131 lines
4.4 KiB
Python
131 lines
4.4 KiB
Python
import numpy as np
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import cv2
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from PyQt6.QtWidgets import QLabel, QVBoxLayout, QHBoxLayout, QLineEdit, QCheckBox, QComboBox
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from PyQt6.QtGui import QIntValidator
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import ImageProcessingWorker
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from .ImageParameterDialog import ImageParameterDialog
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INTERPOLATION_MAP = {
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"Nearest": cv2.INTER_NEAREST,
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"Linear": cv2.INTER_LINEAR,
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"Area": cv2.INTER_AREA,
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"Cubic": cv2.INTER_CUBIC,
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"Lanczos4": cv2.INTER_LANCZOS4
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}
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class ResizeDialog(ImageParameterDialog):
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def __init__(self, image):
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super().__init__(image, ImageProcessingWorker.ImageProcessingWorker)
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self.original_height, self.original_width, _ = image.shape
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self.setWindowTitle("Resizing")
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self.layout = QVBoxLayout()
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self.width_label = QLabel("Width:")
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self.width_field = QLineEdit()
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self.width_field.setPlaceholderText("Enter width")
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self.width_field.setText(str(self.original_width))
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self.width_field.setValidator(QIntValidator(1, 10000))
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self.width_field.textEdited.connect(self.width_changed)
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self.height_label = QLabel("Height:")
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self.height_field = QLineEdit()
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self.height_field.setPlaceholderText("Enter height")
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self.height_field.setText(str(self.original_height))
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self.height_field.setValidator(QIntValidator(1, 10000))
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self.height_field.textEdited.connect(self.height_changed)
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self.auto_scale_checkbox = QCheckBox("Auto-scale")
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self.auto_scale_checkbox.setChecked(True)
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self.auto_scale_checkbox.stateChanged.connect(self.toggle_auto_scale)
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self.interpolation_label = QLabel("Interpolation Method:")
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self.interpolation_dropdown = QComboBox()
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self.interpolation_dropdown.addItems(list(INTERPOLATION_MAP.keys()))
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self.interpolation_dropdown.currentIndexChanged.connect(self.update)
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input_layout = QHBoxLayout()
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input_layout.addWidget(self.width_label)
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input_layout.addWidget(self.width_field)
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input_layout.addWidget(self.height_label)
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input_layout.addWidget(self.height_field)
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self.layout.addLayout(input_layout)
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self.layout.addWidget(self.auto_scale_checkbox)
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self.layout.addWidget(self.interpolation_label)
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self.layout.addWidget(self.interpolation_dropdown)
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self.layout.addWidget(self.button_box)
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self.setLayout(self.layout)
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self.toggle_auto_scale()
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def toggle_auto_scale(self):
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if self.auto_scale_checkbox.isChecked():
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self.adjust_height()
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self.update()
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def adjust_height(self):
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if self.auto_scale_checkbox.isChecked():
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try:
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width = int(self.width_field.text())
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height = int((width / self.original_width) * self.original_height)
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self.height_field.setText(str(height))
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except ValueError:
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self.height_field.clear()
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def adjust_width(self):
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if self.auto_scale_checkbox.isChecked():
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try:
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height = int(self.height_field.text())
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width = int((height / self.original_height) * self.original_width)
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self.width_field.setText(str(width))
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except ValueError:
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self.width_field.clear()
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def height_changed(self):
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self.adjust_width()
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self.update()
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def width_changed(self):
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self.adjust_height()
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self.update()
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def update(self):
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width = self.width_field.text()
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height = self.height_field.text()
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if (not width or not height):
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self.set_accept_enable(False)
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return
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self.send_to_process({
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'width': int(width),
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'height': int(height),
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'auto_scale': self.auto_scale_checkbox.isChecked(),
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'interpolation': self.interpolation_dropdown.currentText()
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})
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def process_image(self, image, values):
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if values['width'] == 0 or values['height'] == 0:
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return image
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interpolation = INTERPOLATION_MAP[values['interpolation']]
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try:
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resized_image = cv2.resize(image, (values['width'], values['height']), interpolation=interpolation)
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except:
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self.set_accept_enable(False)
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return image
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self.set_accept_enable(True)
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return resized_image
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@classmethod
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def dialog_name(cls):
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return "Resize" |