diff options
Diffstat (limited to 'nuttx/graphics/nxglib/fb/nxglib_setpixel.c')
| -rw-r--r-- | nuttx/graphics/nxglib/fb/nxglib_setpixel.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/nuttx/graphics/nxglib/fb/nxglib_setpixel.c b/nuttx/graphics/nxglib/fb/nxglib_setpixel.c deleted file mode 100644 index 7079b7e57..000000000 --- a/nuttx/graphics/nxglib/fb/nxglib_setpixel.c +++ /dev/null @@ -1,156 +0,0 @@ -/**************************************************************************** - * graphics/nxglib/fb/nxglib_setpixel.c - * - * Copyright (C) 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 <stdint.h> - -#include <nuttx/fb.h> -#include <nuttx/nx/nxglib.h> - -#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_setpixel_*bpp - * - * Descripton: - * Draw a single pixel in frambuffer memory at the given position and with - * the given color. This is equivalent to nxgl_fillrectangle_*bpp() with - * a 1x1 rectangle but is more efficient. - * - ****************************************************************************/ - -void NXGL_FUNCNAME(nxgl_setpixel,NXGLIB_SUFFIX) - (FAR struct fb_planeinfo_s *pinfo, - FAR const struct nxgl_point_s *pos, - NXGL_PIXEL_T color) -{ - FAR uint8_t *dest; - -#if NXGLIB_BITSPERPIXEL < 8 - uint8_t shift; - uint8_t mask; -#else - FAR NXGL_PIXEL_T *pixel; -#endif - - /* Get the address of the first byte of the pixel to write */ - - dest = pinfo->fbmem + pos->y * pinfo->stride + NXGL_SCALEX(pos->x); - -#if NXGLIB_BITSPERPIXEL < 8 - - /* Shift the color into the proper position */ - -# ifdef CONFIG_NX_PACKEDMSFIRST - -#if NXGLIB_BITSPERPIXEL == 1 - shift = (7 - (pos->x & 7)); /* Shift is 0, 1, ... 7 */ - mask = (1 << shift); /* Mask is 0x01, 0x02, .. 0x80 */ - color <<= shift; /* Color is positioned under the mask */ -#elif NXGLIB_BITSPERPIXEL == 2 - shift = (6 - ((pos->x & 3) << 1)); /* Shift is 0, 2, 4, or 6 */ - mask = (3 << shift); /* Mask is 0x03, 0x0c, 0x30, or 0xc0 */ - color <<= shift; /* Color is positioned under the mask */ -#elif NXGLIB_BITSPERPIXEL == 4 - shift = (4 - ((pos->x & 1) << 2)); /* Shift is 0 or 4 */ - mask = (15 << shift); /* Mask is 0x0f or 0xf0 */ - color <<= shift; /* Color is positioned under the mask */ -#else -# error "Unsupport pixel depth" -#endif - -# else /* CONFIG_NX_PACKEDMSFIRST */ - -#if NXGLIB_BITSPERPIXEL == 1 - shift = (pos->x & 7); /* Shift is 0, 1, ... 7 */ - mask = (1 << shift); /* Mask is 0x01, 0x02, .. 0x80 */ - color <<= shift; /* Color is positioned under the mask */ -#elif NXGLIB_BITSPERPIXEL == 2 - shift = (pos->x & 3) << 1; /* Shift is 0, 2, 4, or 6 */ - mask = (3 << shift); /* Mask is 0x03, 0x0c, 0x30, or 0xc0 */ - color <<= shift; /* Color is positioned under the mask */ -#elif NXGLIB_BITSPERPIXEL == 4 - shift = (pos->x & 1) << 2; /* Shift is 0 or 4 */ - mask = (15 << shift); /* Mask is 0x0f or 0xf0 */ - color <<= shift; /* Color is positioned under the mask */ -#else -# error "Unsupport pixel depth" -#endif -#endif /* CONFIG_NX_PACKEDMSFIRST */ - - /* Handle masking of the fractional byte */ - - *dest = (*dest & ~mask) | (color & mask); -#else - - /* Write the pixel (proper alignment assumed) */ - - pixel = (FAR NXGL_PIXEL_T *)dest; - *pixel = color; -#endif -} |