vcl/source/graphic/UnoGraphicDescriptor.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 <graphic/UnoGraphicDescriptor.hxx>
  21
  22 #include <unotools/ucbstreamhelper.hxx>
  23 #include <vcl/graphicfilter.hxx>
  24 #include <cppuhelper/supportsservice.hxx>
  25
  26 #include <com/sun/star/beans/PropertyAttribute.hpp>
  27 #include <com/sun/star/awt/Size.hpp>
  28 #include <com/sun/star/graphic/GraphicType.hpp>
  29
  30 #include <vcl/outdev.hxx>
  31 #include <vcl/graph.hxx>
  32 #include <vcl/svapp.hxx>
  33 #include <memory>
  34
  35 enum class UnoGraphicProperty
  36 {
  37       GraphicType = 1
  38     , MimeType = 2
  39     , SizePixel = 3
  40     , Size100thMM = 4
  41     , BitsPerPixel = 5
  42     , Transparent = 6
  43     , Alpha = 7
  44     , Animated = 8
  45     , Linked = 9
  46     , OriginURL = 10
  47 };
  48
  49
  50 using namespace ::com::sun::star;
  51
  52 namespace unographic {
  53
  54
  55 GraphicDescriptor::GraphicDescriptor() :
  56     ::comphelper::PropertySetHelper( createPropertySetInfo() ),
  57     mpGraphic( nullptr ),
  58     meType( GraphicType::NONE ),
  59     mnBitsPerPixel ( 0 ),
  60     mbTransparent ( false )
  61 {
  62 }
  63
  64 GraphicDescriptor::~GraphicDescriptor()
  65     throw()
  66 {
  67 }
  68
  69 void GraphicDescriptor::init( const ::Graphic& rGraphic )
  70 {
  71     mpGraphic = &rGraphic;
  72 }
  73
  74 void GraphicDescriptor::init( const OUString& rURL )
  75 {
  76     std::unique_ptr<SvStream> pIStm(::utl::UcbStreamHelper::CreateStream( rURL, StreamMode::READ ));
  77
  78     if( pIStm )
  79         implCreate( *pIStm, &rURL );
  80 }
  81
  82 void GraphicDescriptor::init( const uno::Reference< io::XInputStream >& rxIStm, const OUString& rURL )
  83 {
  84     std::unique_ptr<SvStream> pIStm(::utl::UcbStreamHelper::CreateStream( rxIStm ));
  85
  86     if( pIStm )
  87         implCreate( *pIStm, &rURL );
  88 }
  89
  90 void GraphicDescriptor::implCreate( SvStream& rIStm, const OUString* pURL )
  91 {
  92     OUString aURL;
  93     if( pURL )
  94         aURL = *pURL;
  95     ::GraphicDescriptor aDescriptor( rIStm, &aURL );
  96
  97     mpGraphic = nullptr;
  98     maMimeType.clear();
  99     meType = GraphicType::NONE;
 100     mnBitsPerPixel = 0;
 101     mbTransparent = false;
 102
 103     if( !(aDescriptor.Detect( true ) && aDescriptor.GetFileFormat() != GraphicFileFormat::NOT) )
 104         return;
 105
 106     const char*             pMimeType = nullptr;
 107     sal_uInt8               cType = graphic::GraphicType::EMPTY;
 108
 109     switch( aDescriptor.GetFileFormat() )
 110     {
 111         case GraphicFileFormat::BMP: pMimeType = MIMETYPE_BMP; cType = graphic::GraphicType::PIXEL; break;
 112         case GraphicFileFormat::GIF: pMimeType = MIMETYPE_GIF; cType = graphic::GraphicType::PIXEL; break;
 113         case GraphicFileFormat::JPG: pMimeType = MIMETYPE_JPG; cType = graphic::GraphicType::PIXEL; break;
 114         case GraphicFileFormat::PCD: pMimeType = MIMETYPE_PCD; cType = graphic::GraphicType::PIXEL; break;
 115         case GraphicFileFormat::PCX: pMimeType = MIMETYPE_PCX; cType = graphic::GraphicType::PIXEL; break;
 116         case GraphicFileFormat::PNG: pMimeType = MIMETYPE_PNG; cType = graphic::GraphicType::PIXEL; break;
 117         case GraphicFileFormat::TIF: pMimeType = MIMETYPE_TIF; cType = graphic::GraphicType::PIXEL; break;
 118         case GraphicFileFormat::XBM: pMimeType = MIMETYPE_XBM; cType = graphic::GraphicType::PIXEL; break;
 119         case GraphicFileFormat::XPM: pMimeType = MIMETYPE_XPM; cType = graphic::GraphicType::PIXEL; break;
 120         case GraphicFileFormat::PBM: pMimeType = MIMETYPE_PBM; cType = graphic::GraphicType::PIXEL; break;
 121         case GraphicFileFormat::PGM: pMimeType = MIMETYPE_PGM; cType = graphic::GraphicType::PIXEL; break;
 122         case GraphicFileFormat::PPM: pMimeType = MIMETYPE_PPM; cType = graphic::GraphicType::PIXEL; break;
 123         case GraphicFileFormat::RAS: pMimeType = MIMETYPE_RAS; cType = graphic::GraphicType::PIXEL; break;
 124         case GraphicFileFormat::TGA: pMimeType = MIMETYPE_TGA; cType = graphic::GraphicType::PIXEL; break;
 125         case GraphicFileFormat::PSD: pMimeType = MIMETYPE_PSD; cType = graphic::GraphicType::PIXEL; break;
 126
 127         case GraphicFileFormat::EPS: pMimeType = MIMETYPE_EPS; cType = graphic::GraphicType::VECTOR; break;
 128         case GraphicFileFormat::DXF: pMimeType = MIMETYPE_DXF; cType = graphic::GraphicType::VECTOR; break;
 129         case GraphicFileFormat::MET: pMimeType = MIMETYPE_MET; cType = graphic::GraphicType::VECTOR; break;
 130         case GraphicFileFormat::PCT: pMimeType = MIMETYPE_PCT; cType = graphic::GraphicType::VECTOR; break;
 131         case GraphicFileFormat::SVM: pMimeType = MIMETYPE_SVM; cType = graphic::GraphicType::VECTOR; break;
 132         case GraphicFileFormat::WMF: pMimeType = MIMETYPE_WMF; cType = graphic::GraphicType::VECTOR; break;
 133         case GraphicFileFormat::EMF: pMimeType = MIMETYPE_EMF; cType = graphic::GraphicType::VECTOR; break;
 134         case GraphicFileFormat::SVG: pMimeType = MIMETYPE_SVG; cType = graphic::GraphicType::VECTOR; break;
 135
 136         default:
 137         break;
 138     }
 139
 140     if( graphic::GraphicType::EMPTY != cType )
 141     {
 142         meType = ( ( graphic::GraphicType::PIXEL == cType ) ? GraphicType::Bitmap : GraphicType::GdiMetafile );
 143         maMimeType = OUString( pMimeType, strlen(pMimeType), RTL_TEXTENCODING_ASCII_US );
 144         maSizePixel = aDescriptor.GetSizePixel();
 145         maSize100thMM = aDescriptor.GetSize_100TH_MM();
 146         mnBitsPerPixel = aDescriptor.GetBitsPerPixel();
 147         mbTransparent = ( graphic::GraphicType::VECTOR == cType );
 148     }
 149 }
 150
 151
 152 uno::Any SAL_CALL GraphicDescriptor::queryAggregation( const uno::Type & rType )
 153 {
 154     uno::Any aAny;
 155
 156     if( rType == cppu::UnoType<lang::XServiceInfo>::get())
 157         aAny <<= uno::Reference< lang::XServiceInfo >(this);
 158     else if( rType == cppu::UnoType<lang::XTypeProvider>::get())
 159         aAny <<= uno::Reference< lang::XTypeProvider >(this);
 160     else if( rType == cppu::UnoType<beans::XPropertySet>::get())
 161         aAny <<= uno::Reference< beans::XPropertySet >(this);
 162     else if( rType == cppu::UnoType<beans::XPropertyState>::get())
 163         aAny <<= uno::Reference< beans::XPropertyState >(this);
 164     else if( rType == cppu::UnoType<beans::XMultiPropertySet>::get())
 165         aAny <<= uno::Reference< beans::XMultiPropertySet >(this);
 166     else
 167         aAny = OWeakAggObject::queryAggregation( rType );
 168
 169     return aAny;
 170 }
 171
 172
 173 uno::Any SAL_CALL GraphicDescriptor::queryInterface( const uno::Type & rType )
 174 {
 175     return OWeakAggObject::queryInterface( rType );
 176 }
 177
 178
 179 void SAL_CALL GraphicDescriptor::acquire()
 180     throw()
 181 {
 182     OWeakAggObject::acquire();
 183 }
 184
 185
 186 void SAL_CALL GraphicDescriptor::release()
 187     throw()
 188 {
 189     OWeakAggObject::release();
 190 }
 191
 192
 193 OUString SAL_CALL GraphicDescriptor::getImplementationName()
 194 {
 195     return OUString( "com.sun.star.comp.graphic.GraphicDescriptor"  );
 196 }
 197
 198 sal_Bool SAL_CALL GraphicDescriptor::supportsService( const OUString& ServiceName )
 199 {
 200     return cppu::supportsService(this, ServiceName);
 201 }
 202
 203
 204 uno::Sequence< OUString > SAL_CALL GraphicDescriptor::getSupportedServiceNames()
 205 {
 206     return { "com.sun.star.graphic.GraphicDescriptor" };
 207 }
 208
 209
 210 uno::Sequence< uno::Type > SAL_CALL GraphicDescriptor::getTypes()
 211 {
 212     static const uno::Sequence< uno::Type > aTypes {
 213         cppu::UnoType<uno::XAggregation>::get(),
 214         cppu::UnoType<lang::XServiceInfo>::get(),
 215         cppu::UnoType<lang::XTypeProvider>::get(),
 216         cppu::UnoType<beans::XPropertySet>::get(),
 217         cppu::UnoType<beans::XPropertyState>::get(),
 218         cppu::UnoType<beans::XMultiPropertySet>::get() };
 219     return aTypes;
 220 }
 221
 222 uno::Sequence< sal_Int8 > SAL_CALL GraphicDescriptor::getImplementationId()
 223 {
 224     return css::uno::Sequence<sal_Int8>();
 225 }
 226
 227
 228 rtl::Reference<::comphelper::PropertySetInfo> GraphicDescriptor::createPropertySetInfo()
 229 {
 230     static ::comphelper::PropertyMapEntry const aEntries[] =
 231     {
 232         { OUString( "GraphicType" ), static_cast< sal_Int32 >( UnoGraphicProperty::GraphicType ), cppu::UnoType< sal_Int8 >::get(), beans::PropertyAttribute::READONLY, 0 },
 233         { OUString( "MimeType" ), static_cast< sal_Int32 >( UnoGraphicProperty::MimeType ), cppu::UnoType< OUString >::get(), beans::PropertyAttribute::READONLY, 0 },
 234         { OUString( "SizePixel" ), static_cast< sal_Int32 >( UnoGraphicProperty::SizePixel ), cppu::UnoType< awt::Size >::get(), beans::PropertyAttribute::READONLY, 0 },
 235         { OUString( "Size100thMM" ), static_cast< sal_Int32 >( UnoGraphicProperty::Size100thMM ), cppu::UnoType< awt::Size >::get(), beans::PropertyAttribute::READONLY, 0 },
 236         { OUString( "BitsPerPixel" ), static_cast< sal_Int32 >( UnoGraphicProperty::BitsPerPixel ), cppu::UnoType< sal_uInt8 >::get(), beans::PropertyAttribute::READONLY, 0 },
 237         { OUString( "Transparent" ), static_cast< sal_Int32 >( UnoGraphicProperty::Transparent ), cppu::UnoType< sal_Bool >::get(), beans::PropertyAttribute::READONLY, 0 },
 238         { OUString( "Alpha" ), static_cast< sal_Int32 >( UnoGraphicProperty::Alpha ), cppu::UnoType< sal_Bool >::get(), beans::PropertyAttribute::READONLY, 0 },
 239         { OUString( "Animated" ), static_cast< sal_Int32 >( UnoGraphicProperty::Animated ), cppu::UnoType< sal_Bool >::get(), beans::PropertyAttribute::READONLY, 0 },
 240         { OUString("Linked"), sal_Int32(UnoGraphicProperty::Linked), cppu::UnoType<sal_Bool>::get(), beans::PropertyAttribute::READONLY, 0 },
 241         { OUString("OriginURL"), sal_Int32(UnoGraphicProperty::OriginURL), cppu::UnoType<OUString>::get(), beans::PropertyAttribute::READONLY, 0 },
 242
 243         { OUString(), 0, css::uno::Type(), 0, 0 }
