/usr/include/agg2/agg_span_allocator.h is in libagg-dev 2.5+dfsg1-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | //----------------------------------------------------------------------------
// Anti-Grain Geometry (AGG) - Version 2.5
// A high quality rendering engine for C++
// Copyright (C) 2002-2006 Maxim Shemanarev
// Contact: mcseem@antigrain.com
// mcseemagg@yahoo.com
// http://antigrain.com
//
// AGG is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// AGG is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with AGG; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
// MA 02110-1301, USA.
//----------------------------------------------------------------------------
#ifndef AGG_SPAN_ALLOCATOR_INCLUDED
#define AGG_SPAN_ALLOCATOR_INCLUDED
#include "agg_array.h"
namespace agg
{
//----------------------------------------------------------span_allocator
template<class ColorT> class span_allocator
{
public:
typedef ColorT color_type;
//--------------------------------------------------------------------
AGG_INLINE color_type* allocate(unsigned span_len)
{
if(span_len > m_span.size())
{
// To reduce the number of reallocs we align the
// span_len to 256 color elements.
// Well, I just like this number and it looks reasonable.
//-----------------------
m_span.resize(((span_len + 255) >> 8) << 8);
}
return &m_span[0];
}
AGG_INLINE color_type* span() { return &m_span[0]; }
AGG_INLINE unsigned max_span_len() const { return m_span.size(); }
private:
pod_array<color_type> m_span;
};
}
#endif
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