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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: markerarrayprimitive2d.cxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: aw $ $Date: 2007-07-27 09:03:33 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MARKERARRAYPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
#endif
#ifndef _BGFX_MATRIX_B2DHOMMATRIX_HXX
#include <basegfx/matrix/b2dhommatrix.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_POINTRARRAYPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/pointarrayprimitive2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_GEOMETRY_VIEWINFORMATION2D_HXX
#include <drawinglayer/geometry/viewinformation2d.hxx>
#endif
#ifndef _BGFX_POLYGON_B2DPOLYGON_HXX
#include <basegfx/polygon/b2dpolygon.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_POLYGONPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TRANSFORMPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_PRIMITIVETYPES2D_HXX
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#endif
//////////////////////////////////////////////////////////////////////////////
using namespace com::sun::star;
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace primitive2d
{
Primitive2DSequence MarkerArrayPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& rViewInformation) const
{
Primitive2DSequence xRetval;
switch(getStyle())
{
default : // MARKERSTYLE2D_POINT
{
// the default produces single points in given color, thus it is a good fallback for
// all evtl. non-implented decompositions, too
const Primitive2DReference xReference(new PointArrayPrimitive2D(getPositions(), getRGBColor()));
xRetval = Primitive2DSequence(&xReference, 1);
break;
}
case MARKERSTYLE2D_CROSS :
case MARKERSTYLE2D_GLUEPOINT :
{
// schema to use here: create one ZeroPoint-centered template incarnation of the marker using other primitives
// and multiply it using a seuence of TransformPrimitive2D containing it
const std::vector< basegfx::B2DPoint >& rPositions = getPositions();
const sal_uInt32 nMarkerCount(rPositions.size());
if(nMarkerCount)
{
// get the size of one dicscrete display unit in logic size
const basegfx::B2DVector aDist(rViewInformation.getInverseViewTransformation() * basegfx::B2DVector(1.0, 1.0));
Primitive2DSequence aTemplate;
switch(getStyle())
{
case MARKERSTYLE2D_CROSS :
{
// two lines forming the intended cross. Prefer vector decompose
// over also possible bitmap/PointArrayPrimitive decompose for better quality
aTemplate.realloc(2);
basegfx::B2DPolygon aPolygon;
aPolygon.append(basegfx::B2DPoint(aDist.getX() * -1.0, aDist.getY()));
aPolygon.append(basegfx::B2DPoint(aDist.getX() * +2.0, aDist.getY()));
aTemplate[0] = Primitive2DReference(new PolygonHairlinePrimitive2D(aPolygon, getRGBColor()));
aPolygon.clear();
aPolygon.append(basegfx::B2DPoint(aDist.getX(), aDist.getY() * -1.0));
aPolygon.append(basegfx::B2DPoint(aDist.getX(), aDist.getY() * +2.0));
aTemplate[1] = Primitive2DReference(new PolygonHairlinePrimitive2D(aPolygon, getRGBColor()));
break;
}
case MARKERSTYLE2D_GLUEPOINT :
{
// six lines forming the intended gluepoint cross. Prefer vector decompose
// over also possible bitmap/PointArrayPrimitive decompose for better quality
aTemplate.realloc(6);
basegfx::B2DPolygon aPolygon;
aPolygon.append(basegfx::B2DPoint(aDist.getX() * -2.0, aDist.getY() * -3.0));
aPolygon.append(basegfx::B2DPoint(aDist.getX() * +4.0, aDist.getY() * +3.0));
aTemplate[0] = Primitive2DReference(new PolygonHairlinePrimitive2D(aPolygon, getRGBColor()));
aPolygon.clear();
aPolygon.append(basegfx::B2DPoint(aDist.getX() * -3.0, aDist.getY() * -2.0));
aPolygon.append(basegfx::B2DPoint(aDist.getX() * +3.0, aDist.getY() * +4.0));
aTemplate[1] = Primitive2DReference(new PolygonHairlinePrimitive2D(aPolygon, getRGBColor()));
aPolygon.clear();
aPolygon.append(basegfx::B2DPoint(aDist.getX() * -3.0, aDist.getY() * +2.0));
aPolygon.append(basegfx::B2DPoint(aDist.getX() * +3.0, aDist.getY() * -4.0));
aTemplate[2] = Primitive2DReference(new PolygonHairlinePrimitive2D(aPolygon, getRGBColor()));
aPolygon.clear();
aPolygon.append(basegfx::B2DPoint(aDist.getX() * -2.0, aDist.getY() * +3.0));
aPolygon.append(basegfx::B2DPoint(aDist.getX() * +4.0, aDist.getY() * -3.0));
aTemplate[3] = Primitive2DReference(new PolygonHairlinePrimitive2D(aPolygon, getRGBColor()));
const basegfx::BColor aRGBFrontColor(0.0, 0.0, 1.0); // COL_LIGHTBLUE
aPolygon.clear();
aPolygon.append(basegfx::B2DPoint(aDist.getX() * -2.0, aDist.getY() * -2.0));
aPolygon.append(basegfx::B2DPoint(aDist.getX() * +3.0, aDist.getY() * +3.0));
aTemplate[4] = Primitive2DReference(new PolygonHairlinePrimitive2D(aPolygon, aRGBFrontColor));
aPolygon.clear();
aPolygon.append(basegfx::B2DPoint(aDist.getX() * -2.0, aDist.getY() * +2.0));
aPolygon.append(basegfx::B2DPoint(aDist.getX() * +3.0, aDist.getY() * -3.0));
aTemplate[5] = Primitive2DReference(new PolygonHairlinePrimitive2D(aPolygon, aRGBFrontColor));
break;
}
default :
{
// nothing to do, keep template empty
break;
}
}
if(aTemplate.hasElements())
{
xRetval.realloc(nMarkerCount);
for(sal_uInt32 a(0); a < nMarkerCount; a++)
{
const basegfx::B2DPoint& rPosition(rPositions[a]);
basegfx::B2DHomMatrix aTransform;
aTransform.set(0, 2, rPosition.getX());
aTransform.set(1, 2, rPosition.getY());
xRetval[a] = Primitive2DReference(new TransformPrimitive2D(aTransform, aTemplate));
}
}
return xRetval;
}
break;
}
}
return xRetval;
}
MarkerArrayPrimitive2D::MarkerArrayPrimitive2D(
const std::vector< basegfx::B2DPoint >& rPositions,
MarkerStyle2D eStyle,
const basegfx::BColor& rRGBColor)
: BasePrimitive2D(),
maPositions(rPositions),
maRGBColor(rRGBColor),
meStyle(eStyle)
{
}
bool MarkerArrayPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if(BasePrimitive2D::operator==(rPrimitive))
{
const MarkerArrayPrimitive2D& rCompare = (MarkerArrayPrimitive2D&)rPrimitive;
return (getPositions() == rCompare.getPositions()
&& getRGBColor() == rCompare.getRGBColor()
&& getStyle() == rCompare.getStyle());
}
return false;
}
basegfx::B2DRange MarkerArrayPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
{
basegfx::B2DRange aRetval;
// get the basic range from the position vector
for(std::vector< basegfx::B2DPoint >::const_iterator aIter(getPositions().begin()); aIter != getPositions().end(); aIter++)
{
aRetval.expand(*aIter);
}
switch(getStyle())
{
default : // MARKERSTYLE2D_POINT
{
// nothing to do; aRetval is already valid
break;
}
case MARKERSTYLE2D_CROSS :
{
// size is 3x3 centered, expand
const basegfx::B2DVector aDiscreteVector(rViewInformation.getInverseViewTransformation() * basegfx::B2DVector(1.5, 1.5));
aRetval.expand(aRetval.getMinimum() - aDiscreteVector);
aRetval.expand(aRetval.getMinimum() + aDiscreteVector);
break;
}
case MARKERSTYLE2D_GLUEPOINT :
{
// size is 7x7 centered, expand
const basegfx::B2DVector aDiscreteVector(rViewInformation.getInverseViewTransformation() * basegfx::B2DVector(3.5, 3.5));
aRetval.expand(aRetval.getMinimum() - aDiscreteVector);
aRetval.expand(aRetval.getMinimum() + aDiscreteVector);
break;
}
}
return aRetval;
}
// provide unique ID
ImplPrimitrive2DIDBlock(MarkerArrayPrimitive2D, PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D)
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// eof
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