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Diffstat (limited to 'oox/source/helper/graphichelper.cxx')
| -rw-r--r-- | oox/source/helper/graphichelper.cxx | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/oox/source/helper/graphichelper.cxx b/oox/source/helper/graphichelper.cxx new file mode 100644 index 000000000..85490fb43 --- /dev/null +++ b/oox/source/helper/graphichelper.cxx @@ -0,0 +1,384 @@ +/* -*- 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 <oox/helper/graphichelper.hxx> + +#include <com/sun/star/awt/Point.hpp> +#include <com/sun/star/awt/Size.hpp> +#include <com/sun/star/awt/XDevice.hpp> +#include <com/sun/star/awt/XUnitConversion.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/frame/Desktop.hpp> +#include <com/sun/star/graphic/GraphicProvider.hpp> +#include <com/sun/star/util/MeasureUnit.hpp> +#include <osl/diagnose.h> +#include <sal/log.hxx> +#include <comphelper/seqstream.hxx> +#include <vcl/wmfexternal.hxx> +#include <vcl/svapp.hxx> +#include <vcl/outdev.hxx> +#include <tools/gen.hxx> +#include <comphelper/propertysequence.hxx> +#include <comphelper/sequence.hxx> +#include <oox/helper/containerhelper.hxx> +#include <oox/helper/propertyset.hxx> +#include <oox/token/properties.hxx> +#include <oox/token/tokens.hxx> + +namespace oox { + +using namespace ::com::sun::star; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::frame; +using namespace ::com::sun::star::graphic; +using namespace ::com::sun::star::io; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::uno; + +namespace { + +sal_Int32 lclConvertScreenPixelToHmm( double fPixel, double fPixelPerHmm ) +{ + return static_cast< sal_Int32 >( (fPixelPerHmm > 0.0) ? (fPixel / fPixelPerHmm + 0.5) : 0.0 ); +} + +} // namespace + +GraphicHelper::GraphicHelper( const Reference< XComponentContext >& rxContext, const Reference< XFrame >& rxTargetFrame, const StorageRef& rxStorage ) : + mxContext( rxContext ), + mxStorage( rxStorage ) +{ + OSL_ENSURE( mxContext.is(), "GraphicHelper::GraphicHelper - missing component context" ); + if( mxContext.is() ) + mxGraphicProvider.set( graphic::GraphicProvider::create( mxContext ), uno::UNO_QUERY ); + + //! TODO: get colors from system + maSystemPalette[ XML_3dDkShadow ] = Color(0x716F64); + maSystemPalette[ XML_3dLight ] = Color(0xF1EFE2); + maSystemPalette[ XML_activeBorder ] = Color(0xD4D0C8); + maSystemPalette[ XML_activeCaption ] = Color(0x0054E3); + maSystemPalette[ XML_appWorkspace ] = Color(0x808080); + maSystemPalette[ XML_background ] = Color(0x004E98); + maSystemPalette[ XML_btnFace ] = Color(0xECE9D8); + maSystemPalette[ XML_btnHighlight ] = Color(0xFFFFFF); + maSystemPalette[ XML_btnShadow ] = Color(0xACA899); + maSystemPalette[ XML_btnText ] = Color(0x000000); + maSystemPalette[ XML_captionText ] = Color(0xFFFFFF); + maSystemPalette[ XML_gradientActiveCaption ] = Color(0x3D95FF); + maSystemPalette[ XML_gradientInactiveCaption ] = Color(0xD8E4F8); + maSystemPalette[ XML_grayText ] = Color(0xACA899); + maSystemPalette[ XML_highlight ] = Color(0x316AC5); + maSystemPalette[ XML_highlightText ] = Color(0xFFFFFF); + maSystemPalette[ XML_hotLight ] = Color(0x000080); + maSystemPalette[ XML_inactiveBorder ] = Color(0xD4D0C8); + maSystemPalette[ XML_inactiveCaption ] = Color(0x7A96DF); + maSystemPalette[ XML_inactiveCaptionText ] = Color(0xD8E4F8); + maSystemPalette[ XML_infoBk ] = Color(0xFFFFE1); + maSystemPalette[ XML_infoText ] = Color(0x000000); + maSystemPalette[ XML_menu ] = Color(0xFFFFFF); + maSystemPalette[ XML_menuBar ] = Color(0xECE9D8); + maSystemPalette[ XML_menuHighlight ] = Color(0x316AC5); + maSystemPalette[ XML_menuText ] = Color(0x000000); + maSystemPalette[ XML_scrollBar ] = Color(0xD4D0C8); + maSystemPalette[ XML_window ] = Color(0xFFFFFF); + maSystemPalette[ XML_windowFrame ] = Color(0x000000); + maSystemPalette[ XML_windowText ] = Color(0x000000); + + // if no target frame has been passed (e.g. OLE objects), try to fallback to the active frame + // TODO: we need some mechanism to keep and pass the parent frame + Reference< XFrame > xFrame = rxTargetFrame; + if( !xFrame.is() && mxContext.is() ) try + { + Reference< XDesktop2 > xFramesSupp = Desktop::create( mxContext ); + xFrame = xFramesSupp->getActiveFrame(); + } + catch( Exception& ) + { + } + + // get the metric of the output device + OSL_ENSURE( xFrame.is(), "GraphicHelper::GraphicHelper - cannot get target frame" ); + // some default just in case, 100 000 is 1 meter in MM100 + Size aDefault = Application::GetDefaultDevice()->LogicToPixel(Size(100000, 100000), MapMode(MapUnit::Map100thMM)); + maDeviceInfo.PixelPerMeterX = aDefault.Width(); + maDeviceInfo.PixelPerMeterY = aDefault.Height(); + if( xFrame.is() ) try + { + Reference< awt::XDevice > xDevice( xFrame->getContainerWindow(), UNO_QUERY_THROW ); + mxUnitConversion.set( xDevice, UNO_QUERY ); + OSL_ENSURE( mxUnitConversion.is(), "GraphicHelper::GraphicHelper - cannot get unit converter" ); + maDeviceInfo = xDevice->getInfo(); + } + catch( Exception& ) + { + OSL_FAIL( "GraphicHelper::GraphicHelper - cannot get output device info" ); + } + mfPixelPerHmmX = maDeviceInfo.PixelPerMeterX / 100000.0; + mfPixelPerHmmY = maDeviceInfo.PixelPerMeterY / 100000.0; +} + +GraphicHelper::~GraphicHelper() +{ +} + +// System colors and predefined colors ---------------------------------------- + +::Color GraphicHelper::getSystemColor( sal_Int32 nToken, ::Color nDefaultRgb ) const +{ + return ContainerHelper::getMapElement( maSystemPalette, nToken, nDefaultRgb ); +} + +::Color GraphicHelper::getSchemeColor( sal_Int32 /*nToken*/ ) const +{ + OSL_FAIL( "GraphicHelper::getSchemeColor - scheme colors not implemented" ); + return API_RGB_TRANSPARENT; +} + +::Color GraphicHelper::getPaletteColor( sal_Int32 /*nPaletteIdx*/ ) const +{ + OSL_FAIL( "GraphicHelper::getPaletteColor - palette colors not implemented" ); + return API_RGB_TRANSPARENT; +} + +sal_Int32 GraphicHelper::getDefaultChartAreaFillStyle() const +{ + return XML_solidFill; +} + +sal_Int32 GraphicHelper::getDefaultChartAreaLineStyle() +{ + return XML_solidFill; +} + +sal_Int16 GraphicHelper::getDefaultChartAreaLineWidth() +{ + // this value is what MSO 2016 writes fixing incomplete MSO 2010 documents (0.75 pt in emu) + return 9525; +} + +// Device info and device dependent unit conversion --------------------------- + +sal_Int32 GraphicHelper::convertScreenPixelXToHmm( double fPixelX ) const +{ + return