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controller.py
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import os
import cv2, shutil
import tempfile
import numpy as np
import copy
from typing import Callable, Tuple, List
from dataclasses import asdict, is_dataclass
from PySide6 import QtWidgets
from PySide6 import QtCore
from PySide6.QtCore import QCoreApplication, QSettings, QThreadPool
from PySide6.QtCore import QRectF, Qt
from PySide6.QtGui import QColor
from PySide6.QtGui import QUndoStack, QUndoGroup
from app.ui.dayu_widgets.clickable_card import ClickMeta
from app.ui.dayu_widgets.qt import MPixmap
from app.ui.main_window import ComicTranslateUI
from app.ui.messages import Messages
from app.thread_worker import GenericWorker
from app.ui.dayu_widgets.message import MMessage
from app.ui.canvas.text_item import TextBlockItem
from app.ui.canvas.rectangle import MoveableRectItem
from app.ui.canvas.save_renderer import ImageSaveRenderer
from app.ui.commands.box import AddRectangleCommand, DeleteBoxesCommand, \
BoxesChangeCommand, AddTextItemCommand
from app.ui.commands.textformat import TextFormatCommand
from app.ui.commands.image import SetImageCommand
from app.projects.project_state import save_state_to_proj_file, load_state_from_proj_file
from modules.detection import do_rectangles_overlap, get_inpaint_bboxes
from modules.utils.textblock import TextBlock
from modules.rendering.render import manual_wrap
from modules.utils.file_handler import FileHandler
from modules.utils.pipeline_utils import font_selected, validate_settings, get_layout_direction, \
validate_ocr, validate_translator, get_language_code
from modules.utils.archives import make
from modules.utils.download import get_models, mandatory_models
from modules.utils.translator_utils import format_translations, is_there_text
from modules.rendering.render import TextRenderingSettings
from pipeline import ComicTranslatePipeline
for model in mandatory_models:
get_models(model)
class ComicTranslate(ComicTranslateUI):
image_processed = QtCore.Signal(int, object, str)
progress_update = QtCore.Signal(int, int, int, int, bool)
image_skipped = QtCore.Signal(str, str, str)
blk_rendered = QtCore.Signal(str, int, object)
def __init__(self, parent=None):
super(ComicTranslate, self).__init__(parent)
self.image_files = []
self.curr_img_idx = -1
self.image_states = {}
self.blk_list = []
self.image_data = {} # Store the latest version of each image
self.image_history = {} # Store file path history for all images
self.in_memory_history = {} # Store cv2 image history for recent images
self.current_history_index = {} # Current position in the history for each image
self.displayed_images = set() # Set to track displayed images
self.undo_group = QUndoGroup(self)
self.undo_stacks = {}
self.curr_tblock = None
self.curr_tblock_item = None
self.project_file = None
self.pipeline = ComicTranslatePipeline(self)
self.file_handler = FileHandler()
self.threadpool = QThreadPool()
self.current_worker = None
self.image_skipped.connect(self.on_image_skipped)
self.image_processed.connect(self.on_image_processed)
self.progress_update.connect(self.update_progress)
self.blk_rendered.connect(self.on_blk_rendered)
self.image_cards = []
self.current_highlighted_card = None
self.connect_ui_elements()
self.setFocusPolicy(QtCore.Qt.FocusPolicy.StrongFocus)
self.load_main_page_settings()
self.settings_page.load_settings()
self.temp_dir = tempfile.mkdtemp()
self.max_images_in_memory = 10
self.loaded_images = []
# List of widgets to block signals for during manual rendering
self.widgets_to_block = [
self.font_dropdown,
self.font_size_dropdown,
self.line_spacing_dropdown,
self.block_font_color_button,
self.outline_font_color_button,
self.outline_width_dropdown,
self.outline_checkbox
]
def connect_ui_elements(self):
# Browsers
self.image_browser_button.sig_files_changed.connect(self.thread_load_images)
self.document_browser_button.sig_files_changed.connect(self.thread_load_images)
self.archive_browser_button.sig_files_changed.connect(self.thread_load_images)
self.comic_browser_button.sig_files_changed.connect(self.thread_load_images)
self.project_browser_button.sig_file_changed.connect(self.thread_load_project)
self.save_browser.sig_file_changed.connect(self.save_current_image)
self.save_all_browser.sig_file_changed.connect(self.save_and_make)
self.save_project_button.clicked.connect(self.thread_save_project)
self.save_as_project_button.clicked.connect(self.thread_save_as_project)
self.drag_browser.sig_files_changed.connect(self.thread_load_images)
self.manual_radio.clicked.connect(self.manual_mode_selected)
self.automatic_radio.clicked.connect(self.batch_mode_selected)
# Connect buttons from button_groups
self.hbutton_group.get_button_group().buttons()[0].clicked.connect(lambda: self.block_detect())
self.hbutton_group.get_button_group().buttons()[1].clicked.connect(self.ocr)
self.hbutton_group.get_button_group().buttons()[2].clicked.connect(self.translate_image)
self.hbutton_group.get_button_group().buttons()[3].clicked.connect(self.load_segmentation_points)
self.hbutton_group.get_button_group().buttons()[4].clicked.connect(self.inpaint_and_set)
self.hbutton_group.get_button_group().buttons()[5].clicked.connect(self.render_text)
self.undo_tool_group.get_button_group().buttons()[0].clicked.connect(self.undo_group.undo)
self.undo_tool_group.get_button_group().buttons()[1].clicked.connect(self.undo_group.redo)
# Connect other buttons and widgets
self.translate_button.clicked.connect(self.start_batch_process)
self.cancel_button.clicked.connect(self.cancel_current_task)
self.set_all_button.clicked.connect(self.set_src_trg_all)
self.clear_rectangles_button.clicked.connect(self.image_viewer.clear_rectangles)
self.clear_brush_strokes_button.clicked.connect(self.image_viewer.clear_brush_strokes)
self.draw_blklist_blks.clicked.connect(lambda: self.pipeline.load_box_coords(self.blk_list))
self.change_all_blocks_size_dec.clicked.connect(lambda: self.change_all_blocks_size(-int(self.change_all_blocks_size_diff.text())))
self.change_all_blocks_size_inc.clicked.connect(lambda: self.change_all_blocks_size(int(self.change_all_blocks_size_diff.text())))
self.delete_button.clicked.connect(self.delete_selected_box)
# Connect text edit widgets
self.s_text_edit.textChanged.connect(self.update_text_block)
self.t_text_edit.textChanged.connect(self.update_text_block_from_edit)
self.s_combo.currentTextChanged.connect(self.save_src_trg)
self.t_combo.currentTextChanged.connect(self.save_src_trg)
# Connect image viewer signals
self.image_viewer.rectangle_selected.connect(self.handle_rectangle_selection)
self.image_viewer.rectangle_created.connect(self.handle_rectangle_creation)
self.image_viewer.rectangle_deleted.connect(self.handle_rectangle_deletion)
self.image_viewer.command_emitted.connect(self.push_command)
self.image_viewer.connect_rect_item.connect(self.connect_rect_item_signals)
self.image_viewer.connect_text_item.connect(self.connect_text_item_signals)
# Rendering
self.font_dropdown.currentTextChanged.connect(self.on_font_dropdown_change)
self.font_size_dropdown.currentTextChanged.connect(self.on_font_size_change)
self.line_spacing_dropdown.currentTextChanged.connect(self.on_line_spacing_change)
self.block_font_color_button.clicked.connect(self.on_font_color_change)
self.alignment_tool_group.get_button_group().buttons()[0].clicked.connect(self.left_align)
self.alignment_tool_group.get_button_group().buttons()[1].clicked.connect(self.center_align)
self.alignment_tool_group.get_button_group().buttons()[2].clicked.connect(self.right_align)
self.bold_button.clicked.connect(self.bold)
self.italic_button.clicked.connect(self.italic)
self.underline_button.clicked.connect(self.underline)
self.outline_font_color_button.clicked.connect(self.on_outline_color_change)
self.outline_width_dropdown.currentTextChanged.connect(self.on_outline_width_change)
self.outline_checkbox.stateChanged.connect(self.toggle_outline_settings)
# Page List
self.page_list.currentItemChanged.connect(self.on_card_selected)
self.page_list.del_img.connect(self.handle_image_deletion)
self.page_list.insert_browser.sig_files_changed.connect(self.thread_insert)
def push_command(self, command):
if self.undo_group.activeStack():
self.undo_group.activeStack().push(command)
def connect_rect_item_signals(self, rect_item: MoveableRectItem):
rect_item.signals.rectangle_changed.connect(self.handle_rectangle_change)
rect_item.signals.change_undo.connect(self.rect_change_undo)
rect_item.signals.ocr_block.connect(lambda: self.ocr(True))
rect_item.signals.translate_block.connect(lambda: self.translate_image(True))
def connect_text_item_signals(self, text_item: TextBlockItem):
text_item.item_selected.connect(self.on_text_item_selected)
text_item.item_deselected.connect(self.on_text_item_deselcted)
text_item.text_changed.connect(self.update_text_block_from_item)
text_item.item_changed.connect(self.handle_rectangle_change)
text_item.text_highlighted.connect(self.set_values_from_highlight)
text_item.change_undo.connect(self.rect_change_undo)
def on_blk_rendered(self, text: str, font_size: int, blk: TextBlock):
if not self.image_viewer.hasPhoto():
print("No main image to add to.")
return
target_lang = self.lang_mapping.get(self.t_combo.currentText(), None)
trg_lng_cd = get_language_code(target_lang)
if any(lang in trg_lng_cd.lower() for lang in ['zh', 'ja', 'th']):
text = text.replace(' ', '')
render_settings = self.render_settings()
font_family = render_settings.font_family
text_color_str = render_settings.color
text_color = QColor(text_color_str)
id = render_settings.alignment_id
alignment = self.button_to_alignment[id]
line_spacing = float(render_settings.line_spacing)
outline_color_str = render_settings.outline_color
outline_color = QColor(outline_color_str) if self.outline_checkbox.isChecked() else None
outline_width = float(render_settings.outline_width)
bold = render_settings.bold
italic = render_settings.italic
underline = render_settings.underline
direction = render_settings.direction
text_item = TextBlockItem(text, self.image_viewer.photo, font_family,
font_size, text_color, alignment, line_spacing,
outline_color, outline_width, bold, italic, underline, direction)
text_item.setPos(blk.xyxy[0], blk.xyxy[1])
text_item.set_plain_text(text)
self.image_viewer._scene.addItem(text_item)
self.image_viewer.text_items.append(text_item)
self.connect_text_item_signals(text_item)
command = AddTextItemCommand(self, text_item)
self.undo_group.activeStack().push(command)
def on_text_item_deselcted(self):
self.clear_text_edits()
def update_text_block_from_item(self, new_text):
if self.curr_tblock:
self.curr_tblock.translation = new_text
self.t_text_edit.blockSignals(True)
self.t_text_edit.setPlainText(new_text)
self.t_text_edit.blockSignals(False)
def on_text_item_selected(self, text_item):
self.curr_tblock_item = text_item
x1, y1 = int(text_item.pos().x()), int(text_item.pos().y())
rotation = text_item.rotation()
self.curr_tblock = next(
(blk for blk in self.blk_list if (int(blk.xyxy[0]), int(blk.xyxy[1])) == (x1, y1)
and blk.angle == rotation),
None
)
# Update both s_text_edit and t_text_edit
self.s_text_edit.blockSignals(True)
self.s_text_edit.setPlainText(self.curr_tblock.text)
self.s_text_edit.blockSignals(False)
self.t_text_edit.blockSignals(True)
self.t_text_edit.setPlainText(text_item.toPlainText())
self.t_text_edit.blockSignals(False)
self.set_values_for_blk_item(text_item)
def update_text_block_from_edit(self):
new_text = self.t_text_edit.toPlainText()
if self.curr_tblock:
self.curr_tblock.translation = new_text
if self.curr_tblock_item and self.curr_tblock_item in self.image_viewer._scene.items():
cursor_position = self.t_text_edit.textCursor().position()
self.curr_tblock_item.setPlainText(new_text)
# Restore cursor position
cursor = self.t_text_edit.textCursor()
cursor.setPosition(cursor_position)
self.t_text_edit.setTextCursor(cursor)
def delete_selected_box(self):
if self.curr_tblock:
# Create and push the delete command
command = DeleteBoxesCommand(
self,
self.image_viewer.selected_rect,
self.curr_tblock_item,
self.curr_tblock,
self.blk_list,
)
self.undo_group.activeStack().push(command)
def save_src_trg(self):
source_lang = self.s_combo.currentText()
target_lang = self.t_combo.currentText()
if self.curr_img_idx >= 0:
current_file = self.image_files[self.curr_img_idx]
self.image_states[current_file]['source_lang'] = source_lang
self.image_states[current_file]['target_lang'] = target_lang
target_en = self.lang_mapping.get(target_lang, None)
t_direction = get_layout_direction(target_en)
t_text_option = self.t_text_edit.document().defaultTextOption()
t_text_option.setTextDirection(t_direction)
self.t_text_edit.document().setDefaultTextOption(t_text_option)
def set_src_trg_all(self):
source_lang = self.s_combo.currentText()
target_lang = self.t_combo.currentText()
for image_path in self.image_files:
self.image_states[image_path]['source_lang'] = source_lang
self.image_states[image_path]['target_lang'] = target_lang
def change_all_blocks_size(self, diff: int):
if len(self.blk_list) == 0:
return
updated_blk_list = []
for blk in self.blk_list:
blk_rect = tuple(blk.xyxy)
blk.xyxy[:] = [blk_rect[0] - diff, blk_rect[1] - diff, blk_rect[2] + diff, blk_rect[3] + diff]
updated_blk_list.append(blk)
self.blk_list = updated_blk_list
self.pipeline.load_box_coords(self.blk_list)
def batch_mode_selected(self):
self.disable_hbutton_group()
self.translate_button.setEnabled(True)
self.cancel_button.setEnabled(True)
def manual_mode_selected(self):
self.enable_hbutton_group()
self.translate_button.setEnabled(False)
self.cancel_button.setEnabled(False)
def on_image_processed(self, index: int, image: np.ndarray, image_path: str):
if index == self.curr_img_idx:
self.set_cv2_image(image)
else:
command = SetImageCommand(self, image_path, image, False)
self.undo_group.activeStack().push(command)
self.image_data[image_path] = image
def on_image_skipped(self, image_path: str, skip_reason: str, error: str):
message = {
"Text Blocks": QCoreApplication.translate('Messages', 'No Text Blocks Detected.\nSkipping:') + f" {image_path}\n{error}",
"OCR": QCoreApplication.translate('Messages', 'Could not OCR detected text.\nSkipping:') + f" {image_path}\n{error}",
"Translator": QCoreApplication.translate('Messages', 'Could not get translations.\nSkipping:') + f" {image_path}\n{error}"
}
text = message.get(skip_reason, f"Unknown skip reason: {skip_reason}. Error: {error}")
MMessage.info(
text=text,
parent=self,
duration=5,
closable=True
)
def on_manual_finished(self):
self.loading.setVisible(False)
self.enable_hbutton_group()
def run_threaded(self, callback: Callable, result_callback: Callable=None, error_callback: Callable=None, finished_callback: Callable=None, *args, **kwargs):
worker = GenericWorker(callback, *args, **kwargs)
if result_callback:
worker.signals.result.connect(lambda result: QtCore.QTimer.singleShot(0, lambda: result_callback(result)))
if error_callback:
worker.signals.error.connect(lambda error: QtCore.QTimer.singleShot(0, lambda: error_callback(error)))
if finished_callback:
worker.signals.finished.connect(finished_callback)
self.current_worker = worker
self.threadpool.start(worker)
def cancel_current_task(self):
if self.current_worker:
self.current_worker.cancel()
# No need to Enable necessary Widgets/Buttons because the threads
# already have finish callbacks that handle this.
def default_error_handler(self, error_tuple: Tuple):
exctype, value, traceback_str = error_tuple
error_msg = f"An error occurred:\n{exctype.__name__}: {value}"
error_msg_trcbk = f"An error occurred:\n{exctype.__name__}: {value}\n\nTraceback:\n{traceback_str}"
print(error_msg_trcbk)
QtWidgets.QMessageBox.critical(self, "Error", error_msg)
self.loading.setVisible(False)
self.enable_hbutton_group()
def start_batch_process(self):
for image_path in self.image_files:
source_lang = self.image_states[image_path]['source_lang']
target_lang = self.image_states[image_path]['target_lang']
if not validate_settings(self, source_lang, target_lang):
return
self.translate_button.setEnabled(False)
self.progress_bar.setVisible(True)
self.run_threaded(self.pipeline.batch_process, None, self.default_error_handler, self.on_batch_process_finished)
def on_batch_process_finished(self):
self.progress_bar.setVisible(False)
self.translate_button.setEnabled(True)
Messages.show_translation_complete(self)
def disable_hbutton_group(self):
for button in self.hbutton_group.get_button_group().buttons():
button.setEnabled(False)
def enable_hbutton_group(self):
for button in self.hbutton_group.get_button_group().buttons():
button.setEnabled(True)
def block_detect(self, load_rects: bool = True):
self.loading.setVisible(True)
self.disable_hbutton_group()
self.run_threaded(self.pipeline.detect_blocks, self.pipeline.on_blk_detect_complete,
self.default_error_handler, self.on_manual_finished, load_rects)
def clear_text_edits(self):
self.curr_tblock = None
self.curr_tblock_item = None
self.s_text_edit.clear()
self.t_text_edit.clear()
def finish_ocr_translate(self, single_block=False):
if self.blk_list:
if single_block:
rect = self.image_viewer.selected_rect
else:
rect = self.find_corresponding_rect(self.blk_list[0], 0.5)
self.image_viewer.select_rectangle(rect)
self.set_tool('box')
self.on_manual_finished()
def ocr(self, single_block=False):
source_lang = self.s_combo.currentText()
if not validate_ocr(self, source_lang):
return
self.loading.setVisible(True)
self.disable_hbutton_group()
self.run_threaded(
lambda: self.pipeline.OCR_image(single_block),
None,
self.default_error_handler,
lambda: self.finish_ocr_translate(single_block)
)
def translate_image(self, single_block=False):
source_lang = self.s_combo.currentText()
target_lang = self.t_combo.currentText()
if not is_there_text(self.blk_list) or not validate_translator(self, source_lang, target_lang):
return
self.loading.setVisible(True)
self.disable_hbutton_group()
self.run_threaded(
lambda: self.pipeline.translate_image(single_block),
None,
self.default_error_handler,
lambda: self.finish_ocr_translate(single_block)
)
def inpaint_and_set(self):
if self.image_viewer.hasPhoto() and self.image_viewer.has_drawn_elements():
self.clear_text_edits()
self.loading.setVisible(True)
self.disable_hbutton_group()
self.run_threaded(self.pipeline.inpaint, self.pipeline.inpaint_complete,
self.default_error_handler, self.on_manual_finished)
def load_initial_image(self, file_paths: List[str]):
file_paths = self.file_handler.prepare_files(file_paths)
self.image_files = file_paths
if file_paths:
return self.load_image(file_paths[0])
return None
def load_image(self, file_path: str):
if file_path in self.image_data:
return self.image_data[file_path]
# Check if the image has been displayed before
if file_path in self.image_history:
# Get the current index from the history
current_index = self.current_history_index[file_path]
# Get the temp file path at the current index
current_temp_path = self.image_history[file_path][current_index]
# Load the image from the temp file
cv2_image = cv2.imread(current_temp_path)
cv2_image = cv2.cvtColor(cv2_image, cv2.COLOR_BGR2RGB)
if cv2_image is not None:
return cv2_image
# If not in memory and not in history (or failed to load from temp),
# load from the original file path
try:
cv2_image = cv2.imread(file_path)
cv2_image = cv2.cvtColor(cv2_image, cv2.COLOR_BGR2RGB)
return cv2_image
except Exception as e:
print(f"Error loading image {file_path}: {str(e)}")
return None
def thread_load_images(self, file_paths: List[str]):
if file_paths and file_paths[0].lower().endswith('.ctpr'):
self.thread_load_project(file_paths[0])
return
self.clear_state()
self.run_threaded(self.load_initial_image, self.on_initial_image_loaded, self.default_error_handler, None, file_paths)
def thread_insert(self, file_paths: list[str]):
if self.image_files:
def on_files_prepared(prepared_files):
self.image_files.extend(prepared_files)
path = prepared_files[0]
new_index = self.image_files.index(path)
self.update_image_cards()
self.page_list.setCurrentRow(new_index)
self.run_threaded(
lambda: self.file_handler.prepare_files(file_paths, True),
on_files_prepared,
self.default_error_handler)
else:
self.thread_load_images(file_paths)
def clear_state(self):
# Clear existing image data
self.image_files = []
self.image_states.clear()
self.image_data.clear()
self.image_history.clear()
self.current_history_index.clear()
self.blk_list = []
self.displayed_images.clear()
self.image_viewer.clear_rectangles(page_switch=True)
self.image_viewer.clear_brush_strokes(page_switch=True)
self.s_text_edit.clear()
self.t_text_edit.clear()
self.image_viewer.clear_text_items()
self.loaded_images = []
self.in_memory_history.clear()
self.undo_stacks.clear()
self.project_file = None
# Reset current_image_index
self.curr_img_idx = -1
def on_initial_image_loaded(self, cv2_image):
if cv2_image is not None:
self.image_data[self.image_files[0]] = cv2_image
self.image_history[self.image_files[0]] = [self.image_files[0]]
self.in_memory_history[self.image_files[0]] = [cv2_image.copy()]
self.current_history_index[self.image_files[0]] = 0
self.save_image_state(self.image_files[0])
for file in self.image_files:
self.save_image_state(file)
stack = QUndoStack(self)
self.undo_stacks[file] = stack
self.undo_group.addStack(stack)
if self.image_files:
self.page_list.blockSignals(True)
self.update_image_cards()
self.page_list.blockSignals(False)
self.page_list.setCurrentRow(0)
#self.display_image(0)
self.loaded_images.append(self.image_files[0])
else:
self.image_viewer.clear_scene()
self.image_viewer.resetTransform()
self.image_viewer.fitInView()
def update_image_cards(self):
# Clear existing items
self.page_list.clear()
# Add new items
for index, file_path in enumerate(self.image_files):
file_name = os.path.basename(file_path)
list_item = QtWidgets.QListWidgetItem(file_name)
card = ClickMeta(extra=False, avatar_size=(35, 50))
card.setup_data({
"title": file_name,
#"avatar": MPixmap(file_path)
})
self.page_list.addItem(list_item)
self.page_list.setItemWidget(list_item, card)
def on_card_selected(self, current, previous):
if current:
index = self.page_list.row(current)
self.curr_tblock_item = None
self.run_threaded(
lambda: self.load_image(self.image_files[index]),
lambda result: self.display_image_from_loaded(result, index),
self.default_error_handler,
None
)
def navigate_images(self, direction: int):
if self.image_files:
new_index = self.curr_img_idx + direction
if 0 <= new_index < len(self.image_files):
item = self.page_list.item(new_index)
self.page_list.setCurrentItem(item)
def handle_image_deletion(self, file_names: list[str]):
"""Handles the deletion of images based on the provided file names."""
self.save_current_image_state()
# Delete the files first.
for file_name in file_names:
# Find the full file path based on the file name
file_path = next((f for f in self.image_files if os.path.basename(f) == file_name), None)
if file_path:
# Remove from the image_files list
self.image_files.remove(file_path)
# Remove associated data
self.image_data.pop(file_path, None)
self.image_history.pop(file_path, None)
self.in_memory_history.pop(file_path, None)
self.current_history_index.pop(file_path, None)
if file_path in self.undo_stacks:
stack = self.undo_stacks[file_path]
self.undo_group.removeStack(stack)
self.undo_stacks.pop(file_path, None)
if file_path in self.displayed_images:
self.displayed_images.remove(file_path)
if file_path in self.loaded_images:
self.loaded_images.remove(file_path)
if self.image_files:
if self.curr_img_idx >= len(self.image_files):
self.curr_img_idx = len(self.image_files) - 1
new_index = max(0, self.curr_img_idx - 1)
file = self.image_files[new_index]
im = self.load_image(file)
self.display_image_from_loaded(im, new_index, False)
self.update_image_cards()
self.page_list.blockSignals(True)
self.page_list.setCurrentRow(new_index)
self.page_list.blockSignals(False)
else:
# If no images remain, reset the view to the drag browser.
self.curr_img_idx = -1
self.central_stack.setCurrentWidget(self.drag_browser)
self.update_image_cards()
def display_image_from_loaded(self, cv2_image, index, switch_page=True):
file_path = self.image_files[index]
self.image_data[file_path] = cv2_image
# Initialize history for new images
if file_path not in self.image_history:
self.image_history[file_path] = [file_path]
self.in_memory_history[file_path] = [cv2_image.copy()]
self.current_history_index[file_path] = 0
self.display_image(index, switch_page)
# Manage loaded images
if file_path not in self.loaded_images:
self.loaded_images.append(file_path)
if len(self.loaded_images) > self.max_images_in_memory:
oldest_image = self.loaded_images.pop(0)
del self.image_data[oldest_image]
self.in_memory_history[oldest_image] = []
def set_cv2_image(self, cv2_img: np.ndarray):
if self.curr_img_idx >= 0:
file_path = self.image_files[self.curr_img_idx]
# Push the command to the appropriate stack
command = SetImageCommand(self, file_path, cv2_img)
self.undo_group.activeStack().push(command)
def save_image_state(self, file: str):
self.image_states[file] = {
'viewer_state': self.image_viewer.save_state(),
'source_lang': self.s_combo.currentText(),
'target_lang': self.t_combo.currentText(),
'brush_strokes': self.image_viewer.save_brush_strokes(),
'blk_list': self.blk_list.copy() # Store a copy of the list, not a reference
}
def save_current_image_state(self):
if self.curr_img_idx >= 0:
current_file = self.image_files[self.curr_img_idx]
self.save_image_state(current_file)
def load_image_state(self, file_path: str):
cv2_image = self.image_data[file_path]
self.set_cv2_image(cv2_image)
if file_path in self.image_states:
state = self.image_states[file_path]
self.blk_list = state['blk_list']
self.image_viewer.load_state(state['viewer_state'])
self.s_combo.setCurrentText(state['source_lang'])
self.t_combo.setCurrentText(state['target_lang'])
self.image_viewer.load_brush_strokes(state['brush_strokes'])
for text_item in self.image_viewer.text_items:
self.connect_text_item_signals(text_item)
for rect_item in self.image_viewer.rectangles:
self.connect_rect_item_signals(rect_item)
self.clear_text_edits()
def display_image(self, index: int, switch_page=True):
if 0 <= index < len(self.image_files):
if switch_page:
self.save_current_image_state()
self.curr_img_idx = index
file_path = self.image_files[index]
# Set the active stack for the current image
file_path = self.image_files[index]
if file_path in self.undo_stacks:
self.undo_group.setActiveStack(self.undo_stacks[file_path])
# Check if this image has been displayed before
first_time_display = file_path not in self.displayed_images
self.load_image_state(file_path)
self.central_stack.setCurrentWidget(self.image_viewer)
self.central_stack.layout().activate()
# Fit in view only if it's the first time displaying this image
if first_time_display:
self.image_viewer.fitInView()
self.displayed_images.add(file_path) # Mark this image as displayed
def blk_detect_segment(self, result):
blk_list, load_rects = result
self.blk_list = blk_list
self.undo_group.activeStack().beginMacro('draw_segmentation_boxes')
for blk in self.blk_list:
bboxes = blk.inpaint_bboxes
if bboxes is not None and len(bboxes) > 0:
self.image_viewer.draw_segmentation_lines(bboxes)
self.undo_group.activeStack().endMacro()
def load_segmentation_points(self):
if self.image_viewer.hasPhoto():
self.clear_text_edits()
self.set_tool('brush')
self.disable_hbutton_group()
self.image_viewer.clear_rectangles()
self.image_viewer.clear_text_items()
if self.blk_list:
self.undo_group.activeStack().beginMacro('draw_segmentation_boxes')
for blk in self.blk_list:
bboxes = blk.inpaint_bboxes
if bboxes is not None and len(bboxes) > 0:
self.image_viewer.draw_segmentation_lines(bboxes)
self.enable_hbutton_group()
self.undo_group.activeStack().endMacro()
else:
self.loading.setVisible(True)
self.disable_hbutton_group()
self.run_threaded(self.pipeline.detect_blocks, self.blk_detect_segment,
self.default_error_handler, self.on_manual_finished)
def find_corresponding_text_block(self, rect: Tuple[float], iou_threshold: int = 0.5):
for blk in self.blk_list:
if do_rectangles_overlap(rect, blk.xyxy, iou_threshold):
return blk
return None
def find_corresponding_rect(self, tblock: TextBlock, iou_threshold: int):
for rect in self.image_viewer.rectangles:
mp_rect = rect.mapRectToScene(rect.rect())
x1, y1, w, h = mp_rect.getRect()
rect_coord = (x1, y1, x1 + w, y1 + h)
if do_rectangles_overlap(rect_coord, tblock.xyxy, iou_threshold):
return rect
return None
def handle_rectangle_selection(self, rect: QRectF):
rect = rect.getCoords()
self.curr_tblock = self.find_corresponding_text_block(rect, 0.5)
if self.curr_tblock:
self.s_text_edit.blockSignals(True)
self.t_text_edit.blockSignals(True)
self.s_text_edit.setPlainText(self.curr_tblock.text)
self.t_text_edit.setPlainText(self.curr_tblock.translation)
self.s_text_edit.blockSignals(False)
self.t_text_edit.blockSignals(False)
else:
self.s_text_edit.clear()
self.t_text_edit.clear()
self.curr_tblock = None
def handle_rectangle_creation(self, rect_item: MoveableRectItem):
self.connect_rect_item_signals(rect_item)
new_rect = rect_item.mapRectToScene(rect_item.rect())
x1, y1, w, h = new_rect.getRect()
x1, y1, w, h = int(x1), int(y1), int(w), int(h)
new_rect_coords = (x1, y1, x1 + w, y1 + h)
image = self.image_viewer.get_cv2_image()
inpaint_boxes = get_inpaint_bboxes(new_rect_coords, image)
new_blk = TextBlock(text_bbox=np.array(new_rect_coords), inpaint_bboxes=inpaint_boxes)
self.blk_list.append(new_blk)
command = AddRectangleCommand(self, rect_item, new_blk, self.blk_list)
self.undo_group.activeStack().push(command)
def handle_rectangle_deletion(self, rect: QRectF):
rect_coords = rect.getCoords()
current_text_block = self.find_corresponding_text_block(rect_coords, 0.5)
self.blk_list.remove(current_text_block)
def update_text_block(self):
if self.curr_tblock:
self.curr_tblock.text = self.s_text_edit.toPlainText()
self.curr_tblock.translation = self.t_text_edit.toPlainText()
def update_progress(self, index: int, total_images: int, step: int, total_steps: int, change_name: bool):
# Assign weights to image processing and archiving (adjust as needed)
image_processing_weight = 0.9
archiving_weight = 0.1
archive_info_list = self.file_handler.archive_info
total_archives = len(archive_info_list)
if change_name:
if index < total_images:
im_path = self.image_files[index]
im_name = os.path.basename(im_path)
self.progress_bar.setFormat(QCoreApplication.translate('Messages', 'Processing:') + f" {im_name} . . . %p%")
else:
archive_index = index - total_images
self.progress_bar.setFormat(QCoreApplication.translate('Messages', 'Archiving:') + f" {archive_index + 1}/{total_archives} . . . %p%")
if index < total_images:
# Image processing progress
task_progress = (index / total_images) * image_processing_weight
step_progress = (step / total_steps) * (1 / total_images) * image_processing_weight
else:
# Archiving progress
archive_index = index - total_images
task_progress = image_processing_weight + (archive_index / total_archives) * archiving_weight
step_progress = (step / total_steps) * (1 / total_archives) * archiving_weight
progress = (task_progress + step_progress) * 100
self.progress_bar.setValue(int(progress))
def on_render_complete(self, rendered_image: np.ndarray):
# self.set_cv2_image(rendered_image)
self.loading.setVisible(False)
self.enable_hbutton_group()
self.undo_group.activeStack().endMacro()
def render_text(self):
if self.image_viewer.hasPhoto() and self.blk_list:
self.set_tool(None)
if not font_selected(self):
return
self.clear_text_edits()
self.loading.setVisible(True)
self.disable_hbutton_group()
# Add items to the scene if they're not already present
for item in self.image_viewer.text_items:
if item not in self.image_viewer._scene.items():
self.image_viewer._scene.addItem(item)
# Create a dictionary to map text items to their positions and rotations
existing_text_items = {item: (int(item.pos().x()), int(item.pos().y()), item.rotation()) for item in self.image_viewer.text_items}
# Identify new blocks based on position and rotation
new_blocks = [
blk for blk in self.blk_list
if (int(blk.xyxy[0]), int(blk.xyxy[1]), blk.angle) not in existing_text_items.values()
]
self.image_viewer.clear_rectangles()
self.curr_tblock = None
self.curr_tblock_item = None
render_settings = self.render_settings()
upper = render_settings.upper_case
line_spacing = float(self.line_spacing_dropdown.currentText())
font_family = self.font_dropdown.currentText()
outline_width = float(self.outline_width_dropdown.currentText())
bold = self.bold_button.isChecked()
italic = self.italic_button.isChecked()
underline = self.underline_button.isChecked()
target_lang = self.t_combo.currentText()
target_lang_en = self.lang_mapping.get(target_lang, None)
trg_lng_cd = get_language_code(target_lang_en)
format_translations(self.blk_list, trg_lng_cd, upper_case=upper)
min_font_size = self.settings_page.get_min_font_size()
max_font_size = self.settings_page.get_max_font_size()
align_id = self.alignment_tool_group.get_dayu_checked()
alignment = self.button_to_alignment[align_id]
direction = render_settings.direction
self.undo_group.activeStack().beginMacro('text_items_rendered')
self.run_threaded(manual_wrap, self.on_render_complete, self.default_error_handler,
None, self, new_blocks, font_family, line_spacing, outline_width,
bold, italic, underline, alignment, direction, max_font_size,
min_font_size)
def handle_rectangle_change(self, new_rect: QRectF, angle: float, tr_origin: Tuple):
# Find the corresponding TextBlock in blk_list
for blk in self.blk_list:
if do_rectangles_overlap(blk.xyxy, (new_rect.left(), new_rect.top(), new_rect.right(), new_rect.bottom()), 0.2):
# Update the TextBlock coordinates
blk.xyxy[:] = [int(new_rect.left()), int(new_rect.top()), int(new_rect.right()), int(new_rect.bottom())]
blk.angle = angle if angle else 0
blk.tr_origin_point = (tr_origin.x(), tr_origin.y()) if tr_origin else ()
image = self.image_viewer.get_cv2_image()
inpaint_bboxes = get_inpaint_bboxes(blk.xyxy, image)
blk.inpaint_bboxes = inpaint_bboxes
break
def rect_change_undo(self, old_state, new_state):
command = BoxesChangeCommand(self.image_viewer, old_state,
new_state, self.blk_list)
self.undo_group.activeStack().push(command)
def on_font_dropdown_change(self, font_family):
if self.curr_tblock_item:
old_item = copy.copy(self.curr_tblock_item)
font_size = int(self.font_size_dropdown.currentText())
self.curr_tblock_item.set_font(font_family, font_size)
command = TextFormatCommand(self.image_viewer, old_item, self.curr_tblock_item)
self.undo_group.activeStack().push(command)
def on_font_size_change(self, font_size):
if self.curr_tblock_item:
old_item = copy.copy(self.curr_tblock_item)
font_size = float(font_size)
self.curr_tblock_item.set_font_size(font_size)
command = TextFormatCommand(self.image_viewer, old_item, self.curr_tblock_item)
self.undo_group.activeStack().push(command)
def on_line_spacing_change(self, line_spacing):
if self.curr_tblock_item:
old_item = copy.copy(self.curr_tblock_item)
spacing = float(line_spacing)
self.curr_tblock_item.set_line_spacing(spacing)
command = TextFormatCommand(self.image_viewer, old_item, self.curr_tblock_item)
self.undo_group.activeStack().push(command)
def on_font_color_change(self):
font_color = self.get_color()
if font_color and font_color.isValid():
self.block_font_color_button.setStyleSheet(
f"background-color: {font_color.name()}; border: none; border-radius: 5px;"
)
self.block_font_color_button.setProperty('selected_color', font_color.name())
if self.curr_tblock_item:
old_item = copy.copy(self.curr_tblock_item)
self.curr_tblock_item.set_color(font_color)
command = TextFormatCommand(self.image_viewer, old_item, self.curr_tblock_item)
self.undo_group.activeStack().push(command)