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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/3rdparty/libdepixelize/priv/point.h | |
parent | Initial commit. (diff) | |
download | inkscape-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>
Diffstat (limited to '')
-rw-r--r-- | src/3rdparty/libdepixelize/priv/point.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/3rdparty/libdepixelize/priv/point.h b/src/3rdparty/libdepixelize/priv/point.h new file mode 100644 index 0000000..53babd9 --- /dev/null +++ b/src/3rdparty/libdepixelize/priv/point.h @@ -0,0 +1,112 @@ +/* This file is part of the libdepixelize project + Copyright (C) 2013 VinÃcius 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_POINT_H +#define LIBDEPIXELIZE_TRACER_POINT_H + +namespace Tracer { + +template<class T> +struct Point +{ + Point() : smooth(false), visible(true) {} + Point(T x, T y) : smooth(false), visible(true), x(x), y(y) {} + Point(T x, T y, bool smooth) : smooth(smooth), visible(true), x(x), y(y) {} + + Point operator+(const Point &rhs) const + { + return Point(x + rhs.x, y + rhs.y); + } + + Point operator/(T foo) const + { + return Point(x / foo, y / foo); + } + + Point invisible() const + { + Point p = *this; + p.visible = false; + return p; + } + + bool smooth; + + /** + * By default, all points are visible, but the poor amount of information + * that B-Splines (libdepixelize-specific) allows us to represent forces us + * to create additional points. But... these additional points don't need to + * be visible. + */ + bool visible; + + T x, y; +}; + +template<class T> +Point<T> midpoint(const Point<T> &a, const Point<T> &b) +{ + return Point<T>((a.x + b.x) / 2, (a.y + b.y) / 2); +} + +template<class T> +bool operator==(const Point<T> &lhs, const Point<T> &rhs) +{ + return + /* + * Will make a better job identifying which points can be eliminated by + * cells union. + */ +#ifndef LIBDEPIXELIZE_IS_VERY_WELL_TESTED + lhs.smooth == rhs.smooth && +#endif // LIBDEPIXELIZE_IS_VERY_WELL_TESTED + lhs.x == rhs.x && lhs.y == rhs.y; +} + +template<class T> +bool weakly_equal(const Point<T> &a, const Point<T> &b) +{ + return a.x == b.x && a.y == b.y; +} + +template<class T> +Geom::Point to_geom_point(Point<T> p) +{ + return Geom::Point(p.x, p.y); +} + +} // namespace Tracer + +#endif // LIBDEPIXELIZE_TRACER_POINT_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 : |