from qtpy.QtCore import Signal, Qt, QPointF, QSize, QLineF, QDateTime, QRectF, QPoint from qtpy.QtGui import QPen, QColor, QCursor, QPainter, QPixmap, QBrush, QFontMetrics, QImage try: from qtpy.QtWidgets import QUndoCommand except: from qtpy.QtGui import QUndoCommand from typing import Union, Tuple, List import numpy as np from utils.logger import logger from .image_edit import ImageEditMode, PixmapItem, DrawingLayer, StrokeImgItem from .canvas import Canvas, TextBlkItem from .textedit_area import TransPairWidget class StrokeItemUndoCommand(QUndoCommand): def __init__(self, target_layer: DrawingLayer, rect: Tuple[int], qimg: QImage, erasing=False): super().__init__() self.qimg = qimg self.x = rect[0] self.y = rect[1] self.target_layer = target_layer self.key = str(QDateTime.currentMSecsSinceEpoch()) if erasing: self.compose_mode = QPainter.CompositionMode.CompositionMode_DestinationOut else: self.compose_mode = QPainter.CompositionMode.CompositionMode_SourceOver def undo(self): if self.qimg is not None: self.target_layer.removeQImage(self.key) self.target_layer.update() def redo(self): if self.qimg is not None: self.target_layer.addQImage(self.x, self.y, self.qimg, self.compose_mode, self.key) self.target_layer.scene().update() class InpaintUndoCommand(QUndoCommand): def __init__(self, canvas: Canvas, inpainted: np.ndarray, mask: np.ndarray, inpaint_rect: List[int], merge_existing_mask=False): super().__init__() self.canvas = canvas img_array = self.canvas.imgtrans_proj.inpainted_array mask_array = self.canvas.imgtrans_proj.mask_array img_view = img_array[inpaint_rect[1]: inpaint_rect[3], inpaint_rect[0]: inpaint_rect[2]] mask_view = mask_array[inpaint_rect[1]: inpaint_rect[3], inpaint_rect[0]: inpaint_rect[2]] self.undo_img = np.copy(img_view) self.undo_mask = np.copy(mask_view) self.redo_img = inpainted if merge_existing_mask: self.redo_mask = np.bitwise_or(mask, mask_view) else: self.redo_mask = mask self.inpaint_rect = inpaint_rect def redo(self) -> None: inpaint_rect = self.inpaint_rect img_array = self.canvas.imgtrans_proj.inpainted_array mask_array = self.canvas.imgtrans_proj.mask_array img_view = img_array[inpaint_rect[1]: inpaint_rect[3], inpaint_rect[0]: inpaint_rect[2]] mask_view = mask_array[inpaint_rect[1]: inpaint_rect[3], inpaint_rect[0]: inpaint_rect[2]] img_view[:] = self.redo_img mask_view[:] = self.redo_mask self.canvas.updateLayers() def undo(self) -> None: inpaint_rect = self.inpaint_rect img_array = self.canvas.imgtrans_proj.inpainted_array mask_array = self.canvas.imgtrans_proj.mask_array img_view = img_array[inpaint_rect[1]: inpaint_rect[3], inpaint_rect[0]: inpaint_rect[2]] mask_view = mask_array[inpaint_rect[1]: inpaint_rect[3], inpaint_rect[0]: inpaint_rect[2]] img_view[:] = self.undo_img mask_view[:] = self.undo_mask self.canvas.updateLayers() class EmptyCommand(QUndoCommand): def __init__(self, parent=None): super().__init__(parent=parent) class RunBlkTransCommand(QUndoCommand): def __init__(self, canvas: Canvas, blkitems: List[TextBlkItem], transpairw_list: List[TransPairWidget], mode: int): super().__init__() self.empty_command = None if mode > 1: self.empty_command = EmptyCommand() canvas.push_draw_command(self.empty_command) self.op_counter = -1 self.blkitems = blkitems self.transpairw_list = transpairw_list if mode < 3: for blkitem, transpairw in zip(self.blkitems, self.transpairw_list): if mode != 0: trs = blkitem.blk.translation transpairw.e_trans.setPlainTextAndKeepUndoStack(trs) blkitem.setPlainTextAndKeepUndoStack(trs) blkitem.blk.rich_text = '' if mode >= 0: transpairw.e_source.setPlainTextAndKeepUndoStack(blkitem.blk.get_text()) self.canvas = canvas self.mode = mode if mode > 1: self.undo_img_list = [] self.undo_mask_list = [] self.redo_img_list = [] self.redo_mask_list = [] self.inpaint_rect_lst = [] img_array = self.canvas.imgtrans_proj.inpainted_array mask_array = self.canvas.imgtrans_proj.mask_array self.num_inpainted = 0 for item in self.blkitems: inpainted_dict = item.blk.region_inpaint_dict item.blk.region_inpaint_dict = None if inpainted_dict is None: self.undo_img_list.append(None) self.undo_mask_list.append(None) self.redo_mask_list.append(None) self.redo_img_list.append(None) self.inpaint_rect_lst.append(None) else: inpaint_rect = inpainted_dict['inpaint_rect'] img_view = img_array[inpaint_rect[1]: inpaint_rect[3], inpaint_rect[0]: inpaint_rect[2]] mask_view = mask_array[inpaint_rect[1]: inpaint_rect[3], inpaint_rect[0]: inpaint_rect[2]] self.undo_img_list.append(np.copy(img_view)) self.undo_mask_list.append(np.copy(mask_view)) self.redo_img_list.append(inpainted_dict['inpainted']) self.redo_mask_list.append(inpainted_dict['mask']) self.inpaint_rect_lst.append(inpaint_rect) self.num_inpainted += 1 def redo(self) -> None: if self.empty_command is not None: self.empty_command.redo() if self.mode > 1 and self.num_inpainted > 0: img_array = self.canvas.imgtrans_proj.inpainted_array mask_array = self.canvas.imgtrans_proj.mask_array for inpaint_rect, redo_img, redo_mask in zip(self.inpaint_rect_lst, self.redo_img_list, self.redo_mask_list): if inpaint_rect is None: continue img_view = img_array[inpaint_rect[1]: inpaint_rect[3], inpaint_rect[0]: inpaint_rect[2]] mask_view = mask_array[inpaint_rect[1]: inpaint_rect[3], inpaint_rect[0]: inpaint_rect[2]] img_view[:] = redo_img mask_view[:] = redo_mask self.canvas.updateLayers() if self.op_counter < 0: self.op_counter += 1 return if self.mode < 3: for blkitem, transpairw in zip(self.blkitems, self.transpairw_list): if self.mode != 0: transpairw.e_trans.redo() blkitem.redo() if self.mode >= 0: transpairw.e_source.redo() def undo(self) -> None: if self.empty_command is not None: self.empty_command.undo() if self.mode > 1 and self.num_inpainted > 0: img_array = self.canvas.imgtrans_proj.inpainted_array mask_array = self.canvas.imgtrans_proj.mask_array for inpaint_rect, undo_img, undo_mask in zip(self.inpaint_rect_lst, self.undo_img_list, self.undo_mask_list): if inpaint_rect is None: continue img_view = img_array[inpaint_rect[1]: inpaint_rect[3], inpaint_rect[0]: inpaint_rect[2]] mask_view = mask_array[inpaint_rect[1]: inpaint_rect[3], inpaint_rect[0]: inpaint_rect[2]] img_view[:] = undo_img mask_view[:] = undo_mask self.canvas.updateLayers() if self.mode < 3: for blkitem, transpairw in zip(self.blkitems, self.transpairw_list): if self.mode != 0: transpairw.e_trans.undo() blkitem.undo() if self.mode >= 0: transpairw.e_source.undo()