vcl/source/graphic/UnoGraphicProvider.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <vcl/svapp.hxx>
  21 #include <vcl/image.hxx>
  22 #include <vcl/metaact.hxx>
  23 #include <vcl/msgbox.hxx>
  24 #include <vcl/imagerepository.hxx>
  25 #include <tools/fract.hxx>
  26 #include <unotools/ucbstreamhelper.hxx>
  27 #include <vcl/graphicfilter.hxx>
  28 #include <vcl/wmfexternal.hxx>
  29 #include <vcl/virdev.hxx>
  30 #include <com/sun/star/awt/XBitmap.hpp>
  31 #include <com/sun/star/graphic/XGraphicProvider2.hpp>
  32 #include <com/sun/star/io/XStream.hpp>
  33 #include <com/sun/star/lang/XServiceInfo.hpp>
  34 #include <com/sun/star/text/GraphicCrop.hpp>
  35 #include <com/sun/star/uno/XComponentContext.hpp>
  36 #include <comphelper/fileformat.h>
  37 #include <comphelper/servicehelper.hxx>
  38 #include <cppuhelper/implbase.hxx>
  39 #include <cppuhelper/supportsservice.hxx>
  40 #include <sal/log.hxx>
  41
  42 #include <graphic/UnoGraphicDescriptor.hxx>
  43 #include <graphic/UnoGraphic.hxx>
  44 #include <rtl/ref.hxx>
  45 #include <vcl/dibtools.hxx>
  46 #include <comphelper/sequence.hxx>
  47 #include <memory>
  48
  49 using namespace com::sun::star;
  50
  51 namespace {
  52
  53 class GraphicProvider : public ::cppu::WeakImplHelper< css::graphic::XGraphicProvider2,
  54                                                         css::lang::XServiceInfo >
  55 {
  56 public:
  57
  58     GraphicProvider();
  59
  60 protected:
  61
  62     // XServiceInfo
  63     virtual OUString SAL_CALL getImplementationName() override;
  64     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
  65     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
  66
  67     // XTypeProvider
  68     virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes(  ) override;
  69     virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId(  ) override;
  70
  71     // XGraphicProvider
  72     virtual css::uno::Reference< css::beans::XPropertySet > SAL_CALL queryGraphicDescriptor( const css::uno::Sequence< css::beans::PropertyValue >& MediaProperties ) override;
  73     virtual css::uno::Reference< css::graphic::XGraphic > SAL_CALL queryGraphic( const css::uno::Sequence< css::beans::PropertyValue >& MediaProperties ) override;
  74     virtual void SAL_CALL storeGraphic( const css::uno::Reference< css::graphic::XGraphic >& Graphic, const css::uno::Sequence< css::beans::PropertyValue >& MediaProperties ) override;
  75
  76     // XGraphicProvider2
  77     uno::Sequence< uno::Reference<graphic::XGraphic> > SAL_CALL queryGraphics(const uno::Sequence< uno::Sequence<beans::PropertyValue> >& MediaPropertiesSeq ) override;
  78
  79 private:
  80
  81     static css::uno::Reference< css::graphic::XGraphic > implLoadMemory( const OUString& rResourceURL );
  82     static css::uno::Reference< css::graphic::XGraphic > implLoadRepositoryImage( const OUString& rResourceURL );
  83     static css::uno::Reference< css::graphic::XGraphic > implLoadBitmap( const css::uno::Reference< css::awt::XBitmap >& rBitmap );
  84     static css::uno::Reference< css::graphic::XGraphic > implLoadStandardImage( const OUString& rResourceURL );
  85 };
  86
  87 GraphicProvider::GraphicProvider()
  88 {
  89 }
  90
  91 OUString SAL_CALL GraphicProvider::getImplementationName()
  92 {
  93     return "com.sun.star.comp.graphic.GraphicProvider";
  94 }
  95
  96 sal_Bool SAL_CALL GraphicProvider::supportsService( const OUString& ServiceName )
  97 {
  98     return cppu::supportsService( this, ServiceName );
  99 }
 100
 101 uno::Sequence< OUString > SAL_CALL GraphicProvider::getSupportedServiceNames()
 102 {
 103     uno::Sequence<OUString> aSeq { "com.sun.star.graphic.GraphicProvider" };
 104     return aSeq;
 105 }
 106
 107 uno::Sequence< uno::Type > SAL_CALL GraphicProvider::getTypes()
 108 {
 109     static const uno::Sequence< uno::Type > aTypes {
 110         cppu::UnoType<lang::XServiceInfo>::get(),
 111         cppu::UnoType<lang::XTypeProvider>::get(),
 112         cppu::UnoType<graphic::XGraphicProvider>::get()
 113     };
 114     return aTypes;
 115 }
 116
 117 uno::Sequence< sal_Int8 > SAL_CALL GraphicProvider::getImplementationId()
 118 {
 119     return css::uno::Sequence<sal_Int8>();
 120 }
 121
 122 uno::Reference< ::graphic::XGraphic > GraphicProvider::implLoadMemory( const OUString& rResourceURL )
 123 {
 124     uno::Reference< ::graphic::XGraphic >   xRet;
 125     sal_Int32                               nIndex = 0;
 126
 127     if( rResourceURL.getToken( 0, '/', nIndex ) == "private:memorygraphic" )
 128     {
 129         sal_Int64 nGraphicAddress = rResourceURL.getToken( 0, '/', nIndex ).toInt64();
 130
 131         if( nGraphicAddress )
 132         {
 133             ::unographic::Graphic* pUnoGraphic = new ::unographic::Graphic;
 134
 135             pUnoGraphic->init( *reinterpret_cast< ::Graphic* >( nGraphicAddress ) );
 136             xRet = pUnoGraphic;
 137         }
 138     }
 139
 140     return xRet;
 141 }
 142
 143
 144 uno::Reference< ::graphic::XGraphic > GraphicProvider::implLoadRepositoryImage( const OUString& rResourceURL )
 145 {
 146     uno::Reference< ::graphic::XGraphic >   xRet;
 147
 148     OUString sPathName;
 149     if( rResourceURL.startsWith("private:graphicrepository/", &sPathName) )
 150     {
 151         BitmapEx aBitmap;
 152         if ( vcl::ImageRepository::loadImage( sPathName, aBitmap ) )
 153         {
 154             xRet = Graphic(aBitmap).GetXGraphic();
 155         }
 156     }
 157     return xRet;
 158 }
 159
 160
 161 uno::Reference< ::graphic::XGraphic > GraphicProvider::implLoadStandardImage( const OUString& rResourceURL )
 162 {
 163     uno::Reference< ::graphic::XGraphic >   xRet;
 164
 165     OUString sImageName;
 166     if( rResourceURL.startsWith("private:standardimage/", &sImageName) )
 167     {
 168         if ( sImageName == "info" )
 169         {
 170             xRet = Graphic(GetStandardInfoBoxImage().GetBitmapEx()).GetXGraphic();
 171         }
 172         else if ( sImageName == "warning" )
 173         {
 174             xRet = Graphic(GetStandardWarningBoxImage().GetBitmapEx()).GetXGraphic();
 175         }
 176         else if ( sImageName == "error" )
 177         {
 178             xRet = Graphic(GetStandardErrorBoxImage().GetBitmapEx()).GetXGraphic();
 179         }
 180         else if ( sImageName == "query" )
 181         {
 182             xRet = Graphic(GetStandardQueryBoxImage().GetBitmapEx()).GetXGraphic();
 183         }
 184     }
 185     return xRet;
 186 }
 187
 188
 189 uno::Reference< ::graphic::XGraphic > GraphicProvider::implLoadBitmap( const uno::Reference< awt::XBitmap >& xBtm )
 190 {
 191     uno::Reference< ::graphic::XGraphic > xRet;
 192     uno::Sequence< sal_Int8 > aBmpSeq( xBtm->getDIB() );
 193     uno::Sequence< sal_Int8 > aMaskSeq( xBtm->getMaskDIB() );
 194     SvMemoryStream aBmpStream( aBmpSeq.getArray(), aBmpSeq.getLength(), StreamMode::READ );
 195     Bitmap aBmp;
 196     BitmapEx aBmpEx;
 197
 198     ReadDIB(aBmp, aBmpStream, true);
 199
 200     if( aMaskSeq.hasElements() )
 201     {
 202         SvMemoryStream aMaskStream( aMaskSeq.getArray(), aMaskSeq.getLength(), StreamMode::READ );
 203         Bitmap aMask;
 204
 205         ReadDIB(aMask, aMaskStream, true);
 206         aBmpEx = BitmapEx( aBmp, aMask );
 207     }
 208     else
 209         aBmpEx = BitmapEx( aBmp );
 210
 211     if( !aBmpEx.IsEmpty() )
 212     {
 213         ::unographic::Graphic* pUnoGraphic = new ::unographic::Graphic;
 214
 215         pUnoGraphic->init( aBmpEx );
 216         xRet = pUnoGraphic;
 217     }
 218     return xRet;
 219 }
 220
 221 uno::Reference< beans::XPropertySet > SAL_CALL GraphicProvider::queryGraphicDescriptor( const uno::Sequence< beans::PropertyValue >& rMediaProperties )
 222 {
 223     uno::Reference< beans::XPropertySet > xRet;
 224
 225     OUString aURL;
 226     uno::Reference< io::XInputStream > xIStm;
 227     uno::Reference< awt::XBitmap >xBtm;
 228
 229     for( const auto& rMediaProperty : rMediaProperties )
 230     {
 231         if (xRet.is())
 232             break;
 233
 234         const OUString   aName( rMediaProperty.Name );
 235         const uno::Any          aValue( rMediaProperty.Value );
 236
 237         if (aName == "URL")
 238         {
 239             aValue >>= aURL;
 240         }
 241         else if (aName == "InputStream")
 242         {
 243             aValue >>= xIStm;
 244         }
 245         else if (aName == "Bitmap")
 246         {
 247             aValue >>= xBtm;
 248         }
 249     }
 250
 251     SolarMutexGuard g;
 252
 253     if( xIStm.is() )
 254     {
 255         unographic::GraphicDescriptor* pDescriptor = new unographic::GraphicDescriptor;
 256         pDescriptor->init( xIStm, aURL );
 257         xRet = pDescriptor;
 258     }
 259     else if( !aURL.isEmpty() )
 260     {
 261         uno::Reference< ::graphic::XGraphic > xGraphic( implLoadMemory( aURL ) );
 262
 263         if ( !xGraphic.is() )
 264             xGraphic = implLoadRepositoryImage( aURL );
 265
 266         if ( !xGraphic.is() )
 267             xGraphic = implLoadStandardImage( aURL );
 268
 269         if( xGraphic.is() )
 270         {
 271             xRet.set( xGraphic, uno::UNO_QUERY );
 272         }
 273         else
 274         {
 275             unographic::GraphicDescriptor* pDescriptor = new unographic::GraphicDescriptor;
 276             pDescriptor->init( aURL );
 277             xRet = pDescriptor;
 278         }
 279     }
 280     else if( xBtm.is() )
 281     {
 282         uno::Reference< ::graphic::XGraphic > xGraphic( implLoadBitmap( xBtm ) );
 283         if( xGraphic.is() )
 284             xRet.set( xGraphic, uno::UNO_QUERY );
 285     }
 286
 287     return xRet;
 288 }
 289
 290
 291 uno::Reference< ::graphic::XGraphic > SAL_CALL GraphicProvider::queryGraphic( const uno::Sequence< ::beans::PropertyValue >& rMediaProperties )
 292 {
 293     uno::Reference< ::graphic::XGraphic >   xRet;
 294     OUString                                aPath;
 295
 296     uno::Reference< io::XInputStream > xIStm;
 297     uno::Reference< awt::XBitmap >xBtm;
 298
 299     uno::Sequence< ::beans::PropertyValue > aFilterData;
 300
 301     bool bLazyRead = false;
 302     bool bLoadAsLink = false;
 303
 304     for (const auto& rMediaProperty : rMediaProperties)
 305     {
 306         if (xRet.is())
 307             break;
 308
 309         const OUString   aName( rMediaProperty.Name );
 310         const uno::Any          aValue( rMediaProperty.Value );
 311
 312         if (aName == "URL")
 313         {
 314             OUString aURL;
 315             aValue >>= aURL;
 316             aPath = aURL;
 317         }
 318         else if (aName == "InputStream")
 319         {
 320             aValue >>= xIStm;
 321         }
 322         else if (aName == "Bitmap")
 323         {
 324             aValue >>= xBtm;
 325         }
 326         else if (aName == "FilterData")
 327         {
 328             aValue >>= aFilterData;
 329         }
 330         else if (aName == "LazyRead")
 331         {
 332             aValue >>= bLazyRead;
 333         }
 334         else if (aName == "LoadAsLink")
 335         {
 336             aValue >>= bLoadAsLink;
 337         }
 338     }
 339
 340     // Check for the goal width and height if they are defined
 341     sal_uInt16 nExtWidth = 0;
 342     sal_uInt16 nExtHeight = 0;
 343     sal_uInt16 nExtMapMode = 0;
 344     for( const auto& rProp : std::as_const(aFilterData) )
 345     {
 346         const OUString   aName( rProp.Name );
 347         const uno::Any          aValue( rProp.Value );
 348
 349         if (aName == "ExternalWidth")
 350         {
 351             aValue >>= nExtWidth;
 352         }
 353         else if (aName == "ExternalHeight")
 354         {
 355             aValue >>= nExtHeight;
 356         }
 357         else if (aName == "ExternalMapMode")
 358         {
 359             aValue >>= nExtMapMode;
 360         }
 361     }
 362
 363     SolarMutexGuard g;
 364
 365     std::unique_ptr<SvStream> pIStm;
 366
 367     if( xIStm.is() )
 368     {
 369         pIStm = ::utl::UcbStreamHelper::CreateStream( xIStm );
 370     }
 371     else if( !aPath.isEmpty() )
 372     {
 373         xRet = implLoadMemory( aPath );
 374
 375         if ( !xRet.is() )
 376             xRet = implLoadRepositoryImage( aPath );
 377
 378         if ( !xRet.is() )
 379             xRet = implLoadStandardImage( aPath );
 380
 381         if( !xRet.is() )
 382             pIStm = ::utl::UcbStreamHelper::CreateStream( aPath, StreamMode::READ );
 383     }
 384     else if( xBtm.is() )
 385     {
 386         xRet = implLoadBitmap( xBtm );
 387     }
 388
 389     if( pIStm )
 390     {
 391         ::GraphicFilter& rFilter = ::GraphicFilter::GetGraphicFilter();
 392
 393         {
 394             Graphic aVCLGraphic;
 395
 396             // Define APM Header if goal height and width are defined
 397             WmfExternal aExtHeader;
 398             aExtHeader.xExt = nExtWidth;
 399             aExtHeader.yExt = nExtHeight;
 400             aExtHeader.mapMode = nExtMapMode;
 401             WmfExternal *pExtHeader = nullptr;
 402             if ( nExtMapMode > 0 )
 403             {
 404                 pExtHeader = &aExtHeader;
 405                 bLazyRead = false;
 406             }
 407
 408             ErrCode error = ERRCODE_NONE;
 409             if (bLazyRead)
 410             {
 411                 Graphic aGraphic = rFilter.ImportUnloadedGraphic(*pIStm);
 412                 if (!aGraphic.IsNone())
 413                     aVCLGraphic = aGraphic;
 414             }
 415             if (aVCLGraphic.IsNone())
 416                 error = rFilter.ImportGraphic(aVCLGraphic, aPath, *pIStm, GRFILTER_FORMAT_DONTKNOW,
 417                                               nullptr, GraphicFilterImportFlags::NONE, pExtHeader);
 418
 419             if( (error == ERRCODE_NONE ) &&
 420                 ( aVCLGraphic.GetType() != GraphicType::NONE ) )
 421             {
 422                 if (!aPath.isEmpty() && bLoadAsLink)
 423                     aVCLGraphic.setOriginURL(aPath);
 424
 425                 ::unographic::Graphic* pUnoGraphic = new ::unographic::Graphic;
 426
 427                 pUnoGraphic->init( aVCLGraphic );
 428                 xRet = pUnoGraphic;
 429             }
 430             else{
 431                 SAL_WARN("svtools", "Could not create graphic: " << error);
 432             }
 433         }
 434     }
 435
 436     return xRet;
 437 }
 438
 439 uno::Sequence< uno::Reference<graphic::XGraphic> > SAL_CALL GraphicProvider::queryGraphics(const uno::Sequence< uno::Sequence<beans::PropertyValue> >& rMediaPropertiesSeq)
 440 {
 441     SolarMutexGuard aGuard;
 442
 443     // Turn properties into streams.
 444     std::vector< std::unique_ptr<SvStream> > aStreams;
 445     for (const auto& rMediaProperties : rMediaPropertiesSeq)
 446     {
 447         std::unique_ptr<SvStream> pStream;
 448         uno::Reference<io::XInputStream> xStream;
 449
 450         auto pProp = std::find_if(rMediaProperties.begin(), rMediaProperties.end(),
 451             [](const beans::PropertyValue& rProp) { return rProp.Name == "InputStream"; });
 452         if (pProp != rMediaProperties.end())
 453         {
 454             pProp->Value >>= xStream;
 455             if (xStream.is())
 456                 pStream = utl::UcbStreamHelper::CreateStream(xStream);
 457         }
 458
 459         aStreams.push_back(std::move(pStream));
 460     }
 461
 462     // Import: streams to graphics.
 463     std::vector< std::shared_ptr<Graphic> > aGraphics;
 464     GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
 465     rFilter.ImportGraphics(aGraphics, std::move(aStreams));
 466
 467     // Returning: graphics to UNO objects.
 468     std::vector< uno::Reference<graphic::XGraphic> > aRet;
 469     for (const auto& pGraphic : aGraphics)
 470     {
 471         uno::Reference<graphic::XGraphic> xGraphic;
 472
 473         if (pGraphic)
 474         {
 475             auto pUnoGraphic = new unographic::Graphic();
 476             pUnoGraphic->init(*pGraphic);
 477             xGraphic = pUnoGraphic;
 478         }
 479
 480         aRet.push_back(xGraphic);
 481     }
 482
 483     return comphelper::containerToSequence(aRet);
 484 }
 485
 486 void ImplCalculateCropRect( ::Graphic const & rGraphic, const text::GraphicCrop& rGraphicCropLogic, tools::Rectangle& rGraphicCropPixel )
 487 {
 488     if ( !(rGraphicCropLogic.Left || rGraphicCropLogic.Top || rGraphicCropLogic.Right || rGraphicCropLogic.Bottom) )
 489         return;
 490
 491     Size aSourceSizePixel( rGraphic.GetSizePixel() );
 492     if ( !(aSourceSizePixel.Width() && aSourceSizePixel.Height()) )
 493         return;
 494
 495     if ( !(rGraphicCropLogic.Left || rGraphicCropLogic.Top || rGraphicCropLogic.Right || rGraphicCropLogic.Bottom) )
 496         return;
 497
 498     Size aSize100thMM( 0, 0 );
 499     if( rGraphic.GetPrefMapMode().GetMapUnit() != MapUnit::MapPixel )
 500     {
 501         aSize100thMM = OutputDevice::LogicToLogic(rGraphic.GetPrefSize(), rGraphic.GetPrefMapMode(), MapMode(MapUnit::Map100thMM));
 502     }
 503     else
 504     {
 505         aSize100thMM = Application::GetDefaultDevice()->PixelToLogic(rGraphic.GetPrefSize(), MapMode(MapUnit::Map100thMM));
 506     }
 507     if ( aSize100thMM.Width() && aSize100thMM.Height() )
 508     {
 509         double fSourceSizePixelWidth = static_cast<double>(aSourceSizePixel.Width());
 510         double fSourceSizePixelHeight= static_cast<double>(aSourceSizePixel.Height());
 511         rGraphicCropPixel.SetLeft( static_cast< sal_Int32 >((fSourceSizePixelWidth * rGraphicCropLogic.Left ) / aSize100thMM.Width()) );
 512         rGraphicCropPixel.SetTop( static_cast< sal_Int32 >((fSourceSizePixelHeight * rGraphicCropLogic.Top ) / aSize100thMM.Height()) );
 513         rGraphicCropPixel.SetRight( static_cast< sal_Int32 >(( fSourceSizePixelWidth * ( aSize100thMM.Width() - rGraphicCropLogic.Right ) ) / aSize100thMM.Width() ) );
 514         rGraphicCropPixel.SetBottom( static_cast< sal_Int32 >(( fSourceSizePixelHeight * ( aSize100thMM.Height() - rGraphicCropLogic.Bottom ) ) / aSize100thMM.Height() ) );
 515     }
 516 }
 517
 518 void ImplApplyBitmapScaling( ::Graphic& rGraphic, sal_Int32 nPixelWidth, sal_Int32 nPixelHeight )
 519 {
 520     if ( nPixelWidth && nPixelHeight )
 521     {
 522         BitmapEx aBmpEx( rGraphic.GetBitmapEx() );
 523         MapMode aPrefMapMode( aBmpEx.GetPrefMapMode() );
 524         Size    aPrefSize( aBmpEx.GetPrefSize() );
 525         aBmpEx.Scale( Size( nPixelWidth, nPixelHeight ) );
 526         aBmpEx.SetPrefMapMode( aPrefMapMode );
 527         aBmpEx.SetPrefSize( aPrefSize );
 528         rGraphic = aBmpEx;
 529     }
 530 }
 531
 532 void ImplApplyBitmapResolution( ::Graphic& rGraphic, sal_Int32 nImageResolution, const Size& rVisiblePixelSize, const awt::Size& rLogicalSize )
 533 {
 534     if ( !(nImageResolution && rLogicalSize.Width && rLogicalSize.Height) )
 535         return;
 536
 537     const double fImageResolution = static_cast<double>( nImageResolution );
 538     const double fSourceDPIX = ( static_cast<double>(rVisiblePixelSize.Width()) * 2540.0 ) / static_cast<double>(rLogicalSize.Width);
 539     const double fSourceDPIY = ( static_cast<double>(rVisiblePixelSize.Height()) * 2540.0 ) / static_cast<double>(rLogicalSize.Height);
 540     const sal_Int32 nSourcePixelWidth( rGraphic.GetSizePixel().Width() );
 541     const sal_Int32 nSourcePixelHeight( rGraphic.GetSizePixel().Height() );
 542     const double fSourcePixelWidth = static_cast<double>( nSourcePixelWidth );
 543     const double fSourcePixelHeight= static_cast<double>( nSourcePixelHeight );
 544
 545     sal_Int32 nDestPixelWidth = nSourcePixelWidth;
 546     sal_Int32 nDestPixelHeight = nSourcePixelHeight;
 547
 548     // check, if the bitmap DPI exceeds the maximum DPI
 549     if( fSourceDPIX > fImageResolution )
 550     {
 551         nDestPixelWidth = static_cast<sal_Int32>(( fSourcePixelWidth * fImageResolution ) / fSourceDPIX);
 552         if ( !nDestPixelWidth || ( nDestPixelWidth > nSourcePixelWidth ) )
 553             nDestPixelWidth = nSourcePixelWidth;
 554     }
 555     if ( fSourceDPIY > fImageResolution )
 556     {
 557         nDestPixelHeight= static_cast<sal_Int32>(( fSourcePixelHeight* fImageResolution ) / fSourceDPIY);
 558         if ( !nDestPixelHeight || ( nDestPixelHeight > nSourcePixelHeight ) )
 559             nDestPixelHeight = nSourcePixelHeight;
 560     }
 561     if ( ( nDestPixelWidth != nSourcePixelWidth ) || ( nDestPixelHeight != nSourcePixelHeight ) )
 562         ImplApplyBitmapScaling( rGraphic, nDestPixelWidth, nDestPixelHeight );
 563 }
 564
 565 void ImplApplyFilterData( ::Graphic& rGraphic, const uno::Sequence< beans::PropertyValue >& rFilterData )
 566 {
 567     /* this method applies following attributes to the graphic, in the first step the
 568        cropping area (logical size in 100thmm) is applied, in the second step the resolution
 569        is applied, in the third step the graphic is scaled to the corresponding pixelsize.
 570        if a parameter value is zero or not available the corresponding step will be skipped */
 571
 572     sal_Int32 nPixelWidth = 0;
 573     sal_Int32 nPixelHeight= 0;
 574     sal_Int32 nImageResolution = 0;
 575     awt::Size aLogicalSize( 0, 0 );
 576     text::GraphicCrop aCropLogic( 0, 0, 0, 0 );
 577     bool bRemoveCropArea = true;
 578
 579     for( const auto& rProp : rFilterData )
 580     {
 581         const OUString   aName(  rProp.Name );
 582         const uno::Any          aValue( rProp.Value );
 583
 584         if (aName == "PixelWidth")
 585             aValue >>= nPixelWidth;
 586         else if (aName == "PixelHeight")
 587             aValue >>= nPixelHeight;
 588         else if (aName == "LogicalSize")
 589             aValue >>= aLogicalSize;
 590         else if (aName == "GraphicCropLogic")
 591             aValue >>= aCropLogic;
 592         else if (aName == "RemoveCropArea")
 593             aValue >>= bRemoveCropArea;
 594         else if (aName == "ImageResolution")
 595             aValue >>= nImageResolution;
 596     }
 597     if ( rGraphic.GetType() == GraphicType::Bitmap )
 598     {
 599         if(rGraphic.getVectorGraphicData().get())
 600         {
 601             // embedded Vector Graphic Data, no need to scale. Also no method to apply crop data currently
 602         }
 603         else
 604         {
 605             tools::Rectangle aCropPixel( Point( 0, 0 ), rGraphic.GetSizePixel() );
 606             ImplCalculateCropRect( rGraphic, aCropLogic, aCropPixel );
 607             if ( bRemoveCropArea )
 608             {
 609                 BitmapEx aBmpEx( rGraphic.GetBitmapEx() );
 610                 aBmpEx.Crop( aCropPixel );
 611                 rGraphic = aBmpEx;
 612             }
 613             Size aVisiblePixelSize( bRemoveCropArea ? rGraphic.GetSizePixel() : aCropPixel.GetSize() );
 614             ImplApplyBitmapResolution( rGraphic, nImageResolution, aVisiblePixelSize, aLogicalSize );
 615             ImplApplyBitmapScaling( rGraphic, nPixelWidth, nPixelHeight );
 616         }
 617     }
 618     else if ( ( rGraphic.GetType() == GraphicType::GdiMetafile ) && nImageResolution )
 619     {
 620         ScopedVclPtrInstance< VirtualDevice > aDummyVDev;
 621         GDIMetaFile aMtf( rGraphic.GetGDIMetaFile() );
 622         Size aMtfSize( OutputDevice::LogicToLogic(aMtf.GetPrefSize(), aMtf.GetPrefMapMode(), MapMode(MapUnit::Map100thMM)) );
 623         if ( aMtfSize.Width() && aMtfSize.Height() )
 624         {
 625             MapMode aNewMapMode( MapUnit::Map100thMM );
 626             aNewMapMode.SetScaleX( Fraction( aLogicalSize.Width, aMtfSize.Width() ) );
 627             aNewMapMode.SetScaleY( Fraction( aLogicalSize.Height, aMtfSize.Height() ) );
 628             aDummyVDev->EnableOutput( false );
 629             aDummyVDev->SetMapMode( aNewMapMode );
 630
 631             for( size_t i = 0, nObjCount = aMtf.GetActionSize(); i < nObjCount; i++ )
 632             {
 633                 MetaAction* pAction = aMtf.GetAction( i );
 634                 switch( pAction->GetType() )
 635                 {
 636                     // only optimizing common bitmap actions:
 637                     case MetaActionType::MAPMODE:
 638                     {
 639                         pAction->Execute( aDummyVDev.get() );
 640                         break;
 641                     }
 642                     case MetaActionType::PUSH:
 643                     {
 644                         const MetaPushAction* pA = static_cast<const MetaPushAction*>(pAction);
 645                         aDummyVDev->Push( pA->GetFlags() );
 646                         break;
 647                     }
 648                     case MetaActionType::POP:
 649                     {
 650                         aDummyVDev->Pop();
 651                         break;
 652                     }
 653                     case MetaActionType::BMPSCALE:
 654                     case MetaActionType::BMPEXSCALE:
 655                     {
 656                         BitmapEx aBmpEx;
 657                         Point aPos;
 658                         Size aSize;
 659                         if ( pAction->GetType() == MetaActionType::BMPSCALE )
 660                         {
 661                             MetaBmpScaleAction* pScaleAction = dynamic_cast< MetaBmpScaleAction* >( pAction );
 662                             assert(pScaleAction);
 663                             aBmpEx = pScaleAction->GetBitmap();
 664                             aPos = pScaleAction->GetPoint();
 665                             aSize = pScaleAction->GetSize();
 666                         }
 667                         else
 668                         {
 669                             MetaBmpExScaleAction* pScaleAction = dynamic_cast< MetaBmpExScaleAction* >( pAction );
 670                             assert(pScaleAction);
 671                             aBmpEx = pScaleAction->GetBitmapEx();
 672                             aPos = pScaleAction->GetPoint();
 673                             aSize = pScaleAction->GetSize();
 674                         }
 675                         ::Graphic aGraphic( aBmpEx );
 676                         const Size aSize100thmm( aDummyVDev->LogicToPixel( aSize ) );
 677                         Size aSize100thmm2( aDummyVDev->PixelToLogic(aSize100thmm, MapMode(MapUnit::Map100thMM)) );
 678
 679                         ImplApplyBitmapResolution( aGraphic, nImageResolution,
 680                             aGraphic.GetSizePixel(), awt::Size( aSize100thmm2.Width(), aSize100thmm2.Height() ) );
 681
 682                         rtl::Reference<MetaAction> pNewAction = new MetaBmpExScaleAction( aPos, aSize, aGraphic.GetBitmapEx() );
 683                         aMtf.ReplaceAction( pNewAction, i );
 684                         break;
 685                     }
 686                     default:
 687                     case MetaActionType::BMP:
 688                     case MetaActionType::BMPSCALEPART:
 689                     case MetaActionType::BMPEX:
 690                     case MetaActionType::BMPEXSCALEPART:
 691                     case MetaActionType::MASK:
 692                     case MetaActionType::MASKSCALE:
 693                     break;
 694                 }
 695             }
 696             rGraphic = aMtf;
 697         }
 698     }
 699 }
 700
 701
 702 void SAL_CALL GraphicProvider::storeGraphic( const uno::Reference< ::graphic::XGraphic >& rxGraphic, const uno::Sequence< beans::PropertyValue >& rMediaProperties )
 703 {
 704     SolarMutexGuard g;
 705
 706     std::unique_ptr<SvStream> pOStm;
 707     OUString    aPath;
 708
 709     for( const auto& rMediaProperty : rMediaProperties )
 710     {
 711         const OUString   aName( rMediaProperty.Name );
 712         const uno::Any          aValue( rMediaProperty.Value );
 713
 714         if (aName == "URL")
 715         {
 716             OUString aURL;
 717
 718             aValue >>= aURL;
 719             pOStm = ::utl::UcbStreamHelper::CreateStream( aURL, StreamMode::WRITE | StreamMode::TRUNC );
 720             aPath = aURL;
 721         }
 722         else if (aName == "OutputStream")
 723         {
 724             uno::Reference< io::XStream > xOStm;
 725
 726             aValue >>= xOStm;
 727
 728             if( xOStm.is() )
 729                 pOStm = ::utl::UcbStreamHelper::CreateStream( xOStm );
 730         }
 731
 732         if( pOStm )
 733             break;
 734     }
 735
 736     if( !pOStm )
 737         return;
 738
 739     uno::Sequence< beans::PropertyValue >   aFilterDataSeq;
 740     const char*                             pFilterShortName = nullptr;
 741
 742     for( const auto& rMediaProperty : rMediaProperties )
 743     {
 744         const OUString   aName( rMediaProperty.Name );
 745         const uno::Any          aValue( rMediaProperty.Value );
 746
 747         if (aName == "FilterData")
 748         {
 749             aValue >>= aFilterDataSeq;
 750         }
 751         else if (aName == "MimeType")
 752         {
 753             OUString aMimeType;
 754
 755             aValue >>= aMimeType;
 756
 757             if (aMimeType == MIMETYPE_BMP)
 758                 pFilterShortName = "bmp";
 759             else if (aMimeType == MIMETYPE_EPS)
 760                 pFilterShortName = "eps";
 761             else if (aMimeType == MIMETYPE_GIF)
 762                 pFilterShortName = "gif";
 763             else if (aMimeType == MIMETYPE_JPG)
 764                 pFilterShortName = "jpg";
 765             else if (aMimeType == MIMETYPE_MET)
 766                 pFilterShortName = "met";
 767             else if (aMimeType == MIMETYPE_PNG)
 768                 pFilterShortName = "png";
 769             else if (aMimeType == MIMETYPE_PCT)
 770                 pFilterShortName = "pct";
 771             else if (aMimeType == MIMETYPE_PBM)
 772                 pFilterShortName = "pbm";
 773             else if (aMimeType == MIMETYPE_PGM)
 774                 pFilterShortName = "pgm";
 775             else if (aMimeType == MIMETYPE_PPM)
 776                 pFilterShortName = "ppm";
 777             else if (aMimeType == MIMETYPE_RAS)
 778                 pFilterShortName = "ras";
 779             else if (aMimeType == MIMETYPE_SVM)
 780                 pFilterShortName = "svm";
 781             else if (aMimeType == MIMETYPE_TIF)
 782                 pFilterShortName = "tif";
 783             else if (aMimeType == MIMETYPE_EMF)
 784                 pFilterShortName = "emf";
 785             else if (aMimeType == MIMETYPE_WMF)
 786                 pFilterShortName = "wmf";
 787             else if (aMimeType == MIMETYPE_XPM)
 788                 pFilterShortName = "xpm";
 789             else if (aMimeType == MIMETYPE_SVG)
 790                 pFilterShortName = "svg";
 791             else if (aMimeType == MIMETYPE_VCLGRAPHIC)
 792                 pFilterShortName = MIMETYPE_VCLGRAPHIC;
 793         }
 794     }
 795
 796     if( !pFilterShortName )
 797         return;
 798
 799     ::GraphicFilter& rFilter = ::GraphicFilter::GetGraphicFilter();
 800
 801     {
 802         const uno::Reference< XInterface >  xIFace( rxGraphic, uno::UNO_QUERY );
 803         const ::Graphic*                    pGraphic = comphelper::getUnoTunnelImplementation<::Graphic>( xIFace );
 804
 805         if( pGraphic && ( pGraphic->GetType() != GraphicType::NONE ) )
 806         {
 807             ::Graphic aGraphic( *pGraphic );
 808             ImplApplyFilterData( aGraphic, aFilterDataSeq );
 809
 810             /* sj: using a temporary memory stream, because some graphic filters are seeking behind
 811                stream end (which leads to an invalid argument exception then). */
 812             SvMemoryStream aMemStrm;
 813             aMemStrm.SetVersion( SOFFICE_FILEFORMAT_CURRENT );
 814             if( 0 == strcmp( pFilterShortName, MIMETYPE_VCLGRAPHIC ) )
 815                 WriteGraphic( aMemStrm, aGraphic );
 816             else
 817             {
 818                 rFilter.ExportGraphic( aGraphic, aPath, aMemStrm,
 819                                         rFilter.GetExportFormatNumberForShortName( OUString::createFromAscii( pFilterShortName ) ),
 820                                             ( aFilterDataSeq.hasElements() ? &aFilterDataSeq : nullptr ) );
 821             }
 822             pOStm->WriteBytes( aMemStrm.GetData(), aMemStrm.TellEnd() );
 823         }
 824     }
 825 }
 826
 827 }
 828
 829 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
 830 com_sun_star_comp_graphic_GraphicProvider_get_implementation(
 831     css::uno::XComponentContext *,
 832     css::uno::Sequence<css::uno::Any> const &)
 833 {
 834     return cppu::acquire(new GraphicProvider);
 835 }
 836
 837 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */