08f757c32f
Change-Id: Ib6e1b6182d83b09dbf5e2aeb9cf3e4ca11d9f48b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/134712 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
143 lines
4.8 KiB
C++
143 lines
4.8 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 .
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <basegfx/point/b2ipoint.hxx>
|
|
#include <basegfx/point/b2dpoint.hxx>
|
|
#include <basegfx/polygon/b2dpolygon.hxx>
|
|
#include <basegfx/range/b2drectangle.hxx>
|
|
#include <basegfx/vector/b2isize.hxx>
|
|
#include <basegfx/matrix/b2dhommatrix.hxx>
|
|
#include <rendering/icolorbuffer.hxx>
|
|
|
|
#include "pagemanager.hxx"
|
|
|
|
namespace canvas
|
|
{
|
|
/** surfaces denote occupied areas within pages.
|
|
|
|
pages encapsulate the hardware buffers that
|
|
contain image data which can be used for texturing.
|
|
surfaces are areas within those pages.
|
|
*/
|
|
class Surface
|
|
{
|
|
public:
|
|
|
|
Surface( PageManagerSharedPtr xPageManager,
|
|
std::shared_ptr<IColorBuffer> xColorBuffer,
|
|
const ::basegfx::B2IPoint& rPos,
|
|
const ::basegfx::B2ISize& rSize );
|
|
~Surface();
|
|
|
|
void setColorBufferDirty();
|
|
|
|
/** 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)
|
|
*/
|
|
bool draw( double fAlpha,
|
|
const ::basegfx::B2DPoint& rPos,
|
|
const ::basegfx::B2DHomMatrix& rTransform );
|
|
|
|
/** 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)
|
|
*/
|
|
bool drawRectangularArea(
|
|
double fAlpha,
|
|
const ::basegfx::B2DPoint& rPos,
|
|
const ::basegfx::B2DRectangle& rArea,
|
|
const ::basegfx::B2DHomMatrix& rTransform );
|
|
|
|
/** 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)
|
|
*/
|
|
bool drawWithClip( double fAlpha,
|
|
const ::basegfx::B2DPoint& rPos,
|
|
const ::basegfx::B2DPolygon& rClipPoly,
|
|
const ::basegfx::B2DHomMatrix& rTransform );
|
|
|
|
private:
|
|
std::shared_ptr<IColorBuffer> mpColorBuffer;
|
|
|
|
// invoking any of the above defined 'draw' methods
|
|
// will forward primitive commands to the rendermodule.
|
|
PageManagerSharedPtr mpPageManager;
|
|
|
|
FragmentSharedPtr mpFragment;
|
|
|
|
// the offset of this surface with regard to the source
|
|
// image. if the source image had to be tiled into multiple
|
|
// surfaces, this offset denotes the relative pixel distance
|
|
// from the source image's upper, left corner
|
|
::basegfx::B2IPoint maSourceOffset;
|
|
|
|
// the size in pixels of this surface. please note that
|
|
// this size is likely to be smaller than the size of
|
|
// the colorbuffer we're associated with since we
|
|
// maybe represent only a part of it.
|
|
::basegfx::B2ISize maSize;
|
|
|
|
bool mbIsDirty;
|
|
|
|
private:
|
|
void prepareRendering();
|
|
|
|
basegfx::B2DRectangle getUVCoords() const;
|
|
basegfx::B2DRectangle getUVCoords( const ::basegfx::B2IPoint& rPos,
|
|
const ::basegfx::B2ISize& rSize ) const;
|
|
};
|
|
|
|
typedef std::shared_ptr< Surface > SurfaceSharedPtr;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|