/**************************************************************************** * graphics/nxglib/nxglib_fillrectangle.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 "nxglib_bitblit.h" /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ #ifndef NXGLIB_SUFFIX # error "NXGLIB_SUFFIX must be defined before including this header file" #endif /**************************************************************************** * Private Types ****************************************************************************/ /**************************************************************************** * Private Data ****************************************************************************/ /**************************************************************************** * Public Data ****************************************************************************/ /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: nxgl_fillrectangle* * * Descripton: * Fill a rectangle region in the framebuffer memory with a fixed color * ****************************************************************************/ void nxgl_fillrectangle##NXGLIB_SUFFIX ( FAR struct fb_planeinfo_s *pinfo, FAR const struct nxgl_rect_s *rect, NX_PIXEL_T color ) { ubyte *line; unsigned int width; unsigned int stride; unsigned int rows; /* Get the width of the framebuffer in bytes */ stride = pinfo->stride; /* Get the dimensions of the rectange to fill in pixels */ width = rect.pt2.x - rect.pt1.x; rows = rect.pt2.y - rect.pt1.y; /* Get the address of the first byte in the first line to write */ line = pinfo->fbmem + rect.pt1.y * stride + NX_SCALEX(rect.pt1.x); /* Then fill the rectangle line-by-line */ while (rows--) { NXGL_MEMSET(line, color, width); line += stride; } }