libreoffice/canvas/source/directx/dx_devicehelper.hxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   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 .
 */

#ifndef INCLUDED_CANVAS_SOURCE_DIRECTX_DX_DEVICEHELPER_HXX
#define INCLUDED_CANVAS_SOURCE_DIRECTX_DX_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 <vcl/vclptr.hxx>
#include <boost/utility.hpp>

class OutputDevice;
/* Definition of DeviceHelper class */

namespace dxcanvas
{
    class DeviceHelper : private ::boost::noncopyable
    {
    public:
        DeviceHelper();
        ~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, OutputDevice* pOutputDev,
                   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 );

        ::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;
        VclPtr<OutputDevice>                       mpOutDev;
    };

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

#endif // INCLUDED_CANVAS_SOURCE_DIRECTX_DX_DEVICEHELPER_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */