vcl/unx/generic/gdi/xrender_peer.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <unx/saldisp.hxx>
  21
  22 #include <unx/x11/xrender_peer.hxx>
  23
  24 XRenderPeer::XRenderPeer()
  25     : mpDisplay( vcl_sal::getSalDisplay(GetGenericUnixSalData())->GetDisplay() )
  26     , mpStandardFormatA8( nullptr )
  27 {
  28     InitRenderLib();
  29 }
  30
  31 XRenderPeer& XRenderPeer::GetInstance()
  32 {
  33     static XRenderPeer aPeer;
  34     return aPeer;
  35 }
  36
  37 void XRenderPeer::InitRenderLib()
  38 {
  39     int nDummy;
  40     // needed to initialize libXrender internals
  41     XRenderQueryExtension( mpDisplay, &nDummy, &nDummy );
  42
  43     // the 8bit alpha mask format must be there
  44     XRenderPictFormat aPictFormat={0,0,8,{0,0,0,0,0,0,0,0xFF},0};
  45     mpStandardFormatA8 = XRenderFindFormat( mpDisplay, PictFormatAlphaMask|PictFormatDepth, &aPictFormat, 0 );
  46 }
  47
  48 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */