mirror of
https://github.com/tesseract-ocr/tesseract.git
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49c5a5754f
POSIX provides portable data types for signed and unsigned integer values of different size. This patch maps those POSIX data types to the Tesseract specific types. In a next step, the Tesseract data types can be eliminated by replacing them with the POSIX data types. Signed-off-by: Stefan Weil <sw@weilnetz.de>
147 lines
6.0 KiB
C++
147 lines
6.0 KiB
C++
/******************************************************************************
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** Filename: Host.h
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** Purpose: This is the system independent typedefs and defines
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** Author: MN, JG, MD
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** Version: 5.4.1
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** History: 11/7/94 MCD received the modification that Lennart made
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** to port to 32 bit world and modify this file so that it
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** will be shared between platform.
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** 11/9/94 MCD Make MSW32 subset of MSW. Now MSW means
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** MicroSoft Window and MSW32 means the 32 bit worlds
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** of MicroSoft Window. Therefore you want the environment
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** to be MicroSoft Window and in the 32 bit world -
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** _WIN32 must be defined by your compiler.
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** 11/30/94 MCD Incorporated comments received for more
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** readability and the missing typedef for FLOAT.
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** 12/1/94 MCD Added PFVOID typedef
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** 5/1/95 MCD. Made many changes based on the inputs.
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** Changes:
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** 1) Rearrange the #ifdef so that there're definitions for
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** particular platforms.
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** 2) Took out the #define for computer and environment
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** that developer can uncomment
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** 3) Added __OLDCODE__ where the defines will be
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** obsoleted in the next version and advise not to use.
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** 4) Added the definitions for the following:
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** FILE_HANDLE, MEMORY_HANDLE, BOOL8,
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** MAX_INT8, MAX_INT16, MAX_INT32, MAX_UINT8
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** MAX_UINT16, MAX_UINT32, MAX_FLOAT32
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** 06/19/96 MCD. Took out MAX_FLOAT32
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** 07/15/96 MCD. Fixed the comments error
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** Add back BOOL8.
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**
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** (c) Copyright Hewlett-Packard Company, 1988-1996.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#ifndef __HOST__
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#define __HOST__
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/******************************************************************************
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** IMPORTANT!!! **
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** **
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** Defines either _WIN32, __MAC__, __UNIX__, __OS2__, __PM__ to
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** use the specified definitions indicated below in the preprocessor settings. **
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** **
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** Also define either __FarProc__ or __FarData__ and __MOTO__ to use the
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** specified definitions indicated below in the preprocessor settings. **
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** **
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** If a preprocessor settings is not allow in the compiler that is being use,
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** then it is recommended that a "platform.h" is created with the definition
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** of the computer and/or operating system.
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******************************************************************************/
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#include "platform.h"
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/* _WIN32 */
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#ifdef _WIN32
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#include <windows.h>
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#include <winbase.h> // winbase.h contains windows.h
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#endif
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#include <stdint.h> // int32_t, ...
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/********************************************************/
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/* __MAC__ */
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#ifdef __MAC__
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#include <Types.h>
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/*----------------------------*/
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/*----------------------------*/
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#endif
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/********************************************************/
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#if defined(__UNIX__) || defined( __DOS__ ) || defined(__OS2__) || defined(__PM__)
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/*----------------------------*/
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/* FarProc and FarData */
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/*----------------------------*/
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/*----------------------------*/
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#endif
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/*****************************************************************************
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**
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** Standard GHC Definitions
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**
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*****************************************************************************/
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#ifdef __MOTO__
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#define __NATIVE__ MOTO
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#else
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#define __NATIVE__ INTEL
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#endif
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//typedef HANDLE FD* PHANDLE;
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// definitions of portable data types (numbers and characters)
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typedef int8_t inT8;
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typedef uint8_t uinT8;
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typedef int16_t inT16;
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typedef uint16_t uinT16;
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typedef int32_t inT32;
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typedef uint32_t uinT32;
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typedef int64_t inT64;
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typedef uint64_t uinT64;
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typedef float FLOAT32;
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typedef double FLOAT64;
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typedef unsigned char BOOL8;
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#define INT32FORMAT "%d"
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#define INT64FORMAT "%lld"
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#define MAX_INT8 0x7f
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#define MAX_INT16 0x7fff
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#define MAX_INT32 0x7fffffff
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#define MAX_UINT8 0xff
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#define MAX_UINT16 0xffff
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#define MAX_UINT32 0xffffffff
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#define MAX_FLOAT32 ((float)3.40282347e+38)
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#define MIN_INT8 0x80
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#define MIN_INT16 0x8000
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#define MIN_INT32 static_cast<int>(0x80000000)
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#define MIN_UINT8 0x00
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#define MIN_UINT16 0x0000
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#define MIN_UINT32 0x00000000
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#define MIN_FLOAT32 ((float)1.17549435e-38)
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// Defines
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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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// Return true if x is within tolerance of y
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template<class T> bool NearlyEqual(T x, T y, T tolerance) {
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T diff = x - y;
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return diff <= tolerance && -diff <= tolerance;
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}
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#endif
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