Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  */
       9             : 
      10             : #include <sal/log.hxx>
      11             : #include <unx/x11/xlimits.hxx>
      12             : 
      13           0 : Pixmap limitXCreatePixmap(Display *display, Drawable d, unsigned int width, unsigned int height, unsigned int depth)
      14             : {
      15             :     // The X protocol request CreatePixmap puts an upper bound
      16             :     // of 16 bit to the size. Beyond that there may be implementation
      17             :     // limits of the Xserver; which we should catch by a failed XCreatePixmap
      18             :     // call. However extra large values should be caught here since we'd run into
      19             :     // 16 bit truncation here without noticing.
      20             : 
      21             :     // see, e.g. moz#424333
      22           0 :     if (width > SAL_MAX_INT16 || height > SAL_MAX_INT16)
      23             :     {
      24             :         SAL_WARN("vcl", "overlarge pixmap: " << width << " x " << height);
      25           0 :         return None;
      26             :     }
      27           0 :     return XCreatePixmap(display, d, width, height, depth);
      28             : }
      29             : 
      30             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */