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/****************************************************************************
* graphics/nxtk/nxtk_filltrapwindow.c
*
* Copyright (C) 2008-2009 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 <stdlib.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxtk.h>
#include "nxfe.h"
#include "nxtk_internal.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxtk_filltrapwindow
*
* Description:
* Fill the specified rectangle in the client window with the specified color
*
* Input Parameters:
* hfwnd - The window handle returned by nxtk_openwindow
* 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 nxtk_filltrapwindow(NXTKWINDOW hfwnd, FAR const struct nxgl_trapezoid_s *trap,
nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
{
FAR struct nxtk_framedwindow_s *fwnd = (FAR struct nxtk_framedwindow_s *)hfwnd;
struct nxgl_rect_s relclip;
struct nxgl_trapezoid_s reltrap;
#ifdef CONFIG_DEBUG
if (!hfwnd || !trap || !color)
{
errno = EINVAL;
return ERROR;
}
#endif
/* Move the trapezoid from window contents area to window area */
nxgl_trapoffset(&reltrap, trap,
fwnd->fwrect.pt1.x - fwnd->wnd.bounds.pt1.x,
fwnd->fwrect.pt1.y - fwnd->wnd.bounds.pt1.y);
/* Perform the fill, clipping to the client window */
nxgl_rectoffset(&relclip, &fwnd->fwrect, -fwnd->wnd.bounds.pt1.x, -fwnd->wnd.bounds.pt1.y);
return nx_filltrapezoid((NXWINDOW)hfwnd, &relclip, &reltrap, color);
}
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