/* -*- 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 <rendering/isurfaceproxy.hxx>
#include <rendering/icolorbuffer.hxx>
#include "pagemanager.hxx"
#include "surface.hxx"
namespace canvas
{
/** Definition of the surface proxy class.
Surface proxies are the connection between * one * source image
and * one or more * hardware surfaces ( or textures ) . in a
logical structure surface proxies represent solely this
dependency plus some simple cache management .
*/
class SurfaceProxy : public ISurfaceProxy
{
public :
SurfaceProxy( std::shared_ptr<canvas::IColorBuffer> xBuffer,
PageManagerSharedPtr xPageManager );
// ISurfaceProxy interface
virtual void setColorBufferDirty() override;
/** Render the surface content to screen.
@ param fAlpha
Overall alpha for content
@ param rPos
Output position
@ param rTransform
Output transformation ( does not affect output position )
*/
virtual bool draw( double fAlpha,
const ::basegfx::B2DPoint& rPos,
const ::basegfx::B2DHomMatrix& rTransform ) override;
/** Render the surface content to screen.
@ param fAlpha
Overall alpha for content
@ param rPos
Output position
@ param rArea
Subset of the surface to render . Coordinate system are
surface area pixel , given area will be clipped to the
surface bounds .
@ param rTransform
Output transformation ( does not affect output position )
*/
virtual bool draw( double fAlpha,
const ::basegfx::B2DPoint& rPos,
const ::basegfx::B2DRange& rArea,
const ::basegfx::B2DHomMatrix& rTransform ) override;
/** Render the surface content to screen.
@ param fAlpha
Overall alpha for content
@ param rPos
Output position
@ param rClipPoly
Clip polygon for the surface . The clip polygon is also
subject to the output transformation .
@ param rTransform
Output transformation ( does not affect output position )
*/
virtual bool draw( double fAlpha,
const ::basegfx::B2DPoint& rPos,
const ::basegfx::B2DPolyPolygon& rClipPoly,
const ::basegfx::B2DHomMatrix& rTransform ) override;
private :
PageManagerSharedPtr mpPageManager;
// the pagemanager will distribute the image
// to one or more surfaces, this is why we
// need a list here.
std::vector<SurfaceSharedPtr> maSurfaceList;
// pointer to the source of image data
// which always is stored in system memory,
// 32bit rgba and can have any size.
std::shared_ptr<canvas::IColorBuffer> mpBuffer;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=87 H=100 G=93
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-30)
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