office-gobmx/oox/source/vml/vmldrawing.cxx
Noel Grandin a28f9a8cc2 cid#1607224 Overflowed return value
Change-Id: I62e153936f9f49fb12deee735ec665bad8a23ad7
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/174706
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2024-10-09 11:12:00 +02:00

347 lines
13 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/vml/vmldrawing.hxx>
#include <algorithm>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/drawing/XControlShape.hpp>
#include <com/sun/star/drawing/XDrawPage.hpp>
#include <com/sun/star/drawing/XShapes.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/text/HoriOrientation.hpp>
#include <com/sun/star/text/RelOrientation.hpp>
#include <com/sun/star/text/VertOrientation.hpp>
#include <osl/diagnose.h>
#include <rtl/ustring.hxx>
#include <sal/log.hxx>
#include <oox/core/xmlfilterbase.hxx>
#include <oox/helper/containerhelper.hxx>
#include <oox/ole/axcontrol.hxx>
#include <oox/vml/vmlshape.hxx>
#include <oox/vml/vmlshapecontainer.hxx>
#include <comphelper/diagnose_ex.hxx>
#include <tools/gen.hxx>
#include <o3tl/string_view.hxx>
namespace oox::vml {
using namespace ::com::sun::star;
using namespace ::com::sun::star::awt;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::drawing;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::text;
using namespace ::com::sun::star::uno;
using ::oox::core::XmlFilterBase;
namespace {
/** Returns the textual representation of a numeric VML shape identifier. */
OUString lclGetShapeId( sal_Int32 nShapeId )
{
// identifier consists of a literal NUL character, a lowercase 's', and the id
static constexpr OUStringLiteral aStr = u"\0s";
return aStr + OUString::number( nShapeId );
}
/** Returns the numeric VML shape identifier from its textual representation. */
sal_Int32 lclGetShapeId( std::u16string_view rShapeId )
{
// identifier consists of a literal NUL character, a lowercase 's', and the id
return ((rShapeId.size() >= 3) && (rShapeId[ 0 ] == '\0') && (rShapeId[ 1 ] == 's')) ? o3tl::toInt32(rShapeId.substr( 2 )) : -1;
}
} // namespace
OleObjectInfo::OleObjectInfo( bool bDmlShape ) :
mbAutoLoad( false ),
mbDmlShape( bDmlShape )
{
}
void OleObjectInfo::setShapeId( sal_Int32 nShapeId )
{
maShapeId = lclGetShapeId( nShapeId );
}
ControlInfo::ControlInfo()
: mbTextContentShape(false)
{
}
void ControlInfo::setShapeId( sal_Int32 nShapeId )
{
maShapeId = lclGetShapeId(nShapeId);
}
Drawing::Drawing( XmlFilterBase& rFilter, const Reference< XDrawPage >& rxDrawPage, DrawingType eType ) :
mrFilter( rFilter ),
mxDrawPage( rxDrawPage ),
mxShapes( new ShapeContainer( *this ) ),
meType( eType )
{
OSL_ENSURE( mxDrawPage.is(), "Drawing::Drawing - missing UNO draw page" );
}
Drawing::~Drawing()
{
}
::oox::ole::EmbeddedForm& Drawing::getControlForm() const
{
if (!mxCtrlForm)
mxCtrlForm.reset( new ::oox::ole::EmbeddedForm(
mrFilter.getModel(), mxDrawPage, mrFilter.getGraphicHelper() ) );
return *mxCtrlForm;
}
void Drawing::registerBlockId( sal_Int32 nBlockId )
{
OSL_ENSURE( nBlockId > 0, "Drawing::registerBlockId - invalid block index" );
if( nBlockId > 0 )
{
// lower_bound() returns iterator pointing to element equal to nBlockId, if existing
BlockIdVector::iterator aIt = ::std::lower_bound( maBlockIds.begin(), maBlockIds.end(), nBlockId );
if( (aIt == maBlockIds.end()) || (nBlockId != *aIt) )
maBlockIds.insert( aIt, nBlockId );
}
}
void Drawing::registerOleObject( const OleObjectInfo& rOleObject )
{
OSL_ENSURE( !rOleObject.maShapeId.isEmpty(), "Drawing::registerOleObject - missing OLE object shape id" );
OSL_ENSURE( maOleObjects.count( rOleObject.maShapeId ) == 0, "Drawing::registerOleObject - OLE object already registered" );
maOleObjects.emplace( rOleObject.maShapeId, rOleObject );
}
void Drawing::registerControl( const ControlInfo& rControl )
{
OSL_ENSURE( !rControl.maShapeId.isEmpty(), "Drawing::registerControl - missing form control shape id" );
OSL_ENSURE( !rControl.maName.isEmpty(), "Drawing::registerControl - missing form control name" );
OSL_ENSURE( maControls.count( rControl.maShapeId ) == 0, "Drawing::registerControl - form control already registered" );
maControls.emplace( rControl.maShapeId, rControl );
}
void Drawing::finalizeFragmentImport()
{
mxShapes->finalizeFragmentImport();
}
void Drawing::convertAndInsert() const
{
Reference< XShapes > xShapes( mxDrawPage );
mxShapes->convertAndInsert( xShapes );
// Group together form control radio buttons that are in the same groupBox
std::map<OUString, tools::Rectangle> GroupBoxMap;
std::map<Reference< XPropertySet >, tools::Rectangle> RadioButtonMap;
for ( sal_Int32 i = 0; i < xShapes->getCount(); ++i )
{
try
{
Reference< XControlShape > xCtrlShape( xShapes->getByIndex(i), UNO_QUERY );
if (!xCtrlShape.is())
continue;
Reference< XControlModel > xCtrlModel( xCtrlShape->getControl(), UNO_SET_THROW );
Reference< XServiceInfo > xModelSI (xCtrlModel, UNO_QUERY_THROW );
Reference< XPropertySet > aProps( xCtrlModel, UNO_QUERY_THROW );
OUString sName;
aProps->getPropertyValue(u"Name"_ustr) >>= sName;
const ::Point aPoint( xCtrlShape->getPosition().X, xCtrlShape->getPosition().Y );
const ::Size aSize( xCtrlShape->getSize().Width, xCtrlShape->getSize().Height );
const tools::Rectangle aRect( aPoint, aSize );
if ( !sName.isEmpty()
&& xModelSI->supportsService(u"com.sun.star.awt.UnoControlGroupBoxModel"_ustr) )
{
GroupBoxMap[sName] = aRect;
}
else if ( xModelSI->supportsService(u"com.sun.star.awt.UnoControlRadioButtonModel"_ustr) )
{
OUString sGroupName;
aProps->getPropertyValue(u"GroupName"_ustr) >>= sGroupName;
// only Form Controls are affected by Group Boxes - see drawingfragment.cxx
if ( sGroupName == "autoGroup_formControl" )
RadioButtonMap[aProps] = aRect;
}
}
catch (uno::Exception&)
{
DBG_UNHANDLED_EXCEPTION("oox.vml");
}
}
for ( const auto& BoxItr : GroupBoxMap )
{
const uno::Any aGroup( "autoGroup_" + BoxItr.first );
for ( auto RadioItr = RadioButtonMap.begin(); RadioItr != RadioButtonMap.end(); )
{
if ( BoxItr.second.Contains(RadioItr->second) )
{
RadioItr->first->setPropertyValue(u"GroupName"_ustr, aGroup );
// If conflict, first created GroupBox wins
RadioItr = RadioButtonMap.erase(RadioItr);
}
else
++RadioItr;
}
}
}
sal_Int32 Drawing::getLocalShapeIndex( std::u16string_view rShapeId ) const
{
sal_Int32 nShapeId = lclGetShapeId( rShapeId );
if( nShapeId <= 0 ) return -1;
/* Shapes in a drawing are counted per registered shape identifier blocks
as stored in the o:idmap element. The contents of this element have
been stored in our member maBlockIds. Each block represents 1024 shape
identifiers, starting with identifier 1 for the block #0. This means,
block #0 represents the identifiers 1-1024, block #1 represents the
identifiers 1025-2048, and so on. The local shape index has to be
calculated according to all blocks registered for this drawing.
Example:
Registered for this drawing are blocks #1 and #3 (shape identifiers
1025-2048 and 3073-4096).
Shape identifier 1025 -> local shape index 1.
Shape identifier 1026 -> local shape index 2.
...
Shape identifier 2048 -> local shape index 1024.
Shape identifier 3073 -> local shape index 1025.
...
Shape identifier 4096 -> local shape index 2048.
*/
// get block id from shape id and find its index in the list of used blocks
sal_Int32 nBlockId = (nShapeId - 1) / 1024;
BlockIdVector::iterator aIt = ::std::lower_bound( maBlockIds.begin(), maBlockIds.end(), nBlockId );
sal_Int32 nIndex = static_cast< sal_Int32 >( aIt - maBlockIds.begin() );
assert(nIndex < std::numeric_limits<sal_Int32>::max() / 1024 -1 && "possible overflow");
// block id not found in set -> register it now (value of nIndex remains valid)
if( (aIt == maBlockIds.end()) || (*aIt != nBlockId) )
maBlockIds.insert( aIt, nBlockId );
// get one-based offset of shape id in its block
sal_Int32 nBlockOffset = (nShapeId - 1) % 1024 + 1;
// calculate the local shape index
return 1024 * nIndex + nBlockOffset;
}
const OleObjectInfo* Drawing::getOleObjectInfo( const OUString& rShapeId ) const
{
return ContainerHelper::getMapElement( maOleObjects, rShapeId );
}
const ControlInfo* Drawing::getControlInfo( const OUString& rShapeId ) const
{
return ContainerHelper::getMapElement( maControls, rShapeId );
}
Reference< XShape > Drawing::createAndInsertXShape( const OUString& rService,
const Reference< XShapes >& rxShapes, const awt::Rectangle& rShapeRect ) const
{
OSL_ENSURE( !rService.isEmpty(), "Drawing::createAndInsertXShape - missing UNO shape service name" );
OSL_ENSURE( rxShapes.is(), "Drawing::createAndInsertXShape - missing XShapes container" );
Reference< XShape > xShape;
if( !rService.isEmpty() && rxShapes.is() ) try
{
Reference< XMultiServiceFactory > xModelFactory( mrFilter.getModelFactory(), UNO_SET_THROW );
xShape.set( xModelFactory->createInstance( rService ), UNO_QUERY_THROW );
if ( rService != "com.sun.star.text.TextFrame" )
{
// insert shape into passed shape collection (maybe drawpage or group shape)
rxShapes->add( xShape );
xShape->setPosition( awt::Point( rShapeRect.X, rShapeRect.Y ) );
}
else
{
Reference< XPropertySet > xPropSet( xShape, UNO_QUERY_THROW );
xPropSet->setPropertyValue( u"HoriOrient"_ustr, Any( HoriOrientation::NONE ) );
xPropSet->setPropertyValue( u"VertOrient"_ustr, Any( VertOrientation::NONE ) );
xPropSet->setPropertyValue( u"HoriOrientPosition"_ustr, Any( rShapeRect.X ) );
xPropSet->setPropertyValue( u"VertOrientPosition"_ustr, Any( rShapeRect.Y ) );
xPropSet->setPropertyValue( u"HoriOrientRelation"_ustr, Any( RelOrientation::FRAME ) );
xPropSet->setPropertyValue( u"VertOrientRelation"_ustr, Any( RelOrientation::FRAME ) );
}
xShape->setSize( awt::Size( rShapeRect.Width, rShapeRect.Height ) );
}
catch( const Exception& )
{
TOOLS_WARN_EXCEPTION( "oox", "Drawing::createAndInsertXShape - error during shape object creation" );
}
OSL_ENSURE( xShape.is(), "Drawing::createAndInsertXShape - cannot instantiate shape object" );
return xShape;
}
Reference< XShape > Drawing::createAndInsertXControlShape( const ::oox::ole::EmbeddedControl& rControl,
const Reference< XShapes >& rxShapes, const awt::Rectangle& rShapeRect, sal_Int32& rnCtrlIndex ) const
{
Reference< XShape > xShape;
try
{
// create control model and insert it into the form of the draw page
Reference< XControlModel > xCtrlModel( getControlForm().convertAndInsert( rControl, rnCtrlIndex ), UNO_SET_THROW );
// create the control shape
xShape = createAndInsertXShape( u"com.sun.star.drawing.ControlShape"_ustr, rxShapes, rShapeRect );
// set the control model at the shape
Reference< XControlShape >( xShape, UNO_QUERY_THROW )->setControl( xCtrlModel );
}
catch (Exception const&)
{
TOOLS_WARN_EXCEPTION("oox", "exception inserting Shape");
}
return xShape;
}
bool Drawing::isShapeSupported( const ShapeBase& /*rShape*/ ) const
{
return true;
}
OUString Drawing::getShapeBaseName( const ShapeBase& /*rShape*/ ) const
{
return OUString();
}
bool Drawing::convertClientAnchor( awt::Rectangle& /*orShapeRect*/, const OUString& /*rShapeAnchor*/ ) const
{
return false;
}
Reference< XShape > Drawing::createAndInsertClientXShape( const ShapeBase& /*rShape*/,
const Reference< XShapes >& /*rxShapes*/, const awt::Rectangle& /*rShapeRect*/ ) const
{
return Reference< XShape >();
}
void Drawing::notifyXShapeInserted( const Reference< XShape >& /*rxShape*/,
const awt::Rectangle& /*rShapeRect*/, const ShapeBase& /*rShape*/, bool /*bGroupChild*/ )
{
}
} // namespace oox::vml
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */