ECAD

#include "stdafx.h"
#include <sstream>
#include "cad_full.h"
#include "sgv.h"

// ......................................................................
void svg_stream( std::ostream& os, const SP_BaseItem& in )
{
	typecase( *in,
		[ & ]( PointItem& pa ) {
		os << " " << pa.get_bg_point( ).get_x( ) << " " << pa.get_bg_point( ).get_y( );
	},
		[ & ]( LineItem& pa ) {
		os << " " << pa.get_bg_line( ).first.get_x( ) << " "
			<< pa.get_bg_line( ).first.get_y( ) << "  "
			<< pa.get_bg_line( ).second.get_x( ) << " "
			<< pa.get_bg_line( ).second.get_y( )
			;
	},
		[ & ]( const ArcItem& pa ) {
		double rad= bg::distance( pa.get_o( ), pa.get_a( ) );
		os << "M"
			<< " " << pa.get_a( ).get_x( )
			<< " " << pa.get_a( ).get_y( )
			<< " A "
			<< " " << rad
			<< " " << rad
			<< " 0 0 1"//					<-- TODO!!!
			<< " " << pa.get_b( ).get_x( )
			<< " " << pa.get_b( ).get_y( )
			<< " M "
			;
	},
		[ & ]( const RectItem& pa ) { },
		[ & ]( const EllipesItem& pa ) { },
		[ & ]( const BezierCubeItem& pa ) { },
		[ & ]( const PolyItem& pa ) {
		for( auto l : pa )
			os << " " << l.get_x( ) << " " << l.get_y( ) << " "; }
	);//typecase
}

// ......................................................................
void SVG_WriteFile( bfs::path& path, DrawingObect& draw )
{
	CXML xml;
	xml.Open(path);
	xml.CreateSVG();

	XMLNODE svg= xml.root( );
	svg.SetElement( "metadata", "spur_gear_gen Copyright: Highlands Electronics 1996-2017" );
	svg.append_attribute("width").set_value("40cm");
	//svg.SetAttribute( "height", L"40cm" );
	//svg.SetAttribute( "viewBox",	L"-1 -1 2 2" );
	//svg.SetAttribute( "xmlns",		L"http://www.w3.org/2000/svg" );
	//svg.SetAttribute( "version",	L"1.1" );
	//svg.SetElementValue( "title",	L"spur gear gen" );

	std::ostringstream os;

	os << "M ";
	for( auto it : draw )
		for( auto im : it )
			os << svg_obj( im ) << " ";

	//std::wstring buf( utf8_to_uni( ( os.str( ).c_str( ) ) ) );

	//XMLNODE node= svg.AddChild( "path" );
	//node.SetAttribute( "stroke-width", L".01" );
	//node.SetAttribute( "stroke", L"black" );
	//node.SetAttribute( "fill", L"none" );
	//node.SetAttribute( "d", buf.c_str( ) );

	//os.str("");
	//os.clear( );
	//node= svg.AddChild( "circle" );
	////<circle cx="10" cy="10" r="2" fill="red"/>
	//node.SetAttribute( "cx", L".0" ); 
	//node.SetAttribute( "cy", L".0" ); 
	//node.SetAttribute( "r", L".1" ); 
	//node.SetAttribute( "fill", L"blue" ); 

	//	node.SetAttribute( "fill", L"none" );

	xml.Close( );
}