diff options
Diffstat (limited to 'vcl/source/gdi/svgdata.cxx')
| -rw-r--r-- | vcl/source/gdi/svgdata.cxx | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/vcl/source/gdi/svgdata.cxx b/vcl/source/gdi/svgdata.cxx new file mode 100644 index 000000000000..9efce0816322 --- /dev/null +++ b/vcl/source/gdi/svgdata.cxx @@ -0,0 +1,193 @@ +/* -*- 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 <vcl/svgdata.hxx> +#include <comphelper/processfactory.hxx> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/graphic/XSvgParser.hpp> +#include <com/sun/star/graphic/XPrimitive2DRenderer.hpp> +#include <com/sun/star/rendering/XIntegerReadOnlyBitmap.hpp> +#include <vcl/canvastools.hxx> +#include <comphelper/seqstream.hxx> +#include <vcl/svapp.hxx> +#include <vcl/outdev.hxx> + +////////////////////////////////////////////////////////////////////////////// + +using namespace ::com::sun::star; + +////////////////////////////////////////////////////////////////////////////// + +void SvgData::ensureReplacement() +{ + ensureSequenceAndRange(); + + if(maReplacement.IsEmpty() && maSequence.hasElements()) + { + // create replacement graphic from maSequence + // create XPrimitive2DRenderer + uno::Reference< lang::XMultiServiceFactory > xFactory(::comphelper::getProcessServiceFactory()); + const rtl::OUString aServiceName(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.graphic.Primitive2DTools")); + + try + { + const uno::Reference< graphic::XPrimitive2DRenderer > xPrimitive2DRenderer(xFactory->createInstance(aServiceName), uno::UNO_QUERY_THROW); + + if(xPrimitive2DRenderer.is()) + { + uno::Sequence< beans::PropertyValue > aViewParameters; + const basegfx::B2DRange& rRange(getRange()); + geometry::RealRectangle2D aRealRect; + + aRealRect.X1 = rRange.getMinX(); + aRealRect.Y1 = rRange.getMinY(); + aRealRect.X2 = rRange.getMaxX(); + aRealRect.Y2 = rRange.getMaxY(); + + // get system DPI + const Size aDPI(Application::GetDefaultDevice()->LogicToPixel(Size(1, 1), MAP_INCH)); + + const uno::Reference< rendering::XBitmap > xBitmap( + xPrimitive2DRenderer->rasterize( + maSequence, + aViewParameters, + aDPI.getWidth(), + aDPI.getHeight(), + aRealRect, + 500000)); + + if(xBitmap.is()) + { + const uno::Reference< rendering::XIntegerReadOnlyBitmap> xIntBmp(xBitmap, uno::UNO_QUERY_THROW); + + if(xIntBmp.is()) + { + maReplacement = vcl::unotools::bitmapExFromXBitmap(xIntBmp); + } + } + } + } + catch(const uno::Exception&) + { + OSL_ENSURE(sal_False, "Got no graphic::XPrimitive2DRenderer (!)" ); + } + } +} + +////////////////////////////////////////////////////////////////////////////// + +void SvgData::ensureSequenceAndRange() +{ + if(!maSequence.hasElements() && mnSvgDataArrayLength) + { + // import SVG to maSequence, also set maRange + maRange.reset(); + + // create stream + const uno::Sequence< sal_Int8 > aPostData((sal_Int8*)maSvgDataArray.get(), mnSvgDataArrayLength); + const uno::Reference< io::XInputStream > myInputStream(new comphelper::SequenceInputStream(aPostData)); + + if(myInputStream.is()) + { + // create SVG interpreter + uno::Reference< lang::XMultiServiceFactory > xFactory(::comphelper::getProcessServiceFactory()); + const rtl::OUString aServiceName(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.graphic.SvgTools")); + + try + { + const uno::Reference< graphic::XSvgParser > xSvgParser(xFactory->createInstance(aServiceName), uno::UNO_QUERY_THROW); + + if(xSvgParser.is()) + { + maSequence = xSvgParser->getDecomposition(myInputStream, maPath); + } + } + catch(const uno::Exception&) + { + OSL_ENSURE(sal_False, "Got no graphic::XSvgParser (!)" ); + } + } + + if(maSequence.hasElements()) + { + const sal_Int32 nCount(maSequence.getLength()); + geometry::RealRectangle2D aRealRect; + uno::Sequence< beans::PropertyValue > aViewParameters; + + for(sal_Int32 a(0L); a < nCount; a++) + { + // get reference + const Primitive2DReference xReference(maSequence[a]); + + if(xReference.is()) + { + aRealRect = xReference->getRange(aViewParameters); + + maRange.expand( + basegfx::B2DRange( + aRealRect.X1, + aRealRect.Y1, + aRealRect.X2, + aRealRect.Y2)); + } + } + } + } +} + +////////////////////////////////////////////////////////////////////////////// + +SvgData::SvgData(const SvgDataArray& rSvgDataArray, sal_uInt32 nSvgDataArrayLength, const rtl::OUString& rPath) +: maSvgDataArray(rSvgDataArray), + mnSvgDataArrayLength(nSvgDataArrayLength), + maPath(rPath), + maRange(), + maSequence(), + maReplacement() +{ +} + +////////////////////////////////////////////////////////////////////////////// + +const basegfx::B2DRange& SvgData::getRange() const +{ + const_cast< SvgData* >(this)->ensureSequenceAndRange(); + + return maRange; +} + +////////////////////////////////////////////////////////////////////////////// + +const Primitive2DSequence& SvgData::getPrimitive2DSequence() const +{ + const_cast< SvgData* >(this)->ensureSequenceAndRange(); + + return maSequence; +} + +////////////////////////////////////////////////////////////////////////////// + +const BitmapEx& SvgData::getReplacement() const +{ + const_cast< SvgData* >(this)->ensureReplacement(); + + return maReplacement; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |