105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
/****************************************************************************
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* graphics/nxterm/nxterm_redraw.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <assert.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/nx/nx.h>
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#include <nuttx/nx/nxglib.h>
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#include "nxterm.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxterm_redraw
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*
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* Description:
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* Re-draw a portion of the NX console. This function should be called
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* from the appropriate window callback logic.
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*
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* Input Parameters:
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* handle - A handle previously returned by nx_register, nxtk_register, or
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* nxtool_register.
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* rect - The rectangle that needs to be re-drawn (in window relative
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* coordinates)
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* more - true: More re-draw requests will follow
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void nxterm_redraw(NXTERM handle,
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FAR const struct nxgl_rect_s *rect,
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bool more)
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{
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FAR struct nxterm_state_s *priv;
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int ret;
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int i;
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DEBUGASSERT(handle && rect);
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ginfo("rect={(%d,%d),(%d,%d)} more=%s\n",
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rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
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more ? "true" : "false");
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/* Recover our private state structure */
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priv = (FAR struct nxterm_state_s *)handle;
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/* Get exclusive access to the state structure */
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do
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{
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ret = nxmutex_lock(&priv->lock);
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}
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while (ret < 0);
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/* Fill the rectangular region with the window background color */
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ret = priv->ops->fill(priv, rect, priv->wndo.wcolor);
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if (ret < 0)
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{
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gerr("ERROR: fill failed: %d\n", get_errno());
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}
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/* Then redraw each character on the display (Only the characters within
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* the rectangle will actually be redrawn).
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*/
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for (i = 0; i < priv->nchars; i++)
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{
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nxterm_fillchar(priv, rect, &priv->bm[i]);
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}
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nxmutex_unlock(&priv->lock);
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}
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