PostGIS  2.5.0dev-r@@SVN_REVISION@@
rt_serialize.h
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1 /*
2  *
3  * WKTRaster - Raster Types for PostGIS
4  * http://trac.osgeo.org/postgis/wiki/WKTRaster
5  *
6  * Copyright (C) 2011-2013 Regents of the University of California
7  * <bkpark@ucdavis.edu>
8  * Copyright (C) 2010-2011 Jorge Arevalo <jorge.arevalo@deimos-space.com>
9  * Copyright (C) 2010-2011 David Zwarg <dzwarg@azavea.com>
10  * Copyright (C) 2009-2011 Pierre Racine <pierre.racine@sbf.ulaval.ca>
11  * Copyright (C) 2009-2011 Mateusz Loskot <mateusz@loskot.net>
12  * Copyright (C) 2008-2009 Sandro Santilli <strk@kbt.io>
13  *
14  * This program is free software; you can redistribute it and/or
15  * modify it under the terms of the GNU General Public License
16  * as published by the Free Software Foundation; either version 2
17  * of the License, or (at your option) any later version.
18  *
19  * This program is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22  * GNU General Public License for more details.
23  *
24  * You should have received a copy of the GNU General Public License
25  * along with this program; if not, write to the Free Software Foundation,
26  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
27  *
28  */
29 
30 #ifndef RT_SERIALIZE_H_INCLUDED
31 #define RT_SERIALIZE_H_INCLUDED
32 
33 #include "librtcore.h"
34 
35 #define BANDTYPE_FLAGS_MASK 0xF0
36 #define BANDTYPE_PIXTYPE_MASK 0x0F
37 #define BANDTYPE_FLAG_OFFDB (1<<7)
38 #define BANDTYPE_FLAG_HASNODATA (1<<6)
39 #define BANDTYPE_FLAG_ISNODATA (1<<5)
40 #define BANDTYPE_FLAG_RESERVED3 (1<<4)
41 
42 #define BANDTYPE_PIXTYPE(x) ((x)&BANDTYPE_PIXTYPE_MASK)
43 #define BANDTYPE_IS_OFFDB(x) ((x)&BANDTYPE_FLAG_OFFDB)
44 #define BANDTYPE_HAS_NODATA(x) ((x)&BANDTYPE_FLAG_HASNODATA)
45 #define BANDTYPE_IS_NODATA(x) ((x)&BANDTYPE_FLAG_ISNODATA)
46 
47 #if POSTGIS_DEBUG_LEVEL > 2
48 char*
49 d_binary_to_hex(const uint8_t * const raw, uint32_t size, uint32_t *hexsize);
50 
51 void
52 d_print_binary_hex(const char* msg, const uint8_t * const raw, uint32_t size);
53 
54 size_t
55 d_binptr_to_pos(const uint8_t * const ptr, const uint8_t * const end, size_t size);
56 
57 #define CHECK_BINPTR_POSITION(ptr, end, size, pos) \
58  { if (pos != d_binptr_to_pos(ptr, end, size)) { \
59  fprintf(stderr, "Check of binary stream pointer position failed on line %d\n", __LINE__); \
60  fprintf(stderr, "\tactual = %lu, expected = %lu\n", (long unsigned)d_binptr_to_pos(ptr, end, size), (long unsigned)pos); \
61  } }
62 
63 #else
64 
65 #define CHECK_BINPTR_POSITION(ptr, end, size, pos) ((void)0);
66 
67 #endif /* if POSTGIS_DEBUG_LEVEL > 2 */
68 
69 #ifdef OPTIMIZE_SPACE
70 
71 /*
72  * Set given number of bits of the given byte,
73  * starting from given bitOffset (from the first)
74  * to the given value.
75  *
76  * Examples:
77  * char ch;
78  * ch=0; setBits(&ch, 1, 1, 0) -> ch==8
79  * ch=0; setBits(&ch, 3, 2, 1) -> ch==96 (0x60)
80  *
81  * Note that number of bits set must be <= 8-bitOffset
82  *
83  */
84 void
85 setBits(char* ch, double val, int bits, int bitOffset);
86 
87 #endif /* ifdef OPTIMIZE_SPACE */
88 
89 void
90 swap_char(uint8_t *a, uint8_t *b);
91 
92 void
94 
95 void
97 
98 void
100 
101 uint8_t
103 
104 uint8_t
105 read_uint8(const uint8_t** from);
106 
107 /* unused up to now
108 void
109 write_uint8(uint8_t** from, uint8_t v);
110 */
111 
112 int8_t
113 read_int8(const uint8_t** from);
114 
115 /* unused up to now
116 void
117 write_int8(uint8_t** from, int8_t v);
118 */
119 
120 uint16_t
121 read_uint16(const uint8_t** from, uint8_t littleEndian);
122 
123 void
124 write_uint16(uint8_t** to, uint8_t littleEndian, uint16_t v);
125 
126 int16_t
127 read_int16(const uint8_t** from, uint8_t littleEndian);
128 
129 /* unused up to now
130 void
131 write_int16(uint8_t** to, uint8_t littleEndian, int16_t v);
132 */
133 
134 uint32_t
135 read_uint32(const uint8_t** from, uint8_t littleEndian);
136 
137 /* unused up to now
138 void
139 write_uint32(uint8_t** to, uint8_t littleEndian, uint32_t v);
140 */
141 
142 int32_t
143 read_int32(const uint8_t** from, uint8_t littleEndian);
144 
145 /* unused up to now
146 void
147 write_int32(uint8_t** to, uint8_t littleEndian, int32_t v);
148 */
149 
150 float
151 read_float32(const uint8_t** from, uint8_t littleEndian);
152 
153 /* unused up to now
154 void
155 write_float32(uint8_t** from, uint8_t littleEndian, float f);
156 */
157 
158 double
159 read_float64(const uint8_t** from, uint8_t littleEndian);
160 
161 /* unused up to now
162 void
163 write_float64(uint8_t** to, uint8_t littleEndian, double v);
164 */
165 
166 #endif /* RT_SERIALIZE_H_INCLUDED */
void flip_endian_16(uint8_t *d)
Definition: rt_serialize.c:165
unsigned int uint32_t
Definition: uthash.h:78
int16_t read_int16(const uint8_t **from, uint8_t littleEndian)
Definition: rt_serialize.c:261
void write_uint16(uint8_t **to, uint8_t littleEndian, uint16_t v)
Definition: rt_serialize.c:247
uint32_t read_uint32(const uint8_t **from, uint8_t littleEndian)
Definition: rt_serialize.c:287
void flip_endian_32(uint8_t *d)
Definition: rt_serialize.c:172
uint16_t read_uint16(const uint8_t **from, uint8_t littleEndian)
Definition: rt_serialize.c:229
uint8_t isMachineLittleEndian(void)
Definition: rt_serialize.c:190
uint8_t read_uint8(const uint8_t **from)
Definition: rt_serialize.c:197
int8_t read_int8(const uint8_t **from)
Definition: rt_serialize.c:213
This library is the generic raster handling section of PostGIS.
int32_t read_int32(const uint8_t **from, uint8_t littleEndian)
Definition: rt_serialize.c:333
double read_float64(const uint8_t **from, uint8_t littleEndian)
Definition: rt_serialize.c:389
void swap_char(uint8_t *a, uint8_t *b)
Definition: rt_serialize.c:154
float read_float32(const uint8_t **from, uint8_t littleEndian)
Definition: rt_serialize.c:363
unsigned char uint8_t
Definition: uthash.h:79
void flip_endian_64(uint8_t *d)
Definition: rt_serialize.c:180