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ccextractor/windows/libs/include/environ.h
Evgeny 331a64e387 Added working tesseract 4.00
2016-12-23 18:01:12 +03:00

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/*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following
- disclaimer in the documentation and/or other materials
- provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*====================================================================*/
#ifndef LEPTONICA_ENVIRON_H
#define LEPTONICA_ENVIRON_H
/*------------------------------------------------------------------------*
* Defines and includes differ for Unix and Windows. Also for Windows, *
* differentiate between conditionals based on platform and compiler. *
* For platforms: *
* _WIN32 => Windows, 32- or 64-bit *
* _WIN64 => Windows, 64-bit only *
* __CYGWIN__ => Cygwin *
* For compilers: *
* __GNUC__ => gcc *
* _MSC_VER => msvc *
*------------------------------------------------------------------------*/
/* MS VC++ does not provide stdint.h, so define the missing types here */
#ifndef _MSC_VER
#include <stdint.h>
#else
/* Note that _WIN32 is defined for both 32 and 64 bit applications,
whereas _WIN64 is defined only for the latter */
#ifdef _WIN64
typedef __int64 intptr_t;
typedef unsigned __int64 uintptr_t;
#else
typedef int intptr_t;
typedef unsigned int uintptr_t;
#endif
/* VC++6 doesn't seem to have powf, expf. */
#if (_MSC_VER < 1400)
#define powf(x, y) (float)pow((double)(x), (double)(y))
#define expf(x) (float)exp((double)(x))
#endif
#endif /* _MSC_VER */
/* Windows specifics */
#ifdef _WIN32
/* DLL EXPORTS and IMPORTS */
#if defined(LIBLEPT_EXPORTS)
#define LEPT_DLL __declspec(dllexport)
#elif defined(LIBLEPT_IMPORTS)
#define LEPT_DLL __declspec(dllimport)
#else
#define LEPT_DLL
#endif
#else /* non-Windows specifics */
#include <stdint.h>
#define LEPT_DLL
#endif /* _WIN32 */
typedef intptr_t l_intptr_t;
typedef uintptr_t l_uintptr_t;
/*--------------------------------------------------------------------*
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
* USER CONFIGURABLE *
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
* Environment variables with I/O libraries *
* Manual Configuration Only: NOT AUTO_CONF *
*--------------------------------------------------------------------*/
/*
* Leptonica provides interfaces to link to several external image
* I/O libraries, plus zlib. Setting any of these to 0 here causes
* non-functioning stubs to be linked.
*/
#if !defined(HAVE_CONFIG_H) && !defined(ANDROID_BUILD) && !defined(OS_IOS)
#define HAVE_LIBJPEG 1
#define HAVE_LIBTIFF 1
#define HAVE_LIBPNG 1
#define HAVE_LIBZ 1
#define HAVE_LIBGIF 0
#define HAVE_LIBUNGIF 0
#define HAVE_LIBWEBP 0
#define HAVE_LIBJP2K 0
/* Leptonica supports both OpenJPEG 2.0 and 2.1. If you have a
* version of openjpeg (HAVE_LIBJP2K) that is not 2.1, set the
* path to the openjpeg.h header in angle brackets here. */
#define LIBJP2K_HEADER <openjpeg-2.1/openjpeg.h>
#endif /* ! HAVE_CONFIG_H etc. */
/*
* On linux systems, you can do I/O between Pix and memory. Specifically,
* you can compress (write compressed data to memory from a Pix) and
* uncompress (read from compressed data in memory to a Pix).
* For jpeg, png, jp2k, gif, pnm and bmp, these use the non-posix GNU
* functions fmemopen() and open_memstream(). These functions are not
* available on other systems.
* To use these functions in linux, you must define HAVE_FMEMOPEN to 1.
* To use them on MacOS, which does not support these functions, set it to 0.
*/
#if !defined(HAVE_CONFIG_H) && !defined(ANDROID_BUILD) && !defined(OS_IOS) && \
!defined(_WIN32)
#define HAVE_FMEMOPEN 1
#endif /* ! HAVE_CONFIG_H etc. */
/*--------------------------------------------------------------------*
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
* USER CONFIGURABLE *
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
* Environ variables for image I/O without external libraries *
*--------------------------------------------------------------------*/
/*
* Leptonica supplies I/O support without using external libraries for:
* * image read/write for bmp, pnm
* * header read for jp2k
* * image wrapping write for pdf and ps.
* Setting any of these to 0 causes non-functioning stubs to be linked.
*/
#define USE_BMPIO 1
#define USE_PNMIO 1
#define USE_JP2KHEADER 1
#define USE_PDFIO 1
#define USE_PSIO 1
/*--------------------------------------------------------------------*
* It is desirable on Windows to have all temp files written to the same
* subdirectory of the Windows <Temp> directory, because files under <Temp>
* persist after reboot, and the regression tests write a lot of files.
* We write all test files to /tmp/lept or subdirectories of /tmp/lept.
* Windows temp files are specified as in unix, but have the translation
* /tmp/lept/xxx --> <Temp>/lept/xxx
*--------------------------------------------------------------------*/
/*--------------------------------------------------------------------*
* Built-in types *
*--------------------------------------------------------------------*/
typedef signed char l_int8; /*!< signed 8-bit value */
typedef unsigned char l_uint8; /*!< unsigned 8-bit value */
typedef short l_int16; /*!< signed 16-bit value */
typedef unsigned short l_uint16; /*!< unsigned 16-bit value */
typedef int l_int32; /*!< signed 32-bit value */
typedef unsigned int l_uint32; /*!< unsigned 32-bit value */
typedef float l_float32; /*!< 32-bit floating point value */
typedef double l_float64; /*!< 64-bit floating point value */
#ifdef COMPILER_MSVC
typedef __int64 l_int64; /*!< signed 64-bit value */
typedef unsigned __int64 l_uint64; /*!< unsigned 64-bit value */
#else
typedef long long l_int64; /*!< signed 64-bit value */
typedef unsigned long long l_uint64; /*!< unsigned 64-bit value */
#endif /* COMPILER_MSVC */
/*------------------------------------------------------------------------*
* Standard macros *
*------------------------------------------------------------------------*/
#ifndef L_MIN
/*! Minimum of %x and %y */
#define L_MIN(x,y) (((x) < (y)) ? (x) : (y))
#endif
#ifndef L_MAX
/*! Maximum of %x and %y */
#define L_MAX(x,y) (((x) > (y)) ? (x) : (y))
#endif
#ifndef L_ABS
/*! Absoulute value of %x */
#define L_ABS(x) (((x) < 0) ? (-1 * (x)) : (x))
#endif
#ifndef L_SIGN
/*! Sign of %x */
#define L_SIGN(x) (((x) < 0) ? -1 : 1)
#endif
#ifndef UNDEF
/*! Undefined value */
#define UNDEF -1
#endif
#ifndef NULL
/*! NULL value */
#define NULL 0
#endif
#ifndef TRUE
/*! True value */
#define TRUE 1
#endif
#ifndef FALSE
/*! False value */
#define FALSE 0
#endif
/*--------------------------------------------------------------------*
* Environment variables for endian dependence *
*--------------------------------------------------------------------*/
/*
* To control conditional compilation, one of two variables
*
* L_LITTLE_ENDIAN (e.g., for Intel X86)
* L_BIG_ENDIAN (e.g., for Sun SPARC, Mac Power PC)
*
* is defined when the GCC compiler is invoked.
* All code should compile properly for both hardware architectures.
*/
/*------------------------------------------------------------------------*
* Simple search state variables *
*------------------------------------------------------------------------*/
/*! Simple search state variables */
enum {
L_NOT_FOUND = 0,
L_FOUND = 1
};
/*------------------------------------------------------------------------*
* Path separator conversion *
*------------------------------------------------------------------------*/
/*! Path separator conversion */
enum {
UNIX_PATH_SEPCHAR = 0,
WIN_PATH_SEPCHAR = 1
};
/*------------------------------------------------------------------------*
* Timing structs *
*------------------------------------------------------------------------*/
typedef void *L_TIMER;
/*! Timing struct */
struct L_WallTimer {
l_int32 start_sec;
l_int32 start_usec;
l_int32 stop_sec;
l_int32 stop_usec;
};
typedef struct L_WallTimer L_WALLTIMER;
/*------------------------------------------------------------------------*
* Standard memory allocation *
* *
* These specify the memory management functions that are used *
* on all heap data except for Pix. Memory management for Pix *
* also defaults to malloc and free. See pix1.c for details. *
*------------------------------------------------------------------------*/
#define LEPT_MALLOC(blocksize) malloc(blocksize)
#define LEPT_CALLOC(numelem, elemsize) calloc(numelem, elemsize)
#define LEPT_REALLOC(ptr, blocksize) realloc(ptr, blocksize)
#define LEPT_FREE(ptr) free(ptr)
/*------------------------------------------------------------------------*
* Control printing of error, warning, and info messages *
* *
* To omit all messages to stderr, simply define NO_CONSOLE_IO on the *
* command line. For finer grained control, we have a mechanism *
* based on the message severity level. The following assumes that *
* NO_CONSOLE_IO is not defined. *
* *
* Messages are printed if the message severity is greater than or equal *
* to the current severity threshold. The current severity threshold *
* is the greater of the compile-time severity, which is the minimum *
* severity that can be reported, and the run-time severity, which is *
* the severity threshold at the moment. *
* *
* The compile-time threshold determines which messages are compiled *
* into the library for potential printing. Messages below the *
* compile-time threshold are omitted and can never be printed. The *
* default compile-time threshold is L_SEVERITY_INFO, but this may be *
* overridden by defining MINIMUM_SEVERITY to the desired enumeration *
* identifier on the compiler command line. Defining NO_CONSOLE_IO on *
* the command line is the same as setting MINIMUM_SEVERITY to *
* L_SEVERITY_NONE. *
* *
* The run-time threshold determines which messages are printed during *
* library execution. It defaults to the compile-time threshold but *
* may be changed either statically by defining DEFAULT_SEVERITY to *
* the desired enumeration identifier on the compiler command line, or *
* dynamically by calling setMsgSeverity() to specify a new threshold. *
* The run-time threshold may also be set from the value of the *
* environment variable LEPT_MSG_SEVERITY by calling setMsgSeverity() *
* and specifying L_SEVERITY_EXTERNAL. *
* *
* In effect, the compile-time threshold setting says, "Generate code *
* to permit messages of equal or greater severity than this to be *
* printed, if desired," whereas the run-time threshold setting says, *
* "Print messages that have an equal or greater severity than this." *
*------------------------------------------------------------------------*/
/*! Control printing of error, warning and info messages */
enum {
L_SEVERITY_EXTERNAL = 0, /* Get the severity from the environment */
L_SEVERITY_ALL = 1, /* Lowest severity: print all messages */
L_SEVERITY_DEBUG = 2, /* Print debugging and higher messages */
L_SEVERITY_INFO = 3, /* Print informational and higher messages */
L_SEVERITY_WARNING = 4, /* Print warning and higher messages */
L_SEVERITY_ERROR = 5, /* Print error and higher messages */
L_SEVERITY_NONE = 6 /* Highest severity: print no messages */
};
/* No message less than the compile-time threshold will ever be
* reported, regardless of the current run-time threshold. This allows
* selection of the set of messages to include in the library. For
* example, setting the threshold to L_SEVERITY_WARNING eliminates all
* informational messages from the library. With that setting, both
* warning and error messages would be printed unless setMsgSeverity()
* was called, or DEFAULT_SEVERITY was redefined, to set the run-time
* severity to L_SEVERITY_ERROR. In that case, only error messages
* would be printed.
*
* This mechanism makes the library smaller and faster, by eliminating
* undesired message reporting and the associated run-time overhead for
* message threshold checking, because code for messages whose severity
* is lower than MINIMUM_SEVERITY won't be generated.
*
* A production library might typically permit ERROR messages to be
* generated, and a development library might permit DEBUG and higher.
* The actual messages printed (as opposed to generated) would depend
* on the current run-time severity threshold.
*
* This is a complex mechanism and a few examples may help.
* (1) No output permitted under any circumstances.
* Use: -DNO_CONSOLE_IO or -DMINIMUM_SEVERITY=6
* (2) Suppose you want to only allow error messages, and you don't
* want to permit info or warning messages at runtime.
* Use: -DMINIMUM_SEVERITY=5
* (3) Suppose you want to only allow error messages by default,
* but you will permit this to be over-ridden at runtime.
* Use: -DDEFAULT_SEVERITY=5
* and to allow info and warning override:
* setMsgSeverity(L_SEVERITY_INFO);
*/
#ifdef NO_CONSOLE_IO
#undef MINIMUM_SEVERITY
#undef DEFAULT_SEVERITY
#define MINIMUM_SEVERITY L_SEVERITY_NONE /*!< Compile-time default */
#define DEFAULT_SEVERITY L_SEVERITY_NONE /*!< Run-time default */
#else
#ifndef MINIMUM_SEVERITY
#define MINIMUM_SEVERITY L_SEVERITY_INFO /*!< Compile-time default */
#endif
#ifndef DEFAULT_SEVERITY
#define DEFAULT_SEVERITY MINIMUM_SEVERITY /*!< Run-time default */
#endif
#endif
/*! The run-time message severity threshold is defined in utils.c. */
LEPT_DLL extern l_int32 LeptMsgSeverity;
/*
* <pre>
* Usage
* =====
* Messages are of two types.
*
* (1) The messages
* ERROR_INT(a,b,c) : returns l_int32
* ERROR_FLOAT(a,b,c) : returns l_float32
* ERROR_PTR(a,b,c) : returns void*
* are used to return from functions and take a fixed set of parameters:
* a : <message string>
* b : procName
* c : <return value from function>
* where procName is the name of the local variable naming the function.
*
* (2) The purely informational L_* messages
* L_ERROR(a,...)
* L_WARNING(a,...)
* L_INFO(a,...)
* do not take a return value, but they take at least two parameters:
* a : <message string> with optional format conversions
* v1 : procName (this must be included as the first vararg)
* v2, ... : optional varargs to match format converters in the message
*
* To return an error from a function that returns void, use:
* L_ERROR(<message string>, procName, [...])
* return;
*
* Implementation details
* ======================
* Messages are defined with the IF_SEV macro. The first parameter is
* the message severity, the second is the function to call if the
* message is to be printed, and the third is the return value if the
* message is to be suppressed. For example, we might have an
* informational message defined as:
*
* IF_SEV(L_SEVERITY_INFO, fprintf(.......), 0)
*
* The macro expands into a conditional. Because the first comparison
* is between two constants, an optimizing compiler will remove either
* the comparison (if it's true) or the entire macro expansion (if it
* is false). This means that there is no run-time overhead for
* messages whose severity falls below the minimum specified at compile
* time, and for others the overhead is one (not two) comparisons.
*
* The L_nnn() macros below do not return a value, but because the
* conditional operator requires one for the false condition, we
* specify a void expression.
* </pre>
*/
#ifdef NO_CONSOLE_IO
#define PROCNAME(name)
#define ERROR_INT(a,b,c) ((l_int32)(c))
#define ERROR_FLOAT(a,b,c) ((l_float32)(c))
#define ERROR_PTR(a,b,c) ((void *)(c))
#define L_ERROR(a,...)
#define L_WARNING(a,...)
#define L_INFO(a,...)
#else
#define PROCNAME(name) static const char procName[] = name
#define IF_SEV(l,t,f) \
((l) >= MINIMUM_SEVERITY && (l) >= LeptMsgSeverity ? (t) : (f))
#define ERROR_INT(a,b,c) \
IF_SEV(L_SEVERITY_ERROR, returnErrorInt((a),(b),(c)), (l_int32)(c))
#define ERROR_FLOAT(a,b,c) \
IF_SEV(L_SEVERITY_ERROR, returnErrorFloat((a),(b),(c)), (l_float32)(c))
#define ERROR_PTR(a,b,c) \
IF_SEV(L_SEVERITY_ERROR, returnErrorPtr((a),(b),(c)), (void *)(c))
#define L_ERROR(a,...) \
IF_SEV(L_SEVERITY_ERROR, \
(void)fprintf(stderr, "Error in %s: " a, __VA_ARGS__), \
(void)0)
#define L_WARNING(a,...) \
IF_SEV(L_SEVERITY_WARNING, \
(void)fprintf(stderr, "Warning in %s: " a, __VA_ARGS__), \
(void)0)
#define L_INFO(a,...) \
IF_SEV(L_SEVERITY_INFO, \
(void)fprintf(stderr, "Info in %s: " a, __VA_ARGS__), \
(void)0)
#if 0 /* Alternative method for controlling L_* message output */
#define L_ERROR(a,...) \
{ if (L_SEVERITY_ERROR >= MINIMUM_SEVERITY && \
L_SEVERITY_ERROR >= LeptMsgSeverity) \
fprintf(stderr, "Error in %s: " a, __VA_ARGS__) \
}
#define L_WARNING(a,...) \
{ if (L_SEVERITY_WARNING >= MINIMUM_SEVERITY && \
L_SEVERITY_WARNING >= LeptMsgSeverity) \
fprintf(stderr, "Warning in %s: " a, __VA_ARGS__) \
}
#define L_INFO(a,...) \
{ if (L_SEVERITY_INFO >= MINIMUM_SEVERITY && \
L_SEVERITY_INFO >= LeptMsgSeverity) \
fprintf(stderr, "Info in %s: " a, __VA_ARGS__) \
}
#endif
#endif /* NO_CONSOLE_IO */
/*------------------------------------------------------------------------*
* snprintf() renamed in MSVC (pre-VS2015) *
*------------------------------------------------------------------------*/
#if defined _MSC_VER && _MSC_VER < 1900
#define snprintf(buf, size, ...) _snprintf_s(buf, size, _TRUNCATE, __VA_ARGS__)
#endif
#endif /* LEPTONICA_ENVIRON_H */
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