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Diffstat (limited to 'canvas/source/tools/parametricpolypolygon.cxx')
| -rw-r--r-- | canvas/source/tools/parametricpolypolygon.cxx | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/canvas/source/tools/parametricpolypolygon.cxx b/canvas/source/tools/parametricpolypolygon.cxx new file mode 100644 index 000000000..acad3b58b --- /dev/null +++ b/canvas/source/tools/parametricpolypolygon.cxx @@ -0,0 +1,238 @@ +/* -*- 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 + { + std::unique_lock aGuard( m_aMutex ); + + return maValues; + } + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |