如何使用python制作一款屏幕颜色提取器，附带exe文件

0使用效果

如下面动图所示，点击取色按钮后，将鼠标移动到想要取色的位置，等待两秒即可取色：

点击save color按钮可以将颜色存储到color library区域，同时如图所示，

! ! ! !红框内所有的方形元件其实都是按钮，点击后能获得颜色信息 ! ! ! !

信息格式为：(173, 189, 163) #ADBDA3 (48, 35, 189)

1所需python包

• PySide2
• pyautogui
• pyperclip
• ctypes

from PySide2.QtWidgets import QApplication,QWidget,QLineEditfrom PySide2.QtWidgets import QLabel,QPushButtonfrom PySide2.QtGui import QIcon,QFontfrom PySide2.QtCore import Qtimport syssys.path.append("...")import timeimport pyautogui as pagimport pyperclipfrom ctypes import *

2python小技巧

2.1控件数组

和matlab一样，python得控件也能构成数组，例如我在创建小颜色框时，是这么写的：

# 存储颜色框for i in range(0,2):    for j in range(0,10):        storeColorBox=QPushButton(self)        storeColorBox.setGeometry((0.04+0.093*j)*Width,(0.475+0.07*i)*Height,0.08*Width,0.06*Height)        storeColorBox.setStyleSheet(self.SS_Color_Box)        storeColorBox.setProperty("storeId",i*10+j)        storeColorBox.setProperty("Color","#FFFFFF")        storeColorBox.clicked.connect(self.selectedStore)        self.storeList.append(storeColorBox)

就是将各个颜色框存入了self.storeList这个数组，
想要例如想要调用第i个颜色框，就可以这么写：

storeBox=self.storeList[i]

2.2将控件作为属性

将控件控件作为属性赋给另一个控件
因为我们想要点击左侧标签时获得对应文本框内信息：

就可以这么写（举个例子）：

# 创建文本框self.CB1=QLineEdit(self) self.CB1.setText("255,255,255") self.CB1.move(0.62*Width,0.03*Height)  self.CB1.resize(0.35*Width,0.065*Height)self.CB1.setFont(qf)self.CB1.setStyleSheet(self.SS_Inf_Box)# 创建标签self.CL1=QPushButton(self)self.CL1.setGeometry(0.448*Width,0.025*Height,0.14*Width,0.075*Height)self.CL1.setStyleSheet(self.SS_Inf_Label)self.CL1.setText("RGB")self.CL1.setFont(qf)self.CL1.setProperty("Children",self.CB1) # 把控件作为属性self.CL1.clicked.connect(self.copyInf)# 与回调函数相连

然后我的回调函数是这样写的：

def copyInf(self):	infLabel=self.sender()	infBox=infLabel.property("Children") # 通过找到属性找到对应控件	pyperclip.copy(infBox.text())

2.3怎样重设控件颜色

还是通过setStyleSheet设置嗷，不过把字符串部分应该放颜色的部分换成了要重设的颜色：

self.mainBox.setStyleSheet("QPushButton{background:"+self.curColor_HEX        +";border: 3px solid rgb(150,150,150);border-radius:8px}")

2.4一些用到的字符串操作

字符串字母大写

STR=STR.upper()

字符串去掉空格
例如把(10, 50, 255)变为(10,50,255)

STR=STR.replace(" ", "")

字符串去掉两头括号
例如把(10,50,255)变为10,50,255

STR=STR[1:-1]

2.5鼠标位置像素颜色

如何获得当前鼠标位置像素颜色

import pyautogui as pagfrom ctypes import *x,y=pag.position()RGB=get_color(x,y)# 获取x,y位置像素颜色def get_color(x, y):    gdi32 = windll.gdi32    user32 = windll.user32    hdc = user32.GetDC(None)  # 获取颜色值    pixel = gdi32.GetPixel(hdc, x, y)  # 提取RGB值    r = pixel & 0x0000ff    g = (pixel & 0x00ff00) >> 8    b = pixel >> 16    return [r, g, b]

2.6窗口始终置顶

self.setWindowFlags(Qt.WindowStaysOnTopHint) 

2.7文本框不允许编辑但允许复制

用setFocusPolicy(Qt.NoFocus)，例如程序中：

self.CB1.setFocusPolicy(Qt.NoFocus)self.CB2.setFocusPolicy(Qt.NoFocus)self.CB3.setFocusPolicy(Qt.NoFocus)

