dx_devicehelper.hxx

Go to the documentation of this file.

/* -*- 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 .
 */
 
#pragma once
 
#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 <rendering/isurfaceproxymanager.hxx>
#include <vcl/vclptr.hxx>
 
class OutputDevice;
/* Definition of DeviceHelper class */
 
namespace dxcanvas
{
    class DeviceHelper
    {
    public:
        DeviceHelper();
        ~DeviceHelper();
 
        DeviceHelper(const DeviceHelper&) = delete;
        const DeviceHelper& operator=(const DeviceHelper&) = delete;
 
        void init( HDC hdc, OutputDevice* pOutputDev,
                   css::rendering::XGraphicDevice& rDevice );
 
        void disposing();
 
        // XWindowGraphicDevice
        css::geometry::RealSize2D getPhysicalResolution();
        css::geometry::RealSize2D getPhysicalSize();
        css::uno::Reference< css::rendering::XLinePolyPolygon2D > createCompatibleLinePolyPolygon(
            const css::uno::Reference< css::rendering::XGraphicDevice >&                               rDevice,
            const css::uno::Sequence< css::uno::Sequence< css::geometry::RealPoint2D > >& points );
        css::uno::Reference< css::rendering::XBezierPolyPolygon2D > createCompatibleBezierPolyPolygon(
            const css::uno::Reference< css::rendering::XGraphicDevice >&                                       rDevice,
            const css::uno::Sequence< css::uno::Sequence< css::geometry::RealBezierSegment2D > >& points );
        css::uno::Reference< css::rendering::XBitmap > createCompatibleBitmap(
            const css::uno::Reference< css::rendering::XGraphicDevice >&  rDevice,
            const css::geometry::IntegerSize2D&                                        size );
        css::uno::Reference< css::rendering::XVolatileBitmap > createVolatileBitmap(
            const css::uno::Reference< css::rendering::XGraphicDevice >&  rDevice,
            const css::geometry::IntegerSize2D&                                        size );
        css::uno::Reference< css::rendering::XBitmap > createCompatibleAlphaBitmap(
            const css::uno::Reference< css::rendering::XGraphicDevice >&  rDevice,
            const css::geometry::IntegerSize2D&                                        size );
        css::uno::Reference< css::rendering::XVolatileBitmap > createVolatileAlphaBitmap(
            const css::uno::Reference< css::rendering::XGraphicDevice >&  rDevice,
            const css::geometry::IntegerSize2D&                                        size );
 
        css::uno::Any isAccelerated() const;
        css::uno::Any getDeviceHandle() const;
        css::uno::Any getSurfaceHandle() const;
        css::uno::Reference<
            css::rendering::XColorSpace > getColorSpace() const;
 
        void dumpScreenContent() const {}
 
    protected:
        HDC getHDC() const { return mnHDC; }
        css::rendering::XGraphicDevice* getDevice() const { return mpDevice; }
 
    private:
        css::rendering::XGraphicDevice*            mpDevice;
        HDC                                        mnHDC;
        VclPtr<OutputDevice>                       mpOutDev;
    };
 
    typedef ::rtl::Reference< css::rendering::XGraphicDevice > DeviceRef;
}
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */