Files
opennurbs/opennurbs_linetype.cpp
2019-04-09 10:11:17 -07:00

454 lines
10 KiB
C++

/* $NoKeywords: $ */
/*
//
// Copyright (c) 1993-2012 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
bool ON_IsHairlinePrintWidth(double width_mm)
{
if(width_mm > 0.0 && width_mm < 0.001)
return true;
return false;
}
double ON_HairlinePrintWidth()
{
return 0.0001;
}
//////////////////////////////////////////////////////////////////////
// class ON_LinetypeSegment
bool ON_LinetypeSegment::operator==( const ON_LinetypeSegment& src) const
{
return ( m_length == src.m_length && m_seg_type == src.m_seg_type);
}
bool ON_LinetypeSegment::operator!=( const ON_LinetypeSegment& src) const
{
return ( m_length != src.m_length || m_seg_type != src.m_seg_type);
}
ON_LinetypeSegment::eSegType ON_LinetypeSegment::SegmentTypeFromUnsigned(
unsigned int segment_type_as_unsigned
)
{
switch (segment_type_as_unsigned)
{
ON_ENUM_FROM_UNSIGNED_CASE(ON_LinetypeSegment::eSegType::Unset);
ON_ENUM_FROM_UNSIGNED_CASE(ON_LinetypeSegment::eSegType::stLine);
ON_ENUM_FROM_UNSIGNED_CASE(ON_LinetypeSegment::eSegType::stSpace);
}
ON_ERROR("Invalid segment_type_as_unsigned value.");
return ON_LinetypeSegment::eSegType::stLine;
}
ON_LinetypeSegment::ON_LinetypeSegment(
double segment_length,
ON_LinetypeSegment::eSegType segment_type
)
: m_length(segment_length)
, m_seg_type(segment_type)
{}
void ON_LinetypeSegment::Dump( ON_TextLog& dump) const
{
switch( m_seg_type)
{
case ON_LinetypeSegment::eSegType::stLine:
dump.Print( "Segment type = Line: %g\n", m_length);
break;
case ON_LinetypeSegment::eSegType::stSpace:
dump.Print( "Segment type = Space: %g\n", m_length);
break;
}
}
//////////////////////////////////////////////////////////////////////
// class ON_Linetype
ON_OBJECT_IMPLEMENT( ON_Linetype, ON_ModelComponent, "26F10A24-7D13-4f05-8FDA-8E364DAF8EA6" );
const ON_Linetype* ON_Linetype::FromModelComponentRef(
const class ON_ModelComponentReference& model_component_reference,
const ON_Linetype* none_return_value
)
{
const ON_Linetype* p = ON_Linetype::Cast(model_component_reference.ModelComponent());
return (nullptr != p) ? p : none_return_value;
}
ON_Linetype::ON_Linetype() ON_NOEXCEPT
: ON_ModelComponent(ON_ModelComponent::Type::LinePattern)
{}
ON_Linetype::ON_Linetype( const ON_Linetype& src )
: ON_ModelComponent(ON_ModelComponent::Type::LinePattern,src)
, m_segments(src.m_segments)
{
}
bool ON_Linetype::IsValid( ON_TextLog* text_log ) const
{
int i, count = m_segments.Count();
if (false == ON_ModelComponent::IsValid(text_log))
return false;
// An ON_Linetype with an empty name is valid.
if ( count < 1 )
{
if ( text_log )
text_log->Print("ON_Linetype m_segments.Count() = 0\n");
return false;
}
if ( 1 == count )
{
if ( m_segments[0].m_length <= 0.0 )
{
if ( text_log )
text_log->Print("ON_Linetype bogus single segment linetype - length <= 0.0 (it must be > 0)\n");
return false;
}
if ( ON_LinetypeSegment::eSegType::stLine != m_segments[0].m_seg_type )
{
if ( text_log )
text_log->Print("ON_Linetype bogus single segment linetype - type != stLine\n");
return false;
}
}
else
{
for (i = 0; i < count; i++ )
{
if ( m_segments[i].m_length < 0.0 )
{
if ( text_log )
text_log->Print("ON_Linetype segment has negative length.\n");
return false;
}
if ( ON_LinetypeSegment::eSegType::stLine != m_segments[i].m_seg_type && ON_LinetypeSegment::eSegType::stSpace != m_segments[i].m_seg_type )
{
if ( text_log )
text_log->Print("ON_Linetype segment has invalid m_seg_type.\n");
return false;
}
if ( i )
{
if ( m_segments[i].m_seg_type == m_segments[i-1].m_seg_type )
{
if ( text_log )
text_log->Print("ON_Linetype consecutive segments have same type.\n");
return false;
}
if ( 0.0 == m_segments[i].m_length && 0.0 == m_segments[i-1].m_length )
{
if ( text_log )
text_log->Print("ON_Linetype consecutive segments have length zero.\n");
return false;
}
}
}
}
return true;
}
void ON_Linetype::Dump( ON_TextLog& dump ) const
{
ON_ModelComponent::Dump(dump);
dump.Print( "Segment count = %d\n", m_segments.Count());
dump.Print( "Pattern length = %g\n", PatternLength());
dump.Print( "Pattern = (" );
for( int i = 0; i < m_segments.Count(); i++)
{
const ON_LinetypeSegment& seg = m_segments[i];
if ( i )
dump.Print(",");
switch( seg.m_seg_type)
{
case ON_LinetypeSegment::eSegType::stLine:
dump.Print( "line");
break;
case ON_LinetypeSegment::eSegType::stSpace:
dump.Print( "space");
break;
default:
dump.Print( "invalid");
break;
}
}
dump.Print(")\n");
}
bool ON_Linetype::Write( ON_BinaryArchive& file) const
{
bool rc = false;
if (file.Archive3dmVersion() < 60)
{
if (!file.BeginWrite3dmChunk(TCODE_ANONYMOUS_CHUNK, 1, 1))
return false;
for (;;)
{
// chunk version 1.0 fields
if (!file.Write3dmReferencedComponentIndex(*this))
break;
ON_wString linetype_name;
GetName(linetype_name);
if (!file.WriteString(linetype_name))
break;
if (!file.WriteArray(m_segments))
break;
// chunk version 1.1 fields
if (!file.WriteUuid(Id()))
break;
rc = true;
break;
}
}
else
{
if (!file.BeginWrite3dmChunk(TCODE_ANONYMOUS_CHUNK, 2, 0))
return false;
for (;;)
{
// chunk version 1.0 fields
if (!file.WriteModelComponentAttributes(*this,ON_ModelComponent::Attributes::BinaryArchiveAttributes))
break;
if (!file.WriteArray(m_segments))
break;
rc = true;
break;
}
}
if (!file.EndWrite3dmChunk())
rc = false;
return rc;
}
bool ON_Linetype::Read( ON_BinaryArchive& file)
{
*this = ON_Linetype::Unset;
int major_version=0;
int minor_version=0;
if (!file.BeginRead3dmChunk( TCODE_ANONYMOUS_CHUNK, &major_version, &minor_version ))
return false;
bool rc = false;
if( 1 == major_version )
{
for (;;)
{
// chunk version 1.0 fields
int linetype_index = Index();
if (!file.ReadInt(&linetype_index))
break;
SetIndex(linetype_index);
ON_wString linetype_name;
GetName(linetype_name);
if (!file.ReadString(linetype_name))
break;
SetName(linetype_name);
if (!file.ReadArray(m_segments))
break;
if (minor_version >= 1)
{
ON_UUID linetype_id = Id();
if (!file.ReadUuid(linetype_id))
break;
SetId(linetype_id);
}
rc = true;
break;
}
}
else if ( 2 == major_version )
{
for (;;)
{
// chunk version 2.0 fields
unsigned int model_component_attributes_filter = 0;
if (!file.ReadModelComponentAttributes(*this,&model_component_attributes_filter))
break;
if (!file.ReadArray(m_segments))
break;
rc = true;
break;
}
}
if ( !file.EndRead3dmChunk() )
rc = false;
return rc;
}
bool ON_Linetype::PatternIsSet() const
{
return (0 != (m_is_set_bits & ON_Linetype::pattern_bit));
}
bool ON_Linetype::ClearPattern()
{
if (false == PatternIsLocked())
{
m_is_set_bits &= ~ON_Linetype::pattern_bit;
m_segments.Destroy();
}
return (false == PatternIsSet());
}
bool ON_Linetype::PatternIsLocked() const
{
return (0 != (m_is_locked_bits & ON_Linetype::pattern_bit));
}
void ON_Linetype::LockPattern()
{
m_is_locked_bits |= ON_Linetype::pattern_bit;
}
double ON_Linetype::PatternLength() const
{
double length = 0.0;
int seg_count = m_segments.Count();
for( int i = 0; i < seg_count; i++)
{
length += m_segments[i].m_length;
}
return length;
}
ON_SimpleArray<ON_LinetypeSegment>* ON_Linetype::ExpertSegments()
{
if (PatternIsLocked())
return nullptr;
return &m_segments;
}
const ON_SimpleArray<ON_LinetypeSegment>& ON_Linetype::Segments() const
{
return m_segments;
}
int ON_Linetype::SegmentCount() const
{
return m_segments.Count();
}
int ON_Linetype::AppendSegment( const ON_LinetypeSegment& segment)
{
if (PatternIsLocked())
return -1;
m_segments.Append( segment);
return( m_segments.Count()-1);
}
bool ON_Linetype::RemoveSegment( int index )
{
if (PatternIsLocked())
return false;
bool rc = ( index >= 0 && index < m_segments.Count());
if (rc)
m_segments.Remove(index);
return rc;
}
bool ON_Linetype::SetSegment( int index, const ON_LinetypeSegment& segment)
{
if (PatternIsLocked())
return false;
if( index >= 0 && index < m_segments.Count())
{
m_segments[index] = segment;
return true;
}
else
return false;
}
bool ON_Linetype::SetSegment( int index, double length, ON_LinetypeSegment::eSegType type)
{
if (PatternIsLocked())
return false;
if( index >= 0 && index < m_segments.Count())
{
m_segments[index].m_length = length;
m_segments[index].m_seg_type = type;
return true;
}
else
return false;
}
bool ON_Linetype::SetSegments(const ON_SimpleArray<ON_LinetypeSegment>& segments)
{
if (PatternIsLocked())
return false;
m_segments = segments;
return true;
}
ON_LinetypeSegment ON_Linetype::Segment( int index) const
{
if( index >= 0 && index < m_segments.Count())
return m_segments[index];
else
return ON_LinetypeSegment::OneMillimeterLine;
}