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Diffstat (limited to 'include/canvas/base/spritesurface.hxx')
-rw-r--r-- | include/canvas/base/spritesurface.hxx | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/include/canvas/base/spritesurface.hxx b/include/canvas/base/spritesurface.hxx new file mode 100644 index 000000000000..47a0fb24a67d --- /dev/null +++ b/include/canvas/base/spritesurface.hxx @@ -0,0 +1,70 @@ +/* -*- 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_SPRITESURFACE_HXX +#define INCLUDED_CANVAS_SPRITESURFACE_HXX + +#include <canvas/base/sprite.hxx> + +namespace canvas +{ + /* Definition of the SpriteSurface interface */ + + /** Canvas surface containing sprites + + Every canvas surface that contains sprites must implement this + interface, when employing the canvas base framework. The + methods provided here are used from the individual sprites to + notify the canvas about necessary screen updates. + */ + class SpriteSurface : public ::com::sun::star::uno::XInterface + { + public: + typedef ::rtl::Reference< SpriteSurface > Reference; + + /// Sprites should call this from XSprite::show() + virtual void showSprite( const Sprite::Reference& rSprite ) = 0; + + /// Sprites should call this from XSprite::hide() + virtual void hideSprite( const Sprite::Reference& rSprite ) = 0; + + /// Sprites should call this from XSprite::move() + virtual void moveSprite( const Sprite::Reference& rSprite, + const ::basegfx::B2DPoint& rOldPos, + const ::basegfx::B2DPoint& rNewPos, + const ::basegfx::B2DVector& rSpriteSize ) = 0; + + /** Sprites should call this when some part of the content has + changed. + + That includes show/hide, i.e. for show, both showSprite() + and updateSprite() must be called. + */ + virtual void updateSprite( const Sprite::Reference& rSprite, + const ::basegfx::B2DPoint& rPos, + const ::basegfx::B2DRange& rUpdateArea ) = 0; + + protected: + ~SpriteSurface() {} + }; +} + +#endif /* INCLUDED_CANVAS_SPRITESURFACE_HXX */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |