0a17b87286
Most tools used for compliance and SBOM generation use SPDX identifiers This change brings us a step closer to an easy SBOM generation. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
/****************************************************************************
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* graphics/nxbe/nxbe_isvisible.c
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*
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* SPDX-License-Identifier: Apache-2.0
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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 <stdbool.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/nx/nxglib.h>
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#include "nxbe.h"
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#include "nxmu.h"
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct nxbe_setvisibility_s
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{
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struct nxbe_clipops_s cops;
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bool visible;
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxbe_clipvisible
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****************************************************************************/
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static void nxbe_clipvisible(FAR struct nxbe_clipops_s *cops,
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FAR struct nxbe_plane_s *plane,
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FAR const struct nxgl_rect_s *rect)
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{
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FAR struct nxbe_setvisibility_s *info =
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(FAR struct nxbe_setvisibility_s *)cops;
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info->visible = true;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxbe_isvisible
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*
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* Description:
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* Return true if the point, pt, in window wnd is visible. pt is in
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* absolute screen coordinates
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*
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****************************************************************************/
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bool nxbe_isvisible(FAR struct nxbe_window_s *wnd,
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FAR const struct nxgl_point_s *pos)
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{
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struct nxbe_setvisibility_s info;
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/* Hidden windows are never visible */
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if (NXBE_ISHIDDEN(wnd))
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{
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return false;
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}
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/* Check if the absolute position lies within the window */
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if (!nxgl_rectinside(&wnd->bounds, pos))
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{
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return false;
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}
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/* If this is the top window, then the position is visible */
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if (!wnd->above)
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{
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return true;
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}
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/* The position within the window range, but the window is not at
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* the top. We will have to work harder to determine if the point
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* visible
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*/
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info.cops.visible = nxbe_clipvisible;
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info.cops.obscured = nxbe_clipnull;
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info.visible = false;
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nxbe_clipper(wnd->above, &wnd->bounds, NX_CLIPORDER_DEFAULT,
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&info.cops, &wnd->be->plane[0]);
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return info.visible;
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}
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