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kolibrios/programs/media/unrtf/output.c
maxcodehack 60c3243924 Upload GNU unRTF 
git-svn-id: svn://kolibrios.org@8335 a494cfbc-eb01-0410-851d-a64ba20cac60
2020-12-07 09:06:07 +00:00

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/*=============================================================================
GNU UnRTF, a command-line program to convert RTF documents to other formats.
Copyright (C) 2000,2001 Zachary Thayer Smith
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
The author is reachable by electronic mail at tuorfa@yahoo.com.
=============================================================================*/
/*----------------------------------------------------------------------
* Module name: output
* Author name: Zach Smith
* Create date: 18 Sep 01
* Purpose: Generalized output module
*----------------------------------------------------------------------
* Changes:
* 22 Sep 01, tuorfa@yahoo.com: addition of functions to change font size
* 22 Sep 01, tuorfa@yahoo.com: added function-level comment blocks
*--------------------------------------------------------------------*/
#include <stdio.h>
#include <string.h>
#include "malloc.h"
#include "defs.h"
#include "error.h"
#include "output.h"
#include "main.h"
#include "convert.h"
/*========================================================================
* Name: op_create
* Purpose: Creates a blank output personality.
* Args: None.
* Returns: Output personality struct.
*=======================================================================*/
OutputPersonality*
op_create ()
{
OutputPersonality* new_op;
new_op = (OutputPersonality*) my_malloc (sizeof(OutputPersonality));
if (!new_op)
error_handler ("cannot allocate output personality");
bzero ((void*) new_op, sizeof (OutputPersonality));
return new_op;
}
/*========================================================================
* Name: op_free
* Purpose: Deallocates an output personality, but none of the strings
* it points to since they are usually constants.
* Args: OutputPersonality.
* Returns: None.
*=======================================================================*/
void
op_free (OutputPersonality *op)
{
CHECK_PARAM_NOT_NULL(op);
my_free ((void*) op);
}
/*========================================================================
* Name: op_translate_char
* Purpose: Performs a translation of a character in the context of
* a given output personality.
* Args: OutputPersonality, character set#, character.
* Returns: String.
*=======================================================================*/
char *
op_translate_char (OutputPersonality *op, int charset, int ch)
{
short start;
char *result=NULL;
CHECK_PARAM_NOT_NULL(op);
if (ch >= 0x20 && ch < 0x80) {
result = op->ascii_translation_table [ch - 0x20];
}
else
if (charset != CHARSET_ANSI &&
charset != CHARSET_MAC &&
charset != CHARSET_CP437 &&
charset != CHARSET_CP850)
error_handler ("invalid character set value, cannot translate character");
else
switch (charset) {
case CHARSET_ANSI:
start = op->ansi_first_char;
if (ch >= start &&
ch <= op->ansi_last_char)
result = op->ansi_translation_table [ch-start];
break;
case CHARSET_MAC:
start = op->mac_first_char;
if (ch >= start &&
ch <= op->mac_last_char)
result = op->mac_translation_table [ch-start];
break;
case CHARSET_CP437:
start = op->cp437_first_char;
if (ch >= start &&
ch <= op->cp437_last_char)
result = op->cp437_translation_table [ch-start];
break;
case CHARSET_CP850:
start = op->cp850_first_char;
if (ch >= start &&
ch <= op->cp850_last_char)
result = op->cp850_translation_table [ch-start];
break;
}
return result;
}
/*========================================================================
* Name: op_begin_std_fontsize
* Purpose: Prints whatever is necessary to perform a change in the
* current font size.
* Args: OutputPersonality, desired size.
* Returns: None.
*=======================================================================*/
void
op_begin_std_fontsize (OutputPersonality *op, int size)
{
int found_std_expr = FALSE;
CHECK_PARAM_NOT_NULL(op);
/* Look for an exact match with a standard point size.
*/
switch (size) {
case 8:
if (op->fontsize8_begin) {
printf (op->fontsize8_begin);
found_std_expr = TRUE;
}
break;
case 10:
if (op->fontsize10_begin) {
printf (op->fontsize10_begin);
found_std_expr = TRUE;
}
break;
case 12:
if (op->fontsize12_begin) {
printf (op->fontsize12_begin);
found_std_expr = TRUE;
}
break;
case 14:
if (op->fontsize14_begin) {
printf (op->fontsize14_begin);
found_std_expr = TRUE;
}
break;
case 18:
if (op->fontsize18_begin) {
printf (op->fontsize18_begin);
found_std_expr = TRUE;
}
break;
case 24:
if (op->fontsize24_begin) {
printf (op->fontsize24_begin);
found_std_expr = TRUE;
}
break;
case 36:
if (op->fontsize36_begin) {
printf (op->fontsize36_begin);
found_std_expr = TRUE;
}
break;
case 48:
if (op->fontsize48_begin) {
printf (op->fontsize48_begin);
found_std_expr = TRUE;
}
break;
}
/* If no exact match, try to write out a change to the
* exact point size.
*/
if (!found_std_expr) {
if (op->fontsize_begin) {
char expr[16];
sprintf (expr, "%d", size);
printf (op->fontsize_begin, expr);
} else {
/* If we cannot write out a change for the exact
* point size, we must approximate to a standard
* size.
*/
if (size<9 && op->fontsize8_begin) {
printf (op->fontsize8_begin);
} else
if (size<11 && op->fontsize10_begin) {
printf (op->fontsize10_begin);
} else
if (size<13 && op->fontsize12_begin) {
printf (op->fontsize12_begin);
} else
if (size<16 && op->fontsize14_begin) {
printf (op->fontsize14_begin);
} else
if (size<21 && op->fontsize18_begin) {
printf (op->fontsize18_begin);
} else
if (size<30 && op->fontsize24_begin) {
printf (op->fontsize24_begin);
} else
if (size<42 && op->fontsize36_begin) {
printf (op->fontsize36_begin);
} else
if (size>40 && op->fontsize48_begin) {
printf (op->fontsize48_begin);
} else
/* If we can't even produce a good approximation,
* just try to get a font size near 12 point.
*/
if (op->fontsize12_begin)
printf (op->fontsize12_begin);
else
if (op->fontsize14_begin)
printf (op->fontsize14_begin);
else
if (op->fontsize10_begin)
printf (op->fontsize10_begin);
else
if (op->fontsize18_begin)
printf (op->fontsize18_begin);
else
if (op->fontsize8_begin)
printf (op->fontsize8_begin);
else
error_handler ("output personality lacks sufficient font size change capability");
}
}
}
/*========================================================================
* Name: op_end_std_fontsize
* Purpose: Prints whatever is necessary to perform a change in the
* current font size.
* Args: OutputPersonality, desired size.
* Returns: None.
*=======================================================================*/
void
op_end_std_fontsize (OutputPersonality *op, int size)
{
int found_std_expr = FALSE;
CHECK_PARAM_NOT_NULL(op);
/* Look for an exact match with a standard point size.
*/
switch (size) {
case 8:
if (op->fontsize8_end) {
printf (op->fontsize8_end);
found_std_expr = TRUE;
}
break;
case 10:
if (op->fontsize10_end) {
printf (op->fontsize10_end);
found_std_expr = TRUE;
}
break;
case 12:
if (op->fontsize12_end) {
printf (op->fontsize12_end);
found_std_expr = TRUE;
}
break;
case 14:
if (op->fontsize14_end) {
printf (op->fontsize14_end);
found_std_expr = TRUE;
}
break;
case 18:
if (op->fontsize18_end) {
printf (op->fontsize18_end);
found_std_expr = TRUE;
}
break;
case 24:
if (op->fontsize24_end) {
printf (op->fontsize24_end);
found_std_expr = TRUE;
}
break;
case 36:
if (op->fontsize36_end) {
printf (op->fontsize36_end);
found_std_expr = TRUE;
}
break;
case 48:
if (op->fontsize48_end) {
printf (op->fontsize48_end);
found_std_expr = TRUE;
}
break;
}
/* If no exact match, try to write out a change to the
* exact point size.
*/
if (!found_std_expr) {
if (op->fontsize_end) {
char expr[16];
sprintf (expr, "%d", size);
printf (op->fontsize_end, expr);
} else {
/* If we cannot write out a change for the exact
* point size, we must approximate to a standard
* size.
*/
if (size<9 && op->fontsize8_end) {
printf (op->fontsize8_end);
} else
if (size<11 && op->fontsize10_end) {
printf (op->fontsize10_end);
} else
if (size<13 && op->fontsize12_end) {
printf (op->fontsize12_end);
} else
if (size<16 && op->fontsize14_end) {
printf (op->fontsize14_end);
} else
if (size<21 && op->fontsize18_end) {
printf (op->fontsize18_end);
} else
if (size<30 && op->fontsize24_end) {
printf (op->fontsize24_end);
} else
if (size<42 && op->fontsize36_end) {
printf (op->fontsize36_end);
} else
if (size>40 && op->fontsize48_end) {
printf (op->fontsize48_end);
} else
/* If we can't even produce a good approximation,
* just try to get a font size near 12 point.
*/
if (op->fontsize12_end)
printf (op->fontsize12_end);
else
if (op->fontsize14_end)
printf (op->fontsize14_end);
else
if (op->fontsize10_end)
printf (op->fontsize10_end);
else
if (op->fontsize18_end)
printf (op->fontsize18_end);
else
if (op->fontsize8_end)
printf (op->fontsize8_end);
else
error_handler ("output personality lacks sufficient font size change capability");
}
}
}
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