/**************************************************************************** * graphics/nxmu/nx_filltrapezoid.c * * Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #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 ret; int i; #ifdef CONFIG_DEBUG if (!wnd || !wnd->conn || !trap || !color) { errno = EINVAL; return ERROR; } #endif /* Format the fill command */ outmsg.msgid = NX_SVRMSG_FILLTRAP; outmsg.wnd = wnd; if (clip) { nxgl_rectcopy(&outmsg.clip, clip); } else { memset(&outmsg.clip, 0, sizeof(struct nxgl_rect_s)); } nxgl_trapcopy(&outmsg.trap, trap); for (i = 0; i < CONFIG_NX_NPLANES; i++) { outmsg.color[i] = color[i]; } /* Forward the fill command to the server */ ret = mq_send(wnd->conn->cwrmq, &outmsg, sizeof(struct nxsvrmsg_filltrapezoid_s), NX_SVRMSG_PRIO); if (ret < 0) { gdbg("mq_send failed: %d\n", errno); } return ret; }