Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 564 insertions, 0 deletions

diff --git a/vcl/source/gdi/graph.cxx b/vcl/source/gdi/graph.cxx
new file mode 100644
index 000000000..c56ddb720
--- /dev/null
+++ b/vcl/source/gdi/graph.cxx
@@ -0,0 +1,564 @@
+/* -*- 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/fract.hxx>
+#include <vcl/outdev.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/graph.hxx>
+#include <vcl/image.hxx>
+#include <impgraph.hxx>
+#include <com/sun/star/graphic/XGraphic.hpp>
+#include <comphelper/servicehelper.hxx>
+#include <graphic/UnoGraphic.hxx>
+#include <vcl/GraphicExternalLink.hxx>
+
+using namespace ::com::sun::star;
+
+namespace
+{
+
+void ImplDrawDefault(OutputDevice& rOutDev, const OUString* pText,
+                     vcl::Font* pFont, const BitmapEx* pBitmapEx,
+                     const Point& rDestPt, const Size& rDestSize)
+{
+    sal_uInt16  nPixel = static_cast<sal_uInt16>(rOutDev.PixelToLogic( Size( 1, 1 ) ).Width());
+    sal_uInt16  nPixelWidth = nPixel;
+    Point       aPoint( rDestPt.X() + nPixelWidth, rDestPt.Y() + nPixelWidth );
+    Size        aSize( rDestSize.Width() - ( nPixelWidth << 1 ), rDestSize.Height() - ( nPixelWidth << 1 ) );
+    bool        bFilled = ( pBitmapEx != nullptr || pFont != nullptr );
+    tools::Rectangle   aBorderRect( aPoint, aSize );
+
+    rOutDev.Push();
+
+    rOutDev.SetFillColor();
+
+    // On the printer a black rectangle and on the screen one with 3D effect
+    rOutDev.DrawBorder(aBorderRect);
+
+    aPoint.AdjustX(nPixelWidth + 2*nPixel );
+    aPoint.AdjustY(nPixelWidth + 2*nPixel );
+    aSize.AdjustWidth( -(2*nPixelWidth + 4*nPixel) );
+    aSize.AdjustHeight( -(2*nPixelWidth + 4*nPixel) );
+
+    if( !aSize.IsEmpty() && pBitmapEx && !pBitmapEx->IsEmpty() )
+    {
+        Size aBitmapSize( rOutDev.PixelToLogic( pBitmapEx->GetSizePixel() ) );
+
+        if( aSize.Height() > aBitmapSize.Height() && aSize.Width() > aBitmapSize.Width() )
+        {
+            rOutDev.DrawBitmapEx( aPoint, *pBitmapEx );
+            aPoint.AdjustX(aBitmapSize.Width() + 2*nPixel );
+            aSize.AdjustWidth( -(aBitmapSize.Width() + 2*nPixel) );
+        }
+    }
+
+    if ( !aSize.IsEmpty() && pFont && pText && pText->getLength() && rOutDev.IsOutputEnabled() )
+    {
+        MapMode aMapMode( MapUnit::MapPoint );
+        Size aSz = rOutDev.LogicToLogic( Size( 0, 12 ), &aMapMode, nullptr );
+        tools::Long    nThreshold = aSz.Height() / 2;
+        tools::Long    nStep = nThreshold / 3;
+
+        if ( !nStep )
+            nStep = aSz.Height() - nThreshold;
+
+        for(;; aSz.AdjustHeight( -nStep ) )
+        {
+            pFont->SetFontSize( aSz );
+            rOutDev.SetFont( *pFont );
+
+            tools::Long nTextHeight = rOutDev.GetTextHeight();
+            tools::Long nTextWidth = rOutDev.GetTextWidth( *pText );
+            if ( nTextHeight )
+            {
+                // The approximation does not respect imprecisions caused
+                // by word wraps
+                tools::Long nLines = aSize.Height() / nTextHeight;
+                tools::Long nWidth = aSize.Width() * nLines; // Approximation!!!
+
+                if ( nTextWidth <= nWidth || aSz.Height() <= nThreshold )
+                {
+                    sal_Int32 nStart = 0;
+                    sal_Int32 nLen = 0;
+
+                    while( nStart < pText->getLength() && (*pText)[nStart] == ' ' )
+                        nStart++;
+                    while( nStart+nLen < pText->getLength() && (*pText)[nStart+nLen] != ' ' )
+                        nLen++;
+                    while( nStart < pText->getLength() && nLines-- )
+                    {
+                        sal_Int32 nNext = nLen;
+                        do
+                        {
+                            while ( nStart+nNext < pText->getLength() && (*pText)[nStart+nNext] == ' ' )
+                                nNext++;
+                            while ( nStart+nNext < pText->getLength() && (*pText)[nStart+nNext] != ' ' )
+                                nNext++;
+                            nTextWidth = rOutDev.GetTextWidth( *pText, nStart, nNext );
+                            if ( nTextWidth > aSize.Width() )
+                                break;
+                            nLen = nNext;
+                        }
+                        while ( nStart+nNext < pText->getLength() );
+
+                        sal_Int32 n = nLen;
+                        nTextWidth = rOutDev.GetTextWidth( *pText, nStart, n );
+                        while( nTextWidth > aSize.Width() )
+                            nTextWidth = rOutDev.GetTextWidth( *pText, nStart, --n );
+                        rOutDev.DrawText( aPoint, *pText, nStart, n );
+
+                        aPoint.AdjustY(nTextHeight );
+                        nStart      = sal::static_int_cast<sal_uInt16>(nStart + nLen);
+                        nLen        = nNext-nLen;
+                        while( nStart < pText->getLength() && (*pText)[nStart] == ' ' )
+                        {
+                            nStart++;
+                            nLen--;
+                        }
+                    }
+                    break;
+                }
+            }
+            else
+                break;
+        }
+    }
+
+    // If the default graphic does not have content, we draw a red rectangle
+    if( !bFilled )
+    {
+        aBorderRect.AdjustLeft( 1 );
+        aBorderRect.AdjustTop( 1 );
+        aBorderRect.AdjustRight( -1 );
+        aBorderRect.AdjustBottom( -1 );
+
+        rOutDev.SetLineColor( COL_LIGHTRED );
+        rOutDev.DrawLine( aBorderRect.TopLeft(), aBorderRect.BottomRight() );
+        rOutDev.DrawLine( aBorderRect.TopRight(), aBorderRect.BottomLeft() );
+    }
+
+    rOutDev.Pop();
+}
+
+} // end anonymous namespace
+
+Graphic::Graphic()
+    : mxImpGraphic(vcl::graphic::Manager::get().newInstance())
+{
+}
+
+Graphic::Graphic(const Graphic& rGraphic)
+{
+    if( rGraphic.IsAnimated() )
+        mxImpGraphic = vcl::graphic::Manager::get().copy(rGraphic.mxImpGraphic);
+    else
+        mxImpGraphic = rGraphic.mxImpGraphic;
+}
+
+Graphic::Graphic(Graphic&& rGraphic) noexcept
+    : mxImpGraphic(std::move(rGraphic.mxImpGraphic))
+{
+}
+
+Graphic::Graphic(std::shared_ptr<GfxLink> const & rGfxLink, sal_Int32 nPageIndex)
+    : mxImpGraphic(vcl::graphic::Manager::get().newInstance(rGfxLink, nPageIndex))
+{
+}
+
+Graphic::Graphic(GraphicExternalLink const & rGraphicExternalLink)
+    : mxImpGraphic(vcl::graphic::Manager::get().newInstance(rGraphicExternalLink))
+{
+}
+
+Graphic::Graphic(const BitmapEx& rBmpEx)
+    : mxImpGraphic(vcl::graphic::Manager::get().newInstance(rBmpEx))
+{
+}
+
+// We use XGraphic for passing toolbar images across app UNO aps
+// and we need to be able to see and preserve 'stock' images too.
+Graphic::Graphic(const Image& rImage)
+    // FIXME: should really defer the BitmapEx load.
+    : mxImpGraphic(std::make_shared<ImpGraphic>(rImage.GetBitmapEx()))
+{
+    OUString aStock = rImage.GetStock();
+    if (aStock.getLength())
+        mxImpGraphic->setOriginURL("private:graphicrepository/" + aStock);
+}
+
+Graphic::Graphic(const std::shared_ptr<VectorGraphicData>& rVectorGraphicDataPtr)
+    : mxImpGraphic(vcl::graphic::Manager::get().newInstance(rVectorGraphicDataPtr))
+{
+}
+
+Graphic::Graphic(const Animation& rAnimation)
+    : mxImpGraphic(vcl::graphic::Manager::get().newInstance(rAnimation))
+{
+}
+
+Graphic::Graphic(const GDIMetaFile& rMtf)
+    : mxImpGraphic(vcl::graphic::Manager::get().newInstance(rMtf))
+{
+}
+
+Graphic::Graphic( const css::uno::Reference< css::graphic::XGraphic >& rxGraphic )
+{
+    const ::Graphic* pGraphic = comphelper::getFromUnoTunnel<::Graphic>(rxGraphic);
+
+    if( pGraphic )
+    {
+        if (pGraphic->IsAnimated())
+            mxImpGraphic = vcl::graphic::Manager::get().copy(pGraphic->mxImpGraphic);
+        else
+            mxImpGraphic = pGraphic->mxImpGraphic;
+    }
+    else
+        mxImpGraphic = vcl::graphic::Manager::get().newInstance();
+}
+
+void Graphic::ImplTestRefCount()
+{
+    if (mxImpGraphic.use_count() > 1)
+    {
+        mxImpGraphic = vcl::graphic::Manager::get().copy(mxImpGraphic);
+    }
+}
+
+bool Graphic::isAvailable() const
+{
+    return mxImpGraphic->isAvailable();
+}
+
+bool Graphic::makeAvailable()
+{
+    return mxImpGraphic->makeAvailable();
+}
+
+Graphic& Graphic::operator=( const Graphic& rGraphic )
+{
+    if( &rGraphic != this )
+    {
+        if( rGraphic.IsAnimated() )
+            mxImpGraphic = vcl::graphic::Manager::get().copy(rGraphic.mxImpGraphic);
+        else
+            mxImpGraphic = rGraphic.mxImpGraphic;
+    }
+
+    return *this;
+}
+
+Graphic& Graphic::operator=(Graphic&& rGraphic) noexcept
+{
+    mxImpGraphic = std::move(rGraphic.mxImpGraphic);
+    return *this;
+}
+
+bool Graphic::operator==( const Graphic& rGraphic ) const
+{
+    return (*mxImpGraphic == *rGraphic.mxImpGraphic);
+}
+
+bool Graphic::operator!=( const Graphic& rGraphic ) const
+{
+    return (*mxImpGraphic != *rGraphic.mxImpGraphic);
+}
+
+bool Graphic::IsNone() const
+{
+    return GraphicType::NONE == mxImpGraphic->getType();
+}
+
+void Graphic::Clear()
+{
+    ImplTestRefCount();
+    mxImpGraphic->clear();
+}
+
+GraphicType Graphic::GetType() const
+{
+    return mxImpGraphic->getType();
+}
+
+void Graphic::SetDefaultType()
+{
+    ImplTestRefCount();
+    mxImpGraphic->setDefaultType();
+}
+
+bool Graphic::IsSupportedGraphic() const
+{
+    return mxImpGraphic->isSupportedGraphic();
+}
+
+bool Graphic::IsTransparent() const
+{
+    return mxImpGraphic->isTransparent();
+}
+
+bool Graphic::IsAlpha() const
+{
+    return mxImpGraphic->isAlpha();
+}
+
+bool Graphic::IsAnimated() const
+{
+    return mxImpGraphic->isAnimated();
+}
+
+bool Graphic::IsEPS() const
+{
+    return mxImpGraphic->isEPS();
+}
+
+BitmapEx Graphic::GetBitmapEx(const GraphicConversionParameters& rParameters) const
+{
+    return mxImpGraphic->getBitmapEx(rParameters);
+}
+
+Animation Graphic::GetAnimation() const
+{
+    return mxImpGraphic->getAnimation();
+}
+
+const GDIMetaFile& Graphic::GetGDIMetaFile() const
+{
+    return mxImpGraphic->getGDIMetaFile();
+}
+
+const BitmapEx& Graphic::GetBitmapExRef() const
+{
+    return mxImpGraphic->getBitmapExRef();
+}
+
+uno::Reference<css::graphic::XGraphic> Graphic::GetXGraphic() const
+{
+    uno::Reference<css::graphic::XGraphic> xGraphic;
+
+    if (GetType() != GraphicType::NONE)
+    {
+        rtl::Reference<unographic::Graphic> pUnoGraphic = new unographic::Graphic;
+        pUnoGraphic->init(*this);
+        xGraphic = pUnoGraphic;
+    }
+
+    return xGraphic;
+}
+
+Size Graphic::GetPrefSize() const
+{
+    return mxImpGraphic->getPrefSize();
+}
+
+void Graphic::SetPrefSize( const Size& rPrefSize )
+{
+    ImplTestRefCount();
+    mxImpGraphic->setPrefSize( rPrefSize );
+}
+
+MapMode Graphic::GetPrefMapMode() const
+{
+    return mxImpGraphic->getPrefMapMode();
+}
+
+void Graphic::SetPrefMapMode( const MapMode& rPrefMapMode )
+{
+    ImplTestRefCount();
+    mxImpGraphic->setPrefMapMode( rPrefMapMode );
+}
+
+basegfx::B2DSize Graphic::GetPPI() const
+{
+    double nGrfDPIx;
+    double nGrfDPIy;
+
+    const MapMode aGrfMap(GetPrefMapMode());
+    const Size aGrfPixelSize(GetSizePixel());
+    const Size aGrfPrefMapModeSize(GetPrefSize());
+    if (aGrfMap.GetMapUnit() == MapUnit::MapInch)
+    {
+        nGrfDPIx = aGrfPixelSize.Width() / ( static_cast<double>(aGrfMap.GetScaleX()) * aGrfPrefMapModeSize.Width() );
+        nGrfDPIy = aGrfPixelSize.Height() / ( static_cast<double>(aGrfMap.GetScaleY()) * aGrfPrefMapModeSize.Height() );
+    }
+    else
+    {
+        const Size aGrf1000thInchSize = OutputDevice::LogicToLogic(
+                aGrfPrefMapModeSize, aGrfMap, MapMode(MapUnit::Map1000thInch));
+        nGrfDPIx = aGrf1000thInchSize.Width() == 0
+            ? 0.0 : 1000.0 * aGrfPixelSize.Width() / aGrf1000thInchSize.Width();
+        nGrfDPIy = aGrf1000thInchSize.Height() == 0
+            ? 0.0 : 1000.0 * aGrfPixelSize.Height() / aGrf1000thInchSize.Height();
+    }
+
+    return basegfx::B2DSize(nGrfDPIx, nGrfDPIy);
+}
+
+Size Graphic::GetSizePixel( const OutputDevice* pRefDevice ) const
+{
+    Size aRet;
+
+    if( GraphicType::Bitmap == mxImpGraphic->getType() )
+        aRet = mxImpGraphic->getSizePixel();
+    else
+        aRet = ( pRefDevice ? pRefDevice : Application::GetDefaultDevice() )->LogicToPixel( GetPrefSize(), GetPrefMapMode() );
+
+    return aRet;
+}
+
+sal_uLong Graphic::GetSizeBytes() const
+{
+    return mxImpGraphic->getSizeBytes();
+}
+
+void Graphic::Draw(OutputDevice& rOutDev, const Point& rDestPt) const
+{
+    mxImpGraphic->draw(rOutDev, rDestPt);
+}
+
+void Graphic::Draw(OutputDevice& rOutDev, const Point& rDestPt,
+                   const Size& rDestSz) const
+{
+    if( GraphicType::Default == mxImpGraphic->getType() )
+        ImplDrawDefault(rOutDev, nullptr, nullptr, nullptr, rDestPt, rDestSz);
+    else
+        mxImpGraphic->draw(rOutDev, rDestPt, rDestSz);
+}
+
+void Graphic::DrawEx(OutputDevice& rOutDev, const OUString& rText,
+                     vcl::Font& rFont, const BitmapEx& rBitmap,
+                     const Point& rDestPt, const Size& rDestSz)
+{
+    ImplDrawDefault(rOutDev, &rText, &rFont, &rBitmap, rDestPt, rDestSz);
+}
+
+void Graphic::StartAnimation(OutputDevice& rOutDev, const Point& rDestPt,
+                             const Size& rDestSz, tools::Long nExtraData,
+                             OutputDevice* pFirstFrameOutDev)
+{
+    ImplTestRefCount();
+    mxImpGraphic->startAnimation(rOutDev, rDestPt, rDestSz, nExtraData, pFirstFrameOutDev);
+}
+
+void Graphic::StopAnimation( const OutputDevice* pOutDev, tools::Long nExtraData )
+{
+    ImplTestRefCount();
+    mxImpGraphic->stopAnimation( pOutDev, nExtraData );
+}
+
+void Graphic::SetAnimationNotifyHdl( const Link<Animation*,void>& rLink )
+{
+    mxImpGraphic->setAnimationNotifyHdl( rLink );
+}
+
+Link<Animation*,void> Graphic::GetAnimationNotifyHdl() const
+{
+    return mxImpGraphic->getAnimationNotifyHdl();
+}
+
+sal_uInt32 Graphic::GetAnimationLoopCount() const
+{
+    return mxImpGraphic->getAnimationLoopCount();
+}
+
+std::shared_ptr<GraphicReader>& Graphic::GetReaderContext()
+{
+    return mxImpGraphic->getContext();
+}
+
+void Graphic::SetReaderContext( const std::shared_ptr<GraphicReader> &pReader )
+{
+    mxImpGraphic->setContext( pReader );
+}
+
+void Graphic::SetDummyContext( bool value )
+{
+    mxImpGraphic->setDummyContext( value );
+}
+
+bool Graphic::IsDummyContext() const
+{
+    return mxImpGraphic->isDummyContext();
+}
+
+void Graphic::SetGfxLink( const std::shared_ptr<GfxLink>& rGfxLink )
+{
+    ImplTestRefCount();
+    mxImpGraphic->setGfxLink(rGfxLink);
+}
+
+const std::shared_ptr<GfxLink> & Graphic::GetSharedGfxLink() const
+{
+    return mxImpGraphic->getSharedGfxLink();
+}
+
+GfxLink Graphic::GetGfxLink() const
+{
+    return mxImpGraphic->getGfxLink();
+}
+
+bool Graphic::IsGfxLink() const
+{
+    return mxImpGraphic->isGfxLink();
+}
+
+BitmapChecksum Graphic::GetChecksum() const
+{
+    return mxImpGraphic->getChecksum();
+}
+
+const std::shared_ptr<VectorGraphicData>& Graphic::getVectorGraphicData() const
+{
+    return mxImpGraphic->getVectorGraphicData();
+}
+
+sal_Int32 Graphic::getPageNumber() const
+{
+    return mxImpGraphic->getPageNumber();
+}
+
+OUString Graphic::getOriginURL() const
+{
+    if (mxImpGraphic)
+    {
+        return mxImpGraphic->getOriginURL();
+    }
+    return OUString();
+}
+
+void Graphic::setOriginURL(OUString const & rOriginURL)
+{
+    if (mxImpGraphic)
+    {
+        mxImpGraphic->setOriginURL(rOriginURL);
+    }
+}
+
+OString Graphic::getUniqueID() const
+{
+    OString aUniqueString;
+    if (mxImpGraphic)
+        aUniqueString = mxImpGraphic->getUniqueID();
+    return aUniqueString;
+}
+
+const css::uno::Sequence<sal_Int8> & Graphic::getUnoTunnelId() {
+    static const comphelper::UnoIdInit gId;
+    return gId.getSeq();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */