获取屏幕像素颜色linux Python 3
我有一个Python2.7的工作程序,我正在尝试将其转换为Python3.3 工作版本为:获取屏幕像素颜色linux Python 3,python,linux,gtk,linux-mint,Python,Linux,Gtk,Linux Mint,我有一个Python2.7的工作程序,我正在尝试将其转换为Python3.3 工作版本为: #!/usr/bin/python2 import gtk.gdk import sys def PixelAt(x, y): w = gtk.gdk.get_default_root_window() pb = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, 1, 1) cm = w.get_colormap() pb = pb.get
#!/usr/bin/python2
import gtk.gdk
import sys
def PixelAt(x, y):
w = gtk.gdk.get_default_root_window()
pb = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, 1, 1)
cm = w.get_colormap()
pb = pb.get_from_drawable(w, cm, x, y, 0, 0, 1, 1)
return pb.pixel_array[0][0]
print(PixelAt(int(sys.argv[1]), int(sys.argv[2])))
部分转换的是:
#!/usr/bin/python3
from gi.repository import Gtk, Gdk, GdkPixbuf
import sys
def PixelAt(x, y):
w = Gdk.get_default_root_window()
pb = GdkPixbuf.Pixbuf.new(GdkPixbuf.Colorspace.RGB, False, 8, 1, 1)
cm = w.get_colormap() # What goes here?
pb = pb.get_from_drawable(w, cm, x, y, 0, 0, 1, 1) # What goes here?
return pb.pixel_array[0][0]
print(PixelAt(int(sys.argv[1]), int(sys.argv[2])))
完成转换需要什么
[编辑]
感谢@jku,这是我完整的Python 3颜色选择器:
#!/usr/bin/python3
# Print RGB color values of screen pixel at location x, y
from gi.repository import Gdk
import sys
def PixelAt(x, y):
w = Gdk.get_default_root_window()
pb = Gdk.pixbuf_get_from_window(w, x, y, 1, 1)
return pb.get_pixels()
print(tuple(PixelAt(int(sys.argv[1]), int(sys.argv[2]))))
[结束编辑]
w = Gdk.get_default_root_window()
pb = Gdk.pixbuf_get_from_window(w, x, y, 1 ,1)
应该这样做。请注意,
pixbuf\u get\u from_window()
可以像您使用的Gdk2函数一样不返回任何值:您必须在使用它之前检查返回值。非常感谢@jku!我在后期编辑中添加了我的最终完整程序。