Python 屏幕取色工具

Python 屏幕取色工具

1.简介：

屏幕取色小工具‌是一种实用的软件工具，主要用于从屏幕上精确获取颜色值，非常适合设计、编程等需要精确配色的领域。这类工具通常能够从屏幕上任何区域精确提取颜色值，支持在整数值、RGB值、BGR值之间转换‌。资源已打包成exe文件，大家需要可自行下载，喜欢请点个关注，主页还有更多干货资源！

2.运行效果：

3.相关源码：

from ctypes import windll
import cv2
from numpy import array as arr
from win32api import GetCursorPos, SetCursorPos
import wx
from PIL import ImageGrab
 
 
class colorData:
    def __init__(self, pos=None, color=None, rgb=None):
        self.pos = pos
        self.color = color
        self.rgb = rgb
 
 
class ColorFrame(wx.Dialog):
    def __init__(self):
        windll.user32.SetProcessDPIAware()
        super().__init__(None, title='Desktop Color', size=(200, 300))
        self.panel = wx.Panel(self)
        self.zb = wx.StaticText(self.panel, label='坐标：(0, 0, 0)', style=wx.ALIGN_CENTER)
        self.ys = wx.StaticText(self.panel, label='颜色：(0, 0, 0)', style=wx.ALIGN_CENTER)
        self.RGB = wx.StaticText(self.panel, label='RGB：(0, 0, 0)', style=wx.ALIGN_CENTER)
        self.bitmap = wx.StaticBitmap(self.panel, size=(200, 200))
        self.data = colorData()
        sizer = wx.BoxSizer(wx.VERTICAL)
        sizer.Add(self.zb, proportion=1, flag=wx.EXPAND)
        sizer.Add(self.ys, proportion=1, flag=wx.EXPAND)
        sizer.Add(self.RGB, proportion=1, flag=wx.EXPAND)
        sizer.Add(self.bitmap, proportion=1, flag=wx.EXPAND | wx.ALL)
        self.panel.SetSizer(sizer)
        self.Bind(wx.EVT_CLOSE, self.on_close)
        self.Bind(wx.EVT_CHAR_HOOK, self.on_key_press)
        # 创建一个定时器来定期获取桌面颜色并更新标签
        self.timer = wx.Timer(self)
        self.Bind(wx.EVT_TIMER, self.on_timer, self.timer)
        self.timer.Start(1)  # 每隔1秒触发一次定时器
 
    def on_timer(self, event):
        point = GetCursorPos()
        screenshot = ImageGrab.grab()
        color = screenshot.getpixel(point)
        img = arr(ImageGrab.grab((point[0] - 10, point[1] - 10, point[0] + 10, point[1] + 10)))
        img = cv2.resize(img, None, None, fx=10, fy=10, interpolation=cv2.INTER_AREA)
        cv2.rectangle(img, (100, 100), (110, 110), (255, 0, 0), 1)
        self.update_label(point, color, img)
 
    def update_label(self, point, color, img):
        self.zb.SetLabel(f'坐标：({point[0]}, {point[1]})')
        self.ys.SetLabel(f'颜色：({color[0]}, {color[1]}, {color[2]})')
        self.RGB.SetLabel(f'RGB：({color[0]:02X}{color[1]:02X}{color[2]:02X})')
        height, width, _ = img.shape
        self.maps = wx.Bitmap.FromBuffer(width, height, img)  # 将Opencv图像转换为wxPython图像对象
        self.bitmap.SetBitmap(self.maps)
 
    def on_close(self, event):
        self.timer.Stop()
        self.Destroy()
 
    def on_key_press(self, event):
        keycode = event.GetKeyCode()
        point = GetCursorPos()
        if keycode == wx.WXK_RETURN or keycode == wx.WXK_NUMPAD_ENTER:
            screenshot = ImageGrab.grab()
            color = screenshot.getpixel(point)
            self.data.pos = point
            self.data.color = color
            self.data.rgb = f'{color[0]:02X}{color[1]:02X}{color[2]:02X}'
            self.on_close(event)
            # self.EndModal(wx.ID_OK)
        elif keycode == wx.WXK_LEFT:
            SetCursorPos((point[0] - 1, point[1]))
        elif keycode == wx.WXK_RIGHT:
            SetCursorPos((point[0] + 1, point[1]))
        elif keycode == wx.WXK_UP:
            SetCursorPos((point[0], point[1] - 1))
        elif keycode == wx.WXK_DOWN:
            SetCursorPos((point[0], point[1] + 1))
 
    def get_data(self):
        return self.data
 
 
app = wx.App()
frame = ColorFrame()
frame.Show()
app.MainLoop()
print(frame.data.pos, frame.data.color, frame.data.rgb)

原文地址：https://blog.csdn.net/Clay_K/article/details/144774103

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