截屏软件代码

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发布日期: 2021-01-29
语言: C/C++
标签: 截屏

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【核心代码】//********************************************************************************
//文件：Screenshot.CPP
//作者：feiren
//时间：2014-1-1
//用途：封装截图功能的主窗口实现
//版本：1.0.0.0
//联系：feirench@gmail.com
//********************************************************************************

#include "stdafx.h"
#include "Screenshot.h"
#include "ShotImplement.h"
extern TAppData g_Data;
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;

bool       bClose    = false;

int WINAPI ScreenshotWinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                   PSTR szCmdLine, int iCmdShow)
{
   static TCHAR szAppName[] = TEXT ("AWin") ;
   HWND         hwnd ;
   MSG          msg ;
   WNDCLASS     wndclass ;
   BOOL       fMessage;
   wndclass.style         = CS_CLASSDC | CS_DBLCLKS;
   wndclass.lpfnWndProc   = WndProc ;
   wndclass.cbClsExtra    = 0 ;
   wndclass.cbWndExtra    = 0 ;
   wndclass.hInstance     = hInstance ;
   wndclass.hIcon         = LoadIcon (NULL, IDI_APPLICATION) ;
   wndclass.hCursor       = LoadCursor (NULL, IDC_CROSS) ;
   wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
   wndclass.lpszMenuName = NULL ;
   wndclass.lpszClassName = szAppName ;
   g_Data.mResult = 0;
   if (!RegisterClass (&wndclass))
   {
       return 0;
   }

   hwnd=CreateWindowEx(WS_EX_TOOLWINDOW,szAppName,TEXT ("The SH"),WS_POPUP|WS_VISIBLE,
       CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,hInstance,NULL);

   ShowWindow (hwnd, iCmdShow) ;
   UpdateWindow (hwnd) ;

   bClose = false;
   PeekMessage(&msg, NULL, 0U, 0U, PM_NOREMOVE);
   while(msg.message != WM_QUIT)   // 消息循环
   {
       fMessage = PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE);
       if(fMessage)               //有消息
       {
           TranslateMessage(&msg);
           DispatchMessage(&msg);
       }else
       {
           if(bClose)break;
           else Sleep(1);
       }
   }
   UnregisterClass(szAppName,hInstance);
   return g_Data.mResult ;
}

LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
   HDC         hdc ;
   PAINTSTRUCT ps ;
   switch (message)
   {
   case WM_CREATE:
       g_Data.Initialize(hwnd,GetModuleHandle(NULL));
       return 0;
   case WM_PAINT:
       hdc = BeginPaint (hwnd, &ps) ;
       //g_Data.OnPain(hdc);
       EndPaint (hwnd, &ps) ;
       return 0 ;
   case WM_MOUSEMOVE:
       hdc = GetDC(hwnd);
       g_Data.OnMouseMove(hdc,wParam,lParam);
       break;
   case WM_LBUTTONDBLCLK:
       hdc = GetDC(hwnd);
       g_Data.OnLButtonDBLClick(hdc,wParam,lParam);
       break;
   case WM_LBUTTONDOWN:
       hdc = GetDC(hwnd);
       g_Data.OnLButtonDown(hdc,wParam,lParam);
       break;// 鼠标左键按键，射击用
   case WM_LBUTTONUP:
       hdc = GetDC(hwnd);
       g_Data.OnLButtonUp(hdc,wParam,lParam);
       break;// 鼠标左键松开
   case WM_RBUTTONDOWN:
       hdc = GetDC(hwnd);
       g_Data.OnRButtonDown(hdc,wParam,lParam);
       break;// 鼠标右键按键，拖动对象用
   case WM_RBUTTONUP:
       hdc = GetDC(hwnd);
       g_Data.OnRButtonUp(hdc,wParam,lParam);
       break;// 鼠标右键松开
   case WM_MOUSEWHEEL:
       hdc = GetDC(hwnd);
       g_Data.OnMouseWheel(hdc,wParam,lParam);
       break;
   case WM_KEYDOWN:
       hdc = GetDC(hwnd);
       g_Data.OnKeyDown(hdc,wParam,lParam);
       break;
   case WM_KEYUP:                       // 按ESC退出
       hdc = GetDC(hwnd);
       g_Data.OnKeyUp(hdc,wParam,lParam);
       break;
   case WM_SETCURSOR:
       g_Data.OnSetCursor();
       break;
   case WM_DESTROY:
       g_Data.Release();
       bClose = true;
       //PostQuitMessage (0) ;
       return 0 ;
   default:
       return DefWindowProc (hwnd, message, wParam, lParam) ;
   }
   return 0;
}

SCREENSHOT_API int fnScreenshot(void)
{
   return ScreenshotWinMain(GetModuleHandle(NULL),NULL,NULL,SW_SHOWNORMAL|SW_MAXIMIZE);
}

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代码片段和文件信息

//********************************************************************************
//文件：DesktopWindows.CPP
//作者：feiren
//时间：2014-1-1
//用途：获取桌面所有合格窗体的矩形信息
//版本：1.0.0.0
//联系：feirench@gmail.com
//********************************************************************************
#include “StdAfx.h“
#include “DesktopWindows.h“

RECT TWindow::GetRectFromPoint（const POINT& PT）
{
	RECT Rect;
	if （PtInRect（&mRect PT））
	{
		for （TWindows::iterator it = mChildWindows.begin（）;it != mChildWindows.end（）; it++）
		{
			Rect = it->GetRectFromPoint（PT）;
			if（!Empty（Rect））return Rect;
		}
		return mRect;
	}
	Rect.left = Rect.top = Rect.right = Rect.bottom = 0;
	return Rect;
}

bool TWindow::Empty（ RECT &nRect ）
{
	return nRect.left==nRect.right||nRect.top==nRect.bottom;
}

Des

属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件     123392  2014-01-10 11:39  SreenShotApp\Debug\Screenshot.dll

     文件       1756  2014-01-10 11:39  SreenShotApp\Debug\Screenshot.lib

     文件      87552  2014-01-10 11:40  SreenShotApp\Debug\SreenShotApp.exe

     文件      35840  2014-01-10 11:39  SreenShotApp\Release\Screenshot.dll

     文件       1756  2014-01-10 11:39  SreenShotApp\Release\Screenshot.lib

     文件       2298  2014-01-09 18:26  SreenShotApp\Screenshot\DesktopWindows.cpp

     文件        889  2014-01-09 18:18  SreenShotApp\Screenshot\DesktopWindows.h

     文件        389  2014-01-04 15:48  SreenShotApp\Screenshot\dllmain.cpp

     文件       6725  2014-01-09 18:24  SreenShotApp\Screenshot\PUI.cpp

     文件       1075  2014-01-09 18:24  SreenShotApp\Screenshot\PUI.h

     文件       1179  2014-01-04 15:48  SreenShotApp\Screenshot\ReadMe.txt

     文件       3612  2014-01-09 18:26  SreenShotApp\Screenshot\Screenshot.cpp

     文件        561  2014-01-09 18:23  SreenShotApp\Screenshot\Screenshot.h

     文件       5592  2014-01-09 10:50  SreenShotApp\Screenshot\Screenshot.vcproj

     文件       1457  2014-01-10 11:48  SreenShotApp\Screenshot\Screenshot.vcproj.lenovo-PC.lenovo.user

     文件      21573  2014-01-09 18:26  SreenShotApp\Screenshot\ShotImplement.cpp

     文件       2886  2014-01-09 18:22  SreenShotApp\Screenshot\ShotImplement.h

     文件        215  2014-01-04 15:48  SreenShotApp\Screenshot\stdafx.cpp

     文件        313  2014-01-04 15:48  SreenShotApp\Screenshot\stdafx.h

     文件       1026  2014-01-04 15:48  SreenShotApp\Screenshot\targetver.h

     文件       6698  2014-01-09 18:26  SreenShotApp\Screenshot\Widget.cpp

     文件       1873  2014-01-09 18:20  SreenShotApp\Screenshot\Widget.h

     文件       5504  2014-01-10 11:40  SreenShotApp\SreenShotApp\Debug\BuildLog.htm

     文件         65  2014-01-10 11:40  SreenShotApp\SreenShotApp\Debug\mt.dep

     文件        663  2014-01-10 11:36  SreenShotApp\SreenShotApp\Debug\SreenShotApp.exe.embed.manifest

     文件        728  2014-01-10 11:36  SreenShotApp\SreenShotApp\Debug\SreenShotApp.exe.embed.manifest.res

     文件        621  2014-01-10 11:40  SreenShotApp\SreenShotApp\Debug\SreenShotApp.exe.intermediate.manifest

     文件       4042  2014-01-10 11:40  SreenShotApp\SreenShotApp\Debug\SreenShotApp.obj

     文件    6750208  2014-01-10 11:35  SreenShotApp\SreenShotApp\Debug\SreenShotApp.pch

     文件      48304  2014-01-10 11:35  SreenShotApp\SreenShotApp\Debug\SreenShotApp.res

............此处省略27个文件信息

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