124 lines
4.5 KiB
C++
124 lines
4.5 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: unifiedalphaprimitive2d.cxx,v $
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*
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* $Revision: 1.1 $
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*
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* last change: $Author: aw $ $Date: 2006-10-19 10:35:04 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_UNIFIEDALPHAPRIMITIVE2D_HXX
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#include <drawinglayer/primitive2d/unifiedalphaprimitive2d.hxx>
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#endif
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#ifndef _BGFX_POLYGON_B2DPOLYGON_HXX
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#include <basegfx/polygon/b2dpolygon.hxx>
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#endif
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#ifndef _BGFX_POLYGON_B2DPOLYGONTOOLS_HXX
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#endif
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#ifndef _BGFX_COLOR_BCOLOR_HXX
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#include <basegfx/color/bcolor.hxx>
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#endif
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#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_POLYPOLYGONPRIMITIVE2D_HXX
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#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
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#endif
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#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_ALPHAPRIMITIVE2D_HXX
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#include <drawinglayer/primitive2d/alphaprimitive2d.hxx>
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#endif
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//////////////////////////////////////////////////////////////////////////////
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using namespace com::sun::star;
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace primitive2d
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{
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Primitive2DSequence UnifiedAlphaPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& rViewInformation) const
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{
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if(0.0 == getAlpha())
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{
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// no transparence used, so just use the content
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return getChildren();
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}
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else if(getAlpha() > 0.0 && getAlpha() < 1.0)
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{
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// create fill polygon for TransparenceList
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const basegfx::B2DPolygon aPolygon(basegfx::tools::createPolygonFromRect(getB2DRangeFromPrimitive2DSequence(getChildren(), rViewInformation)));
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const basegfx::BColor aGray(getAlpha(), getAlpha(), getAlpha());
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const Primitive2DReference xRefA(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aPolygon), aGray));
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const Primitive2DSequence aAlphaContent(&xRefA, 1L);
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// create sub-transparence group with a gray-colored rectangular fill polygon
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const Primitive2DReference xRefB(new AlphaPrimitive2D(getChildren(), aAlphaContent));
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return Primitive2DSequence(&xRefB, 1L);
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}
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else
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{
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// completely transparent or invalid definition, add nothing
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return Primitive2DSequence();
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}
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}
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UnifiedAlphaPrimitive2D::UnifiedAlphaPrimitive2D(
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const Primitive2DSequence& rChildren,
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double fAlpha)
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: GroupPrimitive2D(rChildren),
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mfAlpha(fAlpha)
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{
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}
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bool UnifiedAlphaPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
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{
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if(GroupPrimitive2D::operator==(rPrimitive))
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{
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const UnifiedAlphaPrimitive2D& rCompare = (UnifiedAlphaPrimitive2D&)rPrimitive;
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return (getAlpha() == rCompare.getAlpha());
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}
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return false;
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}
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sal_uInt32 UnifiedAlphaPrimitive2D::getPrimitiveID() const
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{
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return Create2DPrimitiveID('2','U','A','l');
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}
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} // end of namespace primitive2d
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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// eof
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