lclConvertScreenPixelToHmm( fPixelX, mfPixelPerHmmX ); +} + +sal_Int32 GraphicHelper::convertScreenPixelYToHmm( double fPixelY ) const +{ + return lclConvertScreenPixelToHmm( fPixelY, mfPixelPerHmmY ); +} + +awt::Size GraphicHelper::convertScreenPixelToHmm( const awt::Size& rPixel ) const +{ + return awt::Size( convertScreenPixelXToHmm( rPixel.Width ), convertScreenPixelYToHmm( rPixel.Height ) ); +} + +double GraphicHelper::convertHmmToScreenPixelX( sal_Int32 nHmmX ) const +{ + return nHmmX * mfPixelPerHmmX; +} + +double GraphicHelper::convertHmmToScreenPixelY( sal_Int32 nHmmY ) const +{ + return nHmmY * mfPixelPerHmmY; +} + +awt::Point GraphicHelper::convertHmmToScreenPixel( const awt::Point& rHmm ) const +{ + return awt::Point( + static_cast< sal_Int32 >( convertHmmToScreenPixelX( rHmm.X ) + 0.5 ), + static_cast< sal_Int32 >( convertHmmToScreenPixelY( rHmm.Y ) + 0.5 ) ); +} + +awt::Size GraphicHelper::convertHmmToScreenPixel( const awt::Size& rHmm ) const +{ + return awt::Size( + static_cast< sal_Int32 >( convertHmmToScreenPixelX( rHmm.Width ) + 0.5 ), + static_cast< sal_Int32 >( convertHmmToScreenPixelY( rHmm.Height ) + 0.5 ) ); +} + +awt::Point GraphicHelper::convertHmmToAppFont( const awt::Point& rHmm ) const +{ + if( mxUnitConversion.is() ) try + { + awt::Point aPixel = convertHmmToScreenPixel( rHmm ); + return mxUnitConversion->convertPointToLogic( aPixel, css::util::MeasureUnit::APPFONT ); + } + catch( Exception& ) + { + } + return awt::Point( 0, 0 ); +} + +awt::Size GraphicHelper::convertHmmToAppFont( const awt::Size& rHmm ) const +{ + if( mxUnitConversion.is() ) try + { + awt::Size aPixel = convertHmmToScreenPixel( rHmm ); + return mxUnitConversion->convertSizeToLogic( aPixel, css::util::MeasureUnit::APPFONT ); + } + catch( Exception& ) + { + } + return awt::Size( 0, 0 ); +} + +// Graphics and graphic objects ---------------------------------------------- + +Reference< XGraphic > GraphicHelper::importGraphic( const Reference< XInputStream >& rxInStrm, + const WmfExternal* pExtHeader ) const +{ + Reference< XGraphic > xGraphic; + if( rxInStrm.is() && mxGraphicProvider.is() ) try + { + Sequence< PropertyValue > aArgs( 2 ); + aArgs[ 0 ].Name = "InputStream"; + aArgs[ 0 ].Value <<= rxInStrm; + aArgs[ 1 ].Name = "LazyRead"; + bool bLazyRead = !pExtHeader; + aArgs[ 1 ].Value <<= bLazyRead; + + if ( pExtHeader && pExtHeader->mapMode > 0 ) + { + aArgs.realloc( aArgs.getLength() + 1 ); + Sequence< PropertyValue > aFilterData( 3 ); + aFilterData[ 0 ].Name = "ExternalWidth"; + aFilterData[ 0 ].Value <<= pExtHeader->xExt; + aFilterData[ 1 ].Name = "ExternalHeight"; + aFilterData[ 1 ].Value <<= pExtHeader->yExt; + aFilterData[ 2 ].Name = "ExternalMapMode"; + aFilterData[ 2 ].Value <<= pExtHeader->mapMode; + aArgs[ 2 ].Name = "FilterData"; + aArgs[ 2 ].Value <<= aFilterData; + } + + xGraphic = mxGraphicProvider->queryGraphic( aArgs ); + } + catch( Exception& ) + { + } + return xGraphic; +} + +std::vector< uno::Reference<graphic::XGraphic> > GraphicHelper::importGraphics(const std::vector< uno::Reference<io::XInputStream> >& rStreams) const +{ + std::vector< uno::Sequence<beans::PropertyValue> > aArgsVec; + + for (const auto& rStream : rStreams) + { + uno::Sequence<beans::PropertyValue > aArgs = comphelper::InitPropertySequence( + { + {"InputStream", uno::makeAny(rStream)} + }); + aArgsVec.push_back(aArgs); + } + + std::vector< uno::Reference<graphic::XGraphic> > aRet; + + if (mxGraphicProvider.is()) + aRet = comphelper::sequenceToContainer< std::vector< uno::Reference<graphic::XGraphic> > >(mxGraphicProvider->queryGraphics(comphelper::containerToSequence(aArgsVec))); + + return aRet; +} + +Reference< XGraphic > GraphicHelper::importGraphic( const StreamDataSequence& rGraphicData ) const +{ + Reference< XGraphic > xGraphic; + if( rGraphicData.hasElements() ) + { + Reference< XInputStream > xInStrm( new ::comphelper::SequenceInputStream( rGraphicData ) ); + xGraphic = importGraphic( xInStrm ); + } + return xGraphic; +} + +void GraphicHelper::importEmbeddedGraphics(const std::vector<OUString>& rStreamNames) const +{ + // Don't actually return anything, just fill maEmbeddedGraphics. + + // Stream names and streams to be imported. + std::vector<OUString> aMissingStreamNames; + std::vector< uno::Reference<io::XInputStream> > aMissingStreams; + + for (const auto& rStreamName : rStreamNames) + { + if(rStreamName.isEmpty()) + { + SAL_WARN("oox", "GraphicHelper::importEmbeddedGraphics - empty stream name"); + continue; + } + + EmbeddedGraphicMap::const_iterator aIt = maEmbeddedGraphics.find(rStreamName); + if (aIt == maEmbeddedGraphics.end()) + { + aMissingStreamNames.push_back(rStreamName); + aMissingStreams.push_back(mxStorage->openInputStream(rStreamName)); + } + } + + std::vector< uno::Reference<graphic::XGraphic> > aGraphics = importGraphics(aMissingStreams); + + assert(aGraphics.size() == aMissingStreamNames.size()); + for (size_t i = 0; i < aGraphics.size(); ++i) + { + if (aGraphics[i].is()) + maEmbeddedGraphics[aMissingStreamNames[i]] = aGraphics[i]; + } +} + +Reference< XGraphic > GraphicHelper::importEmbeddedGraphic( const OUString& rStreamName, const WmfExternal* pExtHeader ) const +{ + Reference< XGraphic > xGraphic; + OSL_ENSURE( !rStreamName.isEmpty(), "GraphicHelper::importEmbeddedGraphic - empty stream name" ); + if( !rStreamName.isEmpty() ) + { + EmbeddedGraphicMap::const_iterator aIt = maEmbeddedGraphics.find( rStreamName ); + if( aIt == maEmbeddedGraphics.end() ) + { + // Lazy-loading doesn't work with TIFF or WMF at the moment. + WmfExternal aHeader; + if ( (rStreamName.endsWith(".tiff") || rStreamName.endsWith(".wmf") ) && !pExtHeader) + pExtHeader = &aHeader; + + xGraphic = importGraphic(mxStorage->openInputStream(rStreamName), pExtHeader); + if( xGraphic.is() ) + maEmbeddedGraphics[ rStreamName ] = xGraphic; + } + else + xGraphic = aIt->second; + } + return xGraphic; +} + +awt::Size GraphicHelper::getOriginalSize( const Reference< XGraphic >& xGraphic ) const +{ + awt::Size aSizeHmm; + PropertySet aPropSet( xGraphic ); + if( aPropSet.getProperty( aSizeHmm, PROP_Size100thMM ) && (aSizeHmm.Width == 0) && (aSizeHmm.Height == 0) ) // MAPMODE_PIXEL used? + { + awt::Size aSizePixel( 0, 0 ); + if( aPropSet.getProperty( aSizePixel, PROP_SizePixel ) ) + aSizeHmm = convertScreenPixelToHmm( aSizePixel ); + } + return aSizeHmm; +} + +} // namespace oox + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |