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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 <tools/stream.hxx>
#include <vcl/svgdata.hxx>
#include <comphelper/processfactory.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/graphic/SvgTools.hpp>
#include <com/sun/star/graphic/Primitive2DTools.hpp>
#include <com/sun/star/rendering/XIntegerReadOnlyBitmap.hpp>
#include <vcl/canvastools.hxx>
#include <comphelper/seqstream.hxx>
#include <vcl/svapp.hxx>
#include <vcl/outdev.hxx>
using namespace ::com::sun::star;
BitmapEx VCL_DLLPUBLIC convertPrimitive2DSequenceToBitmapEx(
const Primitive2DSequence& rSequence,
const basegfx::B2DRange& rTargetRange,
const sal_uInt32 nMaximumQuadraticPixels)
{
BitmapEx aRetval;
if(rSequence.hasElements())
{
// create replacement graphic from maSequence
// create XPrimitive2DRenderer
uno::Reference< uno::XComponentContext > xContext(::comphelper::getProcessComponentContext());
try
{
const uno::Reference< graphic::XPrimitive2DRenderer > xPrimitive2DRenderer = graphic::Primitive2DTools::create(xContext);
uno::Sequence< beans::PropertyValue > aViewParameters;
geometry::RealRectangle2D aRealRect;
aRealRect.X1 = rTargetRange.getMinX();
aRealRect.Y1 = rTargetRange.getMinY();
aRealRect.X2 = rTargetRange.getMaxX();
aRealRect.Y2 = rTargetRange.getMaxY();
// get system DPI
const Size aDPI(Application::GetDefaultDevice()->LogicToPixel(Size(1, 1), MAP_INCH));
const uno::Reference< rendering::XBitmap > xBitmap(
xPrimitive2DRenderer->rasterize(
rSequence,
aViewParameters,
aDPI.getWidth(),
aDPI.getHeight(),
aRealRect,
nMaximumQuadraticPixels));
if(xBitmap.is())
{
const uno::Reference< rendering::XIntegerReadOnlyBitmap> xIntBmp(xBitmap, uno::UNO_QUERY_THROW);
if(xIntBmp.is())
{
aRetval = vcl::unotools::bitmapExFromXBitmap(xIntBmp);
}
}
}
catch(const uno::Exception& e)
{
SAL_WARN( "vcl", "Got no graphic::XPrimitive2DRenderer! : " << e.Message);
}
}
return aRetval;
}
void SvgData::ensureReplacement()
{
ensureSequenceAndRange();
if(maReplacement.IsEmpty() && maSequence.hasElements())
{
maReplacement = convertPrimitive2DSequenceToBitmapEx(maSequence, getRange());
}
}
void SvgData::ensureSequenceAndRange()
{
if(!maSequence.hasElements() && mnSvgDataArrayLength)
{
// import SVG to maSequence, also set maRange
maRange.reset();
// create stream
const uno::Sequence< sal_Int8 > aPostData((sal_Int8*)maSvgDataArray.get(), mnSvgDataArrayLength);
const uno::Reference< io::XInputStream > myInputStream(new comphelper::SequenceInputStream(aPostData));
if(myInputStream.is())
{
// create SVG interpreter
uno::Reference< uno::XComponentContext > xContext(::comphelper::getProcessComponentContext());
try
{
const uno::Reference< graphic::XSvgParser > xSvgParser = graphic::SvgTools::create(xContext);
maSequence = xSvgParser->getDecomposition(myInputStream, maPath);
}
catch(const uno::Exception&)
{
OSL_ENSURE(false, "Got no graphic::XSvgParser (!)" );
}
}
if(maSequence.hasElements())
{
const sal_Int32 nCount(maSequence.getLength());
geometry::RealRectangle2D aRealRect;
uno::Sequence< beans::PropertyValue > aViewParameters;
for(sal_Int32 a(0L); a < nCount; a++)
{
// get reference
const Primitive2DReference xReference(maSequence[a]);
if(xReference.is())
{
aRealRect = xReference->getRange(aViewParameters);
maRange.expand(
basegfx::B2DRange(
aRealRect.X1,
aRealRect.Y1,
aRealRect.X2,
aRealRect.Y2));
}
}
}
}
}
SvgData::SvgData(const SvgDataArray& rSvgDataArray, sal_uInt32 nSvgDataArrayLength, const OUString& rPath)
: maSvgDataArray(rSvgDataArray),
mnSvgDataArrayLength(nSvgDataArrayLength),
maPath(rPath),
maRange(),
maSequence(),
maReplacement()
{
}
SvgData::SvgData(const OUString& rPath):
maSvgDataArray(),
mnSvgDataArrayLength(0),
maPath(rPath),
maRange(),
maSequence(),
maReplacement()
{
SvFileStream rIStm(rPath, STREAM_STD_READ);
if(rIStm.GetError())
return;
const sal_uInt32 nStmLen(rIStm.remainingSize());
if(nStmLen)
{
SvgDataArray aNewData(new sal_uInt8[nStmLen]);
rIStm.Read(aNewData.get(), nStmLen);
if(!rIStm.GetError())
{
maSvgDataArray = aNewData;
mnSvgDataArrayLength = nStmLen;
}
}
}
const basegfx::B2DRange& SvgData::getRange() const
{
const_cast< SvgData* >(this)->ensureSequenceAndRange();
return maRange;
}
const Primitive2DSequence& SvgData::getPrimitive2DSequence() const
{
const_cast< SvgData* >(this)->ensureSequenceAndRange();
return maSequence;
}
const BitmapEx& SvgData::getReplacement() const
{
const_cast< SvgData* >(this)->ensureReplacement();
return maReplacement;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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