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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 <graphic/UnoGraphicTransformer.hxx>
#include <vcl/graph.hxx>
#include <vcl/BitmapColor.hxx>
#include <vcl/BitmapDuoToneFilter.hxx>
using namespace com::sun::star;
namespace unographic {
GraphicTransformer::GraphicTransformer()
{
}
GraphicTransformer::~GraphicTransformer()
{
}
// 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 )
{
::Graphic aGraphic(rxGraphic);
::Graphic aReturnGraphic;
BitmapColor aBmpColorFrom(static_cast< sal_uInt8 >(nColorFrom), static_cast< sal_uInt8 >(nColorFrom >> 8), static_cast< sal_uInt8 >(nColorFrom >> 16));
BitmapColor aBmpColorTo( static_cast< sal_uInt8 >(nColorTo), static_cast< sal_uInt8 >(nColorTo >> 8), static_cast< sal_uInt8 >(nColorTo >> 16));
Color aColorFrom(aBmpColorFrom);
Color aColorTo(aBmpColorTo);
const sal_uInt8 cIndexFrom = aBmpColorFrom.GetIndex();
if (aGraphic.GetType() == GraphicType::Bitmap ||
aGraphic.GetType() == GraphicType::GdiMetafile)
{
BitmapEx aBitmapEx(aGraphic.GetBitmapEx());
Bitmap aBitmap(aBitmapEx.GetBitmap());
if (aBitmapEx.IsAlpha())
{
aBitmapEx.setAlphaFrom( cIndexFrom, nAlphaTo );
aBitmapEx.Replace(aColorFrom, aColorTo, nTolerance);
aReturnGraphic = ::Graphic(aBitmapEx);
}
else if (aBitmapEx.IsTransparent())
{
if (nAlphaTo == sal::static_int_cast< sal_Int8 >(0xff))
{
Bitmap aMask(aBitmapEx.GetMask());
Bitmap aMask2(aBitmap.CreateMask(aColorFrom, nTolerance));
aMask.CombineSimple(aMask2, BmpCombine::Or);
aBitmap.Replace(aColorFrom, aColorTo, nTolerance);
aReturnGraphic = ::Graphic(BitmapEx(aBitmap, aMask));
}
else
{
aBitmapEx.setAlphaFrom(cIndexFrom, 0xff - nAlphaTo);
aBitmapEx.Replace(aColorFrom, aColorTo, nTolerance);
aReturnGraphic = ::Graphic(aBitmapEx);
}
}
else
{
if ((nAlphaTo == 0) || (nAlphaTo == sal::static_int_cast< sal_Int8 >(0xff)))
{
Bitmap aMask(aBitmap.CreateMask(aColorFrom, nTolerance));
aBitmap.Replace(aColorFrom, aColorTo, nTolerance);
aReturnGraphic = ::Graphic(BitmapEx(aBitmap, aMask));
}
else
{
aBitmapEx.setAlphaFrom(cIndexFrom, nAlphaTo);
aBitmapEx.Replace(aColorFrom, aColorTo, nTolerance);
aReturnGraphic = ::Graphic(aBitmapEx);
}
}
}
aReturnGraphic.setOriginURL(aGraphic.getOriginURL());
return aReturnGraphic.GetXGraphic();
}
uno::Reference< graphic::XGraphic > SAL_CALL GraphicTransformer::applyDuotone(
const uno::Reference< graphic::XGraphic >& rxGraphic, sal_Int32 nColorOne, sal_Int32 nColorTwo )
{
::Graphic aGraphic(rxGraphic);
::Graphic aReturnGraphic;
BitmapEx aBitmapEx( aGraphic.GetBitmapEx() );
AlphaMask aMask( aBitmapEx.GetAlpha() );
BitmapEx aTmpBmpEx(aBitmapEx.GetBitmap());
BitmapFilter::Filter(aTmpBmpEx, BitmapDuoToneFilter(static_cast<sal_uLong>(nColorOne), static_cast<sal_uLong>(nColorTwo)));
aReturnGraphic = ::Graphic( BitmapEx( aTmpBmpEx.GetBitmap(), aMask ) );
aReturnGraphic.setOriginURL(aGraphic.getOriginURL());
return aReturnGraphic.GetXGraphic();
}
uno::Reference< graphic::XGraphic > SAL_CALL GraphicTransformer::applyBrightnessContrast(
const uno::Reference< graphic::XGraphic >& rxGraphic, sal_Int32 nBrightness, sal_Int32 nContrast, sal_Bool mso )
{
::Graphic aGraphic(rxGraphic);
::Graphic aReturnGraphic;
BitmapEx aBitmapEx(aGraphic.GetBitmapEx());
aBitmapEx.Adjust(nBrightness, nContrast, 0, 0, 0, 0, false, mso);
aReturnGraphic = ::Graphic(aBitmapEx);
aReturnGraphic.setOriginURL(aGraphic.getOriginURL());
return aReturnGraphic.GetXGraphic();
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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