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Diffstat (limited to 'nuttx/graphics/nxglib/fb/nxglib_moverectangle.c')
-rw-r--r--nuttx/graphics/nxglib/fb/nxglib_moverectangle.c252
1 files changed, 0 insertions, 252 deletions
diff --git a/nuttx/graphics/nxglib/fb/nxglib_moverectangle.c b/nuttx/graphics/nxglib/fb/nxglib_moverectangle.c
deleted file mode 100644
index d8e52250c..000000000
--- a/nuttx/graphics/nxglib/fb/nxglib_moverectangle.c
+++ /dev/null
@@ -1,252 +0,0 @@
-/****************************************************************************
- * graphics/nxglib/fb/nxglib_moverectangle.c
- *
- * Copyright (C) 2008-2012 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_moverectangle_*bpp
- *
- * Descripton:
- * Move a rectangular region from location to another in the
- * framebuffer memory. The source is expressed as a rectangle; the
- * destination position is expressed as a point corresponding to the
- * translation of the upper, left-hand corner.
- *
- ****************************************************************************/
-
-void NXGL_FUNCNAME(nxgl_moverectangle,NXGLIB_SUFFIX)
-(FAR struct fb_planeinfo_s *pinfo, FAR const struct nxgl_rect_s *rect,
- FAR struct nxgl_point_s *offset)
-{
- FAR const uint8_t *sline;
- FAR uint8_t *dline;
- unsigned int width;
- unsigned int stride;
- unsigned int rows;
-
-#if NXGLIB_BITSPERPIXEL < 8
- uint8_t leadmask;
- uint8_t tailmask;
-#endif
-
- /* Get the width of the framebuffer in bytes */
-
- stride = pinfo->stride;
-
- /* Get the dimensions of the rectange to fill: 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 * stride + NXGL_SCALEX(rect->pt1.x);
-
- /* dline = address of the first pixel in the top row of the destination
- * in framebuffer memory. We get dline by subtract the offset from the
- * source position.
- */
-
- dline = pinfo->fbmem + offset->y * stride + NXGL_SCALEX(offset->x);
-
- /* Case 1: Is the destination position above the displayed position?
- * If the destination position is less then then the src address, then the
- * destination is offset to a postion below (and or to the left) of the
- * source in framebuffer memory.
- */
-
- if (offset->y < rect->pt1.y ||
- (offset->y < rect->pt1.y && offset->x <= rect->pt1.x))
- {
- /* Yes.. Copy the rectangle from top down (i.e., adding the stride
- * to move to the next, lower row) */
-
- 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 += stride;
- sline += stride;
- }
- }
-
- /* Case 2: No.. the destination position is above (or to the left of)
- * the displayed source position
- */
-
- else
- {
- /* Adjust sline and dline to point to the bottom row (+1) of the
- * source and destination rectangles in framebuffer memory.
- */
-
- unsigned int hoffset = rows * stride;
- sline += hoffset;
- dline += hoffset;
-
- /* Copy the rectangle from the bottom up (i.e., subtracting stride
- * to re-position to the previous, higher row)
- */
-
- while (rows--)
- {
- /* Point to the next source/dest row above the current one */
-
- dline -= stride;
- sline -= stride;
-
- /* Copy the row */
-
-#if NXGLIB_BITSPERPIXEL < 8
- nxgl_lowresmemcpy(dline, sline, width, leadmask, tailmask);
-#else
- NXGL_MEMCPY(dline, sline, width);
-#endif
- }
- }
-}
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