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libreoffice/oox/source/helper/graphichelper.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

328 lines
12 KiB
C++

/* -*- 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 <utility>
#include <vcl/wmfexternal.hxx>
#include <vcl/svapp.hxx>
#include <vcl/outdev.hxx>
#include <tools/gen.hxx>
#include <comphelper/diagnose_ex.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::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*/, StorageRef xStorage ) :
mxContext( rxContext ),
mxStorage(std::move( xStorage ))
{
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 );
}
void GraphicHelper::getSchemeColorToken(sal_Int32& /*nToken*/) const {}
::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 bool bLazyLoad ) const
{
Reference< XGraphic > xGraphic;
if( rxInStrm.is() && mxGraphicProvider.is() ) try
{
Sequence< PropertyValue > aArgs{ comphelper::makePropertyValue(u"InputStream"_ustr, rxInStrm),
comphelper::makePropertyValue(u"LazyRead"_ustr, bLazyLoad) };
if ( pExtHeader && pExtHeader->mapMode > 0 )
{
aArgs.realloc( aArgs.getLength() + 1 );
auto pArgs = aArgs.getArray();
Sequence< PropertyValue > aFilterData{
comphelper::makePropertyValue(u"ExternalWidth"_ustr, pExtHeader->xExt),
comphelper::makePropertyValue(u"ExternalHeight"_ustr, pExtHeader->yExt),
comphelper::makePropertyValue(u"ExternalMapMode"_ustr, 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())
{
// Lazy-loading doesn't work with cropped TIFF images, because in case of Lazy-load TIFF images
// we are using MapUnit::MapPixel, but in case of cropped images we are using MapUnit::Map100thMM
// and the crop values are relative to original bitmap size.
auto xStream = mxStorage->openInputStream(rStreamName);
xGraphic = importGraphic(xStream, pExtHeader, !rStreamName.endsWith(".tiff"));
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: */