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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 <sal/config.h>
#include <sal/log.hxx>
#include <comphelper/base64.hxx>
#include <comphelper/graphicmimetype.hxx>
#include <tools/debug.hxx>
#include <vcl/virdev.hxx>
#include <sfx2/docfile.hxx>
#include <svx/xoutbmp.hxx>
#include <vcl/graphicfilter.hxx>
#include <vcl/cvtgrf.hxx>
#include <memory>
constexpr OUStringLiteral FORMAT_BMP = u"bmp";
constexpr OUStringLiteral FORMAT_GIF = u"gif";
constexpr OUStringLiteral FORMAT_JPG = u"jpg";
constexpr OUStringLiteral FORMAT_PNG = u"png";
constexpr OUStringLiteral FORMAT_WEBP = u"webp";
using namespace com::sun::star;
Animation XOutBitmap::MirrorAnimation( const Animation& rAnimation, bool bHMirr, bool bVMirr )
{
Animation aNewAnim( rAnimation );
if( bHMirr || bVMirr )
{
const Size& rGlobalSize = aNewAnim.GetDisplaySizePixel();
BmpMirrorFlags nMirrorFlags = BmpMirrorFlags::NONE;
if( bHMirr )
nMirrorFlags |= BmpMirrorFlags::Horizontal;
if( bVMirr )
nMirrorFlags |= BmpMirrorFlags::Vertical;
for( sal_uInt16 i = 0, nCount = aNewAnim.Count(); i < nCount; i++ )
{
AnimationBitmap aAnimationBitmap( aNewAnim.Get( i ) );
// mirror the BitmapEx
aAnimationBitmap.maBitmapEx.Mirror( nMirrorFlags );
// Adjust the positions inside the whole bitmap
if( bHMirr )
aAnimationBitmap.maPositionPixel.setX(rGlobalSize.Width() - aAnimationBitmap.maPositionPixel.X() -
aAnimationBitmap.maSizePixel.Width());
if( bVMirr )
aAnimationBitmap.maPositionPixel.setY(rGlobalSize.Height() - aAnimationBitmap.maPositionPixel.Y() -
aAnimationBitmap.maSizePixel.Height());
aNewAnim.Replace(aAnimationBitmap, i);
}
}
return aNewAnim;
}
Graphic XOutBitmap::MirrorGraphic( const Graphic& rGraphic, const BmpMirrorFlags nMirrorFlags )
{
Graphic aRetGraphic;
if( nMirrorFlags != BmpMirrorFlags::NONE )
{
if( rGraphic.IsAnimated() )
{
aRetGraphic = MirrorAnimation( rGraphic.GetAnimation(),
bool( nMirrorFlags & BmpMirrorFlags::Horizontal ),
bool( nMirrorFlags & BmpMirrorFlags::Vertical ) );
}
else
{
BitmapEx aBmp( rGraphic.GetBitmapEx() );
aBmp.Mirror( nMirrorFlags );
aRetGraphic = aBmp;
}
}
else
aRetGraphic = rGraphic;
return aRetGraphic;
}
ErrCode XOutBitmap::WriteGraphic( const Graphic& rGraphic, OUString& rFileName,
const OUString& rFilterName, const XOutFlags nFlags,
const Size* pMtfSize_100TH_MM,
const css::uno::Sequence< css::beans::PropertyValue >* pFilterData )
{
if( rGraphic.GetType() == GraphicType::NONE )
return ERRCODE_NONE;
INetURLObject aURL( rFileName );
Graphic aGraphic;
OUString aExt;
GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
ErrCode nErr = ERRCODE_GRFILTER_FILTERERROR;
bool bTransparent = rGraphic.IsTransparent(), bAnimated = rGraphic.IsAnimated();
DBG_ASSERT( aURL.GetProtocol() != INetProtocol::NotValid, "XOutBitmap::WriteGraphic(...): invalid URL" );
// calculate correct file name
if( !( nFlags & XOutFlags::DontExpandFilename ) )
{
OUString aStr( OUString::number( rGraphic.GetChecksum(), 16 ) );
if ( aStr[0] == '-' )
aStr = OUString::Concat("m") + aStr.subView(1);
OUString aName = aURL.getBase() + "_" + aURL.getExtension() + "_" + aStr;
aURL.setBase( aName );
}
// #i121128# use shortcut to write Vector Graphic Data data in original form (if possible)
auto const & rVectorGraphicDataPtr(rGraphic.getVectorGraphicData());
if (rVectorGraphicDataPtr && rVectorGraphicDataPtr->getBinaryDataContainer().getSize())
{
// Does the filter name match the original format?
const bool bIsSvg(rFilterName.equalsIgnoreAsciiCase("svg") && VectorGraphicDataType::Svg == rVectorGraphicDataPtr->getType());
const bool bIsWmf(rFilterName.equalsIgnoreAsciiCase("wmf") && VectorGraphicDataType::Wmf == rVectorGraphicDataPtr->getType());
bool bIsEmf(rFilterName.equalsIgnoreAsciiCase("emf") && VectorGraphicDataType::Emf == rVectorGraphicDataPtr->getType());
if (!bIsEmf)
{
bIsEmf = rFilterName.equalsIgnoreAsciiCase("emf") && rGraphic.GetGfxLink().IsEMF();
}
const bool bIsPdf(rFilterName.equalsIgnoreAsciiCase("pdf") && VectorGraphicDataType::Pdf == rVectorGraphicDataPtr->getType());
if (bIsSvg || bIsWmf || bIsEmf || bIsPdf)
{
if (!(nFlags & XOutFlags::DontAddExtension))
{
aURL.setExtension(rFilterName);
}
rFileName = aURL.GetMainURL(INetURLObject::DecodeMechanism::NONE);
SfxMedium aMedium(aURL.GetMainURL(INetURLObject::DecodeMechanism::NONE), StreamMode::WRITE | StreamMode::SHARE_DENYNONE | StreamMode::TRUNC);
SvStream* pOStm = aMedium.GetOutStream();
if (pOStm)
{
auto & rDataContainer = rVectorGraphicDataPtr->getBinaryDataContainer();
pOStm->WriteBytes(rDataContainer.getData(), rDataContainer.getSize());
aMedium.Commit();
if (!aMedium.GetError())
return ERRCODE_NONE;
}
}
}
if( ( nFlags & XOutFlags::UseNativeIfPossible ) &&
!( nFlags & XOutFlags::MirrorHorz ) &&
!( nFlags & XOutFlags::MirrorVert ) &&
( rGraphic.GetType() != GraphicType::GdiMetafile ) && rGraphic.IsGfxLink() )
{
// try to write native link
const GfxLink aGfxLink( rGraphic.GetGfxLink() );
switch( aGfxLink.GetType() )
{
case GfxLinkType::NativeGif: aExt = FORMAT_GIF; break;
// #i15508# added BMP type for better exports (no call/trigger found, prob used in HTML export)
case GfxLinkType::NativeBmp: aExt = FORMAT_BMP; break;
case GfxLinkType::NativeJpg: aExt = FORMAT_JPG; break;
case GfxLinkType::NativePng: aExt = FORMAT_PNG; break;
case GfxLinkType::NativeWebp: aExt = FORMAT_WEBP; break;
default:
break;
}
// tdf#60684: use native format if possible but it must correspond to filter name
// or no specific format has been required
// without this, you may save for example file with png extension but jpg content
if( !aExt.isEmpty() && (aExt == rFilterName || rFilterName.isEmpty()) )
{
if( !(nFlags & XOutFlags::DontAddExtension) )
aURL.setExtension( aExt );
rFileName = aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE );
SfxMedium aMedium(aURL.GetMainURL(INetURLObject::DecodeMechanism::NONE), StreamMode::WRITE | StreamMode::SHARE_DENYNONE | StreamMode::TRUNC);
SvStream* pOStm = aMedium.GetOutStream();
if( pOStm && aGfxLink.GetDataSize() && aGfxLink.GetData() )
{
pOStm->WriteBytes(aGfxLink.GetData(), aGfxLink.GetDataSize());
aMedium.Commit();
if( !aMedium.GetError() )
return ERRCODE_NONE;
}
}
}
OUString aFilter( rFilterName );
bool bWriteTransGrf = ( aFilter.equalsIgnoreAsciiCase( "transgrf" ) ) ||
( aFilter.equalsIgnoreAsciiCase( "gif" ) ) ||
( nFlags & XOutFlags::UseGifIfPossible ) ||
( ( nFlags & XOutFlags::UseGifIfSensible ) && ( bAnimated || bTransparent ) );
// get filter and extension
if( bWriteTransGrf )
aFilter = FORMAT_GIF;
sal_uInt16 nFilter = rFilter.GetExportFormatNumberForShortName( aFilter );
if( GRFILTER_FORMAT_NOTFOUND == nFilter )
{
nFilter = rFilter.GetExportFormatNumberForShortName( FORMAT_PNG );
if( GRFILTER_FORMAT_NOTFOUND == nFilter )
nFilter = rFilter.GetExportFormatNumberForShortName( FORMAT_BMP );
}
if( GRFILTER_FORMAT_NOTFOUND != nFilter )
{
aExt = rFilter.GetExportFormatShortName( nFilter ).toAsciiLowerCase();
if( bWriteTransGrf )
{
if( bAnimated )
aGraphic = rGraphic;
else
{
if( pMtfSize_100TH_MM && ( rGraphic.GetType() != GraphicType::Bitmap ) )
{
ScopedVclPtrInstance< VirtualDevice > pVDev;
const Size aSize(pVDev->LogicToPixel(*pMtfSize_100TH_MM, MapMode(MapUnit::Map100thMM)));
if( pVDev->SetOutputSizePixel( aSize ) )
{
const Wallpaper aWallpaper( pVDev->GetBackground() );
const Point aPt;
pVDev->SetBackground( Wallpaper( COL_BLACK ) );
pVDev->Erase();
rGraphic.Draw(*pVDev, aPt, aSize);
const Bitmap aBitmap( pVDev->GetBitmap( aPt, aSize ) );
pVDev->SetBackground( aWallpaper );
pVDev->Erase();
rGraphic.Draw(*pVDev, aPt, aSize);
pVDev->SetRasterOp( RasterOp::Xor );
pVDev->DrawBitmap( aPt, aSize, aBitmap );
aGraphic = BitmapEx( aBitmap, pVDev->GetBitmap( aPt, aSize ) );
}
else
aGraphic = rGraphic.GetBitmapEx();
}
else
aGraphic = rGraphic.GetBitmapEx();
}
}
else
{
if( pMtfSize_100TH_MM && ( rGraphic.GetType() != GraphicType::Bitmap ) )
{
ScopedVclPtrInstance< VirtualDevice > pVDev;
const Size aSize(pVDev->LogicToPixel(*pMtfSize_100TH_MM, MapMode(MapUnit::Map100thMM)));
if( pVDev->SetOutputSizePixel( aSize ) )
{
rGraphic.Draw(*pVDev, Point(), aSize);
aGraphic = BitmapEx(pVDev->GetBitmap(Point(), aSize));
}
else
aGraphic = rGraphic.GetBitmapEx();
}
else
aGraphic = rGraphic.GetBitmapEx();
}
// mirror?
if( ( nFlags & XOutFlags::MirrorHorz ) || ( nFlags & XOutFlags::MirrorVert ) )
{
BmpMirrorFlags nBmpMirrorFlags = BmpMirrorFlags::NONE;
if( nFlags & XOutFlags::MirrorHorz )
nBmpMirrorFlags |= BmpMirrorFlags::Horizontal;
if( nFlags & XOutFlags::MirrorVert )
nBmpMirrorFlags |= BmpMirrorFlags::Vertical;
aGraphic = MirrorGraphic( aGraphic, nBmpMirrorFlags );
}
if (aGraphic.GetType() != GraphicType::NONE)
{
if( !(nFlags & XOutFlags::DontAddExtension) )
aURL.setExtension( aExt );
rFileName = aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE );
nErr = ExportGraphic( aGraphic, aURL, rFilter, nFilter, pFilterData );
}
}
return nErr;
}
bool XOutBitmap::GraphicToBase64(const Graphic& rGraphic, OUString& rOUString, bool bAddPrefix,
ConvertDataFormat aTargetFormat)
{
SvMemoryStream aOStm;
GfxLink aLink = rGraphic.GetGfxLink();
if (aTargetFormat == ConvertDataFormat::Unknown)
{
switch (aLink.GetType())
{
case GfxLinkType::NativeJpg:
aTargetFormat = ConvertDataFormat::JPG;
break;
case GfxLinkType::NativePng:
aTargetFormat = ConvertDataFormat::PNG;
break;
case GfxLinkType::NativeSvg:
aTargetFormat = ConvertDataFormat::SVG;
break;
default:
// save everything else (including gif) into png
aTargetFormat = ConvertDataFormat::PNG;
break;
}
}
ErrCode nErr = GraphicConverter::Export(aOStm,rGraphic,aTargetFormat);
if ( nErr )
{
SAL_WARN("svx", "XOutBitmap::GraphicToBase64() invalid Graphic? error: " << nErr );
return false;
}
css::uno::Sequence<sal_Int8> aOStmSeq( static_cast<sal_Int8 const *>(aOStm.GetData()),aOStm.TellEnd() );
OUStringBuffer aStrBuffer;
::comphelper::Base64::encode(aStrBuffer,aOStmSeq);
rOUString = aStrBuffer.makeStringAndClear();
if (bAddPrefix)
{
OUString aMimeType
= comphelper::GraphicMimeTypeHelper::GetMimeTypeForConvertDataFormat(aTargetFormat);
rOUString = aMimeType + ";base64," + rOUString;
}
return true;
}
ErrCode XOutBitmap::ExportGraphic( const Graphic& rGraphic, const INetURLObject& rURL,
GraphicFilter& rFilter, const sal_uInt16 nFormat,
const css::uno::Sequence< css::beans::PropertyValue >* pFilterData )
{
DBG_ASSERT( rURL.GetProtocol() != INetProtocol::NotValid, "XOutBitmap::ExportGraphic(...): invalid URL" );
SfxMedium aMedium( rURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), StreamMode::WRITE | StreamMode::SHARE_DENYNONE | StreamMode::TRUNC );
SvStream* pOStm = aMedium.GetOutStream();
ErrCode nRet = ERRCODE_GRFILTER_IOERROR;
if( pOStm )
{
nRet = rFilter.ExportGraphic( rGraphic, rURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), *pOStm, nFormat, pFilterData );
aMedium.Commit();
if( aMedium.GetError() && ( ERRCODE_NONE == nRet ) )
nRet = ERRCODE_GRFILTER_IOERROR;
}
return nRet;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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