122 lines
4.2 KiB
C++
122 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <cppuhelper/supportsservice.hxx>
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#include "canvasbitmap.hxx"
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using namespace ::com::sun::star;
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namespace vclcanvas
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{
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// Currently, the only way to generate an XBitmap is from
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// XGraphicDevice.getCompatibleBitmap(). Therefore, we don't even
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// take a bitmap here, but a VDev directly.
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CanvasBitmap::CanvasBitmap( const ::Size& rSize,
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bool bAlphaBitmap,
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rendering::XGraphicDevice& rDevice,
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const OutDevProviderSharedPtr& rOutDevProvider )
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{
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// create bitmap for given reference device
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// ========================================
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Bitmap aBitmap(rSize, vcl::PixelFormat::N24_BPP);
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// only create alpha channel bitmap, if factory requested
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// that. Providing alpha-channeled bitmaps by default has,
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// especially under VCL, a huge performance penalty (have to
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// use alpha VDev, then).
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if( bAlphaBitmap )
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{
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AlphaMask aAlpha ( rSize );
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maCanvasHelper.init( BitmapEx( aBitmap, aAlpha ),
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rDevice,
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rOutDevProvider );
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}
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else
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{
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maCanvasHelper.init( BitmapEx( aBitmap ),
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rDevice,
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rOutDevProvider );
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}
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}
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CanvasBitmap::CanvasBitmap( const BitmapEx& rBitmap,
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rendering::XGraphicDevice& rDevice,
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const OutDevProviderSharedPtr& rOutDevProvider )
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{
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maCanvasHelper.init( rBitmap, rDevice, rOutDevProvider );
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}
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OUString SAL_CALL CanvasBitmap::getImplementationName( )
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{
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return u"VCLCanvas.CanvasBitmap"_ustr;
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}
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sal_Bool SAL_CALL CanvasBitmap::supportsService( const OUString& ServiceName )
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{
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return cppu::supportsService( this, ServiceName );
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}
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uno::Sequence< OUString > SAL_CALL CanvasBitmap::getSupportedServiceNames( )
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{
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return { u"com.sun.star.rendering.CanvasBitmap"_ustr };
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}
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BitmapEx CanvasBitmap::getBitmap() const
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{
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SolarMutexGuard aGuard;
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// TODO(T3): Rework to use shared_ptr all over the place for
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// BmpEx. This is highly un-threadsafe
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return maCanvasHelper.getBitmap();
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}
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bool CanvasBitmap::repaint( const GraphicObjectSharedPtr& rGrf,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState,
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const ::Point& rPt,
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const ::Size& rSz,
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const GraphicAttr& rAttr ) const
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{
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SolarMutexGuard aGuard;
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mbSurfaceDirty = true;
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return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr );
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}
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uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle )
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{
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if( nHandle == 0 ) {
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BitmapEx* pBitmapEx = new BitmapEx( getBitmap() );
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return uno::Any( reinterpret_cast<sal_Int64>( pBitmapEx ) );
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}
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return uno::Any( sal_Int64(0) );
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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