/*----------------------------------------BRICKS1.C -- LoadBitmap Demonstration(c) Charles Petzold, 1998----------------------------------------*/#include <windows.h>#include <TCHAR.H>#include <stdio.h>LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,PSTR szCmdLine, int iCmdShow){static TCHAR szAppName [] = TEXT ("Bricks1") ;HWND hwnd ;MSG msg ;WNDCLASS wndclass ;wndclass.style = CS_HREDRAW | CS_VREDRAW ;wndclass.lpfnWndProc = WndProc ;wndclass.cbClsExtra = 0 ;wndclass.cbWndExtra = 0 ;wndclass.hInstance = hInstance ;wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;//wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;wndclass.hbrBackground = NULL ;wndclass.lpszMenuName = NULL ;wndclass.lpszClassName = szAppName ;if (!RegisterClass (&wndclass)){MessageBox (NULL, TEXT ("This program requires Windows NT!"),szAppName, MB_ICONERROR) ;return 0 ;}hwnd = CreateWindow (szAppName, TEXT ("LoadBitmap Demo"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT,CW_USEDEFAULT, CW_USEDEFAULT,NULL, NULL,hInstance, NULL) ;ShowWindow (hwnd, iCmdShow) ;UpdateWindow (hwnd) ;while (GetMessage (&msg, NULL, 0, 0)){TranslateMessage (&msg) ;DispatchMessage (&msg) ;}return msg.wParam ;}LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam){static HBITMAP hBitmap,hBitmap2,memBM;static int cxClient, cyClient, cxSource, cySource,cxSource2, cySource2 ,cxSourceresult;BITMAP bitmap,bitmap2 ,bitmap3;static HDC hdc, hdcMem = NULL,hdcMem2 ,hdcMem3;static HINSTANCE hInstance ;static long lDistance = -10,lSrcLocation = 0;static int xMouseLocationfirst ;static int xMouseLocationsecond;PAINTSTRUCT ps ;POINT MousePointFirst;POINT MousePointSecond;RECT ClientRect;static BOOL IsInitialize = TRUE; static BOOL IsRight = TRUE; static BOOL IsShowResultPage = FALSE;switch (message){case WM_CREATE:hInstance = ((LPCREATESTRUCT) lParam)->hInstance ;hBitmap = LoadBitmap (hInstance, TEXT ("IDB_BITMAP5")) ; //载入图片资源(注意,应该先将图片添加到工程里)hBitmap2 = LoadBitmap (hInstance,TEXT("IDB_BITMAP3"));return 0 ;case WM_SIZE:cxClient = LOWORD (lParam) ; //获得客户区大小cyClient = HIWORD (lParam) ;return 0 ;case WM_PAINT:hdc = BeginPaint (hwnd, &ps) ;//判断是否要显示最终的页面if(IsShowResultPage){//创建兼容DChdcMem = CreateCompatibleDC (hdc) ; hdcMem2 = CreateCompatibleDC (hdc) ;hdcMem3 = CreateCompatibleDC (hdc) ;SelectObject(hdcMem,hBitmap);SelectObject(hdcMem2,hBitmap2); //获得图片对象,从而获得图片的 长 宽(x,y)GetObject (hBitmap, sizeof (BITMAP), &bitmap) ; GetObject (hBitmap2, sizeof (BITMAP), &bitmap2) ;cxSource = bitmap.bmWidth ;cySource = bitmap.bmHeight ;cxSource2 = bitmap2.bmWidth ;cySource2 = bitmap2.bmHeight ;//创建与指定的设备环境相关的设备兼容的位图,注意x,应该为2张图片的x的和,获得兼容位图的x,ymemBM = CreateCompatibleBitmap(hdc,cxSource+cxSource2,cySource); SelectObject(hdcMem3,memBM);GetObject (memBM, sizeof (BITMAP), &bitmap3);cxSourceresult = bitmap3.bmWidth;//将要连接的2张图片,分别依次加入到兼容位图 memBM 中去,注意BitBlt 参数的设置(x)BitBlt(hdcMem3,0,0,cxSource,cySource,hdcMem,0,0,SRCCOPY);DeleteDC(hdcMem);BitBlt(hdcMem3,cxSource,0,cxSource2,cySource2,hdcMem2,0,0,SRCCOPY);DeleteDC(hdcMem2);//if(lSrcLocation >= cxSource/2)if(!IsRight){while(lSrcLocation <= cxSource ){BitBlt(hdc,0,0,cxSource+cxSource2,cySource,hdcMem3,lSrcLocation,0,SRCCOPY);lSrcLocation = lSrcLocation + 10;Sleep(1);}IsRight = TRUE;}else{while((lSrcLocation >= 0)/* && (lSrcLocation <= cxSource/2 )*/){BitBlt(hdc,0,0,cxSource+cxSource2,cySource,hdcMem3,lSrcLocation,0,SRCCOPY);lSrcLocation = lSrcLocation - 10;Sleep(1);}IsRight = FALSE;}DeleteObject(memBM);IsShowResultPage = FALSE;}else{//判断是否是刚启动程序,初始化客户区if(IsInitialize == TRUE){hdcMem = CreateCompatibleDC (hdc) ;hdcMem2 = CreateCompatibleDC (hdc) ;hdcMem3 = CreateCompatibleDC (hdc) ;SelectObject(hdcMem,hBitmap);SelectObject(hdcMem2,hBitmap2);GetObject (hBitmap, sizeof (BITMAP), &bitmap) ;GetObject (hBitmap2, sizeof (BITMAP), &bitmap2) ;cxSource = bitmap.bmWidth ;cySource = bitmap.bmHeight ;cxSource2 = bitmap2.bmWidth ;cySource2 = bitmap2.bmHeight ;memBM = CreateCompatibleBitmap(hdc,cxSource+cxSource2,cySource);SelectObject(hdcMem3,memBM);GetObject (memBM, sizeof (BITMAP), &bitmap3);cxSourceresult = bitmap3.bmWidth;BitBlt(hdcMem3,0,0,cxSource,cySource,hdcMem,0,0,SRCCOPY);DeleteDC(hdcMem);BitBlt(hdcMem3,cxSource,0,cxSource2,cySource2,hdcMem2,0,0,SRCCOPY);DeleteDC(hdcMem2);BitBlt(hdc,0,0,cxSource+cxSource2,cySource,hdcMem3,0,0,SRCCOPY);DeleteObject(memBM);}else{//TCHAR szBuf[MAX_PATH] = {0};lSrcLocation = lSrcLocation+lDistance;//wsprintf(szBuf,L"xRE = %d",lSrcLocation);//OutputDebugString(szBuf);hdcMem = CreateCompatibleDC (hdc) ;hdcMem2 = CreateCompatibleDC (hdc) ;hdcMem3 = CreateCompatibleDC (hdc) ;SelectObject(hdcMem,hBitmap);SelectObject(hdcMem2,hBitmap2);GetObject (hBitmap, sizeof (BITMAP), &bitmap) ;GetObject (hBitmap2, sizeof (BITMAP), &bitmap2) ;cxSource = bitmap.bmWidth ;cySource = bitmap.bmHeight ;cxSource2 = bitmap2.bmWidth ;cySource2 = bitmap2.bmHeight ;memBM = CreateCompatibleBitmap(hdc,cxSource+cxSource2,cySource);SelectObject(hdcMem3,memBM);BitBlt(hdcMem3,0,0,cxSource,cySource,hdcMem,0,0,SRCCOPY);DeleteDC(hdcMem);BitBlt(hdcMem3,cxSource,0,cxSource2,cySource2,hdcMem2,0,0,SRCCOPY);DeleteDC(hdcMem2);if(lSrcLocation >=cxSource ){BitBlt(hdc,0,0,cxSource+cxSource2,cySource,hdcMem3,cxSource,0,SRCCOPY);lSrcLocation = cxSource ;lDistance = 0;}else if(lSrcLocation <= 0){BitBlt(hdc,0,0,cxSource+cxSource2,cySource,hdcMem3,0,0,SRCCOPY);lSrcLocation = 0;lDistance = 0;}else{BitBlt(hdc,0,0,cxSource+cxSource2,cySource,hdcMem3,lSrcLocation,0,SRCCOPY);}DeleteObject(memBM);}}DeleteDC (hdcMem3) ;EndPaint (hwnd, &ps) ;return 0 ;case WM_MOUSEMOVE://当鼠标移动并且按下左键的时候,通过对比前后2次,鼠标位置的x值,来判断鼠标的移动方向if(wParam & MK_LBUTTON){IsInitialize = FALSE;xMouseLocationfirst = xMouseLocationsecond; GetCursorPos(&MousePointSecond);xMouseLocationsecond = MousePointSecond.x;if(xMouseLocationfirst >= xMouseLocationsecond){IsRight = FALSE;lDistance = +50;}else{IsRight = TRUE;lDistance = -50;}InvalidateRect(hwnd,NULL,TRUE);}return 0;case WM_LBUTTONUP:IsShowResultPage = TRUE;InvalidateRect(hwnd,NULL,TRUE);return 0;case WM_DESTROY:DeleteObject (hBitmap) ;PostQuitMessage (0) ;return 0 ;}return DefWindowProc (hwnd, message, wParam, lParam) ;}
