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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: */