tesseract/ccutil/tprintf.cpp
2007-03-07 20:03:40 +00:00

137 lines
4.3 KiB
C++

/**********************************************************************
* File: tprintf.c
* Description: Trace version of printf - portable between UX and NT
* Author: Phil Cheatle
* Created: Wed Jun 28 15:01:15 BST 1995
*
* (C) Copyright 1995, 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" //precompiled headers
#include <stdio.h>
#include <stdarg.h>
#include "strngs.h"
#include "varable.h"
#include "debugwin.h"
//#include "ipeerr.h"
#include "tprintf.h"
#define MAX_MSG_LEN 1024
#define EXTERN
#ifdef __MSW32__
DLLSYM STRING_VAR (debug_file, "tesseract.log", "File to send tprintf output to");
#else
DLLSYM STRING_VAR (debug_file, "", "File to send tprintf output to");
#endif
DLLSYM BOOL_VAR (debug_window_on, FALSE,
"Send tprintf to window unless file set");
DLLSYM void
tprintf ( //Trace printf
const char *format, ... //special message
) {
va_list args; //variable args
static FILE *debugfp = NULL; //debug file
//debug window
static DEBUG_WIN *debugwin = NULL;
INT32 offset = 0; //into message
static char msg[MAX_MSG_LEN + 1];
va_start(args, format); //variable list
#ifdef __MSW32__
//Format into msg
offset += _vsnprintf (msg + offset, MAX_MSG_LEN - offset, format, args);
#else
//Format into msg
offset += vsprintf (msg + offset, format, args);
#endif
va_end(args);
if (debugfp == NULL && strlen (debug_file.string ()) > 0)
debugfp = fopen (debug_file.string (), "w");
else if (debugfp != NULL && strlen (debug_file.string ()) == 0) {
fclose(debugfp);
debugfp = NULL;
}
if (debugfp != NULL)
fprintf (debugfp, "%s", msg);
else {
if (debug_window_on) {
if (debugwin == NULL)
//in pixels
debugwin = new DEBUG_WIN ("Debug Window", DEBUG_WIN_XPOS, DEBUG_WIN_YPOS,
//in pixels
DEBUG_WIN_XSIZE, DEBUG_WIN_YSIZE,
debug_lines);
debugwin->dprintf (msg);
}
else {
#ifdef __UNIX__
// output to stderr - like it used to
fprintf (stderr, "%s", msg);
#endif
#ifdef __MSW32__
TRACE ("%s", msg); //Visual C++2.0 macro
#endif
#ifdef __MAC__
printf ("%s", msg); //Visual C++2.0 macro
#endif
}
}
}
/*************************************************************************
* pause_continue()
* UI for a debugging pause - to see an intermediate state
* Returns TRUE to continue as normal to the next pause in the current mode;
* FALSE to quit the current pausing mode.
*************************************************************************/
DLLSYM BOOL8
//special message
pause_continue (const char *format, ...
) {
va_list args; //variable args
char msg[1000];
STRING str = STRING ("DEBUG PAUSE:\n");
va_start(args, format); //variable list
vsprintf(msg, format, args); //Format into msg
va_end(args);
#ifdef GRAPHICS_DISABLED
// No interaction allowed -> simply go on
return true;
#else
#ifdef __UNIX__
printf ("%s\n", msg);
printf ("Type \"c\" to cancel, anything else to continue: ");
char c = getchar ();
return (c != 'c');
#endif
#ifdef __MSW32__
str +=
STRING (msg) + STRING ("\nUse OK to continue, CANCEL to stop pausing");
// return AfxMessageBox( str.string(), MB_OKCANCEL ) == IDOK;
return::MessageBox (NULL, msg, "IMGAPP",
MB_APPLMODAL | MB_OKCANCEL) == IDOK;
#endif
#endif
}