def preview_image_handler(self):
selected = self.img_list.currentRow()
if selected <> (-1):
w, h = self.preview_label.width(), self.preview_label.height()
self.preview_label.setPixmap(
convert_to_qt_pixmap(self.images[selected]).scaled(w, h, QtCore.Qt.KeepAspectRatio)
)
def to_grayscale(self):
selected_indices = self.get_selected_img_indices()
for idx in selected_indices:
img = imgtools.ndarray_to_grayscale(self.images[idx])
self.images[idx] = img
list_item = self.img_list.item(idx)
list_item.setIcon(QtGui.QIcon(
convert_to_qt_pixmap(img).scaled(StitchingWidget.ICON_SIZE, StitchingWidget.ICON_SIZE,
QtCore.Qt.KeepAspectRatio))
)
self.preview_label.clear()
def add_image(self):
filename = QtGui.QFileDialog.getOpenFileName(
parent=self,
directory=u'D:\\test\\',
caption=self.trUtf8(u'Open image'),
filter=(self.trUtf8(u'Images') + ' (*.png *.xpm *.jpg *.bmp)')
)
self.show_status(u'')
if not (filename is None) and not filename.isEmpty():
img = cv2.imread(str(filename))
self.images.append(img)
img_height, img_width, _ = img.shape
list_item = QtGui.QListWidgetItem(self.img_list)
list_item.setText(self.trUtf8(u'Filename: %1\nImage size: %2 x %3')
.arg(filename).arg(img_width).arg(img_height)
)
list_item.setIcon(QtGui.QIcon(
convert_to_qt_pixmap(img).scaled(StitchingWidget.ICON_SIZE, StitchingWidget.ICON_SIZE,
QtCore.Qt.KeepAspectRatio))
)
self.img_list.addItem(list_item)
msg = self.trUtf8(u'Image added')
self.show_status(msg, msg + ': ' + filename)
def set_result(self, result_img):
w, h = self.result_img_label.width(), self.result_img_label.height()
self.result_img_label.setPixmap(
convert_to_qt_pixmap(result_img).scaled(w, h,
QtCore.Qt.KeepAspectRatio, QtCore.Qt.SmoothTransformation)
)
