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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/lang/XServiceInfo.hpp>
#include <com/sun/star/rendering/XParametricPolyPolygon2D.hpp>
#include <comphelper/compbase.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <canvas/canvastoolsdllapi.h>
#include <rtl/ref.hxx>
#include <utility>
namespace com::sun::star::rendering { class XGraphicDevice; }
/* Definition of ParametricPolyPolygon class */
namespace canvas
{
typedef comphelper::WeakComponentImplHelper< css::rendering::XParametricPolyPolygon2D,
css::lang::XServiceInfo > ParametricPolyPolygon_Base;
class CANVASTOOLS_DLLPUBLIC ParametricPolyPolygon final : public ParametricPolyPolygon_Base
{
public:
enum class GradientType
{
Linear,
Elliptical,
Rectangular
};
/** Structure of defining values for the ParametricPolyPolygon
This is used to copy the state of the
ParametricPolyPolygon atomically.
*/
struct Values
{
Values( ::basegfx::B2DPolygon aGradientPoly,
const css::uno::Sequence< css::uno::Sequence< double > >& rColors,
const css::uno::Sequence< double >& rStops,
double nAspectRatio,
GradientType eType ) :
maGradientPoly(std::move( aGradientPoly )),
mnAspectRatio( nAspectRatio ),
maColors( rColors ),
maStops( rStops ),
meType( eType )
{
}
/// Polygonal gradient shape (ignored for linear and axial gradient)
const ::basegfx::B2DPolygon maGradientPoly;
/// Aspect ratio of gradient, affects scaling of innermost gradient polygon
const double mnAspectRatio;
/// Gradient colors
const css::uno::Sequence< css::uno::Sequence< double > > maColors;
/// Gradient color stops
const css::uno::Sequence< double > maStops;
/// Type of gradient to render (as e.g. linear grads are not represented by maGradientPoly)
const GradientType meType;
};
static css::uno::Sequence< OUString > getAvailableServiceNames();
static rtl::Reference<ParametricPolyPolygon> create(
const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
std::u16string_view rServiceName,
const css::uno::Sequence< css::uno::Any >& rArgs );
/// Dispose all internal references
virtual void disposing(std::unique_lock<std::mutex>&) override;
// XParametricPolyPolygon2D
virtual css::uno::Reference< css::rendering::XPolyPolygon2D > SAL_CALL getOutline( double t ) override;
virtual css::uno::Sequence< double > SAL_CALL getColor( double t ) override;
virtual css::uno::Sequence< double > SAL_CALL getPointColor( const css::geometry::RealPoint2D& point ) override;
virtual css::uno::Reference< css::rendering::XColorSpace > SAL_CALL getColorSpace() override;
// 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;
/// Query all defining values of this object atomically
Values getValues() const;
private:
virtual ~ParametricPolyPolygon() override; // we're a ref-counted UNO class. _We_ destroy ourselves.
ParametricPolyPolygon(const ParametricPolyPolygon&) = delete;
ParametricPolyPolygon& operator=( const ParametricPolyPolygon& ) = delete;
static rtl::Reference<ParametricPolyPolygon> createLinearHorizontalGradient( const css::uno::Reference<
css::rendering::XGraphicDevice >& rDevice,
const css::uno::Sequence< css::uno::Sequence< double > >& colors,
const css::uno::Sequence< double >& stops );
static rtl::Reference<ParametricPolyPolygon> createEllipticalGradient( const css::uno::Reference<
css::rendering::XGraphicDevice >& rDevice,
const css::uno::Sequence< css::uno::Sequence< double > >& colors,
const css::uno::Sequence< double >& stops,
double fAspect );
static rtl::Reference<ParametricPolyPolygon> createRectangularGradient( const css::uno::Reference<
css::rendering::XGraphicDevice >& rDevice,
const css::uno::Sequence< css::uno::Sequence< double > >& colors,
const css::uno::Sequence< double >& stops,
double fAspect );
/// Private, because objects can only be created from the static factories
ParametricPolyPolygon( css::uno::Reference<
css::rendering::XGraphicDevice > xDevice,
const ::basegfx::B2DPolygon& rGradientPoly,
GradientType eType,
const css::uno::Sequence< css::uno::Sequence< double > >& colors,
const css::uno::Sequence< double >& stops,
double nAspectRatio );
ParametricPolyPolygon( css::uno::Reference<
css::rendering::XGraphicDevice > xDevice,
GradientType eType,
const css::uno::Sequence< css::uno::Sequence< double > >& colors,
const css::uno::Sequence< double >& stops );
css::uno::Reference<
css::rendering::XGraphicDevice > mxDevice;
/// All defining values of this object
const Values maValues;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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