libnest2d::svg::SVGWriter< RawShape > Class Template Reference

#include <src/libnest2d/tools/svgtools.hpp>

Collaboration diagram for libnest2d::svg::SVGWriter< RawShape >:

Classes
struct	Config

Public Types
enum	OrigoLocation { TOPLEFT , BOTTOMLEFT }

Public Member Functions
	SVGWriter (const Config &conf=Config())
void	setSize (const Box &box)
void	writeShape (RawShape tsh)
void	writeItem (const Item &item)
void	writePackGroup (const PackGroup &result)
template<class ItemIt >
void	writeItems (ItemIt from, ItemIt to)
void	addLayer ()
void	finishLayer ()
void	save (const std::string &filepath)

Private Types
using	Item = _Item< RawShape >
using	Coord = TCoord< TPoint< RawShape > >
using	Box = _Box< TPoint< RawShape > >
using	PackGroup = _PackGroup< RawShape >

Private Member Functions
std::string &	currentLayer ()
const std::string	header () const

Private Attributes
Config	conf_
std::vector< std::string >	svg_layers_
bool	finished_ = false

Detailed Description

template<class RawShape>
class libnest2d::svg::SVGWriter< RawShape >

Member Typedef Documentation

Box

template<class RawShape >

using libnest2d::svg::SVGWriter< RawShape >::Box = _Box<TPoint<RawShape> >

private

Coord

template<class RawShape >

using libnest2d::svg::SVGWriter< RawShape >::Coord = TCoord<TPoint<RawShape> >

private

Item

template<class RawShape >

using libnest2d::svg::SVGWriter< RawShape >::Item = _Item<RawShape>

private

PackGroup

template<class RawShape >

using libnest2d::svg::SVGWriter< RawShape >::PackGroup = _PackGroup<RawShape>

private

Member Enumeration Documentation

OrigoLocation

template<class RawShape >

enum libnest2d::svg::SVGWriter::OrigoLocation

Enumerator
TOPLEFT
BOTTOMLEFT

                       {
        TOPLEFT,
        BOTTOMLEFT
    };

Constructor & Destructor Documentation

SVGWriter()

template<class RawShape >

libnest2d::svg::SVGWriter< RawShape >::SVGWriter ( const Config &  conf = Config() )

inline

                                            :
        conf_(conf) {}

Member Function Documentation

addLayer()

template<class RawShape >

void libnest2d::svg::SVGWriter< RawShape >::addLayer ( )

inline

                    {
        svg_layers_.emplace_back(header());
        finished_ = false;
    }

References libnest2d::svg::SVGWriter< RawShape >::finished_, libnest2d::svg::SVGWriter< RawShape >::header(), and libnest2d::svg::SVGWriter< RawShape >::svg_layers_.

Referenced by libnest2d::svg::SVGWriter< RawShape >::writePackGroup(), and libnest2d::svg::SVGWriter< RawShape >::writeShape().

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currentLayer()

template<class RawShape >

std::string & libnest2d::svg::SVGWriter< RawShape >::currentLayer ( )

inlineprivate

{ return svg_layers_.back(); }

References libnest2d::svg::SVGWriter< RawShape >::svg_layers_.

Referenced by libnest2d::svg::SVGWriter< RawShape >::finishLayer(), and libnest2d::svg::SVGWriter< RawShape >::writeShape().

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finishLayer()

template<class RawShape >

void libnest2d::svg::SVGWriter< RawShape >::finishLayer ( )

inline

                       {
        currentLayer() += "\n</svg>\n";
        finished_ = true;
    }

References libnest2d::svg::SVGWriter< RawShape >::currentLayer(), and libnest2d::svg::SVGWriter< RawShape >::finished_.

Referenced by libnest2d::svg::SVGWriter< RawShape >::writePackGroup().

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header()

template<class RawShape >

const std::string libnest2d::svg::SVGWriter< RawShape >::header ( ) const

inlineprivate

                                   {
        std::string svg_header =
R"raw(<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<svg height=")raw";
        svg_header += std::to_string(conf_.height) + "\" width=\"" + std::to_string(conf_.width) + "\" ";
        svg_header += R"raw(xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">)raw";

References libnest2d::svg::SVGWriter< RawShape >::conf_, libnest2d::svg::SVGWriter< RawShape >::Config::height, and libnest2d::svg::SVGWriter< RawShape >::Config::width.

Referenced by libnest2d::svg::SVGWriter< RawShape >::addLayer().

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save()

template<class RawShape >

void libnest2d::svg::SVGWriter< RawShape >::save ( const std::string &  filepath )

inline

                                         {
        size_t lyrc = svg_layers_.size() > 1? 1 : 0;
        size_t last = svg_layers_.size() > 1? svg_layers_.size() : 0;
 
        for(auto& lyr : svg_layers_) {
            std::fstream out(filepath + (lyrc > 0? std::to_string(lyrc) : "") +
                             ".svg", std::fstream::out);
            if(out.is_open()) out << lyr;
            if(lyrc == last && !finished_) out << "\n</svg>\n";
            out.flush(); out.close(); lyrc++;
        };
    }

References libnest2d::svg::SVGWriter< RawShape >::finished_, and libnest2d::svg::SVGWriter< RawShape >::svg_layers_.

setSize()

template<class RawShape >

void libnest2d::svg::SVGWriter< RawShape >::setSize ( const Box &  box )

inline

                                 {
        conf_.height = static_cast<double>(box.height()) /
                conf_.mm_in_coord_units;
        conf_.width = static_cast<double>(box.width()) /
                conf_.mm_in_coord_units;
    }

References libnest2d::svg::SVGWriter< RawShape >::conf_, libnest2d::_Box< P >::height(), libnest2d::svg::SVGWriter< RawShape >::Config::height, libnest2d::svg::SVGWriter< RawShape >::Config::mm_in_coord_units, libnest2d::_Box< P >::width(), and libnest2d::svg::SVGWriter< RawShape >::Config::width.

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writeItem()

template<class RawShape >

void libnest2d::svg::SVGWriter< RawShape >::writeItem ( const Item &  item )

inline

                                     {
        writeShape(item.transformedShape());
    }

References libnest2d::_Item< RawShape >::transformedShape(), and libnest2d::svg::SVGWriter< RawShape >::writeShape().

Referenced by libnest2d::svg::SVGWriter< RawShape >::writePackGroup().

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writeItems()

template<class RawShape >

template<class ItemIt >

void libnest2d::svg::SVGWriter< RawShape >::writeItems ( ItemIt  from, ItemIt  to  )

inline

                                                                   {
        auto it = from;
        PackGroup pg;
        while(it != to) {
            if(it->binId() == BIN_ID_UNSET) continue;
            while(pg.size() <= size_t(it->binId())) pg.emplace_back();
            pg[it->binId()].emplace_back(*it);
            ++it;
        }
        writePackGroup(pg);
    }

References libnest2d::BIN_ID_UNSET, and libnest2d::svg::SVGWriter< RawShape >::writePackGroup().

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writePackGroup()

template<class RawShape >

void libnest2d::svg::SVGWriter< RawShape >::writePackGroup ( const PackGroup &  result )

inline

                                                 {
        for(auto r : result) {
            addLayer();
            for(Item& sh : r) {
                writeItem(sh);
            }
            finishLayer();
        }
    }

References libnest2d::svg::SVGWriter< RawShape >::addLayer(), libnest2d::svg::SVGWriter< RawShape >::finishLayer(), and libnest2d::svg::SVGWriter< RawShape >::writeItem().

Referenced by libnest2d::svg::SVGWriter< RawShape >::writeItems().

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writeShape()

template<class RawShape >

void libnest2d::svg::SVGWriter< RawShape >::writeShape ( RawShape  tsh )

inline

                                  {
        if(svg_layers_.empty()) addLayer();
        if(conf_.origo_location == BOTTOMLEFT) {
            auto d = static_cast<Coord>(
                std::round(conf_.height*conf_.mm_in_coord_units) );
 
            auto& contour = shapelike::contour(tsh);
            for(auto& v : contour) setY(v, -getY(v) + d);
 
            auto& holes = shapelike::holes(tsh);
            for(auto& h : holes) for(auto& v : h) setY(v, -getY(v) + d);
            
        }
        currentLayer() +=
            shapelike::serialize<Formats::SVG>(tsh,
                                               1.0 / conf_.mm_in_coord_units) +
            "\n";
    }

References libnest2d::svg::SVGWriter< RawShape >::addLayer(), libnest2d::svg::SVGWriter< RawShape >::BOTTOMLEFT, libnest2d::svg::SVGWriter< RawShape >::conf_, libnest2d::shapelike::contour(), libnest2d::svg::SVGWriter< RawShape >::currentLayer(), libnest2d::getY(), libnest2d::svg::SVGWriter< RawShape >::Config::height, libnest2d::shapelike::holes(), libnest2d::svg::SVGWriter< RawShape >::Config::mm_in_coord_units, libnest2d::svg::SVGWriter< RawShape >::Config::origo_location, libnest2d::setY(), and libnest2d::svg::SVGWriter< RawShape >::svg_layers_.

Referenced by libnest2d::svg::SVGWriter< RawShape >::writeItem().

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Member Data Documentation

conf_

template<class RawShape >

Config libnest2d::svg::SVGWriter< RawShape >::conf_

private

Referenced by libnest2d::svg::SVGWriter< RawShape >::header(), libnest2d::svg::SVGWriter< RawShape >::setSize(), and libnest2d::svg::SVGWriter< RawShape >::writeShape().

finished_

template<class RawShape >

bool libnest2d::svg::SVGWriter< RawShape >::finished_ = false

private

Referenced by libnest2d::svg::SVGWriter< RawShape >::addLayer(), libnest2d::svg::SVGWriter< RawShape >::finishLayer(), and libnest2d::svg::SVGWriter< RawShape >::save().

svg_layers_

template<class RawShape >

std::vector<std::string> libnest2d::svg::SVGWriter< RawShape >::svg_layers_

private

Referenced by libnest2d::svg::SVGWriter< RawShape >::addLayer(), libnest2d::svg::SVGWriter< RawShape >::currentLayer(), libnest2d::svg::SVGWriter< RawShape >::save(), and libnest2d::svg::SVGWriter< RawShape >::writeShape().

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The documentation for this class was generated from the following file:

• src/libnest2d/tools/svgtools.hpp