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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /xmloff/source/style/XMLBackgroundImageContext.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xmloff/source/style/XMLBackgroundImageContext.cxx')
-rw-r--r--xmloff/source/style/XMLBackgroundImageContext.cxx397
1 files changed, 397 insertions, 0 deletions
diff --git a/xmloff/source/style/XMLBackgroundImageContext.cxx b/xmloff/source/style/XMLBackgroundImageContext.cxx
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+++ b/xmloff/source/style/XMLBackgroundImageContext.cxx
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+/* -*- 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/io/XOutputStream.hpp>
+#include <com/sun/star/drawing/BitmapMode.hpp>
+#include <com/sun/star/graphic/XGraphic.hpp>
+
+#include <tools/debug.hxx>
+#include <sal/log.hxx>
+#include <sax/tools/converter.hxx>
+
+#include <xmloff/xmltkmap.hxx>
+#include <xmloff/xmluconv.hxx>
+#include <xmloff/xmlnamespace.hxx>
+#include <xmloff/xmltoken.hxx>
+#include <xmloff/xmlimp.hxx>
+#include <xmloff/namespacemap.hxx>
+#include <xmloff/xmlement.hxx>
+#include <xmloff/XMLBase64ImportContext.hxx>
+#include <XMLBackgroundImageContext.hxx>
+
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::style;
+using namespace ::com::sun::star::io;
+using namespace ::xmloff::token;
+
+const SvXMLEnumMapEntry<GraphicLocation> psXML_BrushHoriPos[] =
+{
+ { XML_LEFT, GraphicLocation_LEFT_MIDDLE },
+ { XML_RIGHT, GraphicLocation_RIGHT_MIDDLE },
+ { XML_TOKEN_INVALID, GraphicLocation(0) }
+};
+
+const SvXMLEnumMapEntry<GraphicLocation> psXML_BrushVertPos[] =
+{
+ { XML_TOP, GraphicLocation_MIDDLE_TOP },
+ { XML_BOTTOM, GraphicLocation_MIDDLE_BOTTOM },
+ { XML_TOKEN_INVALID, GraphicLocation(0) }
+};
+
+static void lcl_xmlbic_MergeHoriPos( GraphicLocation& ePos,
+ GraphicLocation eHori )
+{
+ DBG_ASSERT( GraphicLocation_LEFT_MIDDLE==eHori ||
+ GraphicLocation_MIDDLE_MIDDLE==eHori ||
+ GraphicLocation_RIGHT_MIDDLE==eHori,
+ "lcl_xmlbic_MergeHoriPos: vertical pos must be middle" );
+
+ switch( ePos )
+ {
+ case GraphicLocation_LEFT_TOP:
+ case GraphicLocation_MIDDLE_TOP:
+ case GraphicLocation_RIGHT_TOP:
+ ePos = GraphicLocation_LEFT_MIDDLE==eHori
+ ? GraphicLocation_LEFT_TOP
+ : (GraphicLocation_MIDDLE_MIDDLE==eHori
+ ? GraphicLocation_MIDDLE_TOP
+ : GraphicLocation_RIGHT_TOP);
+ break;
+
+ case GraphicLocation_LEFT_MIDDLE:
+ case GraphicLocation_MIDDLE_MIDDLE:
+ case GraphicLocation_RIGHT_MIDDLE:
+ ePos = eHori;
+ break;
+
+ case GraphicLocation_LEFT_BOTTOM:
+ case GraphicLocation_MIDDLE_BOTTOM:
+ case GraphicLocation_RIGHT_BOTTOM:
+ ePos = GraphicLocation_LEFT_MIDDLE==eHori
+ ? GraphicLocation_LEFT_BOTTOM
+ : (GraphicLocation_MIDDLE_MIDDLE==eHori
+ ? GraphicLocation_MIDDLE_BOTTOM
+ : GraphicLocation_RIGHT_BOTTOM);
+ break;
+ default:
+ break;
+ }
+}
+
+static void lcl_xmlbic_MergeVertPos( GraphicLocation& ePos,
+ GraphicLocation eVert )
+{
+ DBG_ASSERT( GraphicLocation_MIDDLE_TOP==eVert ||
+ GraphicLocation_MIDDLE_MIDDLE==eVert ||
+ GraphicLocation_MIDDLE_BOTTOM==eVert,
+ "lcl_xmlbic_MergeVertPos: horizontal pos must be middle" );
+
+ switch( ePos )
+ {
+ case GraphicLocation_LEFT_TOP:
+ case GraphicLocation_LEFT_MIDDLE:
+ case GraphicLocation_LEFT_BOTTOM:
+ ePos = GraphicLocation_MIDDLE_TOP==eVert
+ ? GraphicLocation_LEFT_TOP
+ : (GraphicLocation_MIDDLE_MIDDLE==eVert
+ ? GraphicLocation_LEFT_MIDDLE
+ : GraphicLocation_LEFT_BOTTOM);
+ break;
+
+ case GraphicLocation_MIDDLE_TOP:
+ case GraphicLocation_MIDDLE_MIDDLE:
+ case GraphicLocation_MIDDLE_BOTTOM:
+ ePos = eVert;
+ break;
+
+ case GraphicLocation_RIGHT_TOP:
+ case GraphicLocation_RIGHT_MIDDLE:
+ case GraphicLocation_RIGHT_BOTTOM:
+ ePos = GraphicLocation_MIDDLE_TOP==eVert
+ ? GraphicLocation_RIGHT_TOP
+ : (GraphicLocation_MIDDLE_MIDDLE==eVert
+ ? GraphicLocation_RIGHT_MIDDLE
+ : GraphicLocation_RIGHT_BOTTOM);
+ break;
+ default:
+ break;
+ }
+}
+
+
+void XMLBackgroundImageContext::ProcessAttrs(
+ const Reference< xml::sax::XFastAttributeList >& xAttrList )
+{
+ ePos = GraphicLocation_NONE;
+
+ for (auto &aIter : sax_fastparser::castToFastAttributeList(xAttrList))
+ {
+ switch( aIter.getToken() )
+ {
+ case XML_ELEMENT(XLINK, XML_HREF):
+ m_sURL = aIter.toString();
+ if( GraphicLocation_NONE == ePos )
+ ePos = GraphicLocation_TILED;
+ break;
+ case XML_ELEMENT(XLINK, XML_TYPE):
+ case XML_ELEMENT(XLINK, XML_ACTUATE):
+ case XML_ELEMENT(XLINK, XML_SHOW):
+ break;
+ case XML_ELEMENT(STYLE, XML_POSITION):
+ {
+ GraphicLocation eNewPos = GraphicLocation_NONE, eTmp;
+ OUString sValue = aIter.toString();
+ SvXMLTokenEnumerator aTokenEnum( sValue );
+ std::u16string_view aToken;
+ bool bHori = false, bVert = false;
+ bool bOK = true;
+ while( bOK && aTokenEnum.getNextToken( aToken ) )
+ {
+ GraphicLocation nTmpGraphicLocation;
+ if( bHori && bVert )
+ {
+ bOK = false;
+ }
+ else if( std::u16string_view::npos != aToken.find( '%' ) )
+ {
+ sal_Int32 nPrc = 50;
+ if (::sax::Converter::convertPercent( nPrc, aToken ))
+ {
+ if( !bHori )
+ {
+ eNewPos = nPrc < 25
+ ? GraphicLocation_LEFT_TOP
+ : (nPrc < 75 ? GraphicLocation_MIDDLE_MIDDLE
+ : GraphicLocation_RIGHT_BOTTOM);
+ bHori = true;
+ }
+ else
+ {
+ eTmp = nPrc < 25
+ ? GraphicLocation_LEFT_TOP
+ : (nPrc < 75 ? GraphicLocation_LEFT_MIDDLE
+ : GraphicLocation_LEFT_BOTTOM);
+ lcl_xmlbic_MergeVertPos( eNewPos, eTmp );
+ bVert = true;
+ }
+ }
+ else
+ {
+ // wrong percentage
+ bOK = false;
+ }
+ }
+ else if( IsXMLToken( aToken, XML_CENTER ) )
+ {
+ if( bHori )
+ lcl_xmlbic_MergeVertPos( eNewPos,
+ GraphicLocation_MIDDLE_MIDDLE );
+ else if ( bVert )
+ lcl_xmlbic_MergeHoriPos( eNewPos,
+ GraphicLocation_MIDDLE_MIDDLE );
+ else
+ eNewPos = GraphicLocation_MIDDLE_MIDDLE;
+ }
+ else if( SvXMLUnitConverter::convertEnum( nTmpGraphicLocation, aToken,
+ psXML_BrushHoriPos ) )
+ {
+ if( bVert )
+ lcl_xmlbic_MergeHoriPos( eNewPos, nTmpGraphicLocation );
+ else if( !bHori )
+ eNewPos = nTmpGraphicLocation;
+ else
+ bOK = false;
+ bHori = true;
+ }
+ else if( SvXMLUnitConverter::convertEnum( nTmpGraphicLocation, aToken,
+ psXML_BrushVertPos ) )
+ {
+ if( bHori )
+ lcl_xmlbic_MergeVertPos( eNewPos, nTmpGraphicLocation );
+ else if( !bVert )
+ eNewPos = nTmpGraphicLocation;
+ else
+ bOK = false;
+ bVert = true;
+ }
+ else
+ {
+ bOK = false;
+ }
+ }
+
+ bOK &= GraphicLocation_NONE != eNewPos;
+ if( bOK )
+ ePos = eNewPos;
+ }
+ break;
+ case XML_ELEMENT(STYLE, XML_REPEAT):
+ {
+ GraphicLocation nPos = GraphicLocation_NONE;
+ static const SvXMLEnumMapEntry<GraphicLocation> psXML_BrushRepeat[] =
+ {
+ { XML_REPEAT, GraphicLocation_TILED },
+ { XML_BACKGROUND_NO_REPEAT, GraphicLocation_MIDDLE_MIDDLE },
+ { XML_STRETCH, GraphicLocation_AREA },
+ { XML_TOKEN_INVALID, GraphicLocation(0) }
+ };
+ if( SvXMLUnitConverter::convertEnum( nPos, aIter.toView(),
+ psXML_BrushRepeat ) )
+ {
+ if( GraphicLocation_MIDDLE_MIDDLE != nPos ||
+ GraphicLocation_NONE == ePos ||
+ GraphicLocation_AREA == ePos ||
+ GraphicLocation_TILED == ePos )
+ ePos = nPos;
+ }
+ }
+ break;
+ case XML_ELEMENT(STYLE, XML_FILTER_NAME):
+ sFilter = aIter.toString();
+ break;
+ case XML_ELEMENT(DRAW, XML_OPACITY):
+ {
+ sal_Int32 nTmp;
+ // convert from percent and clip
+ if (::sax::Converter::convertPercent( nTmp, aIter.toView() ))
+ {
+ if( (nTmp >= 0) && (nTmp <= 100) )
+ nTransparency = static_cast<sal_Int8>( 100-nTmp );
+ }
+ }
+ break;
+ default:
+ XMLOFF_WARN_UNKNOWN("xmloff", aIter);
+ }
+ }
+
+}
+
+XMLBackgroundImageContext::XMLBackgroundImageContext(
+ SvXMLImport& rImport, sal_Int32 nElement,
+ const Reference< xml::sax::XFastAttributeList > & xAttrList,
+ const XMLPropertyState& rProp,
+ sal_Int32 nPosIdx,
+ sal_Int32 nFilterIdx,
+ sal_Int32 nTransparencyIdx,
+ sal_Int32 nBitmapModeIdx,
+ ::std::vector< XMLPropertyState > &rProps ) :
+ XMLElementPropertyContext( rImport, nElement, rProp, rProps ),
+ aPosProp( nPosIdx ),
+ m_nBitmapModeIdx(nBitmapModeIdx),
+ aFilterProp( nFilterIdx ),
+ aTransparencyProp( nTransparencyIdx ),
+ nTransparency( 0 )
+{
+ ProcessAttrs( xAttrList );
+}
+
+XMLBackgroundImageContext::~XMLBackgroundImageContext()
+{
+}
+
+css::uno::Reference< css::xml::sax::XFastContextHandler > XMLBackgroundImageContext::createFastChildContext(
+ sal_Int32 nElement,
+ const css::uno::Reference< css::xml::sax::XFastAttributeList >& /*xAttrList*/ )
+{
+ if( nElement == XML_ELEMENT(OFFICE, xmloff::token::XML_BINARY_DATA) )
+ {
+ if( m_sURL.isEmpty() && !m_xBase64Stream.is() )
+ {
+ m_xBase64Stream = GetImport().GetStreamForGraphicObjectURLFromBase64();
+ if( m_xBase64Stream.is() )
+ return new XMLBase64ImportContext( GetImport(), m_xBase64Stream );
+ }
+ }
+ XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
+ return nullptr;
+}
+
+void XMLBackgroundImageContext::endFastElement(sal_Int32 nElement)
+{
+ uno::Reference<graphic::XGraphic> xGraphic;
+ if (!m_sURL.isEmpty())
+ {
+ xGraphic = GetImport().loadGraphicByURL(m_sURL);
+ }
+ else if (m_xBase64Stream.is())
+ {
+ xGraphic = GetImport().loadGraphicFromBase64(m_xBase64Stream);
+ m_xBase64Stream = nullptr;
+ }
+
+ if (!xGraphic.is())
+ ePos = GraphicLocation_NONE;
+ else if (GraphicLocation_NONE == ePos)
+ ePos = GraphicLocation_TILED;
+
+ if (xGraphic.is())
+ aProp.maValue <<= xGraphic;
+ aPosProp.maValue <<= ePos;
+ aFilterProp.maValue <<= sFilter;
+ aTransparencyProp.maValue <<= nTransparency;
+
+ SetInsert( true );
+ XMLElementPropertyContext::endFastElement(nElement);
+
+ if( -1 != aPosProp.mnIndex )
+ {
+ // See if a FillBitmapMode property is already set, in that case
+ // BackGraphicLocation will be ignored.
+ bool bFound = false;
+ if (m_nBitmapModeIdx != -1)
+ {
+ for (XMLPropertyState& rProperty : rProperties)
+ {
+ if (rProperty.mnIndex == m_nBitmapModeIdx)
+ {
+ bFound = true;
+
+ // Found, so map the old property to the new one.
+ switch (ePos)
+ {
+ case GraphicLocation_TILED:
+ rProperty.maValue <<= drawing::BitmapMode_REPEAT;
+ break;
+ case GraphicLocation_AREA:
+ rProperty.maValue <<= drawing::BitmapMode_STRETCH;
+ break;
+ case GraphicLocation_MIDDLE_MIDDLE:
+ rProperty.maValue <<= drawing::BitmapMode_NO_REPEAT;
+ break;
+ default:
+ break;
+ }
+ break;
+ }
+ }
+ }
+ if (!bFound)
+ rProperties.push_back( aPosProp );
+ }
+ if( -1 != aFilterProp.mnIndex )
+ rProperties.push_back( aFilterProp );
+ if( -1 != aTransparencyProp.mnIndex )
+ rProperties.push_back( aTransparencyProp );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */