Ticket #160: userinfo.py.diff

userinfo.py

@@ -88 +88 @@
                 self.user = user
                 self.conn = conn
                 self._descr = ""
+                self.image_pixbuf = None
+                self.zoom_factor = 5
+                self.actual_zoom = 0
                 
                 self.hatesStore = gtk.ListStore(gobject.TYPE_STRING)
                 self.Hates.set_model(self.hatesStore)
@@ -201 +204 @@
                                 loader = gtk.gdk.PixbufLoader()
                                 loader.write(pic)
                                 loader.close()
-                                self.image.set_from_pixbuf(loader.get_pixbuf())
+                                self.image_pixbuf = loader.get_pixbuf()
+                                self.image.set_from_pixbuf(self.image_pixbuf)
                                 del pic, loader
                                 gc.collect()
 
+                                self.actual_zoom = 0
+
                         except TypeError, e:
                                 name = tempfile.mktemp()
                                 f = open(name,"w")
@@ -259 +265 @@
         def OnSavePicture(self, widget):
                 if self.image is None:
                         return
-                pixbuf = self.image.get_pixbuf()
                 name = os.path.join(self.frame.np.config.sections["transfers"]["downloaddir"],self.encode(self.user)) + ".jpg"
-                pixbuf.save(name, "jpeg", {"quality": "100"})
+                self.image_pixbuf.save(name, "jpeg", {"quality": "100"})
                 self.frame.logMessage("Picture saved to " + name)
+
+        def OnScrollEvent(self, widget, event):
+                if event.direction == gtk.gdk.SCROLL_UP:
+                        self.MakeZoomIn()
+                else:
+                        self.MakeZoomOut()
+
+                return True # Don't scroll the gtk.ScrolledWindow
+
+        def MakeZoomIn(self):
+                def CalcZoomIn(a):
+                        return a + a * self.actual_zoom / 100 + a * self.zoom_factor / 100
+
+                import gc
+
+                if self.image is None or self.actual_zoom > 100:
+                        return
+
+                x = self.image_pixbuf.get_width()
+                y = self.image_pixbuf.get_height()
+
+                self.actual_zoom += self.zoom_factor
+
+                pixbuf_zoomed = self.image_pixbuf.scale_simple(CalcZoomIn(x),
+                                                               CalcZoomIn(y),
+                                                               gtk.gdk.INTERP_TILES)
+                self.image.set_from_pixbuf(pixbuf_zoomed)
+
+                del pixbuf_zoomed
+                gc.collect()
                 
+        def MakeZoomOut(self):
+                def CalcZoomOut(a):
+                        return a + a * self.actual_zoom / 100 - a * self.zoom_factor / 100
+
+                import gc
+
+                if self.image is None:
+                        return
+
+                x = self.image_pixbuf.get_width()
+                y = self.image_pixbuf.get_height()
+
+                self.actual_zoom -= self.zoom_factor
+
+                if CalcZoomOut(x) < 10 or CalcZoomOut(y) < 10:
+                        self.actual_zoom += self.zoom_factor
+                        return
+
+                pixbuf_zoomed = self.image_pixbuf.scale_simple(CalcZoomOut(x),
+                                                               CalcZoomOut(y),
+                                                               gtk.gdk.INTERP_TILES)
+                self.image.set_from_pixbuf(pixbuf_zoomed)
+
+                del pixbuf_zoomed
+                gc.collect()
+        
         def encode(self, path):
                 try:
                         if sys.platform == "win32":