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