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SplashScreen.cpp
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SplashScreen.cpp
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#include "StdAfx.h"
#include "resource.h"
#include "SplashScreen.h"
#include "shlwapi.h"
#include <thread>
#include <future>
#pragma comment(lib, "msimg32.lib")
int numFrames = 0;
CSplashScreen::CSplashScreen(HINSTANCE hInstance, DWORD nFadeoutTime, CImageLoader *pImgLoader,
CImageLoader* imageLoaders[],
LPCTSTR lpszPrefix, LPCTSTR lpszAppFileName)
{
m_strSplashClass = _T("SplashWindow");
m_strSplashClass += lpszPrefix;
m_hInstance = hInstance;
m_nFadeoutTime = nFadeoutTime;
m_strPrefix = lpszPrefix;
m_strAppFileName = lpszAppFileName;
m_pImgLoader = pImgLoader;
memset(&m_blend, 0, sizeof(m_blend));
m_nFadeoutEnd = 0;
while (imageLoaders[numFrames] != NULL) {
numFrames++;
}
for (int i = 0; i < numFrames; i++) {
if (m_pLoadImgLoader[i] != NULL) {
m_pLoadImgLoader[i] = imageLoaders[i];
}
}
}
CSplashScreen::~CSplashScreen(void)
{
}
HBITMAP CSplashScreen::CreateAlphaTextBitmap(LPCWSTR inText, HFONT inFont, COLORREF inColour) {
int TextLength = (int)wcslen(inText);
if (TextLength <= 0) return NULL;
// Create DC and select font into it
HDC hTextDC = CreateCompatibleDC(NULL);
HFONT hOldFont = (HFONT)SelectObject(hTextDC, inFont);
HBITMAP hMyDIB = NULL;
// Get text area
RECT TextArea = { 0, 0, 0, 0 };
DrawText(hTextDC, inText, TextLength, &TextArea, DT_CALCRECT);
if ((TextArea.right > TextArea.left) && (TextArea.bottom > TextArea.top)) {
BITMAPINFOHEADER BMIH;
memset(&BMIH, 0x0, sizeof(BITMAPINFOHEADER));
void *pvBits = NULL;
// Specify DIB setup
BMIH.biSize = sizeof(BMIH);
BMIH.biWidth = TextArea.right - TextArea.left;
BMIH.biHeight = TextArea.bottom - TextArea.top;
BMIH.biPlanes = 1;
BMIH.biBitCount = 32;
BMIH.biCompression = BI_RGB;
// Create and select DIB into DC
hMyDIB = CreateDIBSection(hTextDC, (LPBITMAPINFO)&BMIH, 0, (LPVOID*)&pvBits, NULL, 0);
HBITMAP hOldBMP = (HBITMAP)SelectObject(hTextDC, hMyDIB);
if (hOldBMP != NULL) {
// Set up DC properties
SetTextColor(hTextDC, 0x00FFFFFF);
SetBkColor(hTextDC, 0x00000000);
SetBkMode(hTextDC, OPAQUE);
// Draw text to buffer
DrawText(hTextDC, inText, TextLength, &TextArea, DT_NOCLIP);
BYTE* DataPtr = (BYTE*)pvBits;
BYTE FillR = GetRValue(inColour);
BYTE FillG = GetGValue(inColour);
BYTE FillB = GetBValue(inColour);
BYTE ThisA;
for (int LoopY = 0; LoopY < BMIH.biHeight; LoopY++) {
for (int LoopX = 0; LoopX < BMIH.biWidth; LoopX++) {
ThisA = *DataPtr; // Move alpha and pre-multiply with RGB
*DataPtr++ = (FillB * ThisA) >> 8;
*DataPtr++ = (FillG * ThisA) >> 8;
*DataPtr++ = (FillR * ThisA) >> 8;
*DataPtr++ = ThisA; // Set Alpha
}
}
// De-select bitmap
SelectObject(hTextDC, hOldBMP);
}
}
// De-select font and destroy temp DC
SelectObject(hTextDC, hOldFont);
DeleteDC(hTextDC);
// Return DIBSection
return hMyDIB;
}
// Calls UpdateLayeredWindow to set a bitmap (with alpha) as the content of the splash window.
void CSplashScreen::SetSplashImage(HWND hwndSplash, HBITMAP hbmpSplash)
{
// get the size of the bitmap
BITMAP bm;
POINT ptZero = { 0 };
GetObject(hbmpSplash, sizeof(bm), &bm);
SIZE sizeSplash = { bm.bmWidth, bm.bmHeight };
// get the primary monitor's info
HMONITOR hmonPrimary = MonitorFromPoint(ptZero, MONITOR_DEFAULTTOPRIMARY);
MONITORINFO monitorinfo = { 0 };
monitorinfo.cbSize = sizeof(monitorinfo);
GetMonitorInfo(hmonPrimary, &monitorinfo);
// center the splash screen in the middle of the primary work area
const RECT& rcWork = monitorinfo.rcWork;
POINT ptOrigin;
ptOrigin.x = rcWork.left + (rcWork.right - rcWork.left - sizeSplash.cx) / 2;
ptOrigin.y = rcWork.top + (rcWork.bottom - rcWork.top - sizeSplash.cy) / 2;
// create a memory DC holding the splash bitmap
HDC hdcScreen = GetDC(NULL);
HDC hdcMem = CreateCompatibleDC(hdcScreen);
HBITMAP hbmpOld = (HBITMAP)SelectObject(hdcMem, hbmpSplash);
// use the source image's alpha channel for blending
m_blend.BlendOp = AC_SRC_OVER;
m_blend.SourceConstantAlpha = 0xff;
m_blend.AlphaFormat = AC_SRC_ALPHA;
// paint the window (in the right location) with the alpha-blended bitmap
UpdateLayeredWindow(hwndSplash, hdcScreen, &ptOrigin, &sizeSplash, hdcMem, &ptZero, RGB(0, 0, 0), &m_blend, ULW_ALPHA);
// delete temporary objects
SelectObject(hdcMem, hbmpOld);
DeleteDC(hdcMem);
ReleaseDC(NULL, hdcScreen);
::SetWindowPos(hwndSplash, // handle to window
//HWND_TOPMOST, // placement-order handle
HWND_TOP,
ptOrigin.x, // horizontal position
ptOrigin.y, // vertical position
sizeSplash.cx, // width
sizeSplash.cy, // height
SWP_SHOWWINDOW); // window-positioning options);
}
void CSplashScreen::SetSplashImage(HWND hwndSplash, HBITMAP hbmpSplash, const std::wstring& text, int x, int y)
{
// get the size of the bitmap
BITMAP bm;
POINT ptZero = { 0 };
GetObject(hbmpSplash, sizeof(bm), &bm);
SIZE sizeSplash = { bm.bmWidth, bm.bmHeight };
// get the primary monitor's info
HMONITOR hmonPrimary = MonitorFromPoint(ptZero, MONITOR_DEFAULTTOPRIMARY);
MONITORINFO monitorinfo = { 0 };
monitorinfo.cbSize = sizeof(monitorinfo);
GetMonitorInfo(hmonPrimary, &monitorinfo);
// center the splash screen in the middle of the primary work area
const RECT& rcWork = monitorinfo.rcWork;
POINT ptOrigin;
ptOrigin.x = rcWork.left + (rcWork.right - rcWork.left - sizeSplash.cx) / 2;
ptOrigin.y = rcWork.top + (rcWork.bottom - rcWork.top - sizeSplash.cy) / 2;
// create a memory DC holding the splash bitmap
HDC hdcScreen = GetDC(NULL);
HDC hdcMem = CreateCompatibleDC(hdcScreen);
HBITMAP hbmpOld = (HBITMAP)SelectObject(hdcMem, hbmpSplash);
RECT TextArea = { 0, 0, 0, 0 };
HFONT TempFont = CreateFont(16, 0, 0, 0, FW_BOLD, 0, 0, 0, 0, 0, 0, CLEARTYPE_QUALITY, 0, L"Arial\0");
HBITMAP MyBMP = CreateAlphaTextBitmap(text.c_str(), TempFont, RGB(0, 0, 0));
DeleteObject(TempFont);
if (MyBMP) { // Create temporary DC and select new Bitmap into it
HDC hTempDC = CreateCompatibleDC(hdcMem);
HBITMAP hOldBMP = (HBITMAP)SelectObject(hTempDC, MyBMP);
if (hOldBMP) {
BITMAP BMInf; // Get Bitmap image size
GetObject(MyBMP, sizeof(BITMAP), &BMInf);
// Fill blend function and blend new text to window
BLENDFUNCTION bf;
bf.BlendOp = AC_SRC_OVER;
bf.BlendFlags = 0;
bf.SourceConstantAlpha = 0xBE; // 0x80 "alpha wert"
bf.AlphaFormat = AC_SRC_ALPHA;
AlphaBlend(hdcMem, x, y, BMInf.bmWidth, BMInf.bmHeight,
hTempDC, 0, 0, BMInf.bmWidth, BMInf.bmHeight, bf);
// Clean up
SelectObject(hTempDC, hOldBMP);
DeleteObject(MyBMP);
DeleteDC(hTempDC);
}
}
// use the source image's alpha channel for blending
m_blend.BlendOp = AC_SRC_OVER;
m_blend.SourceConstantAlpha = 0xff;
m_blend.AlphaFormat = AC_SRC_ALPHA;
// paint the window (in the right location) with the alpha-blended bitmap
UpdateLayeredWindow(hwndSplash, hdcScreen, &ptOrigin, &sizeSplash, hdcMem, &ptZero, RGB(0, 0, 0), &m_blend, ULW_ALPHA);
// delete temporary objects
SelectObject(hdcMem, hbmpOld);
DeleteDC(hdcMem);
ReleaseDC(NULL, hdcScreen);
::SetWindowPos(hwndSplash, // handle to window
//HWND_TOPMOST, // placement-order handle
HWND_TOP,
ptOrigin.x, // horizontal position
ptOrigin.y, // vertical position
sizeSplash.cx, // width
sizeSplash.cy, // height
SWP_SHOWWINDOW); // window-positioning options);
}
// Creates the splash owner window and the splash window.
HWND CSplashScreen::CreateSplashWindow()
{
HWND hwndOwner = CreateWindowEx(WS_EX_TOOLWINDOW, m_strSplashClass.c_str(), NULL, WS_POPUP, 0, 0, 0, 0, NULL, NULL, m_hInstance, NULL);
return CreateWindowEx(WS_EX_LAYERED + WS_EX_TOOLWINDOW, m_strSplashClass.c_str(), NULL, WS_POPUP | WS_VISIBLE, 0, 0, 0, 0, hwndOwner, NULL, m_hInstance, NULL);
}
// Registers a window class for the splash and splash owner windows.
void CSplashScreen::RegisterWindowClass()
{
WNDCLASS wc = { 0 };
wc.lpfnWndProc = DefWindowProc;
wc.hInstance = m_hInstance;
//wc.hIcon = LoadIcon(m_hInstance, MAKEINTRESOURCE(IDI_SPLASHICON));
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.lpszClassName = m_strSplashClass.c_str();
RegisterClass(&wc);
}
// Registers a window class for the splash and splash owner windows.
void CSplashScreen::UnregisterWindowClass() {
UnregisterClass(m_strSplashClass.c_str(), m_hInstance);
}
HANDLE CSplashScreen::LaunchWpfApplication(HWND hwndSplash, HBITMAP hbmpSplash)
{
// get folder of the current process
TCHAR szCurrentFolder[MAX_PATH] = { 0 };
GetModuleFileName(NULL, szCurrentFolder, MAX_PATH);
PathRemoveFileSpec(szCurrentFolder);
// add the application name to the path
TCHAR szApplicationPath[MAX_PATH];
if (m_strFullPath.length() > 0) {
lstrcpy(szApplicationPath, m_strFullPath.c_str());
}
else {
PathCombine(szApplicationPath, szCurrentFolder, m_strAppFileName.c_str());
}
// check if the file exists
if (!PathFileExists(szApplicationPath))
{
std::wstring startappname(m_strAppFileName.c_str());
std::wstring concatted_stdstr = L"The required application file \"" + startappname + L"\" was not found! The installation seems to be corrupted.";
LPCWSTR concatted = concatted_stdstr.c_str();
MessageBox(NULL, concatted, (LPCWSTR)L"FrontFace Assistant", MB_ICONERROR | MB_OK);
return NULL;
}
// start the application
STARTUPINFO si = { 0 };
si.cb = sizeof(si);
PROCESS_INFORMATION pi = { 0 };
CreateProcess(szApplicationPath, GetCommandLine(), NULL, NULL, FALSE, 0, NULL, szCurrentFolder, &si, &pi);
return pi.hProcess;
}
bool CSplashScreen::FadeWindowOut(HWND hWnd) {
DWORD dtNow = GetTickCount64();
if (dtNow >= m_nFadeoutEnd)
{
return true;
}
else
{
double fade = ((double)m_nFadeoutEnd - (double)dtNow) / (double)m_nFadeoutTime;
m_blend.SourceConstantAlpha = (byte)(255 * fade);
UpdateLayeredWindow(hWnd, NULL, NULL, NULL, NULL, NULL, RGB(0, 0, 0), &m_blend, ULW_ALPHA);
return false;
}
}
std::atomic<bool> interruptAnimation(false);
std::mutex animationMutex;
bool exitanimation = false;
inline DWORD CSplashScreen::PumpMsgWaitForMultipleObjects(HWND hWnd, DWORD nCount, LPHANDLE pHandles, DWORD dwMilliseconds, HBITMAP combinedBitmapAnim[], HBITMAP combinedBitmapAnimas[], const std::wstring& text)
{
// useful variables
const DWORD dwStartTickCount = ::GetTickCount64();
// loop until done
if (exitanimation == false) {
std::lock_guard<std::mutex> lock(animationMutex);
// Create a thread for the animation
std::thread animationThread([&]() {
while (true) {
AnimationCycle(hWnd, combinedBitmapAnim, numFrames, text);
}
});
// Detach the thread if you don't need to wait for it to finish
animationThread.detach();
}
for (;;)
{
const DWORD dwElapsed = GetTickCount64() - dwStartTickCount;
const DWORD dwTimeout = dwMilliseconds == INFINITE ? INFINITE : dwElapsed < dwMilliseconds ? dwMilliseconds - dwElapsed : 0;
// wait for a handle to be signaled or a message
const DWORD dwWaitResult = MsgWaitForMultipleObjects(nCount, pHandles, FALSE, dwTimeout, QS_ALLINPUT);
if (dwWaitResult == WAIT_OBJECT_0 + nCount)
{
// pump messages
MSG msg;
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) != FALSE)
{
if (msg.message == WM_QUIT)
{
// repost quit message and return
PostQuitMessage((int)msg.wParam);
return WAIT_OBJECT_0 + nCount;// Ïðåðâàòü âûïîëíåíèå àíèìàöèè
interruptAnimation.store(true);
exitanimation = true;
}
// dispatch thread message
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
else if (dwWaitResult == WAIT_OBJECT_0)
{
interruptAnimation.store(true);
exitanimation = true;
Return:
MSG msg;
// timeout on actual wait or any other object
SetTimer(hWnd, 1, 30, NULL);
m_nFadeoutEnd = GetTickCount64() + m_nFadeoutTime;
BOOL bRet;
while ((bRet = GetMessage(&msg, hWnd, 0, 0)) != 0)
{
if (bRet == -1)
{
// handle the error and possibly exit
}
else
{
if (msg.message == WM_TIMER)
{
interruptAnimation.store(true);
exitanimation = true;
if (FadeWindowOut(hWnd))
{ // finished
return dwWaitResult;
}
}
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
}
else
{
interruptAnimation.store(true);
exitanimation = true;
goto Return;
}
}
}
bool first = true;
int CSplashScreen::AnimationCycle(HWND hWnd, HBITMAP combinedBitmapAnim[], int arraySize, const std::wstring& text)
{
if (first == true) {
for (int i = 0; i < arraySize; i++, Sleep(1)) {
if (interruptAnimation.load())
{
return 0;
}
if (combinedBitmapAnim[0] != NULL) {
std::thread splashThread([this, hWnd, text, bitmap = combinedBitmapAnim[i]]() {
SetSplashImage(hWnd, bitmap, text, 420, 435);
});
splashThread.detach();
}
std::this_thread::sleep_for(std::chrono::milliseconds(50));
}
first = false;
}
else {
for (int i = 0; i < arraySize; i++, Sleep(1)) {
if (interruptAnimation.load())
{
return 0;
}
if (combinedBitmapAnim[0] != NULL) {
std::thread splashThread([this, hWnd, text, bitmap = combinedBitmapAnim[i]]() {
SetSplashImage(hWnd, bitmap);
});
splashThread.detach();
}
std::this_thread::sleep_for(std::chrono::milliseconds(50));
}
}
return 0;
}
void CSplashScreen::Show()
{
CoInitialize(0);
// create the named close splash screen event, making sure we're the first process to create it
SetLastError(ERROR_SUCCESS);
std::basic_string<TCHAR> strEvent1 = _T("CloseSplashScreenEvent") + m_strPrefix;
HANDLE hCloseSplashEvent = CreateEvent(NULL, TRUE, FALSE, strEvent1.c_str());
if (GetLastError() == ERROR_ALREADY_EXISTS) {
ExitProcess(0);
}
std::basic_string<TCHAR> strEvent2 = _T("CloseSplashScreenWithoutFadeEvent") + m_strPrefix;
HANDLE hCloseSplashWithoutFadeEvent = CreateEvent(NULL, TRUE, FALSE, strEvent2.c_str());
if (GetLastError() == ERROR_ALREADY_EXISTS) {
ExitProcess(0);
}
HWND wnd = NULL;
RegisterWindowClass();
TCHAR szCurrentFolder[MAX_PATH] = { 0 };
GetModuleFileName(NULL, szCurrentFolder, MAX_PATH);
PathRemoveFileSpec(szCurrentFolder);
// add the application name to the path
TCHAR szApplicationPath[MAX_PATH];
if (m_strFullPath.length() > 0) {
lstrcpy(szApplicationPath, m_strFullPath.c_str());
}
else {
PathCombine(szApplicationPath, szCurrentFolder, m_strAppFileName.c_str());
}
// check if the file exists
if (!PathFileExists(szApplicationPath))
{
std::wstring startappname(m_strAppFileName.c_str());
std::wstring concatted_stdstr = L"The required application file \"" + startappname + L"\" was not found! The installation seems to be corrupted.";
LPCWSTR concatted = concatted_stdstr.c_str();
MessageBox(NULL, concatted, (LPCWSTR)L"FrontFace Assistant", MB_ICONERROR | MB_OK);
}
// Get version info
DWORD verHandle = 0;
UINT size = 0;
LPBYTE lpBuffer = NULL;
DWORD verSize = GetFileVersionInfoSize(szApplicationPath, &verHandle);
TCHAR version_buffer[32] = {};
if (verSize != NULL)
{
LPSTR verData = new char[verSize];
if (GetFileVersionInfo(szApplicationPath, verHandle, verSize, verData))
{
if (VerQueryValue(verData, L"\\", (VOID FAR * FAR*) & lpBuffer, &size))
{
if (size)
{
VS_FIXEDFILEINFO* verInfo = (VS_FIXEDFILEINFO*)lpBuffer;
if (verInfo->dwSignature == 0xfeef04bd)
{
DWORD v_major = (verInfo->dwProductVersionMS >> 16) & 0xffff;
DWORD v_minor = (verInfo->dwProductVersionMS >> 0) & 0xffff;
DWORD v_build = (verInfo->dwProductVersionLS >> 16) & 0xffff;
#if defined(PREVIEW_BUILD) || defined(_DEBUG)
swprintf_s(version_buffer, _T("Version %u.%u.%u (PREVIEW)"), v_major, v_minor, v_build);
#else
swprintf_s(version_buffer, _T("Version %u.%u.%u"), v_major, v_minor, v_build);
#endif
}
}
}
}
delete[] verData;
}
HBITMAP* combinedBitmapAnim = new HBITMAP[numFrames];
HBITMAP hb1 = m_pImgLoader->LoadSplashImage();
if (hb1 != NULL) {
wnd = CreateSplashWindow();
SetSplashImage(wnd, hb1);
}
for (int i = 0; i < numFrames; i++) {
HBITMAP frame = m_pLoadImgLoader[i]->LoadSplashImage();
HBITMAP combinedBitmap = CombineBitmaps(hb1, frame);
combinedBitmapAnim[i] = combinedBitmap;
}
HANDLE hProcess = LaunchWpfApplication(wnd, *combinedBitmapAnim);
AllowSetForegroundWindow(GetProcessId(hProcess));
if (wnd != NULL) {
HANDLE handles[3] = { hProcess, hCloseSplashEvent, hCloseSplashWithoutFadeEvent };
PumpMsgWaitForMultipleObjects(wnd, 3, &handles[0], INFINITE, combinedBitmapAnim, combinedBitmapAnim, std::wstring(version_buffer));
}
CloseHandle(hCloseSplashEvent);
CloseHandle(hCloseSplashWithoutFadeEvent);
UnregisterWindowClass();
}
HBITMAP CSplashScreen::CombineBitmaps(HBITMAP hb1, HBITMAP hb2) {
BITMAP bm1, bm2;
// Get information about the first bitmap
GetObject(hb1, sizeof(BITMAP), &bm1);
// Get information about the second bitmap
GetObject(hb2, sizeof(BITMAP), &bm2);
// Calculate the center position within the combined bitmap
int centerX = (bm1.bmWidth - bm2.bmWidth) / 2;
int centerY = (bm1.bmHeight - bm2.bmHeight) / 2;
// Create a new bitmap with the combined dimensions
HBITMAP hCombinedBitmap = CreateCompatibleBitmap(GetDC(NULL), bm1.bmWidth, bm1.bmHeight);
// Create device contexts for the source bitmaps and the combined bitmap
HDC hdcSrc1 = CreateCompatibleDC(NULL);
HDC hdcSrc2 = CreateCompatibleDC(NULL);
HDC hdcDest = CreateCompatibleDC(NULL);
// Select the bitmaps into their respective device contexts
HBITMAP hOld1 = (HBITMAP)SelectObject(hdcSrc1, hb1);
HBITMAP hOld2 = (HBITMAP)SelectObject(hdcSrc2, hb2);
HBITMAP hOldDest = (HBITMAP)SelectObject(hdcDest, hCombinedBitmap);
// Copy the first bitmap to the combined bitmap
BitBlt(hdcDest, 0, 0, bm1.bmWidth, bm1.bmHeight, hdcSrc1, 0, 0, SRCCOPY);
// Set up alpha blending parameters
BLENDFUNCTION blendFunc;
blendFunc.BlendOp = AC_SRC_OVER;
blendFunc.BlendFlags = 0;
blendFunc.SourceConstantAlpha = 255; // Use full opacity (255) for the second bitmap
blendFunc.AlphaFormat = AC_SRC_ALPHA;
// Perform alpha blending of the second bitmap onto the combined bitmap
// and set animation posititon
AlphaBlend(hdcDest, centerX, centerY+40, bm2.bmWidth, bm2.bmHeight, hdcSrc2, 0, 0, bm2.bmWidth, bm2.bmHeight, blendFunc);
// Clean up and release the device contexts
SelectObject(hdcSrc1, hOld1);
SelectObject(hdcSrc2, hOld2);
SelectObject(hdcDest, hOldDest);
DeleteDC(hdcSrc1);
DeleteDC(hdcSrc2);
DeleteDC(hdcDest);
return hCombinedBitmap;
}
void CSplashScreen::SetFullPath(LPCTSTR lpszPath) {
m_strFullPath = lpszPath;
}