bool ON_ClippingPlaneInfo::Read( ON_BinaryArchive& file )
{
Default();
int major_version = 0;
int minor_version = 0;
bool rc = file.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
if (!rc)
return false;
for(;;)
{
rc = (1 == major_version);
if (!rc) break;
rc = file.ReadPlaneEquation(m_plane_equation);
if (!rc) break;
rc = file.ReadUuid(m_plane_id);
if (!rc) break;
rc = file.ReadBool(&m_bEnabled);
if (!rc) break;
break;
}
if ( !file.EndRead3dmChunk() )
rc = false;
return rc;
}
// virtual ON_Object override
ON_BOOL32 ON__IDefAlternativePathUserData::Read(ON_BinaryArchive& binary_archive)
{
DestroyHelper();
int major_version = 0;
int minor_version = 0;
bool rc = binary_archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
if ( !rc )
return false;
rc = false;
while ( 1 == major_version )
{
if ( !binary_archive.ReadString(m_alternate_path) )
break;
if ( !binary_archive.ReadBool(&m_bRelativePath) )
break;
rc = true;
break;
}
if ( !binary_archive.EndRead3dmChunk() )
rc = false;
return rc;
}
// virtual ON_Object override
ON_BOOL32 ON__IDefLayerSettingsUserData::Read(ON_BinaryArchive& binary_archive)
{
DestroyHelper();
int major_version = 0;
int minor_version = 0;
bool rc = binary_archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
if ( !rc )
return false;
rc = false;
while ( 1 == major_version )
{
if ( !binary_archive.ReadArray(m_layers) )
break;
if ( minor_version <= 0 )
{
rc = true;
break;
}
// added in version 1.1 chunks
bool bHaveParentLayer = false;
if ( !binary_archive.ReadBool(&bHaveParentLayer) )
break;
if ( bHaveParentLayer )
{
ON_Object* p = 0;
if ( !binary_archive.ReadObject(&p) || 0 == p )
{
if (p)
{
delete p;
break;
}
}
m_idef_layer_table_parent_layer = ON_Layer::Cast(p);
if ( 0 == m_idef_layer_table_parent_layer )
{
delete p;
break;
}
}
rc = true;
break;
}
if ( !binary_archive.EndRead3dmChunk() )
rc = false;
return rc;
}
BOOL CSampleMarkerUserData::Read(ON_BinaryArchive& binary_archive)
{
int major_version = 0;
int minor_version = 0;
bool rc = binary_archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK, &major_version, &minor_version);
if (!rc)
return false;
// Read class members like this
for (;;)
{
rc = (1 == major_version);
if (!rc) break;
// version 1.0 fields
rc = binary_archive.ReadBool(&m_bEnabled);
if (!rc) break;
// The code in the comment below demonstrates how to
// correctly read information added in later releases
// of your product.
//if ( minor_version >= 1 )
//{
// // version 1.1 fields added DD MMM YYYY
// rc = binary_archive.ReadSomethingNew( ... );
// if (!rc) break;
// rc = binary_archive.ReadSomethingElseNew( ... );
// if (!rc) break;
//
// if ( minor_version >= 2 )
// {
// // version 1.2 fields added DD MMM YYYY
// rc = binary_archive.ReadAnotherSomethingNew( ... );
// if (!rc) break;
// rc = binary_archive.ReadAnotherSomethingElseNew( ... );
// if (!rc) break;
// }
//}
break;
}
// If BeginRead3dmChunk() returns true,
// then EndRead3dmChunk() must be called,
// even if a read operation failed.
if (!binary_archive.EndRead3dmChunk())
rc = false;
return rc;
}
bool ON_ClippingPlane::Read( ON_BinaryArchive& file )
{
Default();
int major_version = 0;
int minor_version = 0;
bool rc = file.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
if (!rc)
return false;
for(;;)
{
rc = (1 == major_version);
if (!rc) break;
ON_UUID viewport_id;
rc = file.ReadUuid(viewport_id);
if(!rc) break;
if( 0 == minor_version )
m_viewport_ids.AddUuid( viewport_id );
rc = file.ReadUuid(m_plane_id);
if (!rc) break;
rc = file.ReadPlane(m_plane);
if (!rc) break;
rc = file.ReadBool(&m_bEnabled);
if (!rc) break;
if( minor_version > 0 )
{
rc = m_viewport_ids.Read(file);
if (!rc) break;
}
break;
}
if ( !file.EndRead3dmChunk() )
rc = false;
return rc;
}
ON_BOOL32 ON_PolyEdgeSegment::Read( ON_BinaryArchive& archive )
{
Init();
int major_version = 0;
int minor_version = 0;
bool rc = archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
if (!rc)
return false;
for(;;)
{
rc = (1 == major_version);
if ( !rc )
break;
rc = archive.ReadUuid(m_object_id);
if (!rc) break;
rc = archive.ReadComponentIndex(m_component_index);
if (!rc) break;
rc = archive.ReadInterval(m_edge_domain);
if (!rc) break;
rc = archive.ReadInterval(m_trim_domain);
if (!rc) break;
// Read ON_ProxyCurve values we need
bool bReversed = false;
rc = archive.ReadBool(&bReversed);
if (!rc) break;
ON_Interval this_domain;
rc = archive.ReadInterval(this_domain);
if (!rc) break;
ON_Interval real_curve_domain;
rc = archive.ReadInterval(real_curve_domain);
if (!rc) break;
if ( bReversed)
ON_CurveProxy::Reverse();
ON_CurveProxy::SetDomain(this_domain);
ON_CurveProxy::SetProxyCurveDomain(real_curve_domain);
break;
}
if ( !archive.EndRead3dmChunk() )
rc = false;
return rc;
}
ON_BOOL32 ON_3dmObjectAttributes::Read( ON_BinaryArchive& file )
{
Default();
if ( file.Archive3dmVersion() >= 5
&& file.ArchiveOpenNURBSVersion() >= 200712190 )
{
return ReadV5Helper(file);
}
int i;
int major_version = 0;
int minor_version = 0;
bool rc = file.Read3dmChunkVersion(&major_version,&minor_version);
if ( rc && major_version == 1 )
{
if (rc) rc = file.ReadUuid(m_uuid);
if (rc) rc = file.ReadInt(&m_layer_index);
if (rc) rc = file.ReadInt(&m_material_index);
if (rc) rc = file.ReadColor(m_color);
while(rc)
{
// OBSOLETE if (rc) rc = file.ReadLineStyle(m_line_style); // 23 March 2005 Dale Lear
// replaced with
short s = 0;
double x;
rc = file.ReadShort(&s);
if (!rc) break;
if ( file.Archive3dmVersion() < 4 || file.ArchiveOpenNURBSVersion() < 200503170 )
{
// ignore unused linestyle info in old files
// This bit keeps the curve arrowheads from V3 showing up
// in V4.
m_object_decoration = ON::ObjectDecoration( (s & ON::both_arrowhead) );
}
rc = file.ReadShort(&s);
if (!rc) break;
rc = file.ReadDouble(&x);
if (!rc) break;
rc = file.ReadDouble(&x);
break;
}
if (rc) rc = file.ReadInt(&m_wire_density);
if (rc) rc = file.ReadChar(&m_mode);
if (rc) rc = file.ReadChar(&m_color_source);
if (rc) m_color_source = (unsigned char)ON::ObjectColorSource(m_color_source);
if (rc) rc = file.ReadChar(&m_linetype_source);
if (rc) m_linetype_source = (unsigned char)ON::ObjectLinetypeSource(m_linetype_source);
if (rc) rc = file.ReadChar(&m_material_source);
if (rc) m_material_source = (unsigned char)ON::ObjectMaterialSource(m_material_source);
if (rc) rc = file.ReadString(m_name);
if (rc) rc = file.ReadString(m_url);
m_bVisible = (Mode() != ON::hidden_object);
if ( rc && minor_version >= 1 )
{
rc = file.ReadArray( m_group );
if ( rc && minor_version >= 2 )
{
rc = file.ReadBool(&m_bVisible);
if ( rc && minor_version >= 3 )
{
rc = file.ReadArray(m_dmref);
if (rc && minor_version >= 4 )
{
// 23 March 2005 Dale Lear
// Added m_plot_color_source and m_plot_color
i = 0;
if (rc) rc = file.ReadInt(&i);
if (rc) m_object_decoration = ON::ObjectDecoration(i);
if (rc) rc = file.ReadChar(&m_plot_color_source);
if (rc) m_plot_color_source = (unsigned char)ON::PlotColorSource(m_plot_color_source);
if (rc) rc = file.ReadColor( m_plot_color );
if (rc) rc = file.ReadChar(&m_plot_weight_source);
if (rc) m_plot_weight_source = (unsigned char)ON::PlotWeightSource(m_plot_weight_source);
if (rc) rc = file.ReadDouble(&m_plot_weight_mm);
if (rc && minor_version >= 5 )
{
// version 1.5 fields 11 April 2005
if (rc) rc = file.ReadInt(&m_linetype_index);
// version 1.6 fields 2 September 2005
if (rc && minor_version >= 6 )
{
unsigned char uc = 0;
rc = file.ReadChar(&uc);
if (rc)
{
m_space = (1 == uc) ? ON::page_space : ON::model_space;
m_dmref.Empty();
int i, count=0;
rc = file.ReadInt(&count);
if (rc && count > 0)
{
m_dmref.SetCapacity(count);
for ( i = 0; i < count && rc; i++)
{
ON_DisplayMaterialRef& dmr = m_dmref.AppendNew();
rc = file.ReadUuid(dmr.m_viewport_id);
if (rc) rc = file.ReadUuid(dmr.m_display_material_id);
if ( rc )
{
// Assigning an object to a page started out as
// using dmrs. The way the runtime info is saved
// has changed, but, at this point, I can't change
// the way the information is saved in the file and
// it doesn't matter.
if ( 0 == ON_UuidCompare(&ON_ObsoletePageSpaceObjectId,&dmr.m_display_material_id) )
{
m_viewport_id = dmr.m_viewport_id;
m_dmref.Remove();
}
}
}
if ( 0 == m_dmref.Count() )
m_dmref.Destroy();
}
}
if ( rc && minor_version >= 7 )
{
// version 1.7 fields 6 June 2006
if (rc) rc = m_rendering_attributes.Read(file);
}
}
}
}
}
}
}
}
else
{
rc = false;
}
return rc;
}
bool ON_3dmObjectAttributes::ReadV5Helper( ON_BinaryArchive& file )
{
unsigned char itemid, c;
int major_version = 0;
int minor_version = 0;
bool rc = file.Read3dmChunkVersion(&major_version,&minor_version);
if ( rc && 2 != major_version )
rc = false;
itemid = 0xFF;
while(rc)
{
if (!rc) break;
rc = file.ReadUuid(m_uuid);
if (!rc) break;
rc = file.ReadInt(&m_layer_index);
if (!rc) break;
// read non-default settings - skip everything else
rc = file.ReadChar(&itemid);
if (!rc) break;
if ( 0 == itemid )
break;
if ( 1 == itemid )
{
rc = file.ReadString(m_name);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 2 == itemid )
{
rc = file.ReadString(m_url);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 3 == itemid )
{
rc = file.ReadInt(&m_linetype_index);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 4 == itemid )
{
rc = file.ReadInt(&m_material_index);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 5 == itemid )
{
