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