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