Adding upstream version 4:24.2.0.upstream/4%24.2.0

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

1 files changed, 362 insertions, 0 deletions

diff --git a/svx/source/svdraw/svdlayer.cxx b/svx/source/svdraw/svdlayer.cxx
new file mode 100644
index 0000000000..74d5222f92
--- /dev/null
+++ b/svx/source/svdraw/svdlayer.cxx
@@ -0,0 +1,362 @@
+/* -*- 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 <com/sun/star/uno/Sequence.hxx>
+
+#include <svx/svdlayer.hxx>
+#include <svx/svdmodel.hxx>
+
+#include <algorithm>
+#include <utility>
+
+bool SdrLayerIDSet::IsEmpty() const
+{
+    for(sal_uInt8 i : m_aData)
+    {
+        if(i != 0)
+            return false;
+    }
+
+    return true;
+}
+
+void SdrLayerIDSet::operator&=(const SdrLayerIDSet& r2ndSet)
+{
+    for(sal_uInt16 i(0); i < 32; i++)
+    {
+        m_aData[i] &= r2ndSet.m_aData[i];
+    }
+}
+
+/** initialize this set with a UNO sequence of sal_Int8 (e.g. as stored in settings.xml)
+*/
+void SdrLayerIDSet::PutValue( const css::uno::Any & rAny )
+{
+    css::uno::Sequence< sal_Int8 > aSeq;
+    if( !(rAny >>= aSeq) )
+        return;
+
+    sal_Int16 nCount = static_cast<sal_Int16>(aSeq.getLength());
+    if( nCount > 32 )
+        nCount = 32;
+
+    sal_Int16 nIndex;
+    for( nIndex = 0; nIndex < nCount; nIndex++ )
+    {
+        m_aData[nIndex] = static_cast<sal_uInt8>(aSeq[nIndex]);
+    }
+
+    for( ; nIndex < 32; nIndex++ )
+    {
+        m_aData[nIndex] = 0;
+    }
+}
+
+SdrLayer::SdrLayer(SdrLayerID nNewID, OUString aNewName) :
+    maName(std::move(aNewName)), pModel(nullptr), nID(nNewID)
+{
+    // ODF default values
+    mbVisibleODF = true;
+    mbPrintableODF = true;
+    mbLockedODF = false;
+}
+
+void SdrLayer::SetName(const OUString& rNewName)
+{
+    if (rNewName == maName)
+        return;
+
+    maName = rNewName;
+
+    if (pModel)
+    {
+        SdrHint aHint(SdrHintKind::LayerChange);
+        pModel->Broadcast(aHint);
+        pModel->SetChanged();
+    }
+}
+
+bool SdrLayer::operator==(const SdrLayer& rCmpLayer) const
+{
+    return (nID == rCmpLayer.nID
+        && maName == rCmpLayer.maName);
+}
+
+SdrLayerAdmin::SdrLayerAdmin(SdrLayerAdmin* pNewParent):
+    pParent(pNewParent),
+    pModel(nullptr),
+    maControlLayerName("controls")
+{
+}
+
+SdrLayerAdmin::SdrLayerAdmin(const SdrLayerAdmin& rSrcLayerAdmin):
+    pParent(nullptr),
+    pModel(nullptr),
+    maControlLayerName("controls")
+{
+    *this = rSrcLayerAdmin;
+}
+
+SdrLayerAdmin::~SdrLayerAdmin()
+{
+}
+
+void SdrLayerAdmin::ClearLayers()
+{
+    maLayers.clear();
+}
+
+SdrLayerAdmin& SdrLayerAdmin::operator=(const SdrLayerAdmin& rSrcLayerAdmin)
+{
+    if (this != &rSrcLayerAdmin)
+    {
+        maLayers.clear();
+        pParent=rSrcLayerAdmin.pParent;
+        sal_uInt16 i;
+        sal_uInt16 nCount=rSrcLayerAdmin.GetLayerCount();
+        for (i=0; i<nCount; i++) {
+            maLayers.emplace_back(new SdrLayer(*rSrcLayerAdmin.GetLayer(i)));
+        }
+    }
+    return *this;
+}
+
+void SdrLayerAdmin::SetModel(SdrModel* pNewModelel)
+{
+    if (pNewModelel!=pModel) {
+        pModel=pNewModelel;
+        sal_uInt16 nCount=GetLayerCount();
+        sal_uInt16 i;
+        for (i=0; i<nCount; i++) {
+            GetLayer(i)->SetModel(pNewModelel);
+        }
+    }
+}
+
+void SdrLayerAdmin::Broadcast() const
+{
+    if (pModel!=nullptr) {
+        SdrHint aHint(SdrHintKind::LayerOrderChange);
+        pModel->Broadcast(aHint);
+        pModel->SetChanged();
+    }
+}
+
+void SdrLayerAdmin::InsertLayer(std::unique_ptr<SdrLayer> pLayer, sal_uInt16 nPos)
+{
+        pLayer->SetModel(pModel);
+        if(nPos==0xFFFF)
+            maLayers.push_back(std::move(pLayer));
+        else
+            maLayers.insert(maLayers.begin() + nPos, std::move(pLayer));
+        Broadcast();
+}
+
+std::unique_ptr<SdrLayer> SdrLayerAdmin::RemoveLayer(sal_uInt16 nPos)
+{
+    std::unique_ptr<SdrLayer> pRetLayer = std::move(maLayers[nPos]);
+    maLayers.erase(maLayers.begin()+nPos);
+    Broadcast();
+    return pRetLayer;
+}
+
+SdrLayer* SdrLayerAdmin::NewLayer(const OUString& rName, sal_uInt16 nPos)
+{
+    SdrLayerID nID=GetUniqueLayerID();
+    SdrLayer* pLay=new SdrLayer(nID,rName);
+    pLay->SetModel(pModel);
+    if(nPos==0xFFFF)
+        maLayers.push_back(std::unique_ptr<SdrLayer>(pLay));
+    else
+        maLayers.insert(maLayers.begin() + nPos, std::unique_ptr<SdrLayer>(pLay));
+    Broadcast();
+    return pLay;
+}
+
+sal_uInt16 SdrLayerAdmin::GetLayerPos(const SdrLayer* pLayer) const
+{
+    sal_uInt16 nRet=SDRLAYERPOS_NOTFOUND;
+    if (pLayer!=nullptr) {
+        auto it = std::find_if(maLayers.begin(), maLayers.end(),
+                    [&](const std::unique_ptr<SdrLayer> & p) { return p.get() == pLayer; });
+        if (it!=maLayers.end()) {
+            nRet=it - maLayers.begin();
+        }
+    }
+    return nRet;
+}
+
+SdrLayer* SdrLayerAdmin::GetLayer(const OUString& rName)
+{
+    return const_cast<SdrLayer*>(const_cast<const SdrLayerAdmin*>(this)->GetLayer(rName));
+}
+
+const SdrLayer* SdrLayerAdmin::GetLayer(const OUString& rName) const
+{
+    sal_uInt16 i(0);
+    const SdrLayer* pLay = nullptr;
+
+    while(i < GetLayerCount() && !pLay)
+    {
+        if (rName == GetLayer(i)->GetName())
+            pLay = GetLayer(i);
+        else
+            i++;
+    }
+
+    if(!pLay && pParent)
+    {
+        pLay = pParent->GetLayer(rName);
+    }
+
+    return pLay;
+}
+
+SdrLayerID SdrLayerAdmin::GetLayerID(const OUString& rName) const
+{
+    SdrLayerID nRet=SDRLAYER_NOTFOUND;
+    const SdrLayer* pLay=GetLayer(rName);
+    if (pLay!=nullptr) nRet=pLay->GetID();
+    return nRet;
+}
+
+const SdrLayer* SdrLayerAdmin::GetLayerPerID(SdrLayerID nID) const
+{
+    for (auto const & pLayer : maLayers)
+        if (pLayer->GetID() == nID)
+            return pLayer.get();
+    return nullptr;
+}
+
+// Global LayerIDs begin at 0 and increase,
+// local LayerIDs begin at 254 and decrease;
+// 255 is reserved for SDRLAYER_NOTFOUND.
+
+SdrLayerID SdrLayerAdmin::GetUniqueLayerID() const
+{
+    SdrLayerIDSet aSet;
+    for (sal_uInt16 j=0; j<GetLayerCount(); j++)
+    {
+        aSet.Set(GetLayer(j)->GetID());
+    }
+    sal_uInt8 i;
+    if (pParent != nullptr)
+    {
+        i = 254;
+        while (i && aSet.IsSet(SdrLayerID(i)))
+            --i;
+        assert(i != 0);
+        if (i == 0)
+            i = 254;
+    }
+    else
+    {
+        i = 0;
+        while (i<=254 && aSet.IsSet(SdrLayerID(i)))
+            i++;
+        assert(i <= 254);
+        if (i>254)
+            i = 0;
+    }
+    return SdrLayerID(i);
+}
+
+void SdrLayerAdmin::SetControlLayerName(const OUString& rNewName)
+{
+    maControlLayerName = rNewName;
+}
+
+void  SdrLayerAdmin::getVisibleLayersODF( SdrLayerIDSet& rOutSet) const
+{
+    rOutSet.ClearAll();
+    for( auto & pCurrentLayer : maLayers )
+    {
+        if ( pCurrentLayer->IsVisibleODF() )
+            rOutSet.Set( pCurrentLayer->GetID() );
+    }
+}
+
+void SdrLayerAdmin::getPrintableLayersODF( SdrLayerIDSet& rOutSet) const
+{
+    rOutSet.ClearAll();
+    for( auto & pCurrentLayer : maLayers )
+    {
+        if ( pCurrentLayer->IsPrintableODF() )
+            rOutSet.Set( pCurrentLayer->GetID() );
+    }
+}
+
+void SdrLayerAdmin::getLockedLayersODF( SdrLayerIDSet& rOutSet) const
+{
+    rOutSet.ClearAll();
+    for( auto& pCurrentLayer : maLayers )
+    {
+        if ( pCurrentLayer->IsLockedODF() )
+            rOutSet.Set( pCurrentLayer->GetID() );
+    }
+}
+
+    // Generates a bitfield for settings.xml from the SdrLayerIDSet.
+    // Output is a UNO sequence of BYTE (which is 'short' in API).
+void SdrLayerAdmin::QueryValue(const SdrLayerIDSet& rViewLayerSet, css::uno::Any& rAny)
+{
+    // tdf#119392 The SdrLayerIDSet in a view is ordered according LayerID, but in file
+    // the bitfield is interpreted in order of layers in <draw:layer-set>.
+    // First generate a new bitfield based on rViewLayerSet in the needed order.
+    sal_uInt8 aTmp[32]; // 256 bits in settings.xml makes byte 0 to 31
+    for (auto nIndex = 0; nIndex <32; nIndex++)
+    {
+        aTmp[nIndex] = 0;
+    }
+    sal_uInt8 nByteIndex = 0;
+    sal_uInt8 nBitpos = 0;
+    sal_uInt16 nLayerPos = 0; // Position of the layer in member aLayer and in <draw:layer-set> in file
+    sal_uInt16 nLayerIndex = 0;
+    for( const auto& pCurrentLayer : maLayers )
+    {
+        SdrLayerID nCurrentID = pCurrentLayer->GetID();
+        if ( rViewLayerSet.IsSet(nCurrentID) )
+        {
+            nLayerPos = nLayerIndex;
+            nByteIndex = nLayerPos / 8;
+            if (nByteIndex > 31)
+                continue; // skip position, if too large for bitfield
+            nBitpos = nLayerPos % 8;
+            aTmp[nByteIndex] |= (1 << nBitpos);
+        }
+        ++nLayerIndex;
+    }
+
+    // Second transform the bitfield to byte sequence, same as in previous version of QueryValue
+    sal_uInt8 nNumBytesSet = 0;
+    for( auto nIndex = 31; nIndex >= 0; nIndex--)
+    {
+        if( 0 != aTmp[nIndex] )
+        {
+            nNumBytesSet = nIndex + 1;
+            break;
+        }
+    }
+    css::uno::Sequence< sal_Int8 > aSeq( nNumBytesSet );
+    std::transform(aTmp, aTmp + nNumBytesSet, aSeq.getArray(),
+                   [](const sal_uInt8 b) { return static_cast<sal_Int8>(b); });
+    rAny <<= aSeq;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */