123 lines
4.0 KiB
C
123 lines
4.0 KiB
C
/****************************************************************************
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* libnx/nxmu/nx_filltrapezoid.c
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*
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* Copyright (C) 2008-2009, 2011-2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <string.h>
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#include <mqueue.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/nx/nx.h>
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#include <nuttx/nx/nxbe.h>
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#include <nuttx/nx/nxmu.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nx_filltrapezoid
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*
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* Description:
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* Fill the specified trapezoidal region in the window with the specified color
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*
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* Input Parameters:
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* hwnd - The window handle
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* clip - Clipping region (may be null)
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* trap - The trapezoidal region to be filled
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* color - The color to use in the fill
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*
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* Return:
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* OK on success; ERROR on failure with errno set appropriately
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*
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****************************************************************************/
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int nx_filltrapezoid(NXWINDOW hwnd, FAR const struct nxgl_rect_s *clip,
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FAR const struct nxgl_trapezoid_s *trap,
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nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
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{
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FAR struct nxbe_window_s *wnd = (FAR struct nxbe_window_s *)hwnd;
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struct nxsvrmsg_filltrapezoid_s outmsg;
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int i;
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/* Some debug-only sanity checks */
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#ifdef CONFIG_DEBUG_FEATURES
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if (!wnd || !trap || !color)
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{
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set_errno(EINVAL);
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return ERROR;
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}
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#endif
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/* Format the fill command */
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outmsg.msgid = NX_SVRMSG_FILLTRAP;
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outmsg.wnd = wnd;
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/* If no clipping window was provided, then use the size of the entire window */
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if (clip)
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{
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nxgl_rectcopy(&outmsg.clip, clip);
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}
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else
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{
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nxgl_rectcopy(&outmsg.clip, &wnd->bounds);
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}
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/* Copy the trapezod and the color into the message */
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nxgl_trapcopy(&outmsg.trap, trap);
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#if CONFIG_NX_NPLANES > 1
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for (i = 0; i < CONFIG_NX_NPLANES; i++)
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#else
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i = 0;
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#endif
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{
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outmsg.color[i] = color[i];
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}
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/* Forward the trapezoid fill command to the server */
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return nxmu_sendwindow(wnd, &outmsg, sizeof(struct nxsvrmsg_filltrapezoid_s));
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}
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