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/* -*- 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/PolyPolygonAlphaGradientPrimitive2D.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
#include <drawinglayer/primitive2d/fillgradientprimitive2d.hxx>
#include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
#include <drawinglayer/primitive2d/PolyPolygonRGBAPrimitive2D.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <basegfx/utils/bgradient.hxx>
using namespace com::sun::star;
namespace drawinglayer::primitive2d
{
Primitive2DReference PolyPolygonAlphaGradientPrimitive2D::create2DDecomposition(
const geometry::ViewInformation2D& /*rViewInformation*/) const
{
if (0 == getB2DPolyPolygon().count())
{
// no geometry, done
return nullptr;
}
if (getAlphaGradient().isDefault())
{
// default is a single ColorStop at 0.0 with black (0, 0, 0). The
// luminance is then 0.0, too -> not transparent at all
return new PolyPolygonColorPrimitive2D(getB2DPolyPolygon(), getBColor());
}
basegfx::BColor aSingleColor;
if (getAlphaGradient().getColorStops().isSingleColor(aSingleColor))
{
// no real transparence gradient, only unified alpha,
// we can use PolyPolygonRGBAPrimitive2D
return new PolyPolygonRGBAPrimitive2D(getB2DPolyPolygon(), getBColor(),
aSingleColor.luminance());
}
// transparency gradient is a real gradient, create TransparencePrimitive2D
Primitive2DContainer aContent{ new PolyPolygonColorPrimitive2D(getB2DPolyPolygon(),
getBColor()) };
Primitive2DContainer aAlpha{ new FillGradientPrimitive2D(
basegfx::utils::getRange(getB2DPolyPolygon()), getAlphaGradient()) };
return new TransparencePrimitive2D(std::move(aContent), std::move(aAlpha));
}
PolyPolygonAlphaGradientPrimitive2D::PolyPolygonAlphaGradientPrimitive2D(
const basegfx::B2DPolyPolygon& rPolyPolygon, const basegfx::BColor& rBColor,
const attribute::FillGradientAttribute& rAlphaGradient)
: maPolyPolygon(rPolyPolygon)
, maBColor(rBColor)
, maAlphaGradient(rAlphaGradient)
{
}
bool PolyPolygonAlphaGradientPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if (BufferedDecompositionPrimitive2D::operator==(rPrimitive))
{
const PolyPolygonAlphaGradientPrimitive2D& rCompare
= static_cast<const PolyPolygonAlphaGradientPrimitive2D&>(rPrimitive);
return (getB2DPolyPolygon() == rCompare.getB2DPolyPolygon()
&& getBColor() == rCompare.getBColor()
&& getAlphaGradient() == rCompare.getAlphaGradient());
}
return false;
}
basegfx::B2DRange PolyPolygonAlphaGradientPrimitive2D::getB2DRange(
const geometry::ViewInformation2D& /*rViewInformation*/) const
{
// return range - without decompose
return basegfx::utils::getRange(getB2DPolyPolygon());
}
// provide unique ID
sal_uInt32 PolyPolygonAlphaGradientPrimitive2D::getPrimitive2DID() const
{
return PRIMITIVE2D_ID_POLYPOLYGONALPHAGRADIENTPRIMITIVE2D;
}
} // end of namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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