Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 152 insertions, 0 deletions

diff --git a/canvas/inc/parametricpolypolygon.hxx b/canvas/inc/parametricpolypolygon.hxx
new file mode 100644
index 000000000..474bd5da2
--- /dev/null
+++ b/canvas/inc/parametricpolypolygon.hxx
@@ -0,0 +1,152 @@
+/* -*- 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: */