diff options
Diffstat (limited to 'oox/source/helper/graphichelper.cxx')
| -rw-r--r-- | oox/source/helper/graphichelper.cxx | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/oox/source/helper/graphichelper.cxx b/oox/source/helper/graphichelper.cxx new file mode 100644 index 000000000..f327d7eba --- /dev/null +++ b/oox/source/helper/graphichelper.cxx @@ -0,0 +1,323 @@ +/* -*- 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/beans/XPropertySet.hpp> +#include <com/sun/star/graphic/GraphicProvider.hpp> +#include <com/sun/star/graphic/GraphicMapper.hpp> +#include <osl/diagnose.h> +#include <sal/log.hxx> +#include <comphelper/propertyvalue.hxx> +#include <comphelper/seqstream.hxx> +#include <vcl/wmfexternal.hxx> +#include <vcl/svapp.hxx> +#include <vcl/outdev.hxx> +#include <tools/gen.hxx> +#include <tools/diagnose_ex.h> +#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); + + // Note that we cannot try to get DeviceInfo from the current frame here, + // because there might not be a current frame yet + mxDefaultOutputDevice = Application::GetDefaultDevice(); + maDeviceInfo = mxDefaultOutputDevice->GetDeviceInfo(); + // 100 000 is 1 meter in MM100. + // various unit tests rely on these values being exactly this and not the "true" values + Size aDefault = mxDefaultOutputDevice->LogicToPixel(Size(100000, 100000), MapMode(MapUnit::Map100thMM)); + maDeviceInfo.PixelPerMeterX = aDefault.Width(); + maDeviceInfo.PixelPerMeterY = aDefault.Height(); + 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 +{ + try + { + awt::Point aPixel = convertHmmToScreenPixel( rHmm ); + MapMode aMode(MapUnit::MapAppFont); + ::Point aVCLPoint(aPixel.X, aPixel.Y); + ::Point aDevPoint = mxDefaultOutputDevice->PixelToLogic(aVCLPoint, aMode ); + return awt::Point(aDevPoint.X(), aDevPoint.Y()); + } + catch( Exception& ) + { + DBG_UNHANDLED_EXCEPTION("oox"); + } + return awt::Point( 0, 0 ); +} + +awt::Size GraphicHelper::convertHmmToAppFont( const awt::Size& rHmm ) const +{ + try + { + awt::Size aPixel = convertHmmToScreenPixel( rHmm ); + MapMode aMode(MapUnit::MapAppFont); + ::Size aVCLSize(aPixel.Width, aPixel.Height); + ::Size aDevSz = mxDefaultOutputDevice->PixelToLogic(aVCLSize, aMode ); + return awt::Size(aDevSz.Width(), aDevSz.Height()); + } + catch( Exception& ) + { + DBG_UNHANDLED_EXCEPTION("oox"); + } + 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{ comphelper::makePropertyValue("InputStream", rxInStrm), + comphelper::makePropertyValue("LazyRead", true) }; + + if ( pExtHeader && pExtHeader->mapMode > 0 ) + { + aArgs.realloc( aArgs.getLength() + 1 ); + auto pArgs = aArgs.getArray(); + Sequence< PropertyValue > aFilterData{ + comphelper::makePropertyValue("ExternalWidth", pExtHeader->xExt), + comphelper::makePropertyValue("ExternalHeight", pExtHeader->yExt), + comphelper::makePropertyValue("ExternalMapMode", pExtHeader->mapMode) + }; + pArgs[ 2 ].Name = "FilterData"; + pArgs[ 2 ].Value <<= aFilterData; + } + + xGraphic = mxGraphicProvider->queryGraphic( aArgs ); + } + catch( Exception& ) + { + } + return xGraphic; +} + +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; +} + +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() ) + { + initializeGraphicMapperIfNeeded(); + + SAL_WARN_IF(!mxGraphicMapper.is(), "oox", "GraphicHelper::importEmbeddedGraphic - graphic mapper not available"); + + xGraphic = mxGraphicMapper->findGraphic(rStreamName); + if (!xGraphic.is()) + { + auto xStream = mxStorage->openInputStream(rStreamName); + xGraphic = importGraphic(xStream, pExtHeader); + if (xGraphic.is()) + mxGraphicMapper->putGraphic(rStreamName, xGraphic); + } + } + 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; +} + +void GraphicHelper::setGraphicMapper(css::uno::Reference<css::graphic::XGraphicMapper> const & rGraphicMapper) +{ + mxGraphicMapper = rGraphicMapper; +} + +void GraphicHelper::initializeGraphicMapperIfNeeded() const +{ + if (!mxGraphicMapper.is()) + { + auto* pNonConstThis = const_cast<GraphicHelper*>(this); + pNonConstThis->mxGraphicMapper = graphic::GraphicMapper::create(mxContext); + } +} + +} // namespace oox + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |