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Diffstat (limited to 'src/cairo-box-private.h')
| -rw-r--r-- | src/cairo-box-private.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/cairo-box-private.h b/src/cairo-box-private.h new file mode 100644 index 0000000..3bced99 --- /dev/null +++ b/src/cairo-box-private.h @@ -0,0 +1,75 @@ +/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */ +/* cairo - a vector graphics library with display and print output + * + * Copyright © 2010 Andrea Canciani + * + * 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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, 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. + * + * The Original Code is the cairo graphics library. + * + * Contributor(s): + * Andrea Canciani <ranma42@gmail.com> + */ + +#ifndef CAIRO_BOX_H +#define CAIRO_BOX_H + +#include "cairo-types-private.h" +#include "cairo-compiler-private.h" + +static inline void +_cairo_box_set (cairo_box_t *box, + const cairo_point_t *p1, + const cairo_point_t *p2) +{ + box->p1 = *p1; + box->p2 = *p2; +} + +/* assumes box->p1 is top-left, p2 bottom-right */ +static inline void +_cairo_box_add_point (cairo_box_t *box, + const cairo_point_t *point) +{ + if (point->x < box->p1.x) + box->p1.x = point->x; + else if (point->x > box->p2.x) + box->p2.x = point->x; + + if (point->y < box->p1.y) + box->p1.y = point->y; + else if (point->y > box->p2.y) + box->p2.y = point->y; +} + +/* assumes box->p1 is top-left, p2 bottom-right */ +static inline cairo_bool_t +_cairo_box_contains_point (cairo_box_t *box, + const cairo_point_t *point) +{ + return box->p1.x <= point->x && point->x <= box->p2.x && + box->p1.y <= point->y && point->y <= box->p2.y; +} + +#endif /* CAIRO_BOX_H */ |