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, 118 insertions, 0 deletions

diff --git a/svgio/inc/svggradientnode.hxx b/svgio/inc/svggradientnode.hxx
new file mode 100644
index 000000000..605ac6f4e
--- /dev/null
+++ b/svgio/inc/svggradientnode.hxx
@@ -0,0 +1,118 @@
+/* -*- 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 "svgnode.hxx"
+#include "svgstyleattributes.hxx"
+#include "svgtools.hxx"
+#include <drawinglayer/primitive2d/svggradientprimitive2d.hxx>
+
+namespace svgio::svgreader
+    {
+        class SvgGradientNode final : public SvgNode
+        {
+        private:
+            /// use styles
+            SvgStyleAttributes          maSvgStyleAttributes;
+
+            /// linear gradient values
+            SvgNumber                   maX1;
+            SvgNumber                   maY1;
+            SvgNumber                   maX2;
+            SvgNumber                   maY2;
+
+            /// radial gradient values
+            SvgNumber                   maCx;
+            SvgNumber                   maCy;
+            SvgNumber                   maR;
+            SvgNumber                   maFx;
+            SvgNumber                   maFy;
+
+            /// variable scan values, dependent of given XAttributeList
+            SvgUnits                    maGradientUnits;
+            drawinglayer::primitive2d::SpreadMethod   maSpreadMethod;
+            std::optional<basegfx::B2DHomMatrix>    mpaGradientTransform;
+
+            /// link to another gradient used as style. If maXLink
+            /// is set, the node can be fetched on demand by using
+            // tryToFindLink (buffered)
+            mutable bool mbResolvingLink; // protect against infinite link recursion
+            OUString               maXLink;
+            const SvgGradientNode*      mpXLink;
+
+            /// link on demand
+            void tryToFindLink();
+
+        public:
+            SvgGradientNode(
+                SVGToken aType,
+                SvgDocument& rDocument,
+                SvgNode* pParent);
+            virtual ~SvgGradientNode() override;
+
+            virtual const SvgStyleAttributes* getSvgStyleAttributes() const override;
+            virtual void parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent) override;
+
+            /// collect gradient stop entries
+            void collectGradientEntries(drawinglayer::primitive2d::SvgGradientEntryVector& aVector) const;
+
+            /// x1 content
+            SvgNumber getX1() const;
+
+            /// y1 content
+            SvgNumber getY1() const;
+
+            /// x2 content
+            SvgNumber getX2() const;
+
+            /// y2 content
+            SvgNumber getY2() const;
+
+            /// Cx content
+            SvgNumber getCx() const;
+
+            /// Cy content
+            SvgNumber getCy() const;
+
+            /// R content
+            SvgNumber getR() const;
+
+            /// Fx content
+            const SvgNumber* getFx() const;
+
+            /// Fy content
+            const SvgNumber* getFy() const;
+
+            /// gradientUnits content
+            SvgUnits getGradientUnits() const { return maGradientUnits; }
+            void setGradientUnits(const SvgUnits aGradientUnits) { maGradientUnits = aGradientUnits; }
+
+            /// SpreadMethod content
+            drawinglayer::primitive2d::SpreadMethod getSpreadMethod() const { return maSpreadMethod; }
+            void setSpreadMethod(const drawinglayer::primitive2d::SpreadMethod aSpreadMethod) { maSpreadMethod = aSpreadMethod; }
+
+            /// transform content, set if found in current context
+            std::optional<basegfx::B2DHomMatrix> getGradientTransform() const;
+            void setGradientTransform(const std::optional<basegfx::B2DHomMatrix>& pMatrix) { mpaGradientTransform = pMatrix; }
+        };
+
+} // end of namespace svgio::svgreader
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */