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diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.3/src/PSPattern.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.3/src/PSPattern.cpp
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+/*************************************************************************
+** PSPattern.cpp **
+** **
+** This file is part of dvisvgm -- the DVI to SVG converter **
+** Copyright (C) 2005-2013 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/>. **
+*************************************************************************/
+
+#include <sstream>
+#include <vector>
+#include "BoundingBox.h"
+#include "PSPattern.h"
+#include "SpecialActions.h"
+#include "SVGTree.h"
+#include "XMLNode.h"
+
+using namespace std;
+
+
+string PSPattern::svgID () const {
+ return XMLString("pat")+XMLString(_id);
+}
+
+
+/** Appends the definition of this pattern to the "def" section of the SVG tree. */
+void PSPattern::apply (SpecialActions *actions) {
+ if (XMLElementNode *pattern = createPatternNode())
+ actions->appendToDefs(pattern);
+}
+
+
+/////////////////////////////////////////////////////////////////////////////
+
+PSTilingPattern::PSTilingPattern (int id, BoundingBox &bbox, Matrix &matrix, double xstep, double ystep)
+ : PSPattern(id), _bbox(bbox), _matrix(matrix), _xstep(xstep), _ystep(ystep), _groupNode(0)
+{
+ const double bp2pt = 72.27/72.0; // factor to convert bp to pt
+ _bbox.scale(bp2pt, bp2pt);
+ _xstep *= bp2pt;
+ _ystep *= bp2pt;
+ _groupNode = PSTilingPattern::createGroupNode();
+}
+
+
+PSTilingPattern::~PSTilingPattern () {
+ delete _groupNode;
+}
+
+
+/** Creates a new pattern element representing the pattern defined in the PS code. */
+XMLElementNode* PSTilingPattern::createPatternNode () const {
+ if (!_groupNode)
+ return 0;
+ BoundingBox box(_bbox.minX(), _bbox.minY(), _bbox.minX()+_xstep, _bbox.minY()+_ystep);
+ XMLElementNode *pattern = new XMLElementNode("pattern");
+ pattern->addAttribute("id", svgID());
+ pattern->addAttribute("x", box.minX());
+ pattern->addAttribute("y", box.minY());
+ pattern->addAttribute("width", box.width());
+ pattern->addAttribute("height", box.height());
+ pattern->addAttribute("viewBox", box.toSVGViewBox());
+ pattern->addAttribute("patternUnits", "userSpaceOnUse");
+ if (!_matrix.isIdentity())
+ pattern->addAttribute("patternTransform", _matrix.getSVG());
+ if (_xstep < _bbox.width() || _ystep < _bbox.height()) { // overlapping tiles?
+ // disable clipping at the tile borders => tiles become "transparent"
+ pattern->addAttribute("overflow", "visible");
+ }
+ if (XMLElementNode *clip=createClipNode())
+ pattern->append(clip);
+ pattern->append(_groupNode);
+ return pattern;
+}
+
+
+/** Creates a new clip element restricting the drawing area to the
+ * dimensions given in the definition of the pattern. */
+XMLElementNode* PSTilingPattern::createClipNode() const {
+ XMLElementNode *clip = new XMLElementNode("clipPath");
+ clip->addAttribute("id", "pc"+XMLString(psID()));
+ XMLElementNode *rect = new XMLElementNode("rect");
+ rect->addAttribute("x", _bbox.minX());
+ rect->addAttribute("y", _bbox.minY());
+ rect->addAttribute("width", _bbox.width());
+ rect->addAttribute("height", _bbox.height());
+ clip->append(rect);
+ return clip;
+}
+
+
+/** Creates a new group element that contains all "drawing" elements that
+ * define the pattern graphic. */
+XMLElementNode* PSTilingPattern::createGroupNode () const {
+ // add all succeeding path elements to this group
+ XMLElementNode *group = new XMLElementNode("g");
+ group->addAttribute("clip-path", XMLString("url(#pc")+XMLString(psID())+")");
+ return group;
+}
+
+
+void PSTilingPattern::apply (SpecialActions *actions) {
+ PSPattern::apply(actions);
+ _groupNode = 0;
+}
+
+
+/////////////////////////////////////////////////////////////////////////////
+
+PSColoredTilingPattern::PSColoredTilingPattern (int id, BoundingBox &bbox, Matrix &matrix, double xstep, double ystep)
+ : PSTilingPattern(id, bbox, matrix, xstep, ystep)
+{
+}
+
+
+/////////////////////////////////////////////////////////////////////////////
+
+PSUncoloredTilingPattern::PSUncoloredTilingPattern (int id, BoundingBox &bbox, Matrix &matrix, double xstep, double ystep)
+ : PSTilingPattern(id, bbox, matrix, xstep, ystep), _applied(false)
+{
+}
+
+
+PSUncoloredTilingPattern::~PSUncoloredTilingPattern () {
+ if (_applied)
+ setGroupNode(0); // prevent deleting the group node in the parent destructor
+}
+
+
+/** Returns an SVG id value that identifies this pattern with the current color applied. */
+string PSUncoloredTilingPattern::svgID () const {
+ ostringstream oss;
+ oss << PSPattern::svgID() << '-' << hex << _currentColor;
+ return oss.str();
+}
+
+
+/** Appends the definition of this pattern with the current color applied
+ * to the "def" section of the SVG tree. */
+void PSUncoloredTilingPattern::apply (SpecialActions* actions) {
+ set<Color>::iterator it=_colors.find(_currentColor);
+ if (it == _colors.end()) {
+ if (_applied)
+ setGroupNode(static_cast<XMLElementNode*>(getGroupNode()->clone()));
+ // assign current color to the pattern graphic
+ vector<XMLElementNode*> colored_elems;
+ const char *attribs[] = {"fill", "stroke"};
+ for (int i=0; i < 2; i++) {
+ getGroupNode()->findDescendants(0, attribs[i], colored_elems);
+ for (vector<XMLElementNode*>::iterator it=colored_elems.begin(); it != colored_elems.end(); ++it)
+ if (string((*it)->getAttributeValue(attribs[i])) != "none")
+ (*it)->addAttribute(attribs[i], _currentColor.rgbString());
+ colored_elems.clear();
+ }
+ PSPattern::apply(actions);
+ _colors.insert(_currentColor);
+ _applied = true;
+ }
+}
+
+
+XMLElementNode* PSUncoloredTilingPattern::createClipNode() const {
+ // only the first instance of this patterns get a clip element
+ if (_colors.empty())
+ return PSTilingPattern::createClipNode();
+ return 0;
+} \ No newline at end of file