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Olena
User documentation 2.1
An Image Processing Platform
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color_to_hex.hh
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// Copyright (C) 2011 EPITA Research and Development Laboratory (LRDE)
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//
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// This file is part of Olena.
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//
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// Olena is free software: you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation, version 2 of the License.
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//
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// Olena is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Olena. If not, see <http://www.gnu.org/licenses/>.
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//
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// As a special exception, you may use this file as part of a free
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// software project without restriction. Specifically, if other files
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// instantiate templates or use macros or inline functions from this
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// file, or you compile this file and link it with other files to produce
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// an executable, this file does not by itself cause the resulting
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// executable to be covered by the GNU General Public License. This
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// exception does not however invalidate any other reasons why the
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// executable file might be covered by the GNU General Public License.
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#ifndef SCRIBO_UTIL_COLOR_TO_HEX_HH
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# define SCRIBO_UTIL_COLOR_TO_HEX_HH
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#include <cstdio>
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#include <iostream>
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#include <string.h>
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#include <mln/value/rgb8.hh>
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namespace
scribo
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{
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namespace
util
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{
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using namespace
mln;
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std::string color_to_hex(
const
value::rgb8& v);
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# ifndef MLN_INCLUDE_ONLY
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inline
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std::string color_to_hex(
const
value::rgb8& v)
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{
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std::string result =
"#"
;
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char
buf[3];
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int
c = v.red();
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sprintf(buf,
"%.2X"
, c);
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result.append(buf);
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c = v.green();
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sprintf(buf,
"%.2X"
, c);
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result.append(buf);
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c = v.blue();
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sprintf(buf,
"%.2X"
, c);
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result.append(buf);
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return
result;
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}
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# endif // ! MLN_INCLUDE_ONLY
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}
// end of namespace scribo::util
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}
// end of namespace scribo
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#endif // ! SCRIBO_UTIL_COLOR_TO_HEX_HH
scribo
scribo
util
color_to_hex.hh
Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE)