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, 146 insertions, 0 deletions

diff --git a/include/drawinglayer/primitive2d/borderlineprimitive2d.hxx b/include/drawinglayer/primitive2d/borderlineprimitive2d.hxx
new file mode 100644
index 000000000..fe4580d07
--- /dev/null
+++ b/include/drawinglayer/primitive2d/borderlineprimitive2d.hxx
@@ -0,0 +1,146 @@
+/* -*- 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: */