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00010 #ifndef LIBETONYEK_UTILS_H_INCLUDED
00011 #define LIBETONYEK_UTILS_H_INCLUDED
00012
00013 #include <cmath>
00014 #include <string>
00015
00016 #include <boost/shared_ptr.hpp>
00017
00018 #include <librevenge/librevenge.h>
00019 #include <librevenge-stream/librevenge-stream.h>
00020
00021 #ifdef _MSC_VER
00022
00023 typedef unsigned char uint8_t;
00024 typedef unsigned short uint16_t;
00025 typedef unsigned uint32_t;
00026 typedef unsigned __int64 uint64_t;
00027 typedef signed char int8_t;
00028 typedef short int16_t;
00029 typedef int int32_t;
00030 typedef __int64 int64_t;
00031
00032 #else
00033
00034 #ifdef HAVE_CONFIG_H
00035
00036 #include <config.h>
00037
00038 #ifdef HAVE_STDINT_H
00039 #include <stdint.h>
00040 #endif
00041
00042 #ifdef HAVE_INTTYPES_H
00043 #include <inttypes.h>
00044 #endif
00045
00046 #else
00047
00048
00049 #include <stdint.h>
00050 #include <inttypes.h>
00051
00052 #endif
00053
00054 #endif
00055
00056 #define ETONYEK_EPSILON 1e-9
00057 #define ETONYEK_ALMOST_ZERO(x) (std::fabs(x) < ETONYEK_EPSILON)
00058
00059 #define ETONYEK_NUM_ELEMENTS(array) (sizeof(array) / sizeof((array)[0]))
00060
00061 #if defined(__clang__) || defined(__GNUC__)
00062 # define ETONYEK_ATTRIBUTE_PRINTF(fmt, arg) __attribute__((__format__(__printf__, fmt, arg)))
00063 #else
00064 # define ETONYEK_ATTRIBUTE_PRINTF(fmt, arg)
00065 #endif
00066
00067
00068
00069
00070
00071 #ifdef DEBUG
00072 namespace libetonyek
00073 {
00074 void debugPrint(const char *format, ...) ETONYEK_ATTRIBUTE_PRINTF(1, 2);
00075 }
00076 #ifdef VERBOSE_DEBUG
00077 #define ETONYEK_DEBUG_MSG(M) libetonyek::debugPrint("%15s:%5d: ", FILE, LINE); libetonyek::debugPrint M
00078 #define ETONYEK_DEBUG(M) M
00079 #else
00080 #define ETONYEK_DEBUG_MSG(M) libetonyek::debugPrint M
00081 #define ETONYEK_DEBUG(M) M
00082 #endif
00083 #else
00084 #define ETONYEK_DEBUG_MSG(M)
00085 #define ETONYEK_DEBUG(M)
00086 #endif
00087
00088 namespace libetonyek
00089 {
00090
00091 struct IWORKColor;
00092 struct IWORKStroke;
00093
00094
00095 const double etonyek_half_pi(1.57079632679489661923132169163975144209858469968755291048747229615390820314310449931401741267105853399107404326e+00);
00096 const double etonyek_third_pi(1.04719755119659774615421446109316762806572313312503527365831486410260546876206966620934494178070568932738269550e+00);
00097 const double etonyek_pi(3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651e+00);
00098 const double etonyek_two_pi(6.28318530717958647692528676655900576839433879875021164194988918461563281257241799725606965068423413596429617303e+00);
00099
00100 const double etonyek_root_three(1.73205080756887729352744634150587236694280525381038062805580697945193301690880003708114618675724857567562614142e+00);
00101 const double etonyek_root_two(1.41421356237309504880168872420969807856967187537694807317667973799073247846210703885038753432764157273501384623e+00);
00102
00103
00104 const unsigned ETONYEK_EPOCH_BEGIN(978307200);
00105
00106 struct EtonyekDummyDeleter
00107 {
00108 void operator()(void *) {}
00109 };
00110
00111 typedef boost::shared_ptr<librevenge::RVNGInputStream> RVNGInputStreamPtr_t;
00112
00113 uint8_t readU8(const RVNGInputStreamPtr_t &input, bool = false);
00114 uint16_t readU16(const RVNGInputStreamPtr_t &input, bool bigEndian=false);
00115 uint32_t readU32(const RVNGInputStreamPtr_t &input, bool bigEndian=false);
00116 uint64_t readU64(const RVNGInputStreamPtr_t &input, bool bigEndian=false);
00117
00118 uint64_t readUVar(const RVNGInputStreamPtr_t &input);
00119 int64_t readSVar(const RVNGInputStreamPtr_t &input);
00120
00121 double readDouble(const RVNGInputStreamPtr_t &input);
00122 float readFloat(const RVNGInputStreamPtr_t &input);
00123
00124 unsigned long getLength(const RVNGInputStreamPtr_t &input);
00125 unsigned long getRemainingLength(const RVNGInputStreamPtr_t &input);
00126
00133 bool approxEqual(double x, double y, double eps = ETONYEK_EPSILON);
00134
00135 template<class T>
00136 bool approxEqual(const T &left, const T &right, const double eps = ETONYEK_EPSILON)
00137 {
00138 assert(left.length() == right.length());
00139
00140 for (int i = 0; i != left.length(); ++i)
00141 {
00142 if (!approxEqual(left[i], right[i], eps))
00143 return false;
00144 }
00145 return true;
00146 }
00147
00153 double pt2in(double d);
00154
00160 double deg2rad(double value);
00161
00167 double rad2deg(double value);
00168
00169 librevenge::RVNGString makeColor(const IWORKColor &color);
00170
00171 void writeBorder(const IWORKStroke &stroke, const char *name, librevenge::RVNGPropertyList &props);
00172
00173 class EndOfStreamException
00174 {
00175 };
00176
00177 class GenericException
00178 {
00179 };
00180
00181 }
00182
00183 #endif // LIBETONYEK_UTILS_H_INCLUDED
00184
00185