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from PyQt5.QtWidgets import ( |
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QHBoxLayout, |
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QLabel, |
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QLineEdit, |
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QSlider, |
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QToolButton, |
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QFileDialog, |
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QApplication, |
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) |
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from PyQt5.QtCore import Qt, QEvent |
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from PIL import Image |
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from constants import DEVICE |
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from app_settings import AppSettings |
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from urllib.parse import urlparse, unquote |
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from frontend.gui.base_widget import BaseWidget |
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from backend.models.lcmdiffusion_setting import DiffusionTask |
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class Img2ImgWidget(BaseWidget): |
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def __init__(self, config: AppSettings, parent): |
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super().__init__(config, parent) |
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self.img_label = QLabel("Init image:") |
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self.img_path = QLineEdit() |
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self.img_path.setReadOnly(True) |
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self.img_path.setAcceptDrops(True) |
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self.img_path.installEventFilter(self) |
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self.img_browse = QToolButton() |
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self.img_browse.setText("...") |
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self.img_browse.setToolTip("Browse for an init image") |
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self.img_browse.clicked.connect(self.browse_click) |
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hlayout = QHBoxLayout() |
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hlayout.addWidget(self.img_label) |
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hlayout.addWidget(self.img_path) |
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hlayout.addWidget(self.img_browse) |
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self.strength_label = QLabel("Denoising strength: 0.3") |
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self.strength = QSlider(orientation=Qt.Orientation.Horizontal) |
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self.strength.setMaximum(10) |
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self.strength.setMinimum(1) |
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self.strength.setValue(3) |
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self.strength.valueChanged.connect(self.update_strength_label) |
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self.layout().addLayout(hlayout) |
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self.layout().addWidget(self.strength_label) |
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self.layout().addWidget(self.strength) |
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def browse_click(self): |
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filename = self.show_file_selection_dialog() |
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if filename[0] != "": |
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self.img_path.setText(filename[0]) |
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def show_file_selection_dialog(self) -> str: |
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filename = QFileDialog.getOpenFileName( |
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self, "Open Image", "results", "Image Files (*.png *.jpg *.bmp)" |
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) |
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return filename |
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def eventFilter(self, source, event: QEvent): |
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"""This is the Drag and Drop event filter for the init image QLineEdit""" |
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if event.type() == QEvent.DragEnter: |
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if event.mimeData().hasFormat("text/plain"): |
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event.acceptProposedAction() |
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return True |
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elif event.type() == QEvent.Drop: |
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event.acceptProposedAction() |
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path = unquote(urlparse(event.mimeData().text()).path) |
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self.img_path.setText(path) |
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return True |
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return False |
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def before_generation(self): |
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super().before_generation() |
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self.img_browse.setEnabled(False) |
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self.img_path.setEnabled(False) |
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def after_generation(self): |
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super().after_generation() |
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self.img_browse.setEnabled(True) |
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self.img_path.setEnabled(True) |
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def generate_image(self): |
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self.parent.prepare_generation_settings(self.config) |
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self.config.settings.lcm_diffusion_setting.diffusion_task = ( |
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DiffusionTask.image_to_image.value |
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) |
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self.config.settings.lcm_diffusion_setting.prompt = self.prompt.toPlainText() |
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self.config.settings.lcm_diffusion_setting.negative_prompt = ( |
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self.neg_prompt.toPlainText() |
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) |
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self.config.settings.lcm_diffusion_setting.init_image = Image.open( |
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self.img_path.text() |
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) |
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self.config.settings.lcm_diffusion_setting.strength = self.strength.value() / 10 |
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images = self.parent.context.generate_text_to_image( |
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self.config.settings, |
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self.config.reshape_required, |
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DEVICE, |
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) |
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self.parent.context.save_images(images, self.config.settings) |
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self.prepare_images(images) |
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self.after_generation() |
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def update_strength_label(self, value): |
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val = round(int(value) / 10, 1) |
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self.strength_label.setText(f"Denoising strength: {val}") |
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self.config.settings.lcm_diffusion_setting.strength = val |
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