forked from Archive/PX4-Autopilot
140 lines
5.0 KiB
C
140 lines
5.0 KiB
C
/****************************************************************************
|
|
* graphics/nxbe/nxbe_redraw.c
|
|
*
|
|
* Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <errno.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/nx/nxglib.h>
|
|
|
|
#include "nxbe.h"
|
|
#include "nxfe.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-Processor Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Private Types
|
|
****************************************************************************/
|
|
|
|
struct nxbe_redraw_s
|
|
{
|
|
struct nxbe_clipops_s cops;
|
|
FAR struct nxbe_window_s *wnd;
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* 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)
|
|
{
|
|
nxfe_redrawreq(wnd, rect);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nxbe_redraw
|
|
*
|
|
* Descripton:
|
|
* 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
|
|
}
|
|
}
|