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Diffstat (limited to 'vcl/source/gdi/lineinfo.cxx')
| -rw-r--r-- | vcl/source/gdi/lineinfo.cxx | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/vcl/source/gdi/lineinfo.cxx b/vcl/source/gdi/lineinfo.cxx new file mode 100644 index 000000000000..bb57a0b582e6 --- /dev/null +++ b/vcl/source/gdi/lineinfo.cxx @@ -0,0 +1,361 @@ +/************************************************************************* + * + * 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 <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 ) +{ +} + +// ------------ +// - 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; +} + +// ----------------------------------------------------------------------- + +BOOL LineInfo::operator==( const LineInfo& rLineInfo ) const +{ + DBG_CHKTHIS( LineInfo, NULL ); + DBG_CHKOBJ( &rLineInfo, LineInfo, NULL ); + + return( mpImplLineInfo == rLineInfo.mpImplLineInfo || + ( mpImplLineInfo->meStyle == rLineInfo.mpImplLineInfo->meStyle && + mpImplLineInfo->mnWidth == rLineInfo.mpImplLineInfo->mnWidth && + mpImplLineInfo->mnDashCount == rLineInfo.mpImplLineInfo->mnDashCount && + mpImplLineInfo->mnDashLen == rLineInfo.mpImplLineInfo->mnDashLen && + mpImplLineInfo->mnDotCount == rLineInfo.mpImplLineInfo->mnDotCount && + mpImplLineInfo->mnDotLen == rLineInfo.mpImplLineInfo->mnDotLen && + mpImplLineInfo->mnDistance == rLineInfo.mpImplLineInfo->mnDistance ) ); +} + +// ----------------------------------------------------------------------- + +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( USHORT 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( USHORT 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 ); + UINT16 nTmp16; + + rIStm >> nTmp16; rImplLineInfo.meStyle = (LineStyle) nTmp16; + rIStm >> rImplLineInfo.mnWidth; + + if( aCompat.GetVersion() >= 2 ) + { + // version 2 + rIStm >> rImplLineInfo.mnDashCount >> rImplLineInfo.mnDashLen; + rIStm >> rImplLineInfo.mnDotCount >> rImplLineInfo.mnDotLen; + rIStm >> rImplLineInfo.mnDistance; + } + + 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 ); + + // version 1 + rOStm << (UINT16) rImplLineInfo.meStyle << rImplLineInfo.mnWidth; + + // since version2 + rOStm << rImplLineInfo.mnDashCount << rImplLineInfo.mnDashLen; + rOStm << rImplLineInfo.mnDotCount << rImplLineInfo.mnDotLen; + rOStm << rImplLineInfo.mnDistance; + + // since version3 + rOStm << (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 ); +} + +// ----------------------------------------------------------------------- + +bool LineInfo::isDashDotOrFatLineUsed() const +{ + return (LINE_DASH == GetStyle() || GetWidth() > 1); +} + +// ----------------------------------------------------------------------- + +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(); + } + } +} + +// ----------------------------------------------------------------------- |