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photo_editor.py
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photo_editor.py
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'''
Base program
'''
import sys
from Crypto.Hash import SHA256
from Crypto.Cipher import AES
from Crypto.Util.Padding import pad, unpad
from PyQt5 import QtWidgets, QtCore, QtGui
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
from PyQt5.QtGui import *
from PyQt5.QtCore import QFileInfo
from functools import partial
from img_modifier import img_helper
from img_modifier import color_filter
from PIL import ImageQt
from PIL import Image
from logging.config import fileConfig
import logging
import numpy as np
import os, os.path
logger = logging.getLogger()
# original img, can't be modified
_img_original = None
_img_preview = None
_img_path = None
# constants
THUMB_BORDER_COLOR_ACTIVE = "#3893F4"
THUMB_BORDER_COLOR = "#ccc"
BTN_MIN_WIDTH = 120
ROTATION_BTN_SIZE = (70, 30)
THUMB_SIZE = 120
SLIDER_MIN_VAL = -99
SLIDER_MAX_VAL = 100
SLIDER_DEF_VAL = 0
##
# @brief Class for image ooperations
#
# @details
# This class defines operations on images
#
class Operations:
def __init__(self):
self.color_filter = None
self.flip_left = False
self.flip_top = False
self.rotation_angle = 0
self.size = None
self.brightness = 0
self.sharpness = 0
self.contrast = 0
self.red = 1
self.green = 1
self.blue = 1
self.red_prev = 1
self.green_prev = 1
self.blue_prev = 1
def reset(self):
self.color_filter = None
self.brightness = 0
self.sharpness = 0
self.contrast = 0
self.size = None
self.flip_left = False
self.flip_top = False
self.rotation_angle = 0
self.red = 1
self.green = 1
self.blue = 1
self.red_prev = 1
self.green_prev = 1
self.blue_prev = 1
def has_changes(self):
return self.color_filter or self.flip_left \
or self.flip_top or self.rotation_angle \
or self.contrast or self.brightness \
or self.sharpness or self.size
operations = Operations()
def _get_ratio_height(width, height, r_width):
return int(r_width / width * height)
def _get_ratio_width(width, height, r_height):
return int(r_height / height * width)
def _get_converted_point(user_p1, user_p2, p1, p2, x):
"""
convert user ui slider selected value (x) to PIL value
user ui slider scale is -100 to 100, PIL scale is -1 to 2
example:
- user selected 50
- PIL value is 1.25
"""
r = (x - user_p1) / (user_p2 - user_p1)
return p1 + r * (p2 - p1)
def _get_img_with_all_operations():
b = operations.brightness
c = operations.contrast
s = operations.sharpness
img = _img_preview
if b != 0:
img = img_helper.brightness(img, b)
if c != 0:
img = img_helper.contrast(img, c)
if s != 0:
img = img_helper.sharpness(img, s)
if operations.rotation_angle:
img = img_helper.rotate(img, operations.rotation_angle)
if operations.flip_left:
img = img_helper.flip_left(img)
if operations.flip_top:
img = img_helper.flip_top(img)
if operations.size:
img = img_helper.resize(img, *operations.size)
if operations.red != operations.red_prev:
img = img_helper.hist_red(img, operations.red, operations.red_prev)
operations.red_prev = operations.red
if operations.green != operations.green_prev:
img = img_helper.hist_green(img, operations.green, operations.green_prev)
operations.green_prev = operations.green
if operations.blue != operations.blue_prev:
img = img_helper.hist_blue(img, operations.blue, operations.blue_prev)
operations.blue_prev = operations.blue
return img
def create_button(name, minWidth, connectFunction, enablestatus, stylesheet):
btnLoad = QtWidgets.QToolButton()
btnLoad.setText(name)
btnLoad.clicked.connect(connectFunction)
btnLoad.setEnabled(enablestatus)
btnLoad.setMinimumWidth(minWidth)
btnLoad.setStyleSheet("background-color:#BCB281; color: #202927;")
return btnLoad
def create_slider(obj, connectFunction):
obj.slider = QSlider(Qt.Horizontal, obj)
obj.slider.setMinimum(SLIDER_MIN_VAL)
obj.slider.setMaximum(SLIDER_MAX_VAL)
obj.slider.sliderReleased.connect(connectFunction)
obj.slider.setToolTip(str(SLIDER_MAX_VAL))
return obj.slider
##
# @brief Class for layout
#
# @details
# This class defines layout features of respective feaatures
#
class ActionTabs(QTabWidget):
"""Action tabs widget"""
def __init__(self, parent):
super().__init__()
self.parent = parent
self.filters_tab = FiltersTab(self)
self.adjustment_tab = AdjustingTab(self)
self.modification_tab = ModificationTab(self)
self.rotation_tab = RotationTab(self)
self.histogram_tab = HistogramTab(self)
self.security_tab = SecurityTab(self)
self.miscellaneous_tab = MiscellaneousTab(self)
self.addTab(self.filters_tab, "Filters")
self.addTab(self.adjustment_tab, "Adjust")
self.addTab(self.modification_tab, "Resize")
self.addTab(self.rotation_tab, "Rotation")
self.addTab(self.histogram_tab, "Histogram")
self.addTab(self.security_tab, "Security")
self.addTab(self.miscellaneous_tab, "Miscellaneous")
self.setMaximumHeight(160)
##
# @brief Class for adjustment features
#
# @details
# This class defines adjustment features like contrast
#
class RotationTab(QWidget):
"""Rotation tab widget"""
def __init__(self, parent):
super().__init__()
self.parent = parent
rotate_left_btn = QPushButton("↺ 90°")
rotate_left_btn.setMinimumSize(*ROTATION_BTN_SIZE)
rotate_left_btn.clicked.connect(self.on_rotate_left)
rotate_right_btn = QPushButton("↻ 90°")
rotate_right_btn.setMinimumSize(*ROTATION_BTN_SIZE)
rotate_right_btn.clicked.connect(self.on_rotate_right)
flip_left_btn = QPushButton("⇆")
flip_left_btn.setMinimumSize(*ROTATION_BTN_SIZE)
flip_left_btn.clicked.connect(self.on_flip_left)
flip_top_btn = QPushButton("↑↓")
flip_top_btn.setMinimumSize(*ROTATION_BTN_SIZE)
flip_top_btn.clicked.connect(self.on_flip_top)
rotate_lbl = QLabel("Rotate")
rotate_lbl.setAlignment(Qt.AlignCenter)
rotate_lbl.setFixedWidth(140)
flip_lbl = QLabel("Flip")
flip_lbl.setAlignment(Qt.AlignCenter)
flip_lbl.setFixedWidth(140)
lbl_layout = QHBoxLayout()
lbl_layout.setAlignment(Qt.AlignCenter)
lbl_layout.addWidget(rotate_lbl)
lbl_layout.addWidget(flip_lbl)
btn_layout = QHBoxLayout()
btn_layout.setAlignment(Qt.AlignCenter)
btn_layout.addWidget(rotate_left_btn)
btn_layout.addWidget(rotate_right_btn)
btn_layout.addWidget(QVLine())
btn_layout.addWidget(flip_left_btn)
btn_layout.addWidget(flip_top_btn)
main_layout = QVBoxLayout()
main_layout.setAlignment(Qt.AlignCenter)
main_layout.addLayout(lbl_layout)
main_layout.addLayout(btn_layout)
self.setLayout(main_layout)
def on_rotate_left(self):
logger.debug("rotate left")
operations.rotation_angle = 0 if operations.rotation_angle == 270 else operations.rotation_angle + 90
self.parent.parent.place_preview_img()
def on_rotate_right(self):
logger.debug("rotate left")
operations.rotation_angle = 0 if operations.rotation_angle == -270 else operations.rotation_angle - 90
self.parent.parent.place_preview_img()
def on_flip_left(self):
logger.debug("flip left-right")
operations.flip_left = not operations.flip_left
self.parent.parent.place_preview_img()
def on_flip_top(self):
logger.debug("flip top-bottom")
operations.flip_top = not operations.flip_top
self.parent.parent.place_preview_img()
##
# @brief Class for modifying images
#
# @details
# This class defines modification features like changng dimensions of images
#
class ModificationTab(QWidget):
"""Modification tab widget"""
def __init__(self, parent):
super().__init__()
self.parent = parent
self.width_lbl = QLabel('width:', self)
self.width_lbl.setFixedWidth(100)
self.height_lbl = QLabel('height:', self)
self.height_lbl.setFixedWidth(100)
self.width_box = QLineEdit(self)
self.width_box.textEdited.connect(self.on_width_change)
self.width_box.setMaximumWidth(100)
self.height_box = QLineEdit(self)
self.height_box.textEdited.connect(self.on_height_change)
self.height_box.setMaximumWidth(100)
self.unit_lbl = QLabel("px")
self.unit_lbl.setMaximumWidth(50)
self.ratio_check = QCheckBox('aspect ratio', self)
self.ratio_check.stateChanged.connect(self.on_ratio_change)
self.apply_btn = QPushButton("Apply")
self.apply_btn.setFixedWidth(90)
self.apply_btn.clicked.connect(self.on_apply)
width_layout = QHBoxLayout()
width_layout.addWidget(self.width_box)
width_layout.addWidget(self.height_box)
width_layout.addWidget(self.unit_lbl)
apply_layout = QHBoxLayout()
apply_layout.addWidget(self.apply_btn)
apply_layout.setAlignment(Qt.AlignRight)
lbl_layout = QHBoxLayout()
lbl_layout.setAlignment(Qt.AlignLeft)
lbl_layout.addWidget(self.width_lbl)
lbl_layout.addWidget(self.height_lbl)
main_layout = QVBoxLayout()
main_layout.setAlignment(Qt.AlignCenter)
main_layout.addLayout(lbl_layout)
main_layout.addLayout(width_layout)
main_layout.addWidget(self.ratio_check)
main_layout.addLayout(apply_layout)
self.setLayout(main_layout)
def set_boxes(self):
self.width_box.setText(str(_img_original.width))
self.height_box.setText(str(_img_original.height))
def on_width_change(self, e):
logger.debug(f"type width {self.width_box.text()}")
if self.ratio_check.isChecked():
r_height = _get_ratio_height(_img_original.width, _img_original.height, int(self.width_box.text()))
self.height_box.setText(str(r_height))
def on_height_change(self, e):
logger.debug(f"type height {self.height_box.text()}")
if self.ratio_check.isChecked():
r_width = _get_ratio_width(_img_original.width, _img_original.height, int(self.height_box.text()))
self.width_box.setText(str(r_width))
def on_ratio_change(self, e):
logger.debug("ratio change")
def on_apply(self, e):
logger.debug("apply")
operations.size = int(self.width_box.text()), int(self.height_box.text())
self.parent.parent.place_preview_img()
##
# @brief Class for adjustment features
#
# @details
# This class defines adjustment features like contrast
#
class AdjustingTab(QWidget):
"""Adjusting tab widget"""
def __init__(self, parent):
super().__init__()
self.parent = parent
contrast_lbl = QLabel("Contrast")
contrast_lbl.setAlignment(Qt.AlignCenter)
brightness_lbl = QLabel("Brightness")
brightness_lbl.setAlignment(Qt.AlignCenter)
sharpness_lbl = QLabel("Sharpness")
sharpness_lbl.setAlignment(Qt.AlignCenter)
self.contrast_slider = create_slider(self, self.on_contrast_slider_released)
self.brightness_slider = create_slider(self, self.on_brightness_slider_released)
self.sharpness_slider = create_slider(self, self.on_sharpness_slider_released)
main_layout = QVBoxLayout()
main_layout.setAlignment(Qt.AlignCenter)
main_layout.addWidget(contrast_lbl)
main_layout.addWidget(self.contrast_slider)
main_layout.addWidget(brightness_lbl)
main_layout.addWidget(self.brightness_slider)
main_layout.addWidget(sharpness_lbl)
main_layout.addWidget(self.sharpness_slider)
self.reset_sliders()
self.setLayout(main_layout)
def reset_sliders(self):
self.brightness_slider.setValue(SLIDER_DEF_VAL)
self.sharpness_slider.setValue(SLIDER_DEF_VAL)
self.contrast_slider.setValue(SLIDER_DEF_VAL)
def on_contrast_slider_released(self):
logger.debug(self.contrast_slider.value())
self.contrast_slider.setToolTip(str(self.contrast_slider.value()))
factor = _get_converted_point(SLIDER_MIN_VAL, SLIDER_MAX_VAL, img_helper.CONTRAST_FACTOR_MIN,
img_helper.CONTRAST_FACTOR_MAX, self.contrast_slider.value())
logger.debug(f"contrast factor: {factor}")
operations.contrast = factor
self.parent.parent.place_preview_img()
def on_brightness_slider_released(self):
logger.debug(f"brightness selected value: {self.brightness_slider.value()}")
self.brightness_slider.setToolTip(str(self.brightness_slider.value()))
factor = _get_converted_point(SLIDER_MIN_VAL, SLIDER_MAX_VAL, img_helper.BRIGHTNESS_FACTOR_MIN,
img_helper.BRIGHTNESS_FACTOR_MAX, self.brightness_slider.value())
logger.debug(f"brightness factor: {factor}")
operations.brightness = factor
self.parent.parent.place_preview_img()
def on_sharpness_slider_released(self):
logger.debug(self.sharpness_slider.value())
self.sharpness_slider.setToolTip(str(self.sharpness_slider.value()))
factor = _get_converted_point(SLIDER_MIN_VAL, SLIDER_MAX_VAL, img_helper.SHARPNESS_FACTOR_MIN,
img_helper.SHARPNESS_FACTOR_MAX, self.sharpness_slider.value())
logger.debug(f"sharpness factor: {factor}")
operations.sharpness = factor
self.parent.parent.place_preview_img()
##
# @brief Class for histogram adjustment
#
# @details
# This class defines histogram adjustments like redness
#
class HistogramTab(QWidget):
"""Histogram tab widget"""
def __init__(self, parent):
super().__init__()
self.parent = parent
red_lbl = QLabel("Red")
red_lbl.setAlignment(Qt.AlignCenter)
green_lbl = QLabel("Green")
green_lbl.setAlignment(Qt.AlignCenter)
blue_lbl = QLabel("Blue")
blue_lbl.setAlignment(Qt.AlignCenter)
self.red_slider = create_slider(self, self.on_red_slider_released)
self.green_slider = create_slider(self, self.on_green_slider_released)
self.blue_slider = create_slider(self, self.on_blue_slider_released)
main_layout = QVBoxLayout()
main_layout.setAlignment(Qt.AlignCenter)
main_layout.addWidget(red_lbl)
main_layout.addWidget(self.red_slider)
main_layout.addWidget(green_lbl)
main_layout.addWidget(self.green_slider)
main_layout.addWidget(blue_lbl)
main_layout.addWidget(self.blue_slider)
self.reset_sliders()
self.setLayout(main_layout)
def reset_sliders(self):
self.red_slider.setValue(SLIDER_DEF_VAL)
self.green_slider.setValue(SLIDER_DEF_VAL)
self.blue_slider.setValue(SLIDER_DEF_VAL)
def on_red_slider_released(self):
logger.debug(f"red selected value: {self.red_slider.value()}")
self.red_slider.setToolTip(str(self.red_slider.value()))
factor = (self.red_slider.value() + SLIDER_MAX_VAL) / SLIDER_MAX_VAL
logger.debug(f"red factor: {factor}")
operations.red = factor
self.parent.parent.place_preview_img()
def on_green_slider_released(self):
logger.debug(f"green selected value: {self.green_slider.value()}")
self.green_slider.setToolTip(str(self.green_slider.value()))
factor = (self.green_slider.value() + SLIDER_MAX_VAL) / SLIDER_MAX_VAL
logger.debug(f"green factor: {factor}")
operations.green = factor
self.parent.parent.place_preview_img()
def on_blue_slider_released(self):
logger.debug(f"blue selected value: {self.blue_slider.value()}")
self.blue_slider.setToolTip(str(self.blue_slider.value()))
factor = (self.blue_slider.value() + SLIDER_MAX_VAL) / SLIDER_MAX_VAL
logger.debug(f"blue factor: {factor}")
operations.blue = factor
self.parent.parent.place_preview_img()
class FiltersTab(QWidget):
"""Color filters widget"""
def __init__(self, parent):
super().__init__()
self.parent = parent
self.main_layout = QHBoxLayout()
self.main_layout.setAlignment(Qt.AlignCenter)
self.add_filter_thumb("none")
for key, val in color_filter.ColorFilters.filters.items():
self.add_filter_thumb(key, val)
self.setLayout(self.main_layout)
def add_filter_thumb(self, name, title=""):
logger.debug(f"create lbl thumb for: {name}")
thumb_lbl = QLabel()
thumb_lbl.name = name
thumb_lbl.setStyleSheet("border:2px solid #ccc;")
if name != "none":
thumb_lbl.setToolTip(f"Apply <b>{title}</b> filter")
else:
thumb_lbl.setToolTip('No filter')
thumb_lbl.setCursor(Qt.PointingHandCursor)
thumb_lbl.setFixedSize(THUMB_SIZE, THUMB_SIZE)
thumb_lbl.mousePressEvent = partial(self.on_filter_select, name)
self.main_layout.addWidget(thumb_lbl)
def on_filter_select(self, filter_name, e):
logger.debug(f"apply color filter: {filter_name}")
global _img_preview
if filter_name != "none":
_img_preview = img_helper.color_filter(_img_original, filter_name)
else:
_img_preview = _img_original.copy()
operations.color_filter = filter_name
self.toggle_thumbs()
self.parent.parent.place_preview_img()
def toggle_thumbs(self):
for thumb in self.findChildren(QLabel):
color = THUMB_BORDER_COLOR_ACTIVE if thumb.name == operations.color_filter else THUMB_BORDER_COLOR
thumb.setStyleSheet(f"border:2px solid {color};")
##
# @brief Class for security features
#
# @details
# This class defines security features like encryption and decryption
#
class SecurityTab(QWidget):
def __init__(self, parent):
super().__init__()
self.parent = parent
self.encryption_btn = create_button("One Click Encryption", BTN_MIN_WIDTH + 10, self.encrypt, True,
"font-weight:bold;")
self.decryption_btn = create_button("One Click Decryption", BTN_MIN_WIDTH + 10, self.decrypt, True,
"font-weight:bold;")
# Create textbox
self.textbox1 = QLineEdit(self)
self.textbox1.move(250, 100)
self.textbox1.resize(280, 20)
self.textbox1.setPlaceholderText("Password Here")
# Create textbox
self.textbox2 = QLineEdit(self)
self.textbox2.move(540, 100)
self.textbox2.resize(280, 20)
self.textbox2.setPlaceholderText("New File Name (without any extension)")
btn_layout = QHBoxLayout()
btn_layout.setAlignment(Qt.AlignCenter)
btn_layout.addWidget(self.encryption_btn)
btn_layout.addWidget(self.decryption_btn)
main_layout = QVBoxLayout()
main_layout.setAlignment(Qt.AlignCenter)
main_layout.addLayout(btn_layout)
self.setLayout(main_layout)
def encrypt(self):
textboxValue1 = self.textbox1.text()
textboxValue2 = self.textbox2.text()
h = SHA256.new()
password = textboxValue1.encode()
h.update(password)
hash = h.digest()
key = hash[:16]
iv = hash[16:]
logger.debug(_img_path)
ext = _img_path.split(os.path.sep)[-1].split('.')[-1]
padding = 8 - len(ext)
message = ext.encode() + (chr(padding) * padding).encode()
with open(_img_path, "rb") as f:
message += f.read()
aes = AES.new(key, AES.MODE_CBC, iv)
cipher = aes.encrypt(pad(message, AES.block_size))
with open((os.path.sep).join(_img_path.split(os.path.sep)[:-1]) + os.path.sep + textboxValue2 + ".ima",
"wb") as f:
f.write(cipher)
def decrypt(self):
textboxValue1 = self.textbox1.text()
textboxValue2 = self.textbox2.text()
h = SHA256.new()
password = textboxValue1.encode()
h.update(password)
hash = h.digest()
key = hash[:16]
iv = hash[16:]
logger.debug(_img_path)
with open(_img_path, "rb") as f:
cipher = f.read()
aes = AES.new(key, AES.MODE_CBC, iv)
message = aes.decrypt(cipher)
message = unpad(message, AES.block_size)
ext = message[:8 - message[7]]
message = message[8:]
with open(
os.path.sep.join(_img_path.split(os.path.sep)[:-1]) + os.path.sep + textboxValue2 + "." + ext.decode(),
"wb") as f:
f.write(message)
##
# @brief Class for miscellaneous purposes
#
# @details
# This class defines miscellaeneous features like color pop
#
class MiscellaneousTab(QWidget):
def __init__(self, parent):
super().__init__()
self.parent = parent
self.colorpop_btn = create_button("Color Pop", BTN_MIN_WIDTH, self.on_colorpop, True, "font-weight:bold;")
btn_layout = QHBoxLayout()
btn_layout.setAlignment(Qt.AlignCenter)
btn_layout.addWidget(self.colorpop_btn)
main_layout = QVBoxLayout()
main_layout.setAlignment(Qt.AlignCenter)
main_layout.addLayout(btn_layout)
self.setLayout(main_layout)
def on_colorpop(self):
self.parent.parent.captureMouseClick = True
pass
##
# @brief Photo display class
#
# @details
# This class defines the environment for the dosplay of the image
#
class PhotoViewer(QtWidgets.QGraphicsView):
photoClicked = QtCore.pyqtSignal(QtCore.QPoint)
def __init__(self, parent):
self.parent = parent
super(PhotoViewer, self).__init__(parent)
self._zoom = 0
self._empty = True
self._scene = QtWidgets.QGraphicsScene(self)
self._photo = QtWidgets.QGraphicsPixmapItem()
self._scene.addItem(self._photo)
self.setScene(self._scene)
self.setTransformationAnchor(QtWidgets.QGraphicsView.AnchorUnderMouse)
self.setResizeAnchor(QtWidgets.QGraphicsView.AnchorUnderMouse)
self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.setBackgroundBrush(QtGui.QBrush(QtGui.QColor(222, 214, 181)))
self.setFrameShape(QtWidgets.QFrame.NoFrame)
def hasPhoto(self):
return not self._empty
def fitInView(self, scale=True):
rect = QtCore.QRectF(self._photo.pixmap().rect())
if not rect.isNull():
self.setSceneRect(rect)
if self.hasPhoto():
unity = self.transform().mapRect(QtCore.QRectF(0, 0, 1, 1))
self.scale(1 / unity.width(), 1 / unity.height())
viewrect = self.viewport().rect()
scenerect = self.transform().mapRect(rect)
factor = min(viewrect.width() / scenerect.width(),
viewrect.height() / scenerect.height())
self.scale(factor, factor)
self._zoom = 0
def setPhoto(self, pixmap=None):
self._zoom = 0
if pixmap and not pixmap.isNull():
self._empty = False
self.setDragMode(QtWidgets.QGraphicsView.ScrollHandDrag)
self._photo.setPixmap(pixmap)
else:
self._empty = True