rc = m_rendering_attributes.Read(file);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 6 == itemid )
{
rc = file.ReadColor(m_color);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 7 == itemid )
{
rc = file.ReadColor(m_plot_color);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 8 == itemid )
{
rc = file.ReadDouble(&m_plot_weight_mm);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 9 == itemid )
{
rc = file.ReadChar(&c);
if (!rc) break;
m_object_decoration = ON::ObjectDecoration(c);
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 10 == itemid )
{
rc = file.ReadInt(&m_wire_density);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 11 == itemid )
{
rc = file.ReadBool(&m_bVisible);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 12 == itemid )
{
rc = file.ReadChar(&m_mode);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 13 == itemid )
{
rc = file.ReadChar(&m_color_source);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 14 == itemid )
{
rc = file.ReadChar(&m_plot_color_source);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 15 == itemid )
{
rc = file.ReadChar(&m_plot_weight_source);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 16 == itemid )
{
rc = file.ReadChar(&m_material_source);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 17 == itemid )
{
rc = file.ReadChar(&m_linetype_source);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 18 == itemid )
{
rc = file.ReadArray(m_group);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 19 == itemid )
{
rc = file.ReadChar(&c);
if (!rc) break;
m_space = ON::ActiveSpace(c);
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 20 == itemid )
{
rc = file.ReadUuid(m_viewport_id);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( 21 == itemid )
{
rc = file.ReadArray(m_dmref);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
// items 1 - 21 are in chunk version 2.0 files
if ( minor_version <= 0 )
break;
// 28 Nov. 2009 - S. Baer
// Added m_display_order to version 2.1 files
if ( 22 == itemid )
{
rc = file.ReadInt(&m_display_order);
if (!rc) break;
rc = file.ReadChar(&itemid);
if ( !rc || 0 == itemid ) break;
}
if ( minor_version <= 1 )
break;
// Add new item reading above this code, and increment the "22"
// in the following if statement to an appropriate value, and
// update the comment. Be sure to test reading of old and
// new files by old and new code, before checking in your
// changes.
//
if ( itemid > 22 )
{
// we are reading file written with code newer
// than this code (minor_version > 1)
itemid = 0;
}
break;
}
if ( rc && 0 != itemid )
{
ON_ERROR("Bug in ON_3dmObjectAttributes::ReadV5Helper or WriteV5Helper");
}
return rc;
}
bool ON_Localizer::Read(ON_BinaryArchive& archive)
{
Destroy();
int major_version = 0;
int minor_version = 0;
bool rc = archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
if (!rc)
return false;
for(;;)
{
rc = (1 == major_version);
if ( !rc ) break;
int i = no_type;
rc = archive.ReadInt(&i);
if ( !rc ) break;
switch(i)
{
case sphere_type: m_type = sphere_type; break;
case plane_type: m_type = plane_type; break;
case cylinder_type: m_type = cylinder_type; break;
case curve_type: m_type = curve_type; break;
case surface_type: m_type = surface_type; break;
case distance_type: m_type = distance_type; break;
}
rc = archive.ReadPoint(m_P);
if ( !rc ) break;
rc = archive.ReadVector(m_V);
if ( !rc ) break;
rc = archive.ReadInterval(m_d);
if ( !rc ) break;
int mjv = 0, mnv = 0;
rc = archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&mjv,&mnv);
if (!rc) break;
rc = (1 == mjv);
bool bReadCurve = false;
if (rc)
rc = archive.ReadBool( &bReadCurve );
if ( rc && bReadCurve)
{
m_nurbs_curve = new ON_NurbsCurve();
rc = m_nurbs_curve->Read(archive)?true:false;
}
if ( !archive.EndRead3dmChunk() )
rc = false;
if (!rc) break;
rc = archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&mjv,&mnv);
if (!rc) break;
rc = (1 == mjv);
bool bReadSurface = false;
rc = archive.ReadBool( &bReadSurface );
if ( rc && bReadSurface )
{
m_nurbs_surface = new ON_NurbsSurface();
rc = m_nurbs_surface->Read(archive)?true:false;
}
if ( !archive.EndRead3dmChunk() )
rc = false;
if (!rc) break;
break;
}
if ( !archive.EndRead3dmChunk() )
rc = false;
return rc;
}
bool ON_BezierCage::Read(ON_BinaryArchive& archive)
{
Destroy();
int major_version = 0;
int minor_version = 0;
bool rc = archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
if ( rc )
{
while(rc)
{
if ( major_version != 1 )
{
ON_ERROR("ON_BezierCage::Read - old code unable to read new version of chunk");
rc = false;
break;
}
int dim=0,order0=0,order1=0,order2=0;
bool is_rat=false;
rc = archive.ReadInt(&dim);
if (!rc)
break;
if (dim < 1 || dim > 10000)
{
ON_ERROR("ON_BezierCage::Read - invalid dim");
rc=false;
break;
}
rc = archive.ReadBool(&is_rat);
if (!rc)
break;
rc = archive.ReadInt(&order0);
if (!rc)
break;
if ( order0 < 2 || order0 > 10000 )
{
ON_ERROR("ON_BezierCage::Read - invalid order0");
rc=false;
break;
}
rc = archive.ReadInt(&order1);
if (!rc)
break;
if ( order1 < 2 || order1 > 10000 )
{
ON_ERROR("ON_BezierCage::Read - invalid order1");
rc=false;
break;
}
rc = archive.ReadInt(&order2);
if (!rc)
break;
if ( order2 < 2 || order2 > 10000 )
{
ON_ERROR("ON_BezierCage::Read - invalid order2");
rc=false;
break;
}
rc = Create(dim,is_rat,order0,order1,order2);
if (!rc)
break;
int i,j,k;
const int cv_dim = m_is_rat?(m_dim+1):m_dim;
for(i = 0; i < order0 && rc; i++)
{
for(j = 0; j < order1 && rc; j++)
{
for ( k = 0; k < order2 && rc; k++)
{
rc = archive.ReadDouble(cv_dim,CV(i,j,k));
}
}
}
break;
}
if ( !archive.EndRead3dmChunk() )
{
rc = false;
}
}
return rc;
}
BOOL ON_Layer::Read(
ON_BinaryArchive& file // restore definition from binary archive
)
{
int obsolete_value1 = 0; // see ON_Layer::Write
int major_version=0;
int minor_version=0;
int mode = ON::normal_layer;
Default();
BOOL rc = file.Read3dmChunkVersion(&major_version,&minor_version);
if ( rc && major_version == 1 )
{
// common to all 1.x formats
if ( rc ) rc = file.ReadInt( &mode );
if ( rc )
{
switch(mode)
{
case 0: // OBSOLETE ON::normal_layer
m_bVisible = true;
m_bLocked = false;
break;
case 1: // OBSOLETE ON::hidden_layer
m_bVisible = false;
m_bLocked = false;
break;
case 2: // OBSOLETE ON::locked_layer
m_bVisible = true;
m_bLocked = true;
break;
default:
m_bVisible = true;
m_bLocked = false;
break;
}
}
if ( rc ) rc = file.ReadInt( &m_layer_index );
if ( rc ) rc = file.ReadInt( &m_iges_level );
if ( rc ) rc = file.ReadInt( &m_material_index );
if ( rc ) rc = file.ReadInt( &obsolete_value1 );
if ( rc ) rc = file.ReadColor( m_color );
{
// OBSOLETE line style was never used - read and discard the next 20 bytes
short s;
double x;
if (rc) file.ReadShort(&s);
if (rc) file.ReadShort(&s);
if (rc) file.ReadDouble(&x);
if (rc) file.ReadDouble(&x);
}
if ( rc ) rc = file.ReadString( m_name );
if ( rc && minor_version >= 1 )
{
rc = file.ReadBool(&m_bVisible);
if ( rc && minor_version >= 2 )
{
rc = file.ReadInt( &m_linetype_index);
if (rc && minor_version >= 3 )
{
// 23 March 2005 Dale Lear
rc = file.ReadColor( m_plot_color);
if (rc) rc = file.ReadDouble( &m_plot_weight_mm);
if (rc && minor_version >= 4 )
{
rc = file.ReadBool(&m_bLocked);
if (rc && minor_version >= 5 )
{
rc = file.ReadUuid(m_layer_id);
if ( rc
&& minor_version >= 6
&& file.ArchiveOpenNURBSVersion() > 200505110
)
{
// Some files saved with opennurbs version 200505110
// do not contain correctly written m_parent_layer_id
// and m_bExpanded values.
// It is ok to default these values.
rc = file.ReadUuid(m_parent_layer_id);
if (rc)
rc = file.ReadBool(&m_bExpanded);
}
if ( rc && minor_version >= 7 )
{
// 1.7 field - added 6 June 2006
rc = m_rendering_attributes.Read(file);
if ( rc && minor_version >= 8 )
{
// 1.8 field - added 19 Sep 2006
rc = file.ReadUuid(m_display_material_id);
}
}
}
}
}
}
}
if ( ON_UuidIsNil(m_layer_id) )
{
// old files didn't have layer ids and we need unique ones.
ON_CreateUuid(m_layer_id);
}
}
else {
ON_ERROR("ON_Layer::Read() encountered a layer written by future code.");
rc = false;
}
return rc;
}
ON_BOOL32 ON_InstanceDefinition::Read(
ON_BinaryArchive& binary_archive
)
{
int major_version = 0;
int minor_version = 0;
m_us.m_custom_unit_scale = 0.0;
m_us.m_custom_unit_name.Destroy();
m_us.m_unit_system = ON::no_unit_system;
m_source_bRelativePath = false;
m_source_archive.Destroy();
bool rc = binary_archive.Read3dmChunkVersion(&major_version,&minor_version);
if ( rc )
{
if ( major_version != 1 )
rc = false;
// version 1.0 fields
if ( rc )
rc = binary_archive.ReadUuid( m_uuid );
if ( rc )
rc = binary_archive.ReadArray( m_object_uuid );
if ( rc )
rc = binary_archive.ReadString( m_name );
if ( rc )
rc = binary_archive.ReadString( m_description );
if ( rc )
rc = binary_archive.ReadString( m_url );
if ( rc )
rc = binary_archive.ReadString( m_url_tag );
if ( rc )
rc = binary_archive.ReadBoundingBox( m_bbox );
// m_idef_update_type was an unsigned int and got changed to an enum. Read and write
// as an unsigned int to support backwards compatibility
unsigned int source = m_idef_update_type;
if ( rc )
rc = binary_archive.ReadInt( &source );
if( rc)
m_idef_update_type = ON_InstanceDefinition::IdefUpdateType(source);
if ( rc )
rc = binary_archive.ReadString( m_source_archive );
// version 1.1 fields
if ( minor_version >= 1 )
{
if ( rc )
rc = m_source_archive_checksum.Read( binary_archive );
}
// version 1.2 fields
if ( minor_version >= 2 )
{
int us = ON::no_unit_system;
if ( rc )
rc = binary_archive.ReadInt( &us );
m_us.m_unit_system = ON::UnitSystem(us);
if ( ON::custom_unit_system != m_us.m_unit_system && ON::no_unit_system != m_us.m_unit_system )
{
m_us.m_custom_unit_scale = ON::UnitScale( m_us.m_unit_system, ON::meters );
}
else
{
m_us.m_custom_unit_scale = 0.0;
}
if ( minor_version >= 3 )
{
// version 1.3 fields - added 6 March 2006
//int us = ON::no_unit_system;
if ( rc )
rc = binary_archive.ReadDouble( &m_us.m_custom_unit_scale );
if ( rc )
rc = binary_archive.ReadBool( &m_source_bRelativePath );
if ( rc && minor_version >= 4 )
{
rc = m_us.Read(binary_archive);
if (rc && minor_version >= 5 )
{
rc = binary_archive.ReadInt(&m_idef_update_depth);
}
}
}
}
}
return rc;
}
ON_BOOL32 ON_InstanceDefinition::Read(
ON_BinaryArchive& binary_archive
)
{
int major_version = 0;
int minor_version = 0;
m_idef_layer_style = 0;
m_us.m_custom_unit_scale = 0.0;
m_us.m_custom_unit_name.Destroy();
m_us.m_unit_system = ON::no_unit_system;
m_source_bRelativePath = false;
m_source_archive.Destroy();
bool rc = binary_archive.Read3dmChunkVersion(&major_version,&minor_version);
if ( rc )
{
if ( major_version != 1 )
rc = false;
// version 1.0 fields
if ( rc )
rc = binary_archive.ReadUuid( m_uuid );
if ( rc )
rc = binary_archive.ReadArray( m_object_uuid );
if ( rc )
rc = binary_archive.ReadString( m_name );
if ( rc )
rc = binary_archive.ReadString( m_description );
if ( rc )
rc = binary_archive.ReadString( m_url );
if ( rc )
rc = binary_archive.ReadString( m_url_tag );
if ( rc )
rc = binary_archive.ReadBoundingBox( m_bbox );
// m_idef_update_type was an unsigned int and got changed to an enum. Read and write
// as an unsigned int to support backwards compatibility
unsigned int source = m_idef_update_type;
if ( rc )
rc = binary_archive.ReadInt( &source );
if( rc)
m_idef_update_type = ON_InstanceDefinition::IdefUpdateType(source);
if ( rc )
rc = binary_archive.ReadString( m_source_archive );
// version 1.1 fields
if ( minor_version >= 1 )
{
if ( rc )
rc = m_source_archive_checksum.Read( binary_archive );
}
// version 1.2 fields
if ( minor_version >= 2 )
{
int us = ON::no_unit_system;
if ( rc )
rc = binary_archive.ReadInt( &us );
m_us.m_unit_system = ON::UnitSystem(us);
if ( ON::custom_unit_system != m_us.m_unit_system && ON::no_unit_system != m_us.m_unit_system )
{
m_us.m_custom_unit_scale = ON::UnitScale( m_us.m_unit_system, ON::meters );
}
else
{
m_us.m_custom_unit_scale = 0.0;
}
if ( minor_version >= 3 )
{
// version 1.3 fields - added 6 March 2006
//int us = ON::no_unit_system;
if ( rc )
rc = binary_archive.ReadDouble( &m_us.m_custom_unit_scale );
if ( rc )
rc = binary_archive.ReadBool( &m_source_bRelativePath );
if ( rc && minor_version >= 4 )
{
rc = m_us.Read(binary_archive);
if (rc && minor_version >= 5 )
{
rc = binary_archive.ReadInt(&m_idef_update_depth);
if ( rc && minor_version >= 6 )
{
unsigned int i = 0;
rc = binary_archive.ReadInt(&i);
if ( i && i > 0 && i < 256 )
m_idef_layer_style = (unsigned char)i;
}
}
}
}
}
if ( ON_InstanceDefinition::embedded_def == m_idef_update_type )
{
// 7 February 2012
// "embedded_def" is obsolete.
if (m_source_archive.Length() > 0 )
m_idef_update_type = ON_InstanceDefinition::linked_and_embedded_def;
else
DestroySourceArchive(); // convert to static
}
if ( ON_InstanceDefinition::linked_def == m_idef_update_type )
{
if ( m_idef_layer_style < 1 || m_idef_layer_style > 2 )
{
// The goal of the next if/else clause is for Rhino users
// to see what they saw when they created the file.
if ( binary_archive.Archive3dmVersion() < 50 )
{
// V4 linked blocks and early V5 linked blocks treated
// layers and materials the way newer "active" idefs work,
// so when I read an archive with version < 50, the
// default will be 1 for "active".
m_idef_layer_style = 1;
}
else
{
// The more recent V5 linked blocks treated layers and materials
// the way "reference" style idefs work, so when I read an
// archive with version >= 50 (meaning recent V5), the default
// will be 2 for "reference".
m_idef_layer_style = 2;
}
}
}
else
{
m_idef_layer_style= 0;
}
}
return rc;
}
