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#include "CPerson.h"
#include "CSweeper.h"
#include "CSqueegee.h"
#include <mmsystem.h>
#include <commctrl.h>
#include <stdio.h>
#include <commdlg.h>
enum ENUM_CLEANER { eSweeper=0, eSqueegee, eRandom};
#define MAXOBJECTS 100
#define CROWDSPEED_DEFAULT 19
#define RANDOMCLEANINTERVAL_DEFAULT 1
#define CLEANDELAY_DEFAULT 10
#define USEBITMAP_DEFAULT 0
#define FILENAME_DEFAULT "GDI+ Logo"
#define CLEANER_DEFAULT eSweeper
#define CROWDSIZE_DEFAULT 3
char szCrowdSpeed[]="CrowdSpeed";char szRandomCleanInterval[]="RandomCleanInterval";char szCleanDelay[]="CleanDelay";char szUseBitmap[]="UseBitmap";char szFilename[]="Filename";char szCleaner[]="Cleaner";char szCrowdSize[]="CrowdSize";
int g_cObjectMax;CObject *g_rgpaObject[MAXOBJECTS];CObject *g_paCleaner;TextureBrush *g_paBrCleanBkg=NULL;Bitmap *g_paBmDirtyBkg=NULL;DWORD g_dwCleanDelay;DWORD g_dwSimulateDelay;BOOL g_bRandomCleanInterval;BOOL g_bUseBitmap;ENUM_CLEANER g_eCleaner;char g_szFile[MAX_PATH];
BOOL WINAPI RegisterDialogClasses(HANDLE hInst){ return TRUE;}
void Browse(HWND hDlg){ char szFile[MAX_PATH]; OPENFILENAME ofn; HWND hWnd;
ZeroMemory(szFile,sizeof(szFile)); ZeroMemory(&ofn,sizeof(OPENFILENAME)); ofn.lStructSize=sizeof(OPENFILENAME); ofn.hwndOwner=hDlg; ofn.lpstrFile=szFile; ofn.nMaxFile=sizeof(szFile); ofn.lpstrFilter="All Supported\0*.bmp;*.jpg;*.jpeg;*.tif;*.tiff;*.png;*.gif;*.wmf;*.ico;*.emf\0Bitmap\0*.bmp\0JPEG\0*.jpg;*.jpeg\0TIFF\0*.tif;*.tiff\0PNG\0*.png\0GIF\0*.gif\0WMF\0*.wmf\0ICON\0*.ico\0EMF\0*.emf\0"; ofn.nFilterIndex=1; ofn.lpstrFileTitle=NULL; ofn.nMaxFileTitle=0; ofn.lpstrInitialDir=NULL; ofn.Flags=OFN_PATHMUSTEXIST|OFN_FILEMUSTEXIST|OFN_EXPLORER;
if (GetOpenFileName(&ofn)) { hWnd=GetDlgItem(hDlg,IDC_FILENAME); SendMessage(hWnd,WM_SETTEXT,0,(LPARAM)szFile); }}
BOOL WINAPI ScreenSaverConfigureDialog(HWND hDlg,UINT Msg,WPARAM wParam,LPARAM lParam){ HWND hWnd; LONG lCrowdSpeed=CROWDSPEED_DEFAULT; char szTemp[MAX_PATH];
switch(Msg) { case WM_INITDIALOG: InitCommonControls(); LoadString(hMainInstance,idsAppName,szAppName,40); LoadString(hMainInstance,idsIniFile,szIniFile,MAXFILELEN);
