/* -*- 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 <base/canvascustomspritehelper.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include "cairo_spritecanvas.hxx"
namespace cairocanvas
{
/* 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:
/** Create sprite helper
*/
SpriteHelper();
/** 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 rDevice
DX device to use
@param rSpriteSurface
The surface of the sprite (not the DX texture, but the
persistent target of content rendering)
@param bShowSpriteBounds
When true, little debug bound rects for sprites are shown
*/
void init(
const css::geometry::RealSize2D& rSpriteSize,
const SpriteCanvasRef& rSpriteCanvas );
void disposing();
void setSurface(
const ::cairo::SurfaceSharedPtr& pBufferSurface );
/** 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(
const ::cairo::CairoSharedPtr& pCairo,
const ::basegfx::B2DPoint& rPos,
bool& bSurfacesDirty,
bool bBufferedUpdate )
const;
private:
virtual ::basegfx::B2DPolyPolygon polyPolygonFromXPolyPolygon2D(
css::uno::Reference< css::rendering::XPolyPolygon2D >& xPoly )
const override;
SpriteCanvasRef mpSpriteCanvas;
::cairo::SurfaceSharedPtr mpBufferSurface;
mutable bool mbTextureDirty;
// when true, texture needs update
};
}
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