canvasbitmap.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#pragma once
 
#include <cppuhelper/compbase.hxx>
 
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/rendering/XBitmapCanvas.hpp>
#include <com/sun/star/rendering/XIntegerBitmap.hpp>
#include <com/sun/star/beans/XFastPropertySet.hpp>
 
#include <vcl/bitmapex.hxx>
 
#include <base/bitmapcanvasbase.hxx>
#include <base/basemutexhelper.hxx>
#include <base/integerbitmapbase.hxx>
#include "canvasbitmaphelper.hxx"
 
#include "impltools.hxx"
#include "repainttarget.hxx"
 
 
/* Definition of CanvasBitmap class */
 
namespace vclcanvas
{
    typedef ::cppu::WeakComponentImplHelper< css::rendering::XBitmapCanvas,
                                             css::rendering::XIntegerBitmap,
                                             css::lang::XServiceInfo,
                                             css::beans::XFastPropertySet >    CanvasBitmapBase_Base;
    typedef ::canvas::IntegerBitmapBase<
        canvas::BitmapCanvasBase2<
            ::canvas::BaseMutexHelper< CanvasBitmapBase_Base >,
            CanvasBitmapHelper,
            tools::LocalGuard,
            ::cppu::OWeakObject> > CanvasBitmap_Base;
 
    class CanvasBitmap : public CanvasBitmap_Base,
                         public RepaintTarget
    {
    public:
        CanvasBitmap( const ::Size&                                rSize,
                      bool                                         bAlphaBitmap,
                      css::rendering::XGraphicDevice&              rDevice,
                      const OutDevProviderSharedPtr&               rOutDevProvider );
 
        CanvasBitmap( const BitmapEx&                              rBitmap,
                      css::rendering::XGraphicDevice&              rDevice,
                      const OutDevProviderSharedPtr&               rOutDevProvider );
 
        // XServiceInfo
        virtual OUString SAL_CALL getImplementationName(  ) override;
        virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
        virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
 
        // RepaintTarget interface
        virtual bool repaint( const GraphicObjectSharedPtr&                   rGrf,
                              const css::rendering::ViewState&   viewState,
                              const css::rendering::RenderState& renderState,
                              const ::Point&                                  rPt,
                              const ::Size&                                   rSz,
                              const GraphicAttr&                              rAttr ) const override;
 
        BitmapEx getBitmap() const;
 
        // XFastPropertySet
        // used to retrieve BitmapEx pointer or X Pixmap handles for this bitmap
        // handle values have these meanings:
        // 0 ... get pointer to BitmapEx
        // 1 ... get X pixmap handle to rgb content
        // 2 ... get X pixmap handle to alpha mask
        // returned any contains either BitmapEx pointer or array of three Any value
        //     1st a bool value: true - free the pixmap after used by XFreePixmap, false do nothing, the pixmap is used internally in the canvas
        //     2nd the pixmap handle (sal_Int64)
        //     3rd the pixmap depth
        virtual css::uno::Any SAL_CALL getFastPropertyValue(sal_Int32 nHandle) override;
        virtual void SAL_CALL setFastPropertyValue(sal_Int32, const css::uno::Any&) override {}
 
    private:
        css::uno::Reference<css::rendering::XGraphicDevice> mxDevice;
    };
}
 
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