ON_BOOL32
ON_SurfaceProxy::Transpose()
{
DestroySurfaceTree();
m_bTransposed = (m_bTransposed) ? false : true;
return true;
}
bool ON_PlaneSurface::Extend(
int dir,
const ON_Interval& domain
)
{
if ( dir < 0 || dir > 1 ) return false;
bool changed = false;
ON_Interval tdom = Domain(dir);
ON_Interval xdom = m_extents[dir];
if (domain[0] < Domain(dir)[0]){
changed = true;
tdom[0] = domain[0];
xdom[0] = m_extents[dir].ParameterAt( m_domain[dir].NormalizedParameterAt(domain[0]));
}
if (domain[1] > Domain(dir)[1]){
changed = true;
tdom[1] = domain[1];
xdom[1] = m_extents[dir].ParameterAt( m_domain[dir].NormalizedParameterAt(domain[1]));
}
if (!changed) return false;
DestroySurfaceTree();
m_domain[dir] = tdom;
m_extents[dir] = xdom;
return true;
}
bool ON_NurbsSurface::Morph( const ON_SpaceMorph& morph )
{
DestroySurfaceTree();
ON_BOOL32 bIsClosed[2];
ON_BOOL32 bIsPeriodic[2];
ON_BOOL32 bIsSingular[4];
int i;
for ( i = 0; i < 2; i++ )
{
bIsClosed[i] = IsClosed(i);
bIsPeriodic[i] = IsPeriodic(i);
}
for ( i = 0; i < 4; i++ )
bIsSingular[i] = IsSingular(i);
for ( i = 0; i < m_cv_count[0]; i++ )
{
morph.MorphPointList( m_dim, m_is_rat,
m_cv_count[1], m_cv_stride[1],
CV(i,0) );
}
for ( i = 0; i < 4; i++ )
{
if ( bIsSingular[i] )
CollapseSide(i);
}
// TODO - if input was closed/periodic make output the same
return true;
}
void ON_SurfaceProxy::SetProxySurface( const ON_Surface* proxy_surface )
{
// setting m_surface=0 prevents crashes if user has deleted
// "real" surface before calling SetProxySurface().
m_surface = 0;
DestroySurfaceTree();
if ( proxy_surface == this )
proxy_surface = 0;
m_surface = proxy_surface;
m_bTransposed = false;
}
ON_BOOL32 ON_PlaneSurface::SetDomain(
int dir,
double t0,
double t1
)
{
bool rc = false;
if ( dir >= 0 && dir <= 1 && t0 < t1 )
{
rc = true;
m_domain[dir].Set(t0,t1);
DestroySurfaceTree();
}
return rc;
}
ON_Surface& ON_Surface::operator=(const ON_Surface& src)
{
DestroySurfaceTree();
ON_Geometry::operator=(src);
return *this;
}
