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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"
#include <stdio.h>
#include <rtl/ustring.hxx>
#include <osl/module.h>
#include <unx/salunx.h>
#include <unx/saldata.hxx>
#include <unx/saldisp.hxx>
using ::rtl::OUString;
using ::rtl::OUStringToOString;
#include <xrender_peer.hxx>
using namespace rtl;
// ---------------------------------------------------------------------------
XRenderPeer::XRenderPeer()
: mpDisplay( GetGenericData()->GetSalDisplay()->GetDisplay() )
, mpStandardFormatA8( NULL )
, mnRenderVersion( 0 )
{
InitRenderLib();
}
// ---------------------------------------------------------------------------
XRenderPeer& XRenderPeer::GetInstance()
{
static XRenderPeer aPeer;
return aPeer;
}
// ---------------------------------------------------------------------------
void XRenderPeer::InitRenderLib()
{
int nDummy;
// needed to initialize libXrender internals
XRenderQueryExtension( mpDisplay, &nDummy, &nDummy );
int nMajor, nMinor;
XRenderQueryVersion( mpDisplay, &nMajor, &nMinor );
mnRenderVersion = 16*nMajor + nMinor;
// the 8bit alpha mask format must be there
XRenderPictFormat aPictFormat={0,0,8,{0,0,0,0,0,0,0,0xFF},0};
mpStandardFormatA8 = FindPictureFormat( PictFormatAlphaMask|PictFormatDepth, aPictFormat );
}
// ---------------------------------------------------------------------------
// return mask of screens capable of XRENDER text
sal_uInt32 XRenderPeer::InitRenderText()
{
if( mnRenderVersion < 0x01 )
return 0;
// #93033# disable XRENDER for old RENDER versions if XINERAMA is present
int nDummy;
if( XQueryExtension( mpDisplay, "XINERAMA", &nDummy, &nDummy, &nDummy ) )
if( mnRenderVersion < 0x02 )
return 0;
if( !mpStandardFormatA8 )
return 0;
// and the visual must be supported too on at least one screen
sal_uInt32 nRetMask = 0;
SalDisplay* pSalDisp = GetGenericData()->GetSalDisplay();
const int nScreenCount = pSalDisp->GetScreenCount();
XRenderPictFormat* pVisualFormat = NULL;
int nMaxDepth = 0;
for( int nScreen = 0; nScreen < nScreenCount; ++nScreen )
{
Visual* pXVisual = pSalDisp->GetVisual( nScreen ).GetVisual();
pVisualFormat = FindVisualFormat( pXVisual );
if( pVisualFormat != NULL )
{
int nVDepth = pSalDisp->GetVisual( nScreen ).GetDepth();
if( nVDepth > nMaxDepth )
nMaxDepth = nVDepth;
nRetMask |= 1U << nScreen;
}
}
// #97763# disable XRENDER on <15bit displays for XFree<=4.2.0
if( mnRenderVersion <= 0x02 )
if( nMaxDepth < 15 )
nRetMask = 0;
return nRetMask;
}
// ---------------------------------------------------------------------------
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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