Files
loongoffice/drawinglayer/source/primitive2d/markerarrayprimitive2d.cxx
2011-03-29 21:40:28 +01:00

161 lines
6.3 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"
#include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
//////////////////////////////////////////////////////////////////////////////
using namespace com::sun::star;
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace primitive2d
{
Primitive2DSequence MarkerArrayPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
{
Primitive2DSequence xRetval;
const std::vector< basegfx::B2DPoint >& rPositions = getPositions();
const sal_uInt32 nMarkerCount(rPositions.size());
if(nMarkerCount && !getMarker().IsEmpty())
{
// get pixel size
Size aBitmapSize(getMarker().GetSizePixel());
if(aBitmapSize.Width() && aBitmapSize.Height())
{
// get logic half pixel size
basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() *
basegfx::B2DVector(aBitmapSize.getWidth() - 1.0, aBitmapSize.getHeight() - 1.0));
// use half size for expand
aLogicHalfSize *= 0.5;
// number of primitives is known; realloc accordingly
xRetval.realloc(nMarkerCount);
for(sal_uInt32 a(0); a < nMarkerCount; a++)
{
const basegfx::B2DPoint& rPosition(rPositions[a]);
const basegfx::B2DRange aRange(rPosition - aLogicHalfSize, rPosition + aLogicHalfSize);
basegfx::B2DHomMatrix aTransform;
aTransform.set(0, 0, aRange.getWidth());
aTransform.set(1, 1, aRange.getHeight());
aTransform.set(0, 2, aRange.getMinX());
aTransform.set(1, 2, aRange.getMinY());
xRetval[a] = Primitive2DReference(new BitmapPrimitive2D(getMarker(), aTransform));
}
}
}
return xRetval;
}
MarkerArrayPrimitive2D::MarkerArrayPrimitive2D(
const std::vector< basegfx::B2DPoint >& rPositions,
const BitmapEx& rMarker)
: BufferedDecompositionPrimitive2D(),
maPositions(rPositions),
maMarker(rMarker)
{
}
bool MarkerArrayPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
{
const MarkerArrayPrimitive2D& rCompare = (MarkerArrayPrimitive2D&)rPrimitive;
return (getPositions() == rCompare.getPositions()
&& getMarker() == rCompare.getMarker());
}
return false;
}
basegfx::B2DRange MarkerArrayPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
{
basegfx::B2DRange aRetval;
if(getPositions().size())
{
// 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);
}
if(!getMarker().IsEmpty())
{
// get pixel size
const Size aBitmapSize(getMarker().GetSizePixel());
if(aBitmapSize.Width() && aBitmapSize.Height())
{
// get logic half size
basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() *
basegfx::B2DVector(aBitmapSize.getWidth(), aBitmapSize.getHeight()));
// use half size for expand
aLogicHalfSize *= 0.5;
// apply aLogicHalfSize
aRetval.expand(aRetval.getMinimum() - aLogicHalfSize);
aRetval.expand(aRetval.getMaximum() + aLogicHalfSize);
}
}
}
return aRetval;
}
// provide unique ID
ImplPrimitrive2DIDBlock(MarkerArrayPrimitive2D, PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D)
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// eof
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */