TreeUtilsSVG.h

/*
 
MIT License
 
Copyright (c) 2023 FMI Open Development / Markus Peura, first.last@fmi.fi
 
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
 
*/
/*
Part of Rack development has been done in the BALTRAD projects part-financed
by the European Union (European Regional Development Fund and European
Neighbourhood Partnership Instrument, Baltic Sea Region Programme 2007-2013)
*/
/*
 * TreeSVG.h
 *
 *  Created on: Jun 24, 2012
 *      Author: mpeura
 */
 
#ifndef DRAIN_TREE_UTILS_SVG
#define DRAIN_TREE_UTILS_SVG
 
//
 
#include <drain/image/AlignAnchorSVG.h>
#include <drain/util/Frame.h>
#include <drain/util/EnumFlags.h>
#include <drain/util/Rectangle.h>
#include "LayoutSVG.h"
#include "TreeSVG.h"
 
namespace drain {
 
namespace image {
/*
struct PanelConfSVG {
 
    bool absolutePaths = true;
 
    // Currently, applications are recommended to handle "false" and "none". Or "auto"?
    // std::string title;
    // FontSizes fontSize;
 
    inline  // maxPerGroup(10), layout(Alignment::HORZ, LayoutSVG::INCR), legend(LEFT, EMBED),
    PanelConfSVG() : absolutePaths(true){
    }
 
};
*/
 
 
//template <>
// const drain::EnumDict<AlignSVG_FOO>::dict_t  drain::EnumDict<AlignSVG_FOO>::dict;
 
template <AlignBase::Axis AX>
struct CoordSpan {
 
    inline
    CoordSpan(svg::coord_t pos = 0, svg::coord_t span = 0) : pos(pos), span(span) {
    }
 
    inline
    CoordSpan(const CoordSpan & cspan) : pos(cspan.pos), span(cspan.span) {
    }
 
    // Starting coordinate (x or y).
    svg::coord_t pos = 0; //BBoxSVG::undefined;
 
    // Width or height
    svg::coord_t span = 0; // BBoxSVG::undefined;
 
    // ? void getTranslatedCoordSpan(const BBoxSVG & bbox);
    void copyFrom(const NodeSVG & node);
 
    void copyFrom(const BBoxSVG & bbox);
 
    /*
    inline
    bool isUndefined(){
        return std::isnan(pos) || std::isnan(span);
    }
    */
 
    inline
    bool isDefined(){
        return ! (std::isnan(pos) || std::isnan(span));
    }
};
 
 
struct TreeUtilsSVG {
 
public:
 
 
 
 
    static
    void detectBox(TreeSVG & group, bool debug = false);
 
    static inline
    void getAdjustedBBox(const NodeSVG & node, BBoxSVG & bbox) { //, bool debug = false){
        //detectBoxNEW(group, debug);
        bbox = node.getBoundingBox();
        bbox.x += node.transform.translate.x;
        bbox.y += node.transform.translate.y;
    }
 
    template <AlignBase::Axis AX>
    static
    void adjustLocation(TreeSVG & group, NodeSVG & node, CoordSpan<AX> anchorSpan);
 
 
    static
    void addStackLayout(TreeSVG & object, AlignBase::Axis orientation = AlignBase::Axis::HORZ, LayoutSVG::Direction direction = LayoutSVG::Direction::INCR, unsigned short depth=0);
 
 
    static
    void setStackLayout(NodeSVG & node, AlignBase::Axis orientation, LayoutSVG::Direction direction);
 
    static
    void superAlign(TreeSVG & node);
 
 
    // TODO: templated
    template <AlignBase::Axis AX>
    static
    void realignObject(NodeSVG & node, const CoordSpan<AX> & span);
 
 
 
 
};
 
template <>
void TreeUtilsSVG::realignObject(NodeSVG & node, const CoordSpan<AlignBase::Axis::HORZ> & span);
 
template <>
void TreeUtilsSVG::realignObject(NodeSVG & node, const CoordSpan<AlignBase::Axis::VERT> & span);
 
 
 
class RelativePathSetterSVG : public drain::TreeVisitor<TreeSVG> {
 
public:
 
    // Leading path, maybe partial, to be pruned
    const std::string dir;
 
    // String starting the modified path, for example "file://"
    const std::string prefix;
 
    inline
    RelativePathSetterSVG(const drain::FilePath & filepath, const std::string & prefix = "") :
        dir(filepath.dir.empty() ? "" : filepath.dir.str()+'/'),
        prefix(prefix) {
    }
 
    int visitPrefix(TreeSVG & tree, const TreeSVG::path_t & path) override;
 
 
};
 
 
class MetaDataCollectorSVG : public drain::TreeVisitor<TreeSVG> {
 
public:
 
    static
    const std::string LOCAL;
 
    static
    const std::string SHARED;
 
    /*
    enum MetaDataType {
        LOCAL,
        SHARED
    };
    */
 
    inline
    int visitPrefix(TreeSVG & tree, const TreeSVG::path_t & path) override {
        // always continue
        return 0;
    }
 
    int visitPostfix(TreeSVG & tree, const TreeSVG::path_t & path) override;
 
    // Also
    //GraphicsContext::TitleFlagger titles;
 
protected:
 
    typedef std::map<std::string, unsigned short> variableStat_t;
 
};
 
// DRAIN_ENUM_DICT(MetaDataCollectorSVG::MetaDataType);
 
}  // image::
 
}  // drain::
 
 
 
 
#endif // TREESVG_H_