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app_gui.py
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from functools import partial
from PySide6.QtCore import Qt
from PySide6.QtWidgets import (
QVBoxLayout,
QHBoxLayout,
QComboBox,
QLabel,
QPushButton,
QWidget,
QFileDialog,
QStatusBar,
QMessageBox,
)
from graphics_view import GraphicsView
from image_view import ImageView
class AppGui(QVBoxLayout):
def __init__(self, parent=None):
super(AppGui, self).__init__(parent)
self.main_window = parent
self.image_views = []
# Bottom bar
self.top_settings_layout = QHBoxLayout()
# Change resolution based on selected images
self.resolution_layout = QVBoxLayout()
self.resolution_layout.setAlignment(Qt.AlignCenter)
self.resolution_label = QLabel("Resolution")
self.resolution_label.setAlignment(Qt.AlignCenter)
self.resolution_combo = QComboBox()
self.resolution_combo.setFixedWidth(100)
self.resolution_combo.currentTextChanged.connect(self.set_resolution)
self.resolution_layout.addWidget(self.resolution_label)
self.resolution_layout.addWidget(self.resolution_combo)
self.top_settings_layout.addLayout(self.resolution_layout)
# Images comparison
self.images_widget = QWidget()
self.image_views_layout = QHBoxLayout()
self.image_views_layout.setSpacing(0)
self.add_image_view()
self.add_image_view()
# Layout with remove and add button
self.add_remove_image_layout = QHBoxLayout()
self.remove_button = QPushButton()
self.remove_button.setText("-")
self.remove_button.setFixedSize(30, 30)
self.remove_button.pressed.connect(self.remove_image_view)
self.add_button = QPushButton()
self.add_button.setText("+")
self.add_button.setFixedSize(30, 30)
self.add_button.pressed.connect(self.add_image_view)
self.add_remove_image_layout.addStretch()
self.add_remove_image_layout.addWidget(self.remove_button)
self.add_remove_image_layout.addWidget(self.add_button)
self.add_remove_image_layout.addStretch()
# Bottom bar
self.bottom_settings_layout = QHBoxLayout()
self.save_comparison_button = QPushButton()
self.save_comparison_button.setText("Save comparison")
self.save_comparison_button.setFixedWidth(200)
self.save_comparison_button.pressed.connect(self.save_comparison)
self.bottom_settings_layout.addWidget(self.save_comparison_button)
self.images_widget.setLayout(self.image_views_layout)
self.status_bar = QStatusBar()
self.version = QLabel("Image Comparer v0.5")
self.resolution_status = QLabel("None")
self.status_bar.addWidget(self.version)
self.status_bar.addWidget(self.resolution_status)
self.main_window.setStatusBar(self.status_bar)
self.addLayout(self.top_settings_layout)
self.addWidget(self.images_widget)
self.addLayout(self.add_remove_image_layout)
self.addLayout(self.bottom_settings_layout)
def add_image_view(self):
graphics_view = GraphicsView()
graphics_view.image_view.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
graphics_view.image_view.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
graphics_view.image_view.horizontalScrollBar().valueChanged.connect(
partial(self.slider_sync, "horizontal")
)
graphics_view.image_view.verticalScrollBar().valueChanged.connect(
partial(self.slider_sync, "vertical")
)
graphics_view.image_view.photoAdded.connect(self.add_resolution)
graphics_view.image_view.tranformChanged.connect(self.set_transform)
graphics_view.image_view.multipleUrls.connect(self.load_multiple_images)
self.image_views_layout.addLayout(graphics_view)
self.image_views.append(graphics_view)
def load_multiple_images(self, urls):
dialog = QMessageBox()
dialog.setWindowTitle("Multiple files")
dialog.setText("Do you want to load multiple files?")
dialog.setStandardButtons(QMessageBox.Yes | QMessageBox.No)
result = dialog.exec_()
urls = urls
if result == QMessageBox.Yes:
for item in self.image_views:
if not item.image_view.url:
item.image_view.url = urls[0]
urls.remove(urls[0])
for item in self.image_views:
item.image_view.loadImage(item.image_view.url.toLocalFile())
elif result == QMessageBox.No:
return
def remove_image_view(self):
if len(self.image_views) > 2:
self.image_views_layout.removeItem(self.image_views[-1])
self.image_views[-1].deleteLater()
self.image_views[-1].image_view.deleteLater()
self.image_views[-1].text_view.deleteLater()
self.image_views.remove(self.image_views[-1])
def set_transform(self, *args):
for item in self.image_views:
item.image_view.set_transform(*args)
def slider_sync(
self,
orientation,
value,
):
for item in self.image_views:
if orientation == "horizontal":
item.image_view.horizontalScrollBar().setValue(value)
else:
item.image_view.verticalScrollBar().setValue(value)
def set_resolution(self, resolution):
resolution = resolution.split("x")
for item in self.image_views:
if item.image_view.scene().items():
item.image_view.scene().items()[0].setPixmap(
item.image_view.original_image.scaled(
int(resolution[0]), int(resolution[1])
)
)
item.image_view.setSceneRect(0, 0, int(resolution[0]), int(resolution[1]))
item.image_view.setSceneRect(0, 0, int(resolution[0]), int(resolution[1]))
self.resolution_status.setText("x".join(resolution))
self.resolution_status.setStyleSheet("color: lime")
def add_resolution(self, width, height):
resolution = f"{width}x{height}"
if resolution not in [
self.resolution_combo.itemText(i)
for i in range(self.resolution_combo.count())
]:
self.resolution_combo.addItem(resolution)
if self.resolution_combo.currentText():
self.set_resolution(self.resolution_combo.currentText())
def save_comparison(self):
file_dialog = QFileDialog()
file_dialog.setNameFilter("JPEG Image Files (*.jpg)")
file_path, _ = file_dialog.getSaveFileName(
None, "Save Comparison Screenshot", "", "JPEG Image Files (*.jpg)"
)
if file_path:
screenshot = self.images_widget.grab()
screenshot.save(file_path, "jpg")
print(f"Saved screenshot as {file_path}")