1
/*M///////////////////////////////////////////////////////////////////////////////////////
3
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
5
// By downloading, copying, installing or using the software you agree to this license.
6
// If you do not agree to this license, do not download, install,
7
// copy or use the software.
11
// For Open Source Computer Vision Library
13
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
14
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
15
// Third party copyrights are property of their respective owners.
17
// Redistribution and use in source and binary forms, with or without modification,
18
// are permitted provided that the following conditions are met:
20
// * Redistribution's of source code must retain the above copyright notice,
21
// this list of conditions and the following disclaimer.
23
// * Redistribution's in binary form must reproduce the above copyright notice,
24
// this list of conditions and the following disclaimer in the documentation
25
// and/or other materials provided with the distribution.
27
// * The name of the copyright holders may not be used to endorse or promote products
28
// derived from this software without specific prior written permission.
30
// This software is provided by the copyright holders and contributors "as is" and
31
// any express or implied warranties, including, but not limited to, the implied
32
// warranties of merchantability and fitness for a particular purpose are disclaimed.
33
// In no event shall the Intel Corporation or contributors be liable for any direct,
34
// indirect, incidental, special, exemplary, or consequential damages
35
// (including, but not limited to, procurement of substitute goods or services;
36
// loss of use, data, or profits; or business interruption) however caused
37
// and on any theory of liability, whether in contract, strict liability,
38
// or tort (including negligence or otherwise) arising in any way out of
39
// the use of this software, even if advised of the possibility of such damage.
43
// this file does not contain any used code.
45
#ifndef _ncv_color_conversion_hpp_
46
#define _ncv_color_conversion_hpp_
48
#include "NCVPixelOperations.hpp"
57
template<NCVColorSpace CSin, NCVColorSpace CSout, typename Tin, typename Tout> struct __pixColorConv {
58
static void _pixColorConv(const Tin &pixIn, Tout &pixOut);
61
template<typename Tin, typename Tout> struct __pixColorConv<NCVColorSpaceRGBA, NCVColorSpaceGray, Tin, Tout> {
62
static void _pixColorConv(const Tin &pixIn, Tout &pixOut)
64
Ncv32f luma = 0.299f * pixIn.x + 0.587f * pixIn.y + 0.114f * pixIn.z;
65
_TDemoteClampNN(luma, pixOut.x);
68
template<typename Tin, typename Tout> struct __pixColorConv<NCVColorSpaceGray, NCVColorSpaceRGBA, Tin, Tout> {
69
static void _pixColorConv(const Tin &pixIn, Tout &pixOut)
71
_TDemoteClampNN(pixIn.x, pixOut.x);
72
_TDemoteClampNN(pixIn.x, pixOut.y);
73
_TDemoteClampNN(pixIn.x, pixOut.z);
77
template<NCVColorSpace CSin, NCVColorSpace CSout, typename Tin, typename Tout>
78
static NCVStatus _ncvColorConv_host(const NCVMatrix<Tin> &h_imgIn,
79
const NCVMatrix<Tout> &h_imgOut)
81
ncvAssertReturn(h_imgIn.size() == h_imgOut.size(), NCV_DIMENSIONS_INVALID);
82
ncvAssertReturn(h_imgIn.memType() == h_imgOut.memType() &&
83
(h_imgIn.memType() == NCVMemoryTypeHostPinned || h_imgIn.memType() == NCVMemoryTypeNone), NCV_MEM_RESIDENCE_ERROR);
84
NCV_SET_SKIP_COND(h_imgIn.memType() == NCVMemoryTypeNone);
87
for (Ncv32u i=0; i<h_imgIn.height(); i++)
89
for (Ncv32u j=0; j<h_imgIn.width(); j++)
91
__pixColorConv<CSin, CSout, Tin, Tout>::_pixColorConv(h_imgIn.at(j,i), h_imgOut.at(j,i));
100
#endif //_ncv_color_conversion_hpp_