55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
from .util import prepare_for_display, window_manager, GuiLockError
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try:
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# we try to acquire the gui lock first
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# or else the gui import might trample another
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# gui's pyos_inputhook.
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window_manager.acquire('gtk')
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except GuiLockError as gle:
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print(gle)
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else:
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try:
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import gtk
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except ImportError:
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print('pygtk libraries not installed.')
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print('plugin not loaded.')
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window_manager._release('gtk')
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else:
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class ImageWindow(gtk.Window):
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def __init__(self, arr, mgr):
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gtk.Window.__init__(self)
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self.mgr = mgr
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self.mgr.add_window(self)
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self.connect("destroy", self.destroy)
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width = arr.shape[1]
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height = arr.shape[0]
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rstride = arr.strides[0]
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pb = gtk.gdk.pixbuf_new_from_data(arr.data,
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gtk.gdk.COLORSPACE_RGB,
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False, 8, width, height,
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rstride)
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self.img = gtk.Image()
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self.img.set_from_pixbuf(pb)
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self.add(self.img)
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self.img.show()
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def destroy(self, widget, data=None):
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self.mgr.remove_window(self)
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def imshow(arr):
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arr = prepare_for_display(arr)
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iw = ImageWindow(arr, window_manager)
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iw.show()
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def _app_show():
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if window_manager.has_windows():
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window_manager.register_callback(gtk.main_quit)
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gtk.main()
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else:
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print('no images to display')
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