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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /include/drawinglayer/primitive2d/patternfillprimitive2d.hxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-rw-r--r--include/drawinglayer/primitive2d/patternfillprimitive2d.hxx104
1 files changed, 104 insertions, 0 deletions
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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 .
+ */
+
+#pragma once
+
+#include <drawinglayer/drawinglayerdllapi.h>
+#include <drawinglayer/primitive2d/BufferedDecompositionPrimitive2D.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <vcl/bitmapex.hxx>
+
+
+namespace drawinglayer::primitive2d
+{
+ /** PatternFillPrimitive2D class
+
+ This primitive allows filling a given tools::PolyPolygon with a pattern
+ defined by a sequence of primitives which are mapped to the unit range.
+ The pattern is defined using a reference range which defines a rectangular
+ area relative to the tools::PolyPolygon (in unit coordinates) which is virtually
+ infinitely repeated.
+ */
+ class DRAWINGLAYER_DLLPUBLIC PatternFillPrimitive2D final : public BufferedDecompositionPrimitive2D
+ {
+ private:
+ const basegfx::B2DPolyPolygon maMask;
+ const Primitive2DContainer maChildren;
+ const basegfx::B2DRange maReferenceRange;
+
+ /// values holding the discrete buffer size
+ sal_uInt32 mnDiscreteWidth;
+ sal_uInt32 mnDiscreteHeight;
+
+ /// helper that is capable to calculate the needed discrete buffer size for
+ /// eventually buffered content
+ void calculateNeededDiscreteBufferSize(
+ sal_uInt32& rWidth,
+ sal_uInt32& rHeight,
+ const geometry::ViewInformation2D& rViewInformation) const;
+
+ /// helper which creates the content - checks if clipping is needed and eventually
+ /// creates buffered content to speed up rendering
+ Primitive2DContainer createContent(const geometry::ViewInformation2D& rViewInformation) const;
+
+ /// create local decomposition
+ virtual void create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const override;
+
+ public:
+ /// constructor
+ PatternFillPrimitive2D(
+ const basegfx::B2DPolyPolygon& rMask,
+ Primitive2DContainer&& rChildren,
+ const basegfx::B2DRange& rReferenceRange);
+
+ /// data read access
+ const basegfx::B2DPolyPolygon& getMask() const { return maMask; }
+ const Primitive2DContainer& getChildren() const { return maChildren; }
+ const basegfx::B2DRange& getReferenceRange() const { return maReferenceRange; }
+
+ /// compare operator
+ virtual bool operator==(const BasePrimitive2D& rPrimitive) const override;
+
+ /// get range
+ virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const override;
+
+ /// overload to react on evtl. buffered content
+ virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override;
+
+ /// provide unique ID
+ virtual sal_uInt32 getPrimitive2DID() const override;
+
+ // XAccounting
+ virtual sal_Int64 estimateUsage() override;
+
+ /// helper which creates the content - checks if clipping is needed and eventually
+ /// creates buffered content to speed up rendering
+ BitmapEx createTileImage(sal_uInt32 nWidth, sal_uInt32 nHeight) const;
+
+ /// helper that is capable to calculate the needed discrete buffer size for
+ /// eventually buffered content
+ void getTileSize(
+ sal_uInt32& rWidth,
+ sal_uInt32& rHeight,
+ const geometry::ViewInformation2D& rViewInformation) const;
+ };
+} // end of namespace drawinglayer::primitive2d
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */