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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 <osl/mutex.hxx>
#include <vcl/svapp.hxx>
#include <vcl/image.hxx>
#include <vcl/metaact.hxx>
#include <tools/rcid.h>
#include <tools/resid.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <svl/solar.hrc>
#include <vcl/salbtype.hxx>
#include <vcl/virdev.hxx>
#include <vcl/bmpacc.hxx>
#include <com/sun/star/text/GraphicCrop.hpp>
#include "graphic.hxx"
#include "transformer.hxx"
using namespace com::sun::star;
namespace unographic {
// ----------------------
// - GraphicTransformer -
// ----------------------
GraphicTransformer::GraphicTransformer()
{
}
// ------------------------------------------------------------------------------
GraphicTransformer::~GraphicTransformer()
{
}
// ------------------------------------------------------------------------------
void setAlpha( Bitmap& rBitmap, AlphaMask& rAlpha, sal_Int32 nColorFrom, sal_Int8 nAlphaTo )
{
BitmapWriteAccess* pWriteAccess = rAlpha.AcquireWriteAccess();
BitmapReadAccess* pReadAccess = rBitmap.AcquireReadAccess();
BitmapColor aColorFrom( static_cast< sal_uInt8 >( nColorFrom >> 16 ),
static_cast< sal_uInt8 >( nColorFrom >> 8 ),
static_cast< sal_uInt8 >( nColorFrom ) );
if ( pReadAccess && pWriteAccess )
{
for ( sal_Int32 nY = 0; nY < pReadAccess->Height(); nY++ )
{
for ( sal_Int32 nX = 0; nX < pReadAccess->Width(); nX++ )
{
BitmapColor aColor( pReadAccess->GetPixel( nY, nX ) );
if ( aColor == aColorFrom )
pWriteAccess->SetPixel( nY, nX, nAlphaTo );
}
}
}
rBitmap.ReleaseAccess( pReadAccess );
rAlpha.ReleaseAccess( pWriteAccess );
}
// XGraphicTransformer
uno::Reference< graphic::XGraphic > SAL_CALL GraphicTransformer::colorChange(
const uno::Reference< graphic::XGraphic >& rxGraphic, sal_Int32 nColorFrom, sal_Int8 nTolerance, sal_Int32 nColorTo, sal_Int8 nAlphaTo )
throw ( lang::IllegalArgumentException, uno::RuntimeException)
{
const uno::Reference< uno::XInterface > xIFace( rxGraphic, uno::UNO_QUERY );
::Graphic aGraphic( *::unographic::Graphic::getImplementation( xIFace ) );
BitmapColor aColorFrom( static_cast< sal_uInt8 >( nColorFrom ), static_cast< sal_uInt8 >( nColorFrom >> 8 ), static_cast< sal_uInt8 >( nColorFrom >> 16 ) );
BitmapColor aColorTo( static_cast< sal_uInt8 >( nColorTo ), static_cast< sal_uInt8 >( nColorTo >> 8 ), static_cast< sal_uInt8 >( nColorTo >> 16 ) );
if ( aGraphic.GetType() == GRAPHIC_BITMAP )
{
BitmapEx aBitmapEx( aGraphic.GetBitmapEx() );
Bitmap aBitmap( aBitmapEx.GetBitmap() );
if ( aBitmapEx.IsAlpha() )
{
AlphaMask aAlphaMask( aBitmapEx.GetAlpha() );
setAlpha( aBitmap, aAlphaMask, aColorFrom, nAlphaTo );
aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
aGraphic = ::Graphic( BitmapEx( aBitmap, aAlphaMask ) );
}
else if ( aBitmapEx.IsTransparent() )
{
if ( ( nAlphaTo == 0 ) || ( nAlphaTo == sal::static_int_cast<sal_Int8>(0xff) ) )
{
Bitmap aMask( aBitmapEx.GetMask() );
Bitmap aMask2( aBitmap.CreateMask( aColorFrom, nTolerance ) );
aMask.CombineSimple( aMask2, BMP_COMBINE_OR );
aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
aGraphic = ::Graphic( BitmapEx( aBitmap, aMask ) );
}
else
{
AlphaMask aAlphaMask( aBitmapEx.GetMask() );
setAlpha( aBitmap, aAlphaMask, aColorFrom, nAlphaTo );
aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
aGraphic = ::Graphic( BitmapEx( aBitmap, aAlphaMask ) );
}
}
else
{
if ( ( nAlphaTo == 0 ) || ( nAlphaTo == sal::static_int_cast<sal_Int8>(0xff) ) )
{
Bitmap aMask( aBitmap.CreateMask( aColorFrom, nTolerance ) );
aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
aGraphic = ::Graphic( BitmapEx( aBitmap, aMask ) );
}
else
{
AlphaMask aAlphaMask( aBitmapEx.GetSizePixel() );
setAlpha( aBitmap, aAlphaMask, aColorFrom, nAlphaTo );
aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
aGraphic = ::Graphic( BitmapEx( aBitmap, aAlphaMask ) );
}
}
}
::unographic::Graphic* pUnoGraphic = new ::unographic::Graphic();
pUnoGraphic->init( aGraphic );
uno::Reference< graphic::XGraphic > xRet( pUnoGraphic );
return xRet;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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