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139 lines
5.0 KiB
139 lines
5.0 KiB
/**************************************************************************** |
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* graphics/nxbe/nxbe_redraw.c |
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* |
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* Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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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 "nxfe.h" |
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/**************************************************************************** |
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* Pre-Processor Definitions |
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****************************************************************************/ |
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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 Data |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Data |
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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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nxfe_redrawreq(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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* Descripton: |
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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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