drape_ptr<MapLinearAnimation> GetSetRectAnimation(ScreenBase const & screen,
m2::AnyRectD const & startRect, m2::AnyRectD const & endRect)
{
auto anim = make_unique_dp<MapLinearAnimation>();
double const startScale = CalculateScale(screen.PixelRect(), startRect.GetLocalRect());
double const endScale = CalculateScale(screen.PixelRect(), endRect.GetLocalRect());
anim->SetRotate(startRect.Angle().val(), endRect.Angle().val());
anim->SetMove(startRect.GlobalCenter(), endRect.GlobalCenter(), screen);
anim->SetScale(startScale, endScale);
anim->SetMaxScaleDuration(kMaxAnimationTimeSec);
return anim;
}
// startRect - mercator visible on screen rect in moment when user release fingers.
// direction - mercator space direction of moving. length(direction) - mercator distance on wich map will be offset.
KineticScrollAnimation(m2::AnyRectD const & startRect, m2::PointD const & direction, double duration)
: BaseModelViewAnimation(duration)
, m_targetCenter(startRect.GlobalCenter() + direction)
, m_angle(startRect.Angle())
, m_localRect(startRect.GetLocalRect())
, m_direction(direction)
{
}
void ScreenBase::SetFromRects(m2::AnyRectD const & glbRect, m2::RectD const & pxRect)
{
double hScale = glbRect.GetLocalRect().SizeX() / pxRect.SizeX();
double vScale = glbRect.GetLocalRect().SizeY() / pxRect.SizeY();
m_Scale = max(hScale, vScale);
m_Angle = glbRect.Angle();
m_Org = glbRect.GlobalCenter();
UpdateDependentParameters();
}