office-gobmx/xmloff/source/draw/XMLImageMapExport.cxx
2011-03-29 21:40:28 +01:00

387 lines
14 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmloff.hxx"
#include "XMLImageMapExport.hxx"
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>
#include <tools/debug.hxx>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/container/XIndexContainer.hpp>
#include <com/sun/star/document/XEventsSupplier.hpp>
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/awt/Size.hpp>
#include <com/sun/star/drawing/PointSequence.hpp>
#include <xmloff/xmlexp.hxx>
#include "xmloff/xmlnmspe.hxx"
#include <xmloff/xmltoken.hxx>
#include <xmloff/XMLEventExport.hxx>
#include <xmloff/xmluconv.hxx>
#include "xexptran.hxx"
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) :
msBoundary(RTL_CONSTASCII_USTRINGPARAM("Boundary")),
msCenter(RTL_CONSTASCII_USTRINGPARAM("Center")),
msDescription(RTL_CONSTASCII_USTRINGPARAM("Description")),
msImageMap(RTL_CONSTASCII_USTRINGPARAM("ImageMap")),
msIsActive(RTL_CONSTASCII_USTRINGPARAM("IsActive")),
msName(RTL_CONSTASCII_USTRINGPARAM("Name")),
msPolygon(RTL_CONSTASCII_USTRINGPARAM("Polygon")),
msRadius(RTL_CONSTASCII_USTRINGPARAM("Radius")),
msTarget(RTL_CONSTASCII_USTRINGPARAM("Target")),
msURL(RTL_CONSTASCII_USTRINGPARAM("URL")),
msTitle(RTL_CONSTASCII_USTRINGPARAM("Title")),
mrExport(rExp),
mbWhiteSpace(sal_True)
{
}
XMLImageMapExport::~XMLImageMapExport()
{
}
void XMLImageMapExport::Export(
const Reference<XPropertySet> & rPropertySet)
{
if (rPropertySet->getPropertySetInfo()->hasPropertyByName(msImageMap))
{
Any aAny = rPropertySet->getPropertyValue(msImageMap);
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(
mrExport, XML_NAMESPACE_DRAW, XML_IMAGE_MAP,
mbWhiteSpace, mbWhiteSpace);
// 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();
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(msURL);
OUString sHref;
aAny >>= sHref;
if (sHref.getLength() > 0)
{
mrExport.AddAttribute(XML_NAMESPACE_XLINK, XML_HREF, mrExport.GetRelativeReference(sHref));
}
mrExport.AddAttribute( XML_NAMESPACE_XLINK, XML_TYPE, XML_SIMPLE );
// Target property (and xlink:show)
aAny = rPropertySet->getPropertyValue(msTarget);
OUString sTargt;
aAny >>= sTargt;
if (sTargt.getLength() > 0)
{
mrExport.AddAttribute(
XML_NAMESPACE_OFFICE, XML_TARGET_FRAME_NAME, sTargt);
mrExport.AddAttribute(
XML_NAMESPACE_XLINK, XML_SHOW,
sTargt.equalsAsciiL( "_blank", sizeof("_blank")-1 )
? XML_NEW : XML_REPLACE );
}
// name
aAny = rPropertySet->getPropertyValue(msName);
OUString sItemName;
aAny >>= sItemName;
if (sItemName.getLength() > 0)
{
mrExport.AddAttribute(XML_NAMESPACE_OFFICE, XML_NAME, sItemName);
}
// is-active
aAny = rPropertySet->getPropertyValue(msIsActive);
if (! *(sal_Bool*)aAny.getValue())
{
mrExport.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;
default:
break;
}
// write element
DBG_ASSERT(XML_TOKEN_INVALID != eType,
"No name?! How did this happen?");
SvXMLElementExport aAreaElement(mrExport, XML_NAMESPACE_DRAW, eType,
mbWhiteSpace, mbWhiteSpace);
// title property (as <svg:title> element)
OUString sTitle;
rPropertySet->getPropertyValue(msTitle) >>= sTitle;
if(sTitle.getLength())
{
SvXMLElementExport aEventElemt(mrExport, XML_NAMESPACE_SVG, XML_TITLE, mbWhiteSpace, sal_False);
mrExport.Characters(sTitle);
}
// description property (as <svg:desc> element)
OUString sDescription;
rPropertySet->getPropertyValue(msDescription) >>= sDescription;
if (sDescription.getLength() > 0)
{
SvXMLElementExport aDesc(mrExport, XML_NAMESPACE_SVG, XML_DESC, mbWhiteSpace, sal_False);
mrExport.Characters(sDescription);
}
// export events attached to this
Reference<XEventsSupplier> xSupplier(rPropertySet, UNO_QUERY);
mrExport.GetEventExport().Export(xSupplier, mbWhiteSpace);
}
// else: no service info -> can't determine type -> ignore entry
}
void XMLImageMapExport::ExportRectangle(
const Reference<XPropertySet> & rPropertySet)
{
// get boundary rectangle
Any aAny = rPropertySet->getPropertyValue(msBoundary);
awt::Rectangle aRectangle;
aAny >>= aRectangle;
// parameters svg:x, svg:y, svg:width, svg:height
OUStringBuffer aBuffer;
mrExport.GetMM100UnitConverter().convertMeasure(aBuffer, aRectangle.X);
mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_X,
aBuffer.makeStringAndClear() );
mrExport.GetMM100UnitConverter().convertMeasure(aBuffer, aRectangle.Y);
mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_Y,
aBuffer.makeStringAndClear() );
mrExport.GetMM100UnitConverter().convertMeasure(aBuffer, aRectangle.Width);
mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_WIDTH,
aBuffer.makeStringAndClear() );
mrExport.GetMM100UnitConverter().convertMeasure(aBuffer, aRectangle.Height);
mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_HEIGHT,
aBuffer.makeStringAndClear() );
}
void XMLImageMapExport::ExportCircle(
const Reference<XPropertySet> & rPropertySet)
{
// get boundary rectangle
Any aAny = rPropertySet->getPropertyValue(msCenter);
awt::Point aCenter;
aAny >>= aCenter;
// parameters svg:cx, svg:cy
OUStringBuffer aBuffer;
mrExport.GetMM100UnitConverter().convertMeasure(aBuffer, aCenter.X);
mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_CX,
aBuffer.makeStringAndClear() );
mrExport.GetMM100UnitConverter().convertMeasure(aBuffer, aCenter.Y);
mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_CY,
aBuffer.makeStringAndClear() );
// radius
aAny = rPropertySet->getPropertyValue(msRadius);
sal_Int32 nRadius = 0;
aAny >>= nRadius;
mrExport.GetMM100UnitConverter().convertMeasure(aBuffer, nRadius);
mrExport.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(msPolygon);
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;
mrExport.GetMM100UnitConverter().convertMeasure(aBuffer, 0);
mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_X,
aBuffer.makeStringAndClear() );
mrExport.GetMM100UnitConverter().convertMeasure(aBuffer, 0);
mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_Y,
aBuffer.makeStringAndClear() );
mrExport.GetMM100UnitConverter().convertMeasure(aBuffer, nWidth);
mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_WIDTH,
aBuffer.makeStringAndClear() );
mrExport.GetMM100UnitConverter().convertMeasure(aBuffer, nHeight);
mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_HEIGHT,
aBuffer.makeStringAndClear() );
// svg:viewbox
SdXMLImExViewBox aViewBox(0, 0, nWidth, nHeight);
mrExport.AddAttribute(XML_NAMESPACE_SVG, XML_VIEWBOX,
aViewBox.GetExportString());
// export point sequence
awt::Point aPoint(0, 0);
awt::Size aSize(nWidth, nHeight);
SdXMLImExPointsElement aPoints( &aPoly, aViewBox, aPoint, aSize );
mrExport.AddAttribute( XML_NAMESPACE_DRAW, XML_POINTS,
aPoints.GetExportString());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */