drawinglayer/inc/primitive3d/polygontubeprimitive3d.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <drawinglayer/primitive3d/polygonprimitive3d.hxx>
  23
  24
  25 namespace drawinglayer::primitive3d
  26     {
  27         /** PolygonStrokePrimitive3D class
  28
  29             This 3D primitive extends a 3D hairline to a 3D tube which is
  30             e.g. used for fat lines in 3D. It's decomposition will create all
  31             3D objects needed for the line tubes and the edge roundings
  32             in full 3D.
  33          */
  34         class PolygonTubePrimitive3D final : public PolygonHairlinePrimitive3D
  35         {
  36             /// hold the last decomposition since it's expensive
  37             Primitive3DContainer                         maLast3DDecomposition;
  38
  39             /// visualisation parameters
  40             double                                      mfRadius;
  41             double                                      mfDegreeStepWidth;
  42             double                                      mfMiterMinimumAngle;
  43             basegfx::B2DLineJoin                        maLineJoin;
  44             css::drawing::LineCap                       maLineCap;
  45
  46             /** access methods to maLast3DDecomposition. The usage of this methods may allow
  47                 later thread-safe stuff to be added if needed. Only to be used by getDecomposition()
  48                 implementations for buffering the last decomposition.
  49              */
  50             const Primitive3DContainer& getLast3DDecomposition() const { return maLast3DDecomposition; }
  51
  52             /// local decomposition.
  53             Primitive3DContainer impCreate3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const;
  54
  55         public:
  56             /// constructor
  57             PolygonTubePrimitive3D(
  58                 const basegfx::B3DPolygon& rPolygon,
  59                 const basegfx::BColor& rBColor,
  60                 double fRadius,
  61                 basegfx::B2DLineJoin aLineJoin,
  62                 css::drawing::LineCap aLineCap,
  63                 double fDegreeStepWidth = basegfx::deg2rad(10.0),
  64                 double fMiterMinimumAngle = basegfx::deg2rad(15.0));
  65
  66             /// data read access
  67             double getRadius() const { return mfRadius; }
  68             double getDegreeStepWidth() const { return mfDegreeStepWidth; }
  69             double getMiterMinimumAngle() const { return mfMiterMinimumAngle; }
  70             basegfx::B2DLineJoin getLineJoin() const { return maLineJoin; }
  71             css::drawing::LineCap getLineCap() const { return maLineCap; }
  72
  73             /// compare operator
  74             virtual bool operator==(const BasePrimitive3D& rPrimitive) const override;
  75
  76             /** local decomposition. Use own buffering since we are not derived from
  77                 BufferedDecompositionPrimitive3D
  78              */
  79             virtual Primitive3DContainer get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const override;
  80
  81             /// provide unique ID
  82             DeclPrimitive3DIDBlock()
  83         };
  84
  85 } // end of namespace drawinglayer::primitive3d
  86
  87
  88 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */