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/>.
#
#******************************************************************************


# encodig: utf-8

import sys
import os
import cv2
import traceback


from PyQt5.QtCore    import *
from PyQt5.QtWidgets import *
from PyQt5.QtGui     import *

# 
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

 
class MainView(ZApplicationView):
  # Inner classes
  #--------------------------------------------
  class SourceImageView(ZOpenCVImageView):
    def __init__(self, parent):
      ZOpenCVImageView.__init__(self, parent)

    def load(self, filename):
      self.load_opencv_image(filename)
      self.update()

  class DetectedImageView(ZOpenCVImageView):
    def __init__(self, parent):
      ZOpenCVImageView.__init__(self, parent)
      
    def load(self, filename):
      self.load_opencv_image(filename)
      self.update()
      
    def detect(self, hParameter,  template_window_size, search_window_size):
      src_image = self.get_opencv_image()
      denoized_image = cv2.fastNlMeansDenoising(src_image, 
          hParameter, 
          template_window_size, search_window_size)    
      
      self.set_opencv_image(denoized_image)
      self.update()
      
  #--------------------------------------------

  # Class variables
  H_PARAMETER_MAX          = 31
  TEMPLATE_WINDOW_SIZE_MAX = 31
  SEARCH_WINDOW_SIZE_MAX   = 31
        
  # MainView Constructor
  def __init__(self, title, x, y, width, height):
    super(MainView, self).__init__(title, x, y, width, height)

    filename = "../images/MeshedNioh.png"
    
    # 1 Create first imageview.
    self.source_image_view = self.SourceImageView(self) 

    # 2 Create second imageview.
    self.detected_image_view = self.DetectedImageView(self) 
  
    # 3 Load the file
    self.load_file(filename)
      
    
    # 4 Add imageviews to the main_layout which is a horizontal layouter.
    self.add(self.source_image_view)
    self.add(self.detected_image_view)

    #self.detected_image_view.detect(self.hParameter, 
    #       self.template_window_size, self.search_window_size)
  
    self.show()
  

  def add_control_pane(self, fixed_width=220):
    # Control pane widget
    self.vpane = ZVerticalPane(self, fixed_width)

    self.hParameter        = 21
    self.hParameter_slider = ZLabeledSlider(self.vpane, "H Parameter", take_odd =False,  
                        minimum=1, maximum=self.H_PARAMETER_MAX, value=self.hParameter)
    self.hParameter_slider.add_value_changed_callback(self.hParameter_changed)

    self.template_window_size        = 15
    self.template_window_size_slider = ZLabeledSlider(self.vpane, "TemplateWindowSize", take_odd =False,  
                        minimum=1, maximum=self.TEMPLATE_WINDOW_SIZE_MAX, value=self.template_window_size)
    self.template_window_size_slider.add_value_changed_callback(self.template_window_size_changed)

    self.search_window_size        = 13
    self.search_window_size_slider = ZLabeledSlider(self.vpane, "SearchWindowSize", take_odd =False,  
                        minimum=1, maximum=self.SEARCH_WINDOW_SIZE_MAX, value=self.search_window_size)
    self.search_window_size_slider.add_value_changed_callback(self.search_window_size_changed)

    self.vpane.add(self.hParameter_slider)
    self.vpane.add(self.template_window_size_slider)
    self.vpane.add(self.search_window_size_slider)

    self.set_right_dock(self.vpane)
  
    
  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):
    self.source_image_view.load(filename)
    self.detected_image_view.load(filename)
 
    self.detected_image_view.detect(self.hParameter, 
           self.template_window_size, self.search_window_size)

    self.set_filenamed_title(filename)
      
  
  def hParameter_changed(self, value):
    self.hParameter = int(value)
    print("slider1_value_changed:{}".format(value))

    self.detected_image_view.detect(self.hParameter, 
           self.template_window_size, self.search_window_size)

     
  def template_window_size_changed(self, value):
    self.template_window = int(value)
    print("slider1_value_changed:{}".format(value))

    self.detected_image_view.detect(self.hParameter, 
           self.template_window_size, self.search_window_size)
     
  def search_window_size_changed(self, value):
    self.search_window_size = int(value)
    print("slider1_value_changed:{}".format(value))

    self.detected_image_view.detect(self.hParameter, 
           self.template_window_size, self.search_window_size)


#*************************************************
#    
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.resize(900, 380)
    main_view.show ()

    applet.exec_()

  except:
     traceback.print_exc()
     pass