82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef _CAIROCANVAS_SURFACEPROVIDER_HXX
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#define _CAIROCANVAS_SURFACEPROVIDER_HXX
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#include <rtl/ref.hxx>
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#include <com/sun/star/uno/XInterface.hpp>
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#include "cairo_cairo.hxx"
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using namespace ::cairo;
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class OutputDevice;
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class Bitmap;
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namespace cairocanvas
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{
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class Bitmap;
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/* Definition of RepaintTarget interface */
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/** Target interface for XCachedPrimitive implementations
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This interface must be implemented on all canvas
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implementations that hand out XCachedPrimitives
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*/
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class SurfaceProvider : public ::com::sun::star::uno::XInterface
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{
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public:
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virtual ~SurfaceProvider() {}
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/** Query surface from this provider
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This should return the default surface to render on.
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*/
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virtual SurfaceSharedPtr getSurface() = 0;
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/// create new surface in given size
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virtual SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize,
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Content aContent = CAIRO_CONTENT_COLOR_ALPHA ) = 0;
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/// create new surface from given bitmap
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virtual SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) = 0;
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/** convert surface between alpha and non-alpha
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channel. returns new surface on success, NULL otherwise
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*/
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virtual SurfaceSharedPtr changeSurface( bool bHasAlpha, bool bCopyContent ) = 0;
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/** Provides the underlying vcl outputdevice this surface renders on
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*/
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virtual OutputDevice* getOutputDevice() = 0;
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};
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typedef ::rtl::Reference< SurfaceProvider > SurfaceProviderRef;
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}
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#endif
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