/**************************************************************************** * graphics/nxsu/nx_bitmap.c * * Copyright (C) 2008 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 "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) { #ifdef CONFIG_DEBUG if (!hwnd || !dest || !src || !origin) { errno = EINVAL; return ERROR; } #endif nxbe_bitmap((FAR struct nxbe_window_s *)hwnd, dest, src, origin, stride); return OK; }