51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/****************************************************************************
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* libs/libnx/nxglib/nxglib_runoffset.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <fixedmath.h>
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#include <nuttx/nx/nxglib.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxgl_runoffset
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*
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* Description:
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* Offset the run position by the specified (integer) dx, dy values.
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*
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****************************************************************************/
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void nxgl_runoffset(FAR struct nxgl_run_s *dest,
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FAR const struct nxgl_run_s *src,
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nxgl_coord_t dx, nxgl_coord_t dy)
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{
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b16_t b16dx = itob16(dx);
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dest->x1 = src->x1 + b16dx;
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dest->x2 = src->x2 + b16dx;
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dest->y = src->y + dy;
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}
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