[task_04] Add task 04 (#123)

* task_01 * task_04 * task_01 * task_04 --------- Co-authored-by: redCat <[email protected]>
brstu · May 17, 2024 · def3f57 · def3f57
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diff --git a/trunk/ii02211/task_01/img/oooohhh.jpg b/trunk/ii02211/task_01/img/oooohhh.jpg
diff --git a/trunk/ii02211/task_01/img/oooohhh2.jpg b/trunk/ii02211/task_01/img/oooohhh2.jpg
diff --git a/trunk/ii02211/task_01/readme.md b/trunk/ii02211/task_01/readme.md
@@ -0,0 +1,28 @@
+## Лабораторная работа №2 <br/> ##
+
+## Тема ##
+
+Разработка приложения «Адресная книга» средствами Qt
+
+## Цель работы ##
+
+Изучить базовые компоненты средства разработки графического интерфейса среды Qt.
+
+## Задание ##
+
+Выполнить последовательно разработку приложения «Адресная книга», согласно учебному пособию расположенному по адресу (K:\LOOK\4-kurs\ГИИС\Lab3\crossplatform\tutorials-addressbook.html).
+
+## Результат работы ##
+
+![Первая фотка до обработки](./images/oooohhh.jpg)
+![Фотка после обработки](./images/oooohhh2.jpg)
+
+## Код программы ##
+
+### Конструктор и деструктор ###
+...
+
+if __name__ == "__main__":
+    main()
+
+запуск кода
diff --git a/trunk/ii02211/task_01/src/main.py b/trunk/ii02211/task_01/src/main.py
@@ -0,0 +1,291 @@
+import sys
+from PyQt5.QtGui import QPixmap, QImage
+from PyQt5.QtWidgets import (
+    QApplication, QLabel, QWidget, QPushButton, QFileDialog, QGridLayout, QTabWidget, QSlider, QMessageBox
+)
+from PyQt5.QtCore import Qt
+from PyQt5.QtWidgets import QProgressBar
+import numpy as np
+import cv2
+
+
+class ImageViewerApp(QWidget):
+    def __init__(self):
+        super().__init__()
+
+        self.file_name = None
+        self.pixmap = None
+        self.scaled_pixmap = None
+        self.edit_im = None
+        self.progress_bar = None
+
+        self.init_ui()
+
+    def init_ui(self):
+        self.setWindowTitle('NOISE CANCELLER')
+        self.setFixedSize(1000, 800)
+
+        self.image_label1 = QLabel(self)
+        self.image_label2 = QLabel(self)
+
+        self.load_button = QPushButton('Load Image', self)
+        self.load_button.clicked.connect(self.load_image)
+
+        self.use_button = QPushButton('Use', self)
+        self.use_button.clicked.connect(self.use_function)
+
+        self.save_button = QPushButton('Save Image', self)
+        self.save_button.clicked.connect(self.save_image)
+
+        self.progress_bar = QProgressBar(self)
+        self.progress_bar.setMinimum(0)
+        self.progress_bar.setMaximum(100)
+        self.progress_bar.setValue(0)
+        self.progress_bar.setVisible(False)
+
+        self.init_tab_widgets()
+
+        layout = QGridLayout(self)
+        layout.addWidget(self.image_label1, 0, 0, 1, 3)
+        layout.addWidget(self.image_label2, 1, 0, 1, 3)
+        layout.addWidget(self.load_button, 2, 0, 1, 1)
+        layout.addWidget(self.use_button, 2, 1, 1, 1)
+        layout.addWidget(self.save_button, 2, 2, 1, 1)
+        layout.addWidget(self.tab_widget, 0, 3, 3, 1)
+        layout.addWidget(self.progress_bar, 3, 0, 1, 5)
+
+        layout.setColumnStretch(0, 1)
+        layout.setColumnStretch(1, 1)
+        layout.setColumnStretch(2, 1)
+        layout.setColumnStretch(3, 2)
+        layout.setRowStretch(0, 1)
+        layout.setRowStretch(1, 1)
+        layout.setRowStretch(2, 1)
+
+    def init_tab_widgets(self):
+        self.tab_widget = QTabWidget(self)
+        self.tab1 = QWidget()
+        self.tab2 = QWidget()
+        self.tab_widget.addTab(self.tab2, 'Recover photo')
+        self.tab_widget.addTab(self.tab1, 'Make noise photo')
