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main.py
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main.py
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import customtkinter as ctk
from Image_widgets import *
from PIL import Image, ImageTk, ImageOps, ImageEnhance, ImageFilter
from menu import Menu
class App(ctk.CTk):
def __init__(self):
# setup
super().__init__()
ctk.set_appearance_mode('dark')
self.geometry('1000x600')
self.title('Dark Room')
self.minsize(800, 500)
self.init_parameters()
# layout
self.rowconfigure(0, weight = 1)
self.columnconfigure(0, weight = 2, uniform= 'a')
self.columnconfigure(1, weight = 6, uniform= 'a')
#canvas data
self.image_width = 0
self.image_height = 0
self.canvas_width = 0
self.canvas_height = 0
# widgets
self.image_import = ImageImport(self, self.import_image)
# ImportButton (Frame with a button)
# run
self.mainloop()
def init_parameters(self):
self.pos_vars = {
'rotate': ctk.DoubleVar(value = ROTATE_DEFAULT),
'zoom': ctk.DoubleVar(value = ZOOM_DEFAULT),
'flip': ctk.StringVar(value=FLIP_OPTIONS[0])
}
self.color_vars = {
'brightness': ctk.DoubleVar(value = BRIGHTNESS_DEFAULT),
'greyscale': ctk.BooleanVar(value= GREYSCALE_DEFAULT),
'invert': ctk.BooleanVar(value= INVERT_DEFAULT),
'vibrance': ctk.DoubleVar(value= VIBRANCE_DEFAULT),
}
self.effect_vars = {
'blur': ctk.DoubleVar(value=BLUR_DEFAULT),
'contrast': ctk.IntVar(value= CONTRAST_DEFAULT),
'effect': ctk.StringVar(value=EFFECT_OPTIONS[0])
}
combined_vars = list(self.pos_vars.values()) +\
list(self.color_vars.values()) +\
list(self.effect_vars.values())
for var in combined_vars:
var.trace('w', self.manipulate_image)
def manipulate_image(self, *args):
self.image = self.original
#rotate
if self.pos_vars['rotate'].get() != ROTATE_DEFAULT:
self.image = self.image.rotate(self.pos_vars['rotate'].get())
#zoom
if self.pos_vars['zoom'].get() != ZOOM_DEFAULT:
self.image = self.zoom_image(self.image, self.pos_vars['zoom'].get())
#flip
if self.pos_vars['flip'].get() != FLIP_OPTIONS[0]:
if self.pos_vars['flip'].get() == 'X':
self.image = ImageOps.mirror(self.image)
if self.pos_vars['flip'].get() == 'Y':
self.image = ImageOps.flip(self.image)
if self.pos_vars['flip'].get() == 'Both':
self.image = ImageOps.flip(self.image)
self.image = ImageOps.mirror(self.image)
#brightness and vibrance
if self.color_vars['brightness'].get() != BRIGHTNESS_DEFAULT:
brightness_enhancer = ImageEnhance.Brightness(self.image)
self.image = brightness_enhancer.enhance(self.color_vars['brightness'].get())
if self.color_vars['vibrance'].get() != VIBRANCE_DEFAULT:
vibrance_enhancer = ImageEnhance.Color(self.image)
self.image = vibrance_enhancer.enhance(self.color_vars['vibrance'].get())
#invert and greyscale
if self.color_vars['greyscale'].get():
self.image = ImageOps.grayscale(self.image)
if self.color_vars['invert'].get():
self.image = ImageOps.invert(self.image)
#blur contrast
if self.effect_vars['blur'].get() != BLUR_DEFAULT:
self.image = self.image.filter(ImageFilter.GaussianBlur(self.effect_vars['blur'].get()))
if self.effect_vars['contrast'].get() != CONTRAST_DEFAULT:
self.image = self.image.filter(ImageFilter.UnsharpMask(self.effect_vars['contrast'].get()))
if self.effect_vars['effect'].get() == 'Emboss':
self.image = self.image.filter(ImageFilter.EMBOSS)
elif self.effect_vars['effect'].get() == 'Find edges':
self.image = self.image.filter(ImageFilter.FIND_EDGES)
elif self.effect_vars['effect'].get() == 'Contour':
self.image = self.image.filter(ImageFilter.CONTOUR)
elif self.effect_vars['effect'].get() == 'Edge enhance':
self.image = self.image.filter(ImageFilter.EDGE_ENHANCE_MORE)
self.place_image()
def import_image(self, path):
self.original = Image.open(path)
self.image = self.original
self.image_ratio = self.image.size[0] / self.image.size[1]
self.image_tk = ImageTk.PhotoImage(self.image)
self.image_import.grid_forget()
self.image_output = ImageOutput(self, self.resize_image)
self.close_button = CloseOutput(self,self.close_edit)
self.menu = Menu(self, self.pos_vars, self.color_vars, self.effect_vars, self.export_image)
def close_edit(self):
self.image_output.grid_forget()
self.close_button.place_forget()
self.menu.grid_forget()
self.image_import = ImageImport(self, self.import_image)
def resize_image(self, event):
#curr ratio of canvas
canvas_ratio = event.width / event.height
#update canvas attributes
self.canvas_width = event.width
self.canvas_height = event.height
#resize
if canvas_ratio > self.image_ratio:
self.image_height = int(event.height)
self.image_width = int(self.image_height * self.image_ratio)
else:
self.image_width = int(event.width)
self.image_height = int(self.image_width / self.image_ratio)
self.place_image()
def place_image(self):
self.image_output.delete('all')
resized_image = self.image.resize((self.image_width, self.image_height))
self.image_tk = ImageTk.PhotoImage(resized_image)
self.image_output.create_image(self.canvas_width/2, self.canvas_height/2, image = self.image_tk)
def zoom_image(self, image, zoom, center=None):
zoom_factor = 1 - zoom / 201
zoomed_size = (int(image.width * zoom_factor), int(image.height * zoom_factor))
if center is None:
center = (image.width // 2, image.height // 2)
else:
center = (min(max(center[0], 0), image.width - 1),
min(max(center[1], 0), image.height - 1))
left = center[0] - zoomed_size[0] // 2
top = center[1] - zoomed_size[1] // 2
right = left + zoomed_size[0]
bottom = top + zoomed_size[1]
cropped_image = image.crop((left, top, right, bottom))
return cropped_image
def export_image(self, name, file, path):
export_string = f'{path}/{name}.{file}'
self.image.save(export_string)
App()