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113 lines
4.2 KiB
113 lines
4.2 KiB
#!/usr/bin/env python3 |
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# -*- coding: utf-8 -*- |
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# Copyright (C) 2018 Andy Stewart |
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# |
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# Author: Andy Stewart <lazycat.manatee@gmail.com> |
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# Maintainer: Andy Stewart <lazycat.manatee@gmail.com> |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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from PyQt5.QtCore import Qt, QSizeF |
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from PyQt5.QtGui import QBrush |
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from PyQt5.QtGui import QColor |
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from PyQt5.QtMultimedia import QCameraInfo, QCamera, QCameraImageCapture |
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from PyQt5.QtMultimediaWidgets import QGraphicsVideoItem |
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from PyQt5.QtWidgets import QGraphicsScene, QGraphicsView |
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from PyQt5.QtWidgets import QWidget, QVBoxLayout |
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from core.buffer import Buffer |
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from pathlib import Path |
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import time |
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import os |
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class AppBuffer(Buffer): |
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def __init__(self, buffer_id, url, config_dir, arguments, emacs_var_dict, module_path): |
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Buffer.__init__(self, buffer_id, url, arguments, emacs_var_dict, module_path, True) |
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self.add_widget(CameraWidget(QColor(0, 0, 0, 255))) |
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def all_views_hide(self): |
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# Need stop camera if all view will hide, otherwise camera will crash. |
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self.buffer_widget.camera.stop() |
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def some_view_show(self): |
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# Re-start camero after some view show. |
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self.buffer_widget.camera.start() |
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def take_photo(self): |
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if os.path.exists(os.path.expanduser(self.emacs_var_dict["eaf-camera-save-path"])): |
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self.buffer_widget.take_photo(self.emacs_var_dict["eaf-camera-save-path"]) |
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else: |
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self.buffer_widget.take_photo("~/Downloads") |
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def destroy_buffer(self): |
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self.buffer_widget.stop_camera() |
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super().destroy_buffer() |
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class CameraWidget(QWidget): |
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def __init__(self, background_color): |
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QWidget.__init__(self) |
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self.scene = QGraphicsScene(self) |
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self.scene.setBackgroundBrush(QBrush(background_color)) |
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self.graphics_view = QGraphicsView(self.scene) |
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self.graphics_view.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff) |
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self.graphics_view.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff) |
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self.graphics_view.setFrameStyle(0) |
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self.graphics_view.setStyleSheet("QGraphicsView {background: transparent; border: 3px; outline: none;}") |
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self.graphics_view.scale(-1, 1) # this make live video from camero mirror. |
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self.video_item = QGraphicsVideoItem() |
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self.scene.addItem(self.video_item) |
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self.layout = QVBoxLayout(self) |
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self.layout.setContentsMargins(0, 0, 0, 0) |
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self.layout.addWidget(self.graphics_view) |
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self.available_cameras = QCameraInfo.availableCameras() |
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# Set the default camera. |
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self.select_camera(0) |
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def resizeEvent(self, event): |
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self.video_item.setSize(QSizeF(event.size().width(), event.size().height())) |
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QWidget.resizeEvent(self, event) |
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def select_camera(self, i): |
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self.camera = QCamera(self.available_cameras[i]) |
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self.camera.setViewfinder(self.video_item) |
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self.camera.setCaptureMode(QCamera.CaptureStillImage) |
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self.camera.start() |
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def take_photo(self, camera_save_path): |
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image_capture = QCameraImageCapture(self.camera) |
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save_path = str(Path(os.path.expanduser(camera_save_path))) |
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photo_path = os.path.join(save_path, "EAF_Camera_Photo_" + time.strftime("%Y-%m-%d_%H:%M:%S", time.localtime(int(time.time())))) |
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image_capture.capture(photo_path) |
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self.message_to_emacs.emit("Captured Photo at " + photo_path) |
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def stop_camera(self): |
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self.camera.stop() |
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if __name__ == "__main__": |
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from PyQt5.QtWidgets import QApplication |
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import sys |
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import signal |
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app = QApplication(sys.argv) |
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test = CameraWidget(QColor(0, 0, 0, 255)) |
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test.show() |
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signal.signal(signal.SIGINT, signal.SIG_DFL) |
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sys.exit(app.exec_())
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