"""
视觉效果：改变图像亮度、对比度，增强锐化、灰色模式等等。

# lzy #
"""

from PIL import Image, ImageFilter, ImageEnhance
from tkinter import *

import UI
from VariableFrame import VariableFrame

#
class VisualFrame(VariableFrame):
    def __init__(self, canv, master=None):
        VariableFrame.__init__(self, canv, master)
        
        self.placeWidget()
        
        
    def placeWidget(self):
        """
            放置控件
        """
        bcolor = UI.bg
        fcolor = UI.fg
        w = UI.rightWidth-12
        h = 25
        f = UI.font
        fy = 5
        dy = h+8
        fx = 0
        sx = 130
        
        i=0
        btn1 = Button(self, text="调亮",
                      bg=bcolor, fg=fcolor,
                      bitmap=UI.viewBmp, compound='left',
                      width=w, height=h,
                      font=f,
                      command=lambda:self.bright())
        btn1.place(x=fx, y=fy+i*dy)
        
        i += 1
        btn2 = Button(self, text="调暗",
                      bg=bcolor, fg=fcolor,
                      bitmap=UI.viewBmp, compound='left',
                      width=w, height=h,
                      font=f,
                      command=lambda:self.dimming())
        btn2.place(x=fx, y=fy+i*dy)
        
        i += 1
        btn3 = Button(self, text="黑白模式",
                      bg=bcolor, fg=fcolor,
                      bitmap=UI.viewBmp, compound='left',
                      width=w, height=h,
                      font=f,
                      command=lambda:self.bw())
        btn3.place(x=fx, y=fy+i*dy)
        
        i += 1
        btn3 = Button(self, text="对比度减弱",
                      bg=bcolor, fg=fcolor,
                      bitmap=UI.viewBmp, compound='left',
                      width=w, height=h,
                      font=f,
                      command=lambda:self.color1())
        btn3.place(x=fx, y=fy+i*dy)
        
        i += 1
        btn3 = Button(self, text="对比度增强",
                      bg=bcolor, fg=fcolor,
                      bitmap=UI.viewBmp, compound='left',
                      width=w, height=h,
                      font=f,
                      command=lambda:self.color2())
        btn3.place(x=fx, y=fy+i*dy)
        
        i += 1
        btn3 = Button(self, text="模糊化",
                      bg=bcolor, fg=fcolor,
                      bitmap=UI.viewBmp, compound='left',
                      width=w, height=h,
                      font=f,
                      command=lambda:self.sharpness1())
        btn3.place(x=fx, y=fy+i*dy)
        
        i += 1
        btn3 = Button(self, text="锐化",
                      bg=bcolor, fg=fcolor,
                      bitmap=UI.viewBmp, compound='left',
                      width=w, height=h,
                      font=f,
                      command=lambda:self.sharpness2())
        btn3.place(x=fx, y=fy+i*dy)
        
    
        
    def bright(self):#调亮
        img1 =  ImageEnhance.Brightness(self.canv.img).enhance(1.2)
        self.canv.refresh(img1)
    def dimming(self):#调暗
        img2 =  ImageEnhance.Brightness(self.canv.img).enhance(0.83)
        self.canv.refresh(img2)
    def bw(self):#黑白模式
        img3=   ImageEnhance.Color(self.canv.img).enhance(0.0)
        self.canv.refresh(img3)
    def color1(self):#对比度减弱
        img4=   ImageEnhance.Color(self.canv.img).enhance(0.83)
        self.canv.refresh(img4)
    def color2(self):#对比度增强
        img5 = ImageEnhance.Color(self.canv.img).enhance(1.2)
        self.canv.refresh(img5)
    def sharpness1(self):#模糊化
        img6=   ImageEnhance.Sharpness(self.canv.img).enhance(0.66)
        self.canv.refresh(img6)
    def sharpness2(self):#锐化
        img7=   ImageEnhance.Sharpness(self.canv.img).enhance(1.5)
        self.canv.refresh(img7)

#