mfc CRect类常用用法示例

系统管理员 2022-10-25 00:52 106阅读 0赞

新建一个控制台工程；

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// rectdemo.cpp : Defines the entry point for the console application.
    //
    
    #include "stdafx.h"
    #include "rectdemo.h"
    
    #ifdef _DEBUG
    #define new DEBUG_NEW
    #undef THIS_FILE
    static char THIS_FILE[] = __FILE__;
    #endif
    
    /
    // The one and only application object
    
    CWinApp theApp;
    
    using namespace std;
    
    int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
    {
    	int nRetCode = 0;
    
    	// initialize MFC and print and error on failure
    	if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
    	{
    		// TODO: change error code to suit your needs
    		cerr << _T("Fatal Error: MFC initialization failed") << endl;
    		nRetCode = 1;
    	}
    	else
    	{
    		// TODO: code your application's behavior here.
    		CString strHello;
    		strHello.LoadString(IDS_HELLO);
    		//cout << (LPCTSTR)strHello << endl;
    		CRect  r1(10,20,110,220);  
    		POINT pt = {15,25};
    		SIZE size = {105,205}; 
    		CRect r2(pt,size); 
    		POINT topLeft = {12,22}; 
    		POINT bottomRight = {112,222} ; 
    		CRect r3(topLeft,bottomRight); 
    		CRect r4;
    		r4.CopyRect(&r1);
    		CRect r5(0,0,0,0); 
    		r1.InflateRect(3,5);  //增加宽和高；
    
    		cout << r1.left << ", " << r1.right << ", " << r1.top << ", " << r1.bottom << endl;
    		cout << r2.left << ", " << r2.right << ", " << r2.top << ", " << r2.bottom << endl;
    		cout << r3.left << ", " << r3.right << ", " << r3.top << ", " << r3.bottom << endl;
    		cout << r1.Width << ", " << r1.Height << endl;
    		cout << r1.Size().cx << ", " << r1.Size().cy << endl;
    		cout << r4.left << ", " << r4.right << ", " << r4.top << ", " << r4.bottom << endl;
    		cout << r1.CenterPoint().x << ", " << r1.CenterPoint().y << endl;    //取得矩形中点坐标；
    
    	}
    
    	return nRetCode;
    }

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2JjYm9ibzIxY24_size_16_color_FFFFFF_t_70 1][]

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2JjYm9ibzIxY24_size_16_color_FFFFFF_t_70 1]: /images/20221024/a7775a693643457e907537950e363fd3.png