mirror of
https://github.com/tesseract-ocr/tesseract.git
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282 lines
10 KiB
C
282 lines
10 KiB
C
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/*====================================================================*
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- Copyright (C) 2001 Leptonica. All rights reserved.
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- This software is distributed in the hope that it will be
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- useful, but with NO WARRANTY OF ANY KIND.
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- No author or distributor accepts responsibility to anyone for the
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- consequences of using this software, or for whether it serves any
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- particular purpose or works at all, unless he or she says so in
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- writing. Everyone is granted permission to copy, modify and
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- redistribute this source code, for commercial or non-commercial
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- purposes, with the following restrictions: (1) the origin of this
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- source code must not be misrepresented; (2) modified versions must
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- be plainly marked as such; and (3) this notice may not be removed
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- or altered from any source or modified source distribution.
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*====================================================================*/
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#ifndef LEPTONICA_ENVIRON_H
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#define LEPTONICA_ENVIRON_H
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/*------------------------------------------------------------------------*
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* Defines and includes differ for Unix and Windows. Also for Windows, *
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* differentiate between conditionals based on platform and compiler. *
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* For platforms: *
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* _WIN32 => Windows, 32- or 64-bit *
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* _WIN64 => Windows, 64-bit only *
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* __CYGWIN__ => Cygwin *
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* For compilers: *
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* __GNUC__ => gcc *
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* _MSC_VER => msvc *
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*------------------------------------------------------------------------*/
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/* MS VC++ does not provide stdint.h, so define the missing types here */
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#ifndef _MSC_VER
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#include <stdint.h>
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#else
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/* Note that _WIN32 is defined for both 32 and 64 bit applications,
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whereas _WIN64 is defined only for the latter */
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#ifdef _WIN64
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typedef __int64 intptr_t;
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typedef unsigned __int64 uintptr_t;
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#else
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typedef int intptr_t;
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typedef unsigned int uintptr_t;
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#endif
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/* VC++6 doesn't seem to have powf, expf. */
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#if (_MSC_VER < 1400)
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#define powf(x, y) (float)pow((double)(x), (double)(y))
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#define expf(x) (float)exp((double)(x))
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#endif
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#endif /* _MSC_VER */
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/* Windows specifics */
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#ifdef _WIN32
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/* DLL EXPORTS and IMPORTS:
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* Important: LEPTONLIB_* is deprected. It is retained here only for
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* compatibility with tesseract 3.00. In your project files, use
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* LIBLEPT_EXPORTS and LIBLEPT_IMPORTS */
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#if defined(LIBLEPT_EXPORTS) || defined(LEPTONLIB_EXPORTS)
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#define LEPT_DLL __declspec(dllexport)
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#elif defined(LIBLEPT_IMPORTS) || defined(LEPTONLIB_IMPORTS)
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#define LEPT_DLL __declspec(dllimport)
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#else
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#define LEPT_DLL
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#endif
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#else /* non-WINDOWS-SPECIFICS */
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#include <stdint.h>
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#define LEPT_DLL
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#endif /* _WIN32 */
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typedef intptr_t l_intptr_t;
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typedef uintptr_t l_uintptr_t;
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typedef void *L_TIMER;
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/*--------------------------------------------------------------------*
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* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
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* USER CONFIGURABLE *
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* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
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* Environ variables with I/O libraries *
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* Manual Configuration Only: NOT AUTO_CONF *
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*--------------------------------------------------------------------*/
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/*
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* Leptonica provides interfaces to link to five external image I/O
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* libraries, plus zlib. Setting any of these to 0 here causes
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* non-functioning stubs to be linked.
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*/
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#ifndef HAVE_CONFIG_H
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#define HAVE_LIBJPEG 1
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#define HAVE_LIBTIFF 1
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#define HAVE_LIBPNG 1
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#define HAVE_LIBZ 1
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#define HAVE_LIBGIF 1
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#define HAVE_LIBUNGIF 0
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#define HAVE_LIBWEBP 0
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#endif /* ~HAVE_CONFIG_H */
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/*
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* On linux systems, you can do I/O between Pix and memory. Specifically,
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* you can compress (write compressed data to memory from a Pix) and
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* uncompress (read from compressed data in memory to a Pix).
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* For jpeg, png, pnm and bmp, these use the non-posix GNU functions
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* fmemopen() and open_memstream(). These functions are not
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* available on other systems. To use these functions in linux,
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* you must define HAVE_FMEMOPEN to be 1 here.
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*/
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#ifndef HAVE_CONFIG_H
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#define HAVE_FMEMOPEN 0
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#endif /* ~HAVE_CONFIG_H */
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/*--------------------------------------------------------------------*
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* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
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* USER CONFIGURABLE *
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* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
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* Environ variables for uncompressed formatted image I/O *
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*--------------------------------------------------------------------*/
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/*
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* Leptonica supplies image I/O for pnm, bmp, ps, and pdf.
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* Setting any of these to 0 causes non-functioning stubs to be linked.
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*/
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#define USE_BMPIO 1
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#define USE_PNMIO 1
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#define USE_PSIO 1
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#define USE_PDFIO 1
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/*--------------------------------------------------------------------*
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* Built-in types *
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*--------------------------------------------------------------------*/
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typedef signed char l_int8;
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typedef unsigned char l_uint8;
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typedef short l_int16;
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typedef unsigned short l_uint16;
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typedef int l_int32;
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typedef unsigned int l_uint32;
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typedef float l_float32;
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typedef double l_float64;
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/*------------------------------------------------------------------------*
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* Standard macros *
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*------------------------------------------------------------------------*/
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#ifndef L_MIN
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#define L_MIN(x,y) (((x) < (y)) ? (x) : (y))
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#endif
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#ifndef L_MAX
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#define L_MAX(x,y) (((x) > (y)) ? (x) : (y))
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#endif
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#ifndef L_ABS
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#define L_ABS(x) (((x) < 0) ? (-1 * (x)) : (x))
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#endif
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#ifndef L_SIGN
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#define L_SIGN(x) (((x) < 0) ? -1 : 1)
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#endif
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#ifndef UNDEF
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#define UNDEF -1
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#endif
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#ifndef NULL
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#define NULL 0
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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/*--------------------------------------------------------------------*
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* Environ variables used within compiler invocation *
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*--------------------------------------------------------------------*/
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/*
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* To control conditional compilation, one of two variables
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*
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* L_LITTLE_ENDIAN (e.g., for Intel X86)
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* L_BIG_ENDIAN (e.g., for Sun SPARC, Mac Power PC)
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*
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* is defined when the GCC compiler is invoked.
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* All code should compile properly for both hardware architectures.
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*/
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/*------------------------------------------------------------------------*
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* Simple search state variables *
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*------------------------------------------------------------------------*/
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enum {
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L_NOT_FOUND = 0,
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L_FOUND = 1
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};
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/*------------------------------------------------------------------------*
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* Standard memory allocation *
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*
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* These specify the memory management functions that are used
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* on all heap data except for Pix. Memory management for Pix
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* also defaults to malloc and free. See pix1.c for details.
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*------------------------------------------------------------------------*/
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#define MALLOC(blocksize) malloc(blocksize)
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#define CALLOC(numelem, elemsize) calloc(numelem, elemsize)
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#define REALLOC(ptr, blocksize) realloc(ptr, blocksize)
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#define FREE(ptr) free(ptr)
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/*------------------------------------------------------------------------*
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* Control printing of error, warning, and info messages *
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* *
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* (Use -DNO_CONSOLE_IO on compiler line to prevent text output) *
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*------------------------------------------------------------------------*/
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#ifdef NO_CONSOLE_IO
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#define PROCNAME(name)
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#define ERROR_PTR(a,b,c) ((void *)(c))
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#define ERROR_INT(a,b,c) ((l_int32)(c))
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#define ERROR_FLOAT(a,b,c) ((l_float32)(c))
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#define L_ERROR(a,b)
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#define L_ERROR_STRING(a,b,c)
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#define L_ERROR_INT(a,b,c)
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#define L_ERROR_FLOAT(a,b,c)
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#define L_WARNING(a,b)
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#define L_WARNING_STRING(a,b,c)
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#define L_WARNING_INT(a,b,c)
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#define L_WARNING_INT2(a,b,c,d)
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#define L_WARNING_FLOAT(a,b,c)
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#define L_WARNING_FLOAT2(a,b,c,d)
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#define L_INFO(a,b)
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#define L_INFO_STRING(a,b,c)
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#define L_INFO_INT(a,b,c)
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#define L_INFO_INT2(a,b,c,d)
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#define L_INFO_FLOAT(a,b,c)
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#define L_INFO_FLOAT2(a,b,c,d)
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#else
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#define PROCNAME(name) static const char procName[] = name
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#define ERROR_PTR(a,b,c) returnErrorPtr((a),(b),(c))
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#define ERROR_INT(a,b,c) returnErrorInt((a),(b),(c))
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#define ERROR_FLOAT(a,b,c) returnErrorFloat((a),(b),(c))
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#define L_ERROR(a,b) l_error((a),(b))
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#define L_ERROR_STRING(a,b,c) l_errorString((a),(b),(c))
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#define L_ERROR_INT(a,b,c) l_errorInt((a),(b),(c))
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#define L_ERROR_FLOAT(a,b,c) l_errorFloat((a),(b),(c))
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#define L_WARNING(a,b) l_warning((a),(b))
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#define L_WARNING_STRING(a,b,c) l_warningString((a),(b),(c))
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#define L_WARNING_INT(a,b,c) l_warningInt((a),(b),(c))
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#define L_WARNING_INT2(a,b,c,d) l_warningInt2((a),(b),(c),(d))
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#define L_WARNING_FLOAT(a,b,c) l_warningFloat((a),(b),(c))
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#define L_WARNING_FLOAT2(a,b,c,d) l_warningFloat2((a),(b),(c),(d))
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#define L_INFO(a,b) l_info((a),(b))
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#define L_INFO_STRING(a,b,c) l_infoString((a),(b),(c))
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#define L_INFO_INT(a,b,c) l_infoInt((a),(b),(c))
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#define L_INFO_INT2(a,b,c,d) l_infoInt2((a),(b),(c),(d))
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#define L_INFO_FLOAT(a,b,c) l_infoFloat((a),(b),(c))
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#define L_INFO_FLOAT2(a,b,c,d) l_infoFloat2((a),(b),(c),(d))
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#endif /* NO_CONSOLE_IO */
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/*------------------------------------------------------------------------*
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* snprintf() renamed in MSVC *
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*------------------------------------------------------------------------*/
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#ifdef _MSC_VER
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#define snprintf(buf, size, ...) _snprintf_s(buf, size, _TRUNCATE, __VA_ARGS__)
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#endif
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#endif /* LEPTONICA_ENVIRON_H */
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