基于Python制作一款屏幕顏色提取器
更新時(shí)間：2022年03月02日 10:54:07 作者：slandarer
這篇文章主要為大家介紹了如何利用Python制作一款簡(jiǎn)易的屏幕顏色提取器，文中的示例代碼講解詳細(xì)，對(duì)我們學(xué)習(xí)Python有一定幫助，感興趣的可以動(dòng)手試一試
1.使用效果
如下面動(dòng)圖所示，點(diǎn)擊取色按鈕后，將鼠標(biāo)移動(dòng)到想要取色的位置，等待兩秒即可取色：
點(diǎn)擊save color按鈕可以將顏色存儲(chǔ)到color library區(qū)域，同時(shí)如圖所示，
! ! ! !紅框內(nèi)所有的方形元件其實(shí)都是按鈕，點(diǎn)擊后能獲得顏色信息 ! ! ! !
信息格式為：(173, 189, 163) #ADBDA3 (48, 35, 189)
2.所需python包
- PySide2
- pyautogui
- pyperclip
- ctypes
from PySide2.QtWidgets import QApplication,QWidget,QLineEdit
from PySide2.QtWidgets import QLabel,QPushButton
from PySide2.QtGui import QIcon,QFont
from PySide2.QtCore import Qt
import sys
sys.path.append("...")
import time
import pyautogui as pag
import pyperclip
from ctypes import *
3.python小技巧
3.1控件數(shù)組
和matlab一樣，python得控件也能構(gòu)成數(shù)組，例如我在創(chuàng)建小顏色框時(shí)，是這么寫的：
# 存儲(chǔ)顏色框
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)
就是將各個(gè)顏色框存入了self.storeList這個(gè)數(shù)組，
想要例如想要調(diào)用第i個(gè)顏色框，就可以這么寫：
storeBox=self.storeList[i]
3.2將控件作為屬性
將控件控件作為屬性賦給另一個(gè)控件
因?yàn)槲覀兿胍c(diǎn)擊左側(cè)標(biāo)簽時(shí)獲得對(duì)應(yīng)文本框內(nèi)信息：
就可以這么寫（舉個(gè)例子）：
# 創(chuàng)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)
# 創(chuàng)建標(biāo)簽
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) # 把控件作為屬性
self.CL1.clicked.connect(self.copyInf)# 與回調(diào)函數(shù)相連
然后我的回調(diào)函數(shù)是這樣寫的：
def copyInf(self):
infLabel=self.sender()
infBox=infLabel.property('Children') # 通過(guò)找到屬性找到對(duì)應(yīng)控件
pyperclip.copy(infBox.text())
3.3怎樣重設(shè)控件顏色
還是通過(guò)setStyleSheet設(shè)置嗷，不過(guò)把字符串部分應(yīng)該放顏色的部分換成了要重設(shè)的顏色：
self.mainBox.setStyleSheet("QPushButton{background:"+self.curColor_HEX
+";border: 3px solid rgb(150,150,150);border-radius:8px}")
3.4一些用到的字符串操作
字符串字母大寫
STR=STR.upper()
字符串去掉空格
例如把(10, 50, 255)變?yōu)?10,50,255)
STR=STR.replace(" ", "")
字符串去掉兩頭括號(hào)
例如把(10,50,255)變?yōu)?0,50,255
STR=STR[1:-1]
3.5鼠標(biāo)位置像素顏色
如何獲得當(dāng)前鼠標(biāo)位置像素顏色
import pyautogui as pag
from ctypes import *
x,y=pag.position()
RGB=get_color(x,y)
# 獲取x,y位置像素顏色
def get_color(x, y):
gdi32 = windll.gdi32
user32 = windll.user32
hdc = user32.GetDC(None) # 獲取顏色值
pixel = gdi32.GetPixel(hdc, x, y) # 提取RGB值
r = pixel & 0x0000ff
g = (pixel & 0x00ff00) >> 8
b = pixel >> 16
return [r, g, b]
3.6窗口始終置頂
self.setWindowFlags(Qt.WindowStaysOnTopHint)
3.7文本框不允許編輯但允許復(fù)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)
4.完整代碼
from PySide2.QtWidgets import QApplication,QWidget,QLineEdit
from PySide2.QtWidgets import QLabel,QPushButton
from PySide2.QtGui import QIcon,QFont
from PySide2.QtCore import Qt
import sys
sys.path.append("...")
