f675638d9c
Change-Id: Ib0d3d4b35c6b63189f3fa6b68c73c87f8f3f99dd Reviewed-on: https://gerrit.libreoffice.org/c/core/+/171657 Reviewed-by: Andrea Gelmini <andrea.gelmini@gelma.net> Tested-by: Jenkins
106 lines
4.1 KiB
C++
106 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <drawinglayer/primitive2d/PolyPolygonAlphaGradientPrimitive2D.hxx>
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#include <basegfx/polygon/b2dpolypolygontools.hxx>
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#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
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#include <drawinglayer/primitive2d/fillgradientprimitive2d.hxx>
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#include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
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#include <drawinglayer/primitive2d/PolyPolygonRGBAPrimitive2D.hxx>
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#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
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#include <basegfx/utils/bgradient.hxx>
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using namespace com::sun::star;
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namespace drawinglayer::primitive2d
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{
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Primitive2DReference PolyPolygonAlphaGradientPrimitive2D::create2DDecomposition(
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const geometry::ViewInformation2D& /*rViewInformation*/) const
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{
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if (0 == getB2DPolyPolygon().count())
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{
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// no geometry, done
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return nullptr;
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}
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if (getAlphaGradient().isDefault())
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{
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// default is a single ColorStop at 0.0 with black (0, 0, 0). The
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// luminance is then 0.0, too -> not transparent at all
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return new PolyPolygonColorPrimitive2D(getB2DPolyPolygon(), getBColor());
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}
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basegfx::BColor aSingleColor;
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if (getAlphaGradient().getColorStops().isSingleColor(aSingleColor))
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{
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// no real transparence gradient, only unified alpha,
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// we can use PolyPolygonRGBAPrimitive2D
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return new PolyPolygonRGBAPrimitive2D(getB2DPolyPolygon(), getBColor(),
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aSingleColor.luminance());
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}
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// transparency gradient is a real gradient, create TransparencePrimitive2D
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Primitive2DContainer aContent{ new PolyPolygonColorPrimitive2D(getB2DPolyPolygon(),
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getBColor()) };
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Primitive2DContainer aAlpha{ new FillGradientPrimitive2D(
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basegfx::utils::getRange(getB2DPolyPolygon()), getAlphaGradient()) };
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return new TransparencePrimitive2D(std::move(aContent), std::move(aAlpha));
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}
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PolyPolygonAlphaGradientPrimitive2D::PolyPolygonAlphaGradientPrimitive2D(
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const basegfx::B2DPolyPolygon& rPolyPolygon, const basegfx::BColor& rBColor,
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const attribute::FillGradientAttribute& rAlphaGradient)
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: maPolyPolygon(rPolyPolygon)
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, maBColor(rBColor)
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, maAlphaGradient(rAlphaGradient)
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{
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}
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bool PolyPolygonAlphaGradientPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
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{
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if (BufferedDecompositionPrimitive2D::operator==(rPrimitive))
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{
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const PolyPolygonAlphaGradientPrimitive2D& rCompare
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= static_cast<const PolyPolygonAlphaGradientPrimitive2D&>(rPrimitive);
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return (getB2DPolyPolygon() == rCompare.getB2DPolyPolygon()
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&& getBColor() == rCompare.getBColor()
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&& getAlphaGradient() == rCompare.getAlphaGradient());
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}
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return false;
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}
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basegfx::B2DRange PolyPolygonAlphaGradientPrimitive2D::getB2DRange(
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const geometry::ViewInformation2D& /*rViewInformation*/) const
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{
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// return range - without decompose
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return basegfx::utils::getRange(getB2DPolyPolygon());
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}
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// provide unique ID
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sal_uInt32 PolyPolygonAlphaGradientPrimitive2D::getPrimitive2DID() const
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{
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return PRIMITIVE2D_ID_POLYPOLYGONALPHAGRADIENTPRIMITIVE2D;
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}
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} // end of namespace
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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