diff options
Diffstat (limited to 'nuttx/graphics/nxglib/fb/nxglib_getrectangle.c')
| -rw-r--r-- | nuttx/graphics/nxglib/fb/nxglib_getrectangle.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/nuttx/graphics/nxglib/fb/nxglib_getrectangle.c b/nuttx/graphics/nxglib/fb/nxglib_getrectangle.c deleted file mode 100644 index 82e541ec5..000000000 --- a/nuttx/graphics/nxglib/fb/nxglib_getrectangle.c +++ /dev/null @@ -1,201 +0,0 @@ -/**************************************************************************** - * graphics/nxglib/fb/nxglib_getrectangle.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 - ****************************************************************************/ - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: nxgl_lowresmemcpy - ****************************************************************************/ - -#if NXGLIB_BITSPERPIXEL < 8 -static inline void nxgl_lowresmemcpy(FAR uint8_t *dline, FAR const uint8_t *sline, - unsigned int width, - uint8_t leadmask, uint8_t tailmask) -{ - FAR const uint8_t *sptr; - FAR uint8_t *dptr; - uint8_t mask; - int lnlen; - - /* Handle masking of the fractional initial byte */ - - mask = leadmask; - sptr = sline; - dptr = dline; - lnlen = width; - - if (lnlen > 1 && mask) - { - dptr[0] = (dptr[0] & ~mask) | (sptr[0] & mask); - mask = 0xff; - dptr++; - sptr++; - lnlen--; - } - - /* Handle masking of the fractional final byte */ - - mask &= tailmask; - if (lnlen > 0 && mask) - { - dptr[lnlen-1] = (dptr[lnlen-1] & ~mask) | (sptr[lnlen-1] & mask); - lnlen--; - } - - /* Handle all of the unmasked bytes in-between */ - - if (lnlen > 0) - { - NXGL_MEMCPY(dptr, sptr, lnlen); - } -} -#endif - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: nxgl_getrectangle_*bpp - * - * Descripton: - * Fetch a rectangular region from framebuffer memory. The source is - * expressed as a rectangle. - * - ****************************************************************************/ - -void NXGL_FUNCNAME(nxgl_getrectangle,NXGLIB_SUFFIX) -(FAR struct fb_planeinfo_s *pinfo, FAR const struct nxgl_rect_s *rect, - FAR void *dest, unsigned int deststride) -{ - FAR const uint8_t *sline; - FAR uint8_t *dline; - unsigned int width; - unsigned int fbstride; - unsigned int rows; - -#if NXGLIB_BITSPERPIXEL < 8 - uint8_t leadmask; - uint8_t tailmask; -#endif - - /* Get the width of the framebuffer in bytes */ - - fbstride = pinfo->stride; - - /* Get the dimensions of the rectange to copy: width in pixels, height - * in rows - */ - - width = rect->pt2.x - rect->pt1.x + 1; - rows = rect->pt2.y - rect->pt1.y + 1; - -#if NXGLIB_BITSPERPIXEL < 8 -# ifdef CONFIG_NX_PACKEDMSFIRST - - /* Get the mask for pixels that are ordered so that they pack from the - * MS byte down. - */ - - leadmask = (uint8_t)(0xff >> (8 - NXGL_REMAINDERX(rect->pt1.x))); - tailmask = (uint8_t)(0xff << (8 - NXGL_REMAINDERX(rect->pt2.x-1))); -# else - /* Get the mask for pixels that are ordered so that they pack from the - * LS byte up. - */ - - leadmask = (uint8_t)(0xff << (8 - NXGL_REMAINDERX(rect->pt1.x))); - tailmask = (uint8_t)(0xff >> (8 - NXGL_REMAINDERX(rect->pt1.x-1))); -# endif -#endif - - /* sline = address of the first pixel in the top row of the source in - * framebuffer memory - */ - - sline = pinfo->fbmem + rect->pt1.y * fbstride + NXGL_SCALEX(rect->pt1.x); - - /* dline = address of the first row pixel */ - - dline = (FAR uint8_t *)dest; - - /* Yes.. Copy the rectangle */ - - while (rows--) - { - /* Copy the row */ - -#if NXGLIB_BITSPERPIXEL < 8 - nxgl_lowresmemcpy(dline, sline, width, leadmask, tailmask); -#else - NXGL_MEMCPY(dline, sline, width); -#endif - /* Point to the next source/dest row below the current one */ - - dline += deststride; - sline += fbstride; - } -} |