drawinglayer/source/primitive2d/shadowprimitive2d.cxx

   1 /*************************************************************************
   2  *
   3  *  OpenOffice.org - a multi-platform office productivity suite
   4  *
   5  *  $RCSfile: shadowprimitive2d.cxx,v $
   6  *
   7  *  $Revision: 1.5 $
   8  *
   9  *  last change: $Author: aw $ $Date: 2008-05-27 14:11:20 $
  10  *
  11  *  The Contents of this file are made available subject to
  12  *  the terms of GNU Lesser General Public License Version 2.1.
  13  *
  14  *
  15  *    GNU Lesser General Public License Version 2.1
  16  *    =============================================
  17  *    Copyright 2005 by Sun Microsystems, Inc.
  18  *    901 San Antonio Road, Palo Alto, CA 94303, USA
  19  *
  20  *    This library is free software; you can redistribute it and/or
  21  *    modify it under the terms of the GNU Lesser General Public
  22  *    License version 2.1, as published by the Free Software Foundation.
  23  *
  24  *    This library is distributed in the hope that it will be useful,
  25  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  26  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  27  *    Lesser General Public License for more details.
  28  *
  29  *    You should have received a copy of the GNU Lesser General Public
  30  *    License along with this library; if not, write to the Free Software
  31  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  32  *    MA  02111-1307  USA
  33  *
  34  ************************************************************************/
  35
  36 // MARKER(update_precomp.py): autogen include statement, do not remove
  37 #include "precompiled_drawinglayer.hxx"
  38
  39 #include <drawinglayer/primitive2d/shadowprimitive2d.hxx>
  40 #include <basegfx/color/bcolormodifier.hxx>
  41 #include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
  42 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
  43 #include <basegfx/tools/canvastools.hxx>
  44 #include <drawinglayer/primitive2d/alphaprimitive2d.hxx>
  45 #include <drawinglayer/primitive2d/unifiedalphaprimitive2d.hxx>
  46 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  47
  48 //////////////////////////////////////////////////////////////////////////////
  49
  50 using namespace com::sun::star;
  51
  52 //////////////////////////////////////////////////////////////////////////////
  53
  54 namespace drawinglayer
  55 {
  56     namespace primitive2d
  57     {
  58         Primitive2DSequence ShadowPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
  59         {
  60             Primitive2DSequence aRetval;
  61
  62             if(getChildren().hasElements())
  63             {
  64                 // create a modifiedColorPrimitive containing the shadow color and the content
  65                 const basegfx::BColorModifier aBColorModifier(getShadowColor());
  66                 const Primitive2DReference xRefA(new ModifiedColorPrimitive2D(getChildren(), aBColorModifier));
  67                 const Primitive2DSequence aSequenceB(&xRefA, 1L);
  68
  69                 // build transformed primitiveVector with shadow offset and add to target
  70                 const Primitive2DReference xRefB(new TransformPrimitive2D(getShadowTransform(), aSequenceB));
  71                 aRetval = Primitive2DSequence(&xRefB, 1L);
  72             }
  73
  74             return aRetval;
  75         }
  76
  77         ShadowPrimitive2D::ShadowPrimitive2D(
  78             const basegfx::B2DHomMatrix& rShadowTransform,
  79             const basegfx::BColor& rShadowColor,
  80             const Primitive2DSequence& rChildren)
  81         :       GroupPrimitive2D(rChildren),
  82             maShadowTransform(rShadowTransform),
  83             maShadowColor(rShadowColor)
  84         {
  85         }
  86
  87         bool ShadowPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
  88         {
  89             if(GroupPrimitive2D::operator==(rPrimitive))
  90             {
  91                 const ShadowPrimitive2D& rCompare = static_cast< const ShadowPrimitive2D& >(rPrimitive);
  92
  93                 return (getShadowTransform() == rCompare.getShadowTransform()
  94                     && getShadowColor() == rCompare.getShadowColor());
  95             }
  96
  97             return false;
  98         }
  99
 100         basegfx::B2DRange ShadowPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
 101         {
 102             basegfx::B2DRange aRetval(getB2DRangeFromPrimitive2DSequence(getChildren(), rViewInformation));
 103             aRetval.transform(getShadowTransform());
 104             return aRetval;
 105         }
 106
 107         // provide unique ID
 108         ImplPrimitrive2DIDBlock(ShadowPrimitive2D, PRIMITIVE2D_ID_SHADOWPRIMITIVE2D)
 109
 110     } // end of namespace primitive2d
 111 } // end of namespace drawinglayer
 112
 113 //////////////////////////////////////////////////////////////////////////////
 114 // eof