tesseract/ccmain/tesseractmain.cpp
theraysmith 0a53f8c5bf Preparations for unicodization
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@34 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2007-05-16 01:18:59 +00:00

314 lines
8.9 KiB
C++

/**********************************************************************
* File: tessedit.cpp (Formerly tessedit.c)
* Description: Main program for merge of tess and editor.
* Author: Ray Smith
* Created: Tue Jan 07 15:21:46 GMT 1992
*
* (C) Copyright 1992, Hewlett-Packard Ltd.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
**********************************************************************/
#include "mfcpch.h"
#include "applybox.h"
#include "control.h"
#include "tessvars.h"
#include "tessedit.h"
#include "baseapi.h"
#include "pageres.h"
#include "imgs.h"
#include "varabled.h"
#include "tprintf.h"
#include "tesseractmain.h"
#include "stderr.h"
#include "notdll.h"
#include "mainblk.h"
#include "globals.h"
#include "tfacep.h"
#include "callnet.h"
#define VARDIR "configs/" /*variables files */
//config under api
#define API_CONFIG "configs/api_config"
#define EXTERN
EXTERN BOOL_VAR (tessedit_read_image, TRUE, "Ensure the image is read");
EXTERN BOOL_VAR (tessedit_write_images, FALSE,
"Capture the image from the IPE");
EXTERN BOOL_VAR (tessedit_debug_to_screen, FALSE, "Dont use debug file");
extern INT16 XOFFSET;
extern INT16 YOFFSET;
extern int NO_BLOCK;
const ERRCODE USAGE = "Usage";
char szAppName[] = "Tessedit"; //app name
/**********************************************************************
* main()
*
**********************************************************************/
#ifndef GRAPHICS_DISABLED
int main(int argc, char **argv) {
STRING outfile; //output file
if (argc < 3) {
USAGE.error (argv[0], EXIT,
"%s imagename outputbase [configfile [[+|-]varfile]...]\n", argv[0]);
}
if (argc == 3)
TessBaseAPI::InitWithLanguage(argv[0], argv[1], NULL,
NULL, false, 0, argv + 2);
else
TessBaseAPI::InitWithLanguage(argv[0], argv[1], NULL,
argv[3], false, argc - 4, argv + 4);
tprintf ("Tesseract Open Source OCR Engine\n");
IMAGE image;
#ifdef _TIFFIO_
TIFF* tif = TIFFOpen(argv[1], "r");
if (tif) {
read_tiff_image(tif, &image);
TIFFClose(tif);
} else {
READFAILED.error (argv[0], EXIT, argv[1]);
}
#else
if (image.read_header(argv[1]) < 0)
READFAILED.error (argv[0], EXIT, argv[1]);
if (image.read(image.get_ysize ()) < 0) {
MEMORY_OUT.error(argv[0], EXIT, "Read of image %s",
argv[1]);
}
#endif
int bytes_per_line = check_legal_image_size(image.get_xsize(),
image.get_ysize(),
image.get_bpp());
char* text = TessBaseAPI::TesseractRect(image.get_buffer(), image.get_bpp()/8,
bytes_per_line, 0, 0,
image.get_xsize(), image.get_ysize());
outfile = argv[2];
outfile += ".txt";
FILE* fp = fopen(outfile.string(), "w");
if (fp != NULL) {
fwrite(text, 1, strlen(text), fp);
fclose(fp);
}
delete [] text;
TessBaseAPI::End();
return 0; //Normal exit
}
#else
int main(int argc, char **argv) {
UINT16 lang; //language
STRING pagefile; //input file
if (argc < 4) {
USAGE.error (argv[0], EXIT,
"%s imagename outputbase configfile [[+|-]varfile]...\n", argv[0]);
}
time_t t_start = time(NULL);
init_tessembedded (argv[0], argv[2], argv[3], argc - 4, argv + 4);
tprintf ("Tesseract Open Source OCR Engine (graphics disabled)\n");
if (tessedit_read_image) {
#ifdef _TIFFIO_
TIFF* tif = TIFFOpen(argv[1], "r");
if (tif) {
read_tiff_image(tif);
TIFFClose(tif);
} else
READFAILED.error (argv[0], EXIT, argv[1]);
#else
if (page_image.read_header (argv[1]) < 0)
READFAILED.error (argv[0], EXIT, argv[1]);
if (page_image.read (page_image.get_ysize ()) < 0) {
MEMORY_OUT.error (argv[0], EXIT, "Read of image %s",
argv[1]);
}
#endif
}
pagefile = argv[1];
BLOCK_LIST current_block_list;
tessembedded_read_file(pagefile, &current_block_list);
tprintf ("Done reading files.\n");
PAGE_RES page_res(&current_block_list);
recog_all_words(&page_res, NULL);
current_block_list.clear();
ResetAdaptiveClassifier();
time_t t_end = time(NULL);
double secs = difftime(t_end, t_start);
tprintf ("Done. Number of seconds: %d\n", (int)secs);
return 0; //Normal exit
}
#endif
int initialized = 0;
#ifdef __MSW32__
/**********************************************************************
* WinMain
*
* Main function for a windows program.
