nuttx/graphics/nxbe/nxbe_redraw.c
Alin Jerpelea 0a17b87286 graphics: migrate to SPDX identifier
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>
2024-09-10 22:54:31 +08:00

115 lines
3.7 KiB
C

/****************************************************************************
* graphics/nxbe/nxbe_redraw.c
*
* SPDX-License-Identifier: Apache-2.0
*
* 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 <errno.h>
#include <debug.h>
#include <nuttx/nx/nxglib.h>
#include "nxbe.h"
#include "nxmu.h"
/****************************************************************************
* Private Types
****************************************************************************/
struct nxbe_redraw_s
{
struct nxbe_clipops_s cops;
FAR struct nxbe_window_s *wnd;
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxbe_clipredraw
****************************************************************************/
static void nxbe_clipredraw(FAR struct nxbe_clipops_s *cops,
FAR struct nxbe_plane_s *plane,
FAR const struct nxgl_rect_s *rect)
{
FAR struct nxbe_window_s *wnd = ((struct nxbe_redraw_s *)cops)->wnd;
if (wnd)
{
nxmu_redraw(wnd, rect);
}
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxbe_redraw
*
* Description:
* Re-draw the visible portions of the rectangular region for the
* specified window
*
****************************************************************************/
void nxbe_redraw(FAR struct nxbe_state_s *be,
FAR struct nxbe_window_s *wnd,
FAR const struct nxgl_rect_s *rect)
{
struct nxbe_redraw_s info;
struct nxgl_rect_s remaining;
#if CONFIG_NX_NPLANES > 1
int i;
#endif
/* Clip to the limits of the window and of the background screen */
nxgl_rectintersect(&remaining, rect, &be->bkgd.bounds);
nxgl_rectintersect(&remaining, &remaining, &wnd->bounds);
if (!nxgl_nullrect(&remaining))
{
/* Now, request to re-draw any visible rectangular regions not obscured
* by windows above this one.
*/
info.cops.visible = nxbe_clipredraw;
info.cops.obscured = nxbe_clipnull;
info.wnd = wnd;
#if CONFIG_NX_NPLANES > 1
for (i = 0; i < be->vinfo.nplanes; i++)
{
nxbe_clipper(wnd->above, &remaining, NX_CLIPORDER_DEFAULT,
&info.cops, &be->plane[i]);
}
#else
nxbe_clipper(wnd->above, &remaining, NX_CLIPORDER_DEFAULT,
&info.cops, &be->plane[0]);
#endif
}
}