forked from KolibriOS/kolibrios
Changed font_conv/convert.c and shifted to contrib
git-svn-id: svn://kolibrios.org@4722 a494cfbc-eb01-0410-851d-a64ba20cac60
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ashmew2
parent
9b11245e08
commit
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198
contrib/other/font_conv/convert.c
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198
contrib/other/font_conv/convert.c
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/*
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convert.c: converts text bitmaps into binary bitmaps.
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This has been written with an aim to detect any errors that
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might have crept in while generating a text bitmap for a font.
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Copyright 2011 dunkaist <dunkaist@gmail.com>
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Copyright 2014 ashmew2 <ashmew2@gmail.com>
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Distributed under the terms of the GNU General Public License v3.
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See http://www.gnu.org/licenses/gpl.txt for the full license text.
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*/
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/*
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For TRANSLATION, only the hard coded strings such as in usage[] need to
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rewritten in the desired language. The translation selection should be
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inside an #if LANG == RUS {} #else {} block. All messsages are printed
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using msg_printx() and the translations need to be done for all such
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calls.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#define FONT_HEIGHT 9 /* The height of each symbol in input file */
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#define FONT_WIDTH_MONO 5 /* Fixed width for mono fonts */
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#define FONT_WIDTH_VAR 7 /* Max symbol width */
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#define LINE_BUFFER_SIZE 12 /* For FONT_WIDTH_VAR and delimiters */
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#define NUM_SYMBOLS 256 /* Number of symbols in input file */
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enum error_code {
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ERROR_PARSING_ARGS = 1,
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ERROR_OPENING_FILE,
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ERROR_INVALID_INPUT_FILE
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};
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void msg_printx(int errnum, char *message, ...)
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{
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va_list args;
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va_start(args, message);
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vfprintf(stderr, message, args);
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va_end(args);
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exit(errnum);
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}
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void usage_printx(char *prog_name)
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{
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char usage[] = "Usage: \n"
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"\t%s <INPUTFILE> <OUTPUTFILE> <-m>\n\n"
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"Converts font bitmaps from text to binary format.\n\n"
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"\tINPUTFILE\t The input file containing text bitmap.\n"
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"\tOUTPUTFILE\t The output file for writing binary bitmap.\n"
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"\t-m\t Mono flag. -0 for mono. -1 otherwise.\n\n"
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"Examples: \n"
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"\t%s char.txt CHAR.MT -0\n"
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"\t%s char2.txt CHAR2.MT -1\n\n"
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"Exit status: \n"
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"\t 0: Successful conversion.\n"
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"\t 1: Incorrect arguments supplied to the command.\n"
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"\t 2: Files could not be opened for read/write.\n"
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"\t 3: Error(s) reading data from file.\n\n"
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"This is a part of the font_conv program in KolibriOS.\n";
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msg_printx(ERROR_PARSING_ARGS, usage, prog_name, prog_name, prog_name);
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}
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char* get_row(bool use_mono)
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{
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static int line_number = 1; /* Initialize to 1 for first line being read */
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static size_t len_line;
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static char line[LINE_BUFFER_SIZE];
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size_t len;
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char *current_line;
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int i;
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current_line = fgets(line, LINE_BUFFER_SIZE - 1, stdin);
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if(!current_line)
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msg_printx(ERROR_INVALID_INPUT_FILE, "Error: could not read line from input file.\n");
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len = strlen(current_line);
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if(len > 2)
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{
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if(line[len - 1] == '\n' && line[len - 2] == '\r')
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len -= 2;
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else if(line[len - 1] == '\n')
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--len;
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else if(line_number != ((FONT_HEIGHT + 1) * NUM_SYMBOLS)) /* if last line of input */
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msg_printx(ERROR_INVALID_INPUT_FILE, "Error: line %d: no newline character found in first %d bytes.\n", 12 - 1, line_number);
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line[--len] = '\0';
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}
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else
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msg_printx(ERROR_INVALID_INPUT_FILE, "Error: line %d: line too short.\n", line_number);
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if(line_number == 1) /* Processing first line in input */
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{
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if(len > FONT_WIDTH_VAR)
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msg_printx(ERROR_INVALID_INPUT_FILE, "Error: line %d: length of line is larger than %d (maximum allowed width).\n", line_number, FONT_WIDTH_VAR);
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if((use_mono) && (len != FONT_WIDTH_MONO))
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msg_printx(ERROR_INVALID_INPUT_FILE, "Error: line %d: length of line is not equal to %d (mono font width).\n", line_number, FONT_WIDTH_MONO);
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len_line = len;
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}
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else
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{
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if(len != len_line)
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msg_printx(ERROR_INVALID_INPUT_FILE, "Error: line %d: length of line does not match length of first line in file.\n", line_number);
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/*validate Row*/
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for(i = 0; line[i]; i++)
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if(!isprint(line[i]))
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msg_printx(ERROR_INVALID_INPUT_FILE, "Error: line %d: non printable characters found on line.\n", line_number);
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}
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++line_number;
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return line;
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}
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int do_symbol(short int font_width)
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{
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short int row, col;
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int data;
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for(row = FONT_HEIGHT; row; row--)
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{
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char *line = get_row(font_width == FONT_WIDTH_MONO);
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data = 0; /* Create empty byte for storing line */
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for(col = 0; col < font_width; col++)
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{
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if(line[col] != ' ')
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data |= 1<<col; /* Get corresponding bit for non-space character */
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}
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putchar(data);
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}
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return 0;
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}
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int main(int argc, char *argv[])
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{
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char *input_file = NULL;
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char *output_file = NULL;
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short int char_num;
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bool use_mono;
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if(argc != 4) /* Required argc is 4, for three mandatory arguments. */
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usage_printx(argv[0]);
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else
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{
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if(!strcmp(argv[3],"-0"))
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use_mono = true;
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else if(!strcmp(argv[3],"-1"))
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use_mono = false;
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else
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usage_printx(argv[0]);
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}
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input_file = argv[1];
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output_file = argv[2];
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if(!freopen(input_file, "rt", stdin))
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msg_printx(ERROR_OPENING_FILE, "Error: unable to open %s for reading.\n", input_file);
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if(!freopen(output_file, "wb", stdout))
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msg_printx(ERROR_OPENING_FILE, "Error: unable to open %s for writing.\n", output_file);
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for(char_num = NUM_SYMBOLS; char_num; char_num--)
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{
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char *line = get_row(use_mono);
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if(use_mono)
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{
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do_symbol(FONT_WIDTH_MONO);
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}
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else
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{
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size_t len = strlen(line);
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int p = line[len - 1];
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putchar(p == ' '? 0x08 : p-47); /* Put a backspace character or a decimal digit */
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do_symbol(FONT_WIDTH_VAR);
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}
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}
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return 0;
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}
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@ -1,57 +0,0 @@
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/*
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Copyright 2011 dunkaist <dunkaist@gmail.com>
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Distributed under the terms of the GNU General Public License v3.
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See http://www.gnu.org/licenses/gpl.txt for the full license text.
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*/
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#include <stdio.h>
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#define FONT_HEIGHT 9
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#define FONT_WIDTH_MONO 5
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#define FONT_WIDTH_VAR 7 /* max symbol width */
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short int char_num, row, col;
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char ch, data;
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int do_symbol(short int font_width)
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{
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for(row=FONT_HEIGHT; row; row--)
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{
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data = 0;
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for(col=0; col<font_width; col++)
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{
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data |= getchar()==' '? 0 : 1<<col;
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}
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putchar(data);
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fseek(stdin, 3, SEEK_CUR);
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}
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return 0;
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}
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int main()
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{
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freopen("char.txt", "rt", stdin);
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freopen("CHAR.MT", "wb", stdout);
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for(char_num=256; char_num; char_num--)
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{
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fseek(stdin, 8, SEEK_CUR);
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do_symbol(FONT_WIDTH_MONO);
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}
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freopen("char2.txt", "rt", stdin);
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freopen("CHAR2.MT", "wb", stdout);
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for(char_num=256; char_num; char_num--)
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{
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fseek(stdin, 6, SEEK_CUR);
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ch = getchar();
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putchar(ch==' '? 0x08 : ch-47);
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fseek(stdin, 3, SEEK_CUR);
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do_symbol(FONT_WIDTH_VAR);
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}
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return 0;
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}
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@ -1,57 +0,0 @@
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/*
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Copyright 2011 dunkaist <dunkaist@gmail.com>
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Distributed under the terms of the GNU General Public License v3.
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See http://www.gnu.org/licenses/gpl.txt for the full license text.
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*/
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#include <stdio.h>
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#define FONT_HEIGHT 9
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#define FONT_WIDTH_MONO 5
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#define FONT_WIDTH_VAR 7 /* max symbol width */
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short int char_num, row, col;
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char ch, data;
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int do_symbol(short int font_width)
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{
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for(row=FONT_HEIGHT; row; row--)
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{
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data = 0;
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for(col=0; col<font_width; col++)
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{
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data |= getchar()==' '? 0 : 1<<col;
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}
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putchar(data);
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fseek(stdin, 3, SEEK_CUR);
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}
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return 0;
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}
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int main()
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{
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freopen("char_et.txt", "rt", stdin);
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freopen("char_et.mt", "wb", stdout);
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for(char_num=256; char_num; char_num--)
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{
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fseek(stdin, 8, SEEK_CUR);
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do_symbol(FONT_WIDTH_MONO);
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}
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freopen("char2_et.txt", "rt", stdin);
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freopen("char2_et.mt", "wb", stdout);
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for(char_num=256; char_num; char_num--)
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{
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fseek(stdin, 6, SEEK_CUR);
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ch = getchar();
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putchar(ch==' '? 0x08 : ch-47);
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fseek(stdin, 3, SEEK_CUR);
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do_symbol(FONT_WIDTH_VAR);
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}
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return 0;
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}
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@ -1,57 +0,0 @@
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/*
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Copyright 2011 dunkaist <dunkaist@gmail.com>
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Distributed under the terms of the GNU General Public License v3.
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See http://www.gnu.org/licenses/gpl.txt for the full license text.
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*/
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#include <stdio.h>
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#define FONT_HEIGHT 9
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#define FONT_WIDTH_MONO 5
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#define FONT_WIDTH_VAR 7 /* max symbol width */
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short int char_num, row, col;
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char ch, data;
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int do_symbol(short int font_width)
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{
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for(row=FONT_HEIGHT; row; row--)
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{
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data = 0;
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for(col=0; col<font_width; col++)
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{
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data |= getchar()==' '? 0 : 1<<col;
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}
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putchar(data);
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fseek(stdin, 3, SEEK_CUR);
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}
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return 0;
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}
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int main()
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{
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freopen("char_sp.txt", "rt", stdin);
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freopen("char_sp.mt", "wb", stdout);
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for(char_num=256; char_num; char_num--)
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{
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fseek(stdin, 8, SEEK_CUR);
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do_symbol(FONT_WIDTH_MONO);
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}
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freopen("char2_sp.txt", "rt", stdin);
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freopen("char2_sp.mt", "wb", stdout);
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for(char_num=256; char_num; char_num--)
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{
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fseek(stdin, 6, SEEK_CUR);
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ch = getchar();
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putchar(ch==' '? 0x08 : ch-47);
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fseek(stdin, 3, SEEK_CUR);
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do_symbol(FONT_WIDTH_VAR);
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}
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return 0;
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}
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