小球api.rar_rolling ball

#include<windows.h> #include<math.h> #include"ball.h" /////////////////////////////////////////////// // //WinMain函数 // int APIENTRY WinMain ( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow ) { MSG msg; if(!InitApplication(hInstance)) return FALSE; if(!InitInstance(hInstance,nCmdShow)) return FALSE; while(GetMessage(&msg,NULL,0,0)) { TranslateMessage(&msg); DispatchMessage(&msg); } return msg.wParam; } /////////////////////////////////////////////// // //主窗口处理函数 // LRESULT APIENTRY MainWndProc ( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam ) { HDC hDC; PAINTSTRUCT ps; HBRUSH hBrush; HMENU hMenu0; switch(message) { case WM_CREATE: SetTimer(hWnd,1,5,NULL); break; //----------------------------------------------------------------------------------- case WM_TIMER: if(flag4) InvalidateRect(hWnd,NULL,1); break; case WM_PAINT: hDC=BeginPaint(hWnd,&ps); SetMapMode(hDC,MM_ISOTROPIC); SetWindowExtEx(hDC,150,150,NULL);//设置窗口区域 SetViewportExtEx(hDC,150,100,NULL);//设置视口区域 SetViewportOrgEx(hDC,120,60,NULL);//设置视口原点 hBrush=CreateSolidBrush(RGB(BkgRGB[0],BkgRGB[1],BkgRGB[2])); SelectObject(hDC,hBrush); Rectangle(hDC,0,0,nlength,nwidth); hBrush=CreateSolidBrush(RGB(BallRGB[0],BallRGB[1],BallRGB[2])); SelectObject(hDC,hBrush); Ellipse(hDC,(int)(nX-Radious),(int)(nY-Radious),(int)(nX+Radious),(int)(nY+Radious)); alfa=alfa/180*PI; if(flag1) { nX+=xMove; if(nX>nlength-Radious) { nX=nlength-Radious; flag1=FALSE; } } else { nX-=xMove; if(nX<Radious) { nX=Radious; flag1=TRUE; } } if(flag2) { nY-=yMove; if(nY<Radious) { nY=Radious; flag2=FALSE; } } else { nY+=yMove; if(nY>nwidth-Radious) { nY=nwidth-Radious; flag2=TRUE; } } EndPaint(hWnd,&ps); break; //菜单事件 case WM_COMMAND: switch(LOWORD(wParam)) { case IDM_BALLRGB: flag3=TRUE; DialogBox(hInst,"RGBDlg",hWnd,(DLGPROC)RGBDlgProc); break; case IDM_BKGRGB: flag3=FALSE; DialogBox(hInst,"RGBDlg",hWnd,(DLGPROC)RGBDlgProc); break; case IDM_ANGLE: DialogBox(hInst,"ANGLEDLG",hWnd,(DLGPROC)ANGDlgProc); break; case IDM_R1: Radious=30; hMenu0=GetMenu(hWnd); CheckMenuItem(hMenu0,IDM_R1,MF_BYCOMMAND|MF_CHECKED); CheckMenuItem(hMenu0,IDM_R2,MF_BYCOMMAND|MF_UNCHECKED); CheckMenuItem(hMenu0,IDM_R3,MF_BYCOMMAND|MF_UNCHECKED); break; case IDM_R2: Radious=40; hMenu0=GetMenu(hWnd); CheckMenuItem(hMenu0,IDM_R1,MF_BYCOMMAND|MF_UNCHECKED); CheckMenuItem(hMenu0,IDM_R2,MF_BYCOMMAND|MF_CHECKED); CheckMenuItem(hMenu0,IDM_R3,MF_BYCOMMAND|MF_UNCHECKED); break; case IDM_R3: Radious=50; hMenu0=GetMenu(hWnd); CheckMenuItem(hMenu0,IDM_R1,MF_BYCOMMAND|MF_UNCHECKED); CheckMenuItem(hMenu0,IDM_R2,MF_BYCOMMAND|MF_UNCHECKED); CheckMenuItem(hMenu0,IDM_R3,MF_BYCOMMAND|MF_CHECKED); break; case IDM_START: flag4=TRUE; hMenu=GetMenu(hWnd); EnableMenuItem(hMenu,IDM_START,MF_GRAYED); EnableMenuItem(hMenu,IDM_STOP,MF_ENABLED); EnableMenuItem(hMenu,IDM_RESERT,MF_ENABLED); break; case IDM_STOP: flag4=FALSE; EnableMenuItem(hMenu,IDM_START,MF_ENABLED); EnableMenuItem(hMenu,IDM_STOP,MF_GRAYED); break; case IDM_RESERT: flag4=FALSE; nX=Radious; nY=nwidth-Radious; EnableMenuItem(hMenu,IDM_START,MF_ENABLED); EnableMenuItem(hMenu,IDM_STOP,MF_GRAYED); EnableMenuItem(hMenu,IDM_RESERT,MF_GRAYED); InvalidateRect(hWnd,NULL,1); break; case IDM_EXIT: PostQuitMessage(0); break; case IDM_ABOUT: DialogBox(hInst,"ABOUT",hWnd,(DLGPROC)About); break; default: return DefWindowProc(hWnd,message,wParam,lParam); } break; case WM_DESTROY: PostQuitMessage(0); KillTimer(hWnd,1); break; default: return DefWindowProc(hWnd,message,wParam,lParam); } return 0; } //////////////////////////////////////////////////////////////////////////////////////// // //颜色设置对话框处理函数 // BOOL APIENTRY RGBDlgProc ( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam ) { static int CurrentVal[3],PrevVal[3]; static HWND hwScroll[3]; char szString[10]; int i; switch(message) { case WM_INITDIALOG: //分别设置滚动条的范围和初始位置 for(i=0;i<3;i++) { if(flag3) { CurrentVal[i]=BallRGB[i]; PrevVal[i]=BallRGB[i]; } else { CurrentVal[i]=BkgRGB[i]; PrevVal[i]=BkgRGB[i]; } hwScroll[i]=GetDlgItem(hDlg,IDC_RED+i); SetScrollRange(hwScroll[i],SB_CTL,0,255,FALSE); SetScrollPos(hwScroll[i],SB_CTL,CurrentVal[i],TRUE); SetDlgItemText(hDlg,IDC_VALRED+i,itoa(CurrentVal[i],szString,10)); } SetFocus(hwScroll[0]); break; //处理滚动条通知消息 case WM_HSCROLL: i=0; while(hwScroll[i]!=(HWND)lParam) i++; switch(LOWORD(wParam)) { case SB_LINEDOWN: CurrentVal[i]++; if(CurrentVal[i]>255) CurrentVal[i]=255; break; case SB_LINEUP: CurrentVal[i]--; if(CurrentVal[i]<0) CurrentVal[i]=0; break; case SB_PAGEDOWN: CurrentVal[i]+=(255-CurrentVal[i]/2); break; case SB_PAGEUP: CurrentVal[i]-=CurrentVal[i]/2; break; case SB_THUMBTRACK: CurrentVal[i]=HIWORD(wParam); break; case SB_TOP: CurrentVal[i]=0; break; case SB_BOTTOM: CurrentVal[i]=255; break; } //设定滚动条的位置及其对应的文字 SetScrollPos(hwScroll[i],SB_CTL,CurrentVal[i],TRUE); SetDlgItemText(hDlg,IDC_VALRED+i,itoa(CurrentVal[i],szString,10)); if(flag3) BallRGB[i]=CurrentVal[i]; else BkgRGB[i]=CurrentVal[i]; break; case WM_COMMAND: switch(wParam) { case IDOK: for(i=0;i<3;i++) if(flag3) BallRGB[i]=CurrentVal[i]; else BkgRGB[i]=CurrentVal[i]; EndDialog(hDlg,TRUE); return TRUE; case IDCANCEL: for(i=0;i<3;i++) if(flag3) BallRGB[i]=PrevVal[i]; else BkgRGB[i]=PrevVal[i]; EndDialog(hDlg,TRUE); return TRUE; } break; } return FALSE; } //////////////////////////////////////////////////////////////// // //About对话框消息处理函数 // BOOL APIENTRY 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,TRUE); return TRUE; } break; } return FALSE; } ///////////////////////////////////////////////////// // //角度对话框处理函数 // BOOL APIENTRY ANGDlgProc( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam ) { static HWND hComBox; double jiaodu; char Ang[]=""; int nMax; //组合框输入字符串的长度 char combox[]="" , //存放组合框输入的字符 *stop; //为函数strtol定义的终止字符指针 switch(message) { case WM_INITDIALOG: hComBox=GetDlgItem(hDlg,IDC_COMBO); SetWindowText(hComBox,"45"); SendDlgItemMessage(hDlg,IDC_COMBO,CB_ADDSTRING,0,(LPARAM)"0"); SendDlgItemMessage(hDlg,IDC_COMBO,CB_ADDSTRING,0,(LPARAM)"30"); SendDlgItemMessage(hDlg,IDC_COMBO,CB_ADDSTRING,0,(LPARAM)"45"); SendDlgItemMessage(hDlg,IDC_COMBO,CB_ADDSTRING,0,(LPARAM)"60"); SendDlgItemMessage(hDlg,IDC_COMBO,CB_ADDSTRING,0,(LPARAM)"90"); return TRUE; case WM_COMMAND: switch(