/************************************************************************* ** SpecialActions.hpp ** ** ** ** This file is part of dvisvgm -- a fast DVI to SVG converter ** ** Copyright (C) 2005-2018 Martin Gieseking ** ** ** ** 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 3 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, see . ** *************************************************************************/ #ifndef SPECIALACTIONS_HPP #define SPECIALACTIONS_HPP #include #include #include "BoundingBox.hpp" #include "Color.hpp" #include "Matrix.hpp" class XMLNode; class XMLElementNode; class SpecialActions { public: virtual ~SpecialActions () =default; virtual double getX () const =0; virtual double getY () const =0; virtual void setX (double x) =0; virtual void setY (double y) =0; virtual void finishLine () =0; virtual void setColor (const Color &color) =0; virtual Color getColor () const =0; virtual void setMatrix (const Matrix &m) =0; virtual const Matrix& getMatrix () const =0; virtual void getPageTransform (Matrix &matrix) const =0; virtual void setBgColor (const Color &color) =0; virtual void appendToPage(std::unique_ptr &&node) =0; virtual void appendToDefs(std::unique_ptr &&node) =0; virtual void prependToPage(std::unique_ptr &&node) =0; virtual void pushContextElement (std::unique_ptr &&node) =0; virtual void popContextElement () =0; virtual BoundingBox& bbox () =0; virtual BoundingBox& bbox (const std::string &name, bool reset=false) =0; virtual void embed (const BoundingBox &bbox) =0; virtual void embed (const DPair &p, double r=0) =0; virtual unsigned getCurrentPageNumber () const =0; virtual std::string getSVGFilename (unsigned pageno) const =0; virtual std::string getBBoxFormatString () const =0; virtual void progress (const char *id) {} virtual int getDVIStackDepth () const {return 0;} static double PROGRESSBAR_DELAY; ///< progress bar doesn't appear before this time has elapsed (in sec) }; class EmptySpecialActions : public SpecialActions { public: double getX () const override {return 0;} double getY () const override {return 0;} void setX (double x) override {} void setY (double y) override {} void finishLine () override {} void setColor (const Color &color) override {} void setBgColor (const Color &color) override {} Color getColor () const override {return Color::BLACK;} void setMatrix (const Matrix &m) override {} const Matrix& getMatrix () const override {return _matrix;} void getPageTransform (Matrix &matrix) const override {} void appendToPage(std::unique_ptr &&node) override {} void appendToDefs(std::unique_ptr &&node) override {} void prependToPage(std::unique_ptr &&node) override {} void pushContextElement (std::unique_ptr &&node) override {} void popContextElement () override {} BoundingBox& bbox () override {return _bbox;} BoundingBox& bbox (const std::string &name, bool reset=false) override {return _bbox;} void embed (const BoundingBox &bbox) override {} void embed (const DPair &p, double r=0) override {} unsigned getCurrentPageNumber() const override {return 0;} std::string getSVGFilename (unsigned pageno) const override {return "";} std::string getBBoxFormatString () const override {return "";} private: BoundingBox _bbox; Matrix _matrix; }; #endif