xref: /aoo41x/main/canvas/source/null/null_canvasbitmap.hxx (revision 91c99ff4)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



#ifndef _NULLCANVAS_CANVASBITMAP_HXX
#define _NULLCANVAS_CANVASBITMAP_HXX

#include <cppuhelper/compbase3.hxx>

#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/rendering/XBitmapCanvas.hpp>
#include <com/sun/star/rendering/XIntegerBitmap.hpp>

#include <basegfx/vector/b2isize.hxx>

#include <boost/shared_ptr.hpp>

#include <canvas/base/integerbitmapbase.hxx>

#include "null_canvashelper.hxx"
#include "null_spritecanvas.hxx"
#include "null_usagecounter.hxx"


/* Definition of CanvasBitmap class */

namespace nullcanvas
{
    typedef ::cppu::WeakComponentImplHelper3< ::com::sun::star::rendering::XBitmapCanvas,
											  ::com::sun::star::rendering::XIntegerBitmap,
                         					  ::com::sun::star::lang::XServiceInfo >  	CanvasBitmapBase_Base;
    typedef ::canvas::IntegerBitmapBase< ::canvas::BaseMutexHelper< CanvasBitmapBase_Base >,
                                         CanvasHelper,
                                         ::osl::MutexGuard,
                                         ::cppu::OWeakObject >							CanvasBitmap_Base;

    class CanvasBitmap : public CanvasBitmap_Base,
                         private UsageCounter< CanvasBitmap >
    {
    public:
        /** Create a canvas bitmap for the given surface

            @param rSize
            Size of the bitmap

            @param rDevice
            Reference device, with which bitmap should be compatible
         */
        CanvasBitmap( const ::basegfx::B2ISize& rSize,
                      const DeviceRef&          rDevice,
                      bool                      bHasAlpha );

        /// Dispose all internal references
        virtual void SAL_CALL disposing();

        // XServiceInfo
        virtual ::rtl::OUString SAL_CALL getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException);
        virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException);
        virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException);

    private:
        /** MUST hold here, too, since CanvasHelper only contains a
            raw pointer (without refcounting)
        */
        DeviceRef               mpDevice;
    };
}

#endif /* _NULLCANVAS_CANVASBITMAP_HXX */