core/decoders/copyrect.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

/*
 * noVNC: HTML5 VNC client
 * Copyright (C) 2012 Joel Martin
 * Copyright (C) 2018 Samuel Mannehed for Cendio AB
 * Copyright (C) 2018 Pierre Ossman for Cendio AB
 * Licensed under MPL 2.0 (see LICENSE.txt)
 *
 * See README.md for usage and integration instructions.
 *
 */

export default class CopyRectDecoder {
    decodeRect(x, y, width, height, sock, display, depth) {
        if (sock.rQwait("COPYRECT", 4)) {
            return false;
        }

        let deltaX = sock.rQshift16();
        let deltaY = sock.rQshift16();
        display.copyImage(deltaX, deltaY, x, y, width, height);

        return true;
    }
}