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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <helperchartrenderer.hxx>
#include <drawinglayer/primitive2d/chartprimitive2d.hxx>
#include <svtools/chartprettypainter.hxx>
#include <com/sun/star/lang/XUnoTunnel.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <drawinglayer/geometry/viewinformation2d.hxx>
//////////////////////////////////////////////////////////////////////////////
using namespace com::sun::star;
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
bool renderChartPrimitive2D(
const primitive2d::ChartPrimitive2D& rChartCandidate,
OutputDevice& rOutputDevice,
const geometry::ViewInformation2D& rViewInformation2D)
{
bool bChartRendered(false);
// code from chart PrettyPrinter
try
{
uno::Reference< lang::XMultiServiceFactory > xFact( rChartCandidate.getChartModel(), uno::UNO_QUERY );
OSL_ENSURE( xFact.is(), "Chart cannot be painted pretty!\n" );
if( xFact.is() )
{
uno::Reference< lang::XUnoTunnel > xChartRenderer( xFact->createInstance(
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.ChartRenderer" ) ) ), uno::UNO_QUERY );
OSL_ENSURE( xChartRenderer.is(), "Chart cannot be painted pretty!\n" );
if( xChartRenderer.is() )
{
ChartPrettyPainter* pPrettyPainter = reinterpret_cast<ChartPrettyPainter*>(
xChartRenderer->getSomething( ChartPrettyPainter::getUnoTunnelId() ));
if( pPrettyPainter )
{
// create logic object range; do NOT use ObjectTransformation for this
// (rViewInformation2D.getObjectTransformation()), only the logic object
// size is wanted
basegfx::B2DRange aObjectRange(0.0, 0.0, 1.0, 1.0);
aObjectRange.transform(rChartCandidate.getTransformation());
const Rectangle aRectangle(
(sal_Int32)aObjectRange.getMinX(), (sal_Int32)aObjectRange.getMinY(),
(sal_Int32)aObjectRange.getMaxX(), (sal_Int32)aObjectRange.getMaxY());
// #i101811#
if(rViewInformation2D.getObjectTransformation().isIdentity())
{
// no embedding in another transfromation, just paint with existing
// MapMode. This is just a shortcut; using the below code will also
// work; it has just a neutral ObjectTransformation
bChartRendered = pPrettyPainter->DoPaint(&rOutputDevice, aRectangle);
}
else
{
// rViewInformation2D.getObjectTransformation() is used and
// needs to be expressed in the MapMode for the PrettyPainter;
// else it would call ChartModelHelper::setPageSize(...) with the
// changed size what really will change the chart model and leads
// to re-layouts and re-formatting
const MapMode aOldMapMode(rOutputDevice.GetMapMode());
basegfx::B2DVector aVTScale, aScale, aTranslate;
double fRotate, fShearX;
// get basic scaling with current MapMode (aVTScale), containing
// mapping for set MapUnit (e.g. for 100th mm, the basic scale is
// not 1.0, 1.0). This is needed since this scale is included in
// the ObjectToView Transformation and needs to be removed (see
// correction below) to re-create a MapMode
rOutputDevice.SetMapMode(aOldMapMode.GetMapUnit());
rOutputDevice.GetViewTransformation().decompose(aVTScale, aTranslate, fRotate, fShearX);
// get complete ObjectToView Transformation scale and translate from current
// transformation chain (combined view and object transform)
rViewInformation2D.getObjectToViewTransformation().decompose(aScale, aTranslate, fRotate, fShearX);
// assert when shear and/or rotation is used
OSL_ENSURE(basegfx::fTools::equalZero(fRotate), "Chart PrettyPrinting with unsupportable rotation (!)");
OSL_ENSURE(basegfx::fTools::equalZero(fShearX), "Chart PrettyPrinting with unsupportable shear (!)");
// clean scale and translate from basic scaling (DPI, etc...)
// since this will implicitely be part of the to-be-created MapMode
const basegfx::B2DTuple aBasicCleaner(
basegfx::fTools::equalZero(aVTScale.getX()) ? 1.0 : 1.0 / aVTScale.getX(),
basegfx::fTools::equalZero(aVTScale.getY()) ? 1.0 : 1.0 / aVTScale.getY());
aScale *= aBasicCleaner;
aTranslate *= aBasicCleaner;
// for MapMode, take scale out of translation
const basegfx::B2DTuple aScaleRemover(
basegfx::fTools::equalZero(aScale.getX()) ? 1.0 : 1.0 / aScale.getX(),
basegfx::fTools::equalZero(aScale.getY()) ? 1.0 : 1.0 / aScale.getY());
aTranslate *= aScaleRemover;
// build new MapMode
const MapMode aNewMapMode(aOldMapMode.GetMapUnit(),
Point(basegfx::fround(aTranslate.getX()), basegfx::fround(aTranslate.getY())),
Fraction(aScale.getX()), Fraction(aScale.getY()));
// use, paint, restore
rOutputDevice.SetMapMode(aNewMapMode);
bChartRendered = pPrettyPainter->DoPaint(&rOutputDevice, aRectangle);
rOutputDevice.SetMapMode(aOldMapMode);
}
}
}
}
}
catch( uno::Exception& e )
{
(void)e;
OSL_FAIL( "Chart cannot be painted pretty!" );
}
return bChartRendered;
}
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// eof
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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