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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 <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: */
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