void CWsWindow::RestartAnimations(const TRegion& aNewRegion)
{
//When not ChangeTracking, restarting is handled by AddRedrawRegion (called from CWsWindow::SetVisibleRegion) and TWalkWindowTreeScheduleRegions
WS_ASSERT_DEBUG(iScreen->ChangeTracking(),EWsPanicNoChangetracking);
//Restart uncovered window animations
for (CWsAnim* anim = iAnimList; anim; anim = anim->Next())
{
if(!iScreen->IsScheduled(EWindowAnim, anim->BestRect(), this) && aNewRegion.Intersects(anim->BestRect()))
{
iScreen->ScheduleAnimation(EWindowAnim, anim->BestRect(), 0, 0, 0, this);
}
}
//Restart uncovered sprite animations
for (CWsSpriteBase* sprite = iSpriteList; sprite; sprite = sprite->Next())
{
if(!iScreen->IsScheduled(ESpriteAnim, sprite->Rect(), sprite->Win()) && aNewRegion.Intersects(sprite->Rect()))
{
iScreen->ScheduleAnimation(ESpriteAnim, sprite->Rect(), 0, 0, 0, sprite->Win());
}
}
}
//This function sets up the quick fadable region.
//It removes anything that cannot be quick faded, and schedules it to be drawn in the normal fashion.
void CWsWindow::SetFadeableRegion(const TRegion& aNewFadableRegion, const TRegion& aTop)
{
WS_ASSERT_DEBUG(iScreen, EWsPanicNoScreen);
iFadableRegion.Copy(aNewFadableRegion);
//Try to figure out if any part of iFadableRegion can be quick faded (i.e. fading applied to
//the screen without first having to redraw all visible windows intersecting the region).
if ( !iFadableRegion.IsEmpty() && iScreen->IsQuickFadeScheduled(this) )
{
if (IsTranslucent())
{
//If a window is semitransparent, then we cannot apply a quickfade to it if
//the window below is faded too.
iScreen->AddRedrawRegion(iVisibleRegion, EFalse, ERedrawAll);
iScreen->RemoveFromQuickFadeList(this);
}
else
{
iQuickFadeRegion.Intersection(iFadableRegion, aTop);
//Remove any regions not possible to quick fade from iQuickFadeRegion and
//schedule these regions for full back-front rendering instead.
STACK_REGION nonQuickFadableRegion;
for(CWsSpriteBase * sprite = iSpriteList; sprite; sprite = sprite->Next())
{
nonQuickFadableRegion.AddRect(sprite->Rect());
}
for(CWsAnim * anim = iAnimList; anim; anim = anim->Next())
{
nonQuickFadableRegion.AddRect(anim->BestRect());
}
RWsTextCursor* const cursor = CWsTop::CurrentTextCursor();
if( cursor && (cursor->Window()==this) && cursor->IsStandardCursorActive() )
{
nonQuickFadableRegion.AddRect(cursor->Rect());
}
//Any regions scheduled for fading but partly or fully covered by transparent windows above them
STACK_REGION coveredFadableRegion;
coveredFadableRegion.Copy(iFadableRegion);
coveredFadableRegion.SubRegion(iQuickFadeRegion);
nonQuickFadableRegion.Union(coveredFadableRegion);
coveredFadableRegion.Close();
nonQuickFadableRegion.Tidy();
//Remove any regions not possible to quick fade from iQuickFadeRegion
iQuickFadeRegion.SubRegion(nonQuickFadableRegion);
if (!nonQuickFadableRegion.CheckError())
{
//Schedule normal drawing (full back to front rendering) for the region not possible to quick fade
if (!nonQuickFadableRegion.IsEmpty())
{
iScreen->AddRedrawRegion(nonQuickFadableRegion, EFalse, ERedrawAll);
}
}
else
{
//Schedule normal drawing for the whole iVisibleRegion if the calculations are broken
iScreen->AddRedrawRegion(iVisibleRegion, EFalse, ERedrawAll);
}
nonQuickFadableRegion.Close();
}
}
else
{
iQuickFadeRegion.Reset();
}
}