cscg24-guacamole

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

instruction-rect.c (1836B)


      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 "display.h"
     23#include "log.h"
     24
     25#include <cairo/cairo.h>
     26#include <guacamole/client.h>
     27
     28#include <stdlib.h>
     29
     30int guacenc_handle_rect(guacenc_display* display, int argc, char** argv) {
     31 
     32    /* Verify argument count */
     33    if (argc < 5) {
     34        guacenc_log(GUAC_LOG_WARNING, "\"rect\" instruction incomplete");
     35        return 1;
     36    }
     37
     38    /* Parse arguments */
     39    int index = atoi(argv[0]);
     40    int x = atoi(argv[1]);
     41    int y = atoi(argv[2]);
     42    int width = atoi(argv[3]);
     43    int height = atoi(argv[4]);
     44
     45    /* Pull buffer of requested layer/buffer */
     46    guacenc_buffer* buffer = guacenc_display_get_related_buffer(display, index);
     47    if (buffer == NULL)
     48        return 1;
     49
     50    /* Expand the buffer as necessary to fit the draw operation */
     51    if (buffer->autosize)
     52        guacenc_buffer_fit(buffer, x + width, y + height);
     53
     54    /* Set path to rectangle */
     55    if (buffer->cairo != NULL)
     56        cairo_rectangle(buffer->cairo, x, y, width, height);
     57
     58    return 0;
     59
     60}
     61