vrml2_lineset.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016 Cirilo Bernardo <[email protected]>
 * Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
 
#include <iostream>
#include <sstream>
#include <wx/log.h>
 
#include "vrml2_base.h"
#include "vrml2_lineset.h"
#include "vrml2_coords.h"
#include "vrml2_color.h"
#include "plugins/3dapi/ifsg_all.h"
 
 
WRL2LINESET::WRL2LINESET() : WRL2NODE()
{
 setDefaults();
 m_Type = WRL2NODES::WRL2_INDEXEDLINESET;
}
 
 
WRL2LINESET::WRL2LINESET( WRL2NODE* aParent ) : WRL2NODE()
{
 setDefaults();
 m_Type = WRL2NODES::WRL2_INDEXEDLINESET;
 m_Parent = aParent;
 
 if( nullptr != m_Parent )
 m_Parent->AddChildNode( this );
}
 
 
WRL2LINESET::~WRL2LINESET()
{
 wxLogTrace( traceVrmlPlugin,
 wxT( " * [INFO] Destroying IndexedLineSet node with %zu children, %zu"
 "references, and %zu back pointers." ),
 m_Children.size(), m_Refs.size(), m_BackPointers.size() );
}
 
 
void WRL2LINESET::setDefaults( void )
{
 color = nullptr;
 coord = nullptr;
 colorPerVertex = true;
}
 
 
bool WRL2LINESET::checkNodeType( WRL2NODES aType )
{
 // nodes must be one of:
 // Color
 // Coordinate
 
 switch( aType )
 {
 case WRL2NODES::WRL2_COLOR:
 case WRL2NODES::WRL2_COORDINATE:
 break;
 
 default:
 return false;
 break;
 }
 
 return true;
}
 
 
bool WRL2LINESET::isDangling( void )
{
 // this node is dangling unless it has a parent of type WRL2_SHAPE
 
 if( nullptr == m_Parent || m_Parent->GetNodeType() != WRL2NODES::WRL2_SHAPE )
 return true;
 
 return false;
}
 
 
bool WRL2LINESET::AddRefNode( WRL2NODE* aNode )
{
 wxCHECK_MSG( aNode, false, wxT( "Invalid node." ) );
 
 WRL2NODES type = aNode->GetNodeType();
 
 if( !checkNodeType( type ) )
 {
 wxLogTrace( traceVrmlPlugin,
 wxT( "%s:%s:%d\n"
 " * [INFO] bad file format; unexpected child node '%s'." ),
 __FILE__, __FUNCTION__, __LINE__, aNode->GetNodeTypeName( type ) );
 
 return false;
 }
 
 if( WRL2NODES::WRL2_COLOR == type )
 {
 if( nullptr != color )
 {
 wxLogTrace( traceVrmlPlugin,
 wxT( "%s:%s:%d\n"
 " * [INFO] bad file format; multiple color nodes." ),
 __FILE__, __FUNCTION__, __LINE__ );
 
 return false;
 }
 
 color = aNode;
 return WRL2NODE::AddRefNode( aNode );
 }
 
 if( WRL2NODES::WRL2_COORDINATE == type )
 {
 if( nullptr != coord )
 {
 wxLogTrace( traceVrmlPlugin,
 wxT( "%s:%s:%d\n"
 " * [INFO] bad file format; multiple coord nodes." ),
 __FILE__, __FUNCTION__, __LINE__ );
 
 return false;
 }
 
 coord = aNode;
 return WRL2NODE::AddRefNode( aNode );
 }
 
 return WRL2NODE::AddRefNode( aNode );
}
 
 
bool WRL2LINESET::AddChildNode( WRL2NODE* aNode )
{
 wxCHECK_MSG( aNode, false, wxT( "Invalid node." ) );
 
 WRL2NODES type = aNode->GetNodeType();
 
 if( !checkNodeType( type ) )
 {
 wxLogTrace( traceVrmlPlugin,
 wxT( "%s:%s:%d\n"
 " * [INFO] bad file format; unexpected child node '%s'." ),
 __FILE__, __FUNCTION__, __LINE__, aNode->GetNodeTypeName( type ) );
 
 return false;
 }
 
 if( WRL2NODES::WRL2_COLOR == type )
 {
 if( nullptr != color )
 {
 wxLogTrace( traceVrmlPlugin,
 wxT( "%s:%s:%d\n"
 " * [INFO] bad file format; multiple color nodes." ),
 __FILE__, __FUNCTION__, __LINE__ );
 
 return false;
 }
 
 color = aNode;
 return WRL2NODE::AddChildNode( aNode );
 }
 
 if( WRL2NODES::WRL2_COORDINATE == type )
 {
 if( nullptr != coord )
 {
 wxLogTrace( traceVrmlPlugin,
 wxT( "%s:%s:%d\n"
 " * [INFO] bad file format; multiple coord nodes." ),
 __FILE__, __FUNCTION__, __LINE__ );
 
 return false;
 }
 
 coord = aNode;
 return WRL2NODE::AddChildNode( aNode );
 }
 
 return WRL2NODE::AddChildNode( aNode );
}
 
 
 
bool WRL2LINESET::Read( WRLPROC& proc, WRL2BASE* aTopNode )
{
 char tok = proc.Peek();
 
 if( proc.eof() )
 {
 wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
 " * [INFO] bad file format; unexpected eof %s." ),
 __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition() );
 
 return false;
 }
 
 if( '{' != tok )
 {
 wxLogTrace( traceVrmlPlugin,
 wxT( "%s:%s:%d\n"
 " * [INFO] bad file format; expecting '{' but got '%s' %s." ),
 __FILE__, __FUNCTION__, __LINE__, tok, proc.GetFilePosition() );
 
 return false;
 }
 
 proc.Pop();
 std::string glob;
 
 while( true )
 {
 if( proc.Peek() == '}' )
 {
 proc.Pop();
 break;
 }
 
 if( !proc.ReadName( glob ) )
 {
 wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
 "%s" ),
 __FILE__, __FUNCTION__, __LINE__ , proc.GetError() );
 
 return false;
 }
 
 // expecting one of:
 // [node]
 // color
 // coord
 // [bool]
 // colorPerVertex
 // [ vector<int> ]
 // colorIndex
 // coordIndex
 
 if( !glob.compare( "colorPerVertex" ) )
 {
 if( !proc.ReadSFBool( colorPerVertex ) )
 {
 wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
 " * [INFO] invalid colorPerVertex %s\n"
 " * [INFO] file: '%s'\n"
 "%s" ),
 __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(),
 proc.GetFileName(), proc.GetError() );
 
 return false;
 }
 }
 else if( !glob.compare( "colorIndex" ) )
 {
 if( !proc.ReadMFInt( colorIndex ) )
 {
 wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
 " * [INFO] invalid colorIndex %s\n"
 " * [INFO] file: '%s'\n"
 "%s" ),
 __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(),
 proc.GetFileName(), proc.GetError() );
 
 return false;
 }
 }
 else if( !glob.compare( "coordIndex" ) )
 {
 if( !proc.ReadMFInt( coordIndex ) )
 {
 wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
 " * [INFO] invalid coordIndex %s\n"
 " * [INFO] file: '%s'\n"
 "%s" ),
 __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(),
 proc.GetFileName(), proc.GetError() );
 
 return false;
 }
 }
 else if( !glob.compare( "color" ) )
 {
 if( !aTopNode->ReadNode( proc, this, nullptr ) )
 {
 wxLogTrace( traceVrmlPlugin,
 wxT( "%s:%s:%d\n"
 " * [INFO] could not read color node information." ),
 __FILE__, __FUNCTION__, __LINE__ );
 
 return false;
 }
 }
 else if( !glob.compare( "coord" ) )
 {
 if( !aTopNode->ReadNode( proc, this, nullptr ) )
 {
 wxLogTrace( traceVrmlPlugin,
 wxT( "%s:%s:%d\n"
 " * [INFO] could not read coord node information." ),
 __FILE__, __FUNCTION__, __LINE__ );
 
 return false;
 }
 }
 else
 {
 wxLogTrace( traceVrmlPlugin,
 wxT( "%s:%s:%d\n"
 " * [INFO] invalid IndexedFaceSet %s\n"
 " * [INFO] file: '%s'\n" ),
 __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(),
 proc.GetFileName() );
 
 return false;
 }
 } // while( true ) -- reading contents of IndexedLineSet{}
 
 return true;
}
 
 
SGNODE* WRL2LINESET::TranslateToSG( SGNODE* aParent )
{
 // note: there are no plans to support drawing of lines
 return nullptr;
}
 
 
void WRL2LINESET::unlinkChildNode( const WRL2NODE* aNode )
{
 if( nullptr == aNode )
 return;
 
 if( aNode->GetParent() == this )
 {
 if( aNode == color )
 color = nullptr;
 else if( aNode == coord )
 coord = nullptr;
 }
 
 WRL2NODE::unlinkChildNode( aNode );
}
 
 
void WRL2LINESET::unlinkRefNode( const WRL2NODE* aNode )
{
 if( nullptr == aNode )
 return;
 
 if( aNode->GetParent() != this )
 {
 if( aNode == color )
 color = nullptr;
 else if( aNode == coord )
 coord = nullptr;
 }
 
 WRL2NODE::unlinkRefNode( aNode );
}
 
 
bool WRL2LINESET::HasColors( void )
{
 if( nullptr == color )
 return false;
 
 return ((WRL2COLOR*) color)->HasColors();
}