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, 832 insertions, 0 deletions

diff --git a/cui/source/tabpages/grfpage.cxx b/cui/source/tabpages/grfpage.cxx
new file mode 100644
index 0000000000..fac0bfb6ab
--- /dev/null
+++ b/cui/source/tabpages/grfpage.cxx
@@ -0,0 +1,832 @@
+/* -*- 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 <memory>
+#include <svl/eitem.hxx>
+#include <svl/stritem.hxx>
+#include <dialmgr.hxx>
+#include <svx/dlgutil.hxx>
+#include <editeng/sizeitem.hxx>
+#include <editeng/brushitem.hxx>
+#include <grfpage.hxx>
+#include <svx/grfcrop.hxx>
+#include <rtl/ustring.hxx>
+#include <tools/debug.hxx>
+#include <tools/fract.hxx>
+#include <svx/svxids.hrc>
+#include <strings.hrc>
+#include <vcl/fieldvalues.hxx>
+#include <vcl/outdev.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/svapp.hxx>
+#include <svtools/unitconv.hxx>
+#include <svtools/optionsdrawinglayer.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <o3tl/unit_conversion.hxx>
+
+constexpr auto CM_1_TO_TWIP = o3tl::convert(1, o3tl::Length::cm, o3tl::Length::twip); // 567
+
+
+static int lcl_GetValue(const weld::MetricSpinButton& rMetric, FieldUnit eUnit)
+{
+    return rMetric.denormalize(rMetric.get_value(eUnit));
+}
+
+/*--------------------------------------------------------------------
+    description: crop graphic
+ --------------------------------------------------------------------*/
+
+SvxGrfCropPage::SvxGrfCropPage(weld::Container* pPage, weld::DialogController* pController, const SfxItemSet &rSet)
+    : SfxTabPage(pPage, pController, "cui/ui/croppage.ui", "CropPage", &rSet)
+    , m_nOldWidth(0)
+    , m_nOldHeight(0)
+    , m_bSetOrigSize(false)
+    , m_aPreferredDPI(0)
+    , m_xCropFrame(m_xBuilder->weld_widget("cropframe"))
+    , m_xZoomConstRB(m_xBuilder->weld_radio_button("keepscale"))
+    , m_xSizeConstRB(m_xBuilder->weld_radio_button("keepsize"))
+    , m_xLeftMF(m_xBuilder->weld_metric_spin_button("left", FieldUnit::CM))
+    , m_xRightMF(m_xBuilder->weld_metric_spin_button("right", FieldUnit::CM))
+    , m_xTopMF(m_xBuilder->weld_metric_spin_button("top", FieldUnit::CM))
+    , m_xBottomMF(m_xBuilder->weld_metric_spin_button("bottom", FieldUnit::CM))
+    , m_xScaleFrame(m_xBuilder->weld_widget("scaleframe"))
+    , m_xWidthZoomMF(m_xBuilder->weld_metric_spin_button("widthzoom", FieldUnit::PERCENT))
+    , m_xHeightZoomMF(m_xBuilder->weld_metric_spin_button("heightzoom", FieldUnit::PERCENT))
+    , m_xSizeFrame(m_xBuilder->weld_widget("sizeframe"))
+    , m_xWidthMF(m_xBuilder->weld_metric_spin_button("width", FieldUnit::CM))
+    , m_xHeightMF(m_xBuilder->weld_metric_spin_button("height", FieldUnit::CM))
+    , m_xOrigSizeGrid(m_xBuilder->weld_widget("origsizegrid"))
+    , m_xOrigSizeFT(m_xBuilder->weld_label("origsizeft"))
+    , m_xOrigSizePB(m_xBuilder->weld_button("origsize"))
+    , m_xUncropPB(m_xBuilder->weld_button("uncrop"))
+    , m_xExampleWN(new weld::CustomWeld(*m_xBuilder, "preview", m_aExampleWN))
+{
+    SetExchangeSupport();
+
+    // set the correct metric
+    const FieldUnit eMetric = GetModuleFieldUnit( rSet );
+
+    SetFieldUnit( *m_xWidthMF, eMetric );
+    SetFieldUnit( *m_xHeightMF, eMetric );
+    SetFieldUnit( *m_xLeftMF, eMetric );
+    SetFieldUnit( *m_xRightMF, eMetric );
+    SetFieldUnit( *m_xTopMF , eMetric );
+    SetFieldUnit( *m_xBottomMF, eMetric );
+
+    Link<weld::MetricSpinButton&,void> aLk = LINK(this, SvxGrfCropPage, SizeHdl);
+    m_xWidthMF->connect_value_changed( aLk );
+    m_xHeightMF->connect_value_changed( aLk );
+
+    aLk = LINK(this, SvxGrfCropPage, ZoomHdl);
+    m_xWidthZoomMF->connect_value_changed( aLk );
+    m_xHeightZoomMF->connect_value_changed( aLk );
+
+    aLk = LINK(this, SvxGrfCropPage, CropModifyHdl);
+    m_xLeftMF->connect_value_changed( aLk );
+    m_xRightMF->connect_value_changed( aLk );
+    m_xTopMF->connect_value_changed( aLk );
+    m_xBottomMF->connect_value_changed( aLk );
+
+    m_xOrigSizePB->connect_clicked(LINK(this, SvxGrfCropPage, OrigSizeHdl));
+    m_xUncropPB->connect_clicked(LINK(this, SvxGrfCropPage, UncropHdl));
+}
+
+SvxGrfCropPage::~SvxGrfCropPage()
+{
+    m_xExampleWN.reset();
+}
+
+std::unique_ptr<SfxTabPage> SvxGrfCropPage::Create(weld::Container* pPage, weld::DialogController* pController, const SfxItemSet *rSet)
+{
+    return std::make_unique<SvxGrfCropPage>(pPage, pController, *rSet);
+}
+
+void SvxGrfCropPage::Reset( const SfxItemSet *rSet )
+{
+    const SfxPoolItem* pItem;
+    const SfxItemPool& rPool = *rSet->GetPool();
+
+    if(SfxItemState::SET == rSet->GetItemState( rPool.GetWhich(
+                                    SID_ATTR_GRAF_KEEP_ZOOM ), true, &pItem ))
+    {
+        if( static_cast<const SfxBoolItem*>(pItem)->GetValue() )
+            m_xZoomConstRB->set_active(true);
+        else
+            m_xSizeConstRB->set_active(true);
+        m_xZoomConstRB->save_state();
+    }
+
+    sal_uInt16 nW = rPool.GetWhich( SID_ATTR_GRAF_CROP );
+    if( SfxItemState::SET == rSet->GetItemState( nW, true, &pItem))
+    {
+        FieldUnit eUnit = MapToFieldUnit( rSet->GetPool()->GetMetric( nW ));
+
+        const SvxGrfCrop* pCrop = static_cast<const SvxGrfCrop*>(pItem);
+
+        m_aExampleWN.SetLeft(pCrop->GetLeft());
+        m_aExampleWN.SetRight(pCrop->GetRight());
+        m_aExampleWN.SetTop(pCrop->GetTop());
+        m_aExampleWN.SetBottom(pCrop->GetBottom());
+
+        m_xLeftMF->set_value( m_xLeftMF->normalize( pCrop->GetLeft()), eUnit );
+        m_xRightMF->set_value( m_xRightMF->normalize( pCrop->GetRight()), eUnit );
+        m_xTopMF->set_value( m_xTopMF->normalize( pCrop->GetTop()), eUnit );
+        m_xBottomMF->set_value( m_xBottomMF->normalize( pCrop->GetBottom()), eUnit );
+    }
+    else
+    {
+        m_xLeftMF->set_value(0, FieldUnit::NONE);
+        m_xRightMF->set_value(0, FieldUnit::NONE);
+        m_xTopMF->set_value(0, FieldUnit::NONE);
+        m_xBottomMF->set_value(0, FieldUnit::NONE);
+    }
+
+    m_xLeftMF->save_value();
+    m_xRightMF->save_value();
+    m_xTopMF->save_value();
+    m_xBottomMF->save_value();
+
+    nW = rPool.GetWhich( SID_ATTR_PAGE_SIZE );
+    if ( SfxItemState::SET == rSet->GetItemState( nW, false, &pItem ) )
+    {
+        // orientation and size from the PageItem
+        FieldUnit eUnit = MapToFieldUnit( rSet->GetPool()->GetMetric( nW ));
+
+        m_aPageSize = static_cast<const SvxSizeItem*>(pItem)->GetSize();
+
+        auto nMin = m_xWidthMF->normalize( 23 );
+        auto nMax = m_xHeightMF->normalize(m_aPageSize.Height());
+        m_xHeightMF->set_range(nMin, nMax, eUnit);
+        nMax = m_xWidthMF->normalize(m_aPageSize.Width());
+        m_xWidthMF->set_range(nMin, nMax, eUnit);
+    }
+    else
+    {
+        m_aPageSize = OutputDevice::LogicToLogic(
+                        Size( CM_1_TO_TWIP,  CM_1_TO_TWIP ),
+                        MapMode( MapUnit::MapTwip ),
+                        MapMode( rSet->GetPool()->GetMetric( nW ) ) );
+    }
+
+    bool bFound = false;
+    if( const SvxBrushItem* pGraphicItem = rSet->GetItemIfSet( SID_ATTR_GRAF_GRAPHIC, false ) )
+    {
+        OUString referer;
+        SfxStringItem const * it = rSet->GetItem(SID_REFERER);
+        if (it != nullptr) {
+            referer = it->GetValue();
+        }
+        const Graphic* pGrf = pGraphicItem->GetGraphic(referer);
+        if( pGrf )
+        {
+            m_aOrigSize = GetGrfOrigSize( *pGrf );
+            if (pGrf->GetType() == GraphicType::Bitmap && m_aOrigSize.Width() && m_aOrigSize.Height())
+            {
+                m_aOrigPixelSize = pGrf->GetSizePixel();
+            }
+
+            if( m_aOrigSize.Width() && m_aOrigSize.Height() )
+            {
+                CalcMinMaxBorder();
+                m_aExampleWN.SetGraphic( *pGrf );
+                m_aExampleWN.SetFrameSize( m_aOrigSize );
+
+                bFound = true;
+                if( !pGraphicItem->GetGraphicLink().isEmpty() )
+                    m_aGraphicName = pGraphicItem->GetGraphicLink();
+            }
+        }
+    }
+
+    GraphicHasChanged( bFound );
+    ActivatePage( *rSet );
+}
+
+bool SvxGrfCropPage::FillItemSet(SfxItemSet *rSet)
+{
+    const SfxItemPool& rPool = *rSet->GetPool();
+    bool bModified = false;
+    if( m_xWidthMF->get_value_changed_from_saved() ||
+        m_xHeightMF->get_value_changed_from_saved() )
+    {
+        constexpr TypedWhichId<SvxSizeItem> nW = SID_ATTR_GRAF_FRMSIZE;
+        FieldUnit eUnit = MapToFieldUnit( rSet->GetPool()->GetMetric( nW ));
+
+        std::shared_ptr<SvxSizeItem> aSz(std::make_shared<SvxSizeItem>(nW));
+
+        // size could already have been set from another page
+        const SfxItemSet* pExSet = GetDialogExampleSet();
+        const SvxSizeItem* pSizeItem = nullptr;
+        if( pExSet && (pSizeItem = pExSet->GetItemIfSet( nW, false )) )
+        {
+            aSz.reset(pSizeItem->Clone());
+        }
+        else
+        {
+            aSz.reset(GetItemSet().Get(nW).Clone());
+        }
+
+        Size aTmpSz( aSz->GetSize() );
+        if( m_xWidthMF->get_value_changed_from_saved() )
+            aTmpSz.setWidth( lcl_GetValue( *m_xWidthMF, eUnit ) );
+        if( m_xHeightMF->get_value_changed_from_saved() )
+            aTmpSz.setHeight( lcl_GetValue( *m_xHeightMF, eUnit ) );
+        aSz->SetSize( aTmpSz );
+        m_xWidthMF->save_value();
+        m_xHeightMF->save_value();
+
+        bModified |= nullptr != rSet->Put( *aSz );
+
+        if (m_bSetOrigSize)
+        {
+            bModified |= nullptr != rSet->Put( SvxSizeItem( rPool.GetWhich(
+                        SID_ATTR_GRAF_FRMSIZE_PERCENT ), Size( 0, 0 )) );
+        }
+    }
+    if( m_xLeftMF->get_value_changed_from_saved() || m_xRightMF->get_value_changed_from_saved() ||
+        m_xTopMF->get_value_changed_from_saved()  || m_xBottomMF->get_value_changed_from_saved() )
+    {
+        sal_uInt16 nW = rPool.GetWhich( SID_ATTR_GRAF_CROP );
+        FieldUnit eUnit = MapToFieldUnit( rSet->GetPool()->GetMetric( nW ));
+        std::unique_ptr<SvxGrfCrop> pNew(static_cast<SvxGrfCrop*>(rSet->Get( nW ).Clone()));
+
+        pNew->SetLeft( lcl_GetValue( *m_xLeftMF, eUnit ) );
+        pNew->SetRight( lcl_GetValue( *m_xRightMF, eUnit ) );
+        pNew->SetTop( lcl_GetValue( *m_xTopMF, eUnit ) );
+        pNew->SetBottom( lcl_GetValue( *m_xBottomMF, eUnit ) );
+        bModified |= nullptr != rSet->Put( std::move(pNew) );
+    }
+
+    if( m_xZoomConstRB->get_state_changed_from_saved() )
+    {
+        bModified |= nullptr != rSet->Put( SfxBoolItem( rPool.GetWhich(
+                    SID_ATTR_GRAF_KEEP_ZOOM), m_xZoomConstRB->get_active() ) );
+    }
+
+    return bModified;
+}
+
+void SvxGrfCropPage::ActivatePage(const SfxItemSet& rSet)
+{
+#ifdef DBG_UTIL
+    SfxItemPool* pPool = GetItemSet().GetPool();
+    DBG_ASSERT( pPool, "Where is the pool?" );
+#endif
+
+    auto& aProperties = getAdditionalProperties();
+    auto aIterator = aProperties.find("PreferredDPI");
+    if (aIterator != aProperties.end())
+        m_aPreferredDPI = aIterator->second.get<sal_Int32>();
+
+    m_bSetOrigSize = false;
+
+    // Size
+    Size aSize;
+    if( const SvxSizeItem* pFrmSizeItem = rSet.GetItemIfSet( SID_ATTR_GRAF_FRMSIZE, false ) )
+        aSize = pFrmSizeItem->GetSize();
+
+    m_nOldWidth = aSize.Width();
+    m_nOldHeight = aSize.Height();
+
+    auto nWidth = m_xWidthMF->normalize(m_nOldWidth);
+    auto nHeight = m_xHeightMF->normalize(m_nOldHeight);
+
+    if (nWidth != m_xWidthMF->get_value(FieldUnit::TWIP))
+        m_xWidthMF->set_value(nWidth, FieldUnit::TWIP);
+    m_xWidthMF->save_value();
+
+    if (nHeight != m_xHeightMF->get_value(FieldUnit::TWIP))
+        m_xHeightMF->set_value(nHeight, FieldUnit::TWIP);
+    m_xHeightMF->save_value();
+
+    if( const SvxBrushItem* pBrushItem = rSet.GetItemIfSet( SID_ATTR_GRAF_GRAPHIC, false ) )
+    {
+        if( !pBrushItem->GetGraphicLink().isEmpty() &&
+            m_aGraphicName != pBrushItem->GetGraphicLink() )
+            m_aGraphicName = pBrushItem->GetGraphicLink();
+
+        OUString referer;
+        SfxStringItem const * it = rSet.GetItem(SID_REFERER);
+        if (it != nullptr) {
+            referer = it->GetValue();
+        }
+        const Graphic* pGrf = pBrushItem->GetGraphic(referer);
+        if( pGrf )
+        {
+            m_aExampleWN.SetGraphic( *pGrf );
+            m_aOrigSize = GetGrfOrigSize( *pGrf );
+            if (pGrf->GetType() == GraphicType::Bitmap && m_aOrigSize.Width() > 1 && m_aOrigSize.Height() > 1) {
+                m_aOrigPixelSize = pGrf->GetSizePixel();
+            }
+            m_aExampleWN.SetFrameSize(m_aOrigSize);
+            GraphicHasChanged( m_aOrigSize.Width() && m_aOrigSize.Height() );
+            CalcMinMaxBorder();
+        }
+        else
+            GraphicHasChanged( false );
+    }
+
+    CalcZoom();
+}
+
+DeactivateRC SvxGrfCropPage::DeactivatePage(SfxItemSet *_pSet)
+{
+    if ( _pSet )
+        FillItemSet( _pSet );
+    return DeactivateRC::LeavePage;
+}
+
+/*--------------------------------------------------------------------
+    description: scale changed, adjust size
+ --------------------------------------------------------------------*/
+
+IMPL_LINK( SvxGrfCropPage, ZoomHdl, weld::MetricSpinButton&, rField, void )
+{
+    SfxItemPool* pPool = GetItemSet().GetPool();
+    DBG_ASSERT( pPool, "Where is the pool?" );
+    FieldUnit eUnit = MapToFieldUnit( pPool->GetMetric( pPool->GetWhich(
+                                                    SID_ATTR_GRAF_CROP ) ) );
+
+    if (&rField == m_xWidthZoomMF.get())
+    {
+        tools::Long nLRBorders = lcl_GetValue(*m_xLeftMF, eUnit)
+                         +lcl_GetValue(*m_xRightMF, eUnit);
+        m_xWidthMF->set_value( m_xWidthMF->normalize(
+            ((m_aOrigSize.Width() - nLRBorders) * rField.get_value(FieldUnit::NONE))/100),
+            eUnit);
+    }
+    else
+    {
+        tools::Long nULBorders = lcl_GetValue(*m_xTopMF, eUnit)
+                         +lcl_GetValue(*m_xBottomMF, eUnit);
+        m_xHeightMF->set_value( m_xHeightMF->normalize(
+            ((m_aOrigSize.Height() - nULBorders ) * rField.get_value(FieldUnit::NONE))/100) ,
+            eUnit );
+    }
+}
+
+/*--------------------------------------------------------------------
+    description: change size, adjust scale
+ --------------------------------------------------------------------*/
+
+IMPL_LINK( SvxGrfCropPage, SizeHdl, weld::MetricSpinButton&, rField, void )
+{
+    SfxItemPool* pPool = GetItemSet().GetPool();
+    DBG_ASSERT( pPool, "Where is the pool?" );
+    FieldUnit eUnit = MapToFieldUnit( pPool->GetMetric( pPool->GetWhich(
+                                                    SID_ATTR_GRAF_CROP ) ) );
+
+    Size aSize( lcl_GetValue(*m_xWidthMF, eUnit),
+                lcl_GetValue(*m_xHeightMF, eUnit) );
+
+    if(&rField == m_xWidthMF.get())
+    {
+        tools::Long nWidth = m_aOrigSize.Width() -
+                ( lcl_GetValue(*m_xLeftMF, eUnit) +
+                  lcl_GetValue(*m_xRightMF, eUnit) );
+        if(!nWidth)
+            nWidth++;
+        sal_uInt16 nZoom = static_cast<sal_uInt16>( aSize.Width() * 100 / nWidth);
+        m_xWidthZoomMF->set_value(nZoom, FieldUnit::NONE);
+    }
+    else
+    {
+        tools::Long nHeight = m_aOrigSize.Height() -
+                ( lcl_GetValue(*m_xTopMF, eUnit) +
+                  lcl_GetValue(*m_xBottomMF, eUnit));
+        if(!nHeight)
+            nHeight++;
+        sal_uInt16 nZoom = static_cast<sal_uInt16>( aSize.Height() * 100 / nHeight);
+        m_xHeightZoomMF->set_value(nZoom, FieldUnit::NONE);
+    }
+}
+
+/*--------------------------------------------------------------------
+    description: evaluate border
+ --------------------------------------------------------------------*/
+
+IMPL_LINK( SvxGrfCropPage, CropModifyHdl, weld::MetricSpinButton&, rField, void )
+{
+    SfxItemPool* pPool = GetItemSet().GetPool();
+    DBG_ASSERT( pPool, "Where is the pool?" );
+    FieldUnit eUnit = MapToFieldUnit( pPool->GetMetric( pPool->GetWhich(
+                                                    SID_ATTR_GRAF_CROP ) ) );
+
+    bool bZoom = m_xZoomConstRB->get_active();
+    if (&rField == m_xLeftMF.get() || &rField == m_xRightMF.get())
+    {
+        tools::Long nLeft = lcl_GetValue( *m_xLeftMF, eUnit );
+        tools::Long nRight = lcl_GetValue( *m_xRightMF, eUnit );
+        tools::Long nWidthZoom = static_cast<tools::Long>(m_xWidthZoomMF->get_value(FieldUnit::NONE));
+        if (bZoom && nWidthZoom != 0 && ( ( ( m_aOrigSize.Width() - (nLeft + nRight )) * nWidthZoom )
+                            / 100 >= m_aPageSize.Width() ) )
+        {
+            if (&rField == m_xLeftMF.get())
+            {
+                nLeft = m_aOrigSize.Width() -
+                            ( m_aPageSize.Width() * 100 / nWidthZoom + nRight );
+                m_xLeftMF->set_value( m_xLeftMF->normalize( nLeft ), eUnit );
+            }
+            else
+            {
+                nRight = m_aOrigSize.Width() -
+                            ( m_aPageSize.Width() * 100 / nWidthZoom + nLeft );
+                m_xRightMF->set_value( m_xRightMF->normalize( nRight ), eUnit );
+            }
+        }
+        if (AllSettings::GetLayoutRTL())
+        {
+            m_aExampleWN.SetLeft(nRight);
+            m_aExampleWN.SetRight(nLeft);
+        }
+        else
+        {
+            m_aExampleWN.SetLeft(nLeft);
+            m_aExampleWN.SetRight(nRight);
+        }
+        if(bZoom)
+        {
+            // scale stays, recompute width
+            ZoomHdl(*m_xWidthZoomMF);
+        }
+    }
+    else
+    {
+        tools::Long nTop = lcl_GetValue( *m_xTopMF, eUnit );
+        tools::Long nBottom = lcl_GetValue( *m_xBottomMF, eUnit );
+        tools::Long nHeightZoom = static_cast<tools::Long>(m_xHeightZoomMF->get_value(FieldUnit::NONE));
+        if(bZoom && ( ( ( m_aOrigSize.Height() - (nTop + nBottom )) * nHeightZoom)
+                                            / 100 >= m_aPageSize.Height()))
+        {
+            assert(nHeightZoom && "div-by-zero");
+            if(&rField == m_xTopMF.get())
+            {
+                nTop = m_aOrigSize.Height() -
+                            ( m_aPageSize.Height() * 100 / nHeightZoom + nBottom);
+                m_xTopMF->set_value( m_xWidthMF->normalize( nTop ), eUnit );
+            }
+            else
+            {
+                nBottom = m_aOrigSize.Height() -
+                            ( m_aPageSize.Height() * 100 / nHeightZoom + nTop);
+                m_xBottomMF->set_value( m_xWidthMF->normalize( nBottom ), eUnit );
+            }
+        }
+        m_aExampleWN.SetTop( nTop );
+        m_aExampleWN.SetBottom( nBottom );
+        if(bZoom)
+        {
+            // scale stays, recompute height
+            ZoomHdl(*m_xHeightZoomMF);
+        }
+    }
+    m_aExampleWN.Invalidate();
+    // size and border changed -> recompute scale
+    if(!bZoom)
+        CalcZoom();
+    CalcMinMaxBorder();
+}
+/*--------------------------------------------------------------------
+    description: set original size
+ --------------------------------------------------------------------*/
+
+IMPL_LINK_NOARG(SvxGrfCropPage, OrigSizeHdl, weld::Button&, void)
+{
+    SfxItemPool* pPool = GetItemSet().GetPool();
+    DBG_ASSERT( pPool, "Where is the pool?" );
+    FieldUnit eUnit = MapToFieldUnit( pPool->GetMetric( pPool->GetWhich(
+                                                    SID_ATTR_GRAF_CROP ) ) );
+
+    tools::Long nWidth = m_aOrigSize.Width() -
+        lcl_GetValue( *m_xLeftMF, eUnit ) -
+        lcl_GetValue( *m_xRightMF, eUnit );
+    m_xWidthMF->set_value( m_xWidthMF->normalize( nWidth ), eUnit );
+    tools::Long nHeight = m_aOrigSize.Height() -
+        lcl_GetValue( *m_xTopMF, eUnit ) -
+        lcl_GetValue( *m_xBottomMF, eUnit );
+    m_xHeightMF->set_value( m_xHeightMF->normalize( nHeight ), eUnit );
+    m_xWidthZoomMF->set_value(100, FieldUnit::NONE);
+    m_xHeightZoomMF->set_value(100, FieldUnit::NONE);
+    m_bSetOrigSize = true;
+}
+
+/*--------------------------------------------------------------------
+    description: reset crop
+ --------------------------------------------------------------------*/
+
+IMPL_LINK_NOARG(SvxGrfCropPage, UncropHdl, weld::Button&, void)
+{
+    SfxItemPool* pPool = GetItemSet().GetPool();
+    DBG_ASSERT( pPool, "Where is the pool?" );
+
+    m_xLeftMF->set_value(0, FieldUnit::NONE);
+    m_xRightMF->set_value(0, FieldUnit::NONE);
+    m_xTopMF->set_value(0, FieldUnit::NONE);
+    m_xBottomMF->set_value(0, FieldUnit::NONE);
+
+    m_aExampleWN.SetLeft(0);
+    m_aExampleWN.SetRight(0);
+    m_aExampleWN.SetTop(0);
+    m_aExampleWN.SetBottom(0);
+
+    m_aExampleWN.Invalidate();
+    CalcMinMaxBorder();
+
+}
+
+
+/*--------------------------------------------------------------------
+    description: compute scale
+ --------------------------------------------------------------------*/
+
+void SvxGrfCropPage::CalcZoom()
+{
+    SfxItemPool* pPool = GetItemSet().GetPool();
+    DBG_ASSERT( pPool, "Where is the pool?" );
+    FieldUnit eUnit = MapToFieldUnit( pPool->GetMetric( pPool->GetWhich(
+                                                    SID_ATTR_GRAF_CROP ) ) );
+
+    tools::Long nWidth = lcl_GetValue( *m_xWidthMF, eUnit );
+    tools::Long nHeight = lcl_GetValue( *m_xHeightMF, eUnit );
+    tools::Long nLRBorders = lcl_GetValue( *m_xLeftMF, eUnit ) +
+                      lcl_GetValue( *m_xRightMF, eUnit );
+    tools::Long nULBorders = lcl_GetValue( *m_xTopMF, eUnit ) +
+                      lcl_GetValue( *m_xBottomMF, eUnit );
+    sal_uInt16 nZoom = 0;
+    tools::Long nDen;
+    if( (nDen = m_aOrigSize.Width() - nLRBorders) > 0)
+        nZoom = static_cast<sal_uInt16>((( nWidth  * 1000 / nDen )+5)/10);
+    m_xWidthZoomMF->set_value(nZoom, FieldUnit::NONE);
+    if( (nDen = m_aOrigSize.Height() - nULBorders) > 0)
+        nZoom = static_cast<sal_uInt16>((( nHeight * 1000 / nDen )+5)/10);
+    else
+        nZoom = 0;
+    m_xHeightZoomMF->set_value(nZoom, FieldUnit::NONE);
+}
+
+/*--------------------------------------------------------------------
+    description: set minimum/maximum values for the margins
+ --------------------------------------------------------------------*/
+
+void SvxGrfCropPage::CalcMinMaxBorder()
+{
+    SfxItemPool* pPool = GetItemSet().GetPool();
+    DBG_ASSERT( pPool, "Where is the pool?" );
+    FieldUnit eUnit = MapToFieldUnit( pPool->GetMetric( pPool->GetWhich(
+                                                    SID_ATTR_GRAF_CROP ) ) );
+    tools::Long nR = lcl_GetValue(*m_xRightMF, eUnit );
+    tools::Long nMinWidth = (m_aOrigSize.Width() * 10) /11;
+    tools::Long nMin = nMinWidth - (nR >= 0 ? nR : 0);
+    m_xLeftMF->set_max( m_xLeftMF->normalize(nMin), eUnit );
+
+    tools::Long nL = lcl_GetValue(*m_xLeftMF, eUnit );
+    nMin = nMinWidth - (nL >= 0 ? nL : 0);
+    m_xRightMF->set_max( m_xRightMF->normalize(nMin), eUnit );
+
+    tools::Long nUp  = lcl_GetValue( *m_xTopMF, eUnit );
+    tools::Long nMinHeight = (m_aOrigSize.Height() * 10) /11;
+    nMin = nMinHeight - (nUp >= 0 ? nUp : 0);
+    m_xBottomMF->set_max( m_xBottomMF->normalize(nMin), eUnit );
+
+    tools::Long nLow = lcl_GetValue(*m_xBottomMF, eUnit );
+    nMin = nMinHeight - (nLow >= 0 ? nLow : 0);
+    m_xTopMF->set_max( m_xTopMF->normalize(nMin), eUnit );
+}
+/*--------------------------------------------------------------------
+    description:   set spinsize to 1/20 of the original size,
+                   fill FixedText with the original size
+ --------------------------------------------------------------------*/
+
+void SvxGrfCropPage::GraphicHasChanged( bool bFound )
+{
+    if( bFound )
+    {
+        SfxItemPool* pPool = GetItemSet().GetPool();
+        DBG_ASSERT( pPool, "Where is the pool?" );
+        FieldUnit eUnit = MapToFieldUnit( pPool->GetMetric( pPool->GetWhich(
+                                                    SID_ATTR_GRAF_CROP ) ));
+
+        sal_Int64 nSpin = m_xLeftMF->normalize(m_aOrigSize.Width()) / 20;
+        nSpin = vcl::ConvertValue( nSpin, m_aOrigSize.Width(), 0,
+                                               eUnit, m_xLeftMF->get_unit());
+
+        // if the margin is too big, it is set to 1/3 on both pages
+        tools::Long nR = lcl_GetValue( *m_xRightMF, eUnit );
+        tools::Long nL = lcl_GetValue( *m_xLeftMF, eUnit );
+        if((nL + nR) < - m_aOrigSize.Width())
+        {
+            tools::Long nVal = m_aOrigSize.Width() / -3;
+            m_xRightMF->set_value( m_xRightMF->normalize( nVal ), eUnit );
+            m_xLeftMF->set_value( m_xLeftMF->normalize( nVal ), eUnit );
+            m_aExampleWN.SetLeft(nVal);
+            m_aExampleWN.SetRight(nVal);
+        }
+        tools::Long nUp  = lcl_GetValue(*m_xTopMF, eUnit );
+        tools::Long nLow = lcl_GetValue(*m_xBottomMF, eUnit );
+        if((nUp + nLow) < - m_aOrigSize.Height())
+        {
+            tools::Long nVal = m_aOrigSize.Height() / -3;
+            m_xTopMF->set_value( m_xTopMF->normalize( nVal ), eUnit );
+            m_xBottomMF->set_value( m_xBottomMF->normalize( nVal ), eUnit );
+            m_aExampleWN.SetTop(nVal);
+            m_aExampleWN.SetBottom(nVal);
+        }
+
+        m_xLeftMF->set_increments(nSpin, nSpin * 10, FieldUnit::NONE);
+        m_xRightMF->set_increments(nSpin, nSpin * 10, FieldUnit::NONE);
+        nSpin = m_xTopMF->normalize(m_aOrigSize.Height()) / 20;
+        nSpin = vcl::ConvertValue( nSpin, m_aOrigSize.Width(), 0,
+                                               eUnit, m_xLeftMF->get_unit() );
+        m_xTopMF->set_increments(nSpin, nSpin * 10, FieldUnit::NONE);
+        m_xBottomMF->set_increments(nSpin, nSpin * 10, FieldUnit::NONE);
+
+        // display original size
+        const FieldUnit eMetric = GetModuleFieldUnit( GetItemSet() );
+
+        OUString sTemp;
+        {
+            std::unique_ptr<weld::Builder> xBuilder(Application::CreateBuilder(GetFrameWeld(), "cui/ui/spinbox.ui"));
+            std::unique_ptr<weld::Dialog> xTopLevel(xBuilder->weld_dialog("SpinDialog"));
+            std::unique_ptr<weld::MetricSpinButton> xFld(xBuilder->weld_metric_spin_button("spin", FieldUnit::CM));
+            SetFieldUnit( *xFld, eMetric );
+            xFld->set_digits(m_xWidthMF->get_digits());
+            xFld->set_max(INT_MAX - 1, FieldUnit::NONE);
+
+            xFld->set_value(xFld->normalize(m_aOrigSize.Width()), eUnit);
+            sTemp = xFld->get_text();
+            xFld->set_value(xFld->normalize(m_aOrigSize.Height()), eUnit);
+            // multiplication sign (U+00D7)
+            sTemp += u"\u00D7" + xFld->get_text();
+        }
+
+        if ( m_aOrigPixelSize.Width() && m_aOrigPixelSize.Height() ) {
+             sal_Int32 ax = 0.5 + m_aOrigPixelSize.Width() /
+                 o3tl::convert<double>(m_aOrigSize.Width(), o3tl::Length::twip,
+                                                          o3tl::Length::in);
+             sal_Int32 ay = 0.5 + m_aOrigPixelSize.Height() /
+                 o3tl::convert<double>(m_aOrigSize.Height(), o3tl::Length::twip,
+                                                           o3tl::Length::in);
+             OUString sPPI = OUString::number(ax);
+             if (abs(ax - ay) > 1) {
+                sPPI += u"\u00D7" + OUString::number(ay);
+             }
+             sTemp += " " + CuiResId(RID_CUISTR_PPI).replaceAll("%1", sPPI);
+        }
+        sTemp += "\n" + OUString::number(m_aOrigPixelSize.Width()) + u"\u00D7" + OUString::number(m_aOrigPixelSize.Height()) + " px";
+        m_xOrigSizeFT->set_label(sTemp);
+    }
+
+    m_xCropFrame->set_sensitive(bFound);
+    m_xScaleFrame->set_sensitive(bFound);
+    m_xSizeFrame->set_sensitive(bFound);
+    m_xOrigSizeGrid->set_sensitive(bFound);
+    m_xZoomConstRB->set_sensitive(bFound);
+}
+
+Size SvxGrfCropPage::GetGrfOrigSize(const Graphic& rGrf)
+{
+    Size aSize;
+
+    if (m_aPreferredDPI > 0)
+    {
+        Size aPixelSize = rGrf.GetSizePixel();
+        double fWidth = aPixelSize.Width() / double(m_aPreferredDPI);
+        double fHeight = aPixelSize.Height() / double(m_aPreferredDPI);
+        fWidth = o3tl::convert(fWidth, o3tl::Length::in, o3tl::Length::twip);
+        fHeight = o3tl::convert(fHeight, o3tl::Length::in, o3tl::Length::twip);
+        aSize = Size(fWidth, fHeight);
+    }
+    else
+    {
+        const MapMode aMapTwip( MapUnit::MapTwip );
+        aSize = rGrf.GetPrefSize();
+        if( MapUnit::MapPixel == rGrf.GetPrefMapMode().GetMapUnit() )
+            aSize = Application::GetDefaultDevice()->PixelToLogic(aSize, aMapTwip);
+        else
+            aSize = OutputDevice::LogicToLogic( aSize,
+                                            rGrf.GetPrefMapMode(), aMapTwip );
+    }
+    return aSize;
+}
+
+/*****************************************************************/
+
+SvxCropExample::SvxCropExample()
+    : m_aTopLeft(0, 0)
+    , m_aBottomRight(0, 0)
+{
+}
+
+void SvxCropExample::SetDrawingArea(weld::DrawingArea* pDrawingArea)
+{
+    CustomWidgetController::SetDrawingArea(pDrawingArea);
+    OutputDevice& rDevice = pDrawingArea->get_ref_device();
+    Size aSize(rDevice.LogicToPixel(Size(78, 78), MapMode(MapUnit::MapAppFont)));
+    pDrawingArea->set_size_request(aSize.Width(), aSize.Height());
+
+    m_aMapMode = rDevice.GetMapMode();
+    m_aFrameSize = OutputDevice::LogicToLogic(
+                            Size(CM_1_TO_TWIP / 2, CM_1_TO_TWIP / 2),
+                            MapMode(MapUnit::MapTwip), m_aMapMode);
+}
+
+void SvxCropExample::Paint(vcl::RenderContext& rRenderContext, const ::tools::Rectangle&)
+{
+    rRenderContext.Push(vcl::PushFlags::MAPMODE);
+    rRenderContext.SetMapMode(m_aMapMode);
+
+    // Win BG
+    const Size aWinSize(rRenderContext.PixelToLogic(GetOutputSizePixel()));
+    rRenderContext.SetLineColor();
+    rRenderContext.SetFillColor(rRenderContext.GetSettings().GetStyleSettings().GetWindowColor());
+    rRenderContext.DrawRect(::tools::Rectangle(Point(), aWinSize));
+
+    // use AA, the Graphic may be a metafile/svg and would then look ugly
+    rRenderContext.SetAntialiasing(AntialiasingFlags::Enable);
+
+    // draw Graphic
+    ::tools::Rectangle aRect(
+        Point((aWinSize.Width() - m_aFrameSize.Width())/2, (aWinSize.Height() - m_aFrameSize.Height())/2),
+        m_aFrameSize);
+    m_aGrf.Draw(rRenderContext, aRect.TopLeft(), aRect.GetSize());
+
+    // Remove one more case that uses XOR paint (RasterOp::Invert).
+    // Get colors and logic DashLength from settings, use equal to
+    // PolygonMarkerPrimitive2D, may be changed to that primitive later.
+    // Use this to guarantee good visibility - that was the purpose of
+    // the former used XOR paint.
+    const Color aColA(SvtOptionsDrawinglayer::GetStripeColorA().getBColor());
+    const Color aColB(SvtOptionsDrawinglayer::GetStripeColorB().getBColor());
+    const double fStripeLength(SvtOptionsDrawinglayer::GetStripeLength());
+    const basegfx::B2DVector aDashVector(rRenderContext.GetInverseViewTransformation() * basegfx::B2DVector(fStripeLength, 0.0));
+    const double fLogicDashLength(aDashVector.getX());
+
+    // apply current crop settings
+    aRect.AdjustLeft(m_aTopLeft.Y());
+    aRect.AdjustTop(m_aTopLeft.X());
+    aRect.AdjustRight(-m_aBottomRight.Y());
+    aRect.AdjustBottom(-m_aBottomRight.X());
+
+    // apply dash with direct paint callbacks
+    basegfx::utils::applyLineDashing(
+        basegfx::utils::createPolygonFromRect(
+            basegfx::B2DRange(aRect.Left(), aRect.Top(), aRect.Right(), aRect.Bottom())),
+        std::vector< double >(2, fLogicDashLength),
+        [&aColA,&rRenderContext](const basegfx::B2DPolygon& rSnippet)
+        {
+            rRenderContext.SetLineColor(aColA);
+            rRenderContext.DrawPolyLine(rSnippet);
+        },
+        [&aColB,&rRenderContext](const basegfx::B2DPolygon& rSnippet)
+        {
+            rRenderContext.SetLineColor(aColB);
+            rRenderContext.DrawPolyLine(rSnippet);
+        },
+        2.0 * fLogicDashLength);
+
+    rRenderContext.Pop();
+}
+
+void SvxCropExample::Resize()
+{
+    SetFrameSize(m_aFrameSize);
+}
+
+void SvxCropExample::SetFrameSize( const Size& rSz )
+{
+    m_aFrameSize = rSz;
+    if (!m_aFrameSize.Width())
+        m_aFrameSize.setWidth( 1 );
+    if (!m_aFrameSize.Height())
+        m_aFrameSize.setHeight( 1 );
+    Size aWinSize( GetOutputSizePixel() );
+    Fraction aXScale( aWinSize.Width() * 4, m_aFrameSize.Width() * 5 );
+    Fraction aYScale( aWinSize.Height() * 4, m_aFrameSize.Height() * 5 );
+
+    if( aYScale < aXScale )
+        aXScale = aYScale;
+
+    m_aMapMode.SetScaleX(aXScale);
+    m_aMapMode.SetScaleY(aXScale);
+
+    Invalidate();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */