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opennurbs_hatch.cpp
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//
// Copyright (c) 1993-2022 Robert McNeel & Associates. All rights reserved.
// OpenNURBS, Rhinoceros, and Rhino3D are registered trademarks of Robert
// McNeel & Associates.
//
// THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
// ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE AND OF
// MERCHANTABILITY ARE HEREBY DISCLAIMED.
//
// For complete openNURBS copyright information see <http://www.opennurbs.org>.
//
////////////////////////////////////////////////////////////////
#include "opennurbs.h"
#if !defined(ON_COMPILING_OPENNURBS)
// This check is included in all opennurbs source .c and .cpp files to insure
// ON_COMPILING_OPENNURBS is defined when opennurbs source is compiled.
// When opennurbs source is being compiled, ON_COMPILING_OPENNURBS is defined
// and the opennurbs .h files alter what is declared and how it is declared.
#error ON_COMPILING_OPENNURBS must be defined when compiling opennurbs
#endif
class ON_OBSOLETE_V5_HatchExtra : public ON_UserData
{
//March 23, 2008 - LW
//Adding ON_OBSOLETE_V5_HatchExtra class to support movable base point for hatches
//This should be combined with the ON_Hatch class next time that is possible
// Don't put this extension class in a header file or export it.
ON_OBJECT_DECLARE(ON_OBSOLETE_V5_HatchExtra);
public:
ON_OBSOLETE_V5_HatchExtra();
~ON_OBSOLETE_V5_HatchExtra() = default;
ON_OBSOLETE_V5_HatchExtra(const ON_OBSOLETE_V5_HatchExtra&) = default;
ON_OBSOLETE_V5_HatchExtra& operator=(const ON_OBSOLETE_V5_HatchExtra&) = default;
public:
static ON_OBSOLETE_V5_HatchExtra* HatchExtension(const ON_Hatch* pHatch);
// override virtual ON_Object::Dump function
void Dump( ON_TextLog& text_log ) const override;
// override virtual ON_Object::SizeOf function
unsigned int SizeOf() const override;
// override virtual ON_Object::Write function
bool Write(ON_BinaryArchive& binary_archive) const override;
// override virtual ON_Object::Read function
bool Read(ON_BinaryArchive& binary_archive) override;
// override virtual ON_UserData::GetDescription function
bool GetDescription( ON_wString& description ) override;
// override virtual ON_UserData::Archive function
bool Archive() const override;
bool WriteToArchive(
const class ON_BinaryArchive& archive,
const class ON_Object* parent_object
) const override;
bool DeleteAfterWrite(
const class ON_BinaryArchive& archive,
const class ON_Object* parent_object
) const override;
bool DeleteAfterRead(
const class ON_BinaryArchive& archive,
class ON_Object* parent_object
) const override;
ON_2dPoint m_basepoint = ON_2dPoint::Origin;
};
ON_OBJECT_IMPLEMENT(ON_OBSOLETE_V5_HatchExtra,ON_UserData,"3FF7007C-3D04-463f-84E3-132ACEB91062");
ON_OBSOLETE_V5_HatchExtra* ON_OBSOLETE_V5_HatchExtra::HatchExtension(const ON_Hatch* pHatch)
{
ON_OBSOLETE_V5_HatchExtra* pExtra = nullptr;
if(pHatch)
{
pExtra = ON_OBSOLETE_V5_HatchExtra::Cast(pHatch->GetUserData(ON_CLASS_ID(ON_OBSOLETE_V5_HatchExtra)));
if(pExtra == nullptr)
{
pExtra = new ON_OBSOLETE_V5_HatchExtra;
if(pExtra)
{
if(!const_cast<ON_Hatch*>(pHatch)->AttachUserData(pExtra))
{
delete pExtra;
pExtra = nullptr;
}
}
}
}
return pExtra;
}
ON_OBSOLETE_V5_HatchExtra::ON_OBSOLETE_V5_HatchExtra()
{
m_userdata_uuid = ON_CLASS_ID(ON_OBSOLETE_V5_HatchExtra);
m_application_uuid = ON_opennurbs5_id; // opennurbs.dll reads/writes this userdata
// The id must be the version 5 id because
// V6 SaveAs V5 needs to work, but SaveAs
// V4 should not write this userdata.
m_userdata_copycount = 0;
}
void ON_OBSOLETE_V5_HatchExtra::Dump(ON_TextLog& text_log) const
{
}
unsigned int ON_OBSOLETE_V5_HatchExtra::SizeOf() const
{
unsigned int sz = ON_UserData::SizeOf();
sz += sizeof(*this)-sizeof(ON_UserData);
return sz;
}
bool ON_OBSOLETE_V5_HatchExtra::Write(ON_BinaryArchive& archive) const
{
bool rc = archive.BeginWrite3dmChunk(TCODE_ANONYMOUS_CHUNK,1,0);
if(rc) rc = archive.WriteUuid( ON_nil_uuid);
if(rc) rc = archive.WritePoint(m_basepoint);
if(!archive.EndWrite3dmChunk())
rc = false;
return rc;
}
bool ON_OBSOLETE_V5_HatchExtra::Read(ON_BinaryArchive& archive)
{
int major_version = 0;
int minor_version = 0;
bool rc = archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
if(major_version != 1)
rc = false;
m_basepoint.Set(0.0,0.0);
ON_UUID ignored_id = ON_nil_uuid;
if(rc) rc = archive.ReadUuid(ignored_id);
if(rc) rc = archive.ReadPoint(m_basepoint);
if(!archive.EndRead3dmChunk())
rc = false;
return rc;
}
bool ON_OBSOLETE_V5_HatchExtra::GetDescription( ON_wString& description)
{
description = L"OBSOLETE V5 ON_Hatch basepoint userdata.";
return true;
}
bool ON_OBSOLETE_V5_HatchExtra::Archive() const
{
return true;
}
bool ON_OBSOLETE_V5_HatchExtra::WriteToArchive(
const class ON_BinaryArchive& archive,
const class ON_Object* parent_object
) const
{
return (50 == archive.Archive3dmVersion() && nullptr != ON_Hatch::Cast(parent_object));
}
bool ON_OBSOLETE_V5_HatchExtra::DeleteAfterWrite(
const class ON_BinaryArchive& archive,
const class ON_Object* parent_object
) const
{
return true;
}
bool ON_OBSOLETE_V5_HatchExtra::DeleteAfterRead(
const class ON_BinaryArchive& archive,
class ON_Object* parent_object
) const
{
for (;;)
{
if (false == m_basepoint.IsValid())
break;
ON_Hatch* hatch = ON_Hatch::Cast(parent_object);
if (nullptr == hatch)
break;
ON_2dPoint p = hatch->BasePoint2d();
if (p.x != m_basepoint.x || p.y != m_basepoint.y)
{
hatch->SetBasePoint(m_basepoint);
}
break;
}
return true;
}
/////////////////////////////////////////////////////////////////
// class ON_HatchLine
/////////////////////////////////////////////////////////////////
ON_HatchLine::ON_HatchLine(
double angle_in_radians
)
: m_angle_radians( angle_in_radians)
{}
ON_HatchLine::ON_HatchLine(
double angle_in_radians,
ON_2dPoint base,
ON_2dVector offset,
const ON_SimpleArray<double>& dashes
)
: m_angle_radians( angle_in_radians)
, m_base( base)
, m_offset( offset)
, m_dashes( dashes)
{}
bool ON_HatchLine::operator==(const ON_HatchLine& src) const
{
return(
m_angle_radians == src.m_angle_radians
&& m_base == src.m_base
&& m_offset == src.m_offset
&& m_dashes == src.m_dashes
);
}
bool ON_HatchLine::operator!=(const ON_HatchLine& src) const
{
return(
m_angle_radians != src.m_angle_radians
|| m_base != src.m_base
|| m_offset != src.m_offset
|| m_dashes != src.m_dashes
);
}
bool ON_HatchLine::IsValid( ON_TextLog* text_log) const
{
bool rc = m_angle_radians >= 0.0;
if( !rc)
{
if( text_log)
text_log->Print( "Angle ( %lf) must be >= 0.0\n", m_angle_radians);
return false;
}
rc = m_angle_radians < ON_PI * 2.0;
if( !rc)
{
if( text_log)
text_log->Print( "Angle ( %lf) must be < 2*Pi.\n", m_angle_radians);
return false;
}
rc = m_base.IsValid();
if( !rc)
{
if( text_log)
text_log->Print( "Base is not a valid point.\n");
return false;
}
rc = m_offset.IsValid();
if( !rc)
{
if( text_log)
text_log->Print( "Offset is not a valid vector.\n");
return false;
}
return true;
}
void ON_HatchLine::Dump( ON_TextLog& dump) const
{
dump.Print( "ON_HatchLine: angle = %lf radians ( %lf degrees) ",
AngleRadians(), AngleDegrees());
dump.Print( " base = ");
dump.Print( m_base);
dump.Print( " offset = ");
dump.Print( m_offset);
int count = m_dashes.Count();
dump.Print( "\nDash count = %d: ", count);
for( int i = 0; i < count; i++)
{
dump.Print( "%lf", Dash( i));
if( i < count-1)
dump.Print( ", ");
}
dump.Print( "\n");
}
bool ON_HatchLine::Write(ON_BinaryArchive& archive) const
{
if (archive.Archive3dmVersion() < 60)
return WriteV5(archive);
const int major_version = 1;
const int minor_version = 0;
if (!archive.BeginWrite3dmChunk(TCODE_ANONYMOUS_CHUNK, major_version, minor_version))
return false;
bool rc = false;
for (;;)
{
if (!archive.WriteDouble(m_angle_radians))
break;
if (!archive.WritePoint(m_base))
break;
if (!archive.WriteVector(m_offset))
break;
if (!archive.WriteArray(m_dashes))
break;
rc = true;
break;
}
if (!archive.EndWrite3dmChunk())
rc = false;
return rc;
}
static bool Internal_UseHatchReadV5(
ON_BinaryArchive& archive
)
{
if (archive.Archive3dmVersion() < 60)
return true;
if (archive.Archive3dmVersion() > 60)
return false;
// There are 4 possible Feb 26 version numbers depending on the build system
// archive.Archive3dmVersion() % 4 = (0=developer,1=windows build system,2 = mac build system, 3=unused)
const unsigned int Feb_26_2016_opennurbs_version_number0 = 2348833956;
const unsigned int Feb_26_2016_opennurbs_version_number3 = 2348833956+3;
const unsigned int archive_opennurbs_version_number = archive.ArchiveOpenNURBSVersion();
if (archive_opennurbs_version_number < Feb_26_2016_opennurbs_version_number0)
return true; // "old" opennurbs hatch code
if ( archive_opennurbs_version_number >= Feb_26_2016_opennurbs_version_number0
&& archive_opennurbs_version_number <= Feb_26_2016_opennurbs_version_number3
)
{
// new hatch IO code pushed to master branch on Feb 26, 2016.
// THis clunky test has to be used on files written with the Feb 26, 2016 version of opennurbs source code.
ON__UINT32 tcode = 0;
ON__INT64 big_value = 0;
archive.PeekAt3dmBigChunkType(&tcode, &big_value);
if (TCODE_ANONYMOUS_CHUNK == tcode)
return false; // use "new" IO
return true; // use "old" IO
}
// 6.0 or later file created with executable using opennurbs code on Feb 27, 2016 or later
return false;
}
bool ON_HatchLine::Read(ON_BinaryArchive& archive)
{
if ( Internal_UseHatchReadV5(archive) )
return ReadV5(archive);
*this = ON_HatchLine::SolidHorizontal;
int major_version = 0;
int minor_version = 0;
if (!archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK, &major_version, &minor_version))
return false;
bool rc = false;
for (;;)
{
if (1 != major_version)
break;
if (!archive.ReadDouble(&m_angle_radians))
break;
if (!archive.ReadPoint(m_base))
break;
if (!archive.ReadVector(m_offset))
break;
if (!archive.ReadArray(m_dashes))
break;
rc = true;
break;
}
if (!archive.EndRead3dmChunk())
rc = false;
return rc;
}
bool ON_HatchLine::WriteV5( ON_BinaryArchive& ar) const
{
// Incorrectly designed chunk IO - never change version numbers.
bool rc = ar.Write3dmChunkVersion(1,1);
if (rc) rc = ar.WriteDouble( m_angle_radians);
if (rc) rc = ar.WritePoint( m_base);
if (rc) rc = ar.WriteVector( m_offset);
if (rc) rc = ar.WriteArray( m_dashes);
return rc;
}
bool ON_HatchLine::ReadV5( ON_BinaryArchive& ar)
{
*this = ON_HatchLine::SolidHorizontal;
// Incorrectly designed chunk IO - never change version numbers.
int major_version = 0;
int minor_version = 0;
bool rc = ar.Read3dmChunkVersion( &major_version, &minor_version);
if (rc)
rc = (1 == major_version);
if ( rc )
{
if ( rc) rc = ar.ReadDouble( &m_angle_radians);
if ( rc) rc = ar.ReadPoint( m_base);
if ( rc) rc = ar.ReadVector( m_offset);
if ( rc) rc = ar.ReadArray( m_dashes);
}
return rc;
}
int ON_HatchLine::Compare(
const ON_HatchLine& a,
const ON_HatchLine& b
)
{
int rc = ON_CompareDouble(a.m_angle_radians, b.m_angle_radians);
if (rc) return rc;
rc = ON_2dPoint::Compare(a.m_base, b.m_base);
if (rc) return rc;
rc = ON_2dVector::Compare(a.m_offset, b.m_offset);
if (rc) return rc;
size_t acount = (size_t)a.m_dashes.UnsignedCount();
size_t bcount = (size_t)b.m_dashes.UnsignedCount();
if (acount < bcount)
return -1;
if (acount > bcount)
return 1;
return ON_CompareDoubleArray(acount, a.m_dashes.Array(), b.m_dashes.Array());
}
// ON_HatchLine Interface
double ON_HatchLine::AngleRadians() const
{
return m_angle_radians;
}
double ON_HatchLine::AngleDegrees() const
{
if (0.0 <= m_angle_radians && m_angle_radians < 2.0*ON_PI)
{
double angle_degrees = m_angle_radians*(180.0/ON_PI);
if (angle_degrees >= 360.0)
angle_degrees = 0.0;
return angle_degrees;
}
return m_angle_radians; // UNSET VALUE OR NaN
}
static double DealWithUnsetAngles(
double a
)
{
if (((double)ON_UNSET_FLOAT) == a)
return ON_UNSET_VALUE;
if (((double)ON_UNSET_POSITIVE_FLOAT) == a)
return ON_UNSET_POSITIVE_VALUE;
if (a < ON_UNSET_VALUE)
return ON_UNSET_VALUE;
if (a > ON_UNSET_POSITIVE_VALUE)
return ON_UNSET_POSITIVE_VALUE;
return a;
}
void ON_HatchLine::SetAngleRadians( double angle_radians)
{
angle_radians = DealWithUnsetAngles(angle_radians);
if (angle_radians > ON_UNSET_VALUE && angle_radians < ON_UNSET_POSITIVE_VALUE)
{
const double twopi = ON_PI * 2.0;
// clamp between [0 2pi)
while (angle_radians < 0.0)
angle_radians += twopi;
while (angle_radians > twopi)
angle_radians -= twopi;
const double zero_angle_tol = ON_ZERO_TOLERANCE*twopi;
if (
fabs(angle_radians) <= zero_angle_tol
|| fabs(angle_radians - twopi) <= zero_angle_tol
)
angle_radians = 0.0;
}
m_angle_radians = angle_radians;
}
void ON_HatchLine::SetAngleDegrees(double angle_degrees)
{
angle_degrees = DealWithUnsetAngles(angle_degrees);
if (angle_degrees > ON_UNSET_VALUE && angle_degrees < ON_UNSET_POSITIVE_VALUE)
SetAngleRadians(angle_degrees*(ON_PI/180.0));
else
m_angle_radians = angle_degrees;
}
ON_2dPoint ON_HatchLine::Base() const
{
return m_base;
}
void ON_HatchLine::SetBase( const ON_2dPoint& base)
{
m_base = base;
}
ON_2dVector ON_HatchLine::Offset() const
{
return m_offset;
}
void ON_HatchLine::SetOffset( const ON_2dVector& offset)
{
m_offset = offset;
}
int ON_HatchLine::DashCount() const
{
return m_dashes.Count();
}
double ON_HatchLine::Dash( int index) const
{
if( index >= 0 && index < m_dashes.Count())
return m_dashes[index];
return 0.0;
}
void ON_HatchLine::AppendDash( double dash)
{
// if( fabs( dash) > ON_SQRT_EPSILON)
m_dashes.Append( dash);
}
void ON_HatchLine::SetDashes( const ON_SimpleArray<double>& dashes)
{
m_dashes = dashes;
}
const ON_SimpleArray<double>& ON_HatchLine::Dashes() const
{
return m_dashes;
}
void ON_HatchLine::GetLineData( double& angle,
ON_2dPoint& base,
ON_2dVector& offset,
ON_SimpleArray<double>& dashes) const
{
angle = m_angle_radians;
base = m_base;
offset = m_offset; dashes = m_dashes;
}
double ON_HatchLine::GetPatternLength() const
{
int i;
double length = 0.0;
for( i = 0; i < m_dashes.Count(); i++)
length += fabs( m_dashes[i]);
return length;
}
// class ON_HatchPattern
/////////////////////////////////////////////////////////////////
ON_OBJECT_IMPLEMENT( ON_HatchPattern, ON_ModelComponent, "064E7C91-35F6-4734-A446-79FF7CD659E1" );
ON_HatchPattern::HatchFillType ON_HatchPattern::HatchFillTypeFromUnsigned(
unsigned hatch_fill_type_as_unsigned
)
{
switch (hatch_fill_type_as_unsigned)
{
ON_ENUM_FROM_UNSIGNED_CASE(ON_HatchPattern::HatchFillType::Solid);
ON_ENUM_FROM_UNSIGNED_CASE(ON_HatchPattern::HatchFillType::Lines);
//ON_ENUM_FROM_UNSIGNED_CASE(ON_HatchPattern::HatchFillType::Gradient);
}
ON_ERROR("Invalid hatch_fill_type_as_unsigned value.");
return ON_HatchPattern::HatchFillType::Solid;
}
int ON_HatchPattern::Compare(
const ON_HatchPattern& a,
const ON_HatchPattern& b
)
{
int rc = ON_ModelComponent::CompareNameAndId(a, b);
if (0 == rc)
rc = CompareAppearance(a, b);
if (0 == rc)
rc = ON_wString::CompareOrdinal(a.m_description, b.m_description, false);
return rc;
}
int ON_HatchPattern::CompareAppearance(
const ON_HatchPattern& a,
const ON_HatchPattern& b
)
{
const unsigned int atype = static_cast<unsigned int>(a.FillType());
const unsigned int btype = static_cast<unsigned int>(b.FillType());
if (atype < btype)
return -1;
if (atype > btype)
return 1;
if (ON_HatchPattern::HatchFillType::Lines != a.FillType())
return 0;
const unsigned acount = a.m_lines.UnsignedCount();
const unsigned bcount = b.m_lines.UnsignedCount();
if (acount < bcount)
return -1;
if (acount > bcount)
return 1;
for (unsigned int i = 0; i < acount; i++)
{
int rc = ON_HatchLine::Compare(a.m_lines[i], b.m_lines[i]);
if (0 != rc)
return rc;
}
return 0;
}
const ON_HatchPattern* ON_HatchPattern::FromModelComponentRef(
const class ON_ModelComponentReference& model_component_reference,
const ON_HatchPattern* none_return_value
)
{
const ON_HatchPattern* hatch_pattern = ON_HatchPattern::Cast(model_component_reference.ModelComponent());
return (nullptr != hatch_pattern) ? hatch_pattern : none_return_value;
}
ON_HatchPattern::ON_HatchPattern() ON_NOEXCEPT
: ON_ModelComponent(ON_ModelComponent::Type::HatchPattern)
{}
ON_HatchPattern::ON_HatchPattern(const ON_HatchPattern& src)
: ON_ModelComponent(ON_ModelComponent::Type::HatchPattern, src)
, m_type(src.m_type)
, m_description(src.m_description)
, m_lines(src.m_lines)
{}
bool ON_HatchPattern::IsValid( ON_TextLog* text_log) const
{
ON_HatchPattern::HatchFillType type = FillType();
bool rc = true;
if( type != ON_HatchPattern::HatchFillTypeFromUnsigned(static_cast<unsigned int>(type)))
{
if( text_log)
text_log->Print( "Type field not set correctly.\n");
rc = false;
}
if( type == ON_HatchPattern::HatchFillType::Lines)
{
int count = m_lines.Count();
if( count < 1)
{
if( text_log)
text_log->Print( "Line type pattern with no lines.\n");
return false;
}
for( int i = 0; i < count; i++)
{
if( !m_lines[i].IsValid())
{
if( text_log)
text_log->Print( "Line[%d] is not valid.\n", i);
return false;
}
}
return true;
}
return rc;
}
void ON_HatchPattern::Dump( ON_TextLog& dump) const
{
ON_ModelComponent::Dump(dump);
switch( m_type)
{
case ON_HatchPattern::HatchFillType::Solid:
dump.Print( "fill type: Solid");
break;
case ON_HatchPattern::HatchFillType::Lines:
dump.Print( "fill type: Lines");
break;
//case ON_HatchPattern::HatchFillType::Gradient:
// dump.Print( "fill type: Gradient");
// break;
}
dump.Print( "\n");
const wchar_t* wsDescription = static_cast< const wchar_t* >(m_description);
if ( 0 == wsDescription )
wsDescription = L"";
dump.Print( "Description: %ls\n", wsDescription);
if( m_type == ON_HatchPattern::HatchFillType::Lines)
{
int count = m_lines.Count();
dump.Print( "Line count = %d\n", count);
for( int i = 0; i < count; i++)
{
m_lines[i].Dump( dump);
}
dump.Print( "\n");
}
}
bool ON_HatchPattern::Write(ON_BinaryArchive& archive ) const
{
if (archive.Archive3dmVersion() < 60)
return WriteV5(archive);
const int major_version = 1;
const int minor_version = 0;
if (!archive.BeginWrite3dmChunk(TCODE_ANONYMOUS_CHUNK, major_version, minor_version))
return false;
bool rc = false;
for (;;)
{
unsigned int attributes_filter
= ON_ModelComponent::Attributes::IdAttribute
| ON_ModelComponent::Attributes::IndexAttribute
| ON_ModelComponent::Attributes::NameAttribute;
if (!WriteModelComponentAttributes(archive, attributes_filter))
break;
if (!archive.WriteInt(static_cast<unsigned int>(m_type)))
break;
if (!archive.WriteString(m_description))
break;
if (!archive.BeginWrite3dmChunk(TCODE_ANONYMOUS_CHUNK, 0))
break;
{
const unsigned int count = (m_type == ON_HatchPattern::HatchFillType::Lines ? m_lines.UnsignedCount() : 0);
bool lines_rc = archive.WriteInt(count);
for (unsigned int i = 0; i < count && lines_rc; i++)
lines_rc = m_lines[i].Write(archive);
if (!archive.EndWrite3dmChunk())
lines_rc = false;
if (false == lines_rc)
break;
}
rc = true;
break;
}
if (!archive.EndWrite3dmChunk())
rc = false;
return rc;
}
bool ON_HatchPattern::Read(ON_BinaryArchive& archive)
{
if ( Internal_UseHatchReadV5(archive) )
return ReadV5(archive);
int major_version = 0;
int minor_version = 0;
if (!archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK, &major_version, &minor_version))
return false;
bool rc = false;
for (;;)
{
if (!ReadModelComponentAttributes(archive))
break;
unsigned int type_as_unsigned = 0;
if (!archive.ReadInt(&type_as_unsigned))
break;
m_type = ON_HatchPattern::HatchFillTypeFromUnsigned(type_as_unsigned);
if (!archive.ReadString(m_description))
break;
unsigned int tcode = 0;
ON__INT64 value = 0;
if (!archive.BeginRead3dmBigChunk(&tcode, &value))
break;
{
bool lines_rc = (TCODE_ANONYMOUS_CHUNK == tcode && value > 0);
unsigned int count = 0;
lines_rc = archive.ReadInt(&count);
m_lines.Reserve(count);
for (unsigned int i = 0; i < count && lines_rc; i++)
lines_rc = m_lines.AppendNew().Read(archive);
if (!archive.EndRead3dmChunk())
lines_rc = false;
if (false == lines_rc)
break;
}
rc = true;
break;
}
if (!archive.EndRead3dmChunk())
rc = false;
return rc;
}
bool ON_HatchPattern::WriteV5( ON_BinaryArchive& ar) const
{
bool rc = ar.Write3dmChunkVersion(1,2);
if (rc) rc = ar.Write3dmReferencedComponentIndex( *this );
if (rc) rc = ar.WriteInt( static_cast<unsigned int>(m_type));
ON_wString name = Name();
if (name.IsEmpty() && ModelComponentStatus().IsDeleted())
name = DeletedName();
if (rc) rc = ar.WriteString(name );
if (rc) rc = ar.WriteString( m_description);
if( rc)
{
if( m_type == ON_HatchPattern::HatchFillType::Lines)
{
int i, count = m_lines.Count();
if ( count < 0 )
count = 0;
rc = ar.WriteInt( count );
for( i = 0; i < count && rc; i++)
rc = m_lines[i].Write( ar);
}
}
// version 1.2 field
if (rc) rc = ar.WriteUuid(Id());
return rc;
}
bool ON_HatchPattern::ReadV5( ON_BinaryArchive& ar)
{
*this = ON_HatchPattern::Unset;
int major_version = 0;
int minor_version = 0;
bool rc = ar.Read3dmChunkVersion( &major_version, &minor_version);
if (rc && 1 != major_version)
rc = false;
if ( rc )
{
int hatchpattern_index = Index();
if (rc) rc = ar.ReadInt(&hatchpattern_index);
if (rc) SetIndex(hatchpattern_index);
int fill_type_as_unsigned = 0;
if( rc) rc = ar.ReadInt( &fill_type_as_unsigned);
if( rc) m_type = ON_HatchPattern::HatchFillTypeFromUnsigned(fill_type_as_unsigned);
ON_wString hatchpattern_name;
if( rc) rc = ar.ReadString( hatchpattern_name);
if (rc) SetName(hatchpattern_name);
if( rc) rc = ar.ReadString( m_description);
if( rc)
{
if( m_type == ON_HatchPattern::HatchFillType::Lines)
{
m_lines.Empty();
int count = 0;
rc = ar.ReadInt( &count);
if( rc && count > 0 )
{
m_lines.SetCapacity( count);
for(int li = 0; rc && li < count; li++)
{
ON_HatchLine& line = m_lines.AppendNew();
rc = line.Read( ar);
}
}
}
}
if ( minor_version >= 2 )
{
ON_UUID hatchpattern_id = ON_nil_uuid;
rc = ar.ReadUuid(hatchpattern_id);
if (rc) SetId(hatchpattern_id);
}
}
if (rc && IdIsNil())
SetId(); // modern hatch patterns require a unique id.
return rc;
}
ON_HatchPattern::ON_HatchPattern::HatchFillType ON_HatchPattern::FillType() const
{
return m_type;
}
void ON_HatchPattern::SetFillType( ON_HatchPattern::HatchFillType type)
{
if ( m_type != type && type == ON_HatchPattern::HatchFillTypeFromUnsigned(static_cast<unsigned int>(type)) )
{
if (ON_HatchPattern::HatchFillType::Lines != type)
m_lines.Destroy();
m_type = type;
IncrementContentVersionNumber();
}
}
void ON_HatchPattern::SetDescription( const wchar_t* pDescription)
{
ON_wString s(pDescription);
s.TrimLeftAndRight();
if (s != m_description)
{
m_description = s;
IncrementContentVersionNumber();
}
}
const ON_wString& ON_HatchPattern::Description() const
{
return m_description;
}
// Line HatchPattern functions
int ON_HatchPattern::HatchLineCount() const
{
return m_lines.Count();
}
int ON_HatchPattern::AddHatchLine( const ON_HatchLine& line)
{
m_lines.Append( line);
IncrementContentVersionNumber();
return m_lines.Count()-1;
}
const ON_HatchLine* ON_HatchPattern::HatchLine( int index) const
{
if( index >= 0 && index < m_lines.Count())
return &m_lines[index];
else
return nullptr;
}
bool ON_HatchPattern::RemoveHatchLine( int index)
{
if( index >= 0 && index < m_lines.Count())
{
m_lines.Remove( index);
IncrementContentVersionNumber();
return true;
}
return false;
}
void ON_HatchPattern::RemoveAllHatchLines()
{
if ( m_lines.UnsignedCount() > 0 )
IncrementContentVersionNumber();
m_lines.Empty();
}
int ON_HatchPattern::SetHatchLines( const ON_ClassArray<ON_HatchLine>& lines)
{
return SetHatchLines(
lines.UnsignedCount(),
lines.Array()
);
}