lCrowdSpeed=GetPrivateProfileInt(szAppName,szCrowdSpeed,CROWDSPEED_DEFAULT,szIniFile); g_bRandomCleanInterval=GetPrivateProfileInt(szAppName,szRandomCleanInterval,RANDOMCLEANINTERVAL_DEFAULT,szIniFile); g_dwCleanDelay=GetPrivateProfileInt(szAppName,szCleanDelay,CLEANDELAY_DEFAULT,szIniFile); g_bUseBitmap=GetPrivateProfileInt(szAppName,szUseBitmap,USEBITMAP_DEFAULT,szIniFile); GetPrivateProfileString(szAppName,szFilename,FILENAME_DEFAULT,g_szFile,MAX_PATH,szIniFile); g_eCleaner=(ENUM_CLEANER)GetPrivateProfileInt(szAppName,szCleaner,CLEANER_DEFAULT,szIniFile); g_cObjectMax=GetPrivateProfileInt(szAppName,szCrowdSize,CROWDSIZE_DEFAULT,szIniFile);
hWnd=GetDlgItem(hDlg,IDC_CROWDSPEED); SendMessage(hWnd,TBM_SETRANGE,(WPARAM)true,(LPARAM)MAKELONG(0,20)); SendMessage(hWnd,TBM_SETPAGESIZE,0,(LPARAM)20/8); SendMessage(hWnd,TBM_SETPOS,(WPARAM)true,(LPARAM)lCrowdSpeed);
hWnd=GetDlgItem(hDlg,IDC_CROWDSIZE); SendMessage(hWnd,TBM_SETRANGE,(WPARAM)true,(LPARAM)MAKELONG(1,10)); SendMessage(hWnd,TBM_SETPAGESIZE,0,(LPARAM)1); SendMessage(hWnd,TBM_SETPOS,(WPARAM)true,(LPARAM)g_cObjectMax);
hWnd=GetDlgItem(hDlg,IDC_FILENAME); SendMessage(hWnd,WM_SETTEXT,0,(LPARAM)g_szFile);
hWnd=GetDlgItem(hDlg,IDC_USEBITMAP); if (g_bUseBitmap) { SendMessage(hWnd,BM_SETCHECK,(WPARAM)true,0); } else { hWnd=GetDlgItem(hDlg,IDC_BROWSE); EnableWindow(hWnd,false); hWnd=GetDlgItem(hDlg,IDC_FILENAME); EnableWindow(hWnd,false); }
if (g_bRandomCleanInterval) { hWnd=GetDlgItem(hDlg,IDC_CLEANERRANDOMINTERVAL); SendMessage(hWnd,BM_SETCHECK,(WPARAM)true,0); } else { hWnd=GetDlgItem(hDlg,IDC_CLEANERGIVENINTERVAL); SendMessage(hWnd,BM_SETCHECK,(WPARAM)true,0); }
hWnd=GetDlgItem(hDlg,IDC_CLEANERGIVENINTERVAL); if (SendMessage(hWnd,BM_GETCHECK,0,0)==BST_CHECKED) { hWnd=GetDlgItem(hDlg,IDC_CLEANERINTERVAL); EnableWindow(hWnd,true); } else { hWnd=GetDlgItem(hDlg,IDC_CLEANERINTERVAL); EnableWindow(hWnd,false); }
switch(g_eCleaner) { case eSweeper: hWnd=GetDlgItem(hDlg,IDC_SWEEPER); SendMessage(hWnd,BM_SETCHECK,(WPARAM)true,0); break; case eSqueegee: hWnd=GetDlgItem(hDlg,IDC_SQUEEGEE); SendMessage(hWnd,BM_SETCHECK,(WPARAM)true,0); break; case eRandom: hWnd=GetDlgItem(hDlg,IDC_RANDOMCLEANER); SendMessage(hWnd,BM_SETCHECK,(WPARAM)true,0); break; }
hWnd=GetDlgItem(hDlg,IDC_CLEANERINTERVAL); _itoa(g_dwCleanDelay,szTemp,10); SendMessage(hWnd,WM_SETTEXT,0,(LPARAM)szTemp);
return TRUE; case WM_COMMAND: switch(LOWORD(wParam)) { case IDC_USEBITMAP: if (HIWORD(wParam)==BN_CLICKED) { hWnd=GetDlgItem(hDlg,IDC_BROWSE); EnableWindow(hWnd,!IsWindowEnabled(hWnd)); hWnd=GetDlgItem(hDlg,IDC_FILENAME); EnableWindow(hWnd,!IsWindowEnabled(hWnd)); } break; case IDC_CLEANERGIVENINTERVAL: hWnd=GetDlgItem(hDlg,IDC_CLEANERINTERVAL); EnableWindow(hWnd,true); break; case IDC_CLEANERRANDOMINTERVAL: hWnd=GetDlgItem(hDlg,IDC_CLEANERINTERVAL); EnableWindow(hWnd,false); break; case IDC_BROWSE: Browse(hDlg); break; case ID_OK: hWnd=GetDlgItem(hDlg,IDC_FILENAME); SendMessage(hWnd,WM_GETTEXT,(WPARAM)MAX_PATH,(LPARAM)g_szFile);
hWnd=GetDlgItem(hDlg,IDC_CROWDSPEED); lCrowdSpeed=SendMessage(hWnd,TBM_GETPOS,0,0); sprintf(szTemp,"%ld",lCrowdSpeed); WritePrivateProfileString(szAppName,szCrowdSpeed,szTemp,szIniFile);
hWnd=GetDlgItem(hDlg,IDC_CROWDSIZE); g_cObjectMax=SendMessage(hWnd,TBM_GETPOS,0,0); sprintf(szTemp,"%ld",g_cObjectMax); WritePrivateProfileString(szAppName,szCrowdSize,szTemp,szIniFile);
hWnd=GetDlgItem(hDlg,IDC_CLEANERRANDOMINTERVAL); g_bRandomCleanInterval=SendMessage(hWnd,BM_GETCHECK,0,0)==BST_CHECKED; sprintf(szTemp,"%ld",g_bRandomCleanInterval); WritePrivateProfileString(szAppName,szRandomCleanInterval,szTemp,szIniFile);
hWnd=GetDlgItem(hDlg,IDC_CLEANERINTERVAL); SendMessage(hWnd,WM_GETTEXT,(WPARAM)MAX_PATH,(LPARAM)szTemp); WritePrivateProfileString(szAppName,szCleanDelay,szTemp,szIniFile);
hWnd=GetDlgItem(hDlg,IDC_USEBITMAP); g_bUseBitmap=SendMessage(hWnd,BM_GETCHECK,0,0)==BST_CHECKED; sprintf(szTemp,"%ld",g_bUseBitmap); WritePrivateProfileString(szAppName,szUseBitmap,szTemp,szIniFile);
hWnd=GetDlgItem(hDlg,IDC_FILENAME); SendMessage(hWnd,WM_GETTEXT,(WPARAM)MAX_PATH,(LPARAM)szTemp); WritePrivateProfileString(szAppName,szFilename,szTemp,szIniFile);
hWnd=GetDlgItem(hDlg,IDC_SWEEPER); if (SendMessage(hWnd,BM_GETCHECK,0,0)==BST_CHECKED) { g_eCleaner=eSweeper; } hWnd=GetDlgItem(hDlg,IDC_SQUEEGEE); if (SendMessage(hWnd,BM_GETCHECK,0,0)==BST_CHECKED) { g_eCleaner=eSqueegee; } hWnd=GetDlgItem(hDlg,IDC_RANDOMCLEANER); if (SendMessage(hWnd,BM_GETCHECK,0,0)==BST_CHECKED) { g_eCleaner=eRandom; } sprintf(szTemp,"%ld",g_eCleaner); WritePrivateProfileString(szAppName,szCleaner,szTemp,szIniFile); case ID_CANCEL: EndDialog(hDlg,LOWORD(wParam)==ID_OK); return TRUE; } }
return FALSE;}
LRESULT WINAPI ScreenSaverProc(HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam){ static bool GdiplusInitialized = false; static ULONG_PTR gpToken; const UINT_PTR NEWCLEANER_TIMERID=1; const UINT_PTR SIMULATE_TIMERID=2; static bFirstRun=true; Graphics *g; int i; int nRand; RECT rDesktop; HDC hdcBkgBitmap; HDC hdcScreen; TextureBrush *paBrDirtyBkg=NULL; Bitmap *paBmCleanBkg=NULL; WCHAR wsFile[MAX_PATH]; LONG lCrowdSpeed;
