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#ifndef _DXCANVAS_DEVICEHELPER_HXX
#define _DXCANVAS_DEVICEHELPER_HXX

#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/rendering/XGraphicDevice.hpp>
#include <com/sun/star/rendering/XBufferController.hpp>

#include "dx_rendermodule.hxx"
#include "dx_bitmap.hxx"

#include <canvas/rendering/isurfaceproxymanager.hxx>

#include <boost/utility.hpp>


/* Definition of DeviceHelper class */

namespace dxcanvas
{
    class DeviceHelper : private ::boost::noncopyable
    {
    public:
        DeviceHelper();

        /** Init the device helper

            @param hdc
            private or class dc of the output device. is only stored,
            not release

            @param rDevice
            Ref back to owning UNO device
         */
        void init( HDC                                        hdc,
                   com::sun::star::rendering::XGraphicDevice& rDevice );

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

        // XWindowGraphicDevice
        ::com::sun::star::geometry::RealSize2D getPhysicalResolution();
        ::com::sun::star::geometry::RealSize2D getPhysicalSize();
        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XLinePolyPolygon2D > createCompatibleLinePolyPolygon(
            const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&                               rDevice,
            const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > >& points );
        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBezierPolyPolygon2D > createCompatibleBezierPolyPolygon(
            const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&                                       rDevice,
            const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealBezierSegment2D > >& points );
        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap > createCompatibleBitmap(
            const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&  rDevice,
            const ::com::sun::star::geometry::IntegerSize2D&                                        size );
        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XVolatileBitmap > createVolatileBitmap(
            const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&  rDevice,
            const ::com::sun::star::geometry::IntegerSize2D&                                        size );
        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap > createCompatibleAlphaBitmap(
            const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&  rDevice,
            const ::com::sun::star::geometry::IntegerSize2D&                                        size );
        ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XVolatileBitmap > createVolatileAlphaBitmap(
            const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&  rDevice,
            const ::com::sun::star::geometry::IntegerSize2D&                                        size );

        sal_Bool hasFullScreenMode();
        sal_Bool enterFullScreenMode( sal_Bool bEnter );

        ::com::sun::star::uno::Any isAccelerated() const;
        ::com::sun::star::uno::Any getDeviceHandle() const;
        ::com::sun::star::uno::Any getSurfaceHandle() const;
        ::com::sun::star::uno::Reference<
            ::com::sun::star::rendering::XColorSpace > getColorSpace() const;

        /** called when DumpScreenContent property is enabled on
            XGraphicDevice, and writes out bitmaps of current screen.
         */
        void dumpScreenContent() const {}

    protected:
        HDC getHDC() const { return mnHDC; }
        com::sun::star::rendering::XGraphicDevice* getDevice() const { return mpDevice; }

    private:
        /** Phyical output device

            Deliberately not a refcounted reference, because of
            potential circular references for canvas. Needed to
            create bitmaps
         */
        com::sun::star::rendering::XGraphicDevice* mpDevice;
        HDC                                        mnHDC;
    };

    typedef ::rtl::Reference< com::sun::star::rendering::XGraphicDevice > DeviceRef;
}

#endif /* _DXCANVAS_DEVICEHELPER_HXX */

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