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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/awt/XBitmap.hpp>
#include <com/sun/star/graphic/XGraphic.hpp>
#include <tools/stream.hxx>
#include <vcl/window.hxx>
#include <vcl/virdev.hxx>
#include <vcl/bitmapex.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <svl/style.hxx>
#include <editeng/memberids.hrc>
#include <svx/dialogs.hrc>
#include "svx/xattr.hxx"
#include <svx/xtable.hxx>
#include <svx/xdef.hxx>
#include <svx/unomid.hxx>
#include <editeng/unoprnms.hxx>
#include <svx/unoapi.hxx>
#include <svx/svdmodel.hxx>
#include <svx/xbitmap.hxx>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <vcl/salbtype.hxx>
#include <vcl/bmpacc.hxx>
#include <vcl/dibtools.hxx>

using namespace ::com::sun::star;

XOBitmap::XOBitmap( const Bitmap& rBmp ) :
    eType           ( XBITMAP_IMPORT ),
    aGraphicObject  ( rBmp ),
    pPixelArray     ( NULL ),
    bGraphicDirty   ( sal_False )
{
}

XOBitmap::XOBitmap( const XOBitmap& rXBmp ) :
    pPixelArray ( NULL )
{
    eType = rXBmp.eType;
    aGraphicObject = rXBmp.aGraphicObject;
    aArraySize = rXBmp.aArraySize;
    aPixelColor = rXBmp.aPixelColor;
    aBckgrColor = rXBmp.aBckgrColor;
    bGraphicDirty = rXBmp.bGraphicDirty;

    if( rXBmp.pPixelArray )
    {
        if( eType == XBITMAP_8X8 )
        {
            pPixelArray = new sal_uInt16[ 64 ];

            for( sal_uInt16 i = 0; i < 64; i++ )
                *( pPixelArray + i ) = *( rXBmp.pPixelArray + i );
        }
    }
}

XOBitmap::~XOBitmap()
{
    delete [] pPixelArray;
}

XOBitmap& XOBitmap::operator=( const XOBitmap& rXBmp )
{
    eType = rXBmp.eType;
    aGraphicObject = rXBmp.aGraphicObject;
    aArraySize = rXBmp.aArraySize;
    aPixelColor = rXBmp.aPixelColor;
    aBckgrColor = rXBmp.aBckgrColor;
    bGraphicDirty = rXBmp.bGraphicDirty;

    if( rXBmp.pPixelArray )
    {
        if( eType == XBITMAP_8X8 )
        {
            pPixelArray = new sal_uInt16[ 64 ];

            for( sal_uInt16 i = 0; i < 64; i++ )
                *( pPixelArray + i ) = *( rXBmp.pPixelArray + i );
        }
    }
    return( *this );
}

int XOBitmap::operator==( const XOBitmap& rXOBitmap ) const
{
    if( eType != rXOBitmap.eType      ||
        aGraphicObject != rXOBitmap.aGraphicObject ||
        aArraySize != rXOBitmap.aArraySize     ||
        aPixelColor != rXOBitmap.aPixelColor ||
        aBckgrColor != rXOBitmap.aBckgrColor ||
        bGraphicDirty != rXOBitmap.bGraphicDirty )
    {
        return( sal_False );
    }

    if( pPixelArray && rXOBitmap.pPixelArray )
    {
        sal_uInt16 nCount = (sal_uInt16) ( aArraySize.Width() * aArraySize.Height() );
        for( sal_uInt16 i = 0; i < nCount; i++ )
        {
            if( *( pPixelArray + i ) != *( rXOBitmap.pPixelArray + i ) )
                return( sal_False );
        }
    }
    return( sal_True );
}

Bitmap XOBitmap::GetBitmap() const
{
    return GetGraphicObject().GetGraphic().GetBitmap();
}

const GraphicObject& XOBitmap::GetGraphicObject() const
{
    if( bGraphicDirty )
        ( (XOBitmap*) this )->Array2Bitmap();

    return aGraphicObject;
}

void XOBitmap::Bitmap2Array()
{
    VirtualDevice   aVD;
    bool            bPixelColor = false;
    const Bitmap    aBitmap( GetBitmap() );
    const sal_uInt16    nLines = 8; // type dependent

    if( !pPixelArray )
        pPixelArray = new sal_uInt16[ nLines * nLines ];

    aVD.SetOutputSizePixel( aBitmap.GetSizePixel() );
    aVD.DrawBitmap( Point(), aBitmap );
    aPixelColor = aBckgrColor = aVD.GetPixel( Point() );

    // create array and determine foreground and background color
    for( sal_uInt16 i = 0; i < nLines; i++ )
    {
        for( sal_uInt16 j = 0; j < nLines; j++ )
        {
            if ( aVD.GetPixel( Point( j, i ) ) == aBckgrColor )
                *( pPixelArray + j + i * nLines ) = 0;
            else
            {
                *( pPixelArray + j + i * nLines ) = 1;
                if( !bPixelColor )
                {
                    aPixelColor = aVD.GetPixel( Point( j, i ) );
                    bPixelColor = true;
                }
            }
        }
    }
}

/// convert array, fore- and background color into a bitmap
void XOBitmap::Array2Bitmap()
{
    VirtualDevice   aVD;
    sal_uInt16          nLines = 8; // type dependent

    if( !pPixelArray )
        return;

    aVD.SetOutputSizePixel( Size( nLines, nLines ) );

    // create bitmap
    for( sal_uInt16 i = 0; i < nLines; i++ )
    {
        for( sal_uInt16 j = 0; j < nLines; j++ )
        {
            if( *( pPixelArray + j + i * nLines ) == 0 )
                aVD.DrawPixel( Point( j, i ), aBckgrColor );
            else
                aVD.DrawPixel( Point( j, i ), aPixelColor );
        }
    }

    aGraphicObject = GraphicObject( aVD.GetBitmap( Point(), Size( nLines, nLines ) ) );
    bGraphicDirty = sal_False;
}

// class XFillBitmapItem

TYPEINIT1_AUTOFACTORY(XFillBitmapItem, NameOrIndex);

XFillBitmapItem::XFillBitmapItem(const OUString& rName, const GraphicObject& rGraphicObject)
:   NameOrIndex(XATTR_FILLBITMAP, rName),
    maGraphicObject(rGraphicObject)
{
}

XFillBitmapItem::XFillBitmapItem(const XFillBitmapItem& rItem)
:   NameOrIndex(rItem),
    maGraphicObject(rItem.maGraphicObject)
{
}

Bitmap createHistorical8x8FromArray(const sal_uInt16* pArray, Color aColorPix, Color aColorBack)
{
    BitmapPalette aPalette(2);

    aPalette[0] = BitmapColor(aColorBack);
    aPalette[1] = BitmapColor(aColorPix);

    Bitmap aBitmap(Size(8, 8), 1, &aPalette);
    BitmapWriteAccess* pContent = aBitmap.AcquireWriteAccess();

    if(pContent)
    {
        for(sal_uInt16 a(0); a < 8; a++)
        {
            for(sal_uInt16 b(0); b < 8; b++)
            {
                if(pArray[(a * 8) + b])
                {
                    pContent->SetPixelIndex(a, b, 1);
                }
                else
                {
                    pContent->SetPixelIndex(a, b, 0);
                }
            }
        }

        aBitmap.ReleaseAccess(pContent);
    }

    return aBitmap;
}

bool SVX_DLLPUBLIC isHistorical8x8(const BitmapEx& rBitmapEx, BitmapColor& o_rBack, BitmapColor& o_rFront)
{
    if(!rBitmapEx.IsTransparent())
    {
        Bitmap aBitmap(rBitmapEx.GetBitmap());

        if(8 == aBitmap.GetSizePixel().Width() && 8 == aBitmap.GetSizePixel().Height())
        {
            if(2 == aBitmap.GetColorCount())
            {
                BitmapReadAccess* pRead = aBitmap.AcquireReadAccess();

                if(pRead)
                {
                    if(pRead->HasPalette() && 2 == pRead->GetPaletteEntryCount())
                    {
                        const BitmapPalette& rPalette = pRead->GetPalette();

                        // #i123564# bachground and foregrund were exchanged; of course
                        // rPalette[0] is the background color
                        o_rFront = rPalette[1];
                        o_rBack = rPalette[0];

                        return true;
                    }
                }
            }
        }
    }

    return false;
}

XFillBitmapItem::XFillBitmapItem(SvStream& rIn, sal_uInt16 nVer)
:   NameOrIndex(XATTR_FILLBITMAP, rIn)
{
    if (!IsIndex())
    {
        if(0 == nVer)
        {
            // work with the old bitmap
            Bitmap aBmp;

            ReadDIB(aBmp, rIn, true);
            maGraphicObject = Graphic(aBmp);
        }
        else if(1 == nVer)
        {
            sal_Int16 iTmp;

            rIn.ReadInt16( iTmp ); // former XBitmapStyle
            rIn.ReadInt16( iTmp ); // former XBitmapType

            if(XBITMAP_IMPORT == iTmp)
            {
                Bitmap aBmp;

                ReadDIB(aBmp, rIn, true);
                maGraphicObject = Graphic(aBmp);
            }
            else if(XBITMAP_8X8 == iTmp)
            {
                sal_uInt16 aArray[64];

                for(sal_uInt16 i(0); i < 64; i++)
                {
                    rIn.ReadUInt16( aArray[i] );
                }

                Color aColorPix;
                Color aColorBack;

                ReadColor( rIn, aColorPix );
                ReadColor( rIn, aColorBack );

                const Bitmap aBitmap(createHistorical8x8FromArray(aArray, aColorPix, aColorBack));

                maGraphicObject = Graphic(aBitmap);
            }
        }
        else if(2 == nVer)
        {
            BitmapEx aBmpEx;

            ReadDIBBitmapEx(aBmpEx, rIn);
            maGraphicObject = Graphic(aBmpEx);
        }
    }
}

XFillBitmapItem::XFillBitmapItem(SfxItemPool* /*pPool*/, const GraphicObject& rGraphicObject)
:   NameOrIndex( XATTR_FILLBITMAP, -1),
    maGraphicObject(rGraphicObject)
{
}

SfxPoolItem* XFillBitmapItem::Clone(SfxItemPool* /*pPool*/) const
{
    return new XFillBitmapItem(*this);
}

bool XFillBitmapItem::operator==(const SfxPoolItem& rItem) const
{
    return (NameOrIndex::operator==(rItem)
        && maGraphicObject == ((const XFillBitmapItem&)rItem).maGraphicObject);
}

SfxPoolItem* XFillBitmapItem::Create(SvStream& rIn, sal_uInt16 nVer) const
{
    return new XFillBitmapItem( rIn, nVer );
}

SvStream& XFillBitmapItem::Store( SvStream& rOut, sal_uInt16 nItemVersion ) const
{
    NameOrIndex::Store(rOut, nItemVersion);

    if(!IsIndex())
    {
        WriteDIBBitmapEx(maGraphicObject.GetGraphic().GetBitmapEx(), rOut);
    }

    return rOut;
}

const GraphicObject& XFillBitmapItem::GetGraphicObject() const
{
    return maGraphicObject;
}

void XFillBitmapItem::SetGraphicObject(const GraphicObject& rGraphicObject)
{
    maGraphicObject = rGraphicObject;
}

sal_uInt16 XFillBitmapItem::GetVersion(sal_uInt16 /*nFileFormatVersion*/) const
{
    return(2);
}

SfxItemPresentation XFillBitmapItem::GetPresentation(
    SfxItemPresentation ePres,
    SfxMapUnit /*eCoreUnit*/,
    SfxMapUnit /*ePresUnit*/,
    OUString& rText,
    const IntlWrapper*) const
{
    switch (ePres)
    {
        case SFX_ITEM_PRESENTATION_NONE:
            rText = OUString();
            return ePres;
        case SFX_ITEM_PRESENTATION_NAMELESS:
        case SFX_ITEM_PRESENTATION_COMPLETE:
            rText += GetName();
            return ePres;
        default:
            return SFX_ITEM_PRESENTATION_NONE;
    }
}

bool XFillBitmapItem::QueryValue(::com::sun::star::uno::Any& rVal, sal_uInt8 nMemberId) const
{
    nMemberId &= ~CONVERT_TWIPS;

    // needed for MID_NAME
    OUString aApiName;
    // needed for complete item (MID 0)
    OUString aInternalName;

    OUString aURL;
    ::com::sun::star::uno::Reference< ::com::sun::star::awt::XBitmap > xBmp;

    if( nMemberId == MID_NAME )
    {
         aApiName = SvxUnogetApiNameForItem(Which(), GetName());
    }
    else if( nMemberId == 0  )
    {
        aInternalName = GetName();
    }

    if( nMemberId == MID_GRAFURL ||
        nMemberId == 0 )
    {
        aURL = UNO_NAME_GRAPHOBJ_URLPREFIX;
        aURL += OStringToOUString(
            GetGraphicObject().GetUniqueID(),
            RTL_TEXTENCODING_ASCII_US);
    }
    if( nMemberId == MID_BITMAP ||
        nMemberId == 0  )
    {
        xBmp.set(VCLUnoHelper::CreateBitmap(GetGraphicObject().GetGraphic().GetBitmapEx()));
    }

    if( nMemberId == MID_NAME )
        rVal <<= aApiName;
    else if( nMemberId == MID_GRAFURL )
        rVal <<= aURL;
    else if( nMemberId == MID_BITMAP )
        rVal <<= xBmp;
    else
    {
        // member-id 0 => complete item (e.g. for toolbars)
        DBG_ASSERT( nMemberId == 0, "invalid member-id" );
        uno::Sequence< beans::PropertyValue > aPropSeq( 3 );

        aPropSeq[0].Name  = "Name";
        aPropSeq[0].Value = uno::makeAny( aInternalName );
        aPropSeq[1].Name  = "FillBitmapURL";
        aPropSeq[1].Value = uno::makeAny( aURL );
        aPropSeq[2].Name  = "Bitmap";
        aPropSeq[2].Value = uno::makeAny( xBmp );

        rVal <<= aPropSeq;
    }

    return true;
}

bool XFillBitmapItem::PutValue( const ::com::sun::star::uno::Any& rVal, sal_uInt8 nMemberId )
{
    nMemberId &= ~CONVERT_TWIPS;

    OUString aName;
    OUString aURL;
    ::com::sun::star::uno::Reference< ::com::sun::star::awt::XBitmap > xBmp;
    ::com::sun::star::uno::Reference< ::com::sun::star::graphic::XGraphic > xGraphic;

    bool bSetName   = false;
    bool bSetURL    = false;
    bool bSetBitmap = false;

    if( nMemberId == MID_NAME )
        bSetName = (rVal >>= aName);
    else if( nMemberId == MID_GRAFURL )
        bSetURL = (rVal >>= aURL);
    else if( nMemberId == MID_BITMAP )
    {
        bSetBitmap = (rVal >>= xBmp);
        if ( !bSetBitmap )
            bSetBitmap = (rVal >>= xGraphic );
    }
    else
    {
        DBG_ASSERT( nMemberId == 0, "invalid member-id" );
        uno::Sequence< beans::PropertyValue >   aPropSeq;
        if( rVal >>= aPropSeq )
        {
            for ( sal_Int32 n = 0; n < aPropSeq.getLength(); n++ )
            {
                if ( aPropSeq[n].Name == "Name" )
                    bSetName = (aPropSeq[n].Value >>= aName);
                else if ( aPropSeq[n].Name == "FillBitmapURL" )
                    bSetURL = (aPropSeq[n].Value >>= aURL);
                else if ( aPropSeq[n].Name == "Bitmap" )
                    bSetBitmap = (aPropSeq[n].Value >>= xBmp);
            }
        }
    }

    if( bSetName )
    {
        SetName( aName );
    }
    if( bSetURL )
    {
        maGraphicObject  = GraphicObject::CreateGraphicObjectFromURL(aURL);

        // #121194# Prefer GraphicObject over bitmap object if both are provided
        if(bSetBitmap && GRAPHIC_NONE != maGraphicObject.GetType())
        {
            bSetBitmap = false;
        }
    }
    if( bSetBitmap )
    {
        if(xBmp.is())
        {
            maGraphicObject = Graphic(VCLUnoHelper::GetBitmap(xBmp));
        }
        else if(xGraphic.is())
        {
            maGraphicObject = Graphic(xGraphic);
        }
    }

    return (bSetName || bSetURL || bSetBitmap);
}

sal_Bool XFillBitmapItem::CompareValueFunc( const NameOrIndex* p1, const NameOrIndex* p2 )
{
    const GraphicObject& aGraphicObjectA(((XFillBitmapItem*)p1)->GetGraphicObject());
    const GraphicObject& aGraphicObjectB(((XFillBitmapItem*)p2)->GetGraphicObject());

    return aGraphicObjectA == aGraphicObjectB;
}

XFillBitmapItem* XFillBitmapItem::checkForUniqueItem( SdrModel* pModel ) const
{
    if( pModel )
    {
        const OUString aUniqueName = NameOrIndex::CheckNamedItem(
                this, XATTR_FILLBITMAP, &pModel->GetItemPool(),
                pModel->GetStyleSheetPool() ? &pModel->GetStyleSheetPool()->GetPool() : NULL,
                XFillBitmapItem::CompareValueFunc, RID_SVXSTR_BMP21,
                pModel->GetPropertyList( XBITMAP_LIST ) );

        // if the given name is not valid, replace it!
        if( aUniqueName != GetName() )
        {
            return new XFillBitmapItem(aUniqueName, maGraphicObject);
        }
    }

    return (XFillBitmapItem*)this;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */