优化专署封面的渲染

usr/lib/sonist/ui/image.py

@@ -4,9 +4,10 @@ import gi, cairo, math
 gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk, Gdk, GdkPixbuf
 
+from utils import empty_pixbuf
 
 class ScaleImage(Gtk.Image):
-  def __init__(self, filepath):
+  def __init__(self, filepath = empty_pixbuf):
     Gtk.Image.__init__(self)
     self.width = None
     self.height = None
@@ -17,7 +18,7 @@ class ScaleImage(Gtk.Image):
     if type(filepath) == str:
       self.origin = GdkPixbuf.Pixbuf.new_from_file(filepath)
     else:
-      self.origin = filepath
+      self.origin = filepath or empty_pixbuf
 
     if self.width is None:
       self.pixbuf = self.origin
@@ -50,7 +51,7 @@ class ScaleImage(Gtk.Image):
     w = self.origin.get_width()
     h = self.origin.get_height()
     _size = min(w, h) # 按小边裁剪成正方形
-    size = min(size, _size) # 缩放按最小值来
+    # size = min(size, _size) # 缩放按最小值来
     self.width = size
     self.height = size
 

usr/lib/sonist/window.py

@@ -66,7 +66,7 @@ class SonistWindow(Gtk.Window):
     # 唱片
     disk = ScaleImage(image_dict['disk'])
     handler = ScaleImage(image_dict['handler'])
-    album = ScaleImage(image_dict['album'])
+    album = ScaleImage()
 
     disk.resize(192, 192)
     album.clip_resize(128).set_radius(64)
@@ -332,8 +332,8 @@ class SonistWindow(Gtk.Window):
     self.update_album()
 
   @idle
-  def update_album(self, filepath = image_dict['avatar']):
-    self.set_background_image(filepath)
+  def update_album(self, filepath = None):
+    self.set_background_image(filepath or image_dict['album'])
     self.album.reset(filepath, True).set_radius(64)