drawinglayer/source/primitive2d/PolyPolygonRGBAPrimitive2D.cxx

   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 #include <drawinglayer/primitive2d/PolyPolygonRGBAPrimitive2D.hxx>
  21 #include <basegfx/polygon/b2dpolypolygon.hxx>
  22 #include <basegfx/polygon/b2dpolypolygontools.hxx>
  23 #include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
  24 #include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
  25 #include <drawinglayer/geometry/viewinformation2d.hxx>
  26 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  27
  28 using namespace com::sun::star;
  29
  30 namespace drawinglayer::primitive2d
  31 {
  32 Primitive2DReference PolyPolygonRGBAPrimitive2D::create2DDecomposition(
  33     const geometry::ViewInformation2D& /*rViewInformation*/) const
  34 {
  35     if (basegfx::fTools::equal(getTransparency(), 1.0))
  36     {
  37         // completely transparent, done
  38         return nullptr;
  39     }
  40
  41     if (0 == getB2DPolyPolygon().count())
  42     {
  43         // no geometry, done
  44         return nullptr;
  45     }
  46
  47     if (basegfx::fTools::equalZero(getTransparency()))
  48     {
  49         // no transparency, use simple PolyPolygonColorPrimitive2D
  50         return Primitive2DReference{ new PolyPolygonColorPrimitive2D(getB2DPolyPolygon(),
  51                                                                      getBColor()) };
  52     }
  53
  54     // default: embed to UnifiedTransparencePrimitive2D
  55     Primitive2DContainer aContent{ new PolyPolygonColorPrimitive2D(getB2DPolyPolygon(),
  56                                                                    getBColor()) };
  57     return Primitive2DReference{ new UnifiedTransparencePrimitive2D(std::move(aContent),
  58                                                                     getTransparency()) };
  59 }
  60
  61 PolyPolygonRGBAPrimitive2D::PolyPolygonRGBAPrimitive2D(const basegfx::B2DPolyPolygon& rPolyPolygon,
  62                                                        const basegfx::BColor& rBColor,
  63                                                        double fTransparency)
  64     : maPolyPolygon(rPolyPolygon)
  65     , maBColor(rBColor)
  66     , mfTransparency(std::max(0.0, std::min(1.0, fTransparency)))
  67 {
  68 }
  69
  70 bool PolyPolygonRGBAPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
  71 {
  72     if (BufferedDecompositionPrimitive2D::operator==(rPrimitive))
  73     {
  74         const PolyPolygonRGBAPrimitive2D& rCompare
  75             = static_cast<const PolyPolygonRGBAPrimitive2D&>(rPrimitive);
  76
  77         return (getB2DPolyPolygon() == rCompare.getB2DPolyPolygon()
  78                 && getBColor() == rCompare.getBColor()
  79                 && basegfx::fTools::equal(getTransparency(), rCompare.getTransparency()));
  80     }
  81
  82     return false;
  83 }
  84
  85 basegfx::B2DRange PolyPolygonRGBAPrimitive2D::getB2DRange(
  86     const geometry::ViewInformation2D& /*rViewInformation*/) const
  87 {
  88     // return range - without decompose
  89     return basegfx::utils::getRange(getB2DPolyPolygon());
  90 }
  91
  92 // provide unique ID
  93 sal_uInt32 PolyPolygonRGBAPrimitive2D::getPrimitive2DID() const
  94 {
  95     return PRIMITIVE2D_ID_POLYPOLYGONRGBAPRIMITIVE2D;
  96 }
  97 } // end of namespace
  98
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */