1 : /******************************************************************************
2 : *
3 : * Purpose: Various public (documented) utility functions.
4 : *
5 : ******************************************************************************
6 : * Copyright (c) 2009
7 : * PCI Geomatics, 50 West Wilmot Street, Richmond Hill, Ont, Canada
8 : *
9 : * Permission is hereby granted, free of charge, to any person obtaining a
10 : * copy of this software and associated documentation files (the "Software"),
11 : * to deal in the Software without restriction, including without limitation
12 : * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 : * and/or sell copies of the Software, and to permit persons to whom the
14 : * Software is furnished to do so, subject to the following conditions:
15 : *
16 : * The above copyright notice and this permission notice shall be included
17 : * in all copies or substantial portions of the Software.
18 : *
19 : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 : * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 : * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 : * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 : * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 : * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 : * DEALINGS IN THE SOFTWARE.
26 : ****************************************************************************/
27 : #include "pcidsk_config.h"
28 : #include "pcidsk_types.h"
29 : #include "pcidsk_exception.h"
30 : #include "core/pcidsk_utils.h"
31 : #include <cstdlib>
32 : #include <cstring>
33 :
34 : using namespace PCIDSK;
35 :
36 : /************************************************************************/
37 : /* DataTypeSize() */
38 : /************************************************************************/
39 :
40 : /**
41 : * Return size of data type.
42 : *
43 : * @param chan_type the channel type enumeration value.
44 : *
45 : * @return the size of the passed data type in bytes, or zero for unknown
46 : * values.
47 : */
48 :
49 647 : int PCIDSK::DataTypeSize( eChanType chan_type )
50 :
51 : {
52 647 : switch( chan_type )
53 : {
54 : case CHN_8U:
55 449 : return 1;
56 : case CHN_16S:
57 18 : return 2;
58 : case CHN_16U:
59 162 : return 2;
60 : case CHN_32R:
61 18 : return 4;
62 : default:
63 0 : return 0;
64 : }
65 : }
66 :
67 : /************************************************************************/
68 : /* DataTypeName() */
69 : /************************************************************************/
70 :
71 : /**
72 : * Return name for the data type.
73 : *
74 : * The returned values are suitable for display to people, and matches
75 : * the portion of the name after the underscore (ie. "8U" for CHN_8U.
76 : *
77 : * @param chan_type the channel type enumeration value to be translated.
78 : *
79 : * @return a string representing the data type.
80 : */
81 :
82 0 : std::string PCIDSK::DataTypeName( eChanType chan_type )
83 :
84 : {
85 0 : switch( chan_type )
86 : {
87 : case CHN_8U:
88 0 : return "8U";
89 : case CHN_16S:
90 0 : return "16S";
91 : case CHN_16U:
92 0 : return "16U";
93 : case CHN_32R:
94 0 : return "32R";
95 : default:
96 0 : return "UNK";
97 : }
98 : }
99 : /************************************************************************/
100 : /* SegmentTypeName() */
101 : /************************************************************************/
102 :
103 : /**
104 : * Return name for segment type.
105 : *
106 : * Returns a short name for the segment type code passed in. This is normally
107 : * the portion of the enumeration name that comes after the underscore - ie.
108 : * "BIT" for SEG_BIT.
109 : *
110 : * @param type the segment type code.
111 : *
112 : * @return the string for the segment type.
113 : */
114 :
115 85 : std::string PCIDSK::SegmentTypeName( eSegType type )
116 :
117 : {
118 85 : switch( type )
119 : {
120 : case SEG_BIT:
121 0 : return "BIT";
122 : case SEG_VEC:
123 0 : return "VEC";
124 : case SEG_SIG:
125 0 : return "SIG";
126 : case SEG_TEX:
127 0 : return "TEX";
128 : case SEG_GEO:
129 52 : return "GEO";
130 : case SEG_ORB:
131 0 : return "ORB";
132 : case SEG_LUT:
133 0 : return "LUT";
134 : case SEG_PCT:
135 2 : return "PCT";
136 : case SEG_BLUT:
137 0 : return "BLUT";
138 : case SEG_BPCT:
139 0 : return "BPCT";
140 : case SEG_BIN:
141 0 : return "BIN";
142 : case SEG_ARR:
143 0 : return "ARR";
144 : case SEG_SYS:
145 31 : return "SYS";
146 : case SEG_GCPOLD:
147 0 : return "GCPOLD";
148 : case SEG_GCP2:
149 0 : return "GCP2";
150 : default:
151 0 : return "UNKNOWN";
152 : }
153 : }
154 :
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