RELIEF_NORMAL</property>
 	  <property name="focus_on_click">True</property>
+	  <signal name="clicked" handler="on_next_image_clicked" last_modification_time="Sat, 09 Jun 2007 06:36:52 GMT"/>
 
 	  <child>
 	    <widget class="GtkImage" id="image3">