// Routine to find out which windows have moved
// If copyrect detection isn't perfect then this call returns
// the copyrect destination region, to allow the caller to check
// for mistakes
void
vncDesktop::CalcCopyRects(rfb::UpdateTracker &tracker)
{
HWND foreground = GetForegroundWindow();
RECT foreground_rect;
// Actually, we just compare the new and old foreground window & its position
if (foreground != m_foreground_window) {
m_foreground_window=foreground;
// Is the window invisible or can we not get its rect?
if (!IsWindowVisible(foreground) ||
!GetWindowRect(foreground, &foreground_rect)) {
m_foreground_window_rect.clear();
} else {
m_foreground_window_rect = foreground_rect;
}
} else {
// Same window is in the foreground - let's see if it's moved
RECT destrect;
rfb::Rect dest;
rfb::Point source;
// Get the window rectangle
if (IsWindowVisible(foreground) && GetWindowRect(foreground, &destrect))
{
rfb::Rect old_foreground_window_rect = m_foreground_window_rect;
source = m_foreground_window_rect.tl;
m_foreground_window_rect = dest = destrect;
if (!dest.is_empty() && !old_foreground_window_rect.is_empty())
{
// Got the destination position. Now send to clients!
if (!source.equals(dest.tl))
{
rfb::Point delta = rfb::Point(dest.tl.x-source.x, dest.tl.y-source.y);
// Clip the destination rectangle
dest = dest.intersect(m_bmrect);
if (dest.is_empty()) return;
// Clip the source rectangle
dest = dest.translate(delta.negate()).intersect(m_bmrect);
dest = dest.translate(delta);
if (!dest.is_empty()) {
// Tell the buffer about the copyrect
m_buffer.CopyRect(dest, delta);
// Notify all clients of the copyrect
tracker.add_copied(dest, delta);
}
}
}
} else {
m_foreground_window_rect.clear();
}
}
}
////////////////////////////////////////////////////////////////////////////////////
// Modif rdv@2002 - v1.1.x - videodriver
void
vncDesktopThread::copy_bitmaps_to_buffer(ULONG i,rfb::Region2D &rgncache,rfb::UpdateTracker &tracker)
{
rfb::Rect rect;
int x = m_desktop->pchanges_buf->pointrect[i].rect.left;
int w = m_desktop->pchanges_buf->pointrect[i].rect.right-m_desktop->pchanges_buf->pointrect[i].rect.left;
int y = m_desktop->pchanges_buf->pointrect[i].rect.top;
int h = m_desktop->pchanges_buf->pointrect[i].rect.bottom-m_desktop->pchanges_buf->pointrect[i].rect.top;
//vnclog.Print(LL_INTINFO, VNCLOG("Driver ************* %i %i %i %i \n"),x,y,w,h);
if (!ClipRect(&x, &y, &w, &h, m_desktop->m_bmrect.tl.x, m_desktop->m_bmrect.tl.y,
m_desktop->m_bmrect.br.x-m_desktop->m_bmrect.tl.x, m_desktop->m_bmrect.br.y-m_desktop->m_bmrect.tl.y)) return;
//vnclog.Print(LL_INTINFO, VNCLOG("Driver ************* %i %i %i %i \n"),x,y,w,h);
rect.tl.x = x;
rect.br.x = x+w;
rect.tl.y = y;
rect.br.y = y+h;
switch(m_desktop->pchanges_buf->pointrect[i].type)
{
case SCREEN_SCREEN:
{
int dx=m_desktop->pchanges_buf->pointrect[i].point.x;
int dy=m_desktop->pchanges_buf->pointrect[i].point.y;
if (!m_screen_moved && (dx==0 || dy==0) )
{
//// Fix in case !Cliprect
int xx=x;
int yy=y;
int hh=h;
int ww=w;
if (ClipRect(&xx,&yy,&ww,&hh,m_desktop->m_bmrect.tl.x, m_desktop->m_bmrect.tl.y,
m_desktop->m_bmrect.br.x-m_desktop->m_bmrect.tl.x, m_desktop->m_bmrect.br.y-m_desktop->m_bmrect.tl.y))
{
rect.tl.x=xx;
rect.tl.y=yy;
rect.br.x=xx+ww;
rect.br.y=yy+hh;
rgncache.assign_union(rect);
}
//////////////////////
// Fix Eckerd
x=x+dx;;
y=y+dy;;
if (!ClipRect(&x,&y,&w,&h,m_desktop->m_bmrect.tl.x, m_desktop->m_bmrect.tl.y,
m_desktop->m_bmrect.br.x-m_desktop->m_bmrect.tl.x, m_desktop->m_bmrect.br.y-m_desktop->m_bmrect.tl.y)) return;
//////////////////////
// Fix Eckerd
rect.tl.x=x-dx;
rect.tl.y=y-dy;
rect.br.x=x+w-dx;
rect.br.y=y+h-dy;
rfb::Point delta = rfb::Point(-dx,-dy);
rgncache.assign_union(rect);
tracker.add_copied(rect, delta);
// vnclog.Print(LL_INTINFO, VNCLOG("Copyrect \n"));
}
else
{
rgncache.assign_union(rect);
}
break;
}
case SOLIDFILL:
case TEXTOUT:
case BLEND:
case TRANS:
case PLG:
case BLIT:;
rgncache.assign_union(rect);
break;
default:
break;
}
}