这个程序的知识点如下： MFC GDI API
Microsoft Foundation Classes
Graphics Device Interface
Application Programming Interface
MFC 是微软公司的基础类库，封装了大量的Windows API函数，能够快速的开发一些桌面应用程序， GDI是图形设备接口，程序员专门用来坐图形绘制功能的。 基本上要做软件 这些东西都是缺一不可的
C语言打造表白程序——教你怎样做一个浪漫的程序员，程序员都是这么追女朋友的，随便写个程序就能搞定，嗨呀！
接下来我就分享下我写的这个程序的源代码 ,供参考！
希望大家能写出自己的程序去追女朋友，如果我有写的不好的地方往大神指出，我改进。
废话不多说 直接上代码：
// MFCApplication2Dlg.cpp : 实现文件
//
#include “stdafx.h”
#include “MFCApplication2.h”
#include “MFCApplication2Dlg.h”
#include “afxdialogex.h”
#include “mmsystem.h”
#include “Resource.h”
#pragma comment(lib,“winmm.lib”)
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// 用于应用程序“关于”菜单项的 CAboutDlg 对话框
class CAboutDlg : public CDialogEx
{
public:
CAboutDlg();
// 对话框数据
enum { IDD = IDD_ABOUTBOX };
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
// 实现
protected:
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialogEx(CAboutDlg::IDD)
{
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()
// CMFCApplication2Dlg 对话框
CMFCApplication2Dlg::CMFCApplication2Dlg(CWnd* pParent /=NULL/)
: CDialogEx(CMFCApplication2Dlg::IDD, pParent)
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CMFCApplication2Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CMFCApplication2Dlg, CDialogEx)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON_TEST, &CMFCApplication2Dlg::OnBnClickedButtonTest)
END_MESSAGE_MAP()
// CMFCApplication2Dlg 消息处理程序
BOOL CMFCApplication2Dlg::OnInitDialog()
{
CDialogEx::OnInitDialog();
// 将“关于…”菜单项添加到系统菜单中。
// IDM_ABOUTBOX 必须在系统命令范围内。
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
BOOL bNameValid;
CString strAboutMenu;
bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
ASSERT(bNameValid);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// 设置此对话框的图标。 当应用程序主窗口不是对话框时，框架将自动
// 执行此操作
SetIcon(m_hIcon, TRUE);// 设置大图标
SetIcon(m_hIcon, FALSE);// 设置小图标
// TODO: 在此添加额外的初始化代码
return TRUE; // 除非将焦点设置到控件，否则返回 TRUE
}
void CMFCApplication2Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialogEx::OnSysCommand(nID, lParam);
}
}
// 如果向对话框添加最小化按钮，则需要下面的代码
// 来绘制该图标。 对于使用文档/视图模型的 MFC 应用程序，
// 这将由框架自动完成。
void CMFCApplication2Dlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // 用于绘制的设备上下文
SendMessage(WM_ICONERASEBKGND, reinterpret_cast(dc.GetSafeHdc()), 0);
// 使图标在工作区矩形中居中
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// 绘制图标
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialogEx::OnPaint();
}
}
//当用户拖动最小化窗口时系统调用此函数取得光标
//显示。
HCURSOR CMFCApplication2Dlg::OnQueryDragIcon()
{
return static_cast(m_hIcon);
}
BOOL g_bStop = FALSE;
BOOL PaintFlower(int x, int y)
{
// 获取桌面的绘图设备并创建兼容设备
HWND hDesk = ::GetDesktopWindow();
HDC hDC = ::GetDC(hDesk);
HDC hMD = ::CreateCompatibleDC(hDC);
HDC hBuf = ::CreateCompatibleDC(hDC);
// 获取桌面宽和高
DWORD dwWidth = ::GetSystemMetrics(SM_CXSCREEN);
DWORD dwHeight = ::GetSystemMetrics(SM_CYSCREEN);
// 加载位图资源
HBITMAP tempbmp, oldtempbmp, bmp, oldbmp;
tempbmp = ::CreateCompatibleBitmap(hDC, dwWidth, dwHeight);
bmp = (HBITMAP)::LoadImage(::GetModuleHandle(NULL), MAKEINTRESOURCE(IDB_FLOWERS), IMAGE_BITMAP, 0, 0, NULL);
// 选中资源
oldtempbmp = (HBITMAP)::SelectObject(hMD, tempbmp);
oldbmp = (HBITMAP)::SelectObject(hBuf, bmp);
// 复制一遍桌面
::BitBlt(hMD, 0, 0, dwWidth, dwHeight, hDC, 0, 0, SRCCOPY);
// 使用双缓冲的，绘制透明位图
// 先 and 再 or
::BitBlt(hMD, x, y, 100, 100, hBuf, 0, 0, SRCAND);
::BitBlt(hMD, x, y, 100, 100, hBuf, 0, 100, SRCPAINT);
// 绘制到桌面
::BitBlt(hDC, 0, 0, dwWidth, dwHeight, hMD, 0, 0, SRCCOPY);
::SelectObject(hBuf, oldbmp);
::SelectObject(hMD, oldtempbmp);
// 释放内存
::DeleteObject(tempbmp);
::DeleteDC(hBuf);
::DeleteDC(hMD);
::ReleaseDC(hDesk, hDC);
return TRUE;
}
int CMFCApplication2Dlg::ShowMyFlower0(LPVOID lpVoid)
{
CMFCApplication2Dlg *pThis = (CMFCApplication2Dlg *)lpVoid;
srand((unsigned int)time(NULL));
// 获取桌面屏幕的宽和高
DWORD dwWidth = ::GetSystemMetrics(SM_CXSCREEN);
DWORD dwHeight = ::GetSystemMetrics(SM_CYSCREEN);
DWORD m = dwWidth / 30, n = dwHeight / 30;
DWORD x = 0, y = 0;
DWORD i = 0;
// 绘制网格的点 599 朵
i = 999;
do
{
if (g_bStop)
{
return 0;
}
x = rand() % m;
y = rand() % n;
PaintFlower(30 * x, 30 * y);
i–;
Sleep(50);
} while (0 <= i);
return 0;
}
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int CMFCApplication2Dlg::ShowMyFlower1(LPVOID lpVoid)
{
CMFCApplication2Dlg *pThis = (CMFCApplication2Dlg *)lpVoid;
// 获取桌面屏幕的宽和高
DWORD dwWidth = ::GetSystemMetrics(SM_CXSCREEN);
DWORD dwHeight = ::GetSystemMetrics(SM_CYSCREEN);
DWORD m = dwWidth / 30, n = dwHeight / 30;
DWORD x = 0, y = 0;
DWORD i = 0;
// 随机 400 朵
i = 999;
do
{
if (g_bStop)
{
return 0;
}
x = rand() % m;
y = rand() % n;
PaintFlower(30 * x, 30 * y);
i–;
Sleep(50);
} while (0 <= i);
return 0;
}
//画x轴方向的花
int CMFCApplication2Dlg::ShowMyFlower2(LPVOID lpVoid)
{
CMFCApplication2Dlg *pThis = (CMFCApplication2Dlg )lpVoid;
/Sleep(500);/
// 获取桌面屏幕的宽和高
DWORD dwWidth = ::GetSystemMetrics(SM_CXSCREEN);
DWORD dwHeight = ::GetSystemMetrics(SM_CYSCREEN);
DWORD i = 0;
// 顺时针显示
while (TRUE)
{
for (i = 0; i < dwWidth - 50; i = i + 60)
{
PaintFlower(i, 0);
Sleep(300);
}
for (i = 0; i < dwHeight - 50; i = i + 60)
{
PaintFlower(dwWidth - 100, i);
Sleep(300);
}
}
/
for(i = dwWidth - 100; i >= 50; i = i - 60)
{
PaintFlower(i, dwHeight - 100);
Sleep(300);
}
for(i = dwHeight - 100; i >= 50 ; i = i - 60)
{
PaintFlower(0, i);
Sleep(300);
}
*/
return 0;
}
int CMFCApplication2Dlg::ShowMyFlower3(LPVOID lpVoid)
{
CMFCApplication2Dlg *pThis = (CMFCApplication2Dlg *)lpVoid;
//Sleep(1000);
// 获取桌面屏幕的宽和高
DWORD dwWidth = ::GetSystemMetrics(SM_CXSCREEN);
DWORD dwHeight = ::GetSystemMetrics(SM_CYSCREEN);
DWORD i = 0;
while (TRUE)
{
for (i = dwWidth - 100; i >= 50; i = i - 60)
{
PaintFlower(i, dwHeight - 100);
Sleep(300);
}
for (i = dwHeight - 100; i >= 50; i = i - 60)
{
PaintFlower(0, i);
Sleep(300);
}
}
return 0;
}
int CMFCApplication2Dlg::ShowMyFlower4(LPVOID lpVoid)
{
CMFCApplication2Dlg *pThis = (CMFCApplication2Dlg *)lpVoid;
//Sleep(12000);
HWND hDesk = ::GetDesktopWindow();
HDC hDC = ::GetDC(hDesk);
HDC hMD = ::CreateCompatibleDC(hDC);
HDC hBuf = ::CreateCompatibleDC(hDC);
// 获取桌面宽和高
DWORD dwWidth = ::GetSystemMetrics(SM_CXSCREEN);
DWORD dwHeight = ::GetSystemMetrics(SM_CYSCREEN);
// 计算绘制的位置
int x = (dwWidth - 400) / 2;
int y = 110;
// 加载位图资源
HBITMAP tempbmp, oldtempbmp, bmp, oldbmp;
tempbmp = ::CreateCompatibleBitmap(hDC, dwWidth, dwHeight);
//GetModuleHandle是获取一个应用程序或动态链接库的模块句柄
bmp = (HBITMAP)::LoadImage(::GetModuleHandle(NULL), MAKEINTRESOURCE(IDB_520), IMAGE_BITMAP, 0, 0, NULL);
// 选中资源
oldtempbmp = (HBITMAP)::SelectObject(hMD, tempbmp);
oldbmp = (HBITMAP)::SelectObject(hBuf, bmp);
DWORD i = 0, j = 0;
while (TRUE)
{
for (i = 0; i < 4; i++)
{
// 复制一遍桌面
::BitBlt(hMD, 0, 0, dwWidth, dwHeight, hDC, 0, 0, SRCCOPY);
// 使用双缓冲的，绘制透明位图
// 先 and 再 or
::BitBlt(hMD, x, y, 400, 150, hBuf, 0, 0, SRCAND);
::BitBlt(hMD, x, y, 400, 150, hBuf, 0, 150 * (1 + i), SRCPAINT);
// 绘制到桌面
::BitBlt(hDC, 0, 0, dwWidth, dwHeight, hMD, 0, 0, SRCCOPY);
Sleep(300);
}
for (j = 2; j > 0; j–)
{
// 复制一遍桌面
::BitBlt(hMD, 0, 0, dwWidth, dwHeight, hDC, 0, 0, SRCCOPY);
// 使用双缓冲的，绘制透明位图
// 先 and 再 or
::BitBlt(hMD, x, y, 400, 150, hBuf, 0, 0, SRCAND);
::BitBlt(hMD, x, y, 400, 150, hBuf, 0, 150 * (1 + j), SRCPAINT);
// 绘制到桌面
::BitBlt(hDC, 0, 0, dwWidth, dwHeight, hMD, 0, 0, SRCCOPY);
Sleep(300);
}
}
::SelectObject(hBuf, oldbmp);
::SelectObject(hMD, oldtempbmp);
// 释放内存
::DeleteObject(tempbmp);
::DeleteDC(hBuf);
::DeleteDC(hMD);
::ReleaseDC(hDesk, hDC);
return 0;
}
int CMFCApplication2Dlg::ShowMyFlower5(LPVOID lpVoid)
{
CMFCApplication2Dlg *pThis = (CMFCApplication2Dlg *)lpVoid;
//Sleep(15000);
HWND hDesk = ::GetDesktopWindow();
HDC hDC = ::GetDC(hDesk);
HDC hMD = ::CreateCompatibleDC(hDC);
HDC hBuf = ::CreateCompatibleDC(hDC);
HDC hBuf2 = ::CreateCompatibleDC(hDC);
// 获取桌面宽和高
DWORD dwWidth = ::GetSystemMetrics(SM_CXSCREEN);
DWORD dwHeight = ::GetSystemMetrics(SM_CYSCREEN);
// 计算绘制的位置
int x = (dwWidth - 700) / 2;
int y = 260;
// 加载位图资源
HBITMAP tempbmp, oldtempbmp, bmp, oldbmp, bmp2, oldbmp2;
tempbmp = ::CreateCompatibleBitmap(hDC, dwWidth, dwHeight);
bmp = (HBITMAP)::LoadImage(::GetModuleHandle(NULL), MAKEINTRESOURCE(IDB_LOVE), IMAGE_BITMAP, 0, 0, NULL);
bmp2 = (HBITMAP)::LoadImage(::GetModuleHandle(NULL), MAKEINTRESOURCE(IDB_LOVE2), IMAGE_BITMAP, 0, 0, NULL);
// 选中资源
oldtempbmp = (HBITMAP)::SelectObject(hMD, tempbmp);
oldbmp = (HBITMAP)::SelectObject(hBuf, bmp);
oldbmp2 = (HBITMAP)::SelectObject(hBuf2, bmp2);
while (TRUE)
{
// 复制一遍桌面
::BitBlt(hMD, 0, 0, dwWidth, dwHeight, hDC, 0, 0, SRCCOPY);
// 使用双缓冲的，绘制位图
::BitBlt(hMD, x, y, 700, 450, hBuf, 0, 0, SRCAND);
::BitBlt(hMD, x, y, 700, 450, hBuf2, 0, 0, SRCPAINT);
// 绘制到桌面
::BitBlt(hDC, 0, 0, dwWidth, dwHeight, hMD, 0, 0, SRCCOPY);
Sleep(300);
}
::SelectObject(hBuf, oldbmp);
::SelectObject(hBuf, oldbmp2);
::SelectObject(hMD, oldtempbmp);
// 释放内存
::DeleteObject(tempbmp);
::DeleteDC(hBuf);
::DeleteDC(hMD);
::ReleaseDC(hDesk, hDC);
return 0;
}
int CMFCApplication2Dlg::ShowMyFlower6(LPVOID lpVoid)
{
CMFCApplication2Dlg *pThis = (CMFCApplication2Dlg *)lpVoid;
//Sleep(15000);
srand((unsigned int)time(NULL));
// 获取桌面屏幕的宽和高
DWORD dwWidth = ::GetSystemMetrics(SM_CXSCREEN);
DWORD dwHeight = ::GetSystemMetrics(SM_CYSCREEN);
//DWORD m = dwWidth/100, n = dwHeight/100;
DWORD x = 0, y = 0;
while (TRUE)
{
x = rand() % dwWidth;
y = rand() % dwHeight;
PaintFlower(x, y);
Sleep(300);
}
return 0;
}
void CMFCApplication2Dlg::OnBnClickedButtonTest()
{
// TODO: 在此添加控件通知处理程序代码
// 播放音乐
mciSendString(L"open res\一生所爱.mp3 alias music", 0, 0, 0);
mciSendString(L"play music repeat", 0, 0, 0);
// 窗口最小化到任务栏
::SendMessage(m_hWnd, WM_SYSCOMMAND, SC_MINIMIZE, 0);
// 停顿
//Sleep(1000);
//// 创建多线程
//// 第一部分 --> 999朵花迅速霸屏
HANDLE hThread0 = ::CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)ShowMyFlower0, this, 0, NULL);
HANDLE hThread1 = ::CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)ShowMyFlower1, this, 0, NULL);
::WaitForSingleObject(hThread0, 10000);
g_bStop = TRUE;
Sleep(500); //切换图像
::CloseHandle(hThread0);
::CloseHandle(hThread1);
// 刷新桌面
HWND hDesktop = ::FindWindow(L"", L"");
hDesktop = ::FindWindowEx(hDesktop, 0, L"", L"");
hDesktop = ::FindWindowEx(hDesktop, 0, L"", L"");
::InvalidateRect(hDesktop, NULL, TRUE);
::SendMessage(hDesktop, WM_PAINT, 0, 0);
::SetCapture(hDesktop);
Sleep(1000);
/第二部分 --> 显示花边/
::CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)ShowMyFlower2, this, 0, NULL);
::CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)ShowMyFlower3, this, 0, NULL);
/* 第三部分 --> 显示520和贺卡*/
::CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)ShowMyFlower4, this, 0, NULL);
::CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)ShowMyFlower5, this, 0, NULL);
//// 第三部分 --> 随机出现的玫瑰
::CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)ShowMyFlower6, this, 0, NULL);
}
这些是C/C++能做的
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