/* -*- 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 <vcl/bitmapex.hxx>
#include <base/canvascustomspritehelper.hxx>
#include <base/spritesurface.hxx>
#include <vclwrapper.hxx>
#include "backbuffer.hxx"
namespace vclcanvas
{
/* Definition of SpriteHelper class */
/** Helper class for canvas sprites.
This class implements all sprite - related functionality , like
that available on the XSprite interface .
*/
class SpriteHelper : public ::canvas::CanvasCustomSpriteHelper
{
public :
SpriteHelper();
// make CanvasCustomSpriteHelper::init visible for name lookup
using ::canvas::CanvasCustomSpriteHelper::init;
/** Late-init the sprite helper
@ param rSpriteSize
Size of the sprite
@ param rSpriteCanvas
Sprite canvas this sprite is part of . Object stores
ref - counted reference to it , thus , don ' t forget to pass on
disposing ( ) !
@ param rBackBuffer
Buffer of the sprite content ( non - alpha part )
@ param rBackBufferMask
Buffer of the sprite content ( alpha part )
*/
void init( const css::geometry::RealSize2D& rSpriteSize,
const ::canvas::SpriteSurface::Reference& rOwningSpriteCanvas,
const BackBufferSharedPtr& rBackBuffer,
const BackBufferSharedPtr& rBackBufferMask,
bool bShowSpriteBounds );
void disposing();
/** Repaint sprite content to associated sprite canvas
@ param rPos
Output position ( sprite ' s own position is disregarded )
@ param io_bSurfacesDirty
When true , the referenced sprite surfaces ( backBuffer and
backBufferMask ) have been modified since last call .
@ param bBufferedUpdate
When true , the redraw does < em > not < / em > happen directly on
the front buffer , but within a VDev . Used to speed up
drawing .
*/
void redraw( OutputDevice& rOutDev,
const ::basegfx::B2DPoint& rPos,
bool & bSurfacesDirty,
bool bBufferedUpdate ) const ;
private :
virtual ::basegfx::B2DPolyPolygon polyPolygonFromXPolyPolygon2D(
css::uno::Reference< css::rendering::XPolyPolygon2D >& xPoly ) const override;
// for the redraw
BackBufferSharedPtr mpBackBuffer;
BackBufferSharedPtr mpBackBufferMask;
/// Cached bitmap for the current sprite content
mutable ::canvas::vcltools::VCLObject<BitmapEx> maContent;
/// When true, line sprite corners in red
bool mbShowSpriteBounds;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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