Line data    Source code

       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: */