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Diffstat (limited to 'vcl/source/gdi/vectorgraphicdata.cxx')
| -rw-r--r-- | vcl/source/gdi/vectorgraphicdata.cxx | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/vcl/source/gdi/vectorgraphicdata.cxx b/vcl/source/gdi/vectorgraphicdata.cxx new file mode 100644 index 000000000..80195dc26 --- /dev/null +++ b/vcl/source/gdi/vectorgraphicdata.cxx @@ -0,0 +1,358 @@ +/* -*- 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 . + */ + +#include <tools/diagnose_ex.h> +#include <tools/stream.hxx> +#include <sal/log.hxx> +#include <vcl/vectorgraphicdata.hxx> +#include <comphelper/processfactory.hxx> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/graphic/PdfTools.hpp> +#include <com/sun/star/graphic/SvgTools.hpp> +#include <com/sun/star/graphic/EmfTools.hpp> +#include <com/sun/star/graphic/Primitive2DTools.hpp> +#include <com/sun/star/rendering/XIntegerReadOnlyBitmap.hpp> +#include <com/sun/star/util/XAccounting.hpp> +#include <basegfx/matrix/b2dhommatrixtools.hxx> +#include <vcl/canvastools.hxx> +#include <comphelper/seqstream.hxx> +#include <comphelper/sequence.hxx> +#include <comphelper/propertysequence.hxx> +#include <vcl/svapp.hxx> +#include <vcl/outdev.hxx> +#include <vcl/wmfexternal.hxx> +#include <vcl/pdfread.hxx> + +using namespace ::com::sun::star; + +BitmapEx convertPrimitive2DSequenceToBitmapEx( + const std::deque< css::uno::Reference< css::graphic::XPrimitive2D > >& rSequence, + const basegfx::B2DRange& rTargetRange, + const sal_uInt32 nMaximumQuadraticPixels) +{ + BitmapEx aRetval; + + if(!rSequence.empty()) + { + // create replacement graphic from maSequence + // create XPrimitive2DRenderer + try + { + uno::Reference< uno::XComponentContext > xContext(::comphelper::getProcessComponentContext()); + const uno::Reference< graphic::XPrimitive2DRenderer > xPrimitive2DRenderer = graphic::Primitive2DTools::create(xContext); + + uno::Sequence< beans::PropertyValue > aViewParameters; + geometry::RealRectangle2D aRealRect; + + aRealRect.X1 = rTargetRange.getMinX(); + aRealRect.Y1 = rTargetRange.getMinY(); + aRealRect.X2 = rTargetRange.getMaxX(); + aRealRect.Y2 = rTargetRange.getMaxY(); + + // get system DPI + const Size aDPI(Application::GetDefaultDevice()->LogicToPixel(Size(1, 1), MapMode(MapUnit::MapInch))); + + const uno::Reference< rendering::XBitmap > xBitmap( + xPrimitive2DRenderer->rasterize( + comphelper::containerToSequence(rSequence), + aViewParameters, + aDPI.getWidth(), + aDPI.getHeight(), + aRealRect, + nMaximumQuadraticPixels)); + + if(xBitmap.is()) + { + const uno::Reference< rendering::XIntegerReadOnlyBitmap> xIntBmp(xBitmap, uno::UNO_QUERY_THROW); + aRetval = vcl::unotools::bitmapExFromXBitmap(xIntBmp); + } + } + catch (const uno::Exception&) + { + TOOLS_WARN_EXCEPTION("vcl", "Got no graphic::XPrimitive2DRenderer!"); + } + catch (const std::exception& e) + { + SAL_WARN("vcl", "Got no graphic::XPrimitive2DRenderer! : " << e.what()); + } + } + + return aRetval; +} + +static size_t estimateSize( + std::deque<uno::Reference<graphic::XPrimitive2D>> const& rSequence) +{ + size_t nRet(0); + for (auto& it : rSequence) + { + uno::Reference<util::XAccounting> const xAcc(it, uno::UNO_QUERY); + assert(xAcc.is()); // we expect only BasePrimitive2D from SVG parser + nRet += xAcc->estimateUsage(); + } + return nRet; +} + +bool VectorGraphicData::operator==(const VectorGraphicData& rCandidate) const +{ + if (getVectorGraphicDataType() == rCandidate.getVectorGraphicDataType()) + { + if (getVectorGraphicDataArrayLength() == rCandidate.getVectorGraphicDataArrayLength()) + { + if (0 == memcmp( + getVectorGraphicDataArray().getConstArray(), + rCandidate.getVectorGraphicDataArray().getConstArray(), + getVectorGraphicDataArrayLength())) + { + return true; + } + } + } + + return false; +} + +void VectorGraphicData::setWmfExternalHeader(const WmfExternal& aExtHeader) +{ + if (!mpExternalHeader) + { + mpExternalHeader.reset( new WmfExternal ); + } + + *mpExternalHeader = aExtHeader; +} + +void VectorGraphicData::ensurePdfReplacement() +{ + assert(getVectorGraphicDataType() == VectorGraphicDataType::Pdf); + + if (!maReplacement.IsEmpty()) + return; // nothing to do + + // use PDFium directly + std::vector<Bitmap> aBitmaps; + sal_Int32 nUsePageIndex = 0; + if (mnPageIndex >= 0) + nUsePageIndex = mnPageIndex; + vcl::RenderPDFBitmaps(maVectorGraphicDataArray.getConstArray(), + maVectorGraphicDataArray.getLength(), aBitmaps, nUsePageIndex, 1, + &maSizeHint); + if (!aBitmaps.empty()) + maReplacement = aBitmaps[0]; +} + +void VectorGraphicData::ensureReplacement() +{ + if (!maReplacement.IsEmpty()) + return; // nothing to do + + // shortcut for PDF - PDFium can generate the replacement bitmap for us + // directly + if (getVectorGraphicDataType() == VectorGraphicDataType::Pdf) + { + ensurePdfReplacement(); + return; + } + + ensureSequenceAndRange(); + + if (!maSequence.empty()) + { + maReplacement = convertPrimitive2DSequenceToBitmapEx(maSequence, getRange()); + } +} + +void VectorGraphicData::ensureSequenceAndRange() +{ + if (!mbSequenceCreated && maVectorGraphicDataArray.hasElements()) + { + // import SVG to maSequence, also set maRange + maRange.reset(); + + // create Vector Graphic Data interpreter + uno::Reference<uno::XComponentContext> xContext(::comphelper::getProcessComponentContext()); + + switch (getVectorGraphicDataType()) + { + case VectorGraphicDataType::Svg: + { + const uno::Reference< graphic::XSvgParser > xSvgParser = graphic::SvgTools::create(xContext); + const uno::Reference< io::XInputStream > myInputStream(new comphelper::SequenceInputStream(maVectorGraphicDataArray)); + + if (myInputStream.is()) + maSequence = comphelper::sequenceToContainer<std::deque<css::uno::Reference< css::graphic::XPrimitive2D >>>(xSvgParser->getDecomposition(myInputStream, maPath)); + + break; + } + case VectorGraphicDataType::Emf: + case VectorGraphicDataType::Wmf: + { + const uno::Reference< graphic::XEmfParser > xEmfParser = graphic::EmfTools::create(xContext); + const uno::Reference< io::XInputStream > myInputStream(new comphelper::SequenceInputStream(maVectorGraphicDataArray)); + uno::Sequence< ::beans::PropertyValue > aSequence; + + if (mpExternalHeader) + { + aSequence = mpExternalHeader->getSequence(); + } + + if (myInputStream.is()) + { + // Pass the size hint of the graphic to the EMF parser. + geometry::RealPoint2D aSizeHint; + aSizeHint.X = maSizeHint.getX(); + aSizeHint.Y = maSizeHint.getY(); + xEmfParser->setSizeHint(aSizeHint); + + maSequence = comphelper::sequenceToContainer<std::deque<css::uno::Reference< css::graphic::XPrimitive2D >>>(xEmfParser->getDecomposition(myInputStream, maPath, aSequence)); + } + + break; + } + case VectorGraphicDataType::Pdf: + { + const uno::Reference<graphic::XPdfDecomposer> xPdfDecomposer = graphic::PdfTools::create(xContext); + uno::Sequence<beans::PropertyValue> aDecompositionParameters = comphelper::InitPropertySequence({ + {"PageIndex", uno::makeAny<sal_Int32>(mnPageIndex)}, + }); + auto xPrimitive2D = xPdfDecomposer->getDecomposition(maVectorGraphicDataArray, aDecompositionParameters); + maSequence = comphelper::sequenceToContainer<std::deque<uno::Reference<graphic::XPrimitive2D>>>(xPrimitive2D); + + break; + } + } + + if(!maSequence.empty()) + { + const sal_Int32 nCount(maSequence.size()); + geometry::RealRectangle2D aRealRect; + uno::Sequence< beans::PropertyValue > aViewParameters; + + for(sal_Int32 a(0); a < nCount; a++) + { + // get reference + const css::uno::Reference< css::graphic::XPrimitive2D > xReference(maSequence[a]); + + if(xReference.is()) + { + aRealRect = xReference->getRange(aViewParameters); + + maRange.expand( + basegfx::B2DRange( + aRealRect.X1, + aRealRect.Y1, + aRealRect.X2, + aRealRect.Y2)); + } + } + } + mNestedBitmapSize = estimateSize(maSequence); + mbSequenceCreated = true; + } +} + +auto VectorGraphicData::getSizeBytes() const -> std::pair<State, size_t> +{ + if (maSequence.empty() && maVectorGraphicDataArray.hasElements()) + { + return std::make_pair(State::UNPARSED, maVectorGraphicDataArray.getLength()); + } + else + { + return std::make_pair(State::PARSED, maVectorGraphicDataArray.getLength() + mNestedBitmapSize); + } +} + +VectorGraphicData::VectorGraphicData( + const VectorGraphicDataArray& rVectorGraphicDataArray, + const OUString& rPath, + VectorGraphicDataType eVectorDataType, + sal_Int32 nPageIndex) +: maVectorGraphicDataArray(rVectorGraphicDataArray), + maPath(rPath), + mbSequenceCreated(false), + maRange(), + maSequence(), + maReplacement(), + mNestedBitmapSize(0), + meVectorGraphicDataType(eVectorDataType), + mnPageIndex(nPageIndex) +{ +} + +VectorGraphicData::VectorGraphicData( + const OUString& rPath, + VectorGraphicDataType eVectorDataType) +: maVectorGraphicDataArray(), + maPath(rPath), + mbSequenceCreated(false), + maRange(), + maSequence(), + maReplacement(), + mNestedBitmapSize(0), + meVectorGraphicDataType(eVectorDataType), + mnPageIndex(-1) +{ + SvFileStream rIStm(rPath, StreamMode::STD_READ); + if(rIStm.GetError()) + return; + const sal_uInt32 nStmLen(rIStm.remainingSize()); + if (nStmLen) + { + maVectorGraphicDataArray.realloc(nStmLen); + rIStm.ReadBytes(maVectorGraphicDataArray.begin(), nStmLen); + + if (rIStm.GetError()) + { + maVectorGraphicDataArray = VectorGraphicDataArray(); + } + } +} + +VectorGraphicData::~VectorGraphicData() +{ +} + +const basegfx::B2DRange& VectorGraphicData::getRange() const +{ + const_cast< VectorGraphicData* >(this)->ensureSequenceAndRange(); + + return maRange; +} + +const std::deque< css::uno::Reference< css::graphic::XPrimitive2D > >& VectorGraphicData::getPrimitive2DSequence() const +{ + const_cast< VectorGraphicData* >(this)->ensureSequenceAndRange(); + + return maSequence; +} + +const BitmapEx& VectorGraphicData::getReplacement() const +{ + const_cast< VectorGraphicData* >(this)->ensureReplacement(); + + return maReplacement; +} + +BitmapChecksum VectorGraphicData::GetChecksum() const +{ + return vcl_get_checksum(0, maVectorGraphicDataArray.getConstArray(), maVectorGraphicDataArray.getLength()); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |