Source code for enamlnative.widgets.camera_view

"""
Copyright (c) 2017-2022, CodeLV.

Distributed under the terms of the MIT License.

The full license is in the file LICENSE, distributed with this software.

Created on May 10, 2018

 
"""
from atom.api import Bool, ForwardTyped, Typed, observe
from enaml.core.declarative import d_
from .texture_view import ProxyTextureView, TextureView


class ProxyCameraView(ProxyTextureView):
    """The abstract definition of a proxy surface object."""

    #: A reference to the declaration.
    declaration = ForwardTyped(lambda: CameraView)

    def set_preview(self, show):
        raise NotImplementedError

    def take_picture(self):
        raise NotImplementedError


[docs]class CameraView(TextureView):
    """A helper view to tie in a camera."""

    #: Display a preview
    preview = d_(Bool())

    #: A reference to the ProxyCameraView object.
    proxy = Typed(ProxyCameraView)

    @observe("preview")
    def _update_proxy(self, change):

        super()._update_proxy(change)

    def take_picture(self):
        self.proxy.take_picture()