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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvisvgm/src/PSPreviewFilter.hpp
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+/*************************************************************************
+** PSPreviewFilter.hpp **
+** **
+** This file is part of dvisvgm -- a fast DVI to SVG converter **
+** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** **
+** 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 <http://www.gnu.org/licenses/>. **
+*************************************************************************/
+
+#ifndef PSPREVIEWFILTER_HPP
+#define PSPREVIEWFILTER_HPP
+
+#include <string>
+#include <vector>
+#include "BoundingBox.hpp"
+#include "PSFilter.hpp"
+
+class SpecialActions;
+
+class PSPreviewFilter : public PSFilter {
+ public:
+ explicit PSPreviewFilter (PSInterpreter &psi);
+ void activate ();
+ void execute (const char *code, size_t len) override;
+ bool active () const override {return _active;}
+ std::string version () const {return _version;}
+ bool tightpage () const {return _tightpage;}
+ void setDviScaleFactor (double dvi2bp) {_dvi2bp = dvi2bp;}
+ void assignBorders (BoundingBox &bbox) const;
+ bool getBoundingBox (BoundingBox &bbox) const;
+ double height () const;
+ double depth () const;
+ double width () const;
+
+ private:
+ std::string _version; ///< version string of preview package
+ bool _active; ///< true if filter is active
+ bool _tightpage; ///< true if tightpage option was given
+ double _dvi2bp; ///< factor to convert dvi units to PS points
+ std::vector<int> _boxExtents; ///< bounding box data set by the preview package (in DVI units)
+};
+
+#endif