vrml2_coords.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_coords.h"
 
 
WRL2COORDS::WRL2COORDS() : WRL2NODE()
{
 m_Type = WRL2NODES::WRL2_COORDINATE;
}
 
 
WRL2COORDS::WRL2COORDS( WRL2NODE* aParent ) : WRL2NODE()
{
 m_Type = WRL2NODES::WRL2_COORDINATE;
 m_Parent = aParent;
 
 if( nullptr != m_Parent )
 m_Parent->AddChildNode( this );
}
 
 
WRL2COORDS::~WRL2COORDS()
{
 wxLogTrace( traceVrmlPlugin, wxT( " * [INFO] Destroying Coordinate node." ) );
}
 
 
bool WRL2COORDS::isDangling( void )
{
 // this node is dangling unless it has a parent of type WRL2_INDEXEDFACESET
 
 if( nullptr == m_Parent || m_Parent->GetNodeType() != WRL2NODES::WRL2_INDEXEDFACESET )
 return true;
 
 return false;
}
 
 
bool WRL2COORDS::AddRefNode( WRL2NODE* aNode )
{
 // this node may not own or reference any other node
 wxCHECK_MSG( false, false, wxT( "AddRefNode is not applicable." ) );
}
 
 
bool WRL2COORDS::AddChildNode( WRL2NODE* aNode )
{
 // this node may not own or reference any other node
 wxCHECK_MSG( false, false, wxT( "AddChildNode is not applicable." ) );
}
 
 
bool WRL2COORDS::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;
 
 if( proc.Peek() == '}' )
 {
 proc.Pop();
 return true;
 }
 
 if( !proc.ReadName( glob ) )
 {
 wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d\n"
 "%s" ),
 __FILE__, __FUNCTION__, __LINE__ , proc.GetError() );
 
 return false;
 }
 
 // expecting 'point'
 if( !glob.compare( "point" ) )
 {
 if( !proc.ReadMFVec3f( points ) )
 {
 wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d"
 " * [INFO] invalid Coordinate point set %s\n"
 " * [INFO] file: '%s'\n"
 "%s" ),
 __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(),
 proc.GetFileName(), proc.GetError() );
 
 return false;
 }
 }
 else
 {
 wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d"
 " * [INFO] invalid Coordinate %s\n"
 " * [INFO] file: '%s'\n" ),
 __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(), proc.GetFileName() );
 
 return false;
 }
 
 // assuming legacy KiCad expectation of 1U = 0.1 inch,
 // convert to mm to meet the expectations of the SG structure
 std::vector< WRLVEC3F >::iterator sP = points.begin();
 std::vector< WRLVEC3F >::iterator eP = points.end();
 
 while( sP != eP )
 {
 sP->x *= 2.54f;
 sP->y *= 2.54f;
 sP->z *= 2.54f;
 ++sP;
 }
 
 if( proc.Peek() == '}' )
 {
 proc.Pop();
 return true;
 }
 
 wxLogTrace( traceVrmlPlugin, wxT( "%s:%s:%d"
 " * [INFO] invalid Coordinate %s (no closing brace)\n"
 " * [INFO] file: '%s'\n" ),
 __FILE__, __FUNCTION__, __LINE__, proc.GetFilePosition(), proc.GetFileName() );
 
 return false;
}
 
 
void WRL2COORDS::GetCoords( WRLVEC3F*& aCoordList, size_t& aListSize )
{
 if( points.size() < 3 )
 {
 aCoordList = nullptr;
 aListSize = 0;
 return;
 }
 
 aCoordList = &points[0];
 aListSize = points.size();
}
 
 
SGNODE* WRL2COORDS::TranslateToSG( SGNODE* aParent )
{
 // any data manipulation must be performed by the parent node
 return nullptr;
}