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-rw-r--r--dviware/dvisvgm/src/optimizer/AttributeExtractor.cpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/AttributeExtractor.hpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/DependencyGraph.hpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/GroupCollapser.cpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/GroupCollapser.hpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/OptimizerModule.hpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/RedundantElementRemover.cpp3
-rw-r--r--dviware/dvisvgm/src/optimizer/RedundantElementRemover.hpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/SVGOptimizer.cpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/SVGOptimizer.hpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/TextSimplifier.cpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/TextSimplifier.hpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/TransformSimplifier.cpp35
-rw-r--r--dviware/dvisvgm/src/optimizer/TransformSimplifier.hpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/WSNodeRemover.cpp2
-rw-r--r--dviware/dvisvgm/src/optimizer/WSNodeRemover.hpp2
16 files changed, 40 insertions, 26 deletions
diff --git a/dviware/dvisvgm/src/optimizer/AttributeExtractor.cpp b/dviware/dvisvgm/src/optimizer/AttributeExtractor.cpp
index e26018253d..28046e45a2 100644
--- a/dviware/dvisvgm/src/optimizer/AttributeExtractor.cpp
+++ b/dviware/dvisvgm/src/optimizer/AttributeExtractor.cpp
@@ -2,7 +2,7 @@
** AttributeExtractor.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/AttributeExtractor.hpp b/dviware/dvisvgm/src/optimizer/AttributeExtractor.hpp
index c882e8b4c8..b4c6f2775c 100644
--- a/dviware/dvisvgm/src/optimizer/AttributeExtractor.hpp
+++ b/dviware/dvisvgm/src/optimizer/AttributeExtractor.hpp
@@ -2,7 +2,7 @@
** AttributeExtractor.hpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/DependencyGraph.hpp b/dviware/dvisvgm/src/optimizer/DependencyGraph.hpp
index c9111b43d5..98d2a8d699 100644
--- a/dviware/dvisvgm/src/optimizer/DependencyGraph.hpp
+++ b/dviware/dvisvgm/src/optimizer/DependencyGraph.hpp
@@ -2,7 +2,7 @@
** DependencyGraph.hpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/GroupCollapser.cpp b/dviware/dvisvgm/src/optimizer/GroupCollapser.cpp
index 36bf3a8cd5..b8a32786c1 100644
--- a/dviware/dvisvgm/src/optimizer/GroupCollapser.cpp
+++ b/dviware/dvisvgm/src/optimizer/GroupCollapser.cpp
@@ -2,7 +2,7 @@
** GroupCollapser.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/GroupCollapser.hpp b/dviware/dvisvgm/src/optimizer/GroupCollapser.hpp
index 9b5eb01829..08db518a90 100644
--- a/dviware/dvisvgm/src/optimizer/GroupCollapser.hpp
+++ b/dviware/dvisvgm/src/optimizer/GroupCollapser.hpp
@@ -2,7 +2,7 @@
** GroupCollapser.hpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/OptimizerModule.hpp b/dviware/dvisvgm/src/optimizer/OptimizerModule.hpp
index ff4fec1b4d..276cfa5578 100644
--- a/dviware/dvisvgm/src/optimizer/OptimizerModule.hpp
+++ b/dviware/dvisvgm/src/optimizer/OptimizerModule.hpp
@@ -2,7 +2,7 @@
** OptimizerModule.hpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/RedundantElementRemover.cpp b/dviware/dvisvgm/src/optimizer/RedundantElementRemover.cpp
index 85d8e5b1fa..906ccc2d14 100644
--- a/dviware/dvisvgm/src/optimizer/RedundantElementRemover.cpp
+++ b/dviware/dvisvgm/src/optimizer/RedundantElementRemover.cpp
@@ -2,7 +2,7 @@
** RedundantElementRemover.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
@@ -54,6 +54,7 @@ void RedundantElementRemover::execute (XMLElement *defs, XMLElement *context) {
}
// collect elements that reference a clipPath, i.e. have a clip-path attribute
vector<XMLElement*> descendants;
+ defs->getDescendants("!clipPath", "clip-path", descendants);
context->getDescendants(nullptr, "clip-path", descendants);
// remove referenced IDs and their dependencies from the dependency graph
for (const XMLElement *elem : descendants) {
diff --git a/dviware/dvisvgm/src/optimizer/RedundantElementRemover.hpp b/dviware/dvisvgm/src/optimizer/RedundantElementRemover.hpp
index dd46cfeba5..8d5a6b689f 100644
--- a/dviware/dvisvgm/src/optimizer/RedundantElementRemover.hpp
+++ b/dviware/dvisvgm/src/optimizer/RedundantElementRemover.hpp
@@ -2,7 +2,7 @@
** RedundantElementRemover.hpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/SVGOptimizer.cpp b/dviware/dvisvgm/src/optimizer/SVGOptimizer.cpp
index 0320f8b565..b2d45176e7 100644
--- a/dviware/dvisvgm/src/optimizer/SVGOptimizer.cpp
+++ b/dviware/dvisvgm/src/optimizer/SVGOptimizer.cpp
@@ -2,7 +2,7 @@
** SVGOptimizer.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/SVGOptimizer.hpp b/dviware/dvisvgm/src/optimizer/SVGOptimizer.hpp
index 809f1f497c..0da157fbbb 100644
--- a/dviware/dvisvgm/src/optimizer/SVGOptimizer.hpp
+++ b/dviware/dvisvgm/src/optimizer/SVGOptimizer.hpp
@@ -2,7 +2,7 @@
** SVGOptimizer.hpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/TextSimplifier.cpp b/dviware/dvisvgm/src/optimizer/TextSimplifier.cpp
index 23e0e386df..b94ab9458e 100644
--- a/dviware/dvisvgm/src/optimizer/TextSimplifier.cpp
+++ b/dviware/dvisvgm/src/optimizer/TextSimplifier.cpp
@@ -2,7 +2,7 @@
** TextSimplifier.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/TextSimplifier.hpp b/dviware/dvisvgm/src/optimizer/TextSimplifier.hpp
index 86f44e5051..cfdd548e87 100644
--- a/dviware/dvisvgm/src/optimizer/TextSimplifier.hpp
+++ b/dviware/dvisvgm/src/optimizer/TextSimplifier.hpp
@@ -2,7 +2,7 @@
** TextSimplifier.hpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/TransformSimplifier.cpp b/dviware/dvisvgm/src/optimizer/TransformSimplifier.cpp
index b9d4c3db59..461698b62a 100644
--- a/dviware/dvisvgm/src/optimizer/TransformSimplifier.cpp
+++ b/dviware/dvisvgm/src/optimizer/TransformSimplifier.cpp
@@ -2,7 +2,7 @@
** TransformSimplifier.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
@@ -61,7 +61,7 @@ void TransformSimplifier::execute (XMLElement *context) {
/** Tries to incorporate the translation and scaling components of the 'transform' attribute
* of a given element into the positional and/or size attributes of that element. If successful,
- * the 'transform' attribute is removed.
+ * the 'transform' attribute is either removed or simplified to a scale() matrix.
* Currently, only 'image' and 'rect' elements are considered.
* @param[in] elem element to check
* @param[in] matrix matrix representing the 'transform' attribute of the element
@@ -72,17 +72,30 @@ bool TransformSimplifier::incorporateTransform (XMLElement *elem, const Matrix &
double ty = matrix.get(1, 2);
double sx = matrix.get(0, 0);
double sy = matrix.get(1, 1);
+ double x=0, y=0;
+
if (const char *xstr = elem->getAttributeValue("x"))
- tx += sx*strtod(xstr, nullptr);
+ x = strtod(xstr, nullptr);
if (const char *ystr = elem->getAttributeValue("y"))
- ty += sy*strtod(ystr, nullptr);
- if (const char *wstr = elem->getAttributeValue("width"))
- elem->addAttribute("width", sx*strtod(wstr, nullptr));
- if (const char *hstr = elem->getAttributeValue("height"))
- elem->addAttribute("height", sy*strtod(hstr, nullptr));
- elem->addAttribute("x", tx); // update x attribute
- elem->addAttribute("y", ty); // update x attribute
- elem->removeAttribute("transform");
+ y = strtod(ystr, nullptr);
+ // width and height attributes must not become negative. Hence, only apply the scaling
+ // values if they are non-negative. Otherwise, keep a scaling matrix
+ if (sx < 0 || sy < 0) {
+ x += (sx == 0 ? 0 : tx/sx);
+ y += (sy == 0 ? 0 : ty/sy);
+ elem->addAttribute("transform", "scale("+XMLString(sx)+","+XMLString(sy)+")");
+ }
+ else {
+ x = x*sx + tx;
+ y = y*sy + ty;
+ if (const char *wstr = elem->getAttributeValue("width"))
+ elem->addAttribute("width", sx*strtod(wstr, nullptr));
+ if (const char *hstr = elem->getAttributeValue("height"))
+ elem->addAttribute("height", sy*strtod(hstr, nullptr));
+ elem->removeAttribute("transform");
+ }
+ elem->addAttribute("x", x); // update x attribute
+ elem->addAttribute("y", y); // update y attribute
return true;
}
return false;
diff --git a/dviware/dvisvgm/src/optimizer/TransformSimplifier.hpp b/dviware/dvisvgm/src/optimizer/TransformSimplifier.hpp
index c4b6d9ee16..5d503635ba 100644
--- a/dviware/dvisvgm/src/optimizer/TransformSimplifier.hpp
+++ b/dviware/dvisvgm/src/optimizer/TransformSimplifier.hpp
@@ -2,7 +2,7 @@
** TransformSimplifier.hpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/WSNodeRemover.cpp b/dviware/dvisvgm/src/optimizer/WSNodeRemover.cpp
index 2135e285bb..be58bf70fd 100644
--- a/dviware/dvisvgm/src/optimizer/WSNodeRemover.cpp
+++ b/dviware/dvisvgm/src/optimizer/WSNodeRemover.cpp
@@ -2,7 +2,7 @@
** WSNodeRemover.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **
diff --git a/dviware/dvisvgm/src/optimizer/WSNodeRemover.hpp b/dviware/dvisvgm/src/optimizer/WSNodeRemover.hpp
index c4fe7f989e..8c21ce2b6e 100644
--- a/dviware/dvisvgm/src/optimizer/WSNodeRemover.hpp
+++ b/dviware/dvisvgm/src/optimizer/WSNodeRemover.hpp
@@ -2,7 +2,7 @@
** WSNodeRemover.hpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
+** Copyright (C) 2005-2020 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 **