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Diffstat (limited to 'nuttx/graphics/nxconsole/nxcon_scroll.c')
| -rwxr-xr-x | nuttx/graphics/nxconsole/nxcon_scroll.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/nuttx/graphics/nxconsole/nxcon_scroll.c b/nuttx/graphics/nxconsole/nxcon_scroll.c deleted file mode 100755 index c1a0fec95..000000000 --- a/nuttx/graphics/nxconsole/nxcon_scroll.c +++ /dev/null @@ -1,239 +0,0 @@ -/**************************************************************************** - * nuttx/graphics/nxconsole/nxcon_scroll.c - * - * Copyright (C) 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 <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <semaphore.h> -#include <errno.h> -#include <debug.h> - -#include <nuttx/nx/nx.h> -#include <nuttx/nx/nxfonts.h> - -#include "nxcon_internal.h" - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: nxcon_movedisplay - * - * Description: - * This function implements the data movement for the scroll operation. If - * we can read the displays framebuffer memory, then the job is pretty - * easy. However, many displays (such as SPI-based LCDs) are often read- - * only. - ****************************************************************************/ - -#ifdef CONFIG_NX_WRITEONLY -static inline void nxcon_movedisplay(FAR struct nxcon_state_s *priv, - int bottom, int scrollheight) -{ - FAR struct nxcon_bitmap_s *bm; - struct nxgl_rect_s rect; - nxgl_coord_t row; - int ret; - int i; - - /* Move each row, one at a time. They could all be moved at once (by calling - * nxcon_redraw), but the since the region is cleared, then re-written, the - * effect would not be good. Below the region is also cleared and re-written, - * however, in much smaller chunks. - */ - - rect.pt1.x = 0; - rect.pt2.x = priv->wndo.wsize.w - 1; - - for (row = CONFIG_NXCONSOLE_LINESEPARATION; row < bottom; row += scrollheight) - { - /* Create a bounding box the size of one row of characters */ - - rect.pt1.y = row; - rect.pt2.y = row + scrollheight - 1; - - /* Clear the region */ - - ret = priv->ops->fill(priv, &rect, priv->wndo.wcolor); - if (ret < 0) - { - gdbg("fill failed: %d\n", errno); - } - - /* Fill each character that might lie within in the bounding box */ - - for (i = 0; i < priv->nchars; i++) - { - bm = &priv->bm[i]; - if (bm->pos.y <= rect.pt2.y && bm->pos.y + priv->fheight >= rect.pt1.y) - { - nxcon_fillchar(priv, &rect, bm); - } - } - } - - /* Finally, clear the bottom part of the display */ - - rect.pt1.y = bottom; - rect.pt2.y = priv->wndo.wsize.h- 1; - - ret = priv->ops->fill(priv, &rect, priv->wndo.wcolor); - if (ret < 0) - { - gdbg("nxcon_movedisplay: fill failed: %d\n", errno); - } -} -#else -static inline void nxcon_movedisplay(FAR struct nxcon_state_s *priv, - int bottom, int scrollheight) -{ - struct nxgl_rect_s rect; - struct nxgl_point_s offset; - int ret; - - /* Move the display in the range of 0-height up one scrollheight. The - * line at the bottom will be reset to the background color automatically. - * - * The source rectangle to be moved. - */ - - rect.pt1.x = 0; - rect.pt1.y = scrollheight + CONFIG_NXCONSOLE_LINESEPARATION; - rect.pt2.x = priv->wndo.wsize.w - 1; - rect.pt2.y = priv->wndo.wsize.h - 1; - - /* The offset that determines how far to move the source rectangle */ - - offset.x = 0; - offset.y = -scrollheight; - - /* Move the source rectangle */ - - ret = priv->ops->move(priv, &rect, &offset); - if (ret < 0) - { - gdbg("move failed: %d\n", errno); - } -} -#endif - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: nxcon_scroll - ****************************************************************************/ - -void nxcon_scroll(FAR struct nxcon_state_s *priv, int scrollheight) -{ - int i; - int j; - - /* Adjust the vertical position of each character */ - - for (i = 0; i < priv->nchars; ) - { - FAR struct nxcon_bitmap_s *bm = &priv->bm[i]; - - /* Has any part of this character scrolled off the screen? */ - - if (bm->pos.y < scrollheight + CONFIG_NXCONSOLE_LINESEPARATION) - { - /* Yes... Delete the character by moving all of the data */ - - for (j = i; j < priv->nchars-1; j++) - { - memcpy(&priv->bm[j], &priv->bm[j+1], sizeof(struct nxcon_bitmap_s)); - } - - /* Decrement the number of cached characters ('i' is not incremented - * in this case because it already points to the next character) - */ - - priv->nchars--; - } - - /* No.. just decrement its vertical position (moving it "up" the - * display by one line). - */ - - else - { - bm->pos.y -= scrollheight; - - /* We are keeping this one so increment to the next character */ - - i++; - } - } - - /* And move the next display position up by one line as well */ - - priv->fpos.y -= scrollheight; - - /* Move the display in the range of 0-height up one scrollheight. */ - - nxcon_movedisplay(priv, priv->fpos.y, scrollheight); -} |