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Diffstat (limited to 'vcl/source/filter/wmf/emfwr.hxx')
-rw-r--r-- | vcl/source/filter/wmf/emfwr.hxx | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/vcl/source/filter/wmf/emfwr.hxx b/vcl/source/filter/wmf/emfwr.hxx new file mode 100644 index 0000000000..75f7f38196 --- /dev/null +++ b/vcl/source/filter/wmf/emfwr.hxx @@ -0,0 +1,111 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#pragma once + +#include <vcl/gdimtf.hxx> +#include <vcl/virdev.hxx> + +class LineInfo; +namespace basegfx { class B2DPolygon; } +enum class EmfPlusRecordType; + +class EMFWriter +{ +private: + + ScopedVclPtr<VirtualDevice> maVDev; + MapMode maDestMapMode; + SvStream& m_rStm; + std::vector<bool> mHandlesUsed; + sal_uLong mnHandleCount; + sal_uLong mnRecordCount; + sal_uInt64 mnRecordPos; + sal_uInt64 mnRecordPlusPos; + bool mbRecordOpen; + bool mbRecordPlusOpen; + bool mbLineChanged; + sal_uInt32 mnLineHandle; + bool mbFillChanged; + sal_uInt32 mnFillHandle; + bool mbTextChanged; + sal_uInt32 mnTextHandle; + sal_uInt32 mnHorTextAlign; + + void ImplBeginRecord( sal_uInt32 nType ); + void ImplEndRecord(); + void ImplBeginPlusRecord( EmfPlusRecordType nType, sal_uInt16 nFlags ); + void ImplEndPlusRecord(); + void ImplPlusRecord( EmfPlusRecordType nType, sal_uInt16 nFlags ); + void ImplBeginCommentRecord( sal_Int32 nCommentType ); + void ImplEndCommentRecord(); + + sal_uLong ImplAcquireHandle(); + void ImplReleaseHandle( sal_uLong nHandle ); + + bool ImplPrepareHandleSelect( sal_uInt32& rHandle, sal_uLong nSelectType ); + void ImplCheckLineAttr(); + void ImplCheckFillAttr(); + void ImplCheckTextAttr(); + + void ImplWriteColor( const Color& rColor ); + void ImplWriteRasterOp( RasterOp eRop ); + void ImplWriteExtent( tools::Long nExtent ); + void ImplWritePoint( const Point& rPoint ); + void ImplWriteSize( const Size& rSize); + void ImplWriteRect( const tools::Rectangle& rRect ); + void ImplWritePath( const tools::PolyPolygon& rPolyPoly, bool bClose ); + void ImplWritePolygonRecord( const tools::Polygon& rPoly, bool bClose ); + void ImplWritePolyPolygonRecord( const tools::PolyPolygon& rPolyPoly ); + void ImplWriteBmpRecord( const Bitmap& rBmp, const Point& rPt, const Size& rSz, sal_uInt32 nROP ); + void ImplWriteTextRecord( const Point& rPos, const OUString& rText, KernArraySpan pDXArray, sal_uInt32 nWidth ); + + void Impl_handleLineInfoPolyPolygons(const LineInfo& rInfo, const basegfx::B2DPolygon& rLinePolygon); + void ImplWrite( const GDIMetaFile& rMtf ); + void WriteEMFPlusHeader( const Size &rMtfSizePix, const Size &rMtfSizeLog ); + void ImplWritePlusEOF(); + void ImplWritePlusFillPolygonRecord( const tools::Polygon& rPoly, sal_uInt32 nTrans ); + void ImplWritePlusColor( const Color& rColor, sal_uInt32 nTrans ); + void ImplWritePlusPoint( const Point& rPoint ); + +public: + + explicit EMFWriter(SvStream &rStream) + : maVDev( VclPtr<VirtualDevice>::Create() ) + , m_rStm(rStream) + , mnHandleCount(0) + , mnRecordCount(0) + , mnRecordPos(0) + , mnRecordPlusPos(0) + , mbRecordOpen(false) + , mbRecordPlusOpen(false) + , mbLineChanged(false) + , mnLineHandle(0) + , mbFillChanged(false) + , mnFillHandle(0) + , mbTextChanged(false) + , mnTextHandle(0) + , mnHorTextAlign(0) + { + } + + bool WriteEMF(const GDIMetaFile& rMtf); +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |