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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 .
*/
#include <sal/config.h>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/range/b2drectangle.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <com/sun/star/rendering/XGraphicDevice.hpp>
#include <parametricpolypolygon.hxx>
#include <utility>
using namespace ::com::sun::star;
namespace canvas
{
uno::Sequence<OUString> ParametricPolyPolygon::getAvailableServiceNames()
{
return {"LinearGradient",
"EllipticalGradient",
"RectangularGradient"};
}
rtl::Reference<ParametricPolyPolygon> ParametricPolyPolygon::create(
const uno::Reference< rendering::XGraphicDevice >& rDevice,
std::u16string_view rServiceName,
const uno::Sequence< uno::Any >& rArgs )
{
double fAspectRatio=1.0;
// defaults
uno::Sequence< uno::Sequence< double > > colorSequence{
rDevice->getDeviceColorSpace()->convertFromRGB({ rendering::RGBColor(0,0,0) }),
rDevice->getDeviceColorSpace()->convertFromRGB({ rendering::RGBColor(1,1,1) })
};
uno::Sequence< double > colorStops{ 0, 1 };
// extract args
for( const uno::Any& rArg : rArgs )
{
beans::PropertyValue aProp;
if( rArg >>= aProp )
{
if ( aProp.Name == "Colors" )
{
aProp.Value >>= colorSequence;
}
else if ( aProp.Name == "Stops" )
{
aProp.Value >>= colorStops;
}
else if ( aProp.Name == "AspectRatio" )
{
aProp.Value >>= fAspectRatio;
}
}
}
if ( rServiceName == u"LinearGradient" )
{
return createLinearHorizontalGradient(rDevice, colorSequence, colorStops);
}
else if ( rServiceName == u"EllipticalGradient" )
{
return createEllipticalGradient(rDevice, colorSequence, colorStops, fAspectRatio);
}
else if ( rServiceName == u"RectangularGradient" )
{
return createRectangularGradient(rDevice, colorSequence, colorStops, fAspectRatio);
}
else if ( rServiceName == u"VerticalLineHatch" )
{
// TODO: NYI
}
else if ( rServiceName == u"OrthogonalLinesHatch" )
{
// TODO: NYI
}
else if ( rServiceName == u"ThreeCrossingLinesHatch" )
{
// TODO: NYI
}
else if ( rServiceName == u"FourCrossingLinesHatch" )
{
// TODO: NYI
}
return nullptr;
}
rtl::Reference<ParametricPolyPolygon> ParametricPolyPolygon::createLinearHorizontalGradient(
const uno::Reference< rendering::XGraphicDevice >& rDevice,
const uno::Sequence< uno::Sequence< double > >& colors,
const uno::Sequence< double >& stops )
{
// TODO(P2): hold gradient brush statically, and only setup
// the colors
return new ParametricPolyPolygon( rDevice, GradientType::Linear, colors, stops );
}
rtl::Reference<ParametricPolyPolygon> ParametricPolyPolygon::createEllipticalGradient(
const uno::Reference< rendering::XGraphicDevice >& rDevice,
const uno::Sequence< uno::Sequence< double > >& colors,
const uno::Sequence< double >& stops,
double fAspectRatio )
{
// TODO(P2): hold gradient polygon statically, and only setup
// the colors
return new ParametricPolyPolygon(
rDevice,
::basegfx::utils::createPolygonFromCircle(
::basegfx::B2DPoint(0,0), 1 ),
GradientType::Elliptical,
colors, stops, fAspectRatio );
}
rtl::Reference<ParametricPolyPolygon> ParametricPolyPolygon::createRectangularGradient( const uno::Reference< rendering::XGraphicDevice >& rDevice,
const uno::Sequence< uno::Sequence< double > >& colors,
const uno::Sequence< double >& stops,
double fAspectRatio )
{
// TODO(P2): hold gradient polygon statically, and only setup
// the colors
return new ParametricPolyPolygon(
rDevice,
::basegfx::utils::createPolygonFromRect(
::basegfx::B2DRectangle( -1, -1, 1, 1 ) ),
GradientType::Rectangular,
colors, stops, fAspectRatio );
}
void ParametricPolyPolygon::disposing(std::unique_lock<std::mutex>&)
{
mxDevice.clear();
}
uno::Reference< rendering::XPolyPolygon2D > SAL_CALL ParametricPolyPolygon::getOutline( double /*t*/ )
{
// TODO(F1): outline NYI
return uno::Reference< rendering::XPolyPolygon2D >();
}
uno::Sequence< double > SAL_CALL ParametricPolyPolygon::getColor( double /*t*/ )
{
// TODO(F1): color NYI
return uno::Sequence< double >();
}
uno::Sequence< double > SAL_CALL ParametricPolyPolygon::getPointColor( const geometry::RealPoint2D& /*point*/ )
{
// TODO(F1): point color NYI
return uno::Sequence< double >();
}
uno::Reference< rendering::XColorSpace > SAL_CALL ParametricPolyPolygon::getColorSpace()
{
std::unique_lock aGuard( m_aMutex );
return mxDevice.is() ? mxDevice->getDeviceColorSpace() : uno::Reference< rendering::XColorSpace >();
}
OUString SAL_CALL ParametricPolyPolygon::getImplementationName( )
{
return "Canvas::ParametricPolyPolygon";
}
sal_Bool SAL_CALL ParametricPolyPolygon::supportsService( const OUString& ServiceName )
{
return cppu::supportsService(this, ServiceName);
}
uno::Sequence< OUString > SAL_CALL ParametricPolyPolygon::getSupportedServiceNames( )
{
return { "com.sun.star.rendering.ParametricPolyPolygon" };
}
ParametricPolyPolygon::~ParametricPolyPolygon()
{
}
ParametricPolyPolygon::ParametricPolyPolygon( uno::Reference< rendering::XGraphicDevice > xDevice,
const ::basegfx::B2DPolygon& rGradientPoly,
GradientType eType,
const uno::Sequence< uno::Sequence< double > >& rColors,
const uno::Sequence< double >& rStops,
double nAspectRatio ) :
mxDevice(std::move( xDevice )),
maValues( rGradientPoly,
rColors,
rStops,
nAspectRatio,
eType )
{
}
ParametricPolyPolygon::ParametricPolyPolygon( uno::Reference< rendering::XGraphicDevice > xDevice,
GradientType eType,
const uno::Sequence< uno::Sequence< double > >& rColors,
const uno::Sequence< double >& rStops ) :
mxDevice(std::move( xDevice )),
maValues( ::basegfx::B2DPolygon(),
rColors,
rStops,
1.0,
eType )
{
}
ParametricPolyPolygon::Values ParametricPolyPolygon::getValues() const
{
return maValues;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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