51 lines
2.0 KiB
C
51 lines
2.0 KiB
C
/****************************************************************************
|
|
* libs/libnx/nxglib/nxglib_rectunion.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 <nuttx/nx/nxglib.h>
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nxgl_rectunion
|
|
*
|
|
* Description:
|
|
* Given two rectanges, src1 and src2, return the larger rectangle that
|
|
* contains both, dest.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void nxgl_rectunion(FAR struct nxgl_rect_s *dest,
|
|
FAR const struct nxgl_rect_s *src1,
|
|
FAR const struct nxgl_rect_s *src2)
|
|
{
|
|
dest->pt1.x = ngl_min(src1->pt1.x, src2->pt1.x);
|
|
dest->pt1.y = ngl_min(src1->pt1.y, src2->pt1.y);
|
|
dest->pt2.x = ngl_max(src1->pt2.x, src2->pt2.x);
|
|
dest->pt2.y = ngl_max(src1->pt2.y, src2->pt2.y);
|
|
}
|