forked from Archive/PX4-Autopilot
143 lines
4.8 KiB
C
143 lines
4.8 KiB
C
/****************************************************************************
|
|
* graphics/nxmu/nx_filltrapezoid.c
|
|
*
|
|
* Copyright (C) 2008-2009, 2011-2012 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 <string.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_filltrapezoid
|
|
*
|
|
* Description:
|
|
* Fill the specified trapezoidal region in the window with the specified color
|
|
*
|
|
* Input Parameters:
|
|
* hwnd - The window handle
|
|
* clip - Clipping region (may be null)
|
|
* trap - The trapezoidal region to be filled
|
|
* color - The color to use in the fill
|
|
*
|
|
* Return:
|
|
* OK on success; ERROR on failure with errno set appropriately
|
|
*
|
|
****************************************************************************/
|
|
|
|
int nx_filltrapezoid(NXWINDOW hwnd, FAR const struct nxgl_rect_s *clip,
|
|
FAR const struct nxgl_trapezoid_s *trap,
|
|
nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
|
|
{
|
|
FAR struct nxbe_window_s *wnd = (FAR struct nxbe_window_s *)hwnd;
|
|
struct nxsvrmsg_filltrapezoid_s outmsg;
|
|
int i;
|
|
|
|
/* Some debug-only sanity checks */
|
|
|
|
#ifdef CONFIG_DEBUG
|
|
if (!wnd || !trap || !color)
|
|
{
|
|
errno = EINVAL;
|
|
return ERROR;
|
|
}
|
|
#endif
|
|
|
|
/* Format the fill command */
|
|
|
|
outmsg.msgid = NX_SVRMSG_FILLTRAP;
|
|
outmsg.wnd = wnd;
|
|
|
|
/* If no clipping window was provided, then use the size of the entire window */
|
|
|
|
if (clip)
|
|
{
|
|
nxgl_rectcopy(&outmsg.clip, clip);
|
|
}
|
|
else
|
|
{
|
|
nxgl_rectcopy(&outmsg.clip, &wnd->bounds);
|
|
}
|
|
|
|
/* Copy the trapezod and the color into the message */
|
|
|
|
nxgl_trapcopy(&outmsg.trap, trap);
|
|
|
|
#if CONFIG_NX_NPLANES > 1
|
|
for (i = 0; i < CONFIG_NX_NPLANES; i++)
|
|
#else
|
|
i = 0;
|
|
#endif
|
|
{
|
|
outmsg.color[i] = color[i];
|
|
}
|
|
|
|
/* Forward the trapezoid fill command to the server */
|
|
|
|
return nxmu_sendwindow(wnd, &outmsg, sizeof(struct nxsvrmsg_filltrapezoid_s));
|
|
}
|