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authorPeter Breitenlohner <peb@mppmu.mpg.de>2011-03-04 09:58:37 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2011-03-04 09:58:37 +0000
commit63fe1142388b3cac6f3dfeed75cf28e00e0097ad (patch)
treedd7c0d4d13288e6d8dc60e9399c8b1c6f214cac6 /Build/source/texk/dvisvgm/dvisvgm-1.0.5/src/BoundingBox.h
parent8bbc8c26d77a016f91f7f8d3b80cc850c05175fb (diff)
dvisvgm 1.0.5
git-svn-id: svn://tug.org/texlive/trunk@21604 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.0.5/src/BoundingBox.h')
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diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.0.5/src/BoundingBox.h b/Build/source/texk/dvisvgm/dvisvgm-1.0.5/src/BoundingBox.h
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+/*************************************************************************
+** BoundingBox.h **
+** **
+** This file is part of dvisvgm -- the DVI to SVG converter **
+** Copyright (C) 2005-2011 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 BOUNDINGBOX_H
+#define BOUNDINGBOX_H
+
+#include <ostream>
+#include <string>
+#include "Length.h"
+#include "MessageException.h"
+#include "Pair.h"
+#include "macros.h"
+#include "types.h"
+
+
+class Matrix;
+class XMLElementNode;
+
+
+struct BoundingBoxException : MessageException
+{
+ BoundingBoxException (const std::string &msg) : MessageException(msg) {}
+};
+
+
+class BoundingBox
+{
+ public:
+ BoundingBox ();
+ BoundingBox (double ulxx, double ulyy, double lrxx, double lryy);
+ BoundingBox (const DPair &p1, const DPair &p2);
+ BoundingBox (const Length &ulxx, const Length &ulyy, const Length &lrxx, const Length &lryy);
+ BoundingBox (const std::string &boxstr) {set(boxstr);}
+ void set (std::string boxstr);
+ void embed (double x, double y);
+ void embed (const BoundingBox &bb);
+ void embed (const DPair &p) {embed(p.x(), p.y());}
+ void embed (const DPair &c, double r);
+
+ template <typename T>
+ void embed (const Pair<T> &p) {embed(p.x(), p.y());}
+
+ void expand (double m);
+ bool intersect (const BoundingBox &bbox);
+ double minX () const {return ulx;}
+ double minY () const {return uly;}
+ double maxX () const {return lrx;}
+ double maxY () const {return lry;}
+ double width () const {return lrx-ulx;}
+ double height () const {return lry-uly;}
+ void lock () {_locked = true;}
+ void unlock () {_locked = false;}
+ void operator += (const BoundingBox &bb);
+ void scale (double sx, double sy);
+ void transform (const Matrix &tm);
+ std::string toSVGViewBox () const;
+ std::ostream& write (std::ostream &os) const;
+ XMLElementNode* toSVGRect () const;
+
+ private:
+ double ulx, uly; ///< coordinates of upper left vertex (in TeX point units)
+ double lrx, lry; ///< coordinates of lower right vertex (in TeX point unitx)
+ bool _valid : 1; ///< true if the box coordinates are properly set
+ bool _locked : 1; ///< if true, the box data is read-only
+};
+
+IMPLEMENT_OUTPUT_OPERATOR(BoundingBox)
+
+#endif