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/* -*- 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 <svtools/DocumentToGraphicRenderer.hxx>
#include <vcl/graphicfilter.hxx>
#include <vcl/svapp.hxx>
#include <vcl/outdev.hxx>
#include <tools/fract.hxx>
#include <com/sun/star/awt/XDevice.hpp>
#include <com/sun/star/text/XPageCursor.hpp>
#include <com/sun/star/text/XTextViewCursorSupplier.hpp>
#include <com/sun/star/view/XSelectionSupplier.hpp>
#include <com/sun/star/beans/PropertyValues.hpp>
#include <toolkit/helper/vclunohelper.hxx>
using namespace css;
using namespace css::uno;
using namespace css::lang;
using namespace css::beans;
DocumentToGraphicRenderer::DocumentToGraphicRenderer( const Reference<XComponent>& rxDocument, bool bSelectionOnly ) :
mxDocument(rxDocument),
mxModel( mxDocument, uno::UNO_QUERY ),
mxController( mxModel->getCurrentController() ),
mxRenderable (mxDocument, uno::UNO_QUERY ),
mxToolkit( VCLUnoHelper::CreateToolkit() ),
mbSelectionOnly( bSelectionOnly )
{
}
DocumentToGraphicRenderer::~DocumentToGraphicRenderer()
{
}
Size DocumentToGraphicRenderer::getDocumentSizeInPixels(sal_Int32 aCurrentPage)
{
Size aSize100mm = getDocumentSizeIn100mm(aCurrentPage);
return Application::GetDefaultDevice()->LogicToPixel( aSize100mm, MapUnit::Map100thMM );
}
uno::Any DocumentToGraphicRenderer::getSelection() const
{
uno::Any aSelection;
aSelection <<= mxDocument; // default: render whole document
if (mbSelectionOnly && mxController.is())
{
try
{
uno::Reference< view::XSelectionSupplier > xSelSup( mxController, uno::UNO_QUERY);
if (xSelSup.is())
{
uno::Any aViewSelection( xSelSup->getSelection());
if (aViewSelection.hasValue())
aSelection = aViewSelection;
}
}
catch (const uno::Exception&)
{
}
}
return aSelection;
}
Size DocumentToGraphicRenderer::getDocumentSizeIn100mm(sal_Int32 aCurrentPage)
{
Reference< awt::XDevice > xDevice(mxToolkit->createScreenCompatibleDevice( 32, 32 ) );
uno::Any selection( getSelection());
PropertyValues renderProperties;
renderProperties.realloc( 4 );
renderProperties[0].Name = "IsPrinter";
renderProperties[0].Value <<= true;
renderProperties[1].Name = "RenderDevice";
renderProperties[1].Value <<= xDevice;
renderProperties[2].Name = "View";
renderProperties[2].Value <<= mxController;
renderProperties[3].Name = "RenderToGraphic";
renderProperties[3].Value <<= true;
awt::Size aSize;
sal_Int32 nPages = mxRenderable->getRendererCount( selection, renderProperties );
if (nPages >= aCurrentPage)
{
Sequence< beans::PropertyValue > aResult = mxRenderable->getRenderer(aCurrentPage - 1, selection, renderProperties );
for( sal_Int32 nProperty = 0, nPropertyCount = aResult.getLength(); nProperty < nPropertyCount; ++nProperty )
{
if ( aResult[ nProperty ].Name == "PageSize" )
{
aResult[ nProperty ].Value >>= aSize;
}
}
}
return Size( aSize.Width, aSize.Height );
}
Graphic DocumentToGraphicRenderer::renderToGraphic(
sal_Int32 aCurrentPage,
Size aDocumentSizePixel,
Size aTargetSizePixel,
Color aPageColor)
{
if (!mxModel.is() || !mxController.is() || !mxRenderable.is())
return Graphic();
Reference< awt::XDevice > xDevice(mxToolkit->createScreenCompatibleDevice( aTargetSizePixel.Width(), aTargetSizePixel.Height() ) );
if (!xDevice.is())
return Graphic();
double fScaleX = aTargetSizePixel.Width() / (double) aDocumentSizePixel.Width();
double fScaleY = aTargetSizePixel.Height() / (double) aDocumentSizePixel.Height();
PropertyValues renderProps;
renderProps.realloc( 4 );
renderProps[0].Name = "IsPrinter";
renderProps[0].Value <<= true;
renderProps[1].Name = "RenderDevice";
renderProps[1].Value <<= xDevice;
renderProps[2].Name = "View";
renderProps[2].Value <<= mxController;
renderProps[3].Name = "RenderToGraphic";
renderProps[3].Value <<= true;
GDIMetaFile aMtf;
OutputDevice* pOutputDev = VCLUnoHelper::GetOutputDevice( xDevice );
pOutputDev->SetAntialiasing(pOutputDev->GetAntialiasing() | AntialiasingFlags::EnableB2dDraw);
MapMode mm = pOutputDev->GetMapMode();
mm.SetScaleX( fScaleX );
mm.SetScaleY( fScaleY );
pOutputDev->SetMapMode( mm );
aMtf.Record( pOutputDev );
if (aPageColor != Color(COL_TRANSPARENT))
{
pOutputDev->SetBackground(Wallpaper(aPageColor));
pOutputDev->Erase();
}
uno::Any aSelection( getSelection());
mxRenderable->render(aCurrentPage - 1, aSelection, renderProps );
aMtf.Stop();
aMtf.WindStart();
aMtf.SetPrefSize( aTargetSizePixel );
return Graphic(aMtf);
}
sal_Int32 DocumentToGraphicRenderer::getCurrentPageWriter()
{
Reference<text::XTextViewCursorSupplier> xTextViewCursorSupplier(mxModel->getCurrentController(), UNO_QUERY);
if (!xTextViewCursorSupplier.is())
return 1;
Reference<text::XPageCursor> xCursor(xTextViewCursorSupplier->getViewCursor(), UNO_QUERY);
return xCursor->getPage();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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