SOL4Py Samples

#******************************************************************************
#
#  Copyright (c) 2018-2019 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
#******************************************************************************

 
#  YoloObjectDetector.py
# See also: https://github.com/qqwweee/keras-yolo3

# encodig: utf-8

import sys
import os
import cv2
import traceback


# 
sys.path.append('../')

from SOL4Py.ZApplicationView import *

from SOL4Py.ZLabeledComboBox import ZLabeledComboBox
from SOL4Py.ZLabeledSlider   import ZLabeledSlider
from SOL4Py.opencv.ZOpenCVImageView import ZOpenCVImageView  
from SOL4Py.ZVerticalPane    import ZVerticalPane  

from yolo import *

 
class MainView(ZApplicationView):
  # Inner classes
  #--------------------------------------------
  class DetectedImageView(ZOpenCVImageView):
    def __init__(self, parent):
      ZOpenCVImageView.__init__(self, parent)
      
    def load(self, filename):
      self.load_opencv_image(filename)


  #--------------------------------------------
  

  # MainView Constructor
  def __init__(self, title, x, y, width, height):
    super(MainView, self).__init__(title, x, y, width, height)
    
    self.yolo = YOLO()
    
    filename = "../images/Pedestrian.png"
    
    # 1 Create a detected imageview.
    self.detected_image_view = self.DetectedImageView(self) 
  
    # 2 Add an image views to a main_layout of this main view.
    self.add(self.detected_image_view)
    
    # 3 Load the file
    self.load_file(filename)
    
    self.show()


  def __del__(self):
    print("Destructor __del__ called")
    if self.yolo != None:
      self.yolo.close_session()


  def file_open(self):
    options = QFileDialog.Options()
    filename, _ = QFileDialog.getOpenFileName(self,"FileOpenDialog", "",
                     "All Files (*);;Image Files (*.png;*jpg;*.jpeg)", options=options)
    if filename:
      self.load_file(filename)


  def load_file(self, filename):
    filename = os.path.abspath(filename)
    self.detected_image_view.load(filename)
    try:

      image    = Image.open(filename)
      r_image  = self.yolo.detect_image(image)

      cv_image = np.asarray(r_image)
      cv_image = cv2.cvtColor(cv_image, cv2.COLOR_RGB2BGR)
      self.detected_image_view.set_opencv_image(cv_image)
      self.detected_image_view.update()
      self.set_filenamed_title(filename)

    except:
      traceback.print_exc()


#*************************************************
#    
if main(__name__):
  try:
    app_name  = os.path.basename(sys.argv[0])
    applet    = QApplication(sys.argv)
  
    main_view = MainView(app_name, 40, 40, 900, 380)
    main_view.show ()

    applet.exec_()

  except:
    traceback.print_exc()