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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-12-01 15:28:31 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-12-01 15:28:31 +0000 |
commit | db3c14627515ed025cfbe5d2ef70784b995ac5ba (patch) | |
tree | 2533306ae39676f8612da98b1d35dad9394ff904 /nuttx/graphics/nxglib/nxglib_rectinside.c | |
parent | b9cd0d6d5f21cac0ee3a8b3c561ce921d18dd686 (diff) | |
download | px4-nuttx-db3c14627515ed025cfbe5d2ef70784b995ac5ba.tar.gz px4-nuttx-db3c14627515ed025cfbe5d2ef70784b995ac5ba.tar.bz2 px4-nuttx-db3c14627515ed025cfbe5d2ef70784b995ac5ba.zip |
Add vectsubtract() and rectinside()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1371 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/graphics/nxglib/nxglib_rectinside.c')
-rw-r--r-- | nuttx/graphics/nxglib/nxglib_rectinside.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/nuttx/graphics/nxglib/nxglib_rectinside.c b/nuttx/graphics/nxglib/nxglib_rectinside.c new file mode 100644 index 000000000..5d631d533 --- /dev/null +++ b/nuttx/graphics/nxglib/nxglib_rectinside.c @@ -0,0 +1,83 @@ +/**************************************************************************** + * graphics/nxglib/nxsglib_rectinside.c + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/types.h> +#include <nuttx/fb.h> +#include <nuttx/nxglib.h> + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxgl_rectinside + * + * Description: + * Return TRUE if the point pt lies within rect. + * + ****************************************************************************/ + +boolean nxgl_rectinside(FAR const struct nxgl_rect_s *rect, + FAR const struct nxgl_point_s *pt) +{ + return (pt->x >= rect->pt1.x && pt->x <= rect->pt2.x && + pt->x >= rect->pt1.y && pt->y <= rect->pt2.y); +} |