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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/borderlineprimitive2d.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.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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1 files changed, 146 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 <drawinglayer/attribute/lineattribute.hxx>
+#include <drawinglayer/attribute/strokeattribute.hxx>
+
+enum class SvxBorderLineStyle : sal_Int16;
+
+namespace drawinglayer::primitive2d
+{
+/** BorderLine class
+ Helper class holding the style definition for a single part of a full BorderLine definition.
+ Line extends are for start/end and for Left/Right, seen in vector direction. If
+ Left != Right that means the line has a diagonal start/end.
+ Think about it similar to a trapezoid, but not aligned to X-Axis and using the
+ perpendicular vector to the given one in a right-handed coordinate system.
+*/
+class DRAWINGLAYER_DLLPUBLIC BorderLine
+{
+private:
+ // line attribute containing Width, Color and others
+ drawinglayer::attribute::LineAttribute maLineAttribute;
+
+ // line extends
+ double mfStartLeft;
+ double mfStartRight;
+ double mfEndLeft;
+ double mfEndRight;
+
+ // if this is a gap, this is set to true
+ bool mbIsGap;
+
+public:
+ // Constructor for visible BorderLine segments
+ BorderLine(const drawinglayer::attribute::LineAttribute& rLineAttribute,
+ double fStartLeft = 0.0, double fStartRight = 0.0, double fEndLeft = 0.0,
+ double fEndRight = 0.0);
+
+ // Constructor for gap BorderLine segments
+ BorderLine(double fWidth);
+
+ ~BorderLine();
+
+ BorderLine(BorderLine const&) = default;
+ BorderLine(BorderLine&&) = default;
+ BorderLine& operator=(BorderLine const&) = default;
+ BorderLine& operator=(BorderLine&&) = default;
+
+ const drawinglayer::attribute::LineAttribute& getLineAttribute() const
+ {
+ return maLineAttribute;
+ }
+ double getStartLeft() const { return mfStartLeft; }
+ double getStartRight() const { return mfStartRight; }
+ double getEndLeft() const { return mfEndLeft; }
+ double getEndRight() const { return mfEndRight; }
+ bool isGap() const { return mbIsGap; }
+
+ /// compare operator
+ bool operator==(const BorderLine& rBorderLine) const;
+};
+
+/** BorderLinePrimitive2D class
+
+ This is the basic primitive to build frames around objects, e.g. tables.
+ It defines a single or double line from Start to End using the LeftWidth,
+ Distance and RightWidth definitions.
+ The LineStart/End overlap is defined in the BorderLines definitions (see
+ class BorderLine above).
+*/
+class DRAWINGLAYER_DLLPUBLIC BorderLinePrimitive2D final : public BufferedDecompositionPrimitive2D
+{
+private:
+ /// the line definition
+ basegfx::B2DPoint maStart;
+ basegfx::B2DPoint maEnd;
+
+ /// the single BorderLine style definition(s), one or three mostly used
+ std::vector<BorderLine> maBorderLines;
+
+ /// common style definitions
+ const drawinglayer::attribute::StrokeAttribute maStrokeAttribute;
+
+ /// create local decomposition
+ virtual void
+ create2DDecomposition(Primitive2DContainer& rContainer,
+ const geometry::ViewInformation2D& rViewInformation) const override;
+
+ /// helper to get the full width from maBorderLines
+ double getFullWidth() const;
+
+public:
+ /// simplified constructor for BorderLine with single edge
+ BorderLinePrimitive2D(const basegfx::B2DPoint& rStart, const basegfx::B2DPoint& rEnd,
+ std::vector<BorderLine>&& rBorderLines,
+ const drawinglayer::attribute::StrokeAttribute& rStrokeAttribute);
+
+ /// data read access
+ const basegfx::B2DPoint& getStart() const { return maStart; }
+ const basegfx::B2DPoint& getEnd() const { return maEnd; }
+ const std::vector<BorderLine>& getBorderLines() const { return maBorderLines; }
+ const drawinglayer::attribute::StrokeAttribute& getStrokeAttribute() const
+ {
+ return maStrokeAttribute;
+ }
+
+ /// helper to decide if AntiAliasing should be used
+ bool isHorizontalOrVertical(const geometry::ViewInformation2D& rViewInformation) const;
+
+ /// compare operator
+ virtual bool operator==(const BasePrimitive2D& rPrimitive) const override;
+
+ /// provide unique ID
+ virtual sal_uInt32 getPrimitive2DID() const override;
+};
+
+/// helper to try to merge two instances of BorderLinePrimitive2D. If it was possible,
+/// a merged version is in the returned Primitive2DReference. Lots of preconditions
+/// have to be met to allow that, see implementation (and maybe even expand)
+Primitive2DReference DRAWINGLAYER_DLLPUBLIC tryMergeBorderLinePrimitive2D(
+ const BorderLinePrimitive2D* pCandidateA, const BorderLinePrimitive2D* pCandidateB);
+
+} // end of namespace drawinglayer::primitive2d
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */