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main.py
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main.py
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import sys
from PyQt5 import QtCore, QtWidgets, QtGui
from functools import partial
import os
import json
import copy
import numpy as np
import cv2
import magnify
def hex2rgb(hex):
try:
r = int(hex[1:3], 16)
g = int(hex[3:5], 16)
b = int(hex[5:7], 16)
if hex[0] == '#' and len(hex) == 7 and 0 <= r < 256 and 0 <= g < 256 and 0 <= b < 256:
return r, g, b
else:
return False
except:
return False
class MyMainWindow(QtWidgets.QMainWindow):
def __init__(self):
super(MyMainWindow, self).__init__()
self.ui = magnify.Ui_MainWindow()
self.ui.setupUi(self)
self.display_ratio = 0.9
self.image_paths = ''
self.save_dir = ''
self.image = None
self.image_crop = None
self.image_resize = None
self.image_preview = None
self.idx_image = 0
# self.ratioOffset = 0.5 * np.ones((self.ui.spinBox_num.maximum(), 2))
self.ratioOffset = [[0.5, 0.5] for _ in range(self.ui.spinBox_num.maximum())]
self.ratioOffset_history = copy.deepcopy(self.ratioOffset)
self.color_history = [0] * self.ui.spinBox_num.maximum()
for i in range(self.ui.spinBox_num.maximum()):
self.color_history[i] = eval(f'self.ui.comboBox_color{i + 1}.currentText()')
for i in range(self.ui.spinBox_num.maximum()):
comboBox = eval(f'self.ui.comboBox_color{i + 1}')
comboBox.lineEdit().setPlaceholderText('#hexcode')
comboBox.lineEdit().setMaxLength(7)
self.ui.pushButton_upload.clicked.connect(partial(self.upload_images, 'x'))
self.ui.pushButton_save.clicked.connect(self.save_results)
# self.ui.pushButton_reset.clicked.connect(partial(self.initialize, True))
self.ui.pushButton_reset.clicked.connect(self.reset)
self.ui.spinBox_resX.editingFinished.connect(partial(self.check_cropresize_preview_show_image, 'x'))
self.ui.spinBox_resY.editingFinished.connect(partial(self.check_cropresize_preview_show_image, 'y'))
self.ui.spinBox_cropTop.editingFinished.connect(partial(self.check_cropresize_preview_show_image, 'x'))
self.ui.spinBox_cropBottom.editingFinished.connect(partial(self.check_cropresize_preview_show_image, 'x'))
self.ui.spinBox_cropLeft.editingFinished.connect(partial(self.check_cropresize_preview_show_image, 'x'))
self.ui.spinBox_cropRight.editingFinished.connect(partial(self.check_cropresize_preview_show_image, 'x'))
self.ui.spinBox_intervalX.editingFinished.connect(partial(self.check_preview_show_image, 'x'))
self.ui.spinBox_intervalY.editingFinished.connect(partial(self.check_preview_show_image, 'x'))
self.ui.spinBox_border.editingFinished.connect(partial(self.check_preview_show_image, 'x'))
self.ui.spinBox_linewidth.editingFinished.connect(partial(self.check_preview_show_image, 'x'))
self.ui.lineEdit_ratio.editingFinished.connect(partial(self.check_preview_show_image, 'x'))
self.ui.lineEdit_magnification.editingFinished.connect(partial(self.check_preview_show_image, 'x'))
self.ui.spinBox_num.editingFinished.connect(partial(self.check_preview_show_image, 'x'))
self.ui.comboBox_position.currentIndexChanged.connect(partial(self.check_preview_show_image, 'x'))
self.ui.comboBox_color1.currentIndexChanged.connect(partial(self.check_preview_show_image, 'x'))
self.ui.comboBox_color2.currentIndexChanged.connect(partial(self.check_preview_show_image, 'x'))
self.ui.comboBox_color3.currentIndexChanged.connect(partial(self.check_preview_show_image, 'x'))
self.ui.comboBox_color4.currentIndexChanged.connect(partial(self.check_preview_show_image, 'x'))
self.ui.graphicsView_selectarea.viewport().installEventFilter(self)
self.check_range('x')
# def comboBoxTextCenter(self):
# items = self.ui.centralwidget.findChildren(QtWidgets.QComboBox)
# for item in items:
# item.setEditable(True)
# item.lineEdit().setAlignment(QtCore.Qt.AlignCenter)
def obtain_ckpt(self):
ckpt = dict()
ckpt['prefix'] = self.ui.lineEdit_prefix.text()
ckpt['suffix'] = self.ui.lineEdit_suffix.text()
ckpt['resX'] = self.ui.spinBox_resX.value()
ckpt['resY'] = self.ui.spinBox_resY.value()
ckpt['cropTop'] = self.ui.spinBox_cropTop.value()
ckpt['cropBottom'] = self.ui.spinBox_cropBottom.value()
ckpt['cropLeft'] = self.ui.spinBox_cropLeft.value()
ckpt['cropRight'] = self.ui.spinBox_cropRight.value()
ckpt['intervalX'] = self.ui.spinBox_intervalX.value()
ckpt['intervalY'] = self.ui.spinBox_intervalY.value()
ckpt['border'] = self.ui.spinBox_border.value()
ckpt['linewidth'] = self.ui.spinBox_linewidth.value()
ckpt['ratio'] = self.ui.lineEdit_ratio.text()
ckpt['magnification'] = self.ui.lineEdit_magnification.text()
ckpt['num'] = self.ui.spinBox_num.value()
ckpt['position1'] = self.ui.pushButton_position1.isChecked()
ckpt['position2'] = self.ui.pushButton_position2.isChecked()
ckpt['position3'] = self.ui.pushButton_position3.isChecked()
ckpt['position4'] = self.ui.pushButton_position4.isChecked()
ckpt['color1'] = self.ui.comboBox_color1.currentText()
ckpt['color2'] = self.ui.comboBox_color2.currentText()
ckpt['color3'] = self.ui.comboBox_color3.currentText()
ckpt['color4'] = self.ui.comboBox_color4.currentText()
ckpt['ratioOffset'] = self.ratioOffset
return ckpt
def load_ckpt(self, ckpt):
self.ui.lineEdit_prefix.setText(ckpt['prefix'])
self.ui.lineEdit_suffix.setText(ckpt['suffix'])
self.ui.spinBox_resX.setValue(ckpt['resX'])
self.ui.spinBox_resY.setValue(ckpt['resY'])
self.ui.spinBox_cropTop.setValue(ckpt['cropTop'])
self.ui.spinBox_cropBottom.setValue(ckpt['cropBottom'])
self.ui.spinBox_cropLeft.setValue(ckpt['cropLeft'])
self.ui.spinBox_cropRight.setValue(ckpt['cropRight'])
self.ui.spinBox_intervalX.setValue(ckpt['intervalX'])
self.ui.spinBox_intervalY.setValue(ckpt['intervalY'])
self.ui.spinBox_border.setValue(ckpt['border'])
self.ui.spinBox_linewidth.setValue(ckpt['linewidth'])
self.ui.lineEdit_ratio.setText(ckpt['ratio'])
self.ui.lineEdit_magnification.setText(ckpt['magnification'])
self.ui.spinBox_num.setValue(ckpt['num'])
self.ui.pushButton_position1.setChecked(ckpt['position1'])
self.ui.pushButton_position2.setChecked(ckpt['position2'])
self.ui.pushButton_position3.setChecked(ckpt['position3'])
self.ui.pushButton_position4.setChecked(ckpt['position4'])
self.ui.comboBox_color1.setCurrentText(ckpt['color1'])
self.ui.comboBox_color2.setCurrentText(ckpt['color2'])
self.ui.comboBox_color3.setCurrentText(ckpt['color3'])
self.ui.comboBox_color4.setCurrentText(ckpt['color4'])
self.ratioOffset = ckpt['ratioOffset']
self.ratioOffset_history = copy.deepcopy(self.ratioOffset)
def upload_images(self, priority):
# if not self.image_paths:
paths, _ = QtWidgets.QFileDialog.getOpenFileNames(
self, 'Open', '', '*.bmp *.dib *.jpeg *.jpg *.jpe *.png *.tiff *.tif *.json'
)
if not paths:
return
image_paths = []
num_ckpt = 0
for path in paths:
if path.endswith('.json'):
if num_ckpt == 0:
with open(path, 'r', encoding='utf-8') as f:
ckpt = json.load(f)
try:
self.load_ckpt(ckpt)
except TypeError:
QtWidgets.QMessageBox.warning(self, 'Message', 'The checkpoint cannot be loaded!', QtWidgets.QMessageBox.Ok)
return
num_ckpt += 1
elif num_ckpt == 1:
QtWidgets.QMessageBox.warning(self, 'Message', 'More than 1 checkpoint file have been uploaded. The first one is loaded!', QtWidgets.QMessageBox.Ok)
num_ckpt += 1
else:
image_paths.append(path)
if len(image_paths) == 0:
if self.image is not None:
self.check_cropresize_preview_show_image(priority)
return
else:
self.idx_image = 0
self.image_paths = image_paths
# self.image_paths, _ = QtWidgets.QFileDialog.getOpenFileNames(self, 'Open', '', '*.jpg;;*.png;;All Files(*)')
# if len(self.image_paths) != 0:
# self.image = cv2.imread(self.image_paths[self.idx_image])
try:
self.image = cv2.imdecode(np.fromfile(self.image_paths[self.idx_image], dtype=np.uint8), cv2.IMREAD_COLOR)
self.image = cv2.cvtColor(self.image, cv2.COLOR_BGR2RGB)
except cv2.error:
QtWidgets.QMessageBox.warning(self, 'Message', 'The image cannot be read!', QtWidgets.QMessageBox.Ok)
return
self.check_cropresize_preview_show_image(priority)
def save_results(self):
if self.image_preview is None:
QtWidgets.QMessageBox.warning(self, 'Message', 'No images to save!', QtWidgets.QMessageBox.Ok)
return
self.save_dir = QtWidgets.QFileDialog.getExistingDirectory(self, 'Choose directory to save', '')
if self.save_dir == '':
return
ckpt = self.obtain_ckpt()
image_path = self.image_paths[0]
image_name = os.path.splitext(os.path.split(image_path)[1])[0]
save_path = os.path.join(self.save_dir, image_name + '.json')
with open(save_path, 'w', encoding='utf-8') as fw:
json.dump(ckpt, fw, indent=4, ensure_ascii=False)
to_overwrite = None
for i in range(len(self.image_paths)):
image_path = self.image_paths[i]
image_name = os.path.splitext(os.path.split(image_path)[1])[0]
save_path = os.path.join(self.save_dir, self.ui.lineEdit_prefix.text() + image_name + self.ui.lineEdit_suffix.text())
self.image = cv2.imdecode(np.fromfile(image_path, dtype=np.uint8), cv2.IMREAD_COLOR)
self.image = cv2.cvtColor(self.image, cv2.COLOR_BGR2RGB)
self.check_range('x')
self.crop_resize_image()
self.preview_image()
if os.path.exists(save_path):
if to_overwrite is None:
reply = QtWidgets.QMessageBox.question(self, 'Message',
'Some image files exist. Are you sure to overwrite them?',
QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No,
QtWidgets.QMessageBox.No)
if reply == QtWidgets.QMessageBox.Yes:
to_overwrite = True
else:
to_overwrite = False
continue
elif to_overwrite is True:
pass
else:
continue
try:
# cv2.imwrite(save_path, cv2.cvtColor(self.image_preview.astype(np.uint8), cv2.COLOR_RGB2BGR))
cv2.imencode(self.ui.lineEdit_suffix.text(),
cv2.cvtColor(self.image_preview.astype(np.uint8), cv2.COLOR_RGB2BGR))[1].tofile(save_path)
except cv2.error:
QtWidgets.QMessageBox.warning(self, 'Message', 'Image file format is unsupported!', QtWidgets.QMessageBox.Ok)
return
QtWidgets.QMessageBox.information(self, 'Message', 'Done saving!', QtWidgets.QMessageBox.Ok)
def reset(self, ckpt_path=None):
if not ckpt_path:
reply = QtWidgets.QMessageBox.question(self, 'Message', 'Are you sure to reset?',
QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No,
QtWidgets.QMessageBox.No)
if reply == QtWidgets.QMessageBox.No:
return
self.ui.lineEdit_prefix.setText('mag_')
self.ui.lineEdit_suffix.setText('.jpg')
self.ui.spinBox_resX.setValue(720)
self.ui.spinBox_resY.setValue(720)
self.ui.spinBox_cropTop.setValue(0)
self.ui.spinBox_cropBottom.setValue(0)
self.ui.spinBox_cropLeft.setValue(0)
self.ui.spinBox_cropRight.setValue(0)
self.ui.spinBox_intervalX.setValue(5)
self.ui.spinBox_intervalY.setValue(5)
self.ui.spinBox_border.setValue(0)
self.ui.spinBox_linewidth.setValue(8)
self.ui.lineEdit_ratio.setText('1.5')
self.ui.lineEdit_magnification.setText('4.0')
self.ui.spinBox_num.setValue(2)
self.ui.comboBox_position.setCurrentIndex(1)
self.ui.pushButton_position1.setChecked(True)
# self.ui.comboBox_color1.setCurrentIndex(0)
# self.ui.comboBox_color2.setCurrentIndex(1)
# self.ui.comboBox_color3.setCurrentIndex(2)
# self.ui.comboBox_color4.setCurrentIndex(3)
self.ui.comboBox_color1.setCurrentText('red')
self.ui.comboBox_color2.setCurrentText('green')
self.ui.comboBox_color3.setCurrentText('yellow')
self.ui.comboBox_color4.setCurrentText('blue')
self.check_cropresize_preview_show_image('x')
def check_cropresize_preview_show_image(self, priority):
self.check_range(priority)
self.crop_resize_image()
self.preview_image()
self.show_image()
def check_preview_show_image(self, priority):
self.check_range(priority)
self.preview_image()
self.show_image()
def check_range(self, priority):
# resolution
if self.ui.spinBox_resX.value() < 128:
self.ui.spinBox_resX.setValue(128)
elif self.ui.spinBox_resX.value() > 4096:
self.ui.spinBox_resX.setValue(4096)
if self.ui.spinBox_resY.value() < 128:
self.ui.spinBox_resY.setValue(128)
elif self.ui.spinBox_resY.value() > 4096:
self.ui.spinBox_resY.setValue(4096)
# crop ratio
if self.ui.spinBox_cropTop.value() < 0:
self.ui.spinBox_cropTop.setValue(0)
elif self.ui.spinBox_cropTop.value() > 95:
self.ui.spinBox_cropTop.setValue(95)
if self.ui.spinBox_cropBottom.value() < 0:
self.ui.spinBox_cropBottom.setValue(0)
elif self.ui.spinBox_cropBottom.value() > 95:
self.ui.spinBox_cropBottom.setValue(95)
if self.ui.spinBox_cropLeft.value() < 0:
self.ui.spinBox_cropLeft.setValue(0)
elif self.ui.spinBox_cropLeft.value() > 95:
self.ui.spinBox_cropLeft.setValue(95)
if self.ui.spinBox_cropRight.value() < 0:
self.ui.spinBox_cropRight.setValue(0)
elif self.ui.spinBox_cropRight.value() > 95:
self.ui.spinBox_cropRight.setValue(95)
if self.ui.spinBox_cropTop.value() + self.ui.spinBox_cropBottom.value() > 95:
self.ui.spinBox_cropBottom.setValue(95 - self.ui.spinBox_cropTop.value())
elif self.ui.spinBox_cropLeft.value() + self.ui.spinBox_cropRight.value() > 95:
self.ui.spinBox_cropRight.setValue(95 - self.ui.spinBox_cropLeft.value())
if self.image is not None:
h, w = self.image.shape[:2]
h_crop = h * (1 - self.ui.spinBox_cropTop.value() / 100 - self.ui.spinBox_cropBottom.value() / 100)
w_crop = w * (1 - self.ui.spinBox_cropLeft.value() / 100 - self.ui.spinBox_cropRight.value() / 100)
resX = self.ui.spinBox_resX.value()
resY = self.ui.spinBox_resY.value()
if priority == 'x':
resY = round(h_crop / w_crop * self.ui.spinBox_resX.value())
if resY < 128:
resY = 128
resX = round(w_crop / h_crop * resY)
elif resY > 4096:
resY = 4096
resX = round(w_crop / h_crop * resY)
else:
resX = round(w_crop / h_crop * self.ui.spinBox_resY.value())
if resX < 128:
resX = 128
resY = round(h_crop / w_crop * resX)
elif resX > 4096:
resX = 4096
resY = round(h_crop / w_crop * resX)
self.ui.spinBox_resX.setValue(resX)
self.ui.spinBox_resY.setValue(resY)
# interval
if self.ui.spinBox_num.value() > 1:
numMag = self.ui.spinBox_num.value()
if self.ui.spinBox_intervalX.value() < -int(0.5 * self.ui.spinBox_resX.value()):
self.ui.spinBox_intervalX.setValue(-int(0.5 * self.ui.spinBox_resX.value()))
elif self.ui.spinBox_intervalX.value() > int(0.5 / (numMag-1) * self.ui.spinBox_resX.value()):
self.ui.spinBox_intervalX.setValue(int(0.5 / (numMag-1) * self.ui.spinBox_resX.value()))
if self.ui.spinBox_intervalY.value() < -int(0.5 * self.ui.spinBox_resY.value()):
self.ui.spinBox_intervalY.setValue(-int(0.5 * self.ui.spinBox_resY.value()))
elif self.ui.spinBox_intervalY.value() > int(0.5 / (numMag-1) * self.ui.spinBox_resY.value()):
self.ui.spinBox_intervalY.setValue(int(0.5 / (numMag-1) * self.ui.spinBox_resY.value()))
else:
if self.ui.spinBox_intervalX.value() < -int(0.9 * self.ui.spinBox_resX.value()):
self.ui.spinBox_intervalX.setValue(-int(0.9 * self.ui.spinBox_resX.value()))
elif self.ui.spinBox_intervalX.value() > int(0.9 * self.ui.spinBox_resX.value()):
self.ui.spinBox_intervalX.setValue(int(0.9 * self.ui.spinBox_resX.value()))
if self.ui.spinBox_intervalY.value() < -int(0.9 * self.ui.spinBox_resY.value()):
self.ui.spinBox_intervalY.setValue(-int(0.9 * self.ui.spinBox_resY.value()))
elif self.ui.spinBox_intervalY.value() > int(0.9 * self.ui.spinBox_resY.value()):
self.ui.spinBox_intervalY.setValue(int(0.9 * self.ui.spinBox_resY.value()))
# border
if self.ui.spinBox_num.value() > 1:
if int(self.ui.comboBox_position.currentIndex()) < 2: # 0: up; 1: down; 2: left; 3: right
if self.ui.spinBox_border.value() < -int(0.5 * self.ui.spinBox_resX.value()):
self.ui.spinBox_border.setValue(-int(0.5 * self.ui.spinBox_resX.value()))
elif self.ui.spinBox_border.value() > int(0.2 * self.ui.spinBox_resX.value()):
self.ui.spinBox_border.setValue(int(0.2 * self.ui.spinBox_resX.value()))
else:
if self.ui.spinBox_border.value() < -int(0.5 * self.ui.spinBox_resY.value()):
self.ui.spinBox_border.setValue(-int(0.5 * self.ui.spinBox_resY.value()))
elif self.ui.spinBox_border.value() > int(0.2 * self.ui.spinBox_resY.value()):
self.ui.spinBox_border.setValue(int(0.2 * self.ui.spinBox_resY.value()))
else:
if int(self.ui.comboBox_position.currentIndex()) < 2: # 0: up; 1: down; 2: left; 3: right
if self.ui.spinBox_border.value() < -int(0.5 * self.ui.spinBox_resX.value()):
self.ui.spinBox_border.setValue(-int(0.5 * self.ui.spinBox_resX.value()))
elif self.ui.spinBox_border.value() > int(0.4 * self.ui.spinBox_resX.value()):
self.ui.spinBox_border.setValue(int(0.4 * self.ui.spinBox_resX.value()))
else:
if self.ui.spinBox_border.value() < -int(0.5 * self.ui.spinBox_resY.value()):
self.ui.spinBox_border.setValue(-int(0.5 * self.ui.spinBox_resY.value()))
elif self.ui.spinBox_border.value() > int(0.4 * self.ui.spinBox_resY.value()):
self.ui.spinBox_border.setValue(int(0.4 * self.ui.spinBox_resY.value()))
# linewidth
if self.ui.spinBox_linewidth.value() < 2:
self.ui.spinBox_linewidth.setValue(2)
elif self.ui.spinBox_linewidth.value() > int(0.05 * min(self.ui.spinBox_resX.value(), self.ui.spinBox_resY.value())):
self.ui.spinBox_linewidth.setValue(int(0.05 * min(self.ui.spinBox_resX.value(), self.ui.spinBox_resY.value())))
# aspect ratio
try:
if float(self.ui.lineEdit_ratio.text()) < 0.2:
self.ui.lineEdit_ratio.setText('0.2')
elif float(self.ui.lineEdit_ratio.text()) > 5.0:
self.ui.lineEdit_ratio.setText('5.0')
except ValueError:
self.ui.lineEdit_ratio.setText('2.0')
# magnification
try:
if float(self.ui.lineEdit_magnification.text()) < 1.0:
self.ui.lineEdit_magnification.setText('1.0')
elif float(self.ui.lineEdit_magnification.text()) > 10.0:
self.ui.lineEdit_magnification.setText('10.0')
except ValueError:
self.ui.lineEdit_magnification.setText('4.0')
# mag number
for i in range(self.ui.spinBox_num.maximum()):
if i < self.ui.spinBox_num.value():
eval(f'self.ui.pushButton_position{i+1}.setEnabled(True)')
eval(f'self.ui.comboBox_color{i+1}.setEnabled(True)')
else:
eval(f'self.ui.pushButton_position{i+1}.setEnabled(False)')
eval(f'self.ui.comboBox_color{i+1}.setEnabled(False)')
def crop_resize_image(self):
if self.image is None:
return
ratioCropTop, ratioCropBottom = self.ui.spinBox_cropTop.value() / 100, self.ui.spinBox_cropBottom.value()/ 100
ratioCropLeft, ratioCropRight = self.ui.spinBox_cropLeft.value() / 100, self.ui.spinBox_cropRight.value() / 100
h, w = self.image.shape[:2]
yStart = round(ratioCropTop * h)
yEnd = round((1 - ratioCropBottom) * h)
xStart = round(ratioCropLeft * w)
xEnd = round((1 - ratioCropRight) * w)
self.image_crop = self.image[yStart: yEnd, xStart: xEnd]
resX = self.ui.spinBox_resX.value()
resY = self.ui.spinBox_resY.value()
self.image_resize = cv2.resize(self.image_crop, (resX, resY), interpolation=cv2.INTER_LINEAR)
# if self.image_resize is None:
# h, w = self.image_crop.shape[:2]
# if priority == 'x':
# resY = round(h / w * self.ui.spinBox_resX.value())
# resX = self.ui.spinBox_resX.value()
# if resY < 128:
# resY = 128
# resX = round(w / h * resY)
# self.image_resize = cv2.resize(self.image_crop, (resX, resY), interpolation=cv2.INTER_LINEAR)
# self.ui.spinBox_resY.setValue(resY)
# else:
# resY = self.ui.spinBox_resY.value()
# resX = round(w / h * self.ui.spinBox_resY.value())
# if resY > 4096:
# resY = 4096
# resX = round(w / h * resY)
# self.image_resize = cv2.resize(self.image_crop, (resX, resY), interpolation=cv2.INTER_LINEAR)
# self.ui.spinBox_resX.setValue(resY)
def preview_image(self):
if self.image_resize is None:
return
if self.ui.spinBox_num.value() == 0:
self.ui.lineEdit_message.setText('')
self.image_preview = self.image_resize
return
position = int(self.ui.comboBox_position.currentIndex()) # 0: up; 1: down; 2: left; 3: right
w_resize, h_resize = int(self.ui.spinBox_resX.value()), int(self.ui.spinBox_resY.value())
ratioCropTop, ratioCropBottom = self.ui.spinBox_cropTop.value() / 100, self.ui.spinBox_cropBottom.value() / 100
ratioCropLeft, ratioCropRight = self.ui.spinBox_cropLeft.value() / 100, self.ui.spinBox_cropRight.value() / 100
intervalX, intervalY = int(self.ui.spinBox_intervalX.value()), int(self.ui.spinBox_intervalY.value())
border = int(self.ui.spinBox_border.value())
linewidth = int(self.ui.spinBox_linewidth.value())
linewidthHalf = (linewidth + 1) // 2
aspectRatioMag = float(self.ui.lineEdit_ratio.text())
magnification = float(self.ui.lineEdit_magnification.text())
numMag = int(self.ui.spinBox_num.value())
if numMag > 1:
if position < 2:
wMAG_resize = int((w_resize - 2*border - (numMag-1)*intervalX - 2*numMag*linewidthHalf) / numMag)
hMAG_resize = int(wMAG_resize / aspectRatioMag)
w_preview = max(w_resize, w_resize - 2 * border)
h_preview = max(h_resize, h_resize + hMAG_resize + intervalY + 2 * linewidthHalf)
else:
hMAG_resize = int((h_resize - 2*border - (numMag-1)*intervalY - 2*numMag*linewidthHalf) / numMag)
wMAG_resize = int(hMAG_resize * aspectRatioMag)
h_preview = max(h_resize, h_resize - 2 * border)
w_preview = max(w_resize, w_resize + wMAG_resize + intervalX + 2 * linewidthHalf)
else:
if position < 2:
wMAG_resize = int(w_resize - 2 * border - 2 * numMag * linewidthHalf)
hMAG_resize = int(wMAG_resize / aspectRatioMag)
w_preview = max(w_resize, w_resize // 2 + abs(intervalX) + wMAG_resize // 2 + linewidthHalf)
h_preview = max(h_resize, h_resize + hMAG_resize + intervalY + 2 * linewidthHalf)
else:
hMAG_resize = int(h_resize - 2*border - 2*numMag*linewidthHalf)
wMAG_resize = int(hMAG_resize * aspectRatioMag)
h_preview = max(h_resize, h_resize//2 + abs(intervalY) + hMAG_resize//2 + linewidthHalf)
w_preview = max(w_resize, w_resize + wMAG_resize + intervalX + 2 * linewidthHalf)
hMag_resize = hMAG_resize / magnification
wMag_resize = wMAG_resize / magnification
if hMag_resize < 1 and wMag_resize < 1:
# QtWidgets.QMessageBox.warning(self, 'Message', 'The size of the magnified areas are smaller than 1px.',
# QtWidgets.QMessageBox.Ok)
self.ui.lineEdit_message.setText('The size of the magnification window is smaller than 1px.')
return
h_crop, w_crop = self.image_crop.shape[:2]
wMag_crop = w_crop / w_resize * wMag_resize
hMag_crop = h_crop / h_resize * hMag_resize
if wMag_resize + 2 * linewidthHalf > w_resize or hMag_resize + 2 * linewidthHalf > h_resize:
self.ui.lineEdit_message.setText(f'Magnified areas are out of range. Do not display.')
self.image_preview = 255 * np.ones((h_preview, w_preview, 3))
# draw original image
if numMag > 1:
if position == 0:
xStart = (w_preview - w_resize) // 2
yStart = max(0, hMAG_resize + intervalY + 2*linewidthHalf)
# self.image_preview[hMAG_resize + intervalY + 2*linewidthHalf:, (w_preview-w_resize)//2: (w_preview-w_resize)//2+w_resize] = self.image_resize
elif position == 1:
xStart = (w_preview - w_resize) // 2
yStart = 0
# self.image_preview[:h_resize, (w_preview-w_resize)//2: (w_preview-w_resize)//2+w_resize] = self.image_resize
elif position == 2:
xStart = max(0, wMAG_resize + intervalX + 2*linewidthHalf)
yStart = (h_preview - h_resize) // 2
# self.image_preview[(h_preview-h_resize)//2: (h_preview-h_resize)//2+h_resize, wMAG_resize + intervalX + 2*linewidthHalf:] = self.image_resize
else:
xStart = 0
yStart = (h_preview - h_resize) // 2
# self.image_preview[(h_preview-h_resize)//2: (h_preview-h_resize)//2+h_resize, :w_resize] = self.image_resize
else:
if position == 0:
xStart = max(0, linewidthHalf + wMAG_resize//2 - intervalX - w_resize//2)
yStart = max(0, hMAG_resize + intervalY + 2*linewidthHalf)
elif position == 1:
xStart = max(0, linewidthHalf + wMAG_resize//2 - intervalX - w_resize//2)
yStart = 0
elif position == 2:
xStart = max(0, wMAG_resize + intervalX + 2*linewidthHalf)
yStart = max(0, linewidthHalf + hMAG_resize//2 - intervalY - h_resize//2)
else:
xStart = 0
yStart = max(0, linewidthHalf + hMAG_resize//2 - intervalY - h_resize//2)
xEnd = xStart + w_resize
yEnd = yStart + h_resize
self.image_preview[yStart: yEnd, xStart: xEnd] = self.image_resize
for idx_mag in range(self.ui.spinBox_num.value()):
# idx_color = eval(f'self.ui.comboBox_color{idx_mag+1}.currentIndex()')
text = eval(f'self.ui.comboBox_color{idx_mag+1}.currentText()')
if text == 'red':
color = (255, 0, 0)
elif text == 'green':
color = (0, 255, 0)
elif text == 'yellow':
color = (255, 255, 0)
elif text == 'blue':
color = (0, 191, 255)
elif text == '#aabbcc':
color = hex2rgb(text)
else:
color = hex2rgb(text)
if color is False:
text = self.color_history[idx_mag]
if text == 'red':
color = (255, 0, 0)
elif text == 'green':
color = (0, 255, 0)
elif text == 'yellow':
color = (255, 255, 0)
elif text == 'blue':
color = (0, 191, 255)
else:
color = hex2rgb(text)
eval(f'self.ui.comboBox_color{idx_mag+1}.removeItem(self.ui.comboBox_color{idx_mag+1}.count() - 1)')
eval(f'self.ui.comboBox_color{idx_mag+1}.setCurrentText(text)')
self.color_history[idx_mag] = text
ratioOffsetY, ratioOffsetX = self.ratioOffset[idx_mag]
ratioRelativeOffsetY = (ratioOffsetY - ratioCropTop) / (1 - ratioCropTop - ratioCropBottom)
ratioRelativeOffsetX = (ratioOffsetX - ratioCropLeft) / (1 - ratioCropLeft - ratioCropRight)
# draw the frames of magnified areas on the original image
xCenter = w_resize * ratioRelativeOffsetX
yCenter = h_resize * ratioRelativeOffsetY
beyond_boundary = False
if xCenter - wMag_resize // 2 < linewidthHalf:
beyond_boundary = True
xCenter = linewidthHalf + wMag_resize // 2
elif xCenter + wMag_resize // 2 > w_resize - linewidthHalf:
xCenter = w_resize - linewidthHalf - wMag_resize // 2
beyond_boundary = True
if yCenter - wMag_resize // 2 < linewidthHalf:
yCenter = linewidthHalf + hMag_resize // 2
beyond_boundary = True
elif yCenter + hMag_resize // 2 > h_resize - linewidthHalf:
yCenter = h_resize - linewidthHalf - hMag_resize // 2
beyond_boundary = True
if beyond_boundary is True:
ratioRelativeOffsetX = xCenter / w_resize
ratioRelativeOffsetY = yCenter / h_resize
ratioOffsetY = ratioCropTop + ratioRelativeOffsetY * (1 - ratioCropTop - ratioCropBottom)
ratioOffsetX = ratioCropLeft + ratioRelativeOffsetX * (1 - ratioCropLeft - ratioCropRight)
self.ratioOffset[idx_mag] = [ratioOffsetY, ratioOffsetX]
if numMag > 1:
if position == 0:
xStart = int(xCenter - wMag_resize//2) + (w_preview - w_resize) // 2
yStart = int(yCenter - hMag_resize//2) + max(0, hMAG_resize + intervalY + 2*linewidthHalf)
elif position == 1:
xStart = int(xCenter - wMag_resize//2) + (w_preview - w_resize) // 2
yStart = int(yCenter - hMag_resize//2)
elif position == 2:
xStart = int(xCenter - wMag_resize//2) + max(0, wMAG_resize + intervalX + 2*linewidthHalf)
yStart = int(yCenter - hMag_resize//2) + (h_preview - h_resize) // 2
else:
xStart = int(xCenter - wMag_resize//2)
yStart = int(yCenter - hMag_resize//2) + (h_preview - h_resize) // 2
else:
if position == 0:
xStart = int(xCenter - wMag_resize//2) + max(0, linewidthHalf + wMAG_resize//2 - intervalX - w_resize//2)
yStart = int(yCenter - hMag_resize//2) + max(0, hMAG_resize + intervalY + 2*linewidthHalf)
elif position == 1:
xStart = int(xCenter - wMag_resize//2) + max(0, linewidthHalf + wMAG_resize//2 - intervalX - w_resize//2)
yStart = int(yCenter - hMag_resize//2)
elif position == 2:
xStart = int(xCenter - wMag_resize//2) + max(0, wMAG_resize + intervalX + 2*linewidthHalf)
yStart = int(yCenter - hMag_resize//2) + max(0, linewidthHalf + hMAG_resize//2 - intervalY - h_resize//2)
else:
xStart = int(xCenter - wMag_resize//2)
yStart = int(yCenter - hMag_resize//2) + max(0, linewidthHalf + hMAG_resize//2 - intervalY - h_resize//2)
xEnd = int(xStart + wMag_resize)
yEnd = int(yStart + hMag_resize)
# if xStart < linewidthHalf or xEnd > w_resize-linewidthHalf or yStart < linewidthHalf or yEnd > h_resize-linewidthHalf:
# if xStart < linewidthHalf:
# xStart = linewidthHalf
# xEnd = int(xStart + wMag_resize)
# xCenter = xStart + wMag_resize / 2
# elif xEnd > w_resize - linewidthHalf:
# xEnd = w_resize - linewidthHalf
# xStart = int(xEnd - wMag_resize)
# xCenter = xEnd - wMag_resize / 2
# if yStart < linewidthHalf:
# yStart = linewidthHalf
# yEnd = int(yStart + hMag_resize)
# yCenter = yStart + hMag_resize / 2
# elif yEnd > h_resize - linewidthHalf:
# yEnd = h_resize - linewidthHalf
# yStart = int(yEnd - hMag_resize)
# yCenter = yEnd - hMag_resize / 2
#
# ratioRelativeOffsetX = xCenter / w_resize
# ratioRelativeOffsetY = yCenter / h_resize
#
# ratioOffsetY = ratioCropTop + ratioRelativeOffsetY * (1 - ratioCropTop - ratioCropBottom)
# ratioOffsetX = ratioCropLeft + ratioRelativeOffsetX * (1 - ratioCropLeft - ratioCropRight)
# self.ratioOffset[idx_mag] = [ratioOffsetY, ratioOffsetX]
# if xStart < linewidthHalf or yStart < linewidthHalf or xEnd > w_resize-linewidthHalf or yEnd > h_resize-linewidthHalf:
# warning_times += 1
# global_warning_times += 1
# else:
# break
# if warning_times == 0:
# self.ratioOffset_history[idx_mag] = copy.deepcopy(self.ratioOffset[idx_mag])
# elif warning_times == 1:
# self.ratioOffset[idx_mag] = copy.deepcopy(self.ratioOffset_history[idx_mag])
# self.ui.lineEdit_message.setText(f'The position of "mag {idx_mag+1}" is out of range. Keep the previous one.')
# elif warning_times == 2:
# self.ratioOffset[idx_mag] = copy.deepcopy(self.ratioOffset_history[idx_mag])
# self.ui.lineEdit_message.setText(f'The size of "mag {idx_mag + 1}" is out of range. Do not display.')
# continue
cv2.rectangle(self.image_preview, (xStart, yStart), (xEnd-1, yEnd-1), color, thickness=linewidth)
# draw magnification windows
xCenter = w_crop * ratioRelativeOffsetX
yCenter = h_crop * ratioRelativeOffsetY
xStart = int(xCenter - wMag_crop//2)
xEnd = int(xStart + wMag_crop)
yStart = int(yCenter - hMag_crop//2)
yEnd = int(yStart + hMag_crop)
mag_crop = self.image_crop[yStart: yEnd, xStart: xEnd]
mag_resize = cv2.resize(mag_crop, (wMAG_resize, hMAG_resize), interpolation=cv2.INTER_LINEAR)
if numMag > 1:
if position == 0:
xStart = max(border, 0) + linewidthHalf + idx_mag * (intervalX + wMAG_resize + 2*linewidthHalf)
yStart = linewidthHalf
elif position == 1:
xStart = max(border, 0) + linewidthHalf + idx_mag * (intervalX + wMAG_resize + 2*linewidthHalf)
yStart = h_resize + intervalY + linewidthHalf
elif position == 2:
xStart = linewidthHalf
yStart = max(border, 0) + linewidthHalf + idx_mag * (intervalY + hMAG_resize + 2*linewidthHalf)
else:
xStart = w_resize + intervalX + linewidthHalf
yStart = max(border, 0) + linewidthHalf + idx_mag * (intervalY + hMAG_resize + 2*linewidthHalf)
else:
if position == 0:
xStart = linewidthHalf + max(0, w_resize//2 + intervalX - wMAG_resize//2 - linewidthHalf)
yStart = linewidthHalf + max(0, -intervalY - hMAG_resize - 2*linewidthHalf)
elif position == 1:
xStart = linewidthHalf + max(0, w_resize//2 + intervalX - wMAG_resize//2 - linewidthHalf)
yStart = h_resize + intervalY + linewidthHalf
elif position == 2:
xStart = linewidthHalf + max(0, -intervalX - wMAG_resize - 2*linewidthHalf)
yStart = linewidthHalf + max(0, h_resize//2 + intervalY - linewidthHalf - hMAG_resize//2)
else:
xStart = w_resize + intervalX + linewidthHalf
yStart = linewidthHalf + max(0, h_resize//2 + intervalY - linewidthHalf - hMAG_resize//2)
xEnd = xStart + wMAG_resize
yEnd = yStart + hMAG_resize
self.image_preview[yStart: yEnd, xStart: xEnd] = mag_resize
cv2.rectangle(self.image_preview, (xStart, yStart), (xEnd-1, yEnd-1), color, thickness=linewidth)
self.ui.lineEdit_message.setText('Succeed to magnify.')
def show_image_in_graphicsview(self, image, graphicsView):
if image is None:
return
h, w = image.shape[:2]
# graphicsView_preview
h_graphview = graphicsView.height()
w_graphview = graphicsView.width()
display_ratio = self.display_ratio * min(h_graphview / h, w_graphview / w)
h_adapt = int(display_ratio * h)
w_adapt = int(display_ratio * w)
image_adapt = cv2.resize(image, (w_adapt, h_adapt), interpolation=cv2.INTER_LINEAR)
if image_adapt.dtype == float:
if image_adapt.max() > 1.01:
image_adapt = image_adapt.astype(np.uint8)
else:
image_adapt = (image_adapt * 255).astype(np.uint8)
image_qt = QtGui.QImage(image_adapt.data, w_adapt, h_adapt, w_adapt * 3, QtGui.QImage.Format_RGB888)
pix = QtGui.QPixmap.fromImage(image_qt)
item = QtWidgets.QGraphicsPixmapItem(pix)
scene = QtWidgets.QGraphicsScene()
scene.addItem(item)
graphicsView.setScene(scene)
def show_image(self):
if len(self.image_paths) > 0:
self.ui.lineEdit_imagename.setText(os.path.split(self.image_paths[self.idx_image])[1])
self.ui.lineEdit_imageidx.setText(f'{self.idx_image+1}/{len(self.image_paths)}')
self.show_image_in_graphicsview(self.image_resize, self.ui.graphicsView_selectarea)
self.show_image_in_graphicsview(self.image_preview, self.ui.graphicsView_preview)
def eventFilter(self, source, event):
if self.image_resize is not None and self.ui.spinBox_num.value() > 0:
self.ui.graphicsView_selectarea.setCursor(QtCore.Qt.CrossCursor)
graphview = self.ui.graphicsView_selectarea
if event.type() == QtCore.QEvent.MouseButtonPress and event.button() == QtCore.Qt.RightButton and source == graphview.viewport():
# image_h, image_w = self.image_resize.shape[:2]
y_mouse, x_mouse = event.y(), event.x()
h_graphview, w_graphview = graphview.height(), graphview.width()
h, w = self.image_resize.shape[:2]
display_ratio = self.display_ratio * min(h_graphview / h, w_graphview / w)
h_adapt = int(display_ratio * h)
w_adapt = int(display_ratio * w)
y_point = y_mouse - (h_graphview - h_adapt) // 2
x_point = x_mouse - (w_graphview - w_adapt) // 2
ratioRelativeOffsetY = y_point / h_adapt
ratioRelativeOffsetX = x_point / w_adapt
# w_resize, h_resize = int(self.ui.spinBox_resX.value()), int(self.ui.spinBox_resY.value())
# h, w = self.image.shape[:2]
ratioCropTop, ratioCropBottom = self.ui.spinBox_cropTop.value() / 100, self.ui.spinBox_cropBottom.value() / 100
ratioCropLeft, ratioCropRight = self.ui.spinBox_cropLeft.value() / 100, self.ui.spinBox_cropRight.value() / 100
ratioOffsetY = ratioRelativeOffsetY * (1 - ratioCropTop - ratioCropBottom) + ratioCropTop
ratioOffsetX = ratioRelativeOffsetX * (1 - ratioCropLeft - ratioCropRight) + ratioCropLeft
idx_mag_select = 0
for idx_mag in range(self.ui.spinBox_num.value()):
if eval(f'self.ui.pushButton_position{idx_mag+1}.isChecked()'):
idx_mag_select = idx_mag
break
self.ratioOffset[idx_mag_select][0] = ratioOffsetY
self.ratioOffset[idx_mag_select][1] = ratioOffsetX
self.preview_image()
self.show_image()
return super().eventFilter(source, event)
def keyPressEvent(self, event):
if event.key() in [QtCore.Qt.Key_Q, QtCore.Qt.Key_E]:
length = len(self.image_paths)
if length > 0:
if event.key() == QtCore.Qt.Key_Q:
if self.idx_image > 0:
self.idx_image -= 1
else:
self.ui.lineEdit_message.setText('This is the first image.')
return
elif event.key() == QtCore.Qt.Key_E:
if self.idx_image < length - 1:
self.idx_image += 1
else:
self.ui.lineEdit_message.setText('This is the last image.')
return
self.image = cv2.imdecode(np.fromfile(self.image_paths[self.idx_image], dtype=np.uint8), cv2.IMREAD_COLOR)
self.image = cv2.cvtColor(self.image, cv2.COLOR_BGR2RGB)
self.check_cropresize_preview_show_image('x')
elif event.key() in [QtCore.Qt.Key_W, QtCore.Qt.Key_S, QtCore.Qt.Key_A, QtCore.Qt.Key_D]:
if self.image_resize is not None:
idx_mag_select = 0
for idx_mag in range(self.ui.spinBox_num.value()):
if eval(f'self.ui.pushButton_position{idx_mag+1}.isChecked()'):
idx_mag_select = idx_mag
break
ratioOffsetX, ratioOffsetY = 0, 0
w_resize = self.ui.spinBox_resX.value()
h_resize = self.ui.spinBox_resY.value()
if w_resize > h_resize:
kx = 1
ky = w_resize / h_resize * kx
else:
ky = 1
kx = h_resize / w_resize * ky
if event.key() == QtCore.Qt.Key_W:
ratioOffsetY = -0.001 * ky
elif event.key() == QtCore.Qt.Key_S:
ratioOffsetY = 0.001 * ky
elif event.key() == QtCore.Qt.Key_A:
ratioOffsetX = -0.001 * kx
else:
ratioOffsetX = 0.001 * kx
self.ratioOffset[idx_mag_select][0] += ratioOffsetY
self.ratioOffset[idx_mag_select][1] += ratioOffsetX
self.check_preview_show_image('x')
elif event.key() in [QtCore.Qt.Key_1, QtCore.Qt.Key_2, QtCore.Qt.Key_3, QtCore.Qt.Key_4]:
if event.key() == QtCore.Qt.Key_1:
if self.ui.spinBox_num.value() > 0:
if not self.ui.pushButton_position1.isChecked():
self.ui.pushButton_position1.setChecked(True)
self.ui.lineEdit_message.setText('"mag 1" is activated.')
else:
self.ui.lineEdit_message.setText('"mag 1" is disabled.')
elif event.key() == QtCore.Qt.Key_2:
if self.ui.spinBox_num.value() > 1:
if not self.ui.pushButton_position2.isChecked():
self.ui.pushButton_position2.setChecked(True)
self.ui.lineEdit_message.setText('"mag 2" is activated.')
else:
self.ui.lineEdit_message.setText('"mag 2" is disabled.')
elif event.key() == QtCore.Qt.Key_3:
if self.ui.spinBox_num.value() > 2:
if not self.ui.pushButton_position3.isChecked():
self.ui.pushButton_position3.setChecked(True)
self.ui.lineEdit_message.setText('"mag 3" is activated.')
else:
self.ui.lineEdit_message.setText('"mag 3" is disabled.')
else:
if self.ui.spinBox_num.value() > 3:
if not self.ui.pushButton_position4.isChecked():
self.ui.pushButton_position4.setChecked(True)
self.ui.lineEdit_message.setText('"mag 4" is activated.')
else:
self.ui.lineEdit_message.setText('"mag 4" is disabled.')
elif event.key() == QtCore.Qt.Key_Escape:
items = self.ui.centralwidget.findChildren(QtWidgets.QWidget)
for item in items:
item.clearFocus()
def wheelEvent(self, event):
length = len(self.image_paths)
if length > 0:
if event.angleDelta().y() > 0:
if self.idx_image > 0:
self.idx_image -= 1
else:
self.ui.lineEdit_message.setText('This is the first image.')
return
elif event.angleDelta().y() < 0:
if self.idx_image < length - 1:
self.idx_image += 1
else:
self.ui.lineEdit_message.setText('This is the last image.')
return
self.image = cv2.imdecode(np.fromfile(self.image_paths[self.idx_image], dtype=np.uint8), cv2.IMREAD_COLOR)
self.image = cv2.cvtColor(self.image, cv2.COLOR_BGR2RGB)
self.check_cropresize_preview_show_image('x')
def resizeEvent(self, event):
self.show_image()
def closeEvent(self, event):
reply = QtWidgets.QMessageBox.question(self, 'Message', 'Are you sure to quit?',
QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No,
QtWidgets.QMessageBox.No)
if reply == QtWidgets.QMessageBox.Yes:
event.accept()
else:
event.ignore()
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
MainWindow = MyMainWindow()
# ui = MyMainWindow()
# ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())