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/* -*- 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/rendering/XGraphicDevice.hpp>
#include <vcl/outdev.hxx>
#include "cairo_surfaceprovider.hxx"
/* Definition of DeviceHelper class */
namespace cairocanvas
{
class DeviceHelper
{
public:
/// make noncopyable
DeviceHelper(const DeviceHelper&) = delete;
const DeviceHelper& operator=(const DeviceHelper&) = delete;
DeviceHelper();
/** init helper
@param rCanvas
Owning canvas.
@param rRefDevice
Reference output device. Needed for resolution
calculations etc.
*/
void init( SurfaceProvider& rSurfaceProvider,
OutputDevice& rRefDevice );
/// Dispose all internal references
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 > const & getColorSpace() const;
/** called when DumpScreenContent property is enabled on
XGraphicDevice, and writes out bitmaps of current screen.
*/
void dumpScreenContent() const;
OutputDevice* getOutputDevice() const { return mpRefDevice; }
const ::cairo::SurfaceSharedPtr& getSurface() const { return mpSurface; }
::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent );
::cairo::SurfaceSharedPtr createSurface( BitmapSystemData const & rData, const Size& rSize );
protected:
/** init helper
@param rCanvas
Owning canvas.
@param rRefDevice
Reference output device. Needed for resolution
calculations etc.
*/
void implInit( SurfaceProvider& rSurfaceProvider,
OutputDevice& rRefDevice );
void setSize( const ::basegfx::B2ISize& rSize );
private:
/** Surface provider
Deliberately not a refcounted reference, because of
potential circular references for canvas. Provides us with
our output surface and associated functionality.
*/
SurfaceProvider* mpSurfaceProvider;
VclPtr<OutputDevice> mpRefDevice;
::cairo::SurfaceSharedPtr mpSurface;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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