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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
commitcca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch)
tree146f39ded1c938019e1ed42d30923c2ac9e86789 /src/3rdparty/libdepixelize/priv/iterator.h
parentInitial commit. (diff)
downloadinkscape-upstream.tar.xz
inkscape-upstream.zip
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/src/3rdparty/libdepixelize/priv/iterator.h b/src/3rdparty/libdepixelize/priv/iterator.h
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+/* This file is part of the libdepixelize project
+ Copyright (C) 2013 Vinícius dos Santos Oliveira <vini.ipsmaker@gmail.com>
+
+ GNU Lesser General Public License Usage
+ This library is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by the
+ Free Software Foundation; either version 2.1 of the License, or (at your
+ option) any later version.
+ You should have received a copy of the GNU Lesser General Public License
+ along with this library. If not, see <http://www.gnu.org/licenses/>.
+
+ GNU General Public License Usage
+ Alternatively, this library may be used under the terms of the GNU General
+ Public License as published by the Free Software Foundation, either version
+ 2 of the License, or (at your option) any later version.
+ You should have received a copy of the GNU General Public License along with
+ this library. If not, see <http://www.gnu.org/licenses/>.
+
+ This library 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
+ Lesser General Public License for more details.
+*/
+
+#ifndef LIBDEPIXELIZE_TRACER_ITERATOR_H
+#define LIBDEPIXELIZE_TRACER_ITERATOR_H
+
+#include <vector>
+#include <iterator>
+
+namespace Tracer {
+
+template<typename T>
+const T *to_ptr(typename std::vector<T>::const_iterator it)
+{
+ return &*it;
+}
+
+template<typename T>
+T *to_ptr(typename std::vector<T>::iterator it)
+{
+ return &*it;
+}
+
+template<typename T>
+typename std::vector<T>::const_iterator to_iterator(T const *ptr,
+ typename std::vector<T>
+ ::const_iterator begin)
+{
+ typedef typename std::vector<T>::const_iterator It;
+ typedef typename std::iterator_traits<It>::difference_type difference_type;
+ difference_type idx = ptr - to_ptr<T>(begin);
+ return begin + idx;
+}
+
+template<typename T>
+typename std::vector<T>::iterator to_iterator(T *ptr,
+ typename std::vector<T>::iterator
+ begin)
+{
+ typedef typename std::vector<T>::iterator It;
+ typedef typename std::iterator_traits<It>::difference_type difference_type;
+ difference_type idx = ptr - to_ptr<T>(begin);
+ return begin + idx;
+}
+
+template<typename T>
+class ToIter
+{
+public:
+ typedef typename std::vector<T>::const_iterator const_iterator;
+ typedef typename std::vector<T>::iterator iterator;
+
+ ToIter(const_iterator begin) :
+ begin(begin)
+ {}
+
+ const_iterator operator()(T const *ptr) const
+ {
+ return to_iterator<T>(ptr, begin);
+ }
+
+ iterator operator()(T *ptr) const
+ {
+ return to_iterator<T>(ptr, begin);
+ }
+
+private:
+ typename std::vector<T>::const_iterator begin;
+};
+
+template<typename T>
+class ToPtr
+{
+public:
+ typedef typename std::vector<T>::const_iterator const_iterator;
+ typedef typename std::vector<T>::iterator iterator;
+
+ const T *operator()(const_iterator it) const
+ {
+ return to_ptr<T>(it);
+ }
+
+ T *operator()(iterator it) const
+ {
+ return to_ptr<T>(it);
+ }
+};
+
+} // namespace Tracer
+
+#endif // LIBDEPIXELIZE_TRACER_ITERATOR_H
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :