svg_import_plugin.h

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/*
 * This program source code file is part of KICAD, a free EDA CAD application.
 *
 * Copyright (C) 2016 CERN
 * @author Janito V. Ferreira Filho <[email protected]>
 * Copyright (C) 2018-2023 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
 */
 
#ifndef SVG_IMPORT_PLUGIN_H
#define SVG_IMPORT_PLUGIN_H
 
#include "graphics_import_plugin.h"
#include "graphics_importer_buffer.h"
#include <wildcards_and_files_ext.h>
 
#include <vector>
#include <stroke_params.h>
 
 
class SVG_IMPORT_PLUGIN : public GRAPHICS_IMPORT_PLUGIN
{
public:
    SVG_IMPORT_PLUGIN():
        GRAPHICS_IMPORT_PLUGIN(),
        m_parsedImage( nullptr )
    {
    }
 
    const wxString GetName() const override
    {
        return "Scalable Vector Graphics";
    }
 
    const std::vector<std::string> GetFileExtensions() const override
    {
        static std::vector<std::string> exts = { "svg" };
        return exts;
    }
 
    const wxString& GetMessages() const override
    {
        return m_messages;
    }
 
    void ReportMsg( const wxString& aMessage ) override;
 
    bool Import() override;
    bool Load( const wxString& aFileName ) override;
    bool LoadFromMemory( const wxMemoryBuffer& aMemBuffer ) override;
 
    virtual double GetImageHeight() const override;
    virtual double GetImageWidth() const override;
    virtual BOX2D GetImageBBox() const override;
 
private:
    void DrawPath( const float* aPoints, int aNumPoints, bool aClosedPath,
                   const IMPORTED_STROKE& aStroke, bool aFilled, const COLOR4D& aFillColor );
 
    void DrawCubicBezierPath( const float* aPoints, int aNumPoints,
                              std::vector<VECTOR2D>& aGeneratedPoints );
 
    void DrawCubicBezierCurve( const float* aPoints, std::vector<VECTOR2D>& aGeneratedPoints );
 
    void DrawPolygon( const std::vector<VECTOR2D>& aPoints, const IMPORTED_STROKE& aStroke,
                      bool aFilled, const COLOR4D& aFillColor );
 
    void DrawLineSegments( const std::vector<VECTOR2D>& aPoints, const IMPORTED_STROKE& aStroke );
 
    struct NSVGimage* m_parsedImage;
 
    wxString m_messages; // messages generated during svg file parsing.
                                // Each message ends by '\n'
 
    GRAPHICS_IMPORTER_BUFFER m_internalImporter;
};
 
#endif /* SVG_IMPORT_PLUGIN_H */