incubator-nuttx/libs/libnx/nxglib/nxglib_intersecting.c

51 lines
2.0 KiB
C

/****************************************************************************
* libs/libnx/nxglib/nxglib_intersecting.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdbool.h>
#include <nuttx/nx/nxglib.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxgl_intersecting
*
* Description:
* Return true if the rectangles intersect.
*
****************************************************************************/
bool nxgl_intersecting(FAR const struct nxgl_rect_s *rect1,
FAR const struct nxgl_rect_s *rect2)
{
return ((ngl_max(rect1->pt1.x, rect2->pt1.x) <=
ngl_min(rect1->pt2.x, rect2->pt2.x)) &&
(ngl_max(rect1->pt1.y, rect2->pt1.y) <=
ngl_min(rect1->pt2.y, rect2->pt2.y)));
}