python 截图 抓图 源码

#!/usr/bin/env python #coding=gb2312 #!/usr/bin/env python #coding=gb2312 #此模块主要将程序最小化到托盘，并可使用托盘上的菜单进行抓图操作 #同时提供快键键抓图，各快键定义如下：： #1、抓取全屏,快捷键CTRL+F1 #2、抓取当前窗口，快捷键CTRL+F2 #3、抓取所选区域，快捷键CTRL+F3 #抓到之后，会自动弹出保存对话框，选择路径保存即可 #程序中使用到类SysTrayIcon，可从以下站点获取: #http://www.brunningonline.net/simon/blog/archives/SysTrayIcon.py.html #******************************************* #更新记录 #0.1 2012-04-07 create by dyx1024 #******************************************** import os import sys import win32api import win32con import win32gui_struct import itertools, glob import screenshot try: import winxpgui as win32gui except ImportError: import win32gui class SysTrayIcon(object): '''TODO''' QUIT = 'QUIT' SPECIAL_ACTIONS = [QUIT] FIRST_ID = 1023 def __init__(self, icon, hover_text, menu_options, on_quit=None, default_menu_index=None, window_class_name=None,): self.icon = icon self.hover_text = hover_text self.on_quit = on_quit menu_options = menu_options + (('退出', None, self.QUIT),) self._next_action_id = self.FIRST_ID self.menu_actions_by_id = set() self.menu_options = self._add_ids_to_menu_options(list(menu_options)) self.menu_actions_by_id = dict(self.menu_actions_by_id) del self._next_action_id self.default_menu_index = (default_menu_index or 0) self.window_class_name = window_class_name or "SysTrayIconPy" message_map = {win32gui.RegisterWindowMessage("TaskbarCreated"): self.restart, win32con.WM_DESTROY: self.destroy, win32con.WM_COMMAND: self.command, win32con.WM_USER+20 : self.notify,} # Register the Window class. window_class = win32gui.WNDCLASS() hinst = window_class.hInstance = win32gui.GetModuleHandle(None) window_class.lpszClassName = self.window_class_name window_class.style = win32con.CS_VREDRAW | win32con.CS_HREDRAW; window_class.hCursor = win32gui.LoadCursor(0, win32con.IDC_ARROW) window_class.hbrBackground = win32con.COLOR_WINDOW window_class.lpfnWndProc = message_map # could also specify a wndproc. classAtom = win32gui.RegisterClass(window_class) # Create the Window. style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU self.hwnd = win32gui.CreateWindow(classAtom, self.window_class_name, style, 0, 0, win32con.CW_USEDEFAULT, win32con.CW_USEDEFAULT, 0, 0, hinst, None) win32gui.UpdateWindow(self.hwnd) self.notify_id = None self.refresh_icon() #由于HOT KEY也要捕获消息，故此处暂不处理，在HOT KEY中统一处理，否则快捷键无法注册使用 #win32gui.PumpMessages() def _add_ids_to_menu_options(self, menu_options): result = [] for menu_option in menu_options: option_text, option_icon, option_action = menu_option if callable(option_action) or option_action in self.SPECIAL_ACTIONS: self.menu_actions_by_id.add((self._next_action_id, option_action)) result.append(menu_option + (self._next_action_id,)) elif non_string_iterable(option_action): result.append((option_text, option_icon, self._add_ids_to_menu_options(option_action), self._next_action_id)) else: print 'Unknown item', option_text, option_icon, option_action self._next_action_id += 1 return result def refresh_icon(self): # Try and find a custom icon hinst = win32gui.GetModuleHandle(None) if os.path.isfile(self.icon): icon_flags = win32con.LR_LOADFROMFILE | win32con.LR_DEFAULTSIZE hicon = win32gui.LoadImage(hinst, self.icon, win32con.IMAGE_ICON, 0, 0, icon_flags) else: print "Can't find icon file - using default." hicon = win32gui.LoadIcon(0, win32con.IDI_APPLICATION) if self.notify_id: message = win32gui.NIM_MODIFY else: message = win32gui.NIM_ADD self.notify_id = (self.hwnd, 0, win32gui.NIF_ICON | win32gui.NIF_MESSAGE | win32gui.NIF_TIP, win32con.WM_USER+20, hicon, self.hover_text) win32gui.Shell_NotifyIcon(message, self.notify_id) def restart(self, hwnd, msg, wparam, lparam): self.refresh_icon() def destroy(self, hwnd, msg, wparam, lparam): if self.on_quit: self.on_quit(self) nid = (self.hwnd, 0) win32gui.Shell_NotifyIcon(win32gui.NIM_DELETE, nid) win32gui.PostQuitMessage(0) # Terminate the app. def notify(self, hwnd, msg, wparam, lparam): if lparam==win32con.WM_LBUTTONDBLCLK: self.execute_menu_option(self.default_menu_index + self.FIRST_ID) elif lparam==win32con.WM_RBUTTONUP: self.show_menu() elif lparam==win32con.WM_LBUTTONUP: pass return True def show_menu(self): menu = win32gui.CreatePopupMenu() self.create_menu(menu, self.menu_options) #win32gui.SetMenuDefaultItem(menu, 1000, 0) pos = win32gui.GetCursorPos() # See http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/menus_0hdi.asp win32gui.SetForegroundWindow(self.hwnd) win32gui.TrackPopupMenu(menu, win32con.TPM_LEFTALIGN, pos[0], pos[1], 0, self.hwnd, None) win32gui.PostMessage(self.hwnd, win32con.WM_NULL, 0, 0) def create_menu(self, menu, menu_options): for option_text, option_icon, option_action, option_id in menu_options[::-1]: if option_icon: option_icon = self.prep_menu_icon(option_icon) if option_id in self.menu_actions_by_id: item, extras = win32gui_struct.PackMENUITEMINFO(text=option_text, hbmpItem=option_icon, wID=option_id) win32gui.InsertMenuItem(menu, 0, 1, item) else: submenu = win32gui.CreatePopupMenu() self.create_menu(submenu, option_action) item, extras = win32gui_struct.PackMENUITEMINFO(text=option_text, hbmpItem=option_icon, hSubMenu=submenu) win32gui.InsertMenuItem(menu, 0, 1, item) d