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| -rw-r--r-- | drawinglayer/source/primitive2d/discreteshadowprimitive2d.cxx | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/discreteshadowprimitive2d.cxx b/drawinglayer/source/primitive2d/discreteshadowprimitive2d.cxx new file mode 100644 index 000000000..3100db147 --- /dev/null +++ b/drawinglayer/source/primitive2d/discreteshadowprimitive2d.cxx @@ -0,0 +1,316 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * 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 <toolkit/helper/vclunohelper.hxx> + + +namespace drawinglayer::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( + ::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(), + 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 = 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 + ImplPrimitive2DIDBlock(DiscreteShadowPrimitive2D, PRIMITIVE2D_ID_DISCRETESHADOWPRIMITIVE2D) + +} // end of namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |