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cairo_spritehelper.hxx


products/Sources/formale Sprachen/C/LibreOffice/canvas/source/cairo/cairo_spritehelper.hxx

/* -*- 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 #include #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 not 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 }; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

                                                                                                                                                                                                                                                                                                                                                                                                     

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