xref: /trunk/main/canvas/source/vcl/canvas.hxx (revision 914d351e5f5b84e4342a86d6ab8d4aca7308b9bd)

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 *
 * 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
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#ifndef _VCLCANVAS_CANVAS_HXX_
#define _VCLCANVAS_CANVAS_HXX_

#include <rtl/ref.hxx>

#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/lang/XServiceName.hpp>
#include <com/sun/star/util/XUpdatable.hpp>
#include <com/sun/star/rendering/XBitmapCanvas.hpp>
#include <com/sun/star/rendering/XIntegerBitmap.hpp>
#include <com/sun/star/rendering/XGraphicDevice.hpp>
#include <com/sun/star/rendering/XBufferController.hpp>

#include <cppuhelper/compbase7.hxx>
#include <comphelper/uno3.hxx>

#include <canvas/base/basemutexhelper.hxx>
#include <canvas/base/integerbitmapbase.hxx>
#include <canvas/base/graphicdevicebase.hxx>

#include "canvashelper.hxx"
#include "impltools.hxx"
#include "devicehelper.hxx"
#include "repainttarget.hxx"

#define CANVAS_SERVICE_NAME        "com.sun.star.rendering.Canvas.VCL"
#define CANVAS_IMPLEMENTATION_NAME "com.sun.star.comp.rendering.Canvas.VCL"

namespace vclcanvas
{
    typedef ::cppu::WeakComponentImplHelper7< ::com::sun::star::rendering::XBitmapCanvas,
                                              ::com::sun::star::rendering::XIntegerBitmap,
                                              ::com::sun::star::rendering::XGraphicDevice,
                                              ::com::sun::star::lang::XMultiServiceFactory,
                                              ::com::sun::star::util::XUpdatable,
                                              ::com::sun::star::beans::XPropertySet,
                                              ::com::sun::star::lang::XServiceName >    GraphicDeviceBase_Base;
    typedef ::canvas::GraphicDeviceBase< ::canvas::BaseMutexHelper< GraphicDeviceBase_Base >,
                                           DeviceHelper,
                                           tools::LocalGuard,
                                           ::cppu::OWeakObject >    CanvasBase_Base;
    typedef ::canvas::IntegerBitmapBase< CanvasBase_Base,
                                         CanvasHelper,
                                         tools::LocalGuard,
                                         ::cppu::OWeakObject >      CanvasBaseT;

    /** Product of this component's factory.

        The Canvas object combines the actual Window canvas with
        the XGraphicDevice interface. This is because there's a
        one-to-one relation between them, anyway, since each window
        can have exactly one canvas and one associated
        XGraphicDevice. And to avoid messing around with circular
        references, this is implemented as one single object.
     */
    class Canvas : public CanvasBaseT,
                   public RepaintTarget
    {
    public:
        Canvas( const ::com::sun::star::uno::Sequence<
                      ::com::sun::star::uno::Any >&               aArguments,
                const ::com::sun::star::uno::Reference<
                      ::com::sun::star::uno::XComponentContext >& rxContext );

        void initialize();

        /// For resource tracking
        ~Canvas();

#if defined __SUNPRO_CC
        using CanvasBaseT::disposing;
#endif

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

        // Forwarding the XComponent implementation to the
        // cppu::ImplHelper templated base
        //                                    Classname     Base doing refcounting        Base implementing the XComponent interface
        //                                       |                 |                            |
        //                                       V                 V                            V
        DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( Canvas,   GraphicDeviceBase_Base, ::cppu::WeakComponentImplHelperBase );

        // XServiceName
        virtual ::rtl::OUString SAL_CALL getServiceName(  ) throw (::com::sun::star::uno::RuntimeException);

        // RepaintTarget
        virtual bool repaint( const GraphicObjectSharedPtr&                 rGrf,
                              const com::sun::star::rendering::ViewState&   viewState,
                              const com::sun::star::rendering::RenderState& renderState,
                              const ::Point&                                rPt,
                              const ::Size&                                 rSz,
                              const GraphicAttr&                            rAttr ) const;

    private:
        ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >                maArguments;
        ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > mxComponentContext;
    };

    typedef ::rtl::Reference< Canvas > CanvasRef;
}

#endif