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