/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#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>
#include <osl/diagnose.h>
#include <toolkit/helper/vclunohelper.hxx>
namespace drawinglayer::primitive2d
{
DiscreteShadow::DiscreteShadow(const BitmapEx& rBitmapEx)
: maBitmapEx(rBitmapEx)
{
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(
::tools::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(
::tools::Rectangle(Point((nQuarter * 2) + 1, 0), Size(1, nQuarter)));
}
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(
::tools::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(
::tools::Rectangle(Point((nQuarter * 3) + 3, (nQuarter * 2) + 1), Size(nQuarter, 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(
::tools::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(
::tools::Rectangle(Point((nQuarter * 2) + 1, (nQuarter * 3) + 3), Size(1, nQuarter)));
}
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(
::tools::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(
::tools::Rectangle(Point(0, (nQuarter * 2) + 1), Size(nQuarter, 1)));
}
return maLeft;
}
} // end of namespace
namespace drawinglayer::primitive2d
{
void DiscreteShadowPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const
{
Primitive2DContainer xRetval;
if(getDiscreteShadow().getBitmapEx().IsEmpty())
return;
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.resize(8);
// TopLeft
xRetval[0] = Primitive2DReference(
new BitmapPrimitive2D(
VCLUnoHelper::CreateVCLXBitmap(getDiscreteShadow().getTopLeft()),
basegfx::utils::createScaleTranslateB2DHomMatrix(
fBigLenX,
fBigLenY,
-fBorderX,
-fBorderY)));
// Top
xRetval[1] = Primitive2DReference(
new BitmapPrimitive2D(
VCLUnoHelper::CreateVCLXBitmap(getDiscreteShadow().getTop()),
basegfx::utils::createScaleTranslateB2DHomMatrix(
1.0 - (2.0 * (fBorderX + fSingleX)) + fSingleX,
fBorderY,
fBorderX + fSingleX,
-fBorderY)));
// TopRight
xRetval[2] = Primitive2DReference(
new BitmapPrimitive2D(
VCLUnoHelper::CreateVCLXBitmap(getDiscreteShadow().getTopRight()),
basegfx::utils::createScaleTranslateB2DHomMatrix(
fBigLenX,
fBigLenY,
1.0 - fBorderX,
-fBorderY)));
// Right
xRetval[3] = Primitive2DReference(
new BitmapPrimitive2D(
VCLUnoHelper::CreateVCLXBitmap(getDiscreteShadow().getRight()),
basegfx::utils::createScaleTranslateB2DHomMatrix(
fBorderX,
1.0 - (2.0 * (fBorderY + fSingleY)) + fSingleY,
1.0 + fSingleX,
fBorderY + fSingleY)));
// BottomRight
xRetval[4] = Primitive2DReference(
new BitmapPrimitive2D(
VCLUnoHelper::CreateVCLXBitmap(getDiscreteShadow().getBottomRight()),
basegfx::utils::createScaleTranslateB2DHomMatrix(
fBigLenX,
fBigLenY,
1.0 - (fBorderX + fSingleX) + fSingleX,
1.0 - (fBorderY + fSingleY) + fSingleY)));
// Bottom
xRetval[5] = Primitive2DReference(
new BitmapPrimitive2D(
VCLUnoHelper::CreateVCLXBitmap(getDiscreteShadow().getBottom()),
basegfx::utils::createScaleTranslateB2DHomMatrix(
1.0 - (2.0 * (fBorderX + fSingleX)) + fSingleX,
fBorderY,
fBorderX + fSingleX,
1.0 + fSingleY)));
// BottomLeft
xRetval[6] = Primitive2DReference(
new BitmapPrimitive2D(
VCLUnoHelper::CreateVCLXBitmap(getDiscreteShadow().getBottomLeft()),
basegfx::utils::createScaleTranslateB2DHomMatrix(
fBigLenX,
fBigLenY,
-fBorderX,
1.0 - fBorderY)));
// Left
xRetval[7] = Primitive2DReference(
new BitmapPrimitive2D(
VCLUnoHelper::CreateVCLXBitmap(getDiscreteShadow().getLeft()),
basegfx::utils::createScaleTranslateB2DHomMatrix(
fBorderX,
1.0 - (2.0 * (fBorderY + fSingleY)) + fSingleY,
-fBorderX,
fBorderY + fSingleY)));
// put all in object transformation to get to target positions
rContainer.push_back(
new TransformPrimitive2D(
getTransform(),
std::move(xRetval)));
}
DiscreteShadowPrimitive2D::DiscreteShadowPrimitive2D(
const basegfx::B2DHomMatrix& rTransform,
const DiscreteShadow& rDiscreteShadow)
: maTransform(rTransform),
maDiscreteShadow(rDiscreteShadow)
{
}
bool DiscreteShadowPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if(DiscreteMetricDependentPrimitive2D::operator==(rPrimitive))
{
const DiscreteShadowPrimitive2D& rCompare = static_cast<const 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
sal_uInt32 DiscreteShadowPrimitive2D::getPrimitive2DID() const
{
return PRIMITIVE2D_ID_DISCRETESHADOWPRIMITIVE2D;
}
} // end of namespace
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