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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 <sal/config.h>
#include <cppuhelper/supportsservice.hxx>
#include <tools/diagnose_ex.h>
#include <vcl/bitmapaccess.hxx>
#include "canvasbitmap.hxx"
using namespace ::com::sun::star;
namespace vclcanvas
{
// Currently, the only way to generate an XBitmap is from
// XGraphicDevice.getCompatibleBitmap(). Therefore, we don't even
// take a bitmap here, but a VDev directly.
CanvasBitmap::CanvasBitmap( const ::Size& rSize,
bool bAlphaBitmap,
rendering::XGraphicDevice& rDevice,
const OutDevProviderSharedPtr& rOutDevProvider )
{
// create bitmap for given reference device
// ========================================
const sal_uInt16 nBitCount( (sal_uInt16)24U );
const BitmapPalette* pPalette = nullptr;
Bitmap aBitmap( rSize, nBitCount, pPalette );
// only create alpha channel bitmap, if factory requested
// that. Providing alpha-channeled bitmaps by default has,
// especially under VCL, a huge performance penalty (have to
// use alpha VDev, then).
if( bAlphaBitmap )
{
AlphaMask aAlpha ( rSize );
maCanvasHelper.init( BitmapEx( aBitmap, aAlpha ),
rDevice,
rOutDevProvider );
}
else
{
maCanvasHelper.init( BitmapEx( aBitmap ),
rDevice,
rOutDevProvider );
}
}
CanvasBitmap::CanvasBitmap( const BitmapEx& rBitmap,
rendering::XGraphicDevice& rDevice,
const OutDevProviderSharedPtr& rOutDevProvider )
{
maCanvasHelper.init( rBitmap, rDevice, rOutDevProvider );
}
OUString SAL_CALL CanvasBitmap::getImplementationName( ) throw (uno::RuntimeException, std::exception)
{
return OUString( "VCLCanvas.CanvasBitmap" );
}
sal_Bool SAL_CALL CanvasBitmap::supportsService( const OUString& ServiceName ) throw (uno::RuntimeException, std::exception)
{
return cppu::supportsService( this, ServiceName );
}
uno::Sequence< OUString > SAL_CALL CanvasBitmap::getSupportedServiceNames( ) throw (uno::RuntimeException, std::exception)
{
uno::Sequence< OUString > aRet { "com.sun.star.rendering.CanvasBitmap" };
return aRet;
}
BitmapEx CanvasBitmap::getBitmap() const
{
SolarMutexGuard aGuard;
// TODO(T3): Rework to use shared_ptr all over the place for
// BmpEx. This is highly un-threadsafe
return maCanvasHelper.getBitmap();
}
bool CanvasBitmap::repaint( const GraphicObjectSharedPtr& rGrf,
const rendering::ViewState& viewState,
const rendering::RenderState& renderState,
const ::Point& rPt,
const ::Size& rSz,
const GraphicAttr& rAttr ) const
{
SolarMutexGuard aGuard;
mbSurfaceDirty = true;
return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr );
}
uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle ) throw (uno::RuntimeException, std::exception)
{
if( nHandle == 0 ) {
BitmapEx* pBitmapEx = new BitmapEx( getBitmap() );
return uno::Any( reinterpret_cast<sal_Int64>( pBitmapEx ) );
}
return uno::Any( sal_Int64(0) );
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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