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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 .
*/
#ifndef INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_SPRITECANVASHELPER_HXX
#define INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_SPRITECANVASHELPER_HXX
#include <com/sun/star/rendering/XSpriteCanvas.hpp>
#include <com/sun/star/rendering/XIntegerBitmap.hpp>
#include <canvas/spriteredrawmanager.hxx>
#include <vcl/cairo.hxx>
#include "cairo_canvashelper.hxx"
namespace basegfx
{
class B2IRange;
}
namespace cairocanvas
{
class SpriteCanvas;
class SpriteCanvasHelper : public CanvasHelper
{
public:
SpriteCanvasHelper();
void init( ::canvas::SpriteRedrawManager& rManager,
SpriteCanvas& rOwningSpriteCanvas,
const ::basegfx::B2ISize& rSize );
/// Dispose all internal references
void disposing();
// XSpriteCanvas
css::uno::Reference< css::rendering::XAnimatedSprite > createSpriteFromAnimation(
const css::uno::Reference< css::rendering::XAnimation >& animation );
css::uno::Reference< css::rendering::XAnimatedSprite > createSpriteFromBitmaps(
const css::uno::Sequence<
css::uno::Reference<
css::rendering::XBitmap > >& animationBitmaps,
sal_Int8 interpolationMode );
css::uno::Reference< css::rendering::XCustomSprite > createCustomSprite(
const css::geometry::RealSize2D& spriteSize );
css::uno::Reference< css::rendering::XSprite > createClonedSprite(
const css::uno::Reference< css::rendering::XSprite >& original );
/** Actually perform the screen update
@param rCurrArea
Current window area in absolute screen coordinates
@param bUpdateAll
sal_True, if everything must be updated, not only changed
sprites
@param io_bSurfaceDirty
In/out parameter, whether backbuffer surface is dirty (if
yes, we're performing a full update, anyway)
*/
bool updateScreen( const ::basegfx::B2IRange& rCurrArea,
bool bUpdateAll,
bool& io_bSurfaceDirty );
// SpriteRedrawManager functor calls
/** Gets called for simple background repaints
*/
void backgroundPaint( const ::basegfx::B2DRange& rUpdateRect );
/** Gets called when area can be handled by scrolling.
Called method must copy screen content from rMoveStart to
rMoveEnd, and restore the background in the uncovered
areas.
@param rMoveStart
Source rect of the scroll
@param rMoveEnd
Dest rect of the scroll
@param rUpdateArea
All info necessary, should rMoveStart be partially or
fully outside the outdev
*/
void scrollUpdate( const ::basegfx::B2DRange& rMoveStart,
const ::basegfx::B2DRange& rMoveEnd,
const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea );
void opaqueUpdate( const ::basegfx::B2DRange& rTotalArea,
const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
void genericUpdate( const ::basegfx::B2DRange& rTotalArea,
const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
private:
::cairo::SurfaceSharedPtr const & getCompositingSurface( const ::basegfx::B2ISize& rNeededSize );
::cairo::SurfaceSharedPtr const & getTemporarySurface();
::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rNeededSize ) const;
/// Set from the SpriteCanvas: instance coordinating sprite redraw
::canvas::SpriteRedrawManager* mpRedrawManager;
/// Set from the init method. used to generate sprites
SpriteCanvas* mpOwningSpriteCanvas;
/// a surface used to composite the frontbuffer image
::cairo::SurfaceSharedPtr mpCompositingSurface;
::basegfx::B2ISize maCompositingSurfaceSize;
bool mbCompositingSurfaceDirty;
/// a temporary surface that is guaranteed to be the same size
//as the compositing surface
::cairo::SurfaceSharedPtr mpTemporarySurface;
};
}
#endif // INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_SPRITECANVASHELPER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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