x3d_ops.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 <wx/tokenzr.h>
#include <wx/xml/xml.h>
 
#include "x3d_appearance.h"
#include "x3d_coords.h"
#include "x3d_ops.h"
#include "x3d_transform.h"
 
 
bool X3D::ReadTransform( wxXmlNode* aNode, X3DNODE* aParent, X3D_DICT& aDict )
{
 // note: we must have a parent or else we will have a memory leak
 if( nullptr == aParent || nullptr == aNode )
 return false;
 
 wxXmlAttribute* prop;
 
 for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
 {
 const wxString& pname = prop->GetName();
 
 if( pname == wxT( "USE" ) )
 {
 X3DNODE* np = aDict.FindName( prop->GetValue() );
 
 if( nullptr == np )
 return false;
 
 if( !aParent->AddRefNode( np ) )
 return false;
 
 return true;
 }
 }
 
 X3DNODE* node = new X3DTRANSFORM;
 
 if( !node->Read( aNode, aParent, aDict ) )
 {
 delete node;
 return false;
 }
 
 return true;
}
 
 
bool X3D::ReadSwitch( wxXmlNode* aNode, X3DNODE* aParent, X3D_DICT& aDict )
{
 // XXX - TO BE IMPLEMENTED
 return false;
}
 
 
bool X3D::ReadShape( wxXmlNode* aNode, X3DNODE* aParent, X3D_DICT& aDict )
{
 // note: we must have a parent or else we will have a memory leak
 if( nullptr == aParent || nullptr == aNode )
 return false;
 
 wxXmlAttribute* prop;
 
 for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
 {
 const wxString& pname = prop->GetName();
 
 if( pname == wxT( "USE" ) )
 {
 X3DNODE* np = aDict.FindName( prop->GetValue() );
 
 if( nullptr == np )
 return false;
 
 if( !aParent->AddRefNode( np ) )
 return false;
 
 return true;
 }
 }
 
 X3DNODE* node = new X3DSHAPE;
 
 if( !node->Read( aNode, aParent, aDict ) )
 {
 delete node;
 return false;
 }
 
 return true;
}
 
 
bool X3D::ReadAppearance( wxXmlNode* aNode, X3DNODE* aParent, X3D_DICT& aDict )
{
 // note: we must have a parent or else we will have a memory leak
 if( nullptr == aParent || nullptr == aNode )
 return false;
 
 wxXmlAttribute* prop;
 
 for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
 {
 const wxString& pname = prop->GetName();
 
 if( pname == wxT( "USE" ) )
 {
 X3DNODE* np = aDict.FindName( prop->GetValue() );
 
 if( nullptr == np )
 return false;
 
 if( !aParent->AddRefNode( np ) )
 return false;
 
 return true;
 }
 }
 
 X3DNODE* node = new X3DAPP;
 
 if( !node->Read( aNode, aParent, aDict ) )
 {
 delete node;
 return false;
 }
 
 return true;
}
 
 
bool X3D::ReadIndexedFaceSet( wxXmlNode* aNode, X3DNODE* aParent, X3D_DICT& aDict )
{
 // note: we must have a parent or else we will have a memory leak
 if( nullptr == aParent || nullptr == aNode )
 return false;
 
 wxXmlAttribute* prop;
 
 for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
 {
 const wxString& pname = prop->GetName();
 
 if( pname == wxT( "USE" ) )
 {
 X3DNODE* np = aDict.FindName( prop->GetValue() );
 
 if( nullptr == np )
 return false;
 
 if( !aParent->AddRefNode( np ) )
 return false;
 
 return true;
 }
 }
 
 X3DNODE* node = new X3DIFACESET;
 
 if( !node->Read( aNode, aParent, aDict ) )
 {
 delete node;
 return false;
 }
 
 return true;
}
 
 
bool X3D::ReadCoordinates( wxXmlNode* aNode, X3DNODE* aParent, X3D_DICT& aDict )
{
 // note: we must have a parent or else we will have a memory leak
 if( nullptr == aParent || nullptr == aNode )
 return false;
 
 wxXmlAttribute* prop;
 
 for( prop = aNode->GetAttributes(); prop != nullptr; prop = prop->GetNext() )
 {
 const wxString& pname = prop->GetName();
 
 if( pname == wxT( "USE" ) )
 {
 X3DNODE* np = aDict.FindName( prop->GetValue() );
 
 if( nullptr == np )
 return false;
 
 if( !aParent->AddRefNode( np ) )
 return false;
 
 return true;
 }
 }
 
 X3DNODE* node = new X3DCOORDS;
 
 if( !node->Read( aNode, aParent, aDict ) )
 {
 delete node;
 return false;
 }
 
 return true;
}
 
 
bool X3D::ParseSFBool( const wxString& aSource, bool& aResult )
{
 wxStringTokenizer tokens( aSource );
 wxString val = tokens.GetNextToken();
 
 if( val == wxT( "TRUE" ) || val == wxT( "1" ) )
 {
 aResult = true;
 return true;
 }
 
 if( val == wxT( "FALSE" ) || val == wxT( "0" ) )
 {
 aResult = false;
 return true;
 }
 
 return false;
}
 
 
bool X3D::ParseSFFloat( const wxString& aSource, float& aResult )
{
 wxStringTokenizer tokens( aSource );
 
 double x = 0;
 bool ret = tokens.GetNextToken().ToCDouble( &x );
 
 aResult = x;
 return ret;
}
 
 
bool X3D::ParseSFVec3( const wxString& aSource, WRLVEC3F& aResult )
{
 wxStringTokenizer tokens( aSource );
 
 double x = 0;
 double y = 0;
 double z = 0;
 
 bool ret = tokens.GetNextToken().ToCDouble( &x )
 && tokens.GetNextToken().ToCDouble( &y )
 && tokens.GetNextToken().ToCDouble( &z );
 
 aResult.x = x;
 aResult.y = y;
 aResult.z = z;
 
 return ret;
}
 
 
bool X3D::ParseSFRotation( const wxString& aSource, WRLROTATION& aResult )
{
 wxStringTokenizer tokens( aSource );
 
 double x = 0;
 double y = 0;
 double z = 0;
 double w = 0;
 
 bool ret = tokens.GetNextToken().ToCDouble( &x )
 && tokens.GetNextToken().ToCDouble( &y )
 && tokens.GetNextToken().ToCDouble( &z )
 && tokens.GetNextToken().ToCDouble( &w );
 
 aResult.x = x;
 aResult.y = y;
 aResult.z = z;
 aResult.w = w;
 
 return ret;
}