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, 386 insertions, 0 deletions

diff --git a/oox/source/drawingml/misccontexts.cxx b/oox/source/drawingml/misccontexts.cxx
new file mode 100644
index 000000000..66d92ec06
--- /dev/null
+++ b/oox/source/drawingml/misccontexts.cxx
@@ -0,0 +1,386 @@
+/* -*- 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 <drawingml/misccontexts.hxx>
+#include <oox/helper/attributelist.hxx>
+#include <oox/helper/graphichelper.hxx>
+#include <oox/core/xmlfilterbase.hxx>
+#include <oox/drawingml/drawingmltypes.hxx>
+#include <drawingml/fillproperties.hxx>
+#include <oox/token/namespaces.hxx>
+#include <oox/token/tokens.hxx>
+#include <vcl/GraphicExternalLink.hxx>
+#include <vcl/graph.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::xml::sax;
+using ::oox::core::ContextHandler2;
+using ::oox::core::ContextHandlerRef;
+
+namespace oox::drawingml {
+
+SolidFillContext::SolidFillContext( ContextHandler2Helper const & rParent,
+        FillProperties& rFillProps ) :
+    ColorContext( rParent, rFillProps.maFillColor )
+{
+}
+
+GradientFillContext::GradientFillContext( ContextHandler2Helper const & rParent,
+        const AttributeList& rAttribs, GradientFillProperties& rGradientProps ) :
+    ContextHandler2( rParent ),
+    mrGradientProps( rGradientProps )
+{
+    mrGradientProps.moShadeFlip = rAttribs.getToken( XML_flip );
+    mrGradientProps.moRotateWithShape = rAttribs.getBool( XML_rotWithShape );
+}
+
+ContextHandlerRef GradientFillContext::onCreateContext(
+        sal_Int32 nElement, const AttributeList& rAttribs )
+{
+    switch( nElement )
+    {
+        case A_TOKEN( gsLst ):
+            return this;    // for gs elements
+
+        case A_TOKEN( gs ):
+            if( rAttribs.hasAttribute( XML_pos ) )
+            {
+                double fPosition = getLimitedValue< double >( rAttribs.getDouble( XML_pos, 0.0 ) / 100000.0, 0.0, 1.0 );
+                auto aElement = mrGradientProps.maGradientStops.emplace( fPosition, Color() );
+                return new ColorContext( *this, aElement->second );
+            }
+        break;
+
+        case A_TOKEN( lin ):
+            mrGradientProps.moShadeAngle = rAttribs.getInteger( XML_ang );
+            mrGradientProps.moShadeScaled = rAttribs.getBool( XML_scaled );
+        break;
+
+        case A_TOKEN( path ):
+            // always set a path type, this disables linear gradient in conversion
+            mrGradientProps.moGradientPath = rAttribs.getToken( XML_path, XML_rect );
+            return this;    // for fillToRect element
+
+        case A_TOKEN( fillToRect ):
+            mrGradientProps.moFillToRect = GetRelativeRect( rAttribs.getFastAttributeList() );
+        break;
+
+        case A_TOKEN( tileRect ):
+            mrGradientProps.moTileRect = GetRelativeRect( rAttribs.getFastAttributeList() );
+        break;
+    }
+    return nullptr;
+}
+
+PatternFillContext::PatternFillContext( ContextHandler2Helper const & rParent,
+        const AttributeList& rAttribs, PatternFillProperties& rPatternProps ) :
+    ContextHandler2( rParent ),
+    mrPatternProps( rPatternProps )
+{
+    mrPatternProps.moPattPreset = rAttribs.getToken( XML_prst );
+}
+
+ContextHandlerRef PatternFillContext::onCreateContext(
+        sal_Int32 nElement, const AttributeList& )
+{
+    switch( nElement )
+    {
+        case A_TOKEN( bgClr ):
+            return new ColorContext( *this, mrPatternProps.maPattBgColor );
+        case A_TOKEN( fgClr ):
+            return new ColorContext( *this, mrPatternProps.maPattFgColor );
+    }
+    return nullptr;
+}
+
+ColorChangeContext::ColorChangeContext( ContextHandler2Helper const & rParent,
+        const AttributeList& rAttribs, BlipFillProperties& rBlipProps ) :
+    ContextHandler2( rParent ),
+    mrBlipProps( rBlipProps )
+{
+    mrBlipProps.maColorChangeFrom.setUnused();
+    mrBlipProps.maColorChangeTo.setUnused();
+    mbUseAlpha = rAttribs.getBool( XML_useA, true );
+}
+
+ColorChangeContext::~ColorChangeContext()
+{
+    if( !mbUseAlpha )
+        mrBlipProps.maColorChangeTo.clearTransparence();
+}
+
+ContextHandlerRef ColorChangeContext::onCreateContext(
+        sal_Int32 nElement, const AttributeList& )
+{
+    switch( nElement )
+    {
+        case A_TOKEN( clrFrom ):
+            return new ColorContext( *this, mrBlipProps.maColorChangeFrom );
+        case A_TOKEN( clrTo ):
+            return new ColorContext( *this, mrBlipProps.maColorChangeTo );
+    }
+    return nullptr;
+}
+
+BlipContext::BlipContext( ContextHandler2Helper const & rParent,
+        const AttributeList& rAttribs, BlipFillProperties& rBlipProps ) :
+    ContextHandler2( rParent ),
+    mrBlipProps( rBlipProps )
+{
+    if( rAttribs.hasAttribute( R_TOKEN( embed ) ) )
+    {
+        // internal picture URL
+        OUString aFragmentPath = getFragmentPathFromRelId( rAttribs.getString( R_TOKEN( embed ), OUString() ) );
+        if (!aFragmentPath.isEmpty())
+            mrBlipProps.mxFillGraphic = getFilter().getGraphicHelper().importEmbeddedGraphic( aFragmentPath );
+    }
+    else if( rAttribs.hasAttribute( R_TOKEN( link ) ) )
+    {
+        // external URL
+
+        // we will embed this link, this is better than just doing nothing...
+        // TODO: import this graphic as real link, but this requires some
+        // code rework.
+        OUString aRelId = rAttribs.getString( R_TOKEN( link ), OUString() );
+        OUString aTargetLink = getFilter().getAbsoluteUrl( getRelations().getExternalTargetFromRelId( aRelId ) );
+        GraphicExternalLink aLink(aTargetLink);
+        Graphic aGraphic(aLink);
+        mrBlipProps.mxFillGraphic = aGraphic.GetXGraphic();
+    }
+}
+
+ContextHandlerRef BlipContext::onCreateContext(
+        sal_Int32 nElement, const AttributeList& rAttribs )
+{
+    switch( nElement )
+    {
+        case A_TOKEN( biLevel ):
+            mrBlipProps.moBiLevelThreshold = rAttribs.getInteger( XML_thresh );
+            mrBlipProps.moColorEffect = getBaseToken(nElement);
+            break;
+
+        case A_TOKEN( grayscl ):
+            mrBlipProps.moColorEffect = getBaseToken( nElement );
+        break;
+
+        case A_TOKEN( clrChange ):
+            return new ColorChangeContext( *this, rAttribs, mrBlipProps );
+
+        case A_TOKEN( duotone ):
+            return new DuotoneContext( *this, mrBlipProps );
+
+        case A_TOKEN( extLst ):
+            return new BlipExtensionContext( *this, mrBlipProps );
+
+        case A_TOKEN( lum ):
+            mrBlipProps.moBrightness = rAttribs.getInteger( XML_bright );
+            mrBlipProps.moContrast = rAttribs.getInteger( XML_contrast );
+        break;
+        case A_TOKEN( alphaModFix ):
+            mrBlipProps.moAlphaModFix = rAttribs.getInteger(XML_amt);
+        break;
+    }
+    return nullptr;
+}
+
+DuotoneContext::DuotoneContext( ContextHandler2Helper const & rParent,
+        BlipFillProperties& rBlipProps ) :
+    ContextHandler2( rParent ),
+    mrBlipProps( rBlipProps ),
+    mnColorIndex( 0 )
+{
+    mrBlipProps.maDuotoneColors[0].setUnused();
+    mrBlipProps.maDuotoneColors[1].setUnused();
+}
+
+DuotoneContext::~DuotoneContext()
+{
+}
+
+::oox::core::ContextHandlerRef DuotoneContext::onCreateContext(
+        sal_Int32 /*nElement*/, const AttributeList& /*rAttribs*/ )
+{
+    if( mnColorIndex < 2 )
+        return new ColorValueContext( *this, mrBlipProps.maDuotoneColors[mnColorIndex++] );
+    return nullptr;
+}
+
+BlipFillContext::BlipFillContext( ContextHandler2Helper const & rParent,
+        const AttributeList& rAttribs, BlipFillProperties& rBlipProps ) :
+    ContextHandler2( rParent ),
+    mrBlipProps( rBlipProps )
+{
+    mrBlipProps.moRotateWithShape = rAttribs.getBool( XML_rotWithShape );
+}
+
+ContextHandlerRef BlipFillContext::onCreateContext(
+        sal_Int32 nElement, const AttributeList& rAttribs )
+{
+    switch( nElement )
+    {
+        case A_TOKEN( blip ):
+            return new BlipContext( *this, rAttribs, mrBlipProps );
+
+        case A_TOKEN( srcRect ):
+            mrBlipProps.moClipRect = GetRelativeRect( rAttribs.getFastAttributeList() );
+        break;
+
+        case A_TOKEN( tile ):
+            mrBlipProps.moBitmapMode = getBaseToken( nElement );
+            mrBlipProps.moTileOffsetX = rAttribs.getInteger( XML_tx );
+            mrBlipProps.moTileOffsetY = rAttribs.getInteger( XML_ty );
+            mrBlipProps.moTileScaleX = rAttribs.getInteger( XML_sx );
+            mrBlipProps.moTileScaleY = rAttribs.getInteger( XML_sy );
+            mrBlipProps.moTileAlign = rAttribs.getToken( XML_algn );
+            mrBlipProps.moTileFlip = rAttribs.getToken( XML_flip );
+        break;
+
+        case A_TOKEN( stretch ):
+            mrBlipProps.moBitmapMode = getBaseToken( nElement );
+            return this;    // for fillRect element
+
+        case A_TOKEN( fillRect ):
+            mrBlipProps.moFillRect = GetRelativeRect( rAttribs.getFastAttributeList() );
+        break;
+    }
+    return nullptr;
+}
+
+FillPropertiesContext::FillPropertiesContext( ContextHandler2Helper const & rParent, FillProperties& rFillProps ) :
+    ContextHandler2( rParent ),
+    mrFillProps( rFillProps )
+{
+}
+
+ContextHandlerRef FillPropertiesContext::onCreateContext(
+        sal_Int32 nElement, const AttributeList& rAttribs )
+{
+    return createFillContext( *this, nElement, rAttribs, mrFillProps );
+}
+
+ContextHandlerRef FillPropertiesContext::createFillContext(
+        ContextHandler2Helper const & rParent, sal_Int32 nElement,
+        const AttributeList& rAttribs, FillProperties& rFillProps )
+{
+    switch( nElement )
+    {
+        case A_TOKEN( noFill ):     { rFillProps.moFillType = getBaseToken( nElement ); return nullptr; };
+        case A_TOKEN( solidFill ):  { rFillProps.moFillType = getBaseToken( nElement ); return new SolidFillContext( rParent, rFillProps ); };
+        case A_TOKEN( gradFill ):   { rFillProps.moFillType = getBaseToken( nElement ); return new GradientFillContext( rParent, rAttribs, rFillProps.maGradientProps ); };
+        case A_TOKEN( pattFill ):   { rFillProps.moFillType = getBaseToken( nElement ); return new PatternFillContext( rParent, rAttribs, rFillProps.maPatternProps ); };
+        case A_TOKEN( blipFill ):   { rFillProps.moFillType = getBaseToken( nElement ); return new BlipFillContext( rParent, rAttribs, rFillProps.maBlipProps ); };
+        case A_TOKEN( grpFill ):    { rFillProps.moFillType = getBaseToken( nElement ); return nullptr; };    // TODO
+    }
+    return nullptr;
+}
+
+SimpleFillPropertiesContext::SimpleFillPropertiesContext( ContextHandler2Helper const & rParent, Color& rColor ) :
+    FillPropertiesContext( rParent, *this ),
+    mrColor( rColor )
+{
+}
+
+SimpleFillPropertiesContext::~SimpleFillPropertiesContext()
+{
+    mrColor = getBestSolidColor();
+}
+
+BlipExtensionContext::BlipExtensionContext( ContextHandler2Helper const & rParent, BlipFillProperties& rBlipProps ) :
+    ContextHandler2( rParent ),
+    mrBlipProps( rBlipProps )
+{
+}
+
+BlipExtensionContext::~BlipExtensionContext()
+{
+}
+
+ContextHandlerRef BlipExtensionContext::onCreateContext(
+        sal_Int32 nElement, const AttributeList& )
+{
+    switch( nElement )
+    {
+        case A_TOKEN( ext ):
+            return new BlipExtensionContext( *this, mrBlipProps );
+
+        case OOX_TOKEN( a14, imgProps ):
+            return new ArtisticEffectContext( *this, mrBlipProps.maEffect );
+    }
+    return nullptr;
+}
+
+ArtisticEffectContext::ArtisticEffectContext( ContextHandler2Helper const & rParent, ArtisticEffectProperties& rEffect ) :
+    ContextHandler2( rParent ),
+    maEffect( rEffect )
+{
+}
+
+ArtisticEffectContext::~ArtisticEffectContext()
+{
+}
+
+ContextHandlerRef ArtisticEffectContext::onCreateContext(
+        sal_Int32 nElement, const AttributeList& rAttribs )
+{
+    // containers
+    if( nElement == OOX_TOKEN( a14, imgLayer ) )
+    {
+        if( rAttribs.hasAttribute( R_TOKEN( embed ) ) )
+        {
+            OUString aFragmentPath = getFragmentPathFromRelId( rAttribs.getString( R_TOKEN( embed ), OUString() ) );
+            if( !aFragmentPath.isEmpty() )
+            {
+                getFilter().importBinaryData( maEffect.mrOleObjectInfo.maEmbeddedData, aFragmentPath );
+                maEffect.mrOleObjectInfo.maProgId = aFragmentPath;
+            }
+        }
+        return new ArtisticEffectContext( *this, maEffect );
+    }
+    if( nElement == OOX_TOKEN( a14, imgEffect ) )
+        return new ArtisticEffectContext( *this, maEffect );
+
+    // effects
+    maEffect.msName = ArtisticEffectProperties::getEffectString( nElement );
+    if( maEffect.isEmpty() )
+        return nullptr;
+
+    // effect attributes
+    sal_Int32 const aAttribs[19] = {
+            XML_visible, XML_trans, XML_crackSpacing, XML_pressure, XML_numberOfShades,
+            XML_grainSize, XML_intensity, XML_smoothness, XML_gridSize, XML_pencilSize,
+            XML_size, XML_brushSize, XML_scaling, XML_detail, XML_bright, XML_contrast,
+            XML_colorTemp, XML_sat, XML_amount
+    };
+    for(sal_Int32 nAttrib : aAttribs)
+    {
+        if( rAttribs.hasAttribute( nAttrib ) )
+        {
+            OUString sName = ArtisticEffectProperties::getEffectString( nAttrib );
+            if( !sName.isEmpty() )
+                maEffect.maAttribs[sName] <<= rAttribs.getInteger( nAttrib, 0 );
+        }
+    }
+
+    return nullptr;
+}
+
+} // namespace oox::drawingml
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */