bool IsPanningAndRotate(ScreenBase const & s1, ScreenBase const & s2)
{
m2::RectD const & r1 = s1.GlobalRect().GetLocalRect();
m2::RectD const & r2 = s2.GlobalRect().GetLocalRect();
m2::PointD c1 = r1.Center();
m2::PointD c2 = r2.Center();
m2::PointD globPt(c1.x - r1.minX(),
c1.y - r1.minY());
m2::PointD p1 = s1.GtoP(s1.GlobalRect().ConvertFrom(c1)) - s1.GtoP(s1.GlobalRect().ConvertFrom(c1 + globPt));
m2::PointD p2 = s2.GtoP(s2.GlobalRect().ConvertFrom(c2)) - s2.GtoP(s2.GlobalRect().ConvertFrom(c2 + globPt));
return p1.EqualDxDy(p2, 0.00001);
}
// static
void Animation::GetCurrentScreen(TPropertyCache const & properties, ScreenBase const & screen, ScreenBase & currentScreen)
{
currentScreen = screen;
if (!properties.empty())
{
double scale = currentScreen.GetScale();
double angle = currentScreen.GetAngle();
m2::PointD pos = currentScreen.GlobalRect().GlobalZero();
PropertyValue value;
if (GetCachedProperty(properties, Object::MapPlane, ObjectProperty::Scale, value))
scale = value.m_valueD;
if (GetCachedProperty(properties, Object::MapPlane, ObjectProperty::Angle, value))
angle = value.m_valueD;
if (GetCachedProperty(properties, Object::MapPlane, ObjectProperty::Position, value))
pos = value.m_valuePointD;
currentScreen.SetFromParams(pos, angle, scale);
}
}
bool ReadManager::MustDropAllTiles(ScreenBase const & screen) const
{
int const oldScale = df::GetDrawTileScale(m_currentViewport);
int const newScale = df::GetDrawTileScale(screen);
return (oldScale != newScale) || !m_currentViewport.GlobalRect().IsIntersect(screen.GlobalRect());
}
m2::PointD CalculateCenter(ScreenBase const & screen, m2::PointD const & userPos,
m2::PointD const & pixelPos, double azimuth)
{
double const scale = screen.GlobalRect().GetLocalRect().SizeX() / screen.PixelRect().SizeX();
return CalculateCenter(scale, screen.PixelRect(), userPos, pixelPos, azimuth);
}