EXPORT_C void CHuiTexture::SetSize(const TSize& aSize)
{
// if there are multiple
// segments already defined we have to recalculate (rescale)
// the logical sizes and offsets for the individual segments
// to match the new logical size
if (SegmentCount()>0 && iSize.iWidth > 0 && iSize.iHeight > 0)
{
for (TInt s = 0; s < SegmentCount(); s++)
{
TSize oldSize(SegmentSize(s));
TSize newSize(oldSize.iWidth * aSize.iWidth / iSize.iWidth,
oldSize.iHeight * aSize.iHeight / iSize.iHeight);
TPoint oldOffset(SegmentOffset(s));
TPoint newOffset(oldOffset.iX * aSize.iWidth / iSize.iWidth,
oldOffset.iY * aSize.iHeight / iSize.iHeight);
SetSegmentSize(s, newSize);
SetSegmentOffset(s, newOffset);
}
}
// assign new logical size
iSize = aSize;
}
EXPORT_C TInt CHuiTexture::ClearL(const TSize& aSize, const TRgb& aColor)
{
// Always assign new logical size
SetSize(aSize);
// if there are no segments, configure them based on the given size!
ASSERT(SegmentCount() != 0 || (aSize.iWidth > 0 && aSize.iHeight > 0));
if(SegmentCount() == 0)
{
SetupSegmentsL(aSize, aSize);
}
// clear all segments..
for(TInt segment = 0; segment < SegmentCount(); ++segment)
{
TRAPD(err, SegmentClearL(segment, EFalse, aColor, 0) );
if(err == KErrNoMemory)
{
HUI_DEBUG2(_L("CHuiTexture::Clear() - Out of memory trying to clear segment %i from \"%S\"."),
segment, &ImageFileName());
return err;
}
else if(err != KErrNone)
{
HUI_DEBUG1(_L("CHuiTexture::Clear() - SegmentClearL failed with error code %i."), err);
return err;
}
else
{
// for PC lint
}
}
// succeeded!
return KErrNone;
}
const OPT<SHAPE_LINE_CHAIN::INTERSECTION> SHAPE_LINE_CHAIN::SelfIntersecting() const
{
for( int s1 = 0; s1 < SegmentCount(); s1++ )
{
for( int s2 = s1 + 1; s2 < SegmentCount(); s2++ )
{
const VECTOR2I s2a = CSegment( s2 ).A, s2b = CSegment( s2 ).B;
if( s1 + 1 != s2 && CSegment( s1 ).Contains( s2a ) )
{
INTERSECTION is;
is.our = CSegment( s1 );
is.their = CSegment( s2 );
is.p = s2a;
return is;
}
else if( CSegment( s1 ).Contains( s2b ) &&
// for closed polylines, the ending point of the
// last segment == starting point of the first segment
// this is a normal case, not self intersecting case
!( IsClosed() && s1 == 0 && s2 == SegmentCount()-1 ) )
{
INTERSECTION is;
is.our = CSegment( s1 );
is.their = CSegment( s2 );
is.p = s2b;
return is;
}
else
{
OPT_VECTOR2I p = CSegment( s1 ).Intersect( CSegment( s2 ), true );
if( p )
{
INTERSECTION is;
is.our = CSegment( s1 );
is.their = CSegment( s2 );
is.p = *p;
return is;
}
}
}
}
return OPT<SHAPE_LINE_CHAIN::INTERSECTION>();
}
int SHAPE_LINE_CHAIN::FindSegment( const VECTOR2I& aP ) const
{
for( int s = 0; s < SegmentCount(); s++ )
if( CSegment( s ).Distance( aP ) <= 1 )
return s;
return -1;
}
void FileBundleWriter::CreateSegment() {
std::string seg_name = khMakeNumericFilename(kSegmentFilePrefix,
SegmentCount(),
kSegmentFileSuffixLength);
if (SegmentCount() >= kSegmentFileCountMax) {
throw khSimpleException
("FileBundleWriter::CreateSegment: max segment file count exceeded");
}
FileBundle::AddSegment(new FileBundleWriterSegment(file_pool(),
abs_path(),
seg_name,
last_segment_id_++,
mode_ & ~kExecuteMode));
notify(NFY_DEBUG, "FileBundleWriter::CreateSegment added %llu: %s",
static_cast<long long unsigned>(SegmentCount() - 1), seg_name.c_str());
}
int SHAPE_LINE_CHAIN::Length() const
{
int l = 0;
for( int i = 0; i < SegmentCount(); i++ )
l += CSegment( i ).Length();
return l;
}
EXPORT_C TUint CHuiTexture::SegmentName(TInt aSegment) const
{
ASSERT(aSegment < SegmentCount());
if(iPlaceholder)
{
return iPlaceholder->SegmentName(aSegment);
}
return iSegments[aSegment].iName;
}
EXPORT_C TPoint CHuiTexture::SegmentOffset(TInt aSegment) const
{
ASSERT(aSegment < SegmentCount());
if(iPlaceholder)
{
return iPlaceholder->SegmentOffset(aSegment);
}
return iSegments[aSegment].iOffset;
}
EXPORT_C TSize CHuiTexture::SegmentTextureSize(TInt aSegment) const
{
ASSERT(aSegment < SegmentCount());
if(iPlaceholder)
{
return iPlaceholder->SegmentTextureSize(aSegment);
}
return iSegments[aSegment].iTextureSize;
}
bool ON_Polyline::ClosestPointTo( const ON_3dPoint& point, double *t, int segment_index0, int segment_index1 ) const
{
bool rc = false;
int segment_index;
double segment_t, segment_d, best_t, best_d;
best_t = 0.0; // to keep lint quiet
best_d = 0.0; // to keep lint quiet
if ( t ) {
if ( segment_index0 < 0 )
segment_index0 = 0;
if ( segment_index1 > SegmentCount() )
segment_index1 = SegmentCount();
for ( segment_index = segment_index0; segment_index < segment_index1; segment_index++ ) {
double seg_length = m_a[segment_index].DistanceTo(m_a[segment_index + 1]);
if (seg_length < ON_EPSILON)
segment_t = 0.0;
else {
const ON_3dVector D = SegmentTangent(segment_index);
const int i = ( point.DistanceTo(m_a[segment_index]) <= point.DistanceTo(m_a[segment_index+1]) ) ? 0 : 1;
segment_t = (point - m_a[segment_index+i])*D/seg_length;
if ( i ) {
segment_t = 1.0 + segment_t;
}
if ( segment_t < 0.0 )
segment_t = 0.0;
else if (segment_t > 1.0 )
segment_t = 1.0;
}
segment_d = point.DistanceTo((1-segment_t)*m_a[segment_index] + segment_t*m_a[segment_index+1]);
if ( !rc || segment_d < best_d )
{
best_t = segment_t + ((double)segment_index);
best_d = segment_d;
}
rc = true;
}
}
if (rc)
*t = best_t;
return rc;
}
int SHAPE_LINE_CHAIN::Distance( const VECTOR2I& aP, bool aOutlineOnly ) const
{
int d = INT_MAX;
if( IsClosed() && PointInside( aP ) && !aOutlineOnly )
return 0;
for( int s = 0; s < SegmentCount(); s++ )
d = std::min( d, CSegment( s ).Distance( aP ) );
return d;
}
// Test if all segments of the polyedge are surface edges
bool ON_PolyEdgeCurve::ContainsAllEdges() const
{
int i, count = SegmentCount();
for( i = 0; i < count; i++)
{
ON_PolyEdgeSegment* segment = SegmentCurve(i);
if( NULL == segment || NULL == segment->Edge())
{
return false;
}
}
return true;
}
void CHuiTexture::GenerateBlobL(const TSize& aSize)
{
SetSize(aSize);
// calculate parameters for the segments..
SetupSegmentsL(aSize, aSize);
ASSERT(SegmentCount()==1);
TSize textureSize = SegmentTextureSize(0);
TUint8* buffer = new (ELeave) TUint8[
textureSize.iWidth * textureSize.iHeight * 4];
CleanupStack::PushL( buffer );
/** @todo This is too slow. Just load a pregenerated texture. */
TUint8* ptr = buffer;
for(TInt y = 0; y < textureSize.iHeight; y++)
{
for(TInt x = 0; x < textureSize.iWidth; x++, ptr += 4)
{
ptr[0] = ptr[1] = ptr[2] = 255;
TReal32 dx = TReal32(x) - textureSize.iWidth/2.f;
TReal32 dy = TReal32(y) - textureSize.iHeight/2.f;
TReal32 src = dx * dx + dy * dy;
TReal trg = 0;
if(dx != 0 || dy != 0)
{
Math::Sqrt(trg, src);
}
trg = trg / (textureSize.iWidth/2.0f);
if(trg < 0)
{
trg = 0;
}
if(trg > 1)
{
trg = 1;
}
ptr[3] = (TInt) ((1 - trg) * 255);
}
}
// Upload the solid color buffer.
SegmentUploadL(0, EHuiTextureFormatRgba8888, textureSize, buffer);
CleanupStack::PopAndDestroy( buffer );
}
int ON_PolyEdgeCurve::FindEdge( const ON_BrepEdge* edge) const
{
int rc = -1;
if ( 0 != edge )
{
int i, count = SegmentCount();
for( i = 0; i < count; i++)
{
ON_PolyEdgeSegment* segment = SegmentCurve(i);
if ( 0 != segment && edge == segment->Edge() )
{
rc = i;
break;
}
}
}
return rc;
}
const VECTOR2I SHAPE_LINE_CHAIN::NearestPoint( const VECTOR2I& aP ) const
{
int min_d = INT_MAX;
int nearest = 0;
for( int i = 0; i < SegmentCount(); i++ )
{
int d = CSegment( i ).Distance( aP );
if( d < min_d )
{
min_d = d;
nearest = i;
}
}
return CSegment( nearest ).NearestPoint( aP );
}
int ON_PolyEdgeCurve::FindTrim( const ON_BrepTrim* trim) const
{
int rc = -1;
if ( 0 != trim )
{
int i, count = SegmentCount();
for( i = 0; i < count; i++)
{
ON_PolyEdgeSegment* segment = SegmentCurve(i);
if ( 0 != segment && trim == segment->Trim() )
{
rc = i;
break;
}
}
}
return rc;
}
int SHAPE_LINE_CHAIN::Intersect( const SHAPE_LINE_CHAIN& aChain, INTERSECTIONS& aIp ) const
{
BOX2I bb_other = aChain.BBox();
for( int s1 = 0; s1 < SegmentCount(); s1++ )
{
const SEG& a = CSegment( s1 );
const BOX2I bb_cur( a.A, a.B - a.A );
if( !bb_other.Intersects( bb_cur ) )
continue;
for( int s2 = 0; s2 < aChain.SegmentCount(); s2++ )
{
const SEG& b = aChain.CSegment( s2 );
INTERSECTION is;
if( a.Collinear( b ) )
{
is.our = a;
is.their = b;
if( a.Contains( b.A ) ) { is.p = b.A; aIp.push_back( is ); }
if( a.Contains( b.B ) ) { is.p = b.B; aIp.push_back( is ); }
if( b.Contains( a.A ) ) { is.p = a.A; aIp.push_back( is ); }
if( b.Contains( a.B ) ) { is.p = a.B; aIp.push_back( is ); }
}
else
{
OPT_VECTOR2I p = a.Intersect( b );
if( p )
{
is.p = *p;
is.our = a;
is.their = b;
aIp.push_back( is );
}
}
}
}
return aIp.size();
}
int ON_PolyEdgeCurve::FindCurve( const ON_Curve* curve) const
{
int rc = -1;
if ( 0 != curve )
{
int i, count = SegmentCount();
for( i = 0; i < count; i++)
{
ON_PolyEdgeSegment* segment = SegmentCurve(i);
if ( 0 != segment
&& (curve == segment || curve == segment->ProxyCurve() || curve == segment->Edge()) )
{
rc = i;
break;
}
}
}
return rc;
}
int SHAPE_LINE_CHAIN::PathLength( const VECTOR2I& aP ) const
{
int sum = 0;
for( int i = 0; i < SegmentCount(); i++ )
{
const SEG seg = CSegment( i );
int d = seg.Distance( aP );
if( d <= 1 )
{
sum += ( aP - seg.A ).EuclideanNorm();
return sum;
}
else
sum += seg.Length();
}
return -1;
}
bool SHAPE_LINE_CHAIN::Collide( const SEG& aSeg, int aClearance ) const
{
BOX2I box_a( aSeg.A, aSeg.B - aSeg.A );
BOX2I::ecoord_type dist_sq = (BOX2I::ecoord_type) aClearance * aClearance;
for( int i = 0; i < SegmentCount(); i++ )
{
const SEG& s = CSegment( i );
BOX2I box_b( s.A, s.B - s.A );
BOX2I::ecoord_type d = box_a.SquaredDistance( box_b );
if( d < dist_sq )
{
if( s.Collide( aSeg, aClearance ) )
return true;
}
}
return false;
}
int SHAPE_LINE_CHAIN::Intersect( const SEG& aSeg, INTERSECTIONS& aIp ) const
{
for( int s = 0; s < SegmentCount(); s++ )
{
OPT_VECTOR2I p = CSegment( s ).Intersect( aSeg );
if( p )
{
INTERSECTION is;
is.our = CSegment( s );
is.their = aSeg;
is.p = *p;
aIp.push_back( is );
}
}
compareOriginDistance comp( aSeg.A );
sort( aIp.begin(), aIp.end(), comp );
return aIp.size();
}
bool SHAPE_LINE_CHAIN::CheckClearance( const VECTOR2I& aP, const int aDist) const
{
if( !PointCount() )
return false;
else if( PointCount() == 1 )
return m_points[0] == aP;
for( int i = 0; i < SegmentCount(); i++ )
{
const SEG s = CSegment( i );
if( s.A == aP || s.B == aP )
return true;
if( s.Distance( aP ) <= aDist )
return true;
}
return false;
}
const VECTOR2I SHAPE_LINE_CHAIN::PointAlong( int aPathLength ) const
{
int total = 0;
if( aPathLength == 0 )
return CPoint( 0 );
for( int i = 0; i < SegmentCount(); i++ )
{
const SEG& s = CSegment( i );
int l = s.Length();
if( total + l >= aPathLength )
{
VECTOR2I d( s.B - s.A );
return s.A + d.Resize( aPathLength - total );
}
total += l;
}
return CPoint( -1 );
}
void FileBundleWriter::AllocateBlock(size_t block_size,
FileBundleWriterSegment **segment,
off_t *seg_position,
uint64 *bundle_position) {
assert(block_size <= segment_break());
khLockGuard lock(modify_lock_);
// Check for adequate room in current segment; if not, create a new
// segment
FileBundleSegment *cur_seg = LastSegment();
if (cur_seg->data_size() + block_size > segment_break()) {
CreateSegment();
cur_seg = LastSegment();
}
assert(cur_seg->SegmentType() == FileBundleSegment::kWriterSegment);
*segment = reinterpret_cast<FileBundleWriterSegment*>(cur_seg);
*seg_position = cur_seg->data_size();
cur_seg->IncrementDataSize(block_size);
IncrementDataSize(block_size);
*bundle_position = (SegmentCount() - 1) * segment_break() + *seg_position;
}
int SHAPE_LINE_CHAIN::Split( const VECTOR2I& aP )
{
int ii = -1;
int min_dist = 2;
int found_index = Find( aP );
for( int s = 0; s < SegmentCount(); s++ )
{
const SEG seg = CSegment( s );
int dist = seg.Distance( aP );
// make sure we are not producing a 'slightly concave' primitive. This might happen
// if aP lies very close to one of already existing points.
if( dist < min_dist && seg.A != aP && seg.B != aP )
{
min_dist = dist;
if( found_index < 0 )
ii = s;
else if( s < found_index )
ii = s;
}
}
if( ii < 0 )
ii = found_index;
if( ii >= 0 )
{
m_points.insert( m_points.begin() + ii + 1, aP );
return ii + 1;
}
return -1;
}
int SHAPE_LINE_CHAIN::EdgeContainingPoint( const VECTOR2I& aPt, int aAccuracy ) const
{
if( !PointCount() )
return -1;
else if( PointCount() == 1 )
{
VECTOR2I dist = m_points[0] - aPt;
return ( hypot( dist.x, dist.y ) <= aAccuracy + 1 ) ? 0 : -1;
}
for( int i = 0; i < SegmentCount(); i++ )
{
const SEG s = CSegment( i );
if( s.A == aPt || s.B == aPt )
return i;
if( s.Distance( aPt ) <= aAccuracy + 1 )
return i;
}
return -1;
}
bool ON_Polyline::ClosestPointTo( const ON_3dPoint& point, double *t ) const
{
return ClosestPointTo( point, t, 0, SegmentCount() );
}
EXPORT_C TBool CHuiTexture::HasContent() const
{
return (SegmentCount() > 0);
}
ON_BOOL32 ON_PolyEdgeCurve::IsClosed(void) const
{
//if ( m_is_closed_helper == 1 )
// return true;
//if ( m_is_closed_helper == 2 )
// return false;
ON_BOOL32 rc = ON_PolyCurve::IsClosed();
if ( !rc && SegmentCount() > 1 )
{
// Since the segments that make up a ON_PolyEdgeCurve
// cannot have their ends matched (becuase the curves
// belong to objects alread in the rhino model),
// the IsClosed() test has to tolerate gaps.
//
// There are two situations. If the start and end
// segments are edges that belong to the same brep,
// then they "join" if and only if they share a vertex.
// Otherwise, the current value of Rhino tolerance
// is used.
const ON_PolyEdgeSegment* seg0 = SegmentCurve(0);
const ON_PolyEdgeSegment* seg1 = SegmentCurve(SegmentCount()-1);
const ON_BrepEdge* edge0 = seg0->Edge();
const ON_BrepEdge* edge1 = seg1->Edge();
if ( edge0 && edge1 && edge0->Brep() == edge1->Brep() )
{
// check for topological closure
//
// Do NOT add a test for sloppy geometric closure here.
// If the edges are in the same brep and they don't
// meet topologicially, then there is something in the
// brep that is separating the edges.
int evi0 = seg0->ReversedEdgeDir() ? 1 : 0;
int evi1 = seg1->ReversedEdgeDir() ? 0 : 1;
double et0 = seg0->EdgeParameter(seg0->Domain()[0]);
double et1 = seg1->EdgeParameter(seg1->Domain()[1]);
if ( et0 != ON_UNSET_VALUE && et1 != ON_UNSET_VALUE )
{
ON_Interval edom0 = edge0->Domain();
ON_Interval edom1 = edge1->Domain();
if ( et0 == edom0[evi0] && et1 == edom1[evi1] )
{
// The polyedge starts at the (evi0?end:start) of edge0
// and ends at the (ev1?end:start) of edge1.
if ( edge0->m_vi[evi0] == edge1->m_vi[evi1] )
{
// the polyedge start/ends at a common vertex
rc = true;
}
}
else if ( edge0 == edge1
&& fabs(et0-et1) <= ON_ZERO_TOLERANCE
&& edom0.Includes(et0,true)
&& edom1.Includes(et1,true)
)
{
// The start/end of the polyedge is an interior point
// of a single edge. (This happens when the "seam" gets
// adjusted to be inside of an edge.) It is unlikely that
// ON_PolyCurve::IsClosed() would return false in this
// case, but this check should keep everybody happy.
rc = true;
}
}
}
else
{
// check for sloppy geometric closure
//
// It is important that this test is NOT used when
// edge0 and edge1 belong to the same brep.
ON_3dPoint p0 = PointAtStart();
ON_3dPoint p1 = PointAtEnd();
double d = p0.DistanceTo(p1);
double tol = ON_ZERO_TOLERANCE; //RhinoApp().ActiveDoc()->AbsoluteTolerance();
if ( d <= tol )
rc = true;
}
}
//const_cast<ON_PolyEdgeCurve*>(this)->m_is_closed_helper = (rc) ? 1 :2;
return rc;
}
ON_BOOL32 ON_PolyEdgeCurve::ChangeClosedCurveSeam( double t )
{
//int saved_is_closed_helper = m_is_closed_helper;
if ( SegmentCount() == 1 )
{
// A ON_PolyEdgeSegment cannot have its start/end
// changed. Split it into two segments and let
// ON_PolyCurve::ChangeClosedCurveSeam() do the work.
if ( !IsClosed() )
return false;
ON_Interval crvd = Domain();
double s = crvd.NormalizedParameterAt(t);
if ( s <= ON_SQRT_EPSILON || s >= (1.0 - ON_SQRT_EPSILON) )
{
s = fmod(s,1.0);
if ( s < 0.0 )
s += 1.0;
if ( fabs(s) <= ON_SQRT_EPSILON || fabs(1.0-s) <= ON_SQRT_EPSILON )
{
// split parameter is at start/end of this segemnt
if ( t != crvd[0] )
{
DestroyRuntimeCache();
SetDomain(t,t+crvd.Length() );
//m_is_closed_helper = saved_is_closed_helper;
}
return true;
}
return false;
}
ON_PolyEdgeSegment* left_seg = SegmentCurve(0);
if ( 0 == left_seg )
return false;
DestroyRuntimeCache();
ON_Curve* left = left_seg;
ON_Curve* right = 0;
double segt = SegmentCurveParameter(t);
if ( !left_seg->Split(segt,left,right) )
return false;
SetDomain(crvd[0],t);
ON_PolyEdgeSegment* right_seg = ON_PolyEdgeSegment::Cast(right);
if ( 0 == right_seg )
return false;
Append(right_seg);
double st[3];
st[0] = crvd[0];
st[1] = t;
st[2] = crvd[1];
SetParameterization( st );
}
// ON_PolyCurve::ChangeClosedCurveSeam works fine on
// two or more segments.
ON_BOOL32 rc = ON_PolyCurve::ChangeClosedCurveSeam(t);
//if ( saved_is_closed_helper )
// m_is_closed_helper = saved_is_closed_helper;
return rc;
}
