class ProgramWidget(QWidget):
def __init__(self, parent):
super().__init__(parent)
self.image_widget = ImageWidget(parent)
self.hist_widget = HistogramWidget(parent)
self.coord_label = QLabel("", self)
self.pixel_rgb_label = QLabel('', self)
self.pixel_hsv_label = QLabel('', self)
self.pixel_lab_label = QLabel('', self)
self.hsv_checkbox = QCheckBox("Shift HSV")
self.hsv_checkbox.toggled.connect(self.slider_update)
h_slider_box, self.h_slider = self._get_slider_box(
"H:", -180, 180, 60, self.slider_update
)
s_slider_box, self.s_slider = self._get_slider_box(
"S:", -100, 100, 10, self.slider_update
)
v_slider_box, self.v_slider = self._get_slider_box(
"V:", -100, 100, 10, self.slider_update
)
self._set_default()
self.image_widget.selection_update.connect(self.selection_upd)
hbox = QHBoxLayout()
hbox.addWidget(self.image_widget, 20)
vbox = QVBoxLayout()
vbox.addWidget(self.hist_widget)
vbox.addWidget(self.coord_label)
vbox.addWidget(self.pixel_rgb_label)
vbox.addWidget(self.pixel_hsv_label)
vbox.addWidget(self.pixel_lab_label)
vbox.addWidget(self.hsv_checkbox)
vbox.addLayout(h_slider_box)
vbox.addLayout(s_slider_box)
vbox.addLayout(v_slider_box)
self._filter_buttons(vbox)
hbox.addLayout(vbox, 1)
self.setLayout(hbox)
def _filter_buttons(self, vbox):
self.filter_rbtn = QButtonGroup()
hbox = QHBoxLayout()
radio1 = QRadioButton("Отключить", self)
self.filter_rbtn.addButton(radio1, 0)
hbox.addWidget(radio1)
radio1.setChecked(True)
radio2 = QRadioButton("Гаусса", self)
self.filter_rbtn.addButton(radio2, 1)
hbox.addWidget(radio2)
radio3 = QRadioButton("Собеля", self)
self.filter_rbtn.addButton(radio3, 2)
hbox.addWidget(radio3)
radio4 = QRadioButton("Габора", self)
self.filter_rbtn.addButton(radio4, 3)
hbox.addWidget(radio4)
vbox.addLayout(hbox)
slider_box, self.sigma_slider = self._get_slider_box("σ", 0, 10, 0.5, self._filter_change)
vbox.addLayout(slider_box)
self.filter_rbtn.buttonClicked.connect(self._filter_change)
def _filter_change(self):
filter_id = self.filter_rbtn.checkedId()
self._update_sigma_slider(filter_id)
param1 = self.sigma_slider.value() / 10
self.image_widget.set_filter(filter_id, param1)
def _update_sigma_slider(self, filter_id):
if filter_id == 1:
self.sigma_slider.setEnabled(True)
self.sigma_slider.setText("σ")
self.sigma_slider.setMinimum(0)
self.sigma_slider.setMaximum(100)
self.sigma_slider.setTickInterval(1)
elif filter_id == 3:
self.sigma_slider.setEnabled(True)
self.sigma_slider.setText("θ")
# self.sigma_slider.setValue(1)
self.sigma_slider.setMinimum(0)
self.sigma_slider.setMaximum(3600)
self.sigma_slider.setTickInterval(50)
else:
self.sigma_slider.setText("-")
self.sigma_slider.setDisabled(True)
def _get_slider_box(self, label_name, _min, _max, _interval, callback, layout=Qt.Horizontal) -> Tuple[QBoxLayout, QSlider]:
slider = QSlider(layout, self)
slider.setMinimum(_min)
slider.setMaximum(_max)
slider.setTickPosition(QSlider.TicksBelow)
slider.setTickInterval(_interval)
slider.sliderReleased.connect(callback)
box = QHBoxLayout()
label = QLabel(label_name, self)
box.addWidget(label)
box.addWidget(slider)
slider._label = label
def setText(text):
slider._label.setText(text)
slider.setText = setText
return box, slider
def _set_default(self):
self.coord_label.setText("Select pixel")
self.pixel_rgb_label.setText("Select pixel")
self.pixel_hsv_label.setText("Select pixel")
self.pixel_lab_label.setText("Select pixel")
self.h_slider.setValue(0)
def slider_update(self):
if self.hsv_checkbox.isChecked():
self.image_widget.shift_hsv = self.h_slider.value(), self.s_slider.value(), self.v_slider.value()
else:
self.image_widget.shift_hsv = [0, 0, 0]
def selection_upd(self):
img = self.image_widget.selected(self.hist_widget.speed)
print(img.width(), img.height())
coord = self.image_widget.selection_img
self.coord_label.setText("{}, {} x {}, {}".format(
coord.left(), coord.top(),
coord.right(), coord.bottom()
))
if 1 == img.width() == img.height():
pixel = QColor(img.pixel(0, 0))
self.pixel_rgb_label.setText(
"R:{}, G:{}, B:{}".format(pixel.red(), pixel.green(), pixel.blue())
)
self.pixel_hsv_label.setText(
"H:{}, S:{}, V:{}".format(pixel.hue(), pixel.saturation(), pixel.value())
)
self.pixel_lab_label.setText(
"L:{:.1f}, A:{:.1f}, B:{:.1f}".format(*pixel.lab())
)
else:
self.pixel_rgb_label.setText("Select one pixel")
self.pixel_hsv_label.setText("Select one pixel")
self.pixel_lab_label.setText("Select one pixel")
self.hist_widget.calc_image(img)
def set_image(self, image: QImage):
self.image_widget.set_image(image)