/* -*- 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 <com/sun/star/uno/Reference.hxx>
#include <memory>
namespace basegfx
{
class B2DHomMatrix;
class B2DPolyPolygon;
}
namespace com::sun::star::rendering
{
class XCanvas;
struct ViewState;
}
/* Definition of BitmapCanvas */
namespace cppcanvas
{
class PolyPolygon;
class Canvas;
// forward declaration, since tools::PolyPolygon also references Canvas
typedef std::shared_ptr< PolyPolygon > PolyPolygonSharedPtr;
// forward declaration, since cloneCanvas() also references Canvas
typedef std::shared_ptr< Canvas > CanvasSharedPtr;
/** Canvas interface
*/
class Canvas
{
public :
/** Extra pixel used when canvas anti-aliases.
Enlarge the bounding box of drawing primitives by this
amount in both dimensions , and on both sides of the
bounds , to account for extra pixel touched outside the
actual primitive bounding box , when the canvas
performs anti - aliasing .
*/
static constexpr auto ANTIALIASING_EXTRA_SIZE=2 ;
Canvas() = default ;
Canvas(Canvas const &) = default ;
Canvas(Canvas &&) = default ;
Canvas & operator =(Canvas const &) = default ;
Canvas & operator =(Canvas &&) = default ;
virtual ~Canvas() {}
virtual void setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) = 0 ;
virtual ::basegfx::B2DHomMatrix getTransformation() const = 0 ;
virtual void setClip( const ::basegfx::B2DPolyPolygon& rClipPoly ) = 0 ;
virtual void setClip() = 0 ;
/** Get current clip
@ return NULL , if no clip is set , otherwise the current clip poly - polygon
*/
virtual ::basegfx::B2DPolyPolygon const * getClip() const = 0 ;
virtual CanvasSharedPtr clone() const = 0 ;
virtual void clear() const = 0 ;
// this should be considered private. if RTTI gets enabled
// someday, remove that to a separate interface
virtual css::uno::Reference<
css::rendering::XCanvas > getUNOCanvas() const = 0 ;
virtual css::rendering::ViewState getViewState() const = 0 ;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=88 H=99 G=93
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
¤
*© Formatika GbR, Deutschland