157 lines
5.0 KiB
C
157 lines
5.0 KiB
C
/****************************************************************************
|
|
* graphics/nxbe/nxbe_setpixel.c
|
|
*
|
|
* Copyright (C) 2011, 2016 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* 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 <nuttx/nx/nxglib.h>
|
|
#include <nuttx/nx/nx.h>
|
|
|
|
#include "nxbe.h"
|
|
|
|
/****************************************************************************
|
|
* Private Types
|
|
****************************************************************************/
|
|
|
|
struct nxbe_setpixel_s
|
|
{
|
|
struct nxbe_clipops_s cops;
|
|
nxgl_mxpixel_t color;
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nxbe_clipfill
|
|
*
|
|
* Description:
|
|
* Called from nxbe_clipper() to performed the fill operation on visible portions
|
|
* of the rectangle.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static void nxbe_clipfill(FAR struct nxbe_clipops_s *cops,
|
|
FAR struct nxbe_plane_s *plane,
|
|
FAR const struct nxgl_rect_s *rect)
|
|
{
|
|
struct nxbe_setpixel_s *fillinfo = (struct nxbe_setpixel_s *)cops;
|
|
|
|
/* Set the pixel */
|
|
|
|
plane->setpixel(&plane->pinfo, &rect->pt1, fillinfo->color);
|
|
|
|
#ifdef CONFIG_NX_UPDATE
|
|
/* Notify external logic that the display has been updated */
|
|
|
|
nx_notify_rectangle(&plane->pinfo, rect);
|
|
#endif
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nxbe_setpixel
|
|
*
|
|
* Description:
|
|
* Fill the specified rectangle in the window with the specified color
|
|
*
|
|
* Input Parameters:
|
|
* wnd - The window structure reference
|
|
* rect - The location to be filled
|
|
* col - The color to use in the fill
|
|
*
|
|
* Return:
|
|
* None
|
|
*
|
|
****************************************************************************/
|
|
|
|
void nxbe_setpixel(FAR struct nxbe_window_s *wnd,
|
|
FAR const struct nxgl_point_s *pos,
|
|
nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
|
|
{
|
|
struct nxbe_setpixel_s info;
|
|
struct nxgl_rect_s rect;
|
|
int i;
|
|
|
|
#ifdef CONFIG_DEBUG_FEATURES
|
|
if (!wnd || !pos)
|
|
{
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
/* Offset the position by the window origin */
|
|
|
|
nxgl_vectoradd(&rect.pt1, pos, &wnd->bounds.pt1);
|
|
|
|
/* Make sure that the point is within the limits of the window
|
|
* and of the background screen
|
|
*/
|
|
|
|
if (!nxgl_rectinside(&wnd->bounds, &rect.pt1) ||
|
|
!nxgl_rectinside(&wnd->be->bkgd.bounds, &rect.pt1))
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* Then create a bounding box and render the point if there it
|
|
* is exposed.
|
|
*/
|
|
|
|
rect.pt2.x = rect.pt1.x;
|
|
rect.pt2.y = rect.pt1.y;
|
|
|
|
#if CONFIG_NX_NPLANES > 1
|
|
for (i = 0; i < wnd->be->vinfo.nplanes; i++)
|
|
#else
|
|
i = 0;
|
|
#endif
|
|
{
|
|
info.cops.visible = nxbe_clipfill;
|
|
info.cops.obscured = nxbe_clipnull;
|
|
info.color = color[i];
|
|
|
|
nxbe_clipper(wnd->above, &rect, NX_CLIPORDER_DEFAULT,
|
|
&info.cops, &wnd->be->plane[i]);
|
|
}
|
|
}
|