office-gobmx/drawinglayer/source/primitive2d/discreteshadowprimitive2d.cxx

342 lines
13 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/discreteshadowprimitive2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace primitive2d
{
DiscreteShadow::DiscreteShadow(const BitmapEx& rBitmapEx)
: maBitmapEx(rBitmapEx),
maTopLeft(),
maTop(),
maTopRight(),
maRight(),
maBottomRight(),
maBottom(),
maBottomLeft(),
maLeft()
{
const Size& rBitmapSize = getBitmapEx().GetSizePixel();
if(rBitmapSize.Width() != rBitmapSize.Height() || rBitmapSize.Width() < 7)
{
OSL_ENSURE(false, "DiscreteShadowPrimitive2D: wrong bitmap format (!)");
maBitmapEx = BitmapEx();
}
}
const BitmapEx& DiscreteShadow::getTopLeft() const
{
if(maTopLeft.IsEmpty())
{
const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
const_cast< DiscreteShadow* >(this)->maTopLeft = getBitmapEx();
const_cast< DiscreteShadow* >(this)->maTopLeft.Crop(
Rectangle(Point(0,0),Size(nQuarter*2+1,nQuarter*2+1)));
}
return maTopLeft;
}
const BitmapEx& DiscreteShadow::getTop() const
{
if(maTop.IsEmpty())
{
const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
const_cast< DiscreteShadow* >(this)->maTop = getBitmapEx();
const_cast< DiscreteShadow* >(this)->maTop.Crop(
Rectangle(Point(nQuarter*2+1,0),Size(1,nQuarter+1)));
}
return maTop;
}
const BitmapEx& DiscreteShadow::getTopRight() const
{
if(maTopRight.IsEmpty())
{
const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
const_cast< DiscreteShadow* >(this)->maTopRight = getBitmapEx();
const_cast< DiscreteShadow* >(this)->maTopRight.Crop(
Rectangle(Point(nQuarter*2+2,0),Size(nQuarter*2+1,nQuarter*2+1)));
}
return maTopRight;
}
const BitmapEx& DiscreteShadow::getRight() const
{
if(maRight.IsEmpty())
{
const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
const_cast< DiscreteShadow* >(this)->maRight = getBitmapEx();
const_cast< DiscreteShadow* >(this)->maRight.Crop(
Rectangle(Point(nQuarter*3+2,nQuarter*2+1),Size(nQuarter+1,1)));
}
return maRight;
}
const BitmapEx& DiscreteShadow::getBottomRight() const
{
if(maBottomRight.IsEmpty())
{
const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
const_cast< DiscreteShadow* >(this)->maBottomRight = getBitmapEx();
const_cast< DiscreteShadow* >(this)->maBottomRight.Crop(
Rectangle(Point(nQuarter*2+2,nQuarter*2+2),Size(nQuarter*2+1,nQuarter*2+1)));
}
return maBottomRight;
}
const BitmapEx& DiscreteShadow::getBottom() const
{
if(maBottom.IsEmpty())
{
const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
const_cast< DiscreteShadow* >(this)->maBottom = getBitmapEx();
const_cast< DiscreteShadow* >(this)->maBottom.Crop(
Rectangle(Point(nQuarter*2+1,nQuarter*3+2),Size(1,nQuarter+1)));
}
return maBottom;
}
const BitmapEx& DiscreteShadow::getBottomLeft() const
{
if(maBottomLeft.IsEmpty())
{
const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
const_cast< DiscreteShadow* >(this)->maBottomLeft = getBitmapEx();
const_cast< DiscreteShadow* >(this)->maBottomLeft.Crop(
Rectangle(Point(0,nQuarter*2+2),Size(nQuarter*2+1,nQuarter*2+1)));
}
return maBottomLeft;
}
const BitmapEx& DiscreteShadow::getLeft() const
{
if(maLeft.IsEmpty())
{
const sal_Int32 nQuarter((getBitmapEx().GetSizePixel().Width() - 3) >> 2);
const_cast< DiscreteShadow* >(this)->maLeft = getBitmapEx();
const_cast< DiscreteShadow* >(this)->maLeft.Crop(
Rectangle(Point(0,nQuarter*2+1),Size(nQuarter+1,1)));
}
return maLeft;
}
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace primitive2d
{
Primitive2DSequence DiscreteShadowPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
{
Primitive2DSequence xRetval;
if(!getDiscreteShadow().getBitmapEx().IsEmpty())
{
const sal_Int32 nQuarter((getDiscreteShadow().getBitmapEx().GetSizePixel().Width() - 3) >> 2);
const basegfx::B2DVector aScale(getTransform() * basegfx::B2DVector(1.0, 1.0));
const double fSingleX(getDiscreteUnit() / aScale.getX());
const double fSingleY(getDiscreteUnit() / aScale.getY());
const double fBorderX(fSingleX * nQuarter);
const double fBorderY(fSingleY * nQuarter);
const double fBigLenX((fBorderX * 2.0) + fSingleX);
const double fBigLenY((fBorderY * 2.0) + fSingleY);
xRetval.realloc(8);
// TopLeft
xRetval[0] = Primitive2DReference(
new BitmapPrimitive2D(
getDiscreteShadow().getTopLeft(),
basegfx::tools::createScaleTranslateB2DHomMatrix(
fBigLenX,
fBigLenY,
-fBorderX,
-fBorderY)));
// Top
xRetval[1] = Primitive2DReference(
new BitmapPrimitive2D(
getDiscreteShadow().getTop(),
basegfx::tools::createScaleTranslateB2DHomMatrix(
1.0 - (2.0 * fBorderX) - fSingleX,
fBorderY + fSingleY,
fBorderX + fSingleX,
-fBorderY)));
// TopRight
xRetval[2] = Primitive2DReference(
new BitmapPrimitive2D(
getDiscreteShadow().getTopRight(),
basegfx::tools::createScaleTranslateB2DHomMatrix(
fBigLenX,
fBigLenY,
1.0 - fBorderX,
-fBorderY)));
// Right
xRetval[3] = Primitive2DReference(
new BitmapPrimitive2D(
getDiscreteShadow().getRight(),
basegfx::tools::createScaleTranslateB2DHomMatrix(
fBorderX + fSingleX,
1.0 - (2.0 * fBorderY) - fSingleY,
1.0,
fBorderY + fSingleY)));
// BottomRight
xRetval[4] = Primitive2DReference(
new BitmapPrimitive2D(
getDiscreteShadow().getBottomRight(),
basegfx::tools::createScaleTranslateB2DHomMatrix(
fBigLenX,
fBigLenY,
1.0 - fBorderX,
1.0 - fBorderY)));
// Bottom
xRetval[5] = Primitive2DReference(
new BitmapPrimitive2D(
getDiscreteShadow().getBottom(),
basegfx::tools::createScaleTranslateB2DHomMatrix(
1.0 - (2.0 * fBorderX) - fSingleX,
fBorderY + fSingleY,
fBorderX + fSingleX,
1.0)));
// BottomLeft
xRetval[6] = Primitive2DReference(
new BitmapPrimitive2D(
getDiscreteShadow().getBottomLeft(),
basegfx::tools::createScaleTranslateB2DHomMatrix(
fBigLenX,
fBigLenY,
-fBorderX,
1.0 - fBorderY)));
// Left
xRetval[7] = Primitive2DReference(
new BitmapPrimitive2D(
getDiscreteShadow().getLeft(),
basegfx::tools::createScaleTranslateB2DHomMatrix(
fBorderX + fSingleX,
1.0 - (2.0 * fBorderY) - fSingleY,
-fBorderX,
fBorderY + fSingleY)));
// put all in object transformation to get to target positions
const Primitive2DReference xTransformed(
new TransformPrimitive2D(
getTransform(),
xRetval));
xRetval = Primitive2DSequence(&xTransformed, 1);
}
return xRetval;
}
DiscreteShadowPrimitive2D::DiscreteShadowPrimitive2D(
const basegfx::B2DHomMatrix& rTransform,
const DiscreteShadow& rDiscreteShadow)
: DiscreteMetricDependentPrimitive2D(),
maTransform(rTransform),
maDiscreteShadow(rDiscreteShadow)
{
}
bool DiscreteShadowPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if(DiscreteMetricDependentPrimitive2D::operator==(rPrimitive))
{
const DiscreteShadowPrimitive2D& rCompare = (DiscreteShadowPrimitive2D&)rPrimitive;
return (getTransform() == rCompare.getTransform()
&& getDiscreteShadow() == rCompare.getDiscreteShadow());
}
return false;
}
basegfx::B2DRange DiscreteShadowPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
{
if(getDiscreteShadow().getBitmapEx().IsEmpty())
{
// no graphics without valid bitmap definition
return basegfx::B2DRange();
}
else
{
// prepare normal objectrange
basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);
aRetval.transform(getTransform());
// extract discrete shadow size and grow
const basegfx::B2DVector aScale(rViewInformation.getViewTransformation() * basegfx::B2DVector(1.0, 1.0));
const sal_Int32 nQuarter((getDiscreteShadow().getBitmapEx().GetSizePixel().Width() - 3) >> 2);
const double fGrowX((1.0 / aScale.getX()) * nQuarter);
const double fGrowY((1.0 / aScale.getY()) * nQuarter);
aRetval.grow(std::max(fGrowX, fGrowY));
return aRetval;
}
}
// provide unique ID
ImplPrimitrive2DIDBlock(DiscreteShadowPrimitive2D, PRIMITIVE2D_ID_DISCRETESHADOWPRIMITIVE2D)
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// eof
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */