Doc: Update Qt licensing documentation

Add information about the license for WebP (libwebp) version 0.4.0 which
is in Qt Image Formats module.

Task-number: QTBUG-42710
Change-Id: Ia0047c59d162081b901420979240bef2c0cda962
Reviewed-by: Sami Makkonen <sami.makkonen@digia.com>
Reviewed-by: Martin Smith <martin.smith@digia.com>

2 files changed, 44 insertions, 0 deletions

diff --git a/doc/src/legal/3rdparty.qdoc b/doc/src/legal/3rdparty.qdoc
index d670b89c..6ecafba9 100644
--- a/doc/src/legal/3rdparty.qdoc
+++ b/doc/src/legal/3rdparty.qdoc
@@ -1783,4 +1783,46 @@
     \list
         \li From \c {qtwayland/src/3rdparty/protocol/wayland.xml}
     \endlist
+
+    \section1 WebP (libwebp) version 0.4.0
+
+    \e {WebP is a new image format that provides lossless and lossy
+    compression for images on the web.}
+    -- quoted from \l{https://developers.google.com/speed/webp}.
+
+    \hr
+
+    Copyright (c) 2010, Google Inc. All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are
+    met:
+
+      * Redistributions of source code must retain the above copyright
+        notice, this list of conditions and the following disclaimer.
+
+      * Redistributions in binary form must reproduce the above copyright
+        notice, this list of conditions and the following disclaimer in
+        the documentation and/or other materials provided with the
+        distribution.
+
+      * Neither the name of Google nor the names of its contributors may
+        be used to endorse or promote products derived from this software
+        without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+    HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+    \hr
+
+    See \c qtimageformats/src/3rdparty/libwebp/COPYING for license details.
 */
diff --git a/doc/src/legal/licenses.qdoc b/doc/src/legal/licenses.qdoc
index bcf22cb9..57a30e03 100644
--- a/doc/src/legal/licenses.qdoc
+++ b/doc/src/legal/licenses.qdoc
@@ -288,6 +288,8 @@
          \li libtiff is a set of C functions (a library) that support the manipulation of TIFF image files. \li BSD \li
     \row \li \l{MNG Library (libmng) version 1.0.10}{MNG}
          \li Support decoding and displaying of MNG format image files. \li BSD-style \li
+    \row \li \l{WebP (libwebp) version 0.4.0}{WebP}
+         \li Support decoding and displaying of WebP format image files. \li BSD-style \li
     \row \li \li \li \li
     \row \li \li \li \li