Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 358 insertions, 0 deletions

diff --git a/vcl/source/gdi/vectorgraphicdata.cxx b/vcl/source/gdi/vectorgraphicdata.cxx
new file mode 100644
index 000000000..80195dc26
--- /dev/null
+++ b/vcl/source/gdi/vectorgraphicdata.cxx
@@ -0,0 +1,358 @@
+/* -*- 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/diagnose_ex.h>
+#include <tools/stream.hxx>
+#include <sal/log.hxx>
+#include <vcl/vectorgraphicdata.hxx>
+#include <comphelper/processfactory.hxx>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/graphic/PdfTools.hpp>
+#include <com/sun/star/graphic/SvgTools.hpp>
+#include <com/sun/star/graphic/EmfTools.hpp>
+#include <com/sun/star/graphic/Primitive2DTools.hpp>
+#include <com/sun/star/rendering/XIntegerReadOnlyBitmap.hpp>
+#include <com/sun/star/util/XAccounting.hpp>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include <vcl/canvastools.hxx>
+#include <comphelper/seqstream.hxx>
+#include <comphelper/sequence.hxx>
+#include <comphelper/propertysequence.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/outdev.hxx>
+#include <vcl/wmfexternal.hxx>
+#include <vcl/pdfread.hxx>
+
+using namespace ::com::sun::star;
+
+BitmapEx convertPrimitive2DSequenceToBitmapEx(
+    const std::deque< css::uno::Reference< css::graphic::XPrimitive2D > >& rSequence,
+    const basegfx::B2DRange& rTargetRange,
+    const sal_uInt32 nMaximumQuadraticPixels)
+{
+    BitmapEx aRetval;
+
+    if(!rSequence.empty())
+    {
+        // create replacement graphic from maSequence
+        // create XPrimitive2DRenderer
+        try
+        {
+            uno::Reference< uno::XComponentContext > xContext(::comphelper::getProcessComponentContext());
+            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), MapMode(MapUnit::MapInch)));
+
+            const uno::Reference< rendering::XBitmap > xBitmap(
+                xPrimitive2DRenderer->rasterize(
+                    comphelper::containerToSequence(rSequence),
+                    aViewParameters,
+                    aDPI.getWidth(),
+                    aDPI.getHeight(),
+                    aRealRect,
+                    nMaximumQuadraticPixels));
+
+            if(xBitmap.is())
+            {
+                const uno::Reference< rendering::XIntegerReadOnlyBitmap> xIntBmp(xBitmap, uno::UNO_QUERY_THROW);
+                aRetval = vcl::unotools::bitmapExFromXBitmap(xIntBmp);
+            }
+        }
+        catch (const uno::Exception&)
+        {
+            TOOLS_WARN_EXCEPTION("vcl", "Got no graphic::XPrimitive2DRenderer!");
+        }
+        catch (const std::exception& e)
+        {
+            SAL_WARN("vcl", "Got no graphic::XPrimitive2DRenderer! : " << e.what());
+        }
+    }
+
+    return aRetval;
+}
+
+static size_t estimateSize(
+    std::deque<uno::Reference<graphic::XPrimitive2D>> const& rSequence)
+{
+    size_t nRet(0);
+    for (auto& it : rSequence)
+    {
+        uno::Reference<util::XAccounting> const xAcc(it, uno::UNO_QUERY);
+        assert(xAcc.is()); // we expect only BasePrimitive2D from SVG parser
+        nRet += xAcc->estimateUsage();
+    }
+    return nRet;
+}
+
+bool VectorGraphicData::operator==(const VectorGraphicData& rCandidate) const
+{
+    if (getVectorGraphicDataType() == rCandidate.getVectorGraphicDataType())
+    {
+        if (getVectorGraphicDataArrayLength() == rCandidate.getVectorGraphicDataArrayLength())
+        {
+            if (0 == memcmp(
+                getVectorGraphicDataArray().getConstArray(),
+                rCandidate.getVectorGraphicDataArray().getConstArray(),
+                getVectorGraphicDataArrayLength()))
+            {
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+void VectorGraphicData::setWmfExternalHeader(const WmfExternal& aExtHeader)
+{
+    if (!mpExternalHeader)
+    {
+        mpExternalHeader.reset( new WmfExternal );
+    }
+
+    *mpExternalHeader = aExtHeader;
+}
+
+void VectorGraphicData::ensurePdfReplacement()
+{
+    assert(getVectorGraphicDataType() == VectorGraphicDataType::Pdf);
+
+    if (!maReplacement.IsEmpty())
+        return; // nothing to do
+
+    // use PDFium directly
+    std::vector<Bitmap> aBitmaps;
+    sal_Int32 nUsePageIndex = 0;
+    if (mnPageIndex >= 0)
+        nUsePageIndex = mnPageIndex;
+    vcl::RenderPDFBitmaps(maVectorGraphicDataArray.getConstArray(),
+                          maVectorGraphicDataArray.getLength(), aBitmaps, nUsePageIndex, 1,
+                          &maSizeHint);
+    if (!aBitmaps.empty())
+        maReplacement = aBitmaps[0];
+}
+
+void VectorGraphicData::ensureReplacement()
+{
+    if (!maReplacement.IsEmpty())
+        return; // nothing to do
+
+    // shortcut for PDF - PDFium can generate the replacement bitmap for us
+    // directly
+    if (getVectorGraphicDataType() == VectorGraphicDataType::Pdf)
+    {
+        ensurePdfReplacement();
+        return;
+    }
+
+    ensureSequenceAndRange();
+
+    if (!maSequence.empty())
+    {
+        maReplacement = convertPrimitive2DSequenceToBitmapEx(maSequence, getRange());
+    }
+}
+
+void VectorGraphicData::ensureSequenceAndRange()
+{
+    if (!mbSequenceCreated && maVectorGraphicDataArray.hasElements())
+    {
+        // import SVG to maSequence, also set maRange
+        maRange.reset();
+
+        // create Vector Graphic Data interpreter
+        uno::Reference<uno::XComponentContext> xContext(::comphelper::getProcessComponentContext());
+
+        switch (getVectorGraphicDataType())
+        {
+            case VectorGraphicDataType::Svg:
+            {
+                const uno::Reference< graphic::XSvgParser > xSvgParser = graphic::SvgTools::create(xContext);
+                const uno::Reference< io::XInputStream > myInputStream(new comphelper::SequenceInputStream(maVectorGraphicDataArray));
+
+                if (myInputStream.is())
+                    maSequence = comphelper::sequenceToContainer<std::deque<css::uno::Reference< css::graphic::XPrimitive2D >>>(xSvgParser->getDecomposition(myInputStream, maPath));
+
+                break;
+            }
+            case VectorGraphicDataType::Emf:
+            case VectorGraphicDataType::Wmf:
+            {
+                const uno::Reference< graphic::XEmfParser > xEmfParser = graphic::EmfTools::create(xContext);
+                const uno::Reference< io::XInputStream > myInputStream(new comphelper::SequenceInputStream(maVectorGraphicDataArray));
+                uno::Sequence< ::beans::PropertyValue > aSequence;
+
+                if (mpExternalHeader)
+                {
+                    aSequence = mpExternalHeader->getSequence();
+                }
+
+                if (myInputStream.is())
+                {
+                    // Pass the size hint of the graphic to the EMF parser.
+                    geometry::RealPoint2D aSizeHint;
+                    aSizeHint.X = maSizeHint.getX();
+                    aSizeHint.Y = maSizeHint.getY();
+                    xEmfParser->setSizeHint(aSizeHint);
+
+                    maSequence = comphelper::sequenceToContainer<std::deque<css::uno::Reference< css::graphic::XPrimitive2D >>>(xEmfParser->getDecomposition(myInputStream, maPath, aSequence));
+                }
+
+                break;
+            }
+            case VectorGraphicDataType::Pdf:
+            {
+                const uno::Reference<graphic::XPdfDecomposer> xPdfDecomposer = graphic::PdfTools::create(xContext);
+                uno::Sequence<beans::PropertyValue> aDecompositionParameters = comphelper::InitPropertySequence({
+                    {"PageIndex", uno::makeAny<sal_Int32>(mnPageIndex)},
+                });
+                auto xPrimitive2D = xPdfDecomposer->getDecomposition(maVectorGraphicDataArray, aDecompositionParameters);
+                maSequence = comphelper::sequenceToContainer<std::deque<uno::Reference<graphic::XPrimitive2D>>>(xPrimitive2D);
+
+                break;
+            }
+        }
+
+        if(!maSequence.empty())
+        {
+            const sal_Int32 nCount(maSequence.size());
+            geometry::RealRectangle2D aRealRect;
+            uno::Sequence< beans::PropertyValue > aViewParameters;
+
+            for(sal_Int32 a(0); a < nCount; a++)
+            {
+                // get reference
+                const css::uno::Reference< css::graphic::XPrimitive2D > xReference(maSequence[a]);
+
+                if(xReference.is())
+                {
+                    aRealRect = xReference->getRange(aViewParameters);
+
+                    maRange.expand(
+                        basegfx::B2DRange(
+                            aRealRect.X1,
+                            aRealRect.Y1,
+                            aRealRect.X2,
+                            aRealRect.Y2));
+                }
+            }
+        }
+        mNestedBitmapSize = estimateSize(maSequence);
+        mbSequenceCreated = true;
+    }
+}
+
+auto VectorGraphicData::getSizeBytes() const -> std::pair<State, size_t>
+{
+    if (maSequence.empty() && maVectorGraphicDataArray.hasElements())
+    {
+        return std::make_pair(State::UNPARSED, maVectorGraphicDataArray.getLength());
+    }
+    else
+    {
+        return std::make_pair(State::PARSED, maVectorGraphicDataArray.getLength() + mNestedBitmapSize);
+    }
+}
+
+VectorGraphicData::VectorGraphicData(
+    const VectorGraphicDataArray& rVectorGraphicDataArray,
+    const OUString& rPath,
+    VectorGraphicDataType eVectorDataType,
+    sal_Int32 nPageIndex)
+:   maVectorGraphicDataArray(rVectorGraphicDataArray),
+    maPath(rPath),
+    mbSequenceCreated(false),
+    maRange(),
+    maSequence(),
+    maReplacement(),
+    mNestedBitmapSize(0),
+    meVectorGraphicDataType(eVectorDataType),
+    mnPageIndex(nPageIndex)
+{
+}
+
+VectorGraphicData::VectorGraphicData(
+    const OUString& rPath,
+    VectorGraphicDataType eVectorDataType)
+:   maVectorGraphicDataArray(),
+    maPath(rPath),
+    mbSequenceCreated(false),
+    maRange(),
+    maSequence(),
+    maReplacement(),
+    mNestedBitmapSize(0),
+    meVectorGraphicDataType(eVectorDataType),
+    mnPageIndex(-1)
+{
+    SvFileStream rIStm(rPath, StreamMode::STD_READ);
+    if(rIStm.GetError())
+        return;
+    const sal_uInt32 nStmLen(rIStm.remainingSize());
+    if (nStmLen)
+    {
+        maVectorGraphicDataArray.realloc(nStmLen);
+        rIStm.ReadBytes(maVectorGraphicDataArray.begin(), nStmLen);
+
+        if (rIStm.GetError())
+        {
+            maVectorGraphicDataArray = VectorGraphicDataArray();
+        }
+    }
+}
+
+VectorGraphicData::~VectorGraphicData()
+{
+}
+
+const basegfx::B2DRange& VectorGraphicData::getRange() const
+{
+    const_cast< VectorGraphicData* >(this)->ensureSequenceAndRange();
+
+    return maRange;
+}
+
+const std::deque< css::uno::Reference< css::graphic::XPrimitive2D > >& VectorGraphicData::getPrimitive2DSequence() const
+{
+    const_cast< VectorGraphicData* >(this)->ensureSequenceAndRange();
+
+    return maSequence;
+}
+
+const BitmapEx& VectorGraphicData::getReplacement() const
+{
+    const_cast< VectorGraphicData* >(this)->ensureReplacement();
+
+    return maReplacement;
+}
+
+BitmapChecksum VectorGraphicData::GetChecksum() const
+{
+    return vcl_get_checksum(0, maVectorGraphicDataArray.getConstArray(), maVectorGraphicDataArray.getLength());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */