Python 如何更改GtkImage显示的图像?
在我的程序中,我想通过单击按钮来更改图像,但我找不到该功能Python 如何更改GtkImage显示的图像?,python,gtk,gtk3,gdkpixbuf,Python,Gtk,Gtk3,Gdkpixbuf,在我的程序中,我想通过单击按钮来更改图像,但我找不到该功能 class TestGdkPixbuf(Gtk.Window): Cover= "image.png" Cover2= "image2.png" def __init__(self): Gtk.Window.__init__(self, title="TestGdkPixbuf") mainLayout = Gtk.Box(orientation=Gtk.Orientation
class TestGdkPixbuf(Gtk.Window):
Cover= "image.png"
Cover2= "image2.png"
def __init__(self):
Gtk.Window.__init__(self, title="TestGdkPixbuf")
mainLayout = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=6)
self.image = GdkPixbuf.Pixbuf.new_from_file_at_size(self.Cover, 250, 250)
image_renderer = Gtk.Image.new_from_pixbuf(self.image)
button = Gtk.Button(label='Change')
button.connect('clicked', self.editPixbuf)
mainLayout.pack_start(image_renderer, True, True, 0)
mainLayout.pack_start(button, True, True, 0)
self.add(mainLayout)
def editPixbuf(self, button):
self.image = GdkPixbuf.Pixbuf.new_from_file_at_size(self.Cover2, 250, 250)
print(self.Cover2)
非常感谢您的帮助当您创建Gtk.Image,
Image\u渲染器
时,您提供了一个pixbuf,self.Image
然后在按钮回调中,您确实将图像加载到了pixbuf中,但没有使用新的pixbuf更新image\u渲染器。您应该使用Gtk.Image
尝试:
class TestGdkPixbuf(Gtk.Window):
Cover= "image.png"
Cover2= "image2.png"
def __init__(self):
Gtk.Window.__init__(self, title="TestGdkPixbuf")
mainLayout = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=6)
self.image = GdkPixbuf.Pixbuf.new_from_file_at_size(self.Cover, 250, 250)
self.image_renderer = Gtk.Image.new_from_pixbuf(self.image)
button = Gtk.Button(label='Change')
button.connect('clicked', self.editPixbuf)
mainLayout.pack_start(image_renderer, True, True, 0)
mainLayout.pack_start(button, True, True, 0)
self.add(mainLayout)
def editPixbuf(self, button):
self.image = GdkPixbuf.Pixbuf.new_from_file_at_size(self.Cover2, 250, 250)
self.image_renderer.set_from_pixbuf (self.image)
print(self.Cover2)