studia/jezyki-skryptowe/image-editor/editor/dialogs/SaturationDialog.py

40 lines
1.3 KiB
Python

import numpy as np
from PyQt6.QtWidgets import QVBoxLayout, QLabel, QSlider
from PyQt6.QtCore import Qt
from .ImageParameterDialog import ImageParameterDialog
import ImageProcessingWorker
class SaturationDialog(ImageParameterDialog):
def __init__(self, image):
super().__init__(image, ImageProcessingWorker.HSVImageProcessingWorker)
self.setWindowTitle("Saturation Adjustment")
self.layout = QVBoxLayout()
self.saturation_slider = QSlider(Qt.Orientation.Horizontal)
self.saturation_slider.setRange(-100, 100)
self.label = QLabel("Saturation: 0")
self.saturation_slider.valueChanged.connect(lambda value: self.update(self.label, value))
self.layout.addWidget(self.label)
self.layout.addWidget(self.saturation_slider)
self.layout.addWidget(self.button_box)
self.setLayout(self.layout)
def update(self, label, value):
label.setText(f"Saturation: {value}")
self.send_to_process({
'saturation': self.saturation_slider.value() / 100.0
})
def process_image(self, image, values):
saturation = values.get('saturation', 0.0)
image[..., 1] = np.clip(image[..., 1] * (1 + saturation), 0, 255)
return image
@classmethod
def dialog_name(cls):
return "Saturation"