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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 _CAIROCANVAS_SPRITEHELPER_HXX
      21             : #define _CAIROCANVAS_SPRITEHELPER_HXX
      22             : 
      23             : #include <com/sun/star/rendering/XCustomSprite.hpp>
      24             : 
      25             : #include <canvas/base/canvascustomspritehelper.hxx>
      26             : 
      27             : #include <basegfx/point/b2dpoint.hxx>
      28             : #include <basegfx/vector/b2isize.hxx>
      29             : #include <basegfx/matrix/b2dhommatrix.hxx>
      30             : 
      31             : #include "cairo_spritecanvas.hxx"
      32             : 
      33             : 
      34             : namespace cairocanvas
      35             : {
      36             :     /* Definition of SpriteHelper class */
      37             : 
      38             :     /** Helper class for canvas sprites.
      39             : 
      40             :         This class implements all sprite-related functionality, like
      41             :         that available on the XSprite interface.
      42             :      */
      43           0 :     class SpriteHelper : public ::canvas::CanvasCustomSpriteHelper
      44             :     {
      45             :     public:
      46             :         /** Create sprite helper
      47             :          */
      48             :         SpriteHelper();
      49             : 
      50             :         /** Late-init the sprite helper
      51             : 
      52             :             @param rSpriteSize
      53             :             Size of the sprite
      54             : 
      55             :             @param rSpriteCanvas
      56             :             Sprite canvas this sprite is part of. Object stores
      57             :             ref-counted reference to it, thus, don't forget to pass on
      58             :             disposing()!
      59             : 
      60             :             @param rDevice
      61             :             DX device to use
      62             : 
      63             :             @param rSpriteSurface
      64             :             The surface of the sprite (not the DX texture, but the
      65             :             persistent target of content rendering)
      66             : 
      67             :             @param bShowSpriteBounds
      68             :             When true, little debug bound rects for sprites are shown
      69             :          */
      70             :         void init( const ::com::sun::star::geometry::RealSize2D& rSpriteSize,
      71             :                    const SpriteCanvasRef&                        rSpriteCanvas );
      72             : 
      73             :         void disposing();
      74             : 
      75             :         void setSurface( const ::cairo::SurfaceSharedPtr& pBufferSurface );
      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( const ::cairo::CairoSharedPtr& pCairo,
      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             : 
     101             :         SpriteCanvasRef           mpSpriteCanvas;
     102             :         ::cairo::SurfaceSharedPtr mpBufferSurface;
     103             :         mutable bool              mbTextureDirty;  // when true, texture needs update
     104             :     };
     105             : }
     106             : 
     107             : #endif /* _CAIROCANVAS_SPRITEHELPER_HXX */
     108             : 
     109             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */