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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 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                 :     725665 :     class GenericColorImageAccessor
      34                 :            :     {
      35                 :            :         BitmapDeviceSharedPtr mpDevice;
      36                 :            :         DrawMode              meDrawMode;
      37                 :            : 
      38                 :            :     public:
      39                 :            :         typedef Color value_type;
      40                 :            : 
      41                 :       6359 :         explicit GenericColorImageAccessor( BitmapDeviceSharedPtr const& rTarget ) :
      42                 :            :             mpDevice(rTarget),
      43                 :       6359 :             meDrawMode(DrawMode_PAINT)
      44                 :       6359 :         {}
      45                 :            : 
      46                 :            :         GenericColorImageAccessor( BitmapDeviceSharedPtr const& rTarget,
      47                 :            :                                    DrawMode                     eDrawMode ) :
      48                 :            :             mpDevice(rTarget),
      49                 :            :             meDrawMode(eDrawMode)
      50                 :            :         {}
      51                 :            : 
      52                 :            :         template< typename Iterator >
      53                 :   50815342 :         Color operator()( Iterator const& i ) const
      54 [ #  # ][ +  - ]:   50815342 :         { 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: */