diff options
Diffstat (limited to 'nuttx/graphics/nxmu/nx_filltrapezoid.c')
-rw-r--r-- | nuttx/graphics/nxmu/nx_filltrapezoid.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/nuttx/graphics/nxmu/nx_filltrapezoid.c b/nuttx/graphics/nxmu/nx_filltrapezoid.c new file mode 100644 index 000000000..bf289179e --- /dev/null +++ b/nuttx/graphics/nxmu/nx_filltrapezoid.c @@ -0,0 +1,142 @@ +/**************************************************************************** + * 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)); +} |