**********************************************************************/
int WINAPI WinMain( //main for windows //command line
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpszCmdLine,
int nCmdShow) {
WNDCLASS wc;
HWND hwnd;
MSG msg;
char **argv;
char *argsin[2];
int argc;
int exit_code;
wc.style = CS_NOCLOSE | CS_OWNDC;
wc.lpfnWndProc = (WNDPROC) WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = NULL; //LoadIcon (NULL, IDI_APPLICATION);
wc.hCursor = NULL; //LoadCursor (NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = szAppName;
RegisterClass(&wc);
hwnd = CreateWindow (szAppName, szAppName,
WS_OVERLAPPEDWINDOW | WS_DISABLED,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, HWND_DESKTOP, NULL, hInstance, NULL);
argsin[0] = strdup (szAppName);
argsin[1] = strdup (lpszCmdLine);
/*allocate memory for the args. There can never be more than half*/
/*the total number of characters in the arguments.*/
argv =
(char **) malloc (((strlen (argsin[0]) + strlen (argsin[1])) / 2 + 1) *
sizeof (char *));
/*now construct argv as it should be for C.*/
argc = parse_args (2, argsin, argv);
// ShowWindow (hwnd, nCmdShow);
// UpdateWindow (hwnd);
if (initialized) {
exit_code = main (argc, argv);
free (argsin[0]);
free (argsin[1]);
free(argv);
return exit_code;
}
while (GetMessage (&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
if (initialized) {
exit_code = main (argc, argv);
break;
}
else
exit_code = msg.wParam;
}
free (argsin[0]);
free (argsin[1]);
free(argv);
return exit_code;
}
/**********************************************************************
* WndProc
*
* Function to respond to messages.
**********************************************************************/
LONG WINAPI WndProc( //message handler
HWND hwnd, //window with message
UINT msg, //message typ
WPARAM wParam,
LPARAM lParam) {
HDC hdc;
if (msg == WM_CREATE) {
//
// Create a rendering context.
//
hdc = GetDC (hwnd);
ReleaseDC(hwnd, hdc);
initialized = 1;
return 0;
}
return DefWindowProc (hwnd, msg, wParam, lParam);
}
/**********************************************************************
* parse_args
*
* Turn a list of args into a new list of args with each separate
* whitespace spaced string being an arg.
**********************************************************************/
int
parse_args ( /*refine arg list */
int argc, /*no of input args */
char *argv[], /*input args */
char *arglist[] /*output args */
) {
int argcount; /*converted argc */
char *testchar; /*char in option string */
int arg; /*current argument */
argcount = 0; /*no of options */
for (arg = 0; arg < argc; arg++) {
testchar = argv[arg]; /*start of arg */
do {
while (*testchar
&& (*testchar == ' ' || *testchar == '\n'
|| *testchar == '\t'))
testchar++; /*skip white space */
if (*testchar) {
/*new arg */
arglist[argcount++] = testchar;
/*skip to white space */
for (testchar++; *testchar && *testchar != ' ' && *testchar != '\n' && *testchar != '\t'; testchar++);
if (*testchar)
*testchar++ = '\0'; /*turn to separate args */
}
}
while (*testchar);
}
return argcount; /*new number of args */
}
#endif