Files
libreoffice/include/cppcanvas/bitmap.hxx
Noel Grandin 0f28c8612f loplugin:unused-returns in basegfx..cppcanvas
Change-Id: I32dc8c92871c8349651d2f4204a332d387e6e1b2
Reviewed-on: https://gerrit.libreoffice.org/48428
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2018-01-25 13:51:24 +01:00

71 lines
2.4 KiB
C++

/* -*- 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 .
*/
#ifndef INCLUDED_CPPCANVAS_BITMAP_HXX
#define INCLUDED_CPPCANVAS_BITMAP_HXX
#include <com/sun/star/uno/Reference.hxx>
#include <cppcanvas/canvasgraphic.hxx>
#include <cppcanvas/bitmapcanvas.hxx>
#include <memory>
namespace com { namespace sun { namespace star { namespace rendering
{
class XBitmap;
} } } }
/* Definition of Bitmap interface */
namespace cppcanvas
{
/** This interface defines a Bitmap canvas object
Consider this object part of the view, and not of the model
data, as this bitmap can only be painted on its parent canvas
*/
class Bitmap : public virtual CanvasGraphic
{
public:
/** Render to parent canvas, with global alpha.
This method renders the content to the parent canvas,
i.e. the canvas this object was constructed for.
@param nAlphaModulation
Global alpha value, with which each pixel alpha value gets
multiplied. For a normal, opaque bitmap, this will make
the bitmap appear transparent with the given alpha value
(value must be in the range [0,1]).
*/
virtual void drawAlphaModulated( double nAlphaModulation ) const = 0;
virtual BitmapCanvasSharedPtr getBitmapCanvas() const = 0;
virtual css::uno::Reference< css::rendering::XBitmap > getUNOBitmap() const = 0;
};
typedef std::shared_ptr< ::cppcanvas::Bitmap > BitmapSharedPtr;
}
#endif // INCLUDED_CPPCANVAS_BITMAP_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */