ON_BOOL32 ON_AnnotationArrow::GetBBox( double* boxmin, double* boxmax, ON_BOOL32 bGrowBox ) const
{
ON_BOOL32 rc = ON_GetPointListBoundingBox( 3, false, 1, 3, m_tail, boxmin, boxmax, bGrowBox?true:false );
if (rc)
rc = ON_GetPointListBoundingBox( 3, false, 1, 3, m_head, boxmin, boxmax, true );
return rc;
}
bool ON_3dPointArray::GetBBox( // returns true if successful
double boxmin[3],
double boxmax[3],
int bGrowBox
) const
{
return ON_GetPointListBoundingBox( 3, false, Count(), 3, (m_a) ? &m_a[0].x : 0, boxmin, boxmax, bGrowBox );
}
bool ON_2fVectorArray::GetBBox(
float boxmin[2],
float boxmax[2],
bool bGrowBox
) const
{
return ON_GetPointListBoundingBox( 2, false, Count(), 2, (m_a) ? &m_a[0].x : 0, boxmin, boxmax, bGrowBox );
}
bool ON_2fPointArray::GetBBox( // returns true if successful
float boxmin[2],
float boxmax[2],
int bGrowBox
) const
{
return ON_GetPointListBoundingBox( 2, false, Count(), 2, (m_a) ? &m_a[0].x : 0, boxmin, boxmax, bGrowBox );
}
bool ON_3dVectorArray::GetBBox(
double boxmin[3],
double boxmax[3],
bool bGrowBox
) const
{
return ON_GetPointListBoundingBox( 3, false, Count(), 3, (m_a) ? &m_a[0].x : 0, boxmin, boxmax, bGrowBox );
}
ON_BOOL32
ON_LineCurve::GetBBox( // returns true if successful
double* boxmin, // minimum
double* boxmax, // maximum
ON_BOOL32 bGrowBox
) const
{
return ON_GetPointListBoundingBox( m_dim, false, 2, 3, m_line.from,
boxmin, boxmax, bGrowBox?true:false
);
}
ON_BOOL32
ON_PlaneSurface::GetBBox( // returns true if successful
double* boxmin, // minimum
double* boxmax, // maximum
ON_BOOL32 bGrowBox
) const
{
int i,j,k=0;
ON_3dPoint corner[4];
for ( i = 0; i < 2; i++ ) for ( j = 0; j < 2; j++ ) {
corner[k++] = PointAt( m_domain[0].m_t[i], m_domain[1].m_t[j] );
}
return ON_GetPointListBoundingBox( 3, 0, 4, 3,
&corner[0].x,
boxmin,
boxmax, bGrowBox?true:false );
}
bool ON_BezierCage::GetBBox( // returns true if successful
double* boxmin, // minimum
double* boxmax, // maximum
int bGrowBox // true means grow box
) const
{
int i, j;
bool rc = (m_order[0] > 0 && m_order[1] > 0 && m_order[2] > 0) ? true : false;
for ( i = 0; rc && i < m_order[0]; i++ )
for ( j = 0; rc && j < m_order[1]; j++ )
{
rc = ON_GetPointListBoundingBox( m_dim, m_is_rat, m_order[2], m_cv_stride[2],
CV(i,j,0), boxmin, boxmax, bGrowBox );
bGrowBox = true;
}
return rc;
}
bool ON_PointGrid::GetTightBoundingBox(
ON_BoundingBox& tight_bbox,
int bGrowBox,
const ON_Xform* xform
) const
{
if ( bGrowBox && !tight_bbox.IsValid() )
{
bGrowBox = false;
}
if ( !bGrowBox )
{
tight_bbox.Destroy();
}
int i;
for ( i = 0; i < m_point_count[0]; i++ )
{
if ( ON_GetPointListBoundingBox( 3, 0, m_point_count[1], 3, &m_point[i].x, tight_bbox, bGrowBox, xform ) )
bGrowBox = true;
}
return bGrowBox?true:false;
}
ON_BOOL32 ON_Point::GetBBox( double* boxmin, double* boxmax, ON_BOOL32 bGrowBox ) const
{
return ON_GetPointListBoundingBox( 3, 0, 1, 3, &point.x, boxmin, boxmax, bGrowBox?true:false );
}
ON_BOOL32 ON_Light::GetBBox( // returns true if successful
double* boxmin, // boxmin[dim]
double* boxmax, // boxmax[dim]
ON_BOOL32 bGrowBox
) const
{
bool rc = true;
ON_3dPointArray points(16);
switch(m_style)
{
case ON::camera_directional_light:
case ON::world_directional_light:
points.Append(m_location);
points.Append(m_location+m_direction);
break;
case ON::camera_point_light:
case ON::world_point_light:
points.Append(m_location);
break;
case ON::camera_spot_light:
case ON::world_spot_light:
if ( m_spot_angle > 0.0 && m_spot_angle < 90.0 )
{
double r = m_direction.Length()*tan(ON_PI*m_spot_angle/180.0);
ON_Circle c(ON_Plane(m_location+m_direction,m_direction),r);
ON_BoundingBox cbox = c.BoundingBox();
cbox.GetCorners( points );
}
else
{
points.Append(m_location+m_direction);
}
points.Append(m_location);
break;
case ON::ambient_light:
points.Append(m_location);
rc = false;
break;
case ON::world_linear_light:
points.Append(m_location);
points.Append(m_location+m_length);
break;
case ON::world_rectangular_light:
points.Append(m_location);
points.Append(m_location+m_length);
points.Append(m_location+m_width);
points.Append(m_location+m_width+m_length);
{
// include target and direction marker to avoid display clipping
ON_3dPoint center(m_location+(m_width+m_length)*0.5);
points.Append(center+m_direction);
ON_3dVector marker(m_direction);
marker.Unitize();
marker *= (m_width+m_length).Length()/12.0; // from GetRectangularLightSegments
points.Append(center+marker);
}
break;
default:
rc = false;
break;
}
if ( rc && points.Count() > 0 )
{
rc = ON_GetPointListBoundingBox( 3, 0, points.Count(), 3,
(double*)points.Array(),
boxmin, boxmax,
bGrowBox?true:false )
? true
: false;
}
return rc;
}