self.setDragMode(QtWidgets.QGraphicsView.NoDrag)
self._photo.setPixmap(QtGui.QPixmap())
self.fitInView()
def wheelEvent(self, event):
if self.hasPhoto():
if event.angleDelta().y() > 0:
factor = 1.25
self._zoom += 1
else:
factor = 0.8
self._zoom -= 1
if self._zoom > 0:
self.scale(factor, factor)
elif self._zoom == 0:
self.fitInView()
else:
self._zoom = 0
def toggleDragMode(self):
if self.dragMode() == QtWidgets.QGraphicsView.ScrollHandDrag:
self.setDragMode(QtWidgets.QGraphicsView.NoDrag)
elif not self._photo.pixmap().isNull():
self.setDragMode(QtWidgets.QGraphicsView.ScrollHandDrag)
def mousePressEvent(self, event):
if self._photo.isUnderMouse() and self.parent.captureMouseClick:
print(self.mapToScene(event.pos()).toPoint())
x = self.mapToScene(event.pos()).toPoint().x()
y = self.mapToScene(event.pos()).toPoint().y()
global _img_preview
im = np.array(_img_preview)
im2 = im[:, :, :]
arr = im[y, x, :]
_img_preview = img_helper.color_filter(_img_preview, "gray")
im = np.array(_img_preview)
im[:, :] = np.where(im2[:, :] == arr, arr, im[:, :])
_img_preview = Image.fromarray(im)
preview_pix = ImageQt.toqpixmap(_img_preview)
self.setPhoto(preview_pix)
self.photoClicked.emit(self.mapToScene(event.pos()).toPoint())
self.parent.captureMouseClick = False
super(PhotoViewer, self).mousePressEvent(event)
##
# @brief Base class
#
# @details
# This class defines the basic UI structure for other components.
#
class ImageicaUI(QtWidgets.QWidget):
"""Main widget"""
def __init__(self):
super(ImageicaUI, self).__init__()
self.captureMouseClick = False
self._empty = False
self.image_list = []
self.name = None
self.viewer = PhotoViewer(self)
VBlayout = QtWidgets.QVBoxLayout(self)
VBlayout.addWidget(self.viewer)
self.action_tabs = ActionTabs(self)
VBlayout.addWidget(self.action_tabs)
self.action_tabs.setVisible(False)
self.file_name = None
self.path = os.getcwd()
self.load_btn = create_button("Load", BTN_MIN_WIDTH, self.on_load, True, "font-weight:bold;")
self.Next_btn = create_button("Next", BTN_MIN_WIDTH, self.next_image, False, "font-weight:bold;")
self.Previous_btn = create_button("Previous", BTN_MIN_WIDTH, self.previous_image, False, "font-weight:bold;")
self.reset_btn = create_button("Reset", BTN_MIN_WIDTH, self.on_reset, False, "font-weight:bold;")
self.save_btn = create_button("Save", BTN_MIN_WIDTH, self.on_save, False, "font-weight:bold;")
HBlayout = QtWidgets.QHBoxLayout()
HBlayout.addWidget(self.load_btn)
HBlayout.addWidget(self.reset_btn)
HBlayout.addWidget(self.Previous_btn)
HBlayout.addWidget(self.Next_btn)
HBlayout.addWidget(self.save_btn)
VBlayout.addLayout(HBlayout)
self.setMinimumSize(600, 500)
self.setMaximumSize(1300, 1600)
self.setGeometry(1000, 1000, 1100, 650)
self.setWindowTitle('Image-ica : The Photo Viewer & Editor')
self.center()
self.setStyleSheet("background-color:#DED6B5;")
self.setWindowIcon(QIcon('icon.png'))
self.show()
def center(self):
"""align window center"""
qr = self.frameGeometry()
cp = QDesktopWidget().availableGeometry().center()
qr.moveCenter(cp)
self.move(qr.topLeft())
def closeEvent(self, event):
logger.debug("close")
if operations.has_changes():
reply = QMessageBox.question(self, "",
"You have unsaved changes<br>Are you sure you want to Exit?",
QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
if reply == QMessageBox.Yes:
event.accept()
else:
event.ignore()
def resizeEvent(self, e):
pass
def place_preview_img(self):
img = _get_img_with_all_operations()
preview_pix = ImageQt.toqpixmap(img)
self.viewer.setPhoto(preview_pix)
def on_save(self):
logger.debug("open save dialog")
new_img_path, _ = QtWidgets.QFileDialog.getSaveFileName(None,
"QFileDialog.getSaveFileName()",
f"ez_pz_{self.name}",
"Images (*.png *.jpg *.ima)")
if new_img_path:
logger.debug(f"save output image to {new_img_path}")
img = _get_img_with_all_operations()
img.save(new_img_path)
def on_nothing(self):
pass
def next_image(self):
logger.debug("Next")
ind = self.image_list.index(self.name)
if ind + 1 != len(self.image_list):
if operations.has_changes():
reply = QMessageBox.question(win, "",
"You have unsaved changes<br>Do you want to save?",
QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
if reply == QMessageBox.Yes:
self.on_save()
operations.reset()
self.path = self.image_list[ind + 1]
self.load_image(self.path)
else:
self.Next_btn.setEnabled(False)
self.Previous_btn.setEnabled(True)
def previous_image(self):
logger.debug("Previous")
ind = self.image_list.index(self.name)
if ind - 1 >= 0:
if operations.has_changes():
reply = QMessageBox.question(win, "",
"You have unsaved changes<br>Do you want to save?",
QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
if reply == QMessageBox.Yes:
self.on_save()
operations.reset()
self.path = self.image_list[ind - 1]
self.load_image(self.path)
else:
self.Previous_btn.setEnabled(False)
self.Next_btn.setEnabled(True)
def on_load(self):
logger.debug("load")
img_path, _ = QtWidgets.QFileDialog.getOpenFileName(None, "Open image",
self.path, "Images (*.png *.jpg *.ima)")
if img_path:
logger.debug(f"open file {img_path}")
self.path = QFileInfo(img_path).path()
logger.debug(self.path)
valid_images = [".jpg", ".png", ".ima"]
for f in os.listdir(self.path):
ext = os.path.splitext(f)[1]
if ext.lower() not in valid_images:
continue
self.image_list.append(os.path.join(self.path, f).replace("\\", "/"))
self.reset_btn.setEnabled(True)
self.save_btn.setEnabled(True)
self.Next_btn.setEnabled(True)
self.Previous_btn.setEnabled(True)
self.load_image(img_path)
def load_image(self, img_path):
self.viewer.setPhoto(QtGui.QPixmap(img_path))
self._empty = False
logger.debug(f"open file {img_path}")
self.name = img_path
print(self.name)
global _img_path
_img_path = self.name
pix = QPixmap(img_path)
self.action_tabs.setVisible(True)
self.action_tabs.adjustment_tab.reset_sliders()
self.action_tabs.histogram_tab.reset_sliders()
global _img_original
_img_original = ImageQt.fromqpixmap(pix)
if _img_original.width < _img_original.height:
w = THUMB_SIZE
h = _get_ratio_height(_img_original.width, _img_original.height, w)
else:
h = THUMB_SIZE
w = _get_ratio_width(_img_original.width, _img_original.height, h)
img_filter_thumb = img_helper.resize(_img_original, w, h)
global _img_preview
_img_preview = _img_original.copy()
for thumb in self.action_tabs.filters_tab.findChildren(QLabel):
if thumb.name != "none":
img_filter_preview = img_helper.color_filter(img_filter_thumb, thumb.name)
else:
img_filter_preview = img_filter_thumb
preview_pix = ImageQt.toqpixmap(img_filter_preview)
thumb.setPixmap(preview_pix)
self.action_tabs.modification_tab.set_boxes()
def on_reset(self):
logger.debug("reset all")
global _img_preview
_img_preview = _img_original.copy()