GdiplusStartupInput sti; switch(Msg) { case WM_CREATE: // Initialize GDI+
if (GdiplusStartup(&gpToken, &sti, NULL) == Ok) { GdiplusInitialized = true; } else { break; }
LoadString(hMainInstance,idsAppName,szAppName,10); LoadString(hMainInstance,idsIniFile,szIniFile,MAXFILELEN);
// Load variables
lCrowdSpeed=GetPrivateProfileInt(szAppName,szCrowdSpeed,CROWDSPEED_DEFAULT,szIniFile); g_dwSimulateDelay=(20-lCrowdSpeed)*10; g_bRandomCleanInterval=GetPrivateProfileInt(szAppName,szRandomCleanInterval,RANDOMCLEANINTERVAL_DEFAULT,szIniFile); g_dwCleanDelay=GetPrivateProfileInt(szAppName,szCleanDelay,CLEANDELAY_DEFAULT,szIniFile)*1000; g_bUseBitmap=GetPrivateProfileInt(szAppName,szUseBitmap,USEBITMAP_DEFAULT,szIniFile); GetPrivateProfileString(szAppName,szFilename,FILENAME_DEFAULT,g_szFile,MAX_PATH,szIniFile); g_eCleaner=(ENUM_CLEANER)GetPrivateProfileInt(szAppName,szCleaner,CLEANER_DEFAULT,szIniFile); g_cObjectMax=GetPrivateProfileInt(szAppName,szCrowdSize,CROWDSIZE_DEFAULT,szIniFile);
srand((unsigned int)timeGetTime());
// Get desktop dimensions
GetClientRect(hWnd,&rDesktop);
g_paBmDirtyBkg=new Bitmap(rDesktop.right,rDesktop.bottom,PixelFormat32bppPARGB); if (g_bUseBitmap) { mbstowcs(wsFile,g_szFile,sizeof(g_szFile)); paBmCleanBkg=new Bitmap(wsFile); if (paBmCleanBkg->GetLastStatus()!=Ok) { delete paBmCleanBkg; paBmCleanBkg=new Bitmap((HINSTANCE)GetModuleHandle(NULL),(WCHAR*)MAKEINTRESOURCE(IDB_LOGO)); }
// Take snapshot of whole desktop for DirtyBkg
g=new Graphics(g_paBmDirtyBkg); hdcBkgBitmap=g->GetHDC(); hdcScreen=CreateDC("DISPLAY",NULL,NULL,NULL); StretchBlt(hdcBkgBitmap,0,0,rDesktop.right,rDesktop.bottom,hdcScreen,GetSystemMetrics(SM_XVIRTUALSCREEN),GetSystemMetrics(SM_YVIRTUALSCREEN),rDesktop.right,rDesktop.bottom,SRCCOPY); g->ReleaseHDC(hdcBkgBitmap); DeleteDC(hdcScreen); delete g; } else { // Take snapshot of whole desktop for CleanBkg
paBmCleanBkg=new Bitmap(rDesktop.right,rDesktop.bottom,PixelFormat32bppPARGB); g=new Graphics(paBmCleanBkg); hdcBkgBitmap=g->GetHDC(); hdcScreen=CreateDC("DISPLAY",NULL,NULL,NULL); StretchBlt(hdcBkgBitmap,0,0,rDesktop.right,rDesktop.bottom,hdcScreen,GetSystemMetrics(SM_XVIRTUALSCREEN),GetSystemMetrics(SM_YVIRTUALSCREEN),rDesktop.right,rDesktop.bottom,SRCCOPY); g->ReleaseHDC(hdcBkgBitmap); DeleteDC(hdcScreen); delete g;
g=new Graphics(g_paBmDirtyBkg); g->DrawImage(paBmCleanBkg,0,0,0,0,rDesktop.right,rDesktop.bottom,UnitPixel); delete g; }
// Make brush out of clean desktop
g_paBrCleanBkg=new TextureBrush(paBmCleanBkg,WrapModeTile); delete paBmCleanBkg;
for (i=0;i<g_cObjectMax;i++) { g_rgpaObject[i]=new CPerson(); g_rgpaObject[i]->Init(hWnd); }
SetTimer(hWnd,NEWCLEANER_TIMERID,g_dwCleanDelay,NULL); SetTimer(hWnd,SIMULATE_TIMERID,g_dwSimulateDelay,NULL); return 0; case WM_ERASEBKGND: return 0; case WM_TIMER: if(!GdiplusInitialized) { break; } switch (wParam) { case NEWCLEANER_TIMERID: if (g_paCleaner==NULL) { switch (g_eCleaner) { case eSweeper: g_paCleaner=new CSweeper(); break; case eSqueegee: g_paCleaner=new CSqueegee(); break; case eRandom: nRand=rand(); if (nRand<RAND_MAX/2) { g_paCleaner=new CSweeper(); } else { g_paCleaner=new CSqueegee(); } break; } g_paCleaner->Init(hWnd); } if (g_bRandomCleanInterval) { nRand=rand(); g_dwCleanDelay=(int)(((float)rand()/(float)RAND_MAX)*15000.0f+10000.0f); SetTimer(hWnd,NEWCLEANER_TIMERID,g_dwCleanDelay,NULL); } break; case SIMULATE_TIMERID: g=Graphics::FromHWND(hWnd);
if (bFirstRun) { // Blit to screen (used inside demo window in the display dialog box)
bFirstRun=false; GetClientRect(hWnd,&rDesktop); g->DrawImage(g_paBmDirtyBkg,0,0,0,0,rDesktop.right,rDesktop.bottom,UnitPixel); }
g->SetSmoothingMode(SmoothingModeNone); g->SetInterpolationMode(InterpolationModeNearestNeighbor);
for (i=0;i<g_cObjectMax;i++) { if (!g_rgpaObject[i]->Move(g)) { // Moved outside desktop, delete it and recreate another
delete g_rgpaObject[i]; g_rgpaObject[i]=new CPerson(); g_rgpaObject[i]->Init(hWnd); } } if (g_paCleaner!=NULL) { if (!g_paCleaner->Move(g)) { // Moved outside desktop, delete it and wait for the next
// NEWCLEANER_TIMERID to hit
delete g_paCleaner; g_paCleaner=NULL; } }
delete g; break; } break; case WM_DESTROY: if (!GdiplusInitialized) { break; } if (g_paBrCleanBkg!=NULL) { delete g_paBrCleanBkg; g_paBrCleanBkg=NULL; } if (g_paBmDirtyBkg!=NULL) { delete g_paBmDirtyBkg; g_paBmDirtyBkg=NULL; }
for (i=0;i<g_cObjectMax;i++) { if (g_rgpaObject[i]!=NULL) { delete g_rgpaObject[i]; g_rgpaObject[i]=NULL; } } if (g_paCleaner!=NULL) { delete g_paCleaner; g_paCleaner=NULL; }
KillTimer(hWnd,NEWCLEANER_TIMERID); KillTimer(hWnd,SIMULATE_TIMERID); GdiplusShutdown(gpToken); GdiplusInitialized = false; break; }
return DefScreenSaverProc(hWnd, Msg, wParam, lParam);}
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