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libreoffice/xmloff/source/draw/XMLImageMapExport.cxx
Rüdiger Timm 5c2f48ad65 INTEGRATION: CWS oasisbf2 (1.6.416); FILE MERGED 
2004/10/27 17:23:36 dvo 1.6.416.1: #i35802# image maps should use draw:points (instead of svg:points) on
  <draw:area-polygon>
  update filter + OASIS transformer
2004-11-26 11:59:37 +00:00

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/*************************************************************************
*
* $RCSfile: XMLImageMapExport.cxx,v $
*
* $Revision: 1.7 $
*
* last change: $Author: rt $ $Date: 2004-11-26 12:59:37 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _XMLOFF_XMLIMAGEMAPEXPORT_HXX_
#include "XMLImageMapExport.hxx"
#endif
#ifndef _RTL_USTRING_HXX_
#include <rtl/ustring.hxx>
#endif
#ifndef _RTL_USTRBUF_HXX_
#include <rtl/ustrbuf.hxx>
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef _COM_SUN_STAR_UNO_REFERENCE_H_
#include <com/sun/star/uno/Reference.h>
#endif
#ifndef _COM_SUN_STAR_UNO_SEQUENCE_H_
#include <com/sun/star/uno/Sequence.h>
#endif
#ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_
#include <com/sun/star/beans/XPropertySet.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XSERVICEINFO_HPP_
#include <com/sun/star/lang/XServiceInfo.hpp>
#endif
#ifndef _COM_SUN_STAR_CONTAINER_XINDEXCONTAINER_HPP_
#include <com/sun/star/container/XIndexContainer.hpp>
#endif
#ifndef _COM_SUN_STAR_DOCUMENT_XEVENTSSUPPLIER_HPP
#include <com/sun/star/document/XEventsSupplier.hpp>
#endif
#ifndef _COM_SUN_STAR_AWT_RECTANGLE_HPP_
#include <com/sun/star/awt/Rectangle.hpp>
#endif
#ifndef _COM_SUN_STAR_AWT_POINT_HPP_
#include <com/sun/star/awt/Point.hpp>
#endif
#ifndef _COM_SUN_STAR_AWT_SIZE_HPP_
#include <com/sun/star/awt/Size.hpp>
#endif
#ifndef _COM_SUN_STAR_DRAWING_POINTSEQUENCE_HPP_
#include <com/sun/star/drawing/PointSequence.hpp>
#endif
#ifndef _XMLOFF_XMLEXP_HXX
#include "xmlexp.hxx"
#endif
#ifndef _XMLOFF_XMLNMSPE_HXX
#include "xmlnmspe.hxx"
#endif
#ifndef _XMLOFF_XMLTOKEN_HXX
#include "xmltoken.hxx"
#endif
#ifndef _XMLOFF_XMLEVENTEXPORT_HXX
#include "XMLEventExport.hxx"
#endif
#ifndef _XMLOFF_XMLUCONV_HXX
#include "xmluconv.hxx"
#endif
#ifndef _XEXPTRANSFORM_HXX
#include "xexptran.hxx"
#endif
using namespace ::com::sun::star;
using namespace ::xmloff::token;
using ::rtl::OUString;
using ::rtl::OUStringBuffer;
using ::com::sun::star::uno::Any;
using ::com::sun::star::uno::UNO_QUERY;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::beans::XPropertySet;
using ::com::sun::star::container::XIndexContainer;
using ::com::sun::star::document::XEventsSupplier;
using ::com::sun::star::lang::XServiceInfo;
using ::com::sun::star::drawing::PointSequence;
const sal_Char sAPI_ImageMapRectangleObject[] = "com.sun.star.image.ImageMapRectangleObject";
const sal_Char sAPI_ImageMapCircleObject[] = "com.sun.star.image.ImageMapCircleObject";
const sal_Char sAPI_ImageMapPolygonObject[] = "com.sun.star.image.ImageMapPolygonObject";
XMLImageMapExport::XMLImageMapExport(SvXMLExport& rExp) :
rExport(rExp),
bWhiteSpace(sal_True),
sBoundary(RTL_CONSTASCII_USTRINGPARAM("Boundary")),
sCenter(RTL_CONSTASCII_USTRINGPARAM("Center")),
sDescription(RTL_CONSTASCII_USTRINGPARAM("Description")),
sImageMap(RTL_CONSTASCII_USTRINGPARAM("ImageMap")),
sIsActive(RTL_CONSTASCII_USTRINGPARAM("IsActive")),
sName(RTL_CONSTASCII_USTRINGPARAM("Name")),
sPolygon(RTL_CONSTASCII_USTRINGPARAM("Polygon")),
sRadius(RTL_CONSTASCII_USTRINGPARAM("Radius")),
sTarget(RTL_CONSTASCII_USTRINGPARAM("Target")),
sURL(RTL_CONSTASCII_USTRINGPARAM("URL"))
{
}
XMLImageMapExport::~XMLImageMapExport()
{
}
void XMLImageMapExport::Export(
const Reference<XPropertySet> & rPropertySet)
{
if (rPropertySet->getPropertySetInfo()->hasPropertyByName(sImageMap))
{
Any aAny = rPropertySet->getPropertyValue(sImageMap);
Reference<XIndexContainer> aContainer;
aAny >>= aContainer;
Export(aContainer);
}
// else: no ImageMap property -> nothing to do
}
void XMLImageMapExport::Export(
const Reference<XIndexContainer> & rContainer)
{
if (rContainer.is())
{
if (rContainer->hasElements())
{
// image map container element
SvXMLElementExport aImageMapElement(
rExport, XML_NAMESPACE_DRAW, XML_IMAGE_MAP,
bWhiteSpace, bWhiteSpace);
// iterate over image map elements and call ExportMapEntry(...)
// for each
sal_Int32 nLength = rContainer->getCount();
for(sal_Int32 i = 0; i < nLength; i++)
{
Any aAny = rContainer->getByIndex(i);
Reference<XPropertySet> rElement;
aAny >>= rElement;
DBG_ASSERT(rElement.is(), "Image map element is empty!");
if (rElement.is())
{
ExportMapEntry(rElement);
}
}
}
// else: container is empty -> nothing to do
}
// else: no container -> nothign to do
}
void XMLImageMapExport::ExportMapEntry(
const Reference<XPropertySet> & rPropertySet)
{
Reference<XServiceInfo> xServiceInfo(rPropertySet, UNO_QUERY);
if (xServiceInfo.is())
{
enum XMLTokenEnum eType = XML_TOKEN_INVALID;
// distinguish map entries by their service name
Sequence<OUString> sServiceNames =
xServiceInfo->getSupportedServiceNames();
sal_Int32 nLength = sServiceNames.getLength();
sal_Bool bFound = sal_False;
for( sal_Int32 i=0; i<nLength; i++ )
{
OUString& rName = sServiceNames[i];
if ( rName.equalsAsciiL(sAPI_ImageMapRectangleObject,
sizeof(sAPI_ImageMapRectangleObject)-1) )
{
eType = XML_AREA_RECTANGLE;
break;
}
else if ( rName.equalsAsciiL(sAPI_ImageMapCircleObject,
sizeof(sAPI_ImageMapCircleObject)-1) )
{
eType = XML_AREA_CIRCLE;
break;
}
else if ( rName.equalsAsciiL(sAPI_ImageMapPolygonObject,
sizeof(sAPI_ImageMapPolygonObject)-1))
{
eType = XML_AREA_POLYGON;
break;
}
}
// return from method if no proper service is found!
DBG_ASSERT(XML_TOKEN_INVALID != eType,
"Image map element doesn't support appropriate service!");
if (XML_TOKEN_INVALID == eType)
return;
// now: handle ImageMapObject properties (those for all types)
// XLINK (URL property)
Any aAny = rPropertySet->getPropertyValue(sURL);
OUString sHref;
aAny >>= sHref;
if (sHref.getLength() > 0)
{
rExport.AddAttribute(XML_NAMESPACE_XLINK, XML_HREF, rExport.GetRelativeReference(sHref));
}
rExport.AddAttribute( XML_NAMESPACE_XLINK, XML_TYPE, XML_SIMPLE );
// Target property (and xlink:show)
aAny = rPropertySet->getPropertyValue(sTarget);
OUString sTargt;
aAny >>= sTargt;
if (sTargt.getLength() > 0)
{
rExport.AddAttribute(
XML_NAMESPACE_OFFICE, XML_TARGET_FRAME_NAME, sTargt);
rExport.AddAttribute(
XML_NAMESPACE_XLINK, XML_SHOW,
sTargt.equalsAsciiL( "_blank", sizeof("_blank")-1 )
? XML_NEW : XML_REPLACE );
}
// name
aAny = rPropertySet->getPropertyValue(sName);
OUString sItemName;
aAny >>= sItemName;
if (sItemName.getLength() > 0)
{
rExport.AddAttribute(XML_NAMESPACE_OFFICE, XML_NAME, sItemName);
}
// is-active
aAny = rPropertySet->getPropertyValue(sIsActive);
if (! *(sal_Bool*)aAny.getValue())
{
rExport.AddAttribute(XML_NAMESPACE_DRAW, XML_NOHREF, XML_NOHREF);
}
// call specific rectangle/circle/... method
// also prepare element name
switch (eType)
{
case XML_AREA_RECTANGLE:
ExportRectangle(rPropertySet);
break;
case XML_AREA_CIRCLE:
ExportCircle(rPropertySet);
break;
case XML_AREA_POLYGON:
ExportPolygon(rPropertySet);
break;
}
// write element
DBG_ASSERT(XML_TOKEN_INVALID != eType,
"No name?! How did this happen?");
SvXMLElementExport aAreaElement(rExport, XML_NAMESPACE_DRAW, eType,
bWhiteSpace, bWhiteSpace);
// description property (as <svg:desc> element)
aAny = rPropertySet->getPropertyValue(sDescription);
OUString sDescription;
aAny >>= sDescription;
if (sDescription.getLength() > 0)
{
SvXMLElementExport aDesc(rExport, XML_NAMESPACE_SVG, XML_DESC,
bWhiteSpace, sal_False);
rExport.GetDocHandler()->characters(sDescription);
}
// export events attached to this
Reference<XEventsSupplier> xSupplier(rPropertySet, UNO_QUERY);
rExport.GetEventExport().Export(xSupplier, bWhiteSpace);
}
// else: no service info -> can't determine type -> ignore entry
}
void XMLImageMapExport::ExportRectangle(
const Reference<XPropertySet> & rPropertySet)
{
// get boundary rectangle
Any aAny = rPropertySet->getPropertyValue(sBoundary);
awt::Rectangle aRectangle;
aAny >>= aRectangle;
// parameters svg:x, svg:y, svg:width, svg:height
OUStringBuffer aBuffer;
rExport.GetMM100UnitConverter().convertMeasure(aBuffer, aRectangle.X);
rExport.AddAttribute( XML_NAMESPACE_SVG, XML_X,
aBuffer.makeStringAndClear() );
rExport.GetMM100UnitConverter().convertMeasure(aBuffer, aRectangle.Y);
rExport.AddAttribute( XML_NAMESPACE_SVG, XML_Y,
aBuffer.makeStringAndClear() );
rExport.GetMM100UnitConverter().convertMeasure(aBuffer, aRectangle.Width);
rExport.AddAttribute( XML_NAMESPACE_SVG, XML_WIDTH,
aBuffer.makeStringAndClear() );
rExport.GetMM100UnitConverter().convertMeasure(aBuffer, aRectangle.Height);
rExport.AddAttribute( XML_NAMESPACE_SVG, XML_HEIGHT,
aBuffer.makeStringAndClear() );
}
void XMLImageMapExport::ExportCircle(
const Reference<XPropertySet> & rPropertySet)
{
// get boundary rectangle
Any aAny = rPropertySet->getPropertyValue(sCenter);
awt::Point aCenter;
aAny >>= aCenter;
// parameters svg:cx, svg:cy
OUStringBuffer aBuffer;
rExport.GetMM100UnitConverter().convertMeasure(aBuffer, aCenter.X);
rExport.AddAttribute( XML_NAMESPACE_SVG, XML_CX,
aBuffer.makeStringAndClear() );
rExport.GetMM100UnitConverter().convertMeasure(aBuffer, aCenter.Y);
rExport.AddAttribute( XML_NAMESPACE_SVG, XML_CY,
aBuffer.makeStringAndClear() );
// radius
aAny = rPropertySet->getPropertyValue(sRadius);
sal_Int32 nRadius;
aAny >>= nRadius;
rExport.GetMM100UnitConverter().convertMeasure(aBuffer, nRadius);
rExport.AddAttribute( XML_NAMESPACE_SVG, XML_R,
aBuffer.makeStringAndClear() );
}
void XMLImageMapExport::ExportPolygon(
const Reference<XPropertySet> & rPropertySet)
{
// polygons get exported as bounding box, viewbox, and coordinate
// pair sequence. The bounding box is always the entire image.
// get polygon point sequence
Any aAny = rPropertySet->getPropertyValue(sPolygon);
PointSequence aPoly;
aAny >>= aPoly;
// get bounding box (assume top-left to be 0,0)
sal_Int32 nWidth = 0;
sal_Int32 nHeight = 0;
sal_Int32 nLength = aPoly.getLength();
const struct awt::Point* pPointPtr = aPoly.getConstArray();
for ( sal_Int32 i = 0; i < nLength; i++ )
{
sal_Int32 nPolyX = pPointPtr->X;
sal_Int32 nPolyY = pPointPtr->Y;
if ( nPolyX > nWidth )
nWidth = nPolyX;
if ( nPolyY > nHeight )
nHeight = nPolyY;
pPointPtr++;
}
DBG_ASSERT(nWidth > 0, "impossible Polygon found");
DBG_ASSERT(nHeight > 0, "impossible Polygon found");
// parameters svg:x, svg:y, svg:width, svg:height
OUStringBuffer aBuffer;
rExport.AddAttribute( XML_NAMESPACE_SVG, XML_X, XML_0 );
rExport.AddAttribute( XML_NAMESPACE_SVG, XML_Y, XML_0 );
rExport.GetMM100UnitConverter().convertMeasure(aBuffer, nWidth);
rExport.AddAttribute( XML_NAMESPACE_SVG, XML_WIDTH,
aBuffer.makeStringAndClear() );
rExport.GetMM100UnitConverter().convertMeasure(aBuffer, nHeight);
rExport.AddAttribute( XML_NAMESPACE_SVG, XML_HEIGHT,
aBuffer.makeStringAndClear() );
// svg:viewbox
SdXMLImExViewBox aViewBox(0, 0, nWidth, nHeight);
rExport.AddAttribute(XML_NAMESPACE_SVG, XML_VIEWBOX,
aViewBox.GetExportString(rExport.GetMM100UnitConverter()));
// export point sequence
awt::Point aPoint(0, 0);
awt::Size aSize(nWidth, nHeight);
SdXMLImExPointsElement aPoints( &aPoly, aViewBox, aPoint, aSize,
rExport.GetMM100UnitConverter() );
rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_POINTS,
aPoints.GetExportString());
}
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