office-gobmx/vcl/source/gdi/lineinfo.cxx
Keith McRae db7fb9cdf2 fdo#39428 Remove/audit SvStream operator>>/<<(long)
Replaced calls to operator>>(long) with operator>>(sal_Int32)
Replaced calls to operator<<(long) with sal::static_int_cast<sal_Int32>
2012-01-18 22:56:14 -05:00

370 lines
11 KiB
C++

/* -*- 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.
*
************************************************************************/
#include <tools/stream.hxx>
#include <tools/vcompat.hxx>
#include <tools/debug.hxx>
#include <vcl/lineinfo.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dlinegeometry.hxx>
#include <numeric>
DBG_NAME( LineInfo )
// ----------------
// - ImplLineInfo -
// ----------------
ImplLineInfo::ImplLineInfo() :
mnRefCount ( 1 ),
meStyle ( LINE_SOLID ),
mnWidth ( 0 ),
mnDashCount ( 0 ),
mnDashLen ( 0 ),
mnDotCount ( 0 ),
mnDotLen ( 0 ),
mnDistance ( 0 ),
meLineJoin ( basegfx::B2DLINEJOIN_ROUND )
{
}
// -----------------------------------------------------------------------
ImplLineInfo::ImplLineInfo( const ImplLineInfo& rImplLineInfo ) :
mnRefCount ( 1 ),
meStyle ( rImplLineInfo.meStyle ),
mnWidth ( rImplLineInfo.mnWidth ),
mnDashCount ( rImplLineInfo.mnDashCount ),
mnDashLen ( rImplLineInfo.mnDashLen ),
mnDotCount ( rImplLineInfo.mnDotCount ),
mnDotLen ( rImplLineInfo.mnDotLen ),
mnDistance ( rImplLineInfo.mnDistance ),
meLineJoin ( rImplLineInfo.meLineJoin )
{
}
// -----------------------------------------------------------------------
inline bool ImplLineInfo::operator==( const ImplLineInfo& rB ) const
{
return(meStyle == rB.meStyle
&& mnWidth == rB.mnWidth
&& mnDashCount == rB.mnDashCount
&& mnDashLen == rB.mnDashLen
&& mnDotCount == rB.mnDotCount
&& mnDotLen == rB.mnDotLen
&& mnDistance == rB.mnDistance
&& meLineJoin == rB.meLineJoin);
}
// ------------
// - LineInfo -
// ------------
LineInfo::LineInfo( LineStyle eStyle, long nWidth )
{
DBG_CTOR( LineInfo, NULL );
mpImplLineInfo = new ImplLineInfo;
mpImplLineInfo->meStyle = eStyle;
mpImplLineInfo->mnWidth = nWidth;
}
// -----------------------------------------------------------------------
LineInfo::LineInfo( const LineInfo& rLineInfo )
{
DBG_CTOR( LineInfo, NULL );
DBG_CHKOBJ( &rLineInfo, LineInfo, NULL );
mpImplLineInfo = rLineInfo.mpImplLineInfo;
mpImplLineInfo->mnRefCount++;
}
// -----------------------------------------------------------------------
LineInfo::~LineInfo()
{
DBG_DTOR( LineInfo, NULL );
if( !( --mpImplLineInfo->mnRefCount ) )
delete mpImplLineInfo;
}
// -----------------------------------------------------------------------
LineInfo& LineInfo::operator=( const LineInfo& rLineInfo )
{
DBG_CHKTHIS( LineInfo, NULL );
DBG_CHKOBJ( &rLineInfo, LineInfo, NULL );
rLineInfo.mpImplLineInfo->mnRefCount++;
if( !( --mpImplLineInfo->mnRefCount ) )
delete mpImplLineInfo;
mpImplLineInfo = rLineInfo.mpImplLineInfo;
return *this;
}
// -----------------------------------------------------------------------
sal_Bool LineInfo::operator==( const LineInfo& rLineInfo ) const
{
DBG_CHKTHIS( LineInfo, NULL );
DBG_CHKOBJ( &rLineInfo, LineInfo, NULL );
return( mpImplLineInfo == rLineInfo.mpImplLineInfo ||
*mpImplLineInfo == *rLineInfo.mpImplLineInfo );
}
// -----------------------------------------------------------------------
void LineInfo::ImplMakeUnique()
{
if( mpImplLineInfo->mnRefCount != 1 )
{
if( mpImplLineInfo->mnRefCount )
mpImplLineInfo->mnRefCount--;
mpImplLineInfo = new ImplLineInfo( *mpImplLineInfo );
}
}
// -----------------------------------------------------------------------
void LineInfo::SetStyle( LineStyle eStyle )
{
DBG_CHKTHIS( LineInfo, NULL );
ImplMakeUnique();
mpImplLineInfo->meStyle = eStyle;
}
// -----------------------------------------------------------------------
void LineInfo::SetWidth( long nWidth )
{
DBG_CHKTHIS( LineInfo, NULL );
ImplMakeUnique();
mpImplLineInfo->mnWidth = nWidth;
}
// -----------------------------------------------------------------------
void LineInfo::SetDashCount( sal_uInt16 nDashCount )
{
DBG_CHKTHIS( LineInfo, NULL );
ImplMakeUnique();
mpImplLineInfo->mnDashCount = nDashCount;
}
// -----------------------------------------------------------------------
void LineInfo::SetDashLen( long nDashLen )
{
DBG_CHKTHIS( LineInfo, NULL );
ImplMakeUnique();
mpImplLineInfo->mnDashLen = nDashLen;
}
// -----------------------------------------------------------------------
void LineInfo::SetDotCount( sal_uInt16 nDotCount )
{
DBG_CHKTHIS( LineInfo, NULL );
ImplMakeUnique();
mpImplLineInfo->mnDotCount = nDotCount;
}
// -----------------------------------------------------------------------
void LineInfo::SetDotLen( long nDotLen )
{
DBG_CHKTHIS( LineInfo, NULL );
ImplMakeUnique();
mpImplLineInfo->mnDotLen = nDotLen;
}
// -----------------------------------------------------------------------
void LineInfo::SetDistance( long nDistance )
{
DBG_CHKTHIS( LineInfo, NULL );
ImplMakeUnique();
mpImplLineInfo->mnDistance = nDistance;
}
// -----------------------------------------------------------------------
void LineInfo::SetLineJoin(basegfx::B2DLineJoin eLineJoin)
{
DBG_CHKTHIS( LineInfo, NULL );
if(eLineJoin != mpImplLineInfo->meLineJoin)
{
ImplMakeUnique();
mpImplLineInfo->meLineJoin = eLineJoin;
}
}
// -----------------------------------------------------------------------
SvStream& operator>>( SvStream& rIStm, ImplLineInfo& rImplLineInfo )
{
VersionCompat aCompat( rIStm, STREAM_READ );
sal_uInt16 nTmp16(0);
sal_Int32 nTmp32(0);
//#fdo39428 SvStream no longer supports operator>>(long&)
rIStm >> nTmp16; rImplLineInfo.meStyle = (LineStyle) nTmp16;
rIStm >> nTmp32;
rImplLineInfo.mnWidth = nTmp32;
if( aCompat.GetVersion() >= 2 )
{
// version 2
rIStm >> rImplLineInfo.mnDashCount >> nTmp32;
rImplLineInfo.mnDashLen = nTmp32;
rIStm >> rImplLineInfo.mnDotCount >> nTmp32;
rImplLineInfo.mnDotLen = nTmp32;
rIStm >> nTmp32;
rImplLineInfo.mnDistance = nTmp32;
}
if( aCompat.GetVersion() >= 3 )
{
// version 3
rIStm >> nTmp16; rImplLineInfo.meLineJoin = (basegfx::B2DLineJoin) nTmp16;
}
return rIStm;
}
// -----------------------------------------------------------------------
SvStream& operator<<( SvStream& rOStm, const ImplLineInfo& rImplLineInfo )
{
VersionCompat aCompat( rOStm, STREAM_WRITE, 3 );
//#fdo39428 SvStream no longer supports operator<<(long)
// version 1
rOStm << (sal_uInt16) rImplLineInfo.meStyle << sal::static_int_cast<sal_Int32>(rImplLineInfo.mnWidth);
// since version2
rOStm << rImplLineInfo.mnDashCount << sal::static_int_cast<sal_Int32>(rImplLineInfo.mnDashLen);
rOStm << rImplLineInfo.mnDotCount << sal::static_int_cast<sal_Int32>(rImplLineInfo.mnDotLen);
rOStm << sal::static_int_cast<sal_Int32>(rImplLineInfo.mnDistance);
// since version3
rOStm << (sal_uInt16) rImplLineInfo.meLineJoin;
return rOStm;
}
// -----------------------------------------------------------------------
SvStream& operator>>( SvStream& rIStm, LineInfo& rLineInfo )
{
rLineInfo.ImplMakeUnique();
return( rIStm >> *rLineInfo.mpImplLineInfo );
}
// -----------------------------------------------------------------------
SvStream& operator<<( SvStream& rOStm, const LineInfo& rLineInfo )
{
return( rOStm << *rLineInfo.mpImplLineInfo );
}
// -----------------------------------------------------------------------
void LineInfo::applyToB2DPolyPolygon(
basegfx::B2DPolyPolygon& io_rLinePolyPolygon,
basegfx::B2DPolyPolygon& o_rFillPolyPolygon) const
{
o_rFillPolyPolygon.clear();
if(io_rLinePolyPolygon.count())
{
if(LINE_DASH == GetStyle())
{
::std::vector< double > fDotDashArray;
const double fDashLen(GetDashLen());
const double fDotLen(GetDotLen());
const double fDistance(GetDistance());
for(sal_uInt16 a(0); a < GetDashCount(); a++)
{
fDotDashArray.push_back(fDashLen);
fDotDashArray.push_back(fDistance);
}
for(sal_uInt16 b(0); b < GetDotCount(); b++)
{
fDotDashArray.push_back(fDotLen);
fDotDashArray.push_back(fDistance);
}
const double fAccumulated(::std::accumulate(fDotDashArray.begin(), fDotDashArray.end(), 0.0));
if(fAccumulated > 0.0)
{
basegfx::B2DPolyPolygon aResult;
for(sal_uInt32 c(0); c < io_rLinePolyPolygon.count(); c++)
{
basegfx::B2DPolyPolygon aLineTraget;
basegfx::tools::applyLineDashing(
io_rLinePolyPolygon.getB2DPolygon(c),
fDotDashArray,
&aLineTraget);
aResult.append(aLineTraget);
}
io_rLinePolyPolygon = aResult;
}
}
if(GetWidth() > 1 && io_rLinePolyPolygon.count())
{
const double fHalfLineWidth((GetWidth() * 0.5) + 0.5);
for(sal_uInt32 a(0); a < io_rLinePolyPolygon.count(); a++)
{
o_rFillPolyPolygon.append(basegfx::tools::createAreaGeometry(
io_rLinePolyPolygon.getB2DPolygon(a),
fHalfLineWidth,
GetLineJoin()));
}
io_rLinePolyPolygon.clear();
}
}
}
// -----------------------------------------------------------------------
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */