Line data    Source code

       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 INCLUDED_BASEBMP_GENERICCOLORIMAGEACCESSOR_HXX
      21             : #define INCLUDED_BASEBMP_GENERICCOLORIMAGEACCESSOR_HXX
      22             : 
      23             : #include <basebmp/color.hxx>
      24             : #include <basebmp/bitmapdevice.hxx>
      25             : 
      26             : namespace basebmp
      27             : {
      28             :     /** Access a BitmapDevice generically
      29             : 
      30             :         This accessor deals with an opaque BitmapDevice generically,
      31             :         via getPixel()/setPixel() at the published interface.
      32             :      */
      33           0 :     class GenericColorImageAccessor
      34             :     {
      35             :         BitmapDeviceSharedPtr mpDevice;
      36             :         DrawMode              meDrawMode;
      37             : 
      38             :     public:
      39             :         typedef Color value_type;
      40             : 
      41           0 :         explicit GenericColorImageAccessor( BitmapDeviceSharedPtr const& rTarget ) :
      42             :             mpDevice(rTarget),
      43           0 :             meDrawMode(DrawMode_PAINT)
      44           0 :         {}
      45             : 
      46             :         GenericColorImageAccessor( BitmapDeviceSharedPtr const& rTarget,
      47             :                                    DrawMode                     eDrawMode ) :
      48             :             mpDevice(rTarget),
      49             :             meDrawMode(eDrawMode)
      50             :         {}
      51             : 
      52             :         template< typename Iterator >
      53           0 :         Color operator()( Iterator const& i ) const
      54           0 :         { return mpDevice->getPixel( basegfx::B2IPoint( i->x,i->y ) ); }
      55             : 
      56             :         template< typename Iterator, typename Difference >
      57             :         Color operator()( Iterator const& i, Difference const& diff) const
      58             :         { return mpDevice->getPixel( basegfx::B2IPoint( i[diff]->x,
      59             :                                                         i[diff]->y ) ); }
      60             : 
      61             :         template< typename Iterator >
      62             :         void set(Color const& value, Iterator const& i) const
      63             :         { return mpDevice->setPixel( basegfx::B2IPoint( i->x,i->y ),
      64             :                                      value, meDrawMode ); }
      65             : 
      66             :         template< class Iterator, class Difference >
      67             :         void set(value_type const& value, Iterator const& i, Difference const& diff) const
      68             :         { return mpDevice->setPixel( basegfx::B2IPoint( i[diff]->x,
      69             :                                                         i[diff]->y ),
      70             :                                      value, meDrawMode ); }
      71             :     };
      72             : }
      73             : 
      74             : #endif /* INCLUDED_BASEBMP_GENERICCOLORIMAGEACCESSOR_HXX */
      75             : 
      76             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */