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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 11:57:42 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 11:57:42 +0000 |
commit | 61f3ab8f23f4c924d455757bf3e65f8487521b5a (patch) | |
tree | 885599a36a308f422af98616bc733a0494fe149a /include/2geom/cairo-path-sink.h | |
parent | Initial commit. (diff) | |
download | lib2geom-61f3ab8f23f4c924d455757bf3e65f8487521b5a.tar.xz lib2geom-61f3ab8f23f4c924d455757bf3e65f8487521b5a.zip |
Adding upstream version 1.3.upstream/1.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/2geom/cairo-path-sink.h')
-rw-r--r-- | include/2geom/cairo-path-sink.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/include/2geom/cairo-path-sink.h b/include/2geom/cairo-path-sink.h new file mode 100644 index 0000000..3f7a044 --- /dev/null +++ b/include/2geom/cairo-path-sink.h @@ -0,0 +1,91 @@ +/** + * @file + * @brief Path sink for Cairo contexts + *//* + * Copyright 2014 Krzysztof KosiĆski + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + * + */ + +#ifndef LIB2GEOM_SEEN_CAIRO_PATH_SINK_H +#define LIB2GEOM_SEEN_CAIRO_PATH_SINK_H + +#ifdef HAVE_CAIRO + +#include <2geom/path-sink.h> +#include <cairo.h> + +namespace Geom { + + +/** @brief Output paths to a Cairo drawing context + * + * This class converts from 2Geom path representation to the Cairo representation. + * Use it to simplify visualizing the results of 2Geom operations with the Cairo library, + * for example: + * @code + * CairoPathSink sink(cr); + * sink.feed(pv); + * cairo_stroke(cr); + * @endcode + * + * Currently the flush method is a no-op, but this is not guaranteed + * to hold forever. + */ +class CairoPathSink + : public PathSink +{ +public: + CairoPathSink(cairo_t *cr); + + void moveTo(Point const &p) override; + void lineTo(Point const &p) override; + void curveTo(Point const &c0, Point const &c1, Point const &p) override; + void quadTo(Point const &c, Point const &p) override; + void arcTo(Coord rx, Coord ry, Coord angle, + bool large_arc, bool sweep, Point const &p) override; + void closePath() override; + void flush() override; + +private: + cairo_t *_cr; + Point _current_point; +}; + +} + +#endif + +#endif // !LIB2GEOM_SEEN_CAIRO_PATH_SINK_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:fileencoding=utf-8:textwidth=99 : |