guacamole-spice-protocol/src/guacenc/cursor.c

60 lines
1.6 KiB
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.
*/
#include "config.h"
#include "buffer.h"
#include "cursor.h"
#include <stdlib.h>
guacenc_cursor* guacenc_cursor_alloc() {
/* Allocate new cursor */
guacenc_cursor* cursor = (guacenc_cursor*) malloc(sizeof(guacenc_cursor));
if (cursor == NULL)
return NULL;
/* Allocate associated buffer (image) */
cursor->buffer = guacenc_buffer_alloc();
if (cursor->buffer == NULL) {
free(cursor);
return NULL;
}
/* Do not initially render cursor, unless it moves */
cursor->x = cursor->y = -1;
return cursor;
}
void guacenc_cursor_free(guacenc_cursor* cursor) {
/* Ignore NULL cursors */
if (cursor == NULL)
return;
/* Free underlying buffer */
guacenc_buffer_free(cursor->buffer);
free(cursor);
}