//---------------------------------------------------------------------------
// capture window as FIBITMAP - caller must FIP->FI_Unload(dib)
FIBITMAP* CaptureWindow(HWND hCapture, BOOL bClientArea, BOOL bIndirectCapture)
{
FIBITMAP* dib;
HWND hForegroundWin;
RECT rect;//cropping rect
if (!hCapture || !IsWindow(hCapture))
return NULL;
hForegroundWin = GetForegroundWindow(); // old foreground window
SetForegroundWindow(hCapture); // force target foreground
BringWindowToTop(hCapture); // bring it to top as well
/// redraw window to prevent runtime artifacts in picture
UpdateWindow(hCapture);
HWND hParent = GetAncestor(hCapture, GA_PARENT);
if (hParent && !IsChild(hParent, hCapture))
hParent = NULL;
if (bIndirectCapture) {
intptr_t wastopmost = GetWindowLongPtr(hCapture, GWL_EXSTYLE)&WS_EX_TOPMOST;
if (!wastopmost)
SetWindowPos(hCapture, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
if (bClientArea) {
GetClientRect(hCapture, &rect);
ClientToScreen(hCapture, (POINT*)&rect);
rect.right += rect.left; rect.bottom += rect.top;
}
else
GetWindowRect(hCapture, &rect);
dib = CaptureMonitor(NULL, &rect);
if (!wastopmost)
SetWindowPos(hCapture, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
}
else {
HDC hDCsrc;
GetWindowRect(hCapture, &rect);
if (hParent)
hDCsrc = GetDC(hCapture);//hCapture is part of a window, capture that
else
hDCsrc = GetWindowDC(hCapture);//entire window w/ title bar
rect.right = ABS(rect.right - rect.left);
rect.bottom = ABS(rect.bottom - rect.top);
rect.left = rect.top = 0;
/// capture window and get FIBITMAP
dib = CreateDIBFromDC(hDCsrc, &rect, hCapture);
ReleaseDC(hCapture, hDCsrc);
if (bClientArea) {//we could capture directly, but doing so breaks GetWindowRgn() and also includes artifacts...
GetWindowRect(hCapture, &rect);
RECT rectCA; GetClientRect(hCapture, &rectCA);
ClientToScreen(hCapture, (POINT*)&rectCA);
rectCA.left = ABS(rectCA.left - rect.left);
rectCA.top = ABS(rectCA.top - rect.top);
rectCA.right += rectCA.left; rectCA.bottom += rectCA.top;
/// crop the window to ClientArea
FIBITMAP* dibClient = FIP->FI_Copy(dib, rectCA.left, rectCA.top, rectCA.right, rectCA.bottom);
FIP->FI_Unload(dib);
dib = dibClient;
}
}
if (hForegroundWin) {//restore previous foreground window
SetForegroundWindow(hForegroundWin);
BringWindowToTop(hForegroundWin);
}
return dib;
}
void TfrmMain::wmTimer(WPARAM wParam, LPARAM lParam) {
if (wParam == ID_bvlTarget) { // Timer for Target selector
static int primarymouse;
if(!m_hTargetHighlighter) {
primarymouse=GetSystemMetrics(SM_SWAPBUTTON)?VK_RBUTTON:VK_LBUTTON;
m_hTargetHighlighter=CreateWindowEx(WS_EX_LAYERED|WS_EX_TRANSPARENT|WS_EX_TOOLWINDOW,(LPTSTR)g_clsTargetHighlighter,NULL,WS_POPUP,0,0,0,0,NULL,NULL,hInst,NULL);
if(!m_hTargetHighlighter) return;
SetLayeredWindowAttributes(m_hTargetHighlighter,0,123,LWA_ALPHA);
SetSystemCursor(CopyCursor(IcoLib_GetIcon(ICO_PLUG_SSTARGET)),OCR_NORMAL);
Hide();
}
if(!(GetAsyncKeyState(primarymouse)&0x8000)) {
KillTimer(m_hWnd,ID_bvlTarget);
SystemParametersInfo(SPI_SETCURSORS,0,NULL,0);
DestroyWindow(m_hTargetHighlighter),m_hTargetHighlighter=NULL;
SetTargetWindow(m_hTargetWindow);
Show();
return;
}
POINT point;
GetCursorPos(&point);
m_hTargetWindow=WindowFromPoint(point);
if(!((GetAsyncKeyState(VK_SHIFT)|GetAsyncKeyState(VK_MENU))&0x8000))
for(HWND hTMP; (hTMP=GetParent(m_hTargetWindow)); m_hTargetWindow=hTMP);
if(m_hTargetWindow!=m_hLastWin) {
m_hLastWin=m_hTargetWindow;
RECT rect;
GetWindowRect(m_hLastWin,&rect);
int width=rect.right-rect.left;
int height=rect.bottom-rect.top;
if(g_iTargetBorder) {
SetWindowPos(m_hTargetHighlighter,NULL,0,0,0,0,SWP_HIDEWINDOW|SWP_NOMOVE|SWP_NOSIZE);
if(width>g_iTargetBorder*2 && height>g_iTargetBorder*2) {
HRGN hRegnNew=CreateRectRgn(0,0,width,height);
HRGN hRgnHole=CreateRectRgn(g_iTargetBorder,g_iTargetBorder,width-g_iTargetBorder,height-g_iTargetBorder);
CombineRgn(hRegnNew,hRegnNew,hRgnHole,RGN_XOR);
DeleteObject(hRgnHole);
SetWindowRgn(m_hTargetHighlighter,hRegnNew,FALSE);//cleans up hRegnNew
} else SetWindowRgn(m_hTargetHighlighter,NULL,FALSE);
}
SetWindowPos(m_hTargetHighlighter,HWND_TOPMOST,rect.left,rect.top,width,height,SWP_SHOWWINDOW|SWP_NOACTIVATE);
}
return;
}
if (wParam == ID_chkTimed) { // Timer for Screenshot
#ifdef _DEBUG
OutputDebugStringA("SS Bitmap Timer Start\r\n" );
#endif
if(!m_bCapture) { //only start once
if (m_Screenshot) {
FIP->FI_Unload(m_Screenshot);
m_Screenshot = NULL;
}
m_bCapture = true;
switch (m_opt_tabCapture) {
case 0:
m_Screenshot = CaptureWindow(m_hTargetWindow, m_opt_chkClientArea);
break;
case 1:
m_Screenshot = CaptureMonitor((m_opt_cboxDesktop > 0) ? m_Monitors[m_opt_cboxDesktop-1].szDevice : NULL);
break;
default:
KillTimer(m_hWnd,ID_chkTimed);
m_bCapture = false;
#ifdef _DEBUG
OutputDebugStringA("SS Bitmap Timer Stop (no tabCapture)\r\n" );
#endif
return;
}
if (!m_Screenshot) m_bCapture = false;
}
if (m_Screenshot) {
KillTimer(m_hWnd,ID_chkTimed);
m_bCapture = false;
#ifdef _DEBUG
OutputDebugStringA("SS Bitmap Timer Stop (CaptureDone)\r\n" );
#endif
SendMessage(m_hWnd,UM_EVENT, 0, (LPARAM)EVT_CaptureDone);
}
}
}
