void TaskbarWnd::cacheIconicRepresentation()
{
if ( hbm_cached_ && !::IsZoomed(doc) ) {
return;
}
RECT r;
::GetWindowRect( mol::win::mdiClient(), &r );
RECT cr;
::GetClientRect( doc, &cr );
POINT p = {cr.right,cr.bottom};
::ClientToScreen( doc, &p );
if ( p.y > r.bottom )
{
p.y = r.bottom;
}
if ( p.x > r.right )
{
p.x = r.right;
}
::ScreenToClient( doc, &p );
// snap
Gdiplus::Bitmap src(p.x, p.y, PixelFormat32bppPARGB );
{
Gdiplus::Graphics gsnap( &src );
gsnap.Clear( 0x00ffffff );
HDC mem = gsnap.GetHDC();
BOOL bret = PrintWindow2( doc, mem, 1 );
gsnap.Flush();
gsnap.ReleaseHDC(mem);
}
if ( hbm_cached_ )
{
::DeleteObject( (HGDIOBJ)hbm_cached_);
}
src.GetHBITMAP(Gdiplus::Color::Black, &hbm_cached_);
enableTabs(true);
DwmInvalidateIconicBitmaps(*this);
}
void InvalidateIconicBitmaps(HWND hwnd) {
DwmInvalidateIconicBitmaps(hwnd);
}
/*!
Forces Windows to refresh the cached pixmap it received from \a sendPreview.
*/
void IntegratedMainWindow::invalidateThumbnail()
{
#ifdef Q_WS_WIN
DwmInvalidateIconicBitmaps(winId());
#endif
}
