Files
loongoffice/svtools/source/graphic/descriptor.cxx
Caolán McNamara dd9a1bae7c coverity#983902 Uncaught exception
Change-Id: Ic4e7413ac0c4c6c8eda9808e88572926e6b00be5
2014-07-14 09:21:01 +01:00

453 lines
16 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 "descriptor.hxx"
#include <osl/mutex.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <vcl/graphicfilter.hxx>
#include <svl/itemprop.hxx>
#include <comphelper/servicehelper.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <com/sun/star/beans/PropertyState.hpp>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/awt/Size.hpp>
#include <com/sun/star/graphic/GraphicType.hpp>
#include <vcl/graph.hxx>
#include <vcl/svapp.hxx>
#include <boost/scoped_ptr.hpp>
#define UNOGRAPHIC_GRAPHICTYPE 1
#define UNOGRAPHIC_MIMETYPE 2
#define UNOGRAPHIC_SIZEPIXEL 3
#define UNOGRAPHIC_SIZE100THMM 4
#define UNOGRAPHIC_BITSPERPIXEL 5
#define UNOGRAPHIC_TRANSPARENT 6
#define UNOGRAPHIC_ALPHA 7
#define UNOGRAPHIC_ANIMATED 8
using namespace ::com::sun::star;
namespace unographic {
// - GraphicDescriptor -
GraphicDescriptor::GraphicDescriptor() :
::comphelper::PropertySetHelper( createPropertySetInfo(), SAL_NO_ACQUIRE ),
mpGraphic( NULL ),
meType( GRAPHIC_NONE ),
mnBitsPerPixel ( 0 ),
mbTransparent ( false ),
mbAlpha( false ),
mbAnimated( false )
{
}
GraphicDescriptor::~GraphicDescriptor()
throw()
{
}
void GraphicDescriptor::init( const ::Graphic& rGraphic )
{
mpGraphic = &rGraphic;
}
void GraphicDescriptor::init( const OUString& rURL )
{
boost::scoped_ptr<SvStream> pIStm(::utl::UcbStreamHelper::CreateStream( rURL, STREAM_READ ));
if( pIStm )
implCreate( *pIStm, &rURL );
}
void GraphicDescriptor::init( const uno::Reference< io::XInputStream >& rxIStm, const OUString& rURL )
{
boost::scoped_ptr<SvStream> pIStm(::utl::UcbStreamHelper::CreateStream( rxIStm ));
if( pIStm )
implCreate( *pIStm, &rURL );
}
void GraphicDescriptor::implCreate( SvStream& rIStm, const OUString* pURL )
{
OUString aURL;
if( pURL )
aURL = *pURL;
::GraphicDescriptor aDescriptor( rIStm, &aURL );
mpGraphic = NULL;
maMimeType = OUString();
meType = GRAPHIC_NONE;
mnBitsPerPixel = 0;
mbTransparent = false;
if( aDescriptor.Detect( true ) && aDescriptor.GetFileFormat() != GFF_NOT )
{
const char* pMimeType = NULL;
sal_uInt8 cType = graphic::GraphicType::EMPTY;
switch( aDescriptor.GetFileFormat() )
{
case( GFF_BMP ): pMimeType = MIMETYPE_BMP; cType = graphic::GraphicType::PIXEL; break;
case( GFF_GIF ): pMimeType = MIMETYPE_GIF; cType = graphic::GraphicType::PIXEL; break;
case( GFF_JPG ): pMimeType = MIMETYPE_JPG; cType = graphic::GraphicType::PIXEL; break;
case( GFF_PCD ): pMimeType = MIMETYPE_PCD; cType = graphic::GraphicType::PIXEL; break;
case( GFF_PCX ): pMimeType = MIMETYPE_PCX; cType = graphic::GraphicType::PIXEL; break;
case( GFF_PNG ): pMimeType = MIMETYPE_PNG; cType = graphic::GraphicType::PIXEL; break;
case( GFF_TIF ): pMimeType = MIMETYPE_TIF; cType = graphic::GraphicType::PIXEL; break;
case( GFF_XBM ): pMimeType = MIMETYPE_XBM; cType = graphic::GraphicType::PIXEL; break;
case( GFF_XPM ): pMimeType = MIMETYPE_XPM; cType = graphic::GraphicType::PIXEL; break;
case( GFF_PBM ): pMimeType = MIMETYPE_PBM; cType = graphic::GraphicType::PIXEL; break;
case( GFF_PGM ): pMimeType = MIMETYPE_PGM; cType = graphic::GraphicType::PIXEL; break;
case( GFF_PPM ): pMimeType = MIMETYPE_PPM; cType = graphic::GraphicType::PIXEL; break;
case( GFF_RAS ): pMimeType = MIMETYPE_RAS; cType = graphic::GraphicType::PIXEL; break;
case( GFF_TGA ): pMimeType = MIMETYPE_TGA; cType = graphic::GraphicType::PIXEL; break;
case( GFF_PSD ): pMimeType = MIMETYPE_PSD; cType = graphic::GraphicType::PIXEL; break;
case( GFF_EPS ): pMimeType = MIMETYPE_EPS; cType = graphic::GraphicType::VECTOR; break;
case( GFF_DXF ): pMimeType = MIMETYPE_DXF; cType = graphic::GraphicType::VECTOR; break;
case( GFF_MET ): pMimeType = MIMETYPE_MET; cType = graphic::GraphicType::VECTOR; break;
case( GFF_PCT ): pMimeType = MIMETYPE_PCT; cType = graphic::GraphicType::VECTOR; break;
case( GFF_SGF ): pMimeType = MIMETYPE_SGF; cType = graphic::GraphicType::VECTOR; break;
case( GFF_SVM ): pMimeType = MIMETYPE_SVM; cType = graphic::GraphicType::VECTOR; break;
case( GFF_WMF ): pMimeType = MIMETYPE_WMF; cType = graphic::GraphicType::VECTOR; break;
case( GFF_SGV ): pMimeType = MIMETYPE_SGV; cType = graphic::GraphicType::VECTOR; break;
case( GFF_EMF ): pMimeType = MIMETYPE_EMF; cType = graphic::GraphicType::VECTOR; break;
case( GFF_SVG ): pMimeType = MIMETYPE_SVG; cType = graphic::GraphicType::VECTOR; break;
default:
break;
}
if( graphic::GraphicType::EMPTY != cType )
{
meType = ( ( graphic::GraphicType::PIXEL == cType ) ? GRAPHIC_BITMAP : GRAPHIC_GDIMETAFILE );
maMimeType = OUString( pMimeType, strlen(pMimeType), RTL_TEXTENCODING_ASCII_US );
maSizePixel = aDescriptor.GetSizePixel();
maSize100thMM = aDescriptor.GetSize_100TH_MM();
mnBitsPerPixel = aDescriptor.GetBitsPerPixel();
mbTransparent = ( graphic::GraphicType::VECTOR == cType );
mbAlpha = mbAnimated = false;
}
}
}
OUString GraphicDescriptor::getImplementationName_Static()
throw()
{
return OUString( "com.sun.star.comp.graphic.GraphicDescriptor" );
}
uno::Sequence< OUString > GraphicDescriptor::getSupportedServiceNames_Static()
throw( )
{
uno::Sequence< OUString > aSeq( 1 );
aSeq.getArray()[ 0 ] = "com.sun.star.graphic.GraphicDescriptor";
return aSeq;
}
uno::Any SAL_CALL GraphicDescriptor::queryAggregation( const uno::Type & rType )
throw( uno::RuntimeException, std::exception )
{
uno::Any aAny;
if( rType == cppu::UnoType<lang::XServiceInfo>::get())
aAny <<= uno::Reference< lang::XServiceInfo >(this);
else if( rType == cppu::UnoType<lang::XTypeProvider>::get())
aAny <<= uno::Reference< lang::XTypeProvider >(this);
else if( rType == cppu::UnoType<beans::XPropertySet>::get())
aAny <<= uno::Reference< beans::XPropertySet >(this);
else if( rType == cppu::UnoType<beans::XPropertyState>::get())
aAny <<= uno::Reference< beans::XPropertyState >(this);
else if( rType == cppu::UnoType<beans::XMultiPropertySet>::get())
aAny <<= uno::Reference< beans::XMultiPropertySet >(this);
else
aAny <<= OWeakAggObject::queryAggregation( rType );
return aAny;
}
uno::Any SAL_CALL GraphicDescriptor::queryInterface( const uno::Type & rType )
throw( uno::RuntimeException, std::exception )
{
return OWeakAggObject::queryInterface( rType );
}
void SAL_CALL GraphicDescriptor::acquire()
throw()
{
OWeakAggObject::acquire();
}
void SAL_CALL GraphicDescriptor::release()
throw()
{
OWeakAggObject::release();
}
OUString SAL_CALL GraphicDescriptor::getImplementationName()
throw( uno::RuntimeException, std::exception )
{
return getImplementationName_Static();
}
sal_Bool SAL_CALL GraphicDescriptor::supportsService( const OUString& ServiceName )
throw( uno::RuntimeException, std::exception )
{
return cppu::supportsService(this, ServiceName);
}
uno::Sequence< OUString > SAL_CALL GraphicDescriptor::getSupportedServiceNames()
throw( uno::RuntimeException, std::exception )
{
return getSupportedServiceNames_Static();
}
uno::Sequence< uno::Type > SAL_CALL GraphicDescriptor::getTypes()
throw( uno::RuntimeException, std::exception )
{
uno::Sequence< uno::Type > aTypes( 6 );
uno::Type* pTypes = aTypes.getArray();
*pTypes++ = cppu::UnoType<uno::XAggregation>::get();
*pTypes++ = cppu::UnoType<lang::XServiceInfo>::get();
*pTypes++ = cppu::UnoType<lang::XTypeProvider>::get();
*pTypes++ = cppu::UnoType<beans::XPropertySet>::get();
*pTypes++ = cppu::UnoType<beans::XPropertyState>::get();
*pTypes++ = cppu::UnoType<beans::XMultiPropertySet>::get();
return aTypes;
}
uno::Sequence< sal_Int8 > SAL_CALL GraphicDescriptor::getImplementationId()
throw( uno::RuntimeException, std::exception )
{
return css::uno::Sequence<sal_Int8>();
}
::comphelper::PropertySetInfo* GraphicDescriptor::createPropertySetInfo()
{
SolarMutexGuard aGuard;
::comphelper::PropertySetInfo* pRet = new ::comphelper::PropertySetInfo();
static ::comphelper::PropertyMapEntry const aEntries[] =
{
{ OUString("GraphicType"), UNOGRAPHIC_GRAPHICTYPE, cppu::UnoType<sal_Int8>::get(), beans::PropertyAttribute::READONLY, 0 },
{ OUString("MimeType"), UNOGRAPHIC_MIMETYPE, cppu::UnoType<OUString>::get(), beans::PropertyAttribute::READONLY, 0 },
{ OUString("SizePixel"), UNOGRAPHIC_SIZEPIXEL, cppu::UnoType<awt::Size>::get(), beans::PropertyAttribute::READONLY, 0 },
{ OUString("Size100thMM"), UNOGRAPHIC_SIZE100THMM, cppu::UnoType<awt::Size>::get(), beans::PropertyAttribute::READONLY, 0 },
{ OUString("BitsPerPixel"), UNOGRAPHIC_BITSPERPIXEL, cppu::UnoType<sal_uInt8>::get(), beans::PropertyAttribute::READONLY, 0 },
{ OUString("Transparent"), UNOGRAPHIC_TRANSPARENT, cppu::UnoType<sal_Bool>::get(), beans::PropertyAttribute::READONLY, 0 },
{ OUString("Alpha"), UNOGRAPHIC_ALPHA, cppu::UnoType<sal_Bool>::get(), beans::PropertyAttribute::READONLY, 0 },
{ OUString("Animated"), UNOGRAPHIC_ANIMATED, cppu::UnoType<sal_Bool>::get(), beans::PropertyAttribute::READONLY, 0 },
{ OUString(), 0, css::uno::Type(), 0, 0 }
};
pRet->acquire();
pRet->add( aEntries );
return pRet;
}
void GraphicDescriptor::_setPropertyValues( const comphelper::PropertyMapEntry** /*ppEntries*/, const uno::Any* /*pValues*/ )
throw( beans::UnknownPropertyException,
beans::PropertyVetoException,
lang::IllegalArgumentException,
lang::WrappedTargetException )
{
// we only have readonly attributes
}
void GraphicDescriptor::_getPropertyValues( const comphelper::PropertyMapEntry** ppEntries, uno::Any* pValues )
throw( beans::UnknownPropertyException, lang::WrappedTargetException, uno::RuntimeException, std::exception )
{
SolarMutexGuard aGuard;
while( *ppEntries )
{
switch( (*ppEntries)->mnHandle )
{
case( UNOGRAPHIC_GRAPHICTYPE ):
{
const GraphicType eType( mpGraphic ? mpGraphic->GetType() : meType );
*pValues <<= ( ( eType == GRAPHIC_BITMAP ? graphic::GraphicType::PIXEL :
( eType == GRAPHIC_GDIMETAFILE ? graphic::GraphicType::VECTOR :
graphic::GraphicType::EMPTY ) ) );
}
break;
case( UNOGRAPHIC_MIMETYPE ):
{
OUString aMimeType;
if( mpGraphic )
{
if( mpGraphic->IsLink() )
{
const char* pMimeType;
switch( const_cast< Graphic* >( mpGraphic )->GetLink().GetType() )
{
case( GFX_LINK_TYPE_NATIVE_GIF ): pMimeType = MIMETYPE_GIF; break;
// #i15508# added BMP type for better exports (checked, works)
case( GFX_LINK_TYPE_NATIVE_BMP ): pMimeType = MIMETYPE_BMP; break;
case( GFX_LINK_TYPE_NATIVE_JPG ): pMimeType = MIMETYPE_JPG; break;
case( GFX_LINK_TYPE_NATIVE_PNG ): pMimeType = MIMETYPE_PNG; break;
case( GFX_LINK_TYPE_NATIVE_WMF ): pMimeType = MIMETYPE_WMF; break;
case( GFX_LINK_TYPE_NATIVE_MET ): pMimeType = MIMETYPE_MET; break;
case( GFX_LINK_TYPE_NATIVE_PCT ): pMimeType = MIMETYPE_PCT; break;
// added Svg mimetype support
case( GFX_LINK_TYPE_NATIVE_SVG ): pMimeType = MIMETYPE_SVG; break;
default:
pMimeType = NULL;
break;
}
if( pMimeType )
aMimeType = OUString::createFromAscii( pMimeType );
}
if( aMimeType.isEmpty() && ( mpGraphic->GetType() != GRAPHIC_NONE ) )
aMimeType = MIMETYPE_VCLGRAPHIC;
}
else
aMimeType = maMimeType;
*pValues <<= aMimeType;
}
break;
case( UNOGRAPHIC_SIZEPIXEL ):
{
awt::Size aAWTSize( 0, 0 );
if( mpGraphic )
{
if( mpGraphic->GetType() == GRAPHIC_BITMAP )
{
const Size aSizePix( mpGraphic->GetBitmapEx().GetSizePixel() );
aAWTSize = awt::Size( aSizePix.Width(), aSizePix.Height() );
}
}
else
aAWTSize = awt::Size( maSizePixel.Width(), maSizePixel.Height() );
*pValues <<= aAWTSize;
}
break;
case( UNOGRAPHIC_SIZE100THMM ):
{
awt::Size aAWTSize( 0, 0 );
if( mpGraphic )
{
if( mpGraphic->GetPrefMapMode().GetMapUnit() != MAP_PIXEL )
{
const Size aSizeLog( OutputDevice::LogicToLogic( mpGraphic->GetPrefSize(), mpGraphic->GetPrefMapMode(), MAP_100TH_MM ) );
aAWTSize = awt::Size( aSizeLog.Width(), aSizeLog.Height() );
}
}
else
aAWTSize = awt::Size( maSize100thMM.Width(), maSize100thMM.Height() );
*pValues <<= aAWTSize;
}
break;
case( UNOGRAPHIC_BITSPERPIXEL ):
{
sal_uInt16 nBitsPerPixel = 0;
if( mpGraphic )
{
if( mpGraphic->GetType() == GRAPHIC_BITMAP )
nBitsPerPixel = mpGraphic->GetBitmapEx().GetBitmap().GetBitCount();
}
else
nBitsPerPixel = mnBitsPerPixel;
*pValues <<= sal::static_int_cast< sal_Int8 >(nBitsPerPixel);
}
break;
case( UNOGRAPHIC_TRANSPARENT ):
{
*pValues <<= mpGraphic ? mpGraphic->IsTransparent() : mbTransparent;
}
break;
case( UNOGRAPHIC_ALPHA ):
{
*pValues <<= mpGraphic ? mpGraphic->IsAlpha() : mbAlpha;
}
break;
case( UNOGRAPHIC_ANIMATED ):
{
*pValues <<= mpGraphic ? mpGraphic->IsAnimated() : mbAnimated;
}
break;
}
++ppEntries;
++pValues;
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */