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Add logic to set individual pixels 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4047 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2011-10-14 16:58:44 +00:00
parent 0ed51b67d0
commit 918dda30d9
12 changed files with 471 additions and 16 deletions
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2
nuttx/graphics/nxbe/Make.defs
View File

@ -35,7 +35,7 @@
NXBE_ASRCS =
NXBE_CSRCS = nxbe_configure.c nxbe_colormap.c nxbe_clipper.c \
nxbe_closewindow.c \
nxbe_closewindow.c nxbe_setpixel.c \
nxbe_setposition.c nxbe_setsize.c nxbe_raise.c nxbe_lower.c \
nxbe_fill.c nxbe_filltrapezoid.c nxbe_move.c nxbe_bitmap.c \
nxbe_redraw.c nxbe_redrawbelow.c nxbe_visible.c

28
nuttx/graphics/nxbe/nxbe.h
View File

@ -1,8 +1,8 @@
/****************************************************************************
* graphics/nxbe/nxbe.h
*
* Copyright (C) 2008-2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
* Copyright (C) 2008-2011 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
@ -84,6 +84,9 @@ struct nxbe_plane_s
{
/* Raster operation callbacks for this bits-per-pixel value */
void (*setpixel)(FAR NX_PLANEINFOTYPE *pinfo,
FAR const struct nxgl_point_s *pos,
nxgl_mxpixel_t color);
void (*fillrectangle)(FAR NX_PLANEINFOTYPE *pinfo,
FAR const struct nxgl_rect_s *rect,
nxgl_mxpixel_t color);
@ -287,6 +290,27 @@ EXTERN void nxbe_raise(FAR struct nxbe_window_s *wnd);
EXTERN void nxbe_lower(FAR struct nxbe_window_s *wnd);
/****************************************************************************
* Name: nxbe_setpixel
*
* Description:
* Set a single pixel in the window to the specified color. This is simply
* a degenerate case of nxbe_fill(), but may be optimized in some architectures.
*
* Input Parameters:
* wnd - The window structure reference
* pos - The pixel location to be set
* col - The color to use in the set
*
* Return:
* None
*
****************************************************************************/
EXTERN void nxbe_setpixel(FAR struct nxbe_window_s *wnd,
FAR const struct nxgl_point_s *pos,
nxgl_mxpixel_t color[CONFIG_NX_NPLANES]);
/****************************************************************************
* Name: nxbe_fill
*

9
nuttx/graphics/nxbe/nxbe_configure.c
View File

@ -2,7 +2,7 @@
* graphics/nxbe/nxbe_configure.c
*
* Copyright (C) 2008-2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
* 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
@ -129,6 +129,7 @@ int nxbe_configure(FAR NX_DRIVERTYPE *dev, FAR struct nxbe_state_s *be)
#ifndef CONFIG_NX_DISABLE_1BPP
if (be->plane[i].pinfo.bpp == 1)
{
be->plane[i].setpixel = nxgl_setpixel_1bpp;
be->plane[i].fillrectangle = nxgl_fillrectangle_1bpp;
be->plane[i].filltrapezoid = nxgl_filltrapezoid_1bpp;
be->plane[i].moverectangle = nxgl_moverectangle_1bpp;
@ -139,6 +140,7 @@ int nxbe_configure(FAR NX_DRIVERTYPE *dev, FAR struct nxbe_state_s *be)
#ifndef CONFIG_NX_DISABLE_2BPP
if (be->plane[i].pinfo.bpp == 2)
{
be->plane[i].setpixel = nxgl_setpixel_2bpp;
be->plane[i].fillrectangle = nxgl_fillrectangle_2bpp;
be->plane[i].filltrapezoid = nxgl_filltrapezoid_2bpp;
be->plane[i].moverectangle = nxgl_moverectangle_2bpp;
@ -149,6 +151,7 @@ int nxbe_configure(FAR NX_DRIVERTYPE *dev, FAR struct nxbe_state_s *be)
#ifndef CONFIG_NX_DISABLE_4BPP
if (be->plane[i].pinfo.bpp == 4)
{
be->plane[i].setpixel = nxgl_setpixel_4bpp;
be->plane[i].fillrectangle = nxgl_fillrectangle_4bpp;
be->plane[i].filltrapezoid = nxgl_filltrapezoid_4bpp;
be->plane[i].moverectangle = nxgl_moverectangle_4bpp;
@ -159,6 +162,7 @@ int nxbe_configure(FAR NX_DRIVERTYPE *dev, FAR struct nxbe_state_s *be)
#ifndef CONFIG_NX_DISABLE_8BPP
if (be->plane[i].pinfo.bpp == 8)
{
be->plane[i].setpixel = nxgl_setpixel_8bpp;
be->plane[i].fillrectangle = nxgl_fillrectangle_8bpp;
be->plane[i].filltrapezoid = nxgl_filltrapezoid_8bpp;
be->plane[i].moverectangle = nxgl_moverectangle_8bpp;
@ -169,6 +173,7 @@ int nxbe_configure(FAR NX_DRIVERTYPE *dev, FAR struct nxbe_state_s *be)
#ifndef CONFIG_NX_DISABLE_16BPP
if (be->plane[i].pinfo.bpp == 16)
{
be->plane[i].setpixel = nxgl_setpixel_16bpp;
be->plane[i].fillrectangle = nxgl_fillrectangle_16bpp;
be->plane[i].filltrapezoid = nxgl_filltrapezoid_16bpp;
be->plane[i].moverectangle = nxgl_moverectangle_16bpp;
@ -179,6 +184,7 @@ int nxbe_configure(FAR NX_DRIVERTYPE *dev, FAR struct nxbe_state_s *be)
#ifndef CONFIG_NX_DISABLE_24BPP
if (be->plane[i].pinfo.bpp == 24)
{
be->plane[i].setpixel = nxgl_setpixel_24bpp;
be->plane[i].fillrectangle = nxgl_fillrectangle_24bpp;
be->plane[i].filltrapezoid = nxgl_filltrapezoid_24bpp;
be->plane[i].moverectangle = nxgl_moverectangle_24bpp;
@ -189,6 +195,7 @@ int nxbe_configure(FAR NX_DRIVERTYPE *dev, FAR struct nxbe_state_s *be)
#ifndef CONFIG_NX_DISABLE_32BPP
if (be->plane[i].pinfo.bpp == 32)
{
be->plane[i].setpixel = nxgl_setpixel_32bpp;
be->plane[i].fillrectangle = nxgl_fillrectangle_32bpp;
be->plane[i].filltrapezoid = nxgl_filltrapezoid_32bpp;
be->plane[i].moverectangle = nxgl_moverectangle_32bpp;

158
nuttx/graphics/nxbe/nxbe_setpixel.c Normal file
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@ -0,0 +1,158 @@
/****************************************************************************
* graphics/nxbe/nxbe_setpixel.c
*
* Copyright (C) 2011 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 "nxbe.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
struct nxbe_setpixel_s
{
struct nxbe_clipops_s cops;
nxgl_mxpixel_t color;
};
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* 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;
plane->setpixel(&plane->pinfo, &rect->pt1, fillinfo->color);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxbe_fill
*
* 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
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]);
}
}

9
nuttx/graphics/nxmu/Make.defs
View File

@ -1,8 +1,8 @@
############################################################################
# graphics/nxmu/Make.defs
#
# Copyright (C) 2008 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
# Copyright (C) 2008, 2011 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
@ -38,8 +38,9 @@ NXAPI_CSRCS = nx_bitmap.c nx_closewindow.c nx_connect.c nx_disconnect.c \
nx_eventhandler.c nx_eventnotify.c nx_fill.c nx_filltrapezoid.c \
nx_getposition.c nx_kbdchin.c nx_kbdin.c nx_lower.c \
nx_mousein.c nx_move.c nx_openwindow.c nx_raise.c \
nx_releasebkgd.c nx_requestbkgd.c nx_setsize.c nx_setbgcolor.c \
nx_setposition.c nx_drawcircle.c nx_drawline.c nx_fillcircle.c
nx_releasebkgd.c nx_requestbkgd.c nx_setpixel.c nx_setsize.c \
nx_setbgcolor.c nx_setposition.c nx_drawcircle.c nx_drawline.c
nx_fillcircle.c
NXMU_CSRCS = nxmu_constructwindow.c nxmu_kbdin.c nxmu_mouse.c \
nxmu_openwindow.c nxmu_redrawreq.c nxmu_releasebkgd.c \
nxmu_requestbkgd.c nxmu_reportposition.c nxmu_semtake.c \

123
nuttx/graphics/nxmu/nx_setpixel.c Normal file
View File

@ -0,0 +1,123 @@
/****************************************************************************
* graphics/nxmu/nx_setpixel.c
*
* Copyright (C) 2011 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 <mqueue.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/nx/nxglib.h>
#include <nuttx/nx/nx.h>
#include "nxfe.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nx_setpixel
*
* Description:
* Set a single pixel in the window to the specified color. This is simply
* a degenerate case of nx_fill(), but may be optimized in some architectures.
*
* Input Parameters:
* wnd - The window structure reference
* pos - The pixel location to be set
* col - The color to use in the set
*
* Return:
* None
*
****************************************************************************/
void nx_setpixel(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
{
FAR struct nxbe_window_s *wnd = (FAR struct nxbe_window_s *)hwnd;
struct nxsvrmsg_setpixel_s outmsg;
int ret;
#ifdef CONFIG_DEBUG
if (!wnd || !wnd->conn || !pos || !color)
{
errno = EINVAL;
return ERROR;
}
#endif
/* Format the fill command */
outmsg.msgid = NX_SVRMSG_SETPIXEL;
outmsg.wnd = wnd;
nxgl_vectcopy(&outmsg.pos, pos);
nxgl_colorcopy(outmsg.color, color);
/* Forward the fill command to the server */
ret = mq_send(wnd->conn->cwrmq, &outmsg, sizeof(struct nxsvrmsg_setpixel_s), NX_SVRMSG_PRIO);
if (ret < 0)
{
gdbg("mq_send failed: %d\n", errno);
}
return ret;
}

13
nuttx/graphics/nxmu/nxfe.h
View File

@ -2,7 +2,7 @@
* graphics/nxmu/nxfe.h
*
* Copyright (C) 2008-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
* 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
@ -160,6 +160,7 @@ enum nxmsg_e
NX_SVRMSG_GETPOSITION, /* Get the current window position and size */
NX_SVRMSG_RAISE, /* Move the window to the top */
NX_SVRMSG_LOWER, /* Move the window to the bottom */
NX_SVRMSG_SETPIXEL, /* Set a single pixel in the window with a color */
NX_SVRMSG_FILL, /* Fill a rectangle in the window with a color */
NX_SVRMSG_FILLTRAP, /* Fill a trapezoidal region in the window with a color */
NX_SVRMSG_MOVE, /* Move a rectangular region within the window */
@ -334,6 +335,16 @@ struct nxsvrmsg_lower_s
FAR struct nxbe_window_s *wnd; /* The window to be lowered */
};
/* Set a single pixel in the window with a color */
struct nxsvrmsg_setpixel_s
{
uint32_t msgid; /* NX_SVRMSG_SETPIXEL */
FAR struct nxbe_window_s *wnd; /* The window to fill */
struct nxgl_point_s pos; /* The position of the pixel in the window */
nxgl_mxpixel_t color[CONFIG_NX_NPLANES]; /* Color to use in the fill */
};
/* Fill a rectangle in the window with a color */
struct nxsvrmsg_fill_s

9
nuttx/graphics/nxmu/nxmu_server.c
View File

@ -2,7 +2,7 @@
* graphics/nxmu/nxmu_server.c
*
* Copyright (C) 2008-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
* 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
@ -433,6 +433,13 @@ int nx_runinstance(FAR const char *mqname, FAR NX_DRIVERTYPE *dev)
}
break;
case NX_SVRMSG_SETPIXEL: /* Set a single pixel in the window with a color */
{
FAR struct nxsvrmsg_setpixel_s *setmsg = (FAR struct nxsvrmsg_fill_s *)buffer;
nxbe_setpixel(fillmsg->wnd, &setmsg->pos, setmsg->color);
}
break;
case NX_SVRMSG_FILL: /* Fill a rectangular region in the window with a color */
{
FAR struct nxsvrmsg_fill_s *fillmsg = (FAR struct nxsvrmsg_fill_s *)buffer;

8
nuttx/graphics/nxsu/Make.defs
View File

@ -1,8 +1,8 @@
############################################################################
# graphics/nxsu/Make.defs
#
# Copyright (C) 2008 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
# Copyright (C) 2008, 2011 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
@ -38,7 +38,7 @@ NXAPI_CSRCS = nx_bitmap.c nx_close.c nx_closewindow.c nx_fill.c \
nx_filltrapezoid.c nx_getposition.c nx_kbdchin.c \
nx_kbdin.c nx_lower.c nx_mousein.c nx_move.c nx_open.c \
nx_openwindow.c nx_raise.c nx_releasebkgd.c nx_requestbkgd.c \
nx_setsize.c nx_setbgcolor.c nx_setposition.c nx_drawcircle.c \
nx_drawline.c nx_fillcircle.c
nx_setpixel.c nx_setsize.c nx_setbgcolor.c nx_setposition.c \
nx_drawcircle.c nx_drawline.c nx_fillcircle.c
NXSU_CSRCS = nxsu_constructwindow.c nxsu_redrawreq.c nxsu_reportposition.c
NX_CSRCS = $(NXAPI_CSRCS) $(NXSU_CSRCS)

104
nuttx/graphics/nxsu/nx_setpixel.c Normal file
View File

@ -0,0 +1,104 @@
/****************************************************************************
* graphics/nxsu/nx_setpixel.c
*
* Copyright (C) 2008-2011 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 <mqueue.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/nx/nx.h>
#include "nxfe.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nx_setpixel
*
* Description:
* Set a single pixel in the window to the specified color. This is simply
* a degenerate case of nx_fill(), but may be optimized in some architectures.
*
* Input Parameters:
* wnd - The window structure reference
* pos - The pixel location to be set
* col - The color to use in the set
*
* Return:
* None
*
****************************************************************************/
int nx_setpixel(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
{
#ifdef CONFIG_DEBUG
if (!hwnd || !pos || !color)
{
errno = EINVAL;
return ERROR;
}
#endif
nxbe_setpixel((FAR struct nxbe_window_s *)hwnd, pos, color);
return 0;
}

22
nuttx/include/nuttx/nx/nx.h
View File

@ -2,7 +2,7 @@
* include/nuttx/nx/nx.h
*
* Copyright (C) 2008-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
* 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
@ -574,6 +574,26 @@ EXTERN int nx_raise(NXWINDOW hwnd);
EXTERN int nx_lower(NXWINDOW hwnd);
/****************************************************************************
* Name: nx_setpixel
*
* Description:
* Set a single pixel in the window to the specified color. This is simply
* a degenerate case of nx_fill(), but may be optimized in some architectures.
*
* Input Parameters:
* wnd - The window structure reference
* pos - The pixel location to be set
* col - The color to use in the set
*
* Return:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
EXTERN int nx_setpixel(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
nxgl_mxpixel_t color[CONFIG_NX_NPLANES]);
/****************************************************************************
* Name: nx_fill
*

2
nuttx/include/nuttx/nx/nxglib.h
View File

@ -2,7 +2,7 @@
* include/nuttx/nx/nxglib.h
*
* Copyright (C) 2008-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
* 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