import time
import pyautogui as pag
import pyperclip
from ctypes import *
# ===========================================================================================
# 相關(guān)函數(shù)：
# 獲取x,y位置像素顏色
def get_color(x, y):
gdi32 = windll.gdi32
user32 = windll.user32
hdc = user32.GetDC(None) # 獲取顏色值
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轉(zhuǎn)RGB
def hex2rgb(hexcolor):
'''HEX轉(zhuǎn)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轉(zhuǎn)HEX
def 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轉(zhuǎn)HSV
def 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))
# ===========================================================================================
# 窗口類：
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
# 樣式表
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)}"
# 該類私有變量或?qū)傩?
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=[]
# 框架構(gòu)造函數(shù)調(diào)用
self.setSize()
self.partition()
self.setInfBox()
self.setMainBox()
self.setBtn()
self.setIcon()
self.setColorBox()
# ================================================================================================
# 顏色框回調(diào)函數(shù)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))
# ------------------------------------------------------------------------------------------------
# 顏色信息標(biāo)簽回調(diào)
def copyInf(self):
infLabel=self.sender()
infBox=infLabel.property('Children')
pyperclip.copy(infBox.text())
print(infBox.text())
# ------------------------------------------------------------------------------------------------
# 按鈕回調(diào)函數(shù)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)
# ================================================================================================
# 框架構(gòu)造函數(shù)部分：
def setSize(self):# 調(diào)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):# 設(shè)置圖標(biāo)
appIcon=QIcon("ICON.ico")
self.setWindowIcon(appIcon)
def partition(self):# 各部分劃分
Width=self.Width
Height=self.Height
qf=QFont()
qf.setBold(True)
qf.setPointSize(12)
qf.setFamily("Cambria")
# --part1--當(dāng)前顏色顯示框背景-----
self.bkgLabel1=QLabel(self)
self.bkgLabel1.setGeometry(0.024*Width,0.015*Height,0.4*Width,0.3*Height)
self.bkgLabel1.setStyleSheet(self.SS_bkg_Label)
# --part2--當(dāng)前顏色信息背景-----
self.bkgLabel2=QLabel(self)
self.bkgLabel2.setGeometry(0.448*Width,0.015*Height,0.528*Width,0.3*Height)
self.bkgLabel2.setStyleSheet("QLabel{background: rgb(235,235,235);border-radius:8px}")
# --part3--顏色存儲(chǔ)庫(kù)背景-----
self.bkgLabel3=QLabel(self)
self.bkgLabel3.setGeometry(0.024*Width,0.41*Height,0.952*Width,0.205*Height)
self.bkgLabel3.setStyleSheet(self.SS_bkg_Label)
self.bkgLabel3_title=QLabel(self)
self.bkgLabel3_title.setGeometry(0.038*Width,0.415*Height,0.4*Width,0.05*Height)
self.bkgLabel3_title.setStyleSheet(self.SS_bkg_Label)
self.bkgLabel3_title.setText("Color Library")
self.bkgLabel3_title.setFont(qf)
# --part4--預(yù)設(shè)顏色庫(kù)背景-----
self.bkgLabel4=QLabel(self)
self.bkgLabel4.setGeometry(0.024*Width,0.63*Height,0.952*Width,0.355*Height)
self.bkgLabel4.setStyleSheet(self.SS_bkg_Label)
self.bkgLabel4_title=QLabel(self)
self.bkgLabel4_title.setGeometry(0.038*Width,0.635*Height,0.8*Width,0.05*Height)
self.bkgLabel4_title.setStyleSheet(self.SS_bkg_Label)
self.bkgLabel4_title.setText("Color Library(default)")
self.bkgLabel4_title.setFont(qf)
def setInfBox(self):# 設(shè)置信息顯示框
Width=self.Width
Height=self.Height
# 字體設(shè)置
qf=QFont()
qf.setBold(True)
qf.setPointSize(12)
qf.setFamily("Cambria")
# 繪制顏色信息框
qf.setPointSize(10)
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)
#
self.CB2=QLineEdit(self)
self.CB2.setText("#FFFFFF")
self.CB2.move(0.62*Width,0.13*Height)
self.CB2.resize(0.35*Width,0.065*Height)
self.CB2.setFont(qf)
self.CB2.setStyleSheet(self.SS_Inf_Box)
#
self.CB3=QLineEdit(self)
self.CB3.setText("0,0,255")
self.CB3.move(0.62*Width,0.23*Height)
self.CB3.resize(0.35*Width,0.065*Height)
self.CB3.setFont(qf)
self.CB3.setStyleSheet(self.SS_Inf_Box)
#
self.CB1.setFocusPolicy(Qt.NoFocus)
self.CB2.setFocusPolicy(Qt.NoFocus)
self.CB3.setFocusPolicy(Qt.NoFocus)
# 繪制顏色信息標(biāo)簽
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)
self.CL1.clicked.connect(self.copyInf)
#
self.CL2=QPushButton(self)
self.CL2.setGeometry(0.448*Width,0.125*Height,0.14*Width,0.075*Height)
self.CL2.setStyleSheet(self.SS_Inf_Label)
self.CL2.setText("HEX")
self.CL2.setFont(qf)
self.CL2.setProperty('Children',self.CB2)
self.CL2.clicked.connect(self.copyInf)
#
self.CL3=QPushButton(self)
self.CL3.setGeometry(0.448*Width,0.225*Height,0.14*Width,0.075*Height)
self.CL3.setStyleSheet(self.SS_Inf_Label)
self.CL3.setText("HSV")
self.CL3.setFont(qf)
self.CL3.setProperty('Children',self.CB3)
self.CL3.clicked.connect(self.copyInf)
def setMainBox(self):# 設(shè)置其他label
Width=self.Width
Height=self.Height
# 左上角當(dāng)前顏色顯示框
self.mainBox=QPushButton(self)
self.mainBox.setGeometry(0.04*Width,0.025*Height,0.368*Width,0.28*Height)
self.mainBox.setStyleSheet(self.SS_Main_Box)
self.mainBox.clicked.connect(self.selectedMain)
def setBtn(self):# 設(shè)置按鈕
Width=self.Width
Height=self.Height
# 按鈕字體
qf=QFont()
qf.setBold(True)
qf.setPointSize(10)
qf.setFamily("Cambria")
# 獲取顏色按鈕
self.bnt1=QPushButton(self)
self.bnt1.setGeometry(0.024*Width,0.33*Height,0.4*Width,0.06*Height)
self.bnt1.setStyleSheet(self.SS_btn_1)
self.bnt1.setText("Get Screen Color")
self.bnt1.setFont(qf)
self.bnt1.clicked.connect(self.getColor)
# 保存顏色按鈕
self.bnt2=QPushButton(self)
self.bnt2.setGeometry(0.444*Width,0.33*Height,0.26*Width,0.06*Height)
self.bnt2.setStyleSheet(self.SS_btn_1)
self.bnt2.setText("Save Color")
self.bnt2.setFont(qf)
self.bnt2.clicked.connect(self.saveColor)
# 刪除顏色按鈕
self.bnt3=QPushButton(self)
self.bnt3.setGeometry(0.724*Width,0.33*Height,0.26*Width,0.06*Height)
self.bnt3.setStyleSheet(self.SS_btn_3)
self.bnt3.setText("Delete Last")
self.bnt3.setFont(qf)
self.bnt3.clicked.connect(self.deleteColor)
def setColorBox(self):# 繪制存儲(chǔ)顏色及預(yù)設(shè)顏色框
Width=self.Width
Height=self.Height
# 存儲(chǔ)顏色框
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)
# 預(yù)設(shè)顏色框
for i in range(0,4):
for j in range(0,10):
if i*10+j<36:
defaultColorBox=QPushButton(self)
defaultColorBox.setGeometry((0.04+0.093*j)*Width,(0.7+0.07*i)*Height,0.08*Width,0.06*Height)
defaultColorBox.setStyleSheet("QPushButton{background: "
+self.defaultColor[i*10+j]+";border: 2px solid rgb(150,150,150);border-radius:3px}")
defaultColorBox.setProperty("defaultId",i*10+j)
defaultColorBox.clicked.connect(self.selectedDefault)
self.defaultList.append(storeColorBox)
# ===========================================================================================
# 函數(shù)調(diào)用：
myapp = QApplication(sys.argv)
window = Window()
window.show()
sys.exit(myapp.exec_())
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