mirror of
https://github.com/tesseract-ocr/tesseract.git
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0a53f8c5bf
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@34 d0cd1f9f-072b-0410-8dd7-cf729c803f20
314 lines
8.9 KiB
C++
314 lines
8.9 KiB
C++
/**********************************************************************
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* File: tessedit.cpp (Formerly tessedit.c)
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* Description: Main program for merge of tess and editor.
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* Author: Ray Smith
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* Created: Tue Jan 07 15:21:46 GMT 1992
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*
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* (C) Copyright 1992, Hewlett-Packard Ltd.
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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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**********************************************************************/
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#include "mfcpch.h"
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#include "applybox.h"
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#include "control.h"
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#include "tessvars.h"
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#include "tessedit.h"
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#include "baseapi.h"
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#include "pageres.h"
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#include "imgs.h"
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#include "varabled.h"
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#include "tprintf.h"
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#include "tesseractmain.h"
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#include "stderr.h"
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#include "notdll.h"
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#include "mainblk.h"
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#include "globals.h"
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#include "tfacep.h"
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#include "callnet.h"
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#define VARDIR "configs/" /*variables files */
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//config under api
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#define API_CONFIG "configs/api_config"
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#define EXTERN
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EXTERN BOOL_VAR (tessedit_read_image, TRUE, "Ensure the image is read");
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EXTERN BOOL_VAR (tessedit_write_images, FALSE,
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"Capture the image from the IPE");
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EXTERN BOOL_VAR (tessedit_debug_to_screen, FALSE, "Dont use debug file");
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extern INT16 XOFFSET;
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extern INT16 YOFFSET;
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extern int NO_BLOCK;
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const ERRCODE USAGE = "Usage";
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char szAppName[] = "Tessedit"; //app name
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/**********************************************************************
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* main()
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*
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**********************************************************************/
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#ifndef GRAPHICS_DISABLED
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int main(int argc, char **argv) {
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STRING outfile; //output file
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if (argc < 3) {
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USAGE.error (argv[0], EXIT,
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"%s imagename outputbase [configfile [[+|-]varfile]...]\n", argv[0]);
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}
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if (argc == 3)
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TessBaseAPI::InitWithLanguage(argv[0], argv[1], NULL,
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NULL, false, 0, argv + 2);
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else
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TessBaseAPI::InitWithLanguage(argv[0], argv[1], NULL,
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argv[3], false, argc - 4, argv + 4);
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tprintf ("Tesseract Open Source OCR Engine\n");
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IMAGE image;
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#ifdef _TIFFIO_
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TIFF* tif = TIFFOpen(argv[1], "r");
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if (tif) {
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read_tiff_image(tif, &image);
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TIFFClose(tif);
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} else {
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READFAILED.error (argv[0], EXIT, argv[1]);
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}
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#else
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if (image.read_header(argv[1]) < 0)
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READFAILED.error (argv[0], EXIT, argv[1]);
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if (image.read(image.get_ysize ()) < 0) {
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MEMORY_OUT.error(argv[0], EXIT, "Read of image %s",
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argv[1]);
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}
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#endif
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int bytes_per_line = check_legal_image_size(image.get_xsize(),
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image.get_ysize(),
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image.get_bpp());
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char* text = TessBaseAPI::TesseractRect(image.get_buffer(), image.get_bpp()/8,
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bytes_per_line, 0, 0,
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image.get_xsize(), image.get_ysize());
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outfile = argv[2];
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outfile += ".txt";
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FILE* fp = fopen(outfile.string(), "w");
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if (fp != NULL) {
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fwrite(text, 1, strlen(text), fp);
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fclose(fp);
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}
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delete [] text;
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TessBaseAPI::End();
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return 0; //Normal exit
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}
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#else
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int main(int argc, char **argv) {
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UINT16 lang; //language
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STRING pagefile; //input file
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if (argc < 4) {
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USAGE.error (argv[0], EXIT,
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"%s imagename outputbase configfile [[+|-]varfile]...\n", argv[0]);
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}
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time_t t_start = time(NULL);
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init_tessembedded (argv[0], argv[2], argv[3], argc - 4, argv + 4);
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tprintf ("Tesseract Open Source OCR Engine (graphics disabled)\n");
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if (tessedit_read_image) {
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#ifdef _TIFFIO_
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TIFF* tif = TIFFOpen(argv[1], "r");
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if (tif) {
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read_tiff_image(tif);
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TIFFClose(tif);
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} else
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READFAILED.error (argv[0], EXIT, argv[1]);
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#else
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if (page_image.read_header (argv[1]) < 0)
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READFAILED.error (argv[0], EXIT, argv[1]);
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if (page_image.read (page_image.get_ysize ()) < 0) {
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MEMORY_OUT.error (argv[0], EXIT, "Read of image %s",
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argv[1]);
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}
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#endif
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}
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pagefile = argv[1];
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BLOCK_LIST current_block_list;
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tessembedded_read_file(pagefile, ¤t_block_list);
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tprintf ("Done reading files.\n");
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PAGE_RES page_res(¤t_block_list);
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recog_all_words(&page_res, NULL);
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current_block_list.clear();
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ResetAdaptiveClassifier();
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time_t t_end = time(NULL);
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double secs = difftime(t_end, t_start);
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tprintf ("Done. Number of seconds: %d\n", (int)secs);
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return 0; //Normal exit
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}
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#endif
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int initialized = 0;
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#ifdef __MSW32__
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/**********************************************************************
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* WinMain
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*
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* Main function for a windows program.
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**********************************************************************/
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int WINAPI WinMain( //main for windows //command line
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HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPSTR lpszCmdLine,
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int nCmdShow) {
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WNDCLASS wc;
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HWND hwnd;
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MSG msg;
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char **argv;
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char *argsin[2];
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int argc;
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int exit_code;
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wc.style = CS_NOCLOSE | CS_OWNDC;
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wc.lpfnWndProc = (WNDPROC) WndProc;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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wc.hInstance = hInstance;
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wc.hIcon = NULL; //LoadIcon (NULL, IDI_APPLICATION);
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wc.hCursor = NULL; //LoadCursor (NULL, IDC_ARROW);
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wc.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
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wc.lpszMenuName = NULL;
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wc.lpszClassName = szAppName;
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RegisterClass(&wc);
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hwnd = CreateWindow (szAppName, szAppName,
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WS_OVERLAPPEDWINDOW | WS_DISABLED,
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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CW_USEDEFAULT, HWND_DESKTOP, NULL, hInstance, NULL);
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argsin[0] = strdup (szAppName);
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argsin[1] = strdup (lpszCmdLine);
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/*allocate memory for the args. There can never be more than half*/
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/*the total number of characters in the arguments.*/
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argv =
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(char **) malloc (((strlen (argsin[0]) + strlen (argsin[1])) / 2 + 1) *
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sizeof (char *));
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/*now construct argv as it should be for C.*/
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argc = parse_args (2, argsin, argv);
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// ShowWindow (hwnd, nCmdShow);
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// UpdateWindow (hwnd);
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if (initialized) {
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exit_code = main (argc, argv);
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free (argsin[0]);
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free (argsin[1]);
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free(argv);
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return exit_code;
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}
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while (GetMessage (&msg, NULL, 0, 0)) {
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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if (initialized) {
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exit_code = main (argc, argv);
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break;
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}
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else
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exit_code = msg.wParam;
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}
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free (argsin[0]);
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free (argsin[1]);
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free(argv);
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return exit_code;
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}
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/**********************************************************************
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* WndProc
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*
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* Function to respond to messages.
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**********************************************************************/
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LONG WINAPI WndProc( //message handler
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HWND hwnd, //window with message
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UINT msg, //message typ
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WPARAM wParam,
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LPARAM lParam) {
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HDC hdc;
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if (msg == WM_CREATE) {
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//
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// Create a rendering context.
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//
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hdc = GetDC (hwnd);
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ReleaseDC(hwnd, hdc);
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initialized = 1;
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return 0;
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}
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return DefWindowProc (hwnd, msg, wParam, lParam);
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}
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/**********************************************************************
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* parse_args
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*
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* Turn a list of args into a new list of args with each separate
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* whitespace spaced string being an arg.
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**********************************************************************/
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int
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parse_args ( /*refine arg list */
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int argc, /*no of input args */
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char *argv[], /*input args */
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char *arglist[] /*output args */
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) {
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int argcount; /*converted argc */
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char *testchar; /*char in option string */
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int arg; /*current argument */
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argcount = 0; /*no of options */
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for (arg = 0; arg < argc; arg++) {
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testchar = argv[arg]; /*start of arg */
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do {
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while (*testchar
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&& (*testchar == ' ' || *testchar == '\n'
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|| *testchar == '\t'))
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testchar++; /*skip white space */
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if (*testchar) {
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/*new arg */
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arglist[argcount++] = testchar;
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/*skip to white space */
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for (testchar++; *testchar && *testchar != ' ' && *testchar != '\n' && *testchar != '\t'; testchar++);
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if (*testchar)
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*testchar++ = '\0'; /*turn to separate args */
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}
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}
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while (*testchar);
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}
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return argcount; /*new number of args */
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}
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#endif
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