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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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/.
*/
#include <vector>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <cppuhelper/implbase2.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <drawinglayer/primitive2d/Primitive2DContainer.hxx>
#include <vcl/bitmapex.hxx>
#include <vcl/pdfread.hxx>
#include <vcl/svapp.hxx>
#include <vcl/outdev.hxx>
#include <vcl/BinaryDataContainer.hxx>
#include <vcl/BinaryDataContainerTools.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <com/sun/star/graphic/XPdfDecomposer.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/util/XBinaryDataContainer.hpp>
using namespace css;
namespace
{
/// Class to convert the PDF data into a XPrimitive2D (containing only a bitmap).
class XPdfDecomposer
: public ::cppu::WeakAggImplHelper2<graphic::XPdfDecomposer, lang::XServiceInfo>
{
public:
explicit XPdfDecomposer(uno::Reference<uno::XComponentContext> const& context);
XPdfDecomposer(const XPdfDecomposer&) = delete;
XPdfDecomposer& operator=(const XPdfDecomposer&) = delete;
// XPdfDecomposer
uno::Sequence<uno::Reference<graphic::XPrimitive2D>> SAL_CALL
getDecomposition(const uno::Reference<util::XBinaryDataContainer>& xDataContainer,
const uno::Sequence<beans::PropertyValue>& xDecompositionParameters) override;
// XServiceInfo
OUString SAL_CALL getImplementationName() override;
sal_Bool SAL_CALL supportsService(const OUString&) override;
uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
};
XPdfDecomposer::XPdfDecomposer(uno::Reference<uno::XComponentContext> const&) {}
uno::Sequence<uno::Reference<graphic::XPrimitive2D>> SAL_CALL
XPdfDecomposer::getDecomposition(const uno::Reference<util::XBinaryDataContainer>& xDataContainer,
const uno::Sequence<beans::PropertyValue>& xParameters)
{
sal_Int32 nPageIndex = -1;
for (const beans::PropertyValue& rProperty : xParameters)
{
if (rProperty.Name == "PageIndex")
{
rProperty.Value >>= nPageIndex;
break;
}
}
if (nPageIndex < 0)
nPageIndex = 0;
BinaryDataContainer aDataContainer = vcl::convertUnoBinaryDataContainer(xDataContainer);
std::vector<BitmapEx> aBitmaps;
int rv = vcl::RenderPDFBitmaps(aDataContainer.getData(), aDataContainer.getSize(), aBitmaps,
nPageIndex, 1);
if (rv == 0)
return {}; // happens if we do not have PDFium
BitmapEx aReplacement(aBitmaps[0]);
// short form for scale and translate transformation
const Size aBitmapSize(aReplacement.GetSizePixel());
// ImpGraphic::getPrefMapMode() requires mm100 for bitmaps rendered from vector graphic data.
const Size aMM100(
Application::GetDefaultDevice()->PixelToLogic(aBitmapSize, MapMode(MapUnit::Map100thMM)));
const basegfx::B2DHomMatrix aBitmapTransform(basegfx::utils::createScaleTranslateB2DHomMatrix(
aMM100.getWidth(), aMM100.getHeight(), 0, 0));
// create primitive
return drawinglayer::primitive2d::Primitive2DContainer{
new drawinglayer::primitive2d::BitmapPrimitive2D(
VCLUnoHelper::CreateVCLXBitmap(aReplacement), aBitmapTransform)
}
.toSequence();
}
OUString SAL_CALL XPdfDecomposer::getImplementationName()
{
return "com.sun.star.comp.PDF.PDFDecomposer";
}
sal_Bool SAL_CALL XPdfDecomposer::supportsService(const OUString& rServiceName)
{
return cppu::supportsService(this, rServiceName);
}
uno::Sequence<OUString> SAL_CALL XPdfDecomposer::getSupportedServiceNames()
{
return { "com.sun.star.graphic.PdfTools" };
}
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
filter_PdfDecomposer_get_implementation(css::uno::XComponentContext* context,
css::uno::Sequence<css::uno::Any> const&)
{
return cppu::acquire(new XPdfDecomposer(context));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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