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8bb04558b97a84ec45e0e93b91fa8b4c226f9032
libreoffice/oox/source/helper/graphichelper.cxx
Noel Grandin 8bb04558b9 loplugin:unnnecessaryvirtual 
Change-Id: I2aa9a8f14b6db2098931a14c6eed522a9d2653ed
Reviewed-on: https://gerrit.libreoffice.org/69682
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2019-03-26 09:06:51 +01:00

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/* -*- 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 <com/sun/star/container/XNameContainer.hpp>
#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/GraphicObject.hpp>
#include <com/sun/star/graphic/GraphicProvider.hpp>
#include <com/sun/star/graphic/XGraphicProvider.hpp>
#include <com/sun/star/util/MeasureUnit.hpp>
#include <osl/diagnose.h>
#include <sal/log.hxx>
#include <comphelper/seqstream.hxx>
#include <vcl/wmf.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 at the moment.
WmfExternal aHeader;
if (rStreamName.endsWith(".tiff") && !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: */
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