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Diffstat (limited to 'nuttx/graphics/nxmu/nx_bitmap.c')
-rw-r--r-- | nuttx/graphics/nxmu/nx_bitmap.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/nuttx/graphics/nxmu/nx_bitmap.c b/nuttx/graphics/nxmu/nx_bitmap.c new file mode 100644 index 000000000..a86eda96a --- /dev/null +++ b/nuttx/graphics/nxmu/nx_bitmap.c @@ -0,0 +1,130 @@ +/**************************************************************************** + * graphics/nxmu/nx_bitmap.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 <errno.h> +#include <debug.h> + +#include <nuttx/nx/nx.h> + +#include "nxbe.h" +#include "nxfe.h" + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nx_bitmap + * + * Description: + * Copy a rectangular region of a larger image into the rectangle in the + * specified window. + * + * Input Parameters: + * hwnd - The window that will receive the bitmap image + * dest - Describes the rectangular region on the display that will receive the + * the bit map. + * src - The start of the source image. + * origin - The origin of the upper, left-most corner of the full bitmap. + * Both dest and origin are in window coordinates, however, origin + * may lie outside of the display. + * stride - The width of the full source image in pixels. + * + * Return: + * OK on success; ERROR on failure with errno set appropriately + * + ****************************************************************************/ + +int nx_bitmap(NXWINDOW hwnd, FAR const struct nxgl_rect_s *dest, + FAR const void *src[CONFIG_NX_NPLANES], + FAR const struct nxgl_point_s *origin, unsigned int stride) +{ + FAR struct nxbe_window_s *wnd = (FAR struct nxbe_window_s *)hwnd; + struct nxsvrmsg_bitmap_s outmsg; + int i; + +#ifdef CONFIG_DEBUG + if (!wnd || !dest || !src || !origin) + { + errno = EINVAL; + return ERROR; + } +#endif + + /* Format the bitmap command */ + + outmsg.msgid = NX_SVRMSG_BITMAP; + outmsg.wnd = wnd; + outmsg.stride = stride; + + for (i = 0; i < CONFIG_NX_NPLANES; i++) + { + outmsg.src[i] = src[i]; + } + + outmsg.origin.x = origin->x; + outmsg.origin.y = origin->y; + nxgl_rectcopy(&outmsg.dest, dest); + + /* Forward the fill command to the server */ + + return nxmu_sendwindow(wnd, &outmsg, sizeof(struct nxsvrmsg_bitmap_s)); +} |