+
+        self.noise_slider = self.make_slider(Qt.Horizontal, 0, 10, 250, 20, self.noise_value_changed)
+        self.noise_value = 0
+        self.noise_slider_label = QLabel("Noise Level: " + str(self.noise_slider.value()))
+        self.noise_slider_label.setAlignment(Qt.AlignCenter)
+
+        self.noise_button = QPushButton('Make noise', self.tab1)
+        self.noise_button.clicked.connect(self.make_noise)
+
+        layout_tab1 = QGridLayout(self.tab1)
+        layout_tab1.addWidget(self.noise_slider, 0, 1, Qt.AlignCenter)
+        layout_tab1.addWidget(self.noise_slider_label, 0, 2)
+        layout_tab1.addWidget(self.noise_button, 1, 0, 1, 3)
+        self.tab1.setLayout(layout_tab1)
+
+        self.x_slider_cross = self.make_slider(Qt.Horizontal, 0, 1, 250, 20, self.horizontal_slider_changed)
+        self.x_value = 0
+        self.x_slider_cross_label = QLabel("X Position: " + str(self.x_slider_cross.value()))
+        self.x_slider_cross_label.setAlignment(Qt.AlignCenter)
+
+        self.y_slider_cross = self.make_slider(Qt.Vertical, 0, 1, 20, 250, self.vertical_slider_changed)
+        self.y_value = 0
+        self.y_slider_cross.setInvertedAppearance(True)
+        self.y_slider_cross_label = QLabel("Y Position: " + str(self.y_slider_cross.value()))
+        self.y_slider_cross_label.setAlignment(Qt.AlignCenter)
+
+        self.size_slider = self.make_slider(Qt.Horizontal, 1, 15, 250, 20, self.size_slider_changed)
+        self.size_value = 3
+        self.size_slider_label = QLabel("Size: " + str(3))
+        self.size_slider_label.setAlignment(Qt.AlignCenter)
+
+        self.recover_button = QPushButton('Recover', self.tab2)
+        self.recover_button.clicked.connect(self.recover)
+
+        layout_tab2 = QGridLayout(self.tab2)
+        layout_tab2.addWidget(self.x_slider_cross, 0, 1, Qt.AlignCenter)
+        layout_tab2.addWidget(self.x_slider_cross_label, 0, 2)
+        layout_tab2.addWidget(self.y_slider_cross, 0, 1, Qt.AlignCenter)
+        layout_tab2.addWidget(self.y_slider_cross_label, 1, 1, Qt.AlignCenter)
+        layout_tab2.addWidget(self.size_slider, 2, 1, Qt.AlignCenter)
+        layout_tab2.addWidget(self.size_slider_label, 2, 2)
+        layout_tab2.addWidget(self.recover_button, 3, 0, 3, 3)
+        self.tab2.setLayout(layout_tab2)
+
+    def make_slider(self, situation, min, max, x_size, y_size, function):
+        slider = QSlider(situation)
+        slider.setRange(min, max)
+        slider.setSingleStep(1)
+        slider.setFixedSize(x_size, y_size)
+        slider.setTickPosition(QSlider.TicksBothSides)
+        slider.setTickInterval(1)
+        slider.valueChanged.connect(function)
+        return slider
+
+    def load_image(self):
+        options = QFileDialog.Options()
+        options |= QFileDialog.DontUseNativeDialog
+        file_name, _ = QFileDialog.getOpenFileName(self, 'Open Image', '',
+                                                   'Image Files (*.png *.jpg *.jpeg);;All Files (*)',
+                                                   options=options)
+        if file_name:
+            self.file_name = file_name
+            self.pixmap = QPixmap(self.file_name)
+            self.label_size = self.image_label1.size()
+            self.scaled_pixmap = self.pixmap.scaled(self.label_size, aspectRatioMode=Qt.KeepAspectRatio)
+            self.image_label1.setPixmap(self.scaled_pixmap)
+            self.image_label2.setPixmap(self.scaled_pixmap)
+
+    def use_function(self):
+        if self.file_name is not None:
+            if self.edit_im:
+                temp_file_name = "temp.jpg"
+                self.edit_im.save(temp_file_name)
+
+                self.file_name = temp_file_name
+                self.pixmap = QPixmap(self.file_name)
+                self.label_size = self.image_label1.size()
+                self.scaled_pixmap = self.pixmap.scaled(self.label_size, aspectRatioMode=Qt.KeepAspectRatio)
+                self.image_label1.setPixmap(self.scaled_pixmap)
+                self.image_label2.setPixmap(self.scaled_pixmap)
+            else:
+                self.call_message_box("Error", "Edit photo first.", QMessageBox.Critical)
+        else:
+            self.call_message_box("Error", "Choose photo first.", QMessageBox.Critical)
+
+    def save_image(self):
+        if self.file_name is not None:
+            if self.edit_im is not None:
+                options = QFileDialog.Options()
+                options |= QFileDialog.DontUseNativeDialog
+                file_name, _ = QFileDialog.getSaveFileName(self, 'Save Image', '',
+                                                           'Image Files (*.png *.jpg *.jpeg);;All Files (*)',
+                                                           options=options)
+                self.edit_im.save(file_name)
+            else:
+                self.call_message_box("Error", "You haven't changed anything.", QMessageBox.Critical)
+        else:
+            self.call_message_box("Error", "Choose photo first.", QMessageBox.Critical)
+
+    def noise_value_changed(self, value):
+        self.noise_slider_label.setText("Noise Level: " + str(value))
+        self.noise_value = value
+
+    def make_noise(self):
+        if self.file_name:
+            edit_im = cv2.cvtColor(cv2.imread(self.file_name), cv2.COLOR_BGR2RGB)
+
+            height, width, channels = edit_im.shape
+            if (num_pixels_to_alter := round(self.noise_value / 100 * height * width)) == 0:
+                self.image_label2.setPixmap(self.scaled_pixmap)
+                return
+            x_coordinates = np.random.randint(0, width - 1, num_pixels_to_alter)
+            y_coordinates = np.random.randint(0, height - 1, num_pixels_to_alter)
+            colors = np.random.randint(0, 255, (num_pixels_to_alter, 3), dtype=np.uint8)
+            edit_im[y_coordinates, x_coordinates] = colors
+
+            height, width, channels = edit_im.shape
+            edit_im = QImage(edit_im, width, height, width * channels, QImage.Format_RGB888)
+
+            self.edit_im = edit_im
+
+            pixmap = QPixmap(edit_im).scaled(self.label_size, aspectRatioMode=Qt.KeepAspectRatio)
+            self.image_label2.setPixmap(pixmap)
+        else:
+            self.call_message_box("Error", "Choose photo first.", QMessageBox.Critical)
+
+    def horizontal_slider_changed(self, value):
+        self.x_slider_cross_label.setText("X Position: " + str(value))
+        self.x_value = value
+
+    def vertical_slider_changed(self, value):
+        self.y_slider_cross_label.setText("Y Position: " + str(value))
+        self.y_value = value
+
+    def size_slider_changed(self, value):
+        value = 2 * value + 1
+        self.size_slider_label.setText("Size: " + str(value))
+        self.y_slider_cross.setRange(0, value - 1)
+        self.y_slider_cross.setValue(0)
+        self.x_slider_cross.setRange(0, value - 1)
+        self.x_slider_cross.setValue(0)
+        self.size_value = value
+
+    def recover(self):
+        if self.file_name:
+            self.toggle_buttons_state(False)
+            self.progress_bar.setVisible(True)
+
+            edit_im = cv2.cvtColor(cv2.imread(self.file_name), cv2.COLOR_BGR2RGB)
+            height, width, channels = edit_im.shape
+            num_of_iterations = height * width * channels
+
+            size = self.size_value
+            x = self.x_value
+            y = self.y_value
+
+            kernel = np.zeros((size, size))
+            kernel[x, :], kernel[:, y] = 1, 1
+
+            top_padding = y
+            bottom_padding = size - y - 1
+            left_padding = x
+            right_padding = size - x - 1
+            edit_im = np.pad(edit_im,
+                             ((top_padding, bottom_padding), (left_padding, right_padding), (0, 0)), mode="constant")
+
+            height, width, channels = edit_im.shape
+            num_of_zeros = size ** 2 - 2 * size + 1
+            median = int((size - 1) / 2 + 1)
+            filter_im = np.zeros_like(edit_im, dtype=np.int8)
+
+            k = 0
+            for i in range(top_padding, height - bottom_padding):
+                for j in range(left_padding, width - right_padding):
+                    for c in range(channels):
+                        filter_im[i, j, c] = np.sort(
+                            (edit_im[i - top_padding:i + bottom_padding + 1, j - left_padding:j + right_padding + 1, c]
+                             * kernel)
+                            .flatten())[num_of_zeros:][median]
+
+                        k += 1
+                        progress_value = int(k / num_of_iterations * 100)
+                        self.progress_bar.setValue(progress_value)
+                        QApplication.processEvents()
+
+            edit_im = filter_im[top_padding:height - bottom_padding, left_padding:width - right_padding, :]
+
+            edit_im = edit_im.astype(np.uint8).copy()
+            height, width, channels = edit_im.shape
+            edit_im = QImage(edit_im, width, height, width * channels, QImage.Format_RGB888)
+
+            self.edit_im = edit_im
+
+            pixmap = QPixmap(edit_im).scaled(self.label_size, aspectRatioMode=Qt.KeepAspectRatio)
+            self.image_label2.setPixmap(pixmap)
+
+            self.toggle_buttons_state(True)
+            self.progress_bar.setVisible(False)
+        else:
+            self.call_message_box("Error", "Choose photo first.", QMessageBox.Critical)
+
+    def toggle_buttons_state(self, state):
+        self.load_button.setEnabled(state)
+        self.save_button.setEnabled(state)
+        self.noise_button.setEnabled(state)
+        self.recover_button.setEnabled(state)
+
+    def call_message_box(self, title, message, type_of_message):
+        message_box = QMessageBox()
+        message_box.setWindowTitle(title)
+        message_box.setText(message)
+        message_box.setIcon(type_of_message)
+        message_box.setStandardButtons(QMessageBox.Ok)
+        message_box.exec_()
+
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    window = ImageViewerApp()
+    window.show()
+    sys.exit(app.exec())
diff --git a/trunk/ii02211/task_04/images/snake1.jpg b/trunk/ii02211/task_04/images/snake1.jpg
diff --git a/trunk/ii02211/task_04/images/snake2.jpg b/trunk/ii02211/task_04/images/snake2.jpg
diff --git a/trunk/ii02211/task_04/readme.md b/trunk/ii02211/task_04/readme.md
@@ -0,0 +1,21 @@
+# Лабораторная работа №4 #
+
+## Тема ##
+
+Разработка игры
+
+## Цель работы ##
+
+Создание игры по заданному варианту.
+
+## Задание ##
+
+Создание игры по заданному варианту.
+Вариант 1. snake
+
+## Результат работы ##
+
+![начало увлекательной игры](.\images\snake1.jpg)
+![конец увлекательной игры](.\images\snake2.jpg)
+
+