cscg24-guacamole

CSCG 2024 Challenge 'Guacamole Mashup'
git clone https://git.sinitax.com/sinitax/cscg24-guacamole
Log | Files | Refs | sfeed.txt

cursor.c (1650B)

      1/*
      2 * Licensed to the Apache Software Foundation (ASF) under one
      3 * or more contributor license agreements.  See the NOTICE file
      4 * distributed with this work for additional information
      5 * regarding copyright ownership.  The ASF licenses this file
      6 * to you under the Apache License, Version 2.0 (the
      7 * "License"); you may not use this file except in compliance
      8 * with the License.  You may obtain a copy of the License at
      9 *
     10 *   http://www.apache.org/licenses/LICENSE-2.0
     11 *
     12 * Unless required by applicable law or agreed to in writing,
     13 * software distributed under the License is distributed on an
     14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     15 * KIND, either express or implied.  See the License for the
     16 * specific language governing permissions and limitations
     17 * under the License.
     18 */
     19
     20#include "config.h"
     21#include "buffer.h"
     22#include "cursor.h"
     23
     24#include <guacamole/mem.h>
     25
     26#include <stdlib.h>
     27
     28guacenc_cursor* guacenc_cursor_alloc() {
     29
     30    /* Allocate new cursor */
     31    guacenc_cursor* cursor = (guacenc_cursor*) guac_mem_alloc(sizeof(guacenc_cursor));
     32    if (cursor == NULL)
     33        return NULL;
     34
     35    /* Allocate associated buffer (image) */
     36    cursor->buffer = guacenc_buffer_alloc();
     37    if (cursor->buffer == NULL) {
     38        guac_mem_free(cursor);
     39        return NULL;
     40    }
     41
     42    /* Do not initially render cursor, unless it moves */
     43    cursor->x = cursor->y = -1;
     44
     45    return cursor;
     46
     47}
     48
     49void guacenc_cursor_free(guacenc_cursor* cursor) {
     50
     51    /* Ignore NULL cursors */
     52    if (cursor == NULL)
     53        return;
     54
     55    /* Free underlying buffer */
     56    guacenc_buffer_free(cursor->buffer);
     57
     58    guac_mem_free(cursor);
     59
     60}
     61