src/guacenc/instruction-rect.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 "display.h"
#include "log.h"

#include <cairo/cairo.h>
#include <guacamole/client.h>

#include <stdlib.h>

int guacenc_handle_rect(guacenc_display* display, int argc, char** argv) {
 
    /* Verify argument count */
    if (argc < 5) {
        guacenc_log(GUAC_LOG_WARNING, "\"rect\" instruction incomplete");
        return 1;
    }

    /* Parse arguments */
    int index = atoi(argv[0]);
    int x = atoi(argv[1]);
    int y = atoi(argv[2]);
    int width = atoi(argv[3]);
    int height = atoi(argv[4]);

    /* Pull buffer of requested layer/buffer */
    guacenc_buffer* buffer = guacenc_display_get_related_buffer(display, index);
    if (buffer == NULL)
        return 1;

    /* Expand the buffer as necessary to fit the draw operation */
    if (buffer->autosize)
        guacenc_buffer_fit(buffer, x + width, y + height);

    /* Set path to rectangle */
    if (buffer->cairo != NULL)
        cairo_rectangle(buffer->cairo, x, y, width, height);

    return 0;

}