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       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*
       3                 :            :  * Version: MPL 1.1 / GPLv3+ / LGPLv3+
       4                 :            :  *
       5                 :            :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :            :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :            :  * the License or as specified alternatively below. You may obtain a copy of
       8                 :            :  * the License at http://www.mozilla.org/MPL/
       9                 :            :  *
      10                 :            :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :            :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :            :  * for the specific language governing rights and limitations under the
      13                 :            :  * License.
      14                 :            :  *
      15                 :            :  * Major Contributor(s):
      16                 :            :  * Copyright (C) 2012 Red Hat, Inc., Caolán McNamara <caolanm@redhat.com>
      17                 :            :  *  (initial developer)
      18                 :            :  *
      19                 :            :  * All Rights Reserved.
      20                 :            :  *
      21                 :            :  * For minor contributions see the git repository.
      22                 :            :  *
      23                 :            :  * Alternatively, the contents of this file may be used under the terms of
      24                 :            :  * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
      25                 :            :  * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
      26                 :            :  * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
      27                 :            :  * instead of those above.
      28                 :            :  */
      29                 :            : 
      30                 :            : #include <sal/log.hxx>
      31                 :            : #include <unx/x11/xlimits.hxx>
      32                 :            : 
      33                 :          0 : Pixmap limitXCreatePixmap(Display *display, Drawable d, unsigned int width, unsigned int height, unsigned int depth)
      34                 :            : {
      35                 :            :     // The X protocol request CreatePixmap puts an upper bound
      36                 :            :     // of 16 bit to the size. Beyond that there may be implementation
      37                 :            :     // limits of the Xserver; which we should catch by a failed XCreatePixmap
      38                 :            :     // call. However extra large values should be caught here since we'd run into
      39                 :            :     // 16 bit truncation here without noticing.
      40                 :            :     //
      41                 :            :     // see, e.g. moz#424333
      42                 :          0 :     if (width > SAL_MAX_INT16 || height > SAL_MAX_INT16)
      43                 :            :     {
      44                 :            :         SAL_WARN("vcl", "overlarge pixmap: " << width << " x " << height);
      45                 :          0 :         return None;
      46                 :            :     }
      47                 :          0 :     return XCreatePixmap(display, d, width, height, depth);
      48                 :            : }
      49                 :            : 
      50                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */