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; }