此题为C++教室板块的第一道竞赛题，

[此贴子已经被作者于2005-9-29 14:22:58编辑过]

亲爱的版主，这个程序我已经完成了，不过是用ＶＣ编的不知合不合你的意！ // balance_bitmap.cpp : Defines the entry point for the application. //

#include "stdafx.h" #include "resource.h"

#define MAX_LOADSTRING 100

// Global Variables: HINSTANCE hInst; // current instance TCHAR szTitle[MAX_LOADSTRING]; // The title bar text TCHAR szWindowClass[MAX_LOADSTRING]; // The title bar text

// Foward declarations of functions included in this code module: ATOM MyRegisterClass(HINSTANCE hInstance); BOOL InitInstance(HINSTANCE, int); LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); LRESULT CALLBACK About(HWND, UINT, WPARAM, LPARAM);

void Loadbmp(HDC hdc,char *str,int cx,int cy,int tab,bool op); void drewPixel(HDC hdc,int cx,int cy,int tab); int judge(HDC hdc);

DIBSECTION ds; BITMAPINFOHEADER &bm=ds.dsBmih; unsigned long clr[54000]={0},clr2[50000]={0}; int xw,yh,xw2,yh2;

int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { // TOD Place code here. MSG msg; HACCEL hAccelTable;

// Initialize global strings LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING); LoadString(hInstance, IDC_BALANCE_BITMAP, szWindowClass, MAX_LOADSTRING); MyRegisterClass(hInstance);

// Perform application initialization: if (!InitInstance (hInstance, nCmdShow)) { return FALSE; }

hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_BALANCE_BITMAP);

// Main message loop: while (GetMessage(&msg, NULL, 0, 0)) { if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) { TranslateMessage(&msg); DispatchMessage(&msg); } }

return msg.wParam; }

// // FUNCTION: MyRegisterClass() // // PURPOSE: Registers the window class. // // COMMENTS: // // This function and its usage is only necessary if you want this code // to be compatible with Win32 systems prior to the 'RegisterClassEx' // function that was added to Windows 95. It is important to call this function // so that the application will get 'well formed' small icons associated // with it. // ATOM MyRegisterClass(HINSTANCE hInstance) { WNDCLASSEX wcex;

wcex.cbSize = sizeof(WNDCLASSEX);

wcex.style = CS_HREDRAW | CS_VREDRAW; wcex.lpfnWndProc = (WNDPROC)WndProc; wcex.cbClsExtra = 0; wcex.cbWndExtra = 0; wcex.hInstance = hInstance; wcex.hIcon = LoadIcon(hInstance, (LPCTSTR)IDI_BALANCE_BITMAP); wcex.hCursor = LoadCursor(NULL, IDC_ARROW); wcex.hbrBackground = CreateSolidBrush(0x00ffffff); wcex.lpszMenuName = (LPCSTR)IDC_BALANCE_BITMAP; wcex.lpszClassName = szWindowClass; wcex.hIconSm = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);

return RegisterClassEx(&wcex); }

// // FUNCTION: InitInstance(HANDLE, int) // // PURPOSE: Saves instance handle and creates main window // // COMMENTS: // // In this function, we save the instance handle in a global variable and // create and display the main program window. // BOOL InitInstance(HINSTANCE hInstance, int nCmdShow) { HWND hWnd;

hInst = hInstance; // Store instance handle in our global variable

hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

if (!hWnd) { return FALSE; }

ShowWindow(hWnd, nCmdShow); UpdateWindow(hWnd);

return TRUE; }

// // FUNCTION: WndProc(HWND, unsigned, WORD, LONG) // // PURPOSE: Processes messages for the main window. // // WM_COMMAND - process the application menu // WM_PAINT - Paint the main window // WM_DESTROY - post a quit message and return // // LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { int wmId, wmEvent; PAINTSTRUCT ps; HDC hdc; TCHAR szHello[MAX_LOADSTRING]; LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING);

switch (message) { case WM_COMMAND: wmId = LOWORD(wParam); wmEvent = HIWORD(wParam); // Parse the menu selections: switch (wmId) { case IDM_ABOUT: DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About); break; case IDM_EXIT: DestroyWindow(hWnd); break; default: return DefWindowProc(hWnd, message, wParam, lParam); } break; case WM_PAINT: hdc = BeginPaint(hWnd, &ps); // TOD Add any drawing code here... RECT rt; GetClientRect(hWnd, &rt); Loadbmp(hdc,"地面.bmp",0,0,1,true); Loadbmp(hdc,"小小地面.bmp",0,300,2,true); if(judge(hdc)) DrawText(hdc, szHello, strlen(szHello), &rt, DT_CENTER); EndPaint(hWnd, &ps); break; case WM_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hWnd, message, wParam, lParam); } return 0; }

// Mesage handler for about box. LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam) { switch (message) { case WM_INITDIALOG: return TRUE;

case WM_COMMAND: if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) { EndDialog(hDlg, LOWORD(wParam)); return TRUE; } break; } return FALSE; }

void Loadbmp(HDC hdc,char *str,int cx,int cy,int tab,bool op) { HBITMAP hBmp; HDC BmpDC; hBmp=(HBITMAP) LoadImage (hInst,str,IMAGE_BITMAP,0,0, LR_LOADFROMFILE|LR_CREATEDIBSECTION); BmpDC=CreateCompatibleDC(hdc); SelectObject(BmpDC,hBmp); GetObject(hBmp,sizeof(ds),&ds); BitBlt(hdc,cx,cy,bm.biWidth ,bm.biHeight ,BmpDC,0,0,SRCCOPY); DeleteObject(hBmp); DeleteDC(BmpDC); if(tab==1) { xw=bm.biWidth; yh=bm.biHeight;} else { xw2=bm.biWidth;yh2=bm.biHeight;} if(op) drewPixel(hdc,cx,cy,tab); }

void drewPixel(HDC hdc,int cx,int cy,int tab) { int x=-1; for(int i=cy;i<bm.biHeight+cy ;i++) { for(int j=cx;j<bm.biWidth+cx ;j++) { x++; if(tab==1) clr[x]=GetPixel(hdc,j,i); else if(tab==2) clr2[x]=GetPixel(hdc,j,i); } } /*x=-1; for(int j=cy;j<bm.biHeight+cy ;j++) { for(int i=bm.biWidth+cx ;i<bm.biWidth*2+cx;i++) { x++; if(tab==1) SetPixel(hdc,i,j,clr[x]); else if(tab==2) SetPixel(hdc,i,j,clr2[x]); } }*/ } int judge(HDC hdc) { int k,l,ta=1,x=-1; for(int i=0;i<=xw*yh;i++) if(clr[i]==clr2[0]) { l=i; for(int j=1;j<xw2*yh2;j++) { k=i; if(j%xw2==0) i=i+xw-xw2; if(clr[i+j]==clr2[j]) { if(j==xw2*yh2-1) { ta=0; for(int p=0;p<xw2;p++) { clr[l+p-1]=0; for(int h=0,v=l-1;h<yh2;h++) { v+=xw; clr[v]=0; if(h==yh2-1) for(int g=0;g<xw2;g++) clr[v+g-1]=0; } if(p==xw2-1) for(int y=0,t=l+p-2;y<yh2;y++) { t+=xw; clr[t]=0; } } for(int a=0;a<yh ;a++) { for(int s=0;s<xw;s++) { x++; SetPixel(hdc,s,a,clr[x]); } } //exit(0); } continue; } i=k; break; } } return ta; }

[此贴子已经被作者于2005-10-21 22:29:46编辑过]