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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef _VCLCANVAS_SPRITEHELPER_HXX
      21             : #define _VCLCANVAS_SPRITEHELPER_HXX
      22             : 
      23             : #include <com/sun/star/rendering/XCustomSprite.hpp>
      24             : 
      25             : #include <vcl/virdev.hxx>
      26             : 
      27             : #include <canvas/base/canvascustomspritehelper.hxx>
      28             : #include <canvas/base/spritesurface.hxx>
      29             : #include <canvas/vclwrapper.hxx>
      30             : 
      31             : #include "backbuffer.hxx"
      32             : #include "impltools.hxx"
      33             : #include "spritecanvas.hxx"
      34             : 
      35             : 
      36             : namespace vclcanvas
      37             : {
      38             :     /* Definition of SpriteHelper class */
      39             : 
      40             :     /** Helper class for canvas sprites.
      41             : 
      42             :         This class implements all sprite-related functionality, like
      43             :         that available on the XSprite interface.
      44             :      */
      45           0 :     class SpriteHelper : public ::canvas::CanvasCustomSpriteHelper
      46             :     {
      47             :     public:
      48             :         SpriteHelper();
      49             : 
      50             :         // make CanvasCustomSpriteHelper::init visible for name lookup
      51             :         using ::canvas::CanvasCustomSpriteHelper::init;
      52             : 
      53             :         /** Late-init the sprite helper
      54             : 
      55             :             @param rSpriteSize
      56             :             Size of the sprite
      57             : 
      58             :             @param rSpriteCanvas
      59             :             Sprite canvas this sprite is part of. Object stores
      60             :             ref-counted reference to it, thus, don't forget to pass on
      61             :             disposing()!
      62             : 
      63             :             @param rBackBuffer
      64             :             Buffer of the sprite content (non-alpha part)
      65             : 
      66             :             @param rBackBufferMask
      67             :             Buffer of the sprite content (alpha part)
      68             :          */
      69             :         void init( const ::com::sun::star::geometry::RealSize2D& rSpriteSize,
      70             :                    const ::canvas::SpriteSurface::Reference&     rOwningSpriteCanvas,
      71             :                    const BackBufferSharedPtr&                    rBackBuffer,
      72             :                    const BackBufferSharedPtr&                    rBackBufferMask,
      73             :                    bool                                          bShowSpriteBounds );
      74             : 
      75             :         void disposing();
      76             : 
      77             :         /** Repaint sprite content to associated sprite canvas
      78             : 
      79             :             @param rPos
      80             :             Output position (sprite's own position is disregarded)
      81             : 
      82             :             @param io_bSurfacesDirty
      83             :             When true, the referenced sprite surfaces (backBuffer and
      84             :             backBufferMask) have been modified since last call.
      85             : 
      86             :             @param bBufferedUpdate
      87             :             When true, the redraw does <em>not</em> happen directly on
      88             :             the front buffer, but within a VDev. Used to speed up
      89             :             drawing.
      90             :          */
      91             :         void redraw( OutputDevice&              rOutDev,
      92             :                      const ::basegfx::B2DPoint& rPos,
      93             :                      bool&                      bSurfacesDirty,
      94             :                      bool                       bBufferedUpdate ) const;
      95             : 
      96             :     private:
      97             :         virtual ::basegfx::B2DPolyPolygon polyPolygonFromXPolyPolygon2D(
      98             :             ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D >& xPoly ) const;
      99             : 
     100             :         // for the redraw
     101             :         BackBufferSharedPtr                                 mpBackBuffer;
     102             :         BackBufferSharedPtr                                 mpBackBufferMask;
     103             : 
     104             :         /// Cached bitmap for the current sprite content
     105             :         mutable ::canvas::vcltools::VCLObject<BitmapEx>     maContent;
     106             : 
     107             :         /// When true, line sprite corners in red
     108             :         bool                                                mbShowSpriteBounds;
     109             : 
     110             :     };
     111             : }
     112             : 
     113             : #endif /* _VCLCANVAS_SPRITEHELPER_HXX */
     114             : 
     115             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */