/* -*- 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 <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/rendering/XCachedPrimitive.hpp>
#include <com/sun/star/rendering/ViewState.hpp>
#include <comphelper/compbase.hxx>
#include <canvas/canvastoolsdllapi.h>
namespace com::sun::star::rendering { class XCanvas; }
/* Definition of CachedPrimitiveBase class */
namespace canvas
{
typedef comphelper::WeakComponentImplHelper< css::rendering::XCachedPrimitive,
css::lang::XServiceInfo > CachedPrimitiveBase_Base;
/** Base class, providing common functionality for implementers of
the XCachedPrimitive interface .
*/
class CANVASTOOLS_DLLPUBLIC CachedPrimitiveBase:
public CachedPrimitiveBase_Base
{
public :
/** Create an XCachedPrimitive for given target canvas
@ param rUsedViewState
The viewstate the original object was rendered with
@ param rTarget
The target canvas the repaint should happen on .
*/
CachedPrimitiveBase( css::rendering::ViewState rUsedViewState,
css::uno::Reference< css::rendering::XCanvas > xTarget );
/// Dispose all internal references
virtual void disposing(std::unique_lock<std::mutex>& rGuard) override;
// XCachedPrimitive
virtual ::sal_Int8 SAL_CALL redraw( const css::rendering::ViewState& aState ) override;
// XServiceInfo
virtual OUString SAL_CALL getImplementationName( ) override;
virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override;
protected :
virtual ~CachedPrimitiveBase() override; // we're a ref-counted UNO class. _We_ destroy ourselves.
private :
CachedPrimitiveBase( const CachedPrimitiveBase& ) = delete ;
CachedPrimitiveBase& operator =( const CachedPrimitiveBase& ) = delete ;
/** Actually perform the requested redraw.
Clients must override this method , instead of the public
redraw ( ) one .
@ param rNewState
The viewstate to redraw with
@ param rOldState
The viewstate this cache object was created with .
@ param rTargetCanvas
Target canvas to render to .
@ param bSameViewTransform
When true , rNewState and rOldState have the same transformation .
*/
virtual ::sal_Int8 doRedraw( const css::rendering::ViewState& rNewState,
const css::rendering::ViewState& rOldState,
const css::uno::Reference< css::rendering::XCanvas >& rTargetCanvas,
bool bSameViewTransform ) = 0 ;
css::rendering::ViewState maUsedViewState;
css::uno::Reference< css::rendering::XCanvas > mxTarget;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=89 H=100 G=94
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(vorverarbeitet am 2026-09-29)
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