105 lines
3.5 KiB
C++
105 lines
3.5 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/BitmapAlphaPrimitive2D.hxx>
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#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
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#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
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#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
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#include <com/sun/star/awt/XBitmap.hpp>
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#include <utility>
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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 BitmapAlphaPrimitive2D::create2DDecomposition(
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const geometry::ViewInformation2D& /*rViewInformation*/) const
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{
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if (basegfx::fTools::equal(getTransparency(), 1.0))
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{
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// completely transparent, done
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return nullptr;
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}
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if (getBitmap().IsEmpty())
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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 (basegfx::fTools::equalZero(getTransparency()))
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{
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// no transparency, use simple BitmapPrimitive2D
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return Primitive2DReference{ new BitmapPrimitive2D(getBitmap(), getTransform()) };
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}
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// default: embed to UnifiedTransparencePrimitive2D
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Primitive2DContainer aContent{ new BitmapPrimitive2D(getBitmap(), getTransform()) };
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return Primitive2DReference{ new UnifiedTransparencePrimitive2D(std::move(aContent),
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getTransparency()) };
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}
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BitmapAlphaPrimitive2D::BitmapAlphaPrimitive2D(BitmapEx xXBitmap, basegfx::B2DHomMatrix aTransform,
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double fTransparency)
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: maBitmap(std::move(xXBitmap))
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, maTransform(std::move(aTransform))
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, mfTransparency(std::max(0.0, std::min(1.0, fTransparency)))
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{
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}
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bool BitmapAlphaPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
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{
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if (BasePrimitive2D::operator==(rPrimitive))
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{
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const BitmapAlphaPrimitive2D& rCompare
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= static_cast<const BitmapAlphaPrimitive2D&>(rPrimitive);
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return (getBitmap() == rCompare.getBitmap() && getTransform() == rCompare.getTransform()
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&& basegfx::fTools::equal(getTransparency(), rCompare.getTransparency()));
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}
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return false;
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}
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basegfx::B2DRange
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BitmapAlphaPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const
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{
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basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);
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aRetval.transform(maTransform);
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return aRetval;
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}
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sal_Int64 BitmapAlphaPrimitive2D::estimateUsage()
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{
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if (getBitmap().IsEmpty())
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{
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return 0;
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}
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return getBitmap().GetSizeBytes();
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}
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// provide unique ID
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sal_uInt32 BitmapAlphaPrimitive2D::getPrimitive2DID() const
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{
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return PRIMITIVE2D_ID_BITMAPALPHAPRIMITIVE2D;
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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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