cscg24-guacamole

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

instruction-shade.c (1470B)

      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 "display.h"
     22#include "log.h"
     23
     24#include <guacamole/client.h>
     25
     26#include <stdlib.h>
     27
     28int guacenc_handle_shade(guacenc_display* display, int argc, char** argv) {
     29
     30    /* Verify argument count */
     31    if (argc < 2) {
     32        guacenc_log(GUAC_LOG_WARNING, "\"shade\" instruction incomplete");
     33        return 1;
     34    }
     35
     36    /* Parse arguments */
     37    int index = atoi(argv[0]);
     38    int opacity = atoi(argv[1]);
     39
     40    /* Retrieve requested layer */
     41    guacenc_layer* layer = guacenc_display_get_layer(display, index);
     42    if (layer == NULL)
     43        return 1;
     44
     45    /* Update layer properties */
     46    layer->opacity = opacity;
     47
     48    return 0;
     49
     50}
     51