113 lines
3.7 KiB
C
113 lines
3.7 KiB
C
/****************************************************************************
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* graphics/nxbe/nxbe_redraw.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 <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_redraw_s
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{
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struct nxbe_clipops_s cops;
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FAR struct nxbe_window_s *wnd;
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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_clipredraw
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****************************************************************************/
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static void nxbe_clipredraw(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_window_s *wnd = ((struct nxbe_redraw_s *)cops)->wnd;
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if (wnd)
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{
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nxmu_redraw(wnd, rect);
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}
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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_redraw
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*
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* Description:
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* Re-draw the visible portions of the rectangular region for the
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* specified window
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*
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****************************************************************************/
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void nxbe_redraw(FAR struct nxbe_state_s *be,
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FAR struct nxbe_window_s *wnd,
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FAR const struct nxgl_rect_s *rect)
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{
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struct nxbe_redraw_s info;
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struct nxgl_rect_s remaining;
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#if CONFIG_NX_NPLANES > 1
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int i;
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#endif
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/* Clip to the limits of the window and of the background screen */
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nxgl_rectintersect(&remaining, rect, &be->bkgd.bounds);
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nxgl_rectintersect(&remaining, &remaining, &wnd->bounds);
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if (!nxgl_nullrect(&remaining))
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{
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/* Now, request to re-draw any visible rectangular regions not obscured
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* by windows above this one.
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*/
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info.cops.visible = nxbe_clipredraw;
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info.cops.obscured = nxbe_clipnull;
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info.wnd = wnd;
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#if CONFIG_NX_NPLANES > 1
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for (i = 0; i < be->vinfo.nplanes; i++)
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{
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nxbe_clipper(wnd->above, &remaining, NX_CLIPORDER_DEFAULT,
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&info.cops, &be->plane[i]);
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}
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#else
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nxbe_clipper(wnd->above, &remaining, NX_CLIPORDER_DEFAULT,
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&info.cops, &be->plane[0]);
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#endif
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}
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}
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