3完整代码

from PySide2.QtWidgets import QApplication,QWidget,QLineEditfrom PySide2.QtWidgets import QLabel,QPushButtonfrom PySide2.QtGui import QIcon,QFontfrom PySide2.QtCore import Qtimport syssys.path.append("...")import timeimport pyautogui as pagimport pyperclipfrom ctypes import *# ===========================================================================================# 相关函数：# 获取x,y位置像素颜色def get_color(x, y):    gdi32 = windll.gdi32    user32 = windll.user32    hdc = user32.GetDC(None)  # 获取颜色值    pixel = gdi32.GetPixel(hdc, x, y)  # 提取RGB值    r = pixel & 0x0000ff    g = (pixel & 0x00ff00) >> 8    b = pixel >> 16    return [r, g, b]# HEX转RGBdef hex2rgb(hexcolor):    """HEX转RGB    :param hexcolor: int or str    :return: Tuple[int, int, int]    >>> hex2rgb(16777215)    (255, 255, 255)    >>> hex2rgb("0xffffff")    (255, 255, 255)    """    hexcolor = int(hexcolor, base=16) if isinstance(hexcolor, str) else hexcolor    rgb = ((hexcolor >> 16) & 0xff, (hexcolor >> 8) & 0xff, hexcolor & 0xff)    return rgb# RGB转HEXdef rgb2hex(r, g, b):    color = "#"    color += str(hex(r)).replace("x","0")[-2:]    color += str(hex(g)).replace("x","0")[-2:]    color += str(hex(b)).replace("x","0")[-2:]    return color# RGB转HSVdef rgb2hsv(r, g, b):    r, g, b = r/255.0, g/255.0, b/255.0    mx = max(r, g, b)    mn = min(r, g, b)    m = mx-mn    if mx == mn:        h = 0    elif mx == r:        if g >= b:            h = ((g-b)/m)*60        else:            h = ((g-b)/m)*60 + 360    elif mx == g:        h = ((b-r)/m)*60 + 120    elif mx == b:        h = ((r-g)/m)*60 + 240    if mx == 0:        s = 0    else:        s = m/mx    v = mx    H = h / 2    S = s * 255.0    V = v * 255.0    return (round(H), round(S), round(V))# ===========================================================================================# 窗口类：class Window(QWidget):    def __init__(self,Width=450,Height=600):        super().__init__()         self.setWindowTitle("getScreenColor")        self.setWindowFlags(Qt.WindowStaysOnTopHint)         self.Width=Width        self.Height=Height        # 样式表        self.SS_bkg_Label="QLabel{background: rgb(220,220,220);color:rgb(62,62,62);border-radius:8px}"        self.SS_Inf_Label="QPushButton{background: rgb(79,148,204);color:rgb(240,240,240);border-radius:8px}"        self.SS_Inf_Box="QLineEdit{border-radius:3px;border: 2px solid rgb(149,179,215);color:rgb(92,92,92)}"        self.SS_Main_Box="QPushButton{background: #FFFFFF;border: 3px solid rgb(150,150,150);border-radius:8px}"        self.SS_Color_Box="QPushButton{background: #FFFFFF;border: 2px solid rgb(150,150,150);border-radius:3px}"        self.SS_btn_1="QPushButton{background: rgb(214,219,233);color:rgb(82,82,82)}"        self.SS_btn_2="QPushButton{background: rgb(225,235,205);color:rgb(82,82,82)}"        self.SS_btn_3="QPushButton{background: rgb(232,191,190);color:rgb(82,82,82)}"        # 该类私有变量或属性        self.defaultColor=["#58827E","#144853","#4C6756","#849E77","#ADBDA3",                           "#6B1B1E","#A94047","#E05E60","#F8A2AF","#E4CEDB",                           "#B0A087","#7F877C","#C7C7BB","#D4C7BE","#E3E4DF",                           "#C63866","#FE676E","#FD8F52","#FFBF73","#FFDCA2",                           "#7292B8","#769EB8","#B4C5D7","#C5D5EC","#D9E0EA",                           "#681F71","#7E0D5D","#6E57A5","#B589BE","#C993B7",                           "#3978A4","#81AAAE","#EBCFC4","#FDB8A8","#E3929B","#7D7294"]        self.curBoxId=0        self.curColor_RGB=[255,255,255]        self.curColor_HEX="#FFFFFF"        self.curColor_HSV=[0,0,255]        self.storeList=[]        self.defaultList=[]        # 框架构造函数调用        self.setSize()        self.partition()        self.setInfBox()        self.setMainBox()        self.setBtn()        self.setIcon()        self.setColorBox()            # ================================================================================================    # 颜色框回调函数部分：    def selectedMain(self):        tColor_HEX=self.curColor_HEX        tColor_RGB=hex2rgb("0x"+tColor_HEX[1:])        tColor_HSV=rgb2hsv(tColor_RGB[0], tColor_RGB[1], tColor_RGB[2])        pyperclip.copy(str(tColor_RGB)+" "+tColor_HEX+" "+str(tColor_HSV))         print(str(tColor_RGB)+" "+tColor_HEX+" "+str(tColor_HSV))    def selectedStore(self):        storeBox=self.sender()        tColor_HEX=storeBox.property("Color")        tColor_RGB=hex2rgb("0x"+tColor_HEX[1:])        tColor_HSV=rgb2hsv(tColor_RGB[0], tColor_RGB[1], tColor_RGB[2])        pyperclip.copy(str(tColor_RGB)+" "+tColor_HEX+" "+str(tColor_HSV))         print(str(tColor_RGB)+" "+tColor_HEX+" "+str(tColor_HSV))    def selectedDefault(self):        defaultBox=self.sender()        tNum=defaultBox.property("defaultId")        tColor_HEX=self.defaultColor[tNum]        tColor_RGB=hex2rgb("0x"+tColor_HEX[1:])        tColor_HSV=rgb2hsv(tColor_RGB[0], tColor_RGB[1], tColor_RGB[2])        pyperclip.copy(str(tColor_RGB)+" "+tColor_HEX+" "+str(tColor_HSV))         print(str(tColor_RGB)+" "+tColor_HEX+" "+str(tColor_HSV))    # ------------------------------------------------------------------------------------------------    # 颜色信息标签回调    def copyInf(self):        infLabel=self.sender()        infBox=infLabel.property("Children")        pyperclip.copy(infBox.text())        print(infBox.text())        # ------------------------------------------------------------------------------------------------    # 按钮回调函数部分：    def getColor(self):        time.sleep(2)        x,y=pag.position()        self.curColor_RGB=get_color(x,y)        self.curColor_HSV=rgb2hsv(self.curColor_RGB[0], self.curColor_RGB[1], self.curColor_RGB[2])        self.curColor_HEX=rgb2hex(self.curColor_RGB[0], self.curColor_RGB[1], self.curColor_RGB[2]).upper()        RGB_STR=str(self.curColor_RGB).replace(" ", "")[1:-1]        HSV_STR=str(self.curColor_HSV).replace(" ", "")[1:-1]        self.CB1.setText(RGB_STR)         self.CB2.setText(self.curColor_HEX)        self.CB3.setText(HSV_STR)         self.mainBox.setStyleSheet("QPushButton{background:"+self.curColor_HEX        +";border: 3px solid rgb(150,150,150);border-radius:8px}")    def saveColor(self):        if self.curBoxId<20:            tempBox=self.storeList[self.curBoxId]            tempBox.setProperty("Color",self.curColor_HEX)            tempBox.setStyleSheet("QPushButton{background:"+self.curColor_HEX            +";border: 2px solid rgb(150,150,150);border-radius:3px}")            self.curBoxId+=1    def deleteColor(self):        if self.curBoxId>0:            self.curBoxId-=1            tempBox=self.storeList[self.curBoxId]            tempBox.setProperty("Color","#FFFFFF")            tempBox.setStyleSheet(self.SS_Color_Box)    # ================================================================================================    # 框架构造函数部分：    def setSize(self):# 调整框架大小        self.setGeometry(80,80,self.Width,self.Height)        self.setMaximumSize(self.Width,self.Height)        self.setMinimumSize(self.Width,self.Height)    def setIcon(self):# 设置图标        appIcon=QIcon("ICON.ico")        self.setWindowIcon(appIcon)    def partition(self):# 各部分划分        Width=self.Width        Height=self.Height        qf=QFont()        qf.setBold(True)        qf.setPointSize(12