Files
opennurbs/opennurbs_layer.cpp
2024-08-22 01:43:04 -07:00

2515 lines
75 KiB
C++

//
// Copyright (c) 1993-2023 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_LayerPrivate
{
public:
ON_LayerPrivate() = default;
~ON_LayerPrivate() = default;
bool operator==(const ON_LayerPrivate&) const;
bool operator!=(const ON_LayerPrivate&) const;
std::shared_ptr<ON_SectionStyle> m_custom_section_style;
bool m_visible_in_new_details = true;
};
static const ON_LayerPrivate DefaultLayerPrivate;
bool ON_LayerPrivate::operator==(const ON_LayerPrivate& other) const
{
if (this == &other)
return true;
{
const ON_SectionStyle* customThis = m_custom_section_style.get();
const ON_SectionStyle* customOther = other.m_custom_section_style.get();
if (nullptr == customThis && customOther)
return false;
if (customThis && nullptr == customOther)
return false;
if (customThis && customOther)
{
if ((*customThis) != (*customOther))
return false;
}
}
if (m_visible_in_new_details != other.m_visible_in_new_details)
return false;
return true;
}
bool ON_LayerPrivate::operator!=(const ON_LayerPrivate& other) const
{
return !ON_LayerPrivate::operator==(other);
}
ON_OBJECT_IMPLEMENT(ON_Layer,ON_ModelComponent,"95809813-E985-11d3-BFE5-0010830122F0");
const ON_Layer* ON_Layer::FromModelComponentRef(
const class ON_ModelComponentReference& model_component_reference,
const ON_Layer* none_return_value
)
{
const ON_Layer* p = ON_Layer::Cast(model_component_reference.ModelComponent());
return (nullptr != p) ? p : none_return_value;
}
bool ON_Layer::UpdateReferencedComponents(
const class ON_ComponentManifest& source_manifest,
const class ON_ComponentManifest& destination_manifest,
const class ON_ManifestMap& manifest_map
)
{
bool rc = true;
// Update render material reference
int material_index = RenderMaterialIndex();
if (material_index >= 0)
{
int destination_material_index = ON_UNSET_INT_INDEX;
if (manifest_map.GetAndValidateDestinationIndex(
ON_ModelComponent::Type::RenderMaterial,
material_index,
destination_manifest,
&destination_material_index))
{
material_index = destination_material_index;
}
else
{
ON_ERROR("Unable to update render material reference.");
rc = false;
material_index = ON_Layer::Default.RenderMaterialIndex();
}
SetRenderMaterialIndex(material_index);
}
// Update line pattern reference
int line_pattern_index = LinetypeIndex();
if (line_pattern_index >= 0)
{
int destination_line_pattern_index = ON_UNSET_INT_INDEX;
if (manifest_map.GetAndValidateDestinationIndex(
ON_ModelComponent::Type::LinePattern,
line_pattern_index,
destination_manifest,
&destination_line_pattern_index))
{
line_pattern_index = destination_line_pattern_index;
}
else
{
ON_ERROR("Unable to update line pattern reference.");
rc = false;
line_pattern_index = ON_Layer::Default.LinetypeIndex();
}
SetLinetypeIndex(line_pattern_index);
}
// Update parent layer reference
ON_UUID parent_layer_id = ParentLayerId();
if (ON_nil_uuid != parent_layer_id)
{
const ON_UUID manifest_item_id = destination_manifest.ItemFromId(
ON_ModelComponent::Type::Layer,
parent_layer_id
).Id();
if ( ON_nil_uuid == manifest_item_id )
{
ON_ERROR("Unable to update parent layer id reference.");
rc = false;
parent_layer_id = ON_Layer::Default.ParentLayerId();
}
else
{
parent_layer_id = manifest_item_id;
}
SetParentLayerId(parent_layer_id);
}
return rc;
}
#define ON_BOZO_VACCINE_3E4904E6E9304fbcAA42EBD407AEFE3B
#define ON_BOZO_VACCINE_BFB63C094BC7472789BB7CC754118200
ON_Layer::ON_Layer() ON_NOEXCEPT
: ON_ModelComponent(ON_ModelComponent::Type::Layer)
{}
ON_Layer::~ON_Layer()
{
if (m_private)
delete m_private;
}
ON_Layer::ON_Layer( const ON_Layer& src)
: ON_ModelComponent(ON_ModelComponent::Type::Layer,src)
, m_iges_level(src.m_iges_level)
, m_material_index(src.m_material_index)
, m_rendering_attributes(src.m_rendering_attributes)
, m_linetype_index(src.m_linetype_index)
, m_color(src.m_color)
, m_display_material_id(src.m_display_material_id)
, m_plot_color(src.m_plot_color)
, m_plot_weight_mm(src.m_plot_weight_mm)
, m_bExpanded(src.m_bExpanded)
, m_extension_bits(src.m_extension_bits)
{
if (src.m_private)
{
m_private = new ON_LayerPrivate();
*m_private = *src.m_private;
}
}
ON_Layer& ON_Layer::operator=(const ON_Layer& src)
{
if (this != &src)
{
ON_ModelComponent::operator=(src);
m_iges_level = src.m_iges_level;
m_material_index = src.m_material_index;
m_rendering_attributes = src.m_rendering_attributes;
m_linetype_index = src.m_linetype_index;
m_color = src.m_color;
m_display_material_id = src.m_display_material_id;
m_plot_color = src.m_plot_color;
m_plot_weight_mm = src.m_plot_weight_mm;
m_bExpanded = src.m_bExpanded;
m_extension_bits = src.m_extension_bits;
if (m_private)
delete m_private;
m_private = nullptr;
if (src.m_private)
{
m_private = new ON_LayerPrivate();
*m_private = *src.m_private;
}
}
return *this;
}
static void SetExtensionBit( unsigned char* layer_m_extension_bits, unsigned char mask )
{
*layer_m_extension_bits |= mask;
}
static void ClearExtensionBit( unsigned char* layer_m_extension_bits, unsigned char mask )
{
unsigned char notmask = ~mask;
*layer_m_extension_bits &= notmask;
}
static bool ExtensionBit( unsigned char layer_m_extension_bits, unsigned char mask )
{
return (0 != (layer_m_extension_bits & mask));
}
bool ON_Layer::IsValid( ON_TextLog* text_log ) const
{
if ( NameIsEmpty() )
{
if ( text_log )
{
text_log->Print("Layer name is empty.\n");
}
return false;
}
return true;
}
// 12 Aug 2021 S. Baer
// When adding new fields written to 3dm files, always add information to this
// Dump function. Dump is used by the opennurbs file testing framework to
// perform comparisons and is useful for manual comparison in when tests fail.
void ON_Layer::Dump( ON_TextLog& dump ) const
{
ON_ModelComponent::Dump(dump);
dump.Print("display = %s\n",IsVisible()?"visible":"hidden");
dump.Print("picking = %s\n",IsLocked()?"locked":"unlocked");
dump.Print("display color rgb = "); dump.PrintRGB(m_color); dump.Print("\n");
dump.Print("plot color rgb = "); dump.PrintRGB(m_plot_color); dump.Print("\n");
dump.Print("default material index = %d\n",m_material_index);
//{
// bool clipAll = true;
// bool clipNone = false;
// ON_UuidList cliplist;
// bool isSelectiveList = true;
// GetClipParticipation(clipAll, clipNone, cliplist, isSelectiveList);
// if (clipAll)
// {
// dump.Print("participates with all clipping planes\n");
// }
// else if (clipNone)
// {
// dump.Print("participates with no clipping planes\n");
// }
// else
// {
// dump.Print("participates with specific clipping planes\n");
// }
//}
const ON_SectionStyle* section_style = CustomSectionStyle();
if (nullptr == section_style)
{
dump.Print("No custom section style\n");
}
else
{
dump.Print("Has custom section style\n");
}
}
// 28 Sept. 2021
// This enum is patterned off of ON_3dmObjectAttributeTypeCode
// Layers will grow with properties at the same rate as ON_3dmObjectAttributes
// Attribute I/O changed years ago to only write non-default values into
// 3dm files so we don't end up stuffing repeated data into a 3dm that can be
// inferred when the data matches default values.
enum ON_LayerTypeCodes : unsigned char
{
ObsoleteSelectiveClippingData = 28,
// 18 Oct 2021 S. Baer
// chunk version 1.11: add section hatch attributes
SectionHatchIndex = 29,
SectionHatchScale = 30,
SectionHatchRotation = 31,
// 14 June 2022 S. Baer
// chunk version 1.12: add section fill rule
SectionFillRule = 32,
// 30 Nov 2022 S. Baer
// chunk version 1.13: add custom linetype
CustomLinetype = 33,
// 4 Apr 2023 D. Fugier
// chunk version 1.14: add visible in new detail
PerViewportIsVisibleInNewDetails = 34,
// 22 Apr 2023 S. Baer
// chunk version 1.15: custom section style
CustomSectionStyle = 35,
// 11 May 2023 S. Baer
// New selective clipping data with bool for list type
ObsoleteSelectiveClippingListType = 36,
LastLayerTypeCode = 36
};
bool ON_Layer::Write(
ON_BinaryArchive& file // serialize definition to binary archive
) const
{
int i;
// 11 May 2023 S. Baer
// Do not write a minor chunk version greater than 15. Chunk versions are actually
// two values packed into a single unsigned char. The use of type codes for I/O
// with layers makes it so the minor version isn't really necessary. Just stop at
// a minor version of 15
bool rc = file.Write3dmChunkVersion(1,15);
while(rc)
{
// Save the visibility state this layer has when its parent
// is visible ignoring current parent visibility value.
bool bVisible = PersistentVisibility();
// Save the locked state this layer has when its parent
// is unlocked ignoring current parenting locked setting.
const bool bLocked = PersistentLocking();
// Save OBSOLETE mode value so we don't break file format
if ( bVisible )
i = 0; // "normal" layer mode
else if ( bLocked )
i = 2; // "locked" layer mode
else
i = 1; // "hidden" layer mode
rc = file.WriteInt( i );
if (!rc) break;
rc = file.Write3dmReferencedComponentIndex( *this );
if (!rc) break;
rc = file.WriteInt( m_iges_level );
if (!rc) break;
rc = file.Write3dmReferencedComponentIndex( ON_ModelComponent::Type::RenderMaterial, m_material_index );
if (!rc) break;
// Starting with version 200312110, this value is zero. For files written
// with earlier versions, the number was a "model index" value that was
// set to something >= 1, but never used. We have to continue to
// read/write an integer here so that old/new versions of opennurbs can
// read files written by new/old versions.
i = 0;
rc = file.WriteInt( i );
if (!rc) break;
rc = file.WriteColor( m_color );
if (!rc) break;
{
// OBSOLETE LINE STYLE if ( rc ) rc = file.WriteLineStyle( LineStyle() );
// Starting with version 200503170, this section is "officially" not used.
// Prior to that, it was old ON_LineStyle information that has
// never been used.
short s = 0;
if (rc) rc = file.WriteShort(s); // default pattern
if (rc) rc = file.WriteShort(s); // default pattern index
if (rc) rc = file.WriteDouble(0.0); // default thickness
if (rc) rc = file.WriteDouble(1.0); // default scale
}
if (!rc) break;
if (
file.Active3dmTable() == ON_3dmArchiveTableType::layer_table
&& file.Archive3dmVersion() <= 4
&& NameIsNotEmpty()
&& ParentIdIsNotNil()
)
{
ON_wString name = Name();
// In V4 there are no parent layers and all V4 layer names must be unique.
// Since layers can be written in any order, we cannot know if there will
// eventually be a parent layer using the same name as this child layer.
// So, child layer names get a hash appended to insure they are unique.
ON_UUID parent_layer_id = ParentId();
ON__UINT16 hash = ON_CRC16(0, sizeof(parent_layer_id), &parent_layer_id);
ON_RandomNumberGenerator rng;
rng.Seed(hash);
for (int attempt_count = 0; attempt_count < 100; attempt_count++)
{
while ( 0 == hash )
hash = (ON__UINT16)(rng.RandomNumber() % 0xFFFFU);
ON_wString sublayer_name;
sublayer_name.Format(L"%ls (%04x)", static_cast<const wchar_t*>(name),hash);
// Use ON_nil_uuid ast the parent id because we need a name that is uniques
// as a "top level" layer name for V4 files.
const ON_NameHash sublayer_name_hash = ON_NameHash::Create(ON_nil_uuid,sublayer_name);
if ( file.Manifest().ItemFromNameHash(ComponentType(), sublayer_name_hash).IsUnset() )
{
// have a unique name
name = sublayer_name;
const_cast< ON_ComponentManifest& >(file.Manifest()).ChangeComponentNameHash(Id(), sublayer_name_hash);
break;
}
hash = (ON__UINT16)(rng.RandomNumber() % 0xFFFFU);
}
rc = file.WriteString( name );
}
else
{
rc = file.WriteModelComponentName(*this);
}
if (!rc) break;
// 1.1 fields
rc = file.WriteBool(bVisible);
if (!rc) break;
// 1.2 field
rc = file.Write3dmReferencedComponentIndex( ON_ModelComponent::Type::LinePattern, m_linetype_index );
if (!rc) break;
// 1.3 field - 23 March 2005 Dale Lear
rc = file.WriteColor( m_plot_color);
if (!rc) break;
rc = file.WriteDouble( m_plot_weight_mm);
if (!rc) break;
// 1.4 field - 3 May 2005 Dale Lear
// - locked and visible are independent settings
rc = file.WriteBool( bLocked );
if (!rc) break;
// 1.5 field
rc = file.WriteUuid( Id() );
if (!rc) break;
// 1.6 field
ON_UUID parent_layer_id = ParentLayerId();
rc = file.WriteUuid( parent_layer_id );
if (!rc) break;
// 1.6 field
rc = file.WriteBool( m_bExpanded );
if (!rc) break;
// 1.7 field - added 6 June 2006
rc = m_rendering_attributes.Write(file);
if (!rc) break;
// 1.8 field - added 19 Sep 2006
rc = file.WriteUuid(m_display_material_id);
if (!rc) break;
// 1.10 field - added 29 Sep 2021
// using ON_3dmObjectAttributes inspired technique for writing only
// non-default values to 3dm files
unsigned char c = 0;
// selective clipping (1.10)
//{
// bool forAllClippingPlanes = true;
// bool forNoClippingPlanes = false;
// ON_UuidList selectiveList;
// bool isParticipationList = true;
// GetClipParticipation(forAllClippingPlanes, forNoClippingPlanes, selectiveList, isParticipationList);
// // only write selective clipping data if it is not default
// if (false == forAllClippingPlanes || true == forNoClippingPlanes || selectiveList.Count() > 0)
// {
// c = ON_LayerTypeCodes::SelectiveClippingData;
// rc = file.WriteChar(c);
// if (!rc) break;
// rc = file.WriteBool(forNoClippingPlanes);
// if (!rc) break;
// rc = selectiveList.Write(file);
// if (!rc) break;
// }
//}
// 23 April 2023 S. Baer
// Stop writing individual section attributes. All section attribute IO has been
// moved to writing an ON_SectionStyle instance
// section hatch (1.11)
const ON_SectionStyle* section_style = CustomSectionStyle();
//if (section_style)
//{
// if (section_style->HatchIndex() != ON_UNSET_INT_INDEX)
// {
// c = ON_LayerTypeCodes::SectionHatchIndex;
// rc = file.WriteChar(c);
// if (!rc) break;
// rc = file.Write3dmReferencedComponentIndex(ON_ModelComponent::Type::HatchPattern, section_style->HatchIndex());
// if (!rc) break;
// }
// if (section_style->HatchScale() != 1.0)
// {
// c = ON_LayerTypeCodes::SectionHatchScale;
// rc = file.WriteChar(c);
// if (!rc) break;
// rc = file.WriteDouble(section_style->HatchScale());
// if (!rc) break;
// }
// if (section_style->HatchRotation() != 0.0)
// {
// c = ON_LayerTypeCodes::SectionHatchRotation;
// rc = file.WriteChar(c);
// if (!rc) break;
// rc = file.WriteDouble(section_style->HatchRotation());
// if (!rc) break;
// }
// // section fill (1.12)
// if (section_style->SectionFillRule() != ON::SectionFillRule::ClosedCurves)
// {
// c = ON_LayerTypeCodes::SectionFillRule; //32
// rc = file.WriteChar(c);
// if (!rc) break;
// rc = file.WriteChar((unsigned char)section_style->SectionFillRule());
// if (!rc) break;
// }
//}
// custom linetype (1.13)
// 17 Feb 2023 S. Baer
// Custom linetypes were an experiment that ended up making the UI more complicated
// than necessary. Do not write any custom linetype data into the 3dm file.
//{
// const ON_Linetype* linetype = CustomLinetype();
// if (linetype)
// {
// c = ON_LayerTypeCodes::CustomLinetype; // 33
// rc = file.WriteChar(c);
// if (!rc) break;
// rc = linetype->Write(file);
// if (!rc) break;
// }
//}
// visible in new detail (1.14)
if (PerViewportIsVisibleInNewDetails() != DefaultLayerPrivate.m_visible_in_new_details)
{
c = ON_LayerTypeCodes::PerViewportIsVisibleInNewDetails; //34
rc = file.WriteChar(c);
if (!rc) break;
rc = file.WriteBool(PerViewportIsVisibleInNewDetails());
if (!rc) break;
}
if (section_style)
{
c = ON_LayerTypeCodes::CustomSectionStyle; //35
rc = file.WriteChar(c);
if (!rc) break;
rc = section_style->Write(file);
if (!rc) break;
}
//if (m_private && false == m_private->m_clipplane_list_is_participation)
//{
// c = ON_LayerTypeCodes::SelectiveClippingListType; //36
// rc = file.WriteChar(c);
// if (!rc) break;
// rc = file.WriteBool(m_private->m_clipplane_list_is_participation);
// if (!rc) break;
//}
// 0 indicates end of new non-default attributes
c = 0;
rc = file.WriteChar(c);
break;
}
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;
*this = ON_Layer::Unset;
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
break;
case 1: // OBSOLETE ON::hidden_layer
SetHiddenModelComponentState(true);
break;
case 2: // OBSOLETE ON::locked_layer
SetLockedModelComponentState( true );
break;
default:
break;
}
}
int layer_index = Index();
if (rc)
{
// this is the archive layer index - it will probably change when the
// layer is added to the model. Since the layer has not been added to
// the model, there is not way to automatically update it at this time.
rc = file.ReadInt(&layer_index);
}
if (rc)
SetIndex(layer_index);
if ( rc ) rc = file.ReadInt( &m_iges_level );
// render material index
int render_material_index = ON_UNSET_INT_INDEX;
if (rc)
rc = file.Read3dmReferencedComponentIndex(ON_ModelComponent::Type::RenderMaterial,&render_material_index);
if (rc && ON_UNSET_INT_INDEX != render_material_index )
SetRenderMaterialIndex(render_material_index);
if ( rc ) rc = file.ReadInt( &obsolete_value1 );
if ( rc ) rc = file.ReadColor( m_color );
// 25 Aug 2021 S. Baer (RH-65410)
// Pre-V7 files ignored alpha on layer colors and in some cases
// alpha was being set to completely transparent. In this case,
// make the color opaque. Even V7 files with completely transparent
// color is strange, but it can be intentionally set for some reason
if (rc && m_color.Alpha() == 255 && m_color != ON_Color::UnsetColor && file.Archive3dmVersion() < 70)
{
m_color.SetAlpha(0);
}
{
// 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);
}
ON_wString layer_name;
if ( rc ) rc = file.ReadString( layer_name );
if (rc)
SetName(layer_name);
if ( rc && minor_version >= 1 )
{
bool bVisible = true;
rc = file.ReadBool(&bVisible);
if ( rc && false == bVisible)
SetHiddenModelComponentState(true);
bVisible = (false == ModelComponentStatus().IsHidden());
if ( rc && minor_version >= 2 )
{
// line pattern index
int line_pattern_index = ON_UNSET_INT_INDEX;
rc = file.Read3dmReferencedComponentIndex( ON_ModelComponent::Type::LinePattern, &line_pattern_index );
if (rc && ON_UNSET_INT_INDEX != line_pattern_index)
SetLinetypeIndex(line_pattern_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 )
{
bool bLocked = false;
rc = file.ReadBool(&bLocked);
if (rc && bLocked )
SetLockedModelComponentState(bLocked);
bLocked = ModelComponentStatus().IsLocked();
if (rc && minor_version >= 5 )
{
ON_UUID layer_id = ON_nil_uuid;
rc = file.ReadUuid(layer_id);
if (rc)
SetId(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.
ON_UUID parent_layer_id = ON_nil_uuid;
rc = file.ReadUuid(parent_layer_id);
if (rc)
{
SetParentId(parent_layer_id);
if ( ON_UuidIsNotNil(parent_layer_id) )
{
//SetParentId(parent_layer_id);
if ( ModelComponentStatus().IsHidden() )
SetPersistentVisibility(false);
if ( ModelComponentStatus().IsLocked())
SetPersistentLocking(true);
}
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 (rc && minor_version == 9)
{
// 1.9 field - added 11 Aug 2021 and removed on 12 Aug 2021
// Note above that we are looking specifically at minor_version of 9
// read two chars and throw them away.
// minor_version >= 10 should skip this entirely
unsigned char style = 0;
rc = file.ReadChar(&style);
if (rc)
{
style = 0;
rc = file.ReadChar(&style);
}
}
if (rc && minor_version >= 10)
{
unsigned char itemid = 0xFF;
while (rc)
{
rc = file.ReadChar(&itemid);
if (!rc) break;
if (0 == itemid)
break;
if (ON_LayerTypeCodes::ObsoleteSelectiveClippingData == itemid) //28
{
bool noClippingPlanes = false;
ON_UuidList selectiveList;
rc = file.ReadBool(&noClippingPlanes);
if (!rc) break;
rc = selectiveList.Read(file);
if (!rc) break;
//if (noClippingPlanes)
// SetClipParticipationForNone();
//else if (selectiveList.Count() > 0)
// SetClipParticipationList(selectiveList.Array(), selectiveList.Count(), true);
//else
// SetClipParticipationForAll();
rc = file.ReadChar(&itemid);
if (!rc || 0 == itemid) break;
}
if (minor_version <= 10)
break;
if (ON_LayerTypeCodes::SectionHatchIndex == itemid) // 30
{
int pattern = 0;
rc = file.Read3dmReferencedComponentIndex(ON_ModelComponent::Type::HatchPattern, &pattern);
if (!rc) break;
ON_SectionStyle section_style;
CustomSectionStyle(&section_style);
section_style.SetHatchIndex(pattern);
SetCustomSectionStyle(section_style);
rc = file.ReadChar(&itemid);
if (!rc || 0 == itemid) break;
}
if (ON_LayerTypeCodes::SectionHatchScale == itemid) // 31
{
double scale = 1;
rc = file.ReadDouble(&scale);
if (!rc) break;
ON_SectionStyle section_style;
CustomSectionStyle(&section_style);
section_style.SetHatchScale(scale);
SetCustomSectionStyle(section_style);
rc = file.ReadChar(&itemid);
if (!rc || 0 == itemid) break;
}
if (ON_LayerTypeCodes::SectionHatchRotation == itemid) // 32
{
double rotation = 0;
rc = file.ReadDouble(&rotation);
if (!rc) break;
ON_SectionStyle section_style;
CustomSectionStyle(&section_style);
section_style.SetHatchRotation(rotation);
SetCustomSectionStyle(section_style);
rc = file.ReadChar(&itemid);
if (!rc || 0 == itemid) break;
}
if (minor_version <= 11)
break;
if (ON_LayerTypeCodes::SectionFillRule == itemid)
{
unsigned char c = 0;
rc = file.ReadChar(&c);
if (!rc) break;
ON_SectionStyle section_style;
CustomSectionStyle(&section_style);
section_style.SetSectionFillRule(ON::SectionFillRuleFromUnsigned(c));
SetCustomSectionStyle(section_style);
rc = file.ReadChar(&itemid);
if (!rc || 0 == itemid) break;
}
if (minor_version <= 12)
break;
if (ON_LayerTypeCodes::CustomLinetype == itemid)
{
ON_Linetype lt;
rc = lt.Read(file);
if (!rc) break;
// 17 Feb 2023 S. Baer
// Custom linetype per layer was a short lived experiment
// We still need to read a linetype out of the few 3dm files
// that have them, but we no longer set any sort of custom linetype
//SetCustomLinetype(lt);
rc = file.ReadChar(&itemid);
if (!rc || 0 == itemid) break;
}
if (minor_version <= 13)
break;
// visible in new detail (1.14)
if (ON_LayerTypeCodes::PerViewportIsVisibleInNewDetails == itemid)
{
bool b = true;
rc = file.ReadBool(&b);
if (!rc) break;
SetPerViewportIsVisibleInNewDetails(b);
rc = file.ReadChar(&itemid);
if (!rc || 0 == itemid) break;
}
if (minor_version <= 14)
break;
if (ON_LayerTypeCodes::CustomSectionStyle == itemid)
{
ON_SectionStyle section_style;
rc = section_style.Read(file);
if (!rc) break;
SetCustomSectionStyle(section_style);
rc = file.ReadChar(&itemid);
if (!rc || 0 == itemid) break;
}
if (ON_LayerTypeCodes::ObsoleteSelectiveClippingListType == itemid)
{
bool b = true;
file.ReadBool(&b);
if (!rc) break;
//if (nullptr == m_private)
// m_private = new ON_LayerPrivate();
//m_private->m_clipplane_list_is_participation = b;
rc = file.ReadChar(&itemid);
if (!rc || 0 == itemid) break;
}
// Add new item reading above and increment the LastLayerTypeCode value
// in the enum. Be sure to test reading of old and new files by old and new
// code, before checking in your changes.
if (itemid > ON_LayerTypeCodes::LastLayerTypeCode)
{
// we are reading file written with code newer than this code
itemid = 0;
}
break;
}
if (rc && 0 != itemid)
{
ON_ERROR("Bug in ON_Layer::Read or Write");
}
}
}
}
}
}
}
}
}
if ( IdIsNil() )
{
// old files didn't have layer ids and we need unique ones.
SetId();
}
}
else
{
ON_ERROR("ON_Layer::Read() encountered a layer written by future code.");
rc = false;
}
return rc;
}
ON::object_type ON_Layer::ObjectType() const
{
return ON::layer_object;
}
//////////////////////////////////////////////////////////////////////
//
// Interface
void ON_Layer::SetColor( ON_Color c)
{
m_color = c;
}
void ON_Layer::SetPlotColor( ON_Color c)
{
m_plot_color = c;
}
ON_Color ON_Layer::Color() const
{
return m_color;
}
ON_Color ON_Layer::PlotColor() const
{
return ((m_plot_color == ON_UNSET_COLOR) ? m_color : m_plot_color);
}
bool ON_Layer::SetLinetypeIndex( int index)
{
if( m_linetype_index != index )
{
IncrementContentVersionNumber();
m_linetype_index = index;
return true;
}
return false;
}
int ON_Layer::LinetypeIndex() const
{
return m_linetype_index;
}
ON_UUID ON_Layer::ParentLayerId() const
{
return ParentId();
}
void ON_Layer::SetParentLayerId(
ON_UUID parent_layer_id
)
{
SetParentId(parent_layer_id);
}
bool ON_Layer::IsVisible() const
{
return IsHidden() ? false : true;
}
bool ON_Layer::IsVisible(const ON_3dmView* view) const
{
if (nullptr == view)
return IsVisible();
if (view->m_view_type == ON::view_type::model_view_type)
return ModelIsVisible();
return PerViewportIsVisible(view->m_vp.ViewportId());
}
void ON_Layer::SetVisible( bool bVisible )
{
SetHiddenModelComponentState( bVisible ? false : true );
bVisible = (false == IsHidden());
if ( ParentIdIsNil() )
UnsetPersistentVisibility();
else if ( bVisible )
{
// When a parent layer is turned off, the m_bVisible value for
// every child layer layer is set to false. When a parent layer
// is turned on and the visible child setting is true, the
// child's m_bVisible value is set to true.
//
// This call ensures that if, at some point in the future, the
// parent layer is turned off and then turned back on, this
// layer will get turned back on as well.
SetPersistentVisibility(true);
}
}
void ON_Layer::SetLocked( bool bLocked )
{
SetLockedModelComponentState(bLocked);
bLocked = IsLocked();
if ( ParentIdIsNil() )
UnsetPersistentLocking();
else if ( !bLocked )
{
// When a parent layer is locked off, the m_bLocked value for
// every child layer layer is set to true. When a parent layer
// is unlocked on and the locked child setting is false, the
// child's m_bLocked value is set to false.
//
// This call ensures that if, at some point in the future, the
// parent layer is locked and then unlocked, this layer will
// get unlocked on as well.
SetPersistentLocking(false);
}
}
bool ON_Layer::IsVisibleAndNotLocked() const
{
return (false == IsHidden() && false == IsLocked());
}
bool ON_Layer::IsVisibleAndLocked() const
{
return (false == IsHidden() && IsLocked());
}
bool ON_Layer::SetRenderMaterialIndex( int i )
{
if ( i != m_material_index )
IncrementContentVersionNumber();
m_material_index = i;
return true;
}
int ON_Layer::RenderMaterialIndex() const
{
return m_material_index;
}
bool ON_Layer::SetIgesLevel( int level )
{
m_iges_level = level;
return true;
}
int ON_Layer::IgesLevel() const
{
return m_iges_level;
}
double ON_Layer::PlotWeight() const
{
return m_plot_weight_mm;
}
void ON_Layer::SetPlotWeight(double plot_weight_mm)
{
m_plot_weight_mm = (ON_IsValid(plot_weight_mm) && (plot_weight_mm>0.0 || -1.0==plot_weight_mm) )
? plot_weight_mm
: 0.0;
}
////////////////////////////////////////////////////////////////
//
// BEGIN ON__LayerPerViewSettings class
//
class /*NEVER EXPORT THIS CLASS DEFINITION*/ ON__LayerPerViewSettings
{
#if !defined(ON_BOZO_VACCINE_3E4904E6E9304fbcAA42EBD407AEFE3B)
#error Never copy this class definition or put this definition in a header file!
#endif
public:
ON__LayerPerViewSettings();
void SetDefaultValues();
bool Write( const ON_Layer& layer, ON_BinaryArchive& binary_archive ) const;
bool Read( const ON_Layer& layer, ON_BinaryArchive& binary_archive);
ON__UINT32 DataCRC(ON__UINT32 current_remainder) const;
ON_UUID m_viewport_id; // id of the viewport with custom layer settings
// if this id is nil, then the rest of the settings
// in this class are meaningless.
ON_Color m_color; // ON_UNSET_COLOR means use ON_Layer::m_color
ON_Color m_plot_color; // ON_UNSET_COLOR means use ON_Layer::m_plot_color
double m_plot_weight_mm; // ON_UNSET_VALUE means use ON_Layer::m_plot_weight_mm
unsigned char m_visible; // 0 means use ON_Layer::m_bVisible
// 1 = visible in viewport
// 2 = off in viewport
unsigned char m_persistent_visibility; // 0 = unset, 1 = visible, 2 = not visible
static
int Compare(
const ON__LayerPerViewSettings* a,
const ON__LayerPerViewSettings* b
);
/*
Returns:
A bitfield that sets the bits if a layer setting is
per viewport for the specified for the viewport.
The ON_Layer::PER_VIEWPORT_SETTINGS enum values
which bits correspond to which settings.
Remarks:
If m_viewport_id is nil, this function returns 0.
*/
unsigned int SettingsMask() const;
/*
Description:
Copy specified settings from src to this class.
Parameters:
src - [in]
settings to copy
settings_mask - [in]
a bitfield that specifies which settings to copy. The bits
are defined in the ON_Layer::PER_VIEWPORT_SETTINGS enum.
*/
void CopySettings(
const ON__LayerPerViewSettings* src,
unsigned int settings_mask
);
};
ON__UINT32 ON__LayerPerViewSettings::DataCRC(ON__UINT32 current_remainder) const
{
const unsigned int settings_mask = SettingsMask();
if ( 0 != settings_mask )
{
if ( 0 != (settings_mask & ON_Layer::per_viewport_id) )
current_remainder = ON_CRC32(current_remainder,sizeof(m_viewport_id),&m_viewport_id);
if ( 0 != (settings_mask & ON_Layer::per_viewport_color) )
current_remainder = ON_CRC32(current_remainder,sizeof(m_color),&m_color);
if ( 0 != (settings_mask & ON_Layer::per_viewport_plot_color) )
current_remainder = ON_CRC32(current_remainder,sizeof(m_plot_color),&m_plot_color);
if ( 0 != (settings_mask & ON_Layer::per_viewport_plot_weight) )
current_remainder = ON_CRC32(current_remainder,sizeof(m_plot_weight_mm),&m_plot_weight_mm);
if ( 0 != (settings_mask & ON_Layer::per_viewport_visible) )
current_remainder = ON_CRC32(current_remainder,sizeof(m_visible),&m_visible);
if ( 0 != (settings_mask & ON_Layer::per_viewport_persistent_visibility) )
current_remainder = ON_CRC32(current_remainder,sizeof(m_persistent_visibility),&m_persistent_visibility);
}
return current_remainder;
}
void ON__LayerPerViewSettings::CopySettings( const ON__LayerPerViewSettings* src, unsigned int settings_mask )
{
if ( 0 != src && this != src && 0 != settings_mask )
{
if ( 0 != (settings_mask & ON_Layer::per_viewport_id) )
m_viewport_id = src->m_viewport_id;
if ( 0 != (settings_mask & ON_Layer::per_viewport_color) )
m_color = src->m_color;
if ( 0 != (settings_mask & ON_Layer::per_viewport_plot_color) )
m_plot_color = src->m_plot_color;
if ( 0 != (settings_mask & ON_Layer::per_viewport_plot_weight) )
m_plot_weight_mm = src->m_plot_weight_mm;
if ( 0 != (settings_mask & ON_Layer::per_viewport_visible) )
m_visible = src->m_visible;
if ( 0 != (settings_mask & ON_Layer::per_viewport_persistent_visibility) )
m_persistent_visibility = src->m_persistent_visibility;
}
}
int ON__LayerPerViewSettings::Compare( const ON__LayerPerViewSettings* a, const ON__LayerPerViewSettings* b )
{
int rc = ON_UuidCompare(a->m_viewport_id,b->m_viewport_id);
if ( 0 == rc )
{
unsigned int abits = a->SettingsMask();
unsigned int bbits = b->SettingsMask();
rc = ((int)abits) - ((int)bbits);
if ( 0 == rc )
{
if ( 0 != (ON_Layer::per_viewport_visible & abits) )
{
rc = ((int)a->m_visible) - ((int)b->m_visible);
}
if ( 0 == rc && 0 != (ON_Layer::per_viewport_persistent_visibility & abits) )
{
rc = ((int)a->m_persistent_visibility) - ((int)b->m_persistent_visibility);
}
if ( 0 == rc && 0 != (ON_Layer::per_viewport_color & abits) )
{
rc = ((int)a->m_color) - ((int)b->m_color);
}
if ( 0 == rc && 0 != (ON_Layer::per_viewport_plot_color & abits) )
{
rc = ((int)a->m_plot_color) - ((int)b->m_plot_color);
}
if ( 0 == rc && 0 != (ON_Layer::per_viewport_plot_weight & abits) )
{
if ( a->m_plot_weight_mm < b->m_plot_weight_mm )
rc = -1;
else if ( a->m_plot_weight_mm > b->m_plot_weight_mm )
rc = 1;
}
}
}
return rc;
}
unsigned int ON__LayerPerViewSettings::SettingsMask() const
{
// It is critical that this function returns
// zero when m_viewport_id = nil and returns
// zero when no layer properties are overridden
// for the specified viewport.
unsigned int bits = 0;
if ( !ON_UuidIsNil(m_viewport_id) )
{
if ( ON_UNSET_COLOR != m_color )
bits |= ON_Layer::per_viewport_color;
if ( ON_UNSET_COLOR != m_plot_color )
bits |= ON_Layer::per_viewport_plot_color;
if ( (m_plot_weight_mm >= 0.0 || -1.0 == m_plot_weight_mm) && ON_IsValid(m_plot_weight_mm) )
bits |= ON_Layer::per_viewport_plot_weight;
if ( 1 == m_visible || 2 == m_visible )
bits |= ON_Layer::per_viewport_visible;
if ( 1 == m_persistent_visibility || 2 == m_persistent_visibility )
bits |= ON_Layer::per_viewport_persistent_visibility;
// It is critical that bit "1" is set only if
// some layer property is overridden. That's
// why the 0 != bits test is here.
if ( 0 != bits )
bits |= ON_Layer::per_viewport_id;
}
return bits;
}
ON__LayerPerViewSettings::ON__LayerPerViewSettings()
{
SetDefaultValues();
}
void ON__LayerPerViewSettings::SetDefaultValues()
{
memset(this,0,sizeof(*this));
m_color = ON_UNSET_COLOR;
m_plot_color = ON_UNSET_COLOR;
m_plot_weight_mm = ON_UNSET_VALUE;
}
bool ON__LayerPerViewSettings::Write(const ON_Layer& layer, ON_BinaryArchive& binary_archive) const
{
if ( !binary_archive.BeginWrite3dmChunk(TCODE_ANONYMOUS_CHUNK,1,2) )
return false;
bool rcc = false;
for(;;)
{
// This complicated "bits" stuff is to minimize number of bytes
// written in the file. Even though long term storage space is
// nearly free, we have lots of customers who complain about
// large file size and so ...
unsigned int bits = SettingsMask();
if ( !binary_archive.WriteInt(1,&bits) )
break;
if ( 0 == bits )
{
rcc = true;
break; // all settings are defaults or viewport_id is nil
}
if ( !binary_archive.WriteUuid(m_viewport_id) )
break;
if ( 0 != (ON_Layer::per_viewport_color & bits) )
{
if ( !binary_archive.WriteColor(m_color) )
break;
}
if ( 0 != (ON_Layer::per_viewport_plot_color & bits) )
{
if ( !binary_archive.WriteColor(m_plot_color) )
break;
}
if ( 0 != (ON_Layer::per_viewport_plot_weight & bits) )
{
if ( !binary_archive.WriteDouble(m_plot_weight_mm) )
break;
}
if ( 0 != (ON_Layer::per_viewport_visible & bits) )
{
if ( !binary_archive.WriteChar(m_visible) )
break;
// version 1.1 addition
if ( !binary_archive.WriteChar(m_visible) ) // (makes old a file old rhinos can read)
break;
}
// 1.2 addition
if ( 0 != (ON_Layer::per_viewport_persistent_visibility & bits) )
{
if ( !binary_archive.WriteChar(m_persistent_visibility) )
break;
}
rcc = true;
break;
}
if ( !binary_archive.EndWrite3dmChunk() )
rcc = false;
return rcc;
}
bool ON__LayerPerViewSettings::Read(const ON_Layer& layer, ON_BinaryArchive& binary_archive)
{
SetDefaultValues();
int major_version = 0;
int minor_version = 0;
if ( !binary_archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version) )
return false;
bool rc = false;
for(;;)
{
if (1 != major_version)
break;
// This complicated "bits" stuff is to minimize number of bytes
// written in the file. Even though long term storage space is
// nearly free, we have lots of customers who complain about
// large file size and so ...
unsigned int bits = 0;
if ( !binary_archive.ReadInt(1,&bits) )
break;
if ( 0 == bits )
{
rc = true;
break;
}
if ( !binary_archive.ReadUuid(m_viewport_id) )
break;
if ( 0 != (ON_Layer::per_viewport_color & bits) )
{
if ( !binary_archive.ReadColor(m_color) )
break;
}
if ( 0 != (ON_Layer::per_viewport_plot_color & bits) )
{
if ( !binary_archive.ReadColor(m_plot_color) )
break;
}
if ( 0 != (ON_Layer::per_viewport_plot_weight & bits) )
{
if ( !binary_archive.ReadDouble(&m_plot_weight_mm) )
break;
}
if ( 0 != (ON_Layer::per_viewport_visible & bits) )
{
if ( !binary_archive.ReadChar(&m_visible) )
break;
if ( minor_version >= 1 )
{
// for reading older Rhino files
// Yes, writing m_visible and reading m_persistent_visibility is done on purpose.
if ( !binary_archive.ReadChar(&m_persistent_visibility) )
break;
}
}
if ( minor_version >= 2 )
{
if ( 0 != (ON_Layer::per_viewport_persistent_visibility & bits) )
{
if ( !binary_archive.ReadChar(&m_persistent_visibility) )
break;
}
}
if ( layer.ParentIdIsNil() )
m_persistent_visibility = 0;
rc = true;
break;
}
if ( !binary_archive.EndRead3dmChunk() )
rc = false;
return rc;
}
//
//
// END ON__LayerPerViewSettings class
//
////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////
//
// BEGIN ON__LayerExtensions user data class
//
class /*NEVER EXPORT THIS CLASS DEFINITION*/ ON__LayerExtensions : public ON_UserData
{
#if !defined(ON_BOZO_VACCINE_3E4904E6E9304fbcAA42EBD407AEFE3B)
#error Never copy this class definition or put this definition in a header file!
#endif
ON_OBJECT_DECLARE(ON__LayerExtensions);
public:
ON__LayerExtensions();
~ON__LayerExtensions();
// default copy constructor and operator= work fine.
public:
// virtual ON_Object override
bool IsValid( class ON_TextLog* text_log = nullptr ) const override;
// virtual ON_Object override
unsigned int SizeOf() const override;
// virtual ON_Object override
ON__UINT32 DataCRC(ON__UINT32 current_remainder) const override;
// virtual ON_Object override
bool Write(ON_BinaryArchive& binary_archive) const override;
// virtual ON_Object override
bool Read(ON_BinaryArchive& binary_archive) override;
// virtual ON_UserData override
bool Archive() const override;
// virtual ON_UserData override
bool GetDescription( ON_wString& description ) override;
public:
bool IsEmpty() const;
static
ON__LayerPerViewSettings* ViewportSettings(
const ON_Layer& layer, const unsigned char* layer_m_extension_bits,
ON_UUID viewport_id,
bool bCreate
);
static
void DeleteViewportSettings(
const ON_Layer& layer, const unsigned char* layer_m_extension_bits,
const ON__LayerPerViewSettings* vp_settings_to_delete
);
static
ON__LayerExtensions* LayerExtensions(
const ON_Layer& layer, const unsigned char* layer_m_extension_bits,
bool bCreate
);
// per viewport overrides of color, linetype, plot color, plot weight, and visibility
ON_SimpleArray<ON__LayerPerViewSettings> m_vp_settings;
};
#undef ON_BOZO_VACCINE_3E4904E6E9304fbcAA42EBD407AEFE3B
ON_OBJECT_IMPLEMENT(ON__LayerExtensions,ON_UserData,"3E4904E6-E930-4fbc-AA42-EBD407AEFE3B");
ON__LayerExtensions* ON__LayerExtensions::LayerExtensions(const ON_Layer& layer, const unsigned char* layer_m_extension_bits, bool bCreate)
{
ON__LayerExtensions* ud = ON__LayerExtensions::Cast(layer.GetUserData(ON_CLASS_ID(ON__LayerExtensions)));
if ( 0 == ud )
{
if ( bCreate )
{
ud = new ON__LayerExtensions();
const_cast<ON_Layer&>(layer).AttachUserData(ud);
// Clear 0x01 bit of ON_Layer::m_extension_bits so
// ON_Layer visibility and color queries will check
// for ON__LayerExtensions userdata.
ClearExtensionBit( const_cast<unsigned char*>(layer_m_extension_bits), 0x01 );
}
else
{
// Set 0x01 bit of ON_Layer::m_extension_bits so
// ON_Layer visibility and color queries will not
// perform the expensive check for ON__LayerExtensions
// userdata. This speeds up visibility and color queries
// that occur millions of times when complicated models
// are rendered.
SetExtensionBit( const_cast<unsigned char*>(layer_m_extension_bits), 0x01 );
}
}
else
{
// Clear 0x01 bit of ON_Layer::m_extension_bits so
// ON_Layer visibility and color queries will check
// for ON__LayerExtensions userdata.
ClearExtensionBit( const_cast<unsigned char*>(layer_m_extension_bits), 0x01 );
}
return ud;
}
ON__LayerExtensions::ON__LayerExtensions()
{
m_userdata_uuid = ON_CLASS_ID(ON__LayerExtensions);
m_application_uuid = ON_opennurbs5_id;
m_userdata_copycount = 1;
}
ON__LayerExtensions::~ON__LayerExtensions()
{
}
// virtual ON_Object override
bool ON__LayerExtensions::IsValid( ON_TextLog* text_log ) const
{
return true;
}
// virtual ON_Object override
unsigned int ON__LayerExtensions::SizeOf() const
{
size_t sz = sizeof(*this) - sizeof(ON_UserData);
sz += m_vp_settings.SizeOfArray();
return (unsigned int)sz;
}
// virtual ON_Object override
ON__UINT32 ON__LayerExtensions::DataCRC(ON__UINT32 current_remainder) const
{
ON__UINT32 crc = 0;
crc = m_vp_settings.DataCRC(crc);
return crc;
}
// virtual ON_Object override
bool ON__LayerExtensions::Write(ON_BinaryArchive& binary_archive) const
{
bool rc = binary_archive.BeginWrite3dmChunk(TCODE_ANONYMOUS_CHUNK,1,0);
if ( !rc )
return false;
for(;;)
{
const ON_Layer* layer = ON_Layer::Cast( Owner() );
if ( 0 == layer )
break;
int count = m_vp_settings.Count();
rc = binary_archive.WriteInt(count);
if ( !rc ) break;
for ( int i = 0; i < count && rc; i++ )
{
rc = m_vp_settings[i].Write( *layer, binary_archive );
}
if (!rc) break;
break;
}
if ( !binary_archive.EndWrite3dmChunk() )
rc = false;
return rc;
}
// virtual ON_Object override
bool ON__LayerExtensions::Read(ON_BinaryArchive& binary_archive)
{
m_vp_settings.SetCount(0);
int major_version = 0;
int minor_version = 0;
bool rc = binary_archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
if ( !rc )
return false;
for(;;)
{
const ON_Layer* layer = ON_Layer::Cast( Owner() );
rc = ( 0 != layer );
if (!rc) break;
rc = (1 == major_version);
if (!rc) break;
int count = 0;
rc = binary_archive.ReadInt(&count);
if ( !rc ) break;
m_vp_settings.Reserve(count);
for ( int i = 0; i < count; i++ )
{
rc = m_vp_settings.AppendNew().Read(*layer,binary_archive);
if (!rc)
{
m_vp_settings.Remove();
break;
}
if ( 0 == m_vp_settings.Last()->SettingsMask() )
m_vp_settings.Remove();
}
// to make ON_Layer::PerViewportSettingsCRC() return
// equal values for equal settings, it is critical
// that m_vp_settings[] be sorted.
m_vp_settings.QuickSort(ON__LayerPerViewSettings::Compare);
if (!rc) break;
break;
}
if ( !binary_archive.EndRead3dmChunk() )
rc = false;
return rc;
}
// virtual ON_UserData override
bool ON__LayerExtensions::Archive() const
{
return !IsEmpty();
}
// virtual ON_UserData override
bool ON__LayerExtensions::GetDescription( ON_wString& description )
{
description = L"Layer Extensions";
return true;
}
ON__LayerPerViewSettings* ON__LayerExtensions::ViewportSettings(
const ON_Layer& layer,
const unsigned char* layer_m_extension_bits,
ON_UUID viewport_id,
bool bCreate
)
{
if ( !ON_UuidIsNil(viewport_id) )
{
ON__LayerExtensions* ud = ON__LayerExtensions::LayerExtensions(layer,layer_m_extension_bits,bCreate);
if ( ud )
{
int i;
const int vp_settings_count = ud->m_vp_settings.Count();
ON__LayerPerViewSettings* vp_settings = ud->m_vp_settings.Array();
for ( i = 0; i < vp_settings_count; i++ )
{
if ( 0 == memcmp(&viewport_id,&vp_settings[i].m_viewport_id,sizeof(ON_UUID)) )
return (vp_settings+i);
}
if ( bCreate )
{
ON__LayerPerViewSettings& new_vp_settings = ud->m_vp_settings.AppendNew();
vp_settings = ud->m_vp_settings.Array(); // appending can grow the array
new_vp_settings.SetDefaultValues();
new_vp_settings.m_viewport_id = viewport_id;
// to make ON_Layer::PerViewportSettingsCRC() return
// equal values for equal settings, it is critical
// that m_vp_settings[] be sorted.
ud->m_vp_settings.QuickSort(ON__LayerPerViewSettings::Compare);
for ( i = 0; i <= vp_settings_count; i++ ) // "i <= ..." is correct because of the .AppendNew()
{
if ( 0 == memcmp(&viewport_id,&vp_settings[i].m_viewport_id,sizeof(ON_UUID)) )
return (vp_settings+i);
}
}
}
}
return 0;
}
void ON__LayerExtensions::DeleteViewportSettings(
const ON_Layer& layer,
const unsigned char* layer_m_extension_bits,
const ON__LayerPerViewSettings* vp_settings_to_delete
)
{
ON__LayerExtensions* ud = ON__LayerExtensions::LayerExtensions(layer,layer_m_extension_bits,false);
if ( ud )
{
if ( 0 == vp_settings_to_delete )
{
delete ud;
// Set bit 0x01 of ON_Layer::m_extension_bits to prevent
// ON_Layer visibility and color queries from wasting
// time looking for userdata.
SetExtensionBit( const_cast<unsigned char*>(layer_m_extension_bits), 0x01 );
}
else
{
const size_t vp_settings_count = ud->m_vp_settings.Count();
if ( vp_settings_count > 0 )
{
const ON__LayerPerViewSettings* vp_settings0 = ud->m_vp_settings.Array();
if ( vp_settings0 <= vp_settings_to_delete )
{
int i = (int)(vp_settings_to_delete-vp_settings0);
ud->m_vp_settings.Remove(i);
}
}
if ( ud->IsEmpty() )
{
delete ud;
// Set bit 0x01 of ON_Layer::m_extension_bits to prevent
// ON_Layer visibility and color queries from wasting
// time looking for userdata.
SetExtensionBit( const_cast<unsigned char*>(layer_m_extension_bits), 0x01 );
}
}
}
}
bool ON__LayerExtensions::IsEmpty() const
{
const int count = m_vp_settings.Count();
for ( int i = 0; i < count; i++ )
if ( 0 != m_vp_settings[i].SettingsMask() )
return false;
return true; // nothing of value in this user data
}
//
// END ON__LayerExtensions user data class
//
////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////
//
// BEGIN ON_Layer per viewport interface functions
//
void ON_Layer::SetPerViewportColor( ON_UUID viewport_id, ON_Color layer_color )
{
if ( ON_UuidIsNil(viewport_id) )
{
DeletePerViewportColor(viewport_id);
if ( ON_Color::UnsetColor != layer_color )
m_color = layer_color;
}
else
{
bool bSet = ( layer_color != ON_UNSET_COLOR );
ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, bSet );
if ( vp_settings )
{
vp_settings->m_color = layer_color;
if ( !bSet && 0 == vp_settings->SettingsMask() )
ON__LayerExtensions::DeleteViewportSettings(*this, &m_extension_bits, vp_settings);
}
}
}
//void ON_Layer::SetColor( ON_Color layer_color, const ON_UUID& viewport_id )
//{
// SetPerViewportColor( viewport_id, layer_color );
//}
ON_Color ON_Layer::PerViewportColor( ON_UUID viewport_id ) const
{
if ( !ExtensionBit(m_extension_bits,0x01) )
{
const ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, false );
if ( 0 != vp_settings && ON_UNSET_COLOR != vp_settings->m_color )
return vp_settings->m_color;
}
return m_color;
}
//ON_Color ON_Layer::Color( const ON_UUID& viewport_id ) const
//{
// return PerViewportColor( viewport_id );
//}
void ON_Layer::SetPerViewportPlotColor( ON_UUID viewport_id, ON_Color plot_color )
{
if ( ON_UuidIsNil(viewport_id) )
{
DeletePerViewportPlotColor(viewport_id);
SetPlotColor(plot_color);
}
else
{
bool bSet = ( plot_color != ON_UNSET_COLOR );
ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, bSet );
if ( vp_settings )
{
vp_settings->m_plot_color = plot_color;
if ( !bSet && 0 == vp_settings->SettingsMask() )
ON__LayerExtensions::DeleteViewportSettings(*this, &m_extension_bits,vp_settings);
}
}
}
//void ON_Layer::SetPlotColor( ON_Color plot_color, const ON_UUID& viewport_id )
//{
// return SetPerViewportPlotColor( viewport_id, plot_color );
//}
ON_Color ON_Layer::PerViewportPlotColor( ON_UUID viewport_id ) const
{
if ( !ExtensionBit(m_extension_bits,0x01) )
{
const ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, false );
if ( 0 != vp_settings && vp_settings->m_plot_color != ON_UNSET_COLOR )
return vp_settings->m_plot_color;
}
// no per viewport settings
// 2-Nov-2009 Dale Fugier, modified to call default PlotColor()
return PlotColor();
}
void ON_Layer::SetPerViewportPlotWeight( ON_UUID viewport_id, double plot_weight_mm )
{
if ( ON_UuidIsNil(viewport_id) )
{
DeletePerViewportPlotWeight(viewport_id);
SetPlotWeight(plot_weight_mm); // this call handles invalid plot weights
}
else
{
bool bSet = ( ON_IsValid(plot_weight_mm) && (plot_weight_mm>=0.0 || -1.0==plot_weight_mm) );
ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, bSet );
if ( vp_settings )
{
vp_settings->m_plot_weight_mm = (bSet) ? plot_weight_mm : ON_UNSET_VALUE;
if ( !bSet && 0 == vp_settings->SettingsMask() )
ON__LayerExtensions::DeleteViewportSettings(*this, &m_extension_bits, vp_settings);
}
}
}
double ON_Layer::PerViewportPlotWeight( ON_UUID viewport_id ) const
{
if ( !ExtensionBit(m_extension_bits,0x01) )
{
const ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, false );
if ( 0 != vp_settings && (vp_settings->m_plot_weight_mm >= 0.0 || -1.0 == vp_settings->m_plot_weight_mm) )
return vp_settings->m_plot_weight_mm;
}
return PlotWeight();
}
// {5CCA6037-AFC7-4204-9548-EC32CD7177D6}
static const ON_UUID ON_model_viewport_id = { 0x5cca6037, 0xafc7, 0x4204, { 0x95, 0x48, 0xec, 0x32, 0xcd, 0x71, 0x77, 0xd6 } };
bool ON_Layer::ModelIsVisible() const
{
return PerViewportIsVisible(ON_model_viewport_id);
}
void ON_Layer::SetModelVisible(bool bVisible)
{
SetPerViewportVisible(ON_model_viewport_id, bVisible);
}
bool ON_Layer::ModelPersistentVisibility() const
{
return PerViewportPersistentVisibility(ON_model_viewport_id);
}
void ON_Layer::SetModelPersistentVisibility(bool bPersistentVisibility)
{
SetPerViewportPersistentVisibility(ON_model_viewport_id, bPersistentVisibility);
}
void ON_Layer::UnsetModelPersistentVisibility()
{
UnsetPerViewportPersistentVisibility(ON_model_viewport_id);
}
void ON_Layer::DeleteModelVisible()
{
DeletePerViewportVisible(ON_model_viewport_id);
}
bool ON_Layer::PerViewportIsVisible( ON_UUID viewport_id ) const
{
if ( false == ExtensionBit(m_extension_bits,0x01) && ON_nil_uuid != viewport_id )
{
const ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, false );
if (vp_settings)
{
if ( 1 == vp_settings->m_visible )
return true; // per viewport ON setting overrides layer setting
if ( 2 == vp_settings->m_visible )
return false; // per viewport OFF setting overrides layer setting
}
}
return IsVisible(); // use layer setting
}
void ON_Layer::SetPerViewportVisible( ON_UUID viewport_id, bool bVisible )
{
if ( ON_UuidIsNil(viewport_id) )
{
// remove per view visible settings
DeletePerViewportVisible(viewport_id);
// set general visibility setting
SetVisible(bVisible);
}
else
{
ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, true );
if (vp_settings)
{
vp_settings->m_visible = (bVisible)
? 1 // layer is on in this viewport
: 2; // layer is off in this viewport
if ( ParentIdIsNil() )
vp_settings->m_persistent_visibility = 0;
else if ( bVisible )
vp_settings->m_persistent_visibility = 1;
}
}
}
bool ON_Layer::PerViewportPersistentVisibility( ON_UUID viewport_id ) const
{
// added to fix bug 82587
if ( !ExtensionBit(m_extension_bits,0x01) && ON_UuidIsNotNil(viewport_id) )
{
ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, false );
if ( 0 != vp_settings )
{
if ( 1 == vp_settings->m_visible )
return true;
if ( ParentIdIsNotNil() )
{
if ( 1 == vp_settings->m_persistent_visibility )
return true;
if ( 2 == vp_settings->m_persistent_visibility )
return false;
}
if ( 2 == vp_settings->m_visible )
return false;
}
}
return PersistentVisibility();
}
void ON_Layer::SetPerViewportPersistentVisibility( ON_UUID viewport_id, bool bVisibleChild )
{
// added to fix bug 82587
if ( ON_UuidIsNotNil(viewport_id) )
{
bool bCreate = false; // This "false" is correct because the per viewport visibility
// setting needs to be in existence for this call to make any
// sense in the first place.
ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, bCreate );
if (vp_settings )
vp_settings->m_persistent_visibility = bVisibleChild ? 1 : 2;
}
}
void ON_Layer::UnsetPerViewportPersistentVisibility( ON_UUID viewport_id )
{
// added to fix bug 82587
if ( ON_UuidIsNil(viewport_id) )
{
ON__LayerExtensions* ud = ON__LayerExtensions::LayerExtensions( *this, &m_extension_bits, false );
if ( 0 != ud )
{
for ( int i = 0; i < ud->m_vp_settings.Count(); i++ )
{
ud->m_vp_settings[i].m_persistent_visibility = 0;
}
}
}
else
{
bool bCreate = false; // This "false" is correct because the per viewport visibility
// setting needs to be in existence for this call to make any
// sense in the first place.
ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, bCreate );
if (vp_settings )
vp_settings->m_persistent_visibility = 0;
}
}
void ON_Layer::DeletePerViewportColor( const ON_UUID& viewport_id )
{
if ( ON_UuidIsNil(viewport_id) )
{
ON__LayerExtensions* ud = ON__LayerExtensions::LayerExtensions(*this,&m_extension_bits,false);
if ( 0 != ud )
{
for ( int i = ud->m_vp_settings.Count(); i--; /*empty iterator*/ )
{
ud->m_vp_settings[i].m_color = ON_Color::UnsetColor;
if ( 0 == ud->m_vp_settings[i].SettingsMask() )
ud->m_vp_settings.Remove(i);
}
if ( ud->IsEmpty() )
{
ON__LayerExtensions::DeleteViewportSettings( *this, &m_extension_bits, 0 );
ud = 0;
}
}
}
else
{
ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, false );
if (vp_settings)
{
vp_settings->m_color = ON_Color::UnsetColor;
if ( 0 == vp_settings->SettingsMask() )
ON__LayerExtensions::DeleteViewportSettings(*this,&m_extension_bits,vp_settings);
}
}
}
void ON_Layer::DeletePerViewportPlotColor( const ON_UUID& viewport_id )
{
if ( ON_UuidIsNil(viewport_id) )
{
ON__LayerExtensions* ud = ON__LayerExtensions::LayerExtensions(*this,&m_extension_bits,false);
if ( 0 != ud )
{
for ( int i = ud->m_vp_settings.Count(); i--; /*empty iterator*/ )
{
ud->m_vp_settings[i].m_plot_color = ON_UNSET_COLOR;
if ( 0 == ud->m_vp_settings[i].SettingsMask() )
ud->m_vp_settings.Remove(i);
}
if ( ud->IsEmpty() )
{
ON__LayerExtensions::DeleteViewportSettings( *this, &m_extension_bits, 0 );
ud = 0;
}
}
}
else
{
ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, false );
if (vp_settings)
{
vp_settings->m_plot_color = ON_UNSET_COLOR;
if ( 0 == vp_settings->SettingsMask() )
ON__LayerExtensions::DeleteViewportSettings(*this,&m_extension_bits,vp_settings);
}
}
}
int ON_Layer::UpdateViewportIds( const ON_UuidPairList& viewport_id_map )
{
if ( viewport_id_map.Count() <= 0 )
return 0;
ON__LayerExtensions* ud = ON__LayerExtensions::LayerExtensions(*this,&m_extension_bits,false);
if ( 0 == ud )
return 0;
int rc = 0;
ON_UUID new_id;
for ( int i = 0; i < ud->m_vp_settings.Count(); i++ )
{
ON__LayerPerViewSettings& s = ud->m_vp_settings[i];
if ( viewport_id_map.FindId1(s.m_viewport_id,&new_id) && s.m_viewport_id != new_id )
{
s.m_viewport_id = new_id;
rc++;
}
}
return rc;
}
void ON_Layer::DeletePerViewportPlotWeight( const ON_UUID& viewport_id )
{
if ( ON_UuidIsNil(viewport_id) )
{
ON__LayerExtensions* ud = ON__LayerExtensions::LayerExtensions(*this,&m_extension_bits,false);
if ( 0 != ud )
{
for ( int i = ud->m_vp_settings.Count(); i--; /*empty iterator*/ )
{
ud->m_vp_settings[i].m_plot_weight_mm = ON_UNSET_VALUE;
if ( 0 == ud->m_vp_settings[i].SettingsMask() )
ud->m_vp_settings.Remove(i);
}
if ( ud->IsEmpty() )
{
ON__LayerExtensions::DeleteViewportSettings( *this, &m_extension_bits, 0 );
ud = 0;
}
}
}
else
{
ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, false );
if (vp_settings)
{
vp_settings->m_plot_weight_mm = ON_UNSET_VALUE;
if ( 0 == vp_settings->SettingsMask() )
ON__LayerExtensions::DeleteViewportSettings(*this,&m_extension_bits,vp_settings);
}
}
}
void ON_Layer::DeletePerViewportVisible( const ON_UUID& viewport_id )
{
if ( ON_UuidIsNil(viewport_id) )
{
ON__LayerExtensions* ud = ON__LayerExtensions::LayerExtensions(*this,&m_extension_bits,false);
if ( 0 != ud )
{
for ( int i = ud->m_vp_settings.Count(); i--; /*empty iterator*/ )
{
ud->m_vp_settings[i].m_visible = 0;
ud->m_vp_settings[i].m_persistent_visibility = 0;
if ( 0 == ud->m_vp_settings[i].SettingsMask() )
ud->m_vp_settings.Remove(i);
}
if ( ud->IsEmpty() )
{
ON__LayerExtensions::DeleteViewportSettings( *this, &m_extension_bits, 0 );
ud = 0;
}
}
}
else
{
ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, false );
if (vp_settings)
{
vp_settings->m_visible = 0;
vp_settings->m_persistent_visibility = 0;
if ( 0 == vp_settings->SettingsMask() )
ON__LayerExtensions::DeleteViewportSettings(*this,&m_extension_bits,vp_settings);
}
}
}
void ON_Layer::GetPerViewportVisibilityViewportIds(
ON_SimpleArray<ON_UUID>& viewport_id_list
) const
{
viewport_id_list.SetCount(0);
const ON__LayerExtensions* ud = ON__LayerExtensions::LayerExtensions(*this,&m_extension_bits,false);
if ( 0 != ud )
{
const int count = ud->m_vp_settings.Count();
if ( count > 0 )
{
viewport_id_list.Reserve(count);
for( int i = 0; i < count; i++ )
{
const ON__LayerPerViewSettings& s = ud->m_vp_settings[i];
if ( 0 != ( ON_Layer::per_viewport_visible & s.SettingsMask() )
|| 0 != ( ON_Layer::per_viewport_persistent_visibility & s.SettingsMask() )
)
{
viewport_id_list.Append(s.m_viewport_id);
}
}
}
}
}
bool ON_Layer::HasPerViewportSettings( const ON_UUID& viewport_id ) const
{
return HasPerViewportSettings( viewport_id, 0xFFFFFFFF );
}
bool ON_Layer::HasPerViewportSettings(
ON_UUID viewport_id,
unsigned int settings_mask
) const
{
if ( 0 != settings_mask )
{
if ( ON_UuidIsNil(viewport_id) )
{
const ON__LayerExtensions* ud = ON__LayerExtensions::LayerExtensions(*this,&m_extension_bits,false);
if ( 0 != ud )
{
const int count = ud->m_vp_settings.Count();
for ( int i = 0; i < count; i++ )
{
const ON__LayerPerViewSettings& s = ud->m_vp_settings[i];
if ( 0 != (settings_mask & s.SettingsMask()) )
return true;
}
}
}
else
{
const ON__LayerPerViewSettings* pvs = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, false );
if ( 0 != pvs && 0 != (settings_mask & pvs->SettingsMask() ) )
return true;
}
}
return false;
}
bool ON_Layer::CopyPerViewportSettings(ON_UUID source_viewport_id, ON_UUID destination_viewport_id)
{
bool rc = false;
if ( ON_UuidIsNotNil(source_viewport_id)
&& ON_UuidIsNotNil(destination_viewport_id)
&& 0 != ON_UuidCompare(source_viewport_id, destination_viewport_id)
)
{
const ON__LayerPerViewSettings* src = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, source_viewport_id, false );
if( 0 != src )
{
// Make a local copy of the source settings because
// the pointer to the source settings may be invalid
// after adding storage for the destination settings.
const ON__LayerPerViewSettings local_src(*src);
src = 0; // never use this pointer again in this function.
ON__LayerPerViewSettings* dst = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, destination_viewport_id, true);
if( 0 != dst )
{
*dst = local_src;
dst->m_viewport_id = destination_viewport_id;
rc = true;
}
}
}
return rc;
}
bool ON_Layer::CopyPerViewportSettings(
const ON_Layer& source_layer,
ON_UUID viewport_id,
unsigned int settings_mask
)
{
bool rc = false;
if ( 0 != settings_mask && this != &source_layer )
{
if ( ON_UuidIsNil(viewport_id) )
{
// copy per viewport settings for every viewport
const ON__LayerExtensions* soruce_layer_ud = ON__LayerExtensions::LayerExtensions(source_layer,&source_layer.m_extension_bits,false);
if ( 0 != soruce_layer_ud )
{
const int count = soruce_layer_ud->m_vp_settings.Count();
for ( int i = 0; i < count; i++ )
{
const ON__LayerPerViewSettings& src = soruce_layer_ud->m_vp_settings[i];
ON__LayerPerViewSettings* dst = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, src.m_viewport_id, true);
if ( 0 != dst )
{
dst->CopySettings(&src,settings_mask);
rc = true;
}
}
}
}
else
{
// copy per viewport settings for a specified viewport.
const ON__LayerPerViewSettings* src = ON__LayerExtensions::ViewportSettings( source_layer, &source_layer.m_extension_bits, viewport_id, false);
if ( 0 != src )
{
ON__LayerPerViewSettings* dst = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, true);
if ( 0 != dst )
{
dst->CopySettings(src,settings_mask);
rc = true;
}
}
}
}
return rc;
}
void ON_Layer::DeletePerViewportSettings( const ON_UUID& viewport_id ) const
{
if ( ON_UuidIsNil(viewport_id) )
{
ON__LayerExtensions::DeleteViewportSettings(*this,&m_extension_bits,0);
}
else
{
ON__LayerPerViewSettings* vp_settings = ON__LayerExtensions::ViewportSettings( *this, &m_extension_bits, viewport_id, false );
if ( vp_settings )
ON__LayerExtensions::DeleteViewportSettings(*this,&m_extension_bits,vp_settings);
}
}
void ON_Layer::CullPerViewportSettings( int viewport_id_count, const ON_UUID* viewport_id_list )
{
ON__LayerExtensions* ud = ON__LayerExtensions::LayerExtensions(*this,&m_extension_bits,false);
if ( 0 != ud )
{
if ( viewport_id_count <= 0 )
{
// delete all per viewport settings
ON__LayerExtensions::DeleteViewportSettings( *this, &m_extension_bits, 0 );
ud = 0;
}
else if ( viewport_id_count > 0 && 0 != viewport_id_list )
{
int i, j;
for ( i = ud->m_vp_settings.Count(); i--; /*empty iterator*/ )
{
const ON_UUID vp_id = ud->m_vp_settings[i].m_viewport_id;
for ( j = 0; j < viewport_id_count; j++ )
{
if ( 0 == memcmp(&viewport_id_list[i],&vp_id,sizeof(vp_id)) )
break;
}
if ( j >= viewport_id_count )
{
// ud->m_vp_settings[i].m_viewport_id is NOT in viewport_id_list[]
ud->m_vp_settings.Remove(i);
}
}
if ( ud->IsEmpty() )
{
// nothing useful in ud
ON__LayerExtensions::DeleteViewportSettings( *this, &m_extension_bits, 0 );
ud = 0;
}
}
}
}
ON__UINT32 ON_Layer::PerViewportSettingsCRC() const
{
ON__UINT32 crc = 0;
if ( !ExtensionBit(m_extension_bits,0x01) )
{
ON__LayerExtensions* ud = ON__LayerExtensions::LayerExtensions(*this,&m_extension_bits,false);
if ( 0 != ud )
{
for ( int i = 0; i < ud->m_vp_settings.Count(); i++ )
crc = ud->m_vp_settings[i].DataCRC(crc);
}
}
return crc;
}
//
// END ON_Layer per viewport interface functions
//
////////////////////////////////////////////////////////////////
bool ON_Layer::PersistentVisibility() const
{
if ( !IsVisible() && ParentIdIsNotNil() )
{
switch ( 0x06 & m_extension_bits )
{
case 0x02:
return true;
case 0x04:
return false;
}
}
return IsVisible();
}
void ON_Layer::SetPersistentVisibility(bool bVisibleChild)
{
const unsigned char and_mask = 0xF9;
const unsigned char or_bit = ParentIdIsNotNil()
? (bVisibleChild ? 0x02 : 0x04)
: 0x00;
m_extension_bits &= and_mask;
m_extension_bits |= or_bit;
}
void ON_Layer::UnsetPersistentVisibility()
{
const unsigned char and_mask = 0xF9;
m_extension_bits &= and_mask;
}
bool ON_Layer::PersistentLocking() const
{
if ( IsLocked() && ParentIdIsNotNil() )
{
switch ( 0x18 & m_extension_bits )
{
case 0x08:
return true;
case 0x10:
return false;
}
}
return IsLocked();
}
void ON_Layer::SetPersistentLocking(bool bLockedChild)
{
const unsigned char and_mask = 0xE7;
const unsigned char or_bit = ParentIdIsNotNil()
? (bLockedChild ? 0x08 : 0x10)
: 0x00;
m_extension_bits &= and_mask;
m_extension_bits |= or_bit;
}
void ON_Layer::UnsetPersistentLocking()
{
// a set bit means the child will be unlocked when the parent is unlocked
const unsigned char and_mask = 0xE7;
m_extension_bits &= and_mask;
}
void ON_Layer::SetCustomSectionStyle(const ON_SectionStyle& sectionStyle)
{
if (nullptr == m_private)
m_private = new ON_LayerPrivate();
m_private->m_custom_section_style.reset(new ON_SectionStyle(sectionStyle));
}
const ON_SectionStyle* ON_Layer::CustomSectionStyle(ON_SectionStyle* sectionStyle) const
{
const ON_SectionStyle* rc = nullptr;
if (m_private)
rc = m_private->m_custom_section_style.get();
if (sectionStyle && rc)
{
*sectionStyle = *rc;
}
return rc;
}
void ON_Layer::RemoveCustomSectionStyle()
{
if (m_private)
m_private->m_custom_section_style.reset();
}
bool ON_Layer::PerViewportIsVisibleInNewDetails() const
{
return m_private ? m_private->m_visible_in_new_details : DefaultLayerPrivate.m_visible_in_new_details;
}
void ON_Layer::SetPerViewportIsVisibleInNewDetails(bool bVisible)
{
if (PerViewportIsVisibleInNewDetails() == bVisible)
return;
if (nullptr == m_private)
m_private = new ON_LayerPrivate();
m_private->m_visible_in_new_details = bVisible;
}