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-rw-r--r--vcl/unx/x11/xlimits.cxx29
1 files changed, 29 insertions, 0 deletions
diff --git a/vcl/unx/x11/xlimits.cxx b/vcl/unx/x11/xlimits.cxx
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+++ b/vcl/unx/x11/xlimits.cxx
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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. And in practice some drivers
+ // fall over with values close to the max.
+
+ // see, e.g. moz#424333, fdo#48961, rhbz#1086714
+ // we've a duplicate of this in canvas :-(
+ if (width > SAL_MAX_INT16-10 || height > SAL_MAX_INT16-10)
+ {
+ SAL_WARN("vcl", "overlarge pixmap: " << width << " x " << height);
+ return None;
+ }
+ return XCreatePixmap(display, d, width, height, depth);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */