libetonyek_utils.h
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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /*
3  * This file is part of the libetonyek project.
4  *
5  * This Source Code Form is subject to the terms of the Mozilla Public
6  * License, v. 2.0. If a copy of the MPL was not distributed with this
7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  */
9 
10 #ifndef LIBETONYEK_UTILS_H_INCLUDED
11 #define LIBETONYEK_UTILS_H_INCLUDED
12 
13 #include <cmath>
14 #include <stdio.h>
15 #include <string>
16 
17 #include <boost/shared_ptr.hpp>
18 
19 #include <librevenge/librevenge.h>
20 #include <librevenge-stream/librevenge-stream.h>
21 
22 #ifdef _MSC_VER
23 
24 typedef unsigned char uint8_t;
25 typedef unsigned short uint16_t;
26 typedef unsigned uint32_t;
27 typedef unsigned __int64 uint64_t;
28 typedef signed char int8_t;
29 typedef short int16_t;
30 typedef int int32_t;
31 typedef __int64 int64_t;
32 
33 #else
34 
35 #ifdef HAVE_CONFIG_H
36 
37 #include <config.h>
38 
39 #ifdef HAVE_STDINT_H
40 #include <stdint.h>
41 #endif
42 
43 #ifdef HAVE_INTTYPES_H
44 #include <inttypes.h>
45 #endif
46 
47 #else
48 
49 // assume that the headers are there inside LibreOffice build when no HAVE_CONFIG_H is defined
50 #include <stdint.h>
51 #include <inttypes.h>
52 
53 #endif
54 
55 #endif
56 
57 #define KEY_EPSILON 1e-9
58 #define KEY_ALMOST_ZERO(x) (std::fabs(x) < KEY_EPSILON)
59 
60 #define KEY_NUM_ELEMENTS(array) (sizeof(array) / sizeof((array)[0]))
61 
62 // debug message includes source file and line number
63 //#define VERBOSE_DEBUG 1
64 
65 #undef DEBUG
66 // do nothing with debug messages in a release compile
67 #ifdef DEBUG
68 #ifdef VERBOSE_DEBUG
69 #define KEY_DEBUG_MSG(M) printf("%15s:%5d: ", FILE, LINE); printf M
70 #define KEY_DEBUG(M) M
71 #else
72 #define KEY_DEBUG_MSG(M) printf M
73 #define KEY_DEBUG(M) M
74 #endif
75 #else
76 #define KEY_DEBUG_MSG(M)
77 #define KEY_DEBUG(M)
78 #endif
79 
80 namespace libetonyek
81 {
82 
83 /* Constants */
84 const double etonyek_half_pi(1.57079632679489661923132169163975144209858469968755291048747229615390820314310449931401741267105853399107404326e+00);
85 const double etonyek_third_pi(1.04719755119659774615421446109316762806572313312503527365831486410260546876206966620934494178070568932738269550e+00);
86 const double etonyek_pi(3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651e+00);
87 const double etonyek_two_pi(6.28318530717958647692528676655900576839433879875021164194988918461563281257241799725606965068423413596429617303e+00);
88 
89 const double etonyek_root_three(1.73205080756887729352744634150587236694280525381038062805580697945193301690880003708114618675724857567562614142e+00);
90 const double etonyek_root_two(1.41421356237309504880168872420969807856967187537694807317667973799073247846210703885038753432764157273501384623e+00);
91 
93 {
94  void operator()(void *) {}
95 };
96 
97 typedef boost::shared_ptr<librevenge::RVNGInputStream> RVNGInputStreamPtr_t;
98 
99 uint8_t readU8(const RVNGInputStreamPtr_t &input, bool = false);
100 uint16_t readU16(const RVNGInputStreamPtr_t &input, bool bigEndian=false);
101 uint32_t readU32(const RVNGInputStreamPtr_t &input, bool bigEndian=false);
102 uint64_t readU64(const RVNGInputStreamPtr_t &input, bool bigEndian=false);
103 
110 bool approxEqual(double x, double y, double eps = KEY_EPSILON);
111 
117 double pt2in(double d);
118 
120 {
121 };
122 
124 {
125 };
126 
127 } // namespace libetonyek
128 
129 #endif // LIBETONYEK_UTILS_H_INCLUDED
130 
131 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */
bool approxEqual(const KEYPath &left, const KEYPath &right, const double eps)
Definition: KEYPath.cpp:385
Definition: EtonyekDocument.cpp:40
const double etonyek_root_two(1.41421356237309504880168872420969807856967187537694807317667973799073247846210703885038753432764157273501384623e+00)
double y
Definition: KEYShape.cpp:96
Definition: libetonyek_utils.h:123
Definition: libetonyek_utils.h:119
double pt2in(const double d)
Convert a length from points to inches.
Definition: libetonyek_utils.cpp:91
Definition: libetonyek_utils.h:92
uint32_t readU32(const RVNGInputStreamPtr_t &input, bool bigEndian)
Definition: libetonyek_utils.cpp:54
const double etonyek_root_three(1.73205080756887729352744634150587236694280525381038062805580697945193301690880003708114618675724857567562614142e+00)
double x
Definition: KEYShape.cpp:95
uint8_t readU8(const RVNGInputStreamPtr_t &input, bool)
Definition: libetonyek_utils.cpp:26
#define KEY_EPSILON
Definition: libetonyek_utils.h:57
uint64_t readU64(const RVNGInputStreamPtr_t &input, bool bigEndian)
Definition: libetonyek_utils.cpp:70
void operator()(void *)
Definition: libetonyek_utils.h:94
const double etonyek_two_pi(6.28318530717958647692528676655900576839433879875021164194988918461563281257241799725606965068423413596429617303e+00)
Definition: KEY2Token.h:164
boost::shared_ptr< librevenge::RVNGInputStream > RVNGInputStreamPtr_t
Definition: libetonyek_utils.h:97
const double etonyek_half_pi(1.57079632679489661923132169163975144209858469968755291048747229615390820314310449931401741267105853399107404326e+00)
uint16_t readU16(const RVNGInputStreamPtr_t &input, bool bigEndian)
Definition: libetonyek_utils.cpp:38
RVNGInputStreamPtr_t input
Definition: EtonyekDocument.cpp:59
const double etonyek_pi(3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651e+00)
const double etonyek_third_pi(1.04719755119659774615421446109316762806572313312503527365831486410260546876206966620934494178070568932738269550e+00)

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