82 lines
2.9 KiB
C++
82 lines
2.9 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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#pragma once
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#include <drawinglayer/drawinglayerdllapi.h>
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#include <drawinglayer/primitive2d/BufferedDecompositionPrimitive2D.hxx>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <vcl/bitmapex.hxx>
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namespace drawinglayer::primitive2d
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{
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/** BitmapAlphaPrimitive2D class
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This class is a BitmapPrimitive2D extended by a unified transparency
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aspect. It will decompose to a UnifiedTransparencePrimitive2D containing
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a BitmapPrimitive2D and the transparence, so no primitive processor
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has to support this primitive directly - but can if feasible.
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*/
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class DRAWINGLAYER_DLLPUBLIC BitmapAlphaPrimitive2D final : public BufferedDecompositionPrimitive2D
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{
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private:
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/// the Bitmap-data
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BitmapEx maBitmap;
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/** the object transformation from unit coordinates, defining
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size, shear, rotate and position
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*/
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basegfx::B2DHomMatrix maTransform;
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/// the transparency in range [0.0 .. 1.0]
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double mfTransparency;
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/// create local decomposition
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virtual Primitive2DReference
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create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const override;
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public:
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/// constructor
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BitmapAlphaPrimitive2D(BitmapEx xBitmap, basegfx::B2DHomMatrix aTransform,
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double fTransparency = 0.0);
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/// data read access
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const BitmapEx& getBitmap() const { return maBitmap; }
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const basegfx::B2DHomMatrix& getTransform() const { return maTransform; }
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double getTransparency() const { return mfTransparency; }
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bool hasTransparency() const { return !basegfx::fTools::equalZero(mfTransparency); }
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/// compare operator
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virtual bool operator==(const BasePrimitive2D& rPrimitive) const override;
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/// get range
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virtual basegfx::B2DRange
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getB2DRange(const geometry::ViewInformation2D& rViewInformation) const override;
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// XAccounting
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virtual sal_Int64 estimateUsage() override;
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/// provide unique ID
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virtual sal_uInt32 getPrimitive2DID() const override;
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};
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} // end of namespace drawinglayer::primitive2d
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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