nuttx/graphics/nxglib/lcd/nxglib_fillrectangle.c

/****************************************************************************
 * graphics/nxglib/lcd/nxglib_fillrectangle.c
 *
 *   Copyright (C) 2010-2011 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 <sys/types.h>
#include <stdint.h>

#include <nuttx/lcd/lcd.h>
#include <nuttx/nx/nxglib.h>

#include "nxglib_bitblit.h"
#include "nxglib_fillrun.h"

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

#ifndef NXGLIB_SUFFIX
#  error "NXGLIB_SUFFIX must be defined before including this header file"
#endif

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: nxgl_fillrectangle_*bpp
 *
 * Description:
 *   Fill a rectangle region in the LCD memory with a fixed color
 *
 ****************************************************************************/

void NXGL_FUNCNAME(nxgl_fillrectangle, NXGLIB_SUFFIX)
  (FAR struct lcd_planeinfo_s *pinfo,
   FAR const struct nxgl_rect_s *rect,
   NXGL_PIXEL_T color)
{
  unsigned int ncols;
  unsigned int row;

  /* Get the dimensions of the rectange to fill in pixels */

  ncols  = rect->pt2.x - rect->pt1.x + 1;

  /* Fill the run buffer with the selected color */

  NXGL_FUNCNAME(nxgl_fillrun, NXGLIB_SUFFIX)((NXGLIB_RUNTYPE *)pinfo->buffer, color, ncols);

  /* Then fill the rectangle line-by-line */

  for (row = rect->pt1.y; row <= rect->pt2.y; row++)
    {
      /* Draw the raster line at this row */

      pinfo->putrun(row, rect->pt1.x, pinfo->buffer, ncols);
    }
}