static void Main(string[] args)
{
usage(args); /* check command line and print usage if needed */
String installation_dir = args[0];
bool do_language_id = Boolean.Parse(args[1]);
/*************************************************************************/
/* System Initialization */
/* validates the license file and allocate the needed resources (memory) */
/*************************************************************************/
check_for_error(VerusApi.crs_properties_initialize(installation_dir));
check_for_error(VerusApi.crs_system_initialize());
/* Process each page on command line */
for (int i = 2; i < args.Length; i++)
{
process_document(do_language_id, args[i]);
}
/*********************************************************/
/* System shutdown - release the allocated resources */
/*********************************************************/
VerusApi.crs_system_shutdown();
}
static void process_document(bool do_language_id, String input)
{
/* supply the path of the input image - this is required */
check_for_error(VerusApi.crs_set_input_path(input));
/* get number of pages in this document */
int pageCount = 0;
check_for_error(VerusApi.crs_get_input_page_count(ref pageCount));
/*************************************/
/* process each page of the document */
/*************************************/
for (int pageNum = 0; pageNum < pageCount; ++pageNum)
{
Console.Write("File={0} Page={1} ", input, pageNum);
/*********************************************************/
/* prepare the processing of document page */
/*********************************************************/
check_for_error(VerusApi.crs_page_initialize());
/*********************************************************/
/* Phase 1. Script ID is done here. */
/* If all you want is the script, you can stop here and */
/* continue on to the next page */
/*********************************************************/
check_for_error(VerusApi.crs_phase1_preprocess_and_clean_page());
StringBuilder alphabet_found = new StringBuilder(VerusConstants.CRS_STRING_SIZE);
check_for_error(VerusApi.crs_get_alphabet_found(alphabet_found, VerusConstants.CRS_STRING_SIZE));
Console.Write("Alphabet=" + alphabet_found + " ");
if (do_language_id)
{
check_for_error(VerusApi.crs_phase2_decompose_page());
check_for_error(VerusApi.crs_phase3_identify_language());
/* retrieve lang id from executing phase 3 */
/* This returns the language found and being used for aiding in text recognition */
StringBuilder language_found = new StringBuilder(VerusConstants.CRS_STRING_SIZE);
check_for_error(VerusApi.crs_get_language_found(language_found, VerusConstants.CRS_STRING_SIZE));
/* show the information from phase 3 */
Console.Write("Language=" + language_found + " ");
}
Console.WriteLine();
}
}
/********************************************************************************/
/* This is the error handling routine. It retrieves the text of the error for */
/* the API call and terminates the program. */
/********************************************************************************/
static void check_for_error(int errVal)
{
if (errVal != 0)
{
StringBuilder error_message = new StringBuilder(VerusConstants.CRS_STRING_SIZE);
Console.WriteLine("ERROR:");
Console.WriteLine("\tcode: " + errVal);
/* call the API to retrieve the text of the error. This call never fails. */
VerusApi.crs_get_error_text(error_message, /* buffer to receive the message */
VerusConstants.CRS_STRING_SIZE); /* size of buffer */
Console.WriteLine("\ttext: " + error_message);
VerusApi.crs_system_shutdown();
Environment.Exit(1);
}
}
static void Main(string[] args)
{
usage(args); /* check command line and print usage if needed */
String installation_dir = args[0];
String input = args[1];
String basename = args[2];
/*************************************************************************/
/* System Initialization */
/* validates the license file and allocate the needed resources (memory) */
/*************************************************************************/
check_for_error(VerusApi.crs_properties_initialize(installation_dir));
check_for_error(VerusApi.crs_system_initialize());
/****************************************************************************/
/* Supply the input parameters to the API, */
/* execute processing phases and retrieve the output parameters. */
/****************************************************************************/
/* supply the path of the input image - this is required */
check_for_error(VerusApi.crs_set_input_path(input));
/* get number of pages in this document */
int pageCount = 0;
check_for_error(VerusApi.crs_get_input_page_count(ref pageCount));
Console.WriteLine("Page Count: " + pageCount);
/*************************************/
/* process each page of the document */
/*************************************/
for (int pageNum = 0; pageNum < pageCount; ++pageNum)
{
/*********************************************************/
/* prepare the processing of document page */
/*********************************************************/
check_for_error(VerusApi.crs_page_initialize());
/*********************************************************/
/* Set the path names of desired output files */
/*********************************************************/
/* supply the path for the cleaned image - this is optional
* The cleaned file is scaled copy of the original image with noise filtered,
* orientation corrected */
String cleanpath = basename + "-" + "page" + pageNum + "-clean.tif";
check_for_error(VerusApi.crs_set_cleaned_output_path(cleanpath));
/* supply the path for the recognized text in 8-bit Unicode format -
* this is optional. Note: ASCII is a subset of 8-bit Unicode */
String utf8path = basename + "-" + "page" + pageNum + ".utf8";
check_for_error(VerusApi.crs_set_utf8_output_path(utf8path));
/* supply the path for the recognized text in 16-bit Unicode format -
* this is optional */
String utf16path = basename + "-" + "page" + pageNum + ".utf16";
check_for_error(VerusApi.crs_set_utf16_output_path(utf16path));
/****************************************************************************/
/* Supply the input parameters to the API, */
/* execute processing phases and retrieve the output parameters. */
/****************************************************************************/
/*********************************************************/
/* Recognize, this can be broken up into 4 steps to do */
/* less processing if you don't want to do a full OCR */
/*********************************************************/
check_for_error(VerusApi.crs_recognize());
/* retrieve information from executing phase 3 */
StringBuilder language_found = new StringBuilder(VerusConstants.CRS_STRING_SIZE);
/* This returns the language found and being used for aiding in text recognition */
check_for_error(VerusApi.crs_get_language_found(language_found, VerusConstants.CRS_STRING_SIZE));
/* show the information from phase 3 */
Console.WriteLine("Language = " + language_found);
/**********************************************************************/
/* Write the desired output to files */
/* */
/* Once crs_write_output() is complete, all the file name parameters */
/* are reset and all the intermediate results are cleared. */
/* */
/* The program must start again with calls to crs_page_initialize() */
/* and crs_phase1_preprocess_and_clean_page() */
/**********************************************************************/
check_for_error(VerusApi.crs_write_output());
}
/*********************************************************/
/* System shutdown - release the allocated resources */
/*********************************************************/
VerusApi.crs_system_shutdown();
}