 244     };
 245
 246     return rtl::Reference<::comphelper::PropertySetInfo>( new ::comphelper::PropertySetInfo(aEntries) );
 247 }
 248
 249
 250 void GraphicDescriptor::_setPropertyValues( const comphelper::PropertyMapEntry** /*ppEntries*/, const uno::Any* /*pValues*/ )
 251 {
 252     // we only have readonly attributes
 253 }
 254
 255
 256 void GraphicDescriptor::_getPropertyValues( const comphelper::PropertyMapEntry** ppEntries, uno::Any* pValues )
 257 {
 258     SolarMutexGuard aGuard;
 259
 260     while( *ppEntries )
 261     {
 262         UnoGraphicProperty theProperty = static_cast< UnoGraphicProperty >( (*ppEntries)->mnHandle );
 263         switch( theProperty )
 264         {
 265             case UnoGraphicProperty::GraphicType:
 266             {
 267                 const GraphicType eType( mpGraphic ? mpGraphic->GetType() : meType );
 268
 269                 *pValues <<= ( eType == GraphicType::Bitmap ? graphic::GraphicType::PIXEL :
 270                                 ( eType == GraphicType::GdiMetafile ? graphic::GraphicType::VECTOR :
 271                                 graphic::GraphicType::EMPTY ) );
 272             }
 273             break;
 274
 275             case UnoGraphicProperty::MimeType:
 276             {
 277                 OUString aMimeType;
 278
 279                 if( mpGraphic )
 280                 {
 281                     if( mpGraphic->IsGfxLink() )
 282                     {
 283                         const char* pMimeType;
 284
 285                         switch( mpGraphic->GetGfxLink().GetType() )
 286                         {
 287                             case GfxLinkType::NativeGif: pMimeType = MIMETYPE_GIF; break;
 288
 289                             // #i15508# added BMP type for better exports (checked, works)
 290                             case GfxLinkType::NativeBmp: pMimeType = MIMETYPE_BMP; break;
 291
 292                             case GfxLinkType::NativeJpg: pMimeType = MIMETYPE_JPG; break;
 293                             case GfxLinkType::NativePng: pMimeType = MIMETYPE_PNG; break;
 294                             case GfxLinkType::NativeWmf: pMimeType = MIMETYPE_WMF; break;
 295                             case GfxLinkType::NativeMet: pMimeType = MIMETYPE_MET; break;
 296                             case GfxLinkType::NativePct: pMimeType = MIMETYPE_PCT; break;
 297
 298                             // added Svg mimetype support
 299                             case GfxLinkType::NativeSvg: pMimeType = MIMETYPE_SVG; break;
 300                             case GfxLinkType::NativePdf: pMimeType = MIMETYPE_PDF; break;
 301
 302                             default:
 303                                 pMimeType = nullptr;
 304                             break;
 305                         }
 306
 307                         if( pMimeType )
 308                             aMimeType = OUString::createFromAscii( pMimeType );
 309                     }
 310
 311                     if( aMimeType.isEmpty() && ( mpGraphic->GetType() != GraphicType::NONE ) )
 312                         aMimeType = MIMETYPE_VCLGRAPHIC;
 313                 }
 314                 else
 315                     aMimeType = maMimeType;
 316
 317                 *pValues <<= aMimeType;
 318             }
 319             break;
 320
 321             case UnoGraphicProperty::SizePixel:
 322             {
 323                 awt::Size aAWTSize( 0, 0 );
 324
 325                 if( mpGraphic )
 326                 {
 327                     if( mpGraphic->GetType() == GraphicType::Bitmap )
 328                     {
 329                         const Size aSizePix( mpGraphic->GetSizePixel() );
 330                         aAWTSize = awt::Size( aSizePix.Width(), aSizePix.Height() );
 331                     }
 332                 }
 333                 else
 334                     aAWTSize = awt::Size( maSizePixel.Width(), maSizePixel.Height() );
 335
 336                 *pValues <<= aAWTSize;
 337             }
 338             break;
 339
 340             case UnoGraphicProperty::Size100thMM:
 341             {
 342                 awt::Size aAWTSize( 0, 0 );
 343
 344                 if( mpGraphic )
 345                 {
 346                     if( mpGraphic->GetPrefMapMode().GetMapUnit() != MapUnit::MapPixel )
 347                     {
 348                         const Size aSizeLog( OutputDevice::LogicToLogic(
 349                             mpGraphic->GetPrefSize(),
 350                             mpGraphic->GetPrefMapMode(),
 351                             MapMode(MapUnit::Map100thMM)) );
 352                         aAWTSize = awt::Size( aSizeLog.Width(), aSizeLog.Height() );
 353                     }
 354                 }
 355                 else
 356                     aAWTSize = awt::Size( maSize100thMM.Width(), maSize100thMM.Height() );
 357
 358                 *pValues <<= aAWTSize;
 359             }
 360             break;
 361
 362             case UnoGraphicProperty::BitsPerPixel:
 363             {
 364                 sal_uInt16 nBitsPerPixel = 0;
 365
 366                 if( mpGraphic )
 367                 {
 368                     if( mpGraphic->GetType() == GraphicType::Bitmap )
 369                         nBitsPerPixel = mpGraphic->GetBitmapEx().GetBitmap().GetBitCount();
 370                 }
 371                 else
 372                     nBitsPerPixel = mnBitsPerPixel;
 373
 374                 *pValues <<= sal::static_int_cast< sal_Int8 >(nBitsPerPixel);
 375             }
 376             break;
 377
 378             case UnoGraphicProperty::Transparent:
 379             {
 380                 *pValues <<= mpGraphic ? mpGraphic->IsTransparent() : mbTransparent;
 381             }
 382             break;
 383
 384             case UnoGraphicProperty::Alpha:
 385             {
 386                 *pValues <<= mpGraphic && mpGraphic->IsAlpha();
 387             }
 388             break;
 389
 390             case UnoGraphicProperty::Animated:
 391             {
 392                 *pValues <<= mpGraphic && mpGraphic->IsAnimated();
 393             }
 394             break;
 395
 396             case UnoGraphicProperty::Linked:
 397             {
 398                 *pValues <<= mpGraphic && !mpGraphic->getOriginURL().isEmpty();
 399             }
 400             break;
 401
 402             case UnoGraphicProperty::OriginURL:
 403             {
 404                 OUString aOriginURL;
 405                 if (mpGraphic)
 406                     aOriginURL = mpGraphic->getOriginURL();
 407
 408                 *pValues <<= aOriginURL;
 409             }
 410             break;
 411         }
 412
 413         ++ppEntries;
 414         ++pValues;
 415     }
 416 }
 417
 418 }
 419
 420 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */