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motion/draw.c
MrDave f196a2c5af Whitespace and Tab cleanup 
Remove trailing whitespace and convert tabs to four spaces.
No code changes.
2017-02-12 18:25:43 -07:00

1206 lines
26 KiB
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/*
* draw.c
*
* Routines for drawing text on images
*
* Copyright 2000, Jeroen Vreeken
* This program is published under the GNU public license version 2
* See also the file 'COPYING'
*
*/
#include <ctype.h>
#include "motion.h"
/* Highest ascii value is 126 (~) */
#define ASCII_MAX 127
unsigned char *small_char_arr_ptr[ASCII_MAX];
unsigned char *big_char_arr_ptr[ASCII_MAX];
struct draw_char {
unsigned char ascii;
unsigned char pix[8][7];
};
struct big_char {
unsigned char ascii;
unsigned char pix[16][14];
};
struct draw_char draw_table[]= {
{
' ',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0}
}
},
{
'0',
{
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,1,1,2,2,1},
{1,2,1,2,1,2,1},
{1,2,1,2,1,2,1},
{1,2,2,1,1,2,1},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'1',
{
{0,0,0,1,0,0,0},
{0,0,1,2,1,0,0},
{0,1,2,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'2',
{
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,1,1,1,2,1},
{0,1,1,2,2,1,0},
{0,1,2,1,1,0,0},
{1,2,1,1,1,1,0},
{1,2,2,2,2,2,1},
{0,1,1,1,1,1,0}
}
},
{
'3',
{
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,1,1,1,2,1},
{0,1,1,2,2,1,0},
{0,1,0,1,1,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'4',
{
{0,0,0,0,1,0,0},
{0,0,0,1,2,1,0},
{0,0,1,2,2,1,0},
{0,1,2,1,2,1,0},
{1,2,2,2,2,2,1},
{0,1,1,1,2,1,0},
{0,0,0,1,2,1,0},
{0,0,0,0,1,0,0}
}
},
{
'5',
{
{0,1,1,1,1,1,0},
{1,2,2,2,2,2,1},
{1,2,1,1,1,1,0},
{1,2,2,2,2,1,0},
{0,1,1,1,1,2,0},
{0,1,1,1,1,2,0},
{1,2,2,2,2,1,0},
{0,1,1,1,1,0,0}
}
},
{
'6',
{
{0,0,1,1,1,1,0},
{0,1,2,2,2,2,1},
{1,2,1,1,1,1,0},
{1,2,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'7',
{
{0,1,1,1,1,1,0},
{1,2,2,2,2,2,1},
{0,1,1,1,1,2,1},
{0,0,0,1,2,1,0},
{0,0,1,2,1,0,0},
{0,1,2,1,0,0,0},
{0,1,2,1,0,0,0},
{0,0,1,0,0,0,0}
}
},
{
'8',
{
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,1,1,1,2,1},
{0,1,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'9',
{
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,1,1,1,2,1},
{0,1,2,2,2,2,1},
{0,1,1,1,1,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'"',
{
{0,0,1,0,1,0,0},
{0,1,2,1,2,1,0},
{0,1,2,1,2,1,0},
{0,0,1,0,1,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0}
}
},
{
'/',
{
{0,0,0,0,1,0,0},
{0,0,0,1,2,1,0},
{0,0,0,1,2,1,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,1,2,1,0,0,0},
{0,1,2,1,0,0,0},
{0,0,1,0,0,0,0}
}
},
{
'(',
{
{0,0,0,1,0,0,0},
{0,0,1,2,1,0,0},
{0,1,2,1,0,0,0},
{0,1,2,1,0,0,0},
{0,1,2,1,0,0,0},
{0,1,2,1,0,0,0},
{0,0,1,2,1,0,0},
{0,0,0,1,0,0,0}
}
},
{
')',
{
{0,0,0,1,0,0,0},
{0,0,1,2,1,0,0},
{0,0,0,1,2,1,0},
{0,0,0,1,2,1,0},
{0,0,0,1,2,1,0},
{0,0,0,1,2,1,0},
{0,0,1,2,1,0,0},
{0,0,0,1,0,0,0}
}
},
{
'@',
{
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,1,2,2,2,1},
{1,2,1,2,2,2,1},
{1,2,1,1,1,1,0},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'~',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,1,0,0,0,0},
{0,1,2,1,0,1,0},
{1,2,1,2,1,2,1},
{0,1,0,1,2,1,0},
{0,0,0,0,1,0,0},
{0,0,0,0,0,0,0}
}
},
{
'#',
{
{0,0,1,0,1,0,0},
{0,1,2,1,2,1,0},
{1,2,2,2,2,2,1},
{0,1,2,1,2,1,0},
{0,1,2,1,2,1,0},
{1,2,2,2,2,2,1},
{0,1,2,1,2,1,0},
{0,0,1,0,1,0,0}
}
},
{
'<',
{
{0,0,0,0,0,1,0},
{0,0,0,1,1,2,1},
{0,1,1,2,2,1,0},
{1,2,2,1,1,0,0},
{0,1,1,2,2,1,0},
{0,0,0,1,1,2,1},
{0,0,0,0,0,1,0},
{0,0,0,0,0,0,0}
}
},
{
'>',
{
{0,1,0,0,0,0,0},
{1,2,1,1,0,0,0},
{0,1,2,2,1,1,0},
{0,0,1,1,2,2,1},
{0,1,2,2,1,1,0},
{1,2,1,1,0,0,0},
{0,1,0,0,0,0,0},
{0,0,0,0,0,0,0}
}
},
{
'|',
{
{0,0,0,1,0,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,0,1,0,0,0}
}
},
{
',',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,1,1,0,0,0},
{0,1,2,2,1,0,0},
{0,1,2,2,1,0,0},
{0,1,2,1,0,0,0},
{0,0,1,0,0,0,0}
}
},
{
'.',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,1,1,0,0,0},
{0,1,2,2,1,0,0},
{0,1,2,2,1,0,0},
{0,0,1,1,0,0,0},
{0,0,0,0,0,0,0}
}
},
{
':',
{
{0,0,1,1,0,0,0},
{0,1,2,2,1,0,0},
{0,1,2,2,1,0,0},
{0,0,1,1,0,0,0},
{0,0,1,1,0,0,0},
{0,1,2,2,1,0,0},
{0,1,2,2,1,0,0},
{0,0,1,1,0,0,0}
}
},
{
'-',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0}
}
},
{
'+',
{
{0,0,0,0,0,0,0},
{0,0,0,1,0,0,0},
{0,0,1,2,1,0,0},
{0,1,2,2,2,1,0},
{0,0,1,2,1,0,0},
{0,0,0,1,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0}
}
},
{
'_',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,1,1,1,1,1,0},
{1,2,2,2,2,2,1},
{0,1,1,1,1,1,0}
}
},
{
'\'',
{
{0,0,0,1,0,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,0,1,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0}
}
},
{
'a',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,1,1,1,1,0},
{0,1,2,2,2,2,1},
{1,2,1,1,1,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,2,1},
{0,0,1,1,1,1,0}
}
},
{
'b',
{
{0,1,0,0,0,0,0},
{1,2,1,0,0,0,0},
{1,2,1,1,1,0,0},
{1,2,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,1,1,1,2,1},
{1,2,2,2,2,1,0},
{0,1,1,1,1,0,0}
}
},
{
'c',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,1,1,1,1,0},
{0,1,2,2,2,2,1},
{1,2,1,1,1,1,0},
{1,2,1,1,1,1,0},
{0,1,2,2,2,2,1},
{0,0,1,1,1,1,0}
}
},
{
'd',
{
{0,0,0,0,0,1,0},
{0,0,0,0,1,2,1},
{0,0,1,1,1,2,1},
{0,1,2,2,2,2,1},
{1,2,1,1,1,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,2,1},
{0,0,1,1,1,1,0}
}
},
{
'e',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,2,1,1,2,1},
{1,2,1,2,2,1,0},
{0,1,2,2,2,2,1},
{0,0,1,1,1,1,0}
}
},
{
'f',
{
{0,0,0,0,1,1,0},
{0,0,0,1,2,2,1},
{0,0,1,2,1,1,0},
{0,1,2,2,2,1,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,0,1,0,0,0}
}
},
{
'g',
{
{0,0,0,0,0,0,0},
{0,0,1,1,1,1,0},
{0,1,2,2,2,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,2,1},
{0,1,1,1,1,2,1},
{1,2,2,2,2,1,0},
{0,1,1,1,1,0,0}
}
},
{
'h',
{
{0,1,0,0,0,0,0},
{1,2,1,0,0,0,0},
{1,2,1,1,1,0,0},
{1,2,1,2,2,1,0},
{1,2,2,1,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{0,1,0,0,0,1,0}
}
},
{
'i',
{
{0,0,0,1,0,0,0},
{0,0,1,2,1,0,0},
{0,0,0,1,0,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'j',
{
{0,0,0,1,0,0,0},
{0,0,1,2,1,0,0},
{0,0,0,1,0,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,1,1,2,1,0,0},
{1,2,2,1,0,0,0},
{0,1,1,0,0,0,0}
}
},
{
'k',
{
{0,1,0,0,0,0,0},
{1,2,1,0,0,0,0},
{1,2,1,0,1,0,0},
{1,2,1,1,2,1,0},
{1,2,1,2,1,0,0},
{1,2,2,1,2,1,0},
{1,2,1,0,1,2,1},
{0,1,0,0,0,1,0}
}
},
{
'l',
{
{0,0,1,1,0,0,0},
{0,1,2,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,0,1,2,1,0},
{0,0,0,0,1,0,0}
}
},
{
'm',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,1,1,0,1,0,0},
{1,2,2,1,2,1,0},
{1,2,1,2,1,2,1},
{1,2,1,2,1,2,1},
{1,2,1,2,1,2,1},
{0,1,0,1,0,1,0}
}
},
{
'n',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,1,0,1,1,0,0},
{1,2,1,2,2,1,0},
{1,2,2,1,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{0,1,0,0,0,1,0}
}
},
{
'o',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'p',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,1,1,1,1,0,0},
{1,2,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,2,2,2,1,0},
{1,2,1,1,1,0,0},
{1,2,1,0,0,0,0},
}
},
{
'q',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,1,1,1,1,0},
{0,1,2,2,2,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,2,1},
{0,0,1,1,1,2,1},
{0,0,0,0,1,2,1}
}
},
{
'r',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,1,0,1,1,0,0},
{1,2,1,2,2,1,0},
{1,2,2,1,1,2,1},
{1,2,1,0,0,1,0},
{1,2,1,0,0,0,0},
{0,1,0,0,0,0,0}
}
},
{
's',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,0,1,1,1,1,0},
{0,1,2,2,2,2,1},
{1,2,2,2,1,1,0},
{0,1,1,2,2,2,1},
{1,2,2,2,2,1,0},
{0,1,1,1,1,0,0}
}
},
{
't',
{
{0,0,0,1,0,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,1,2,2,2,1,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,0,1,2,1,0},
{0,0,0,0,1,0,0}
}
},
{
'u',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,1,0,0,0,1,0},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,1,2,2,1},
{0,1,2,2,1,2,1},
{0,0,1,1,0,1,0}
}
},
{
'v',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,1,0,0,0,1,0},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{0,1,2,1,2,1,0},
{0,0,1,2,1,0,0},
{0,0,0,1,0,0,0}
}
},
{
'w',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,1,0,0,0,1,0},
{1,2,1,0,1,2,1},
{1,2,1,1,1,2,1},
{1,2,1,2,1,2,1},
{0,1,2,1,2,1,0},
{0,0,1,0,1,0,0}
}
},
{
'x',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,1,0,0,1,0,0},
{1,2,1,1,2,1,0},
{0,1,2,2,1,0,0},
{0,1,2,2,1,0,0},
{1,2,1,1,2,1,0},
{0,1,0,0,1,0,0}
}
},
{
'y',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,1,0,0,0,1,0},
{1,2,1,0,1,2,1},
{0,1,2,1,2,1,0},
{0,0,1,2,1,0,0},
{0,1,2,1,0,0,0},
{1,2,1,0,0,0,0}
}
},
{
'z',
{
{0,0,0,0,0,0,0},
{0,0,0,0,0,0,0},
{0,1,1,1,1,0,0},
{1,2,2,2,2,1,0},
{0,1,1,2,1,0,0},
{0,1,2,1,1,0,0},
{1,2,2,2,2,1,0},
{0,1,1,1,1,0,0}
}
},
{
'A',
{
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,1,1,1,2,1},
{1,2,2,2,2,2,1},
{1,2,1,1,1,2,1},
{1,2,1,0,1,2,1},
{0,1,0,0,0,1,0}
}
},
{
'B',
{
{0,1,1,1,1,0,0},
{1,2,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,1,1,1,2,1},
{1,2,2,2,2,1,0},
{0,1,1,1,1,0,0}
}
},
{
'C',
{
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,1,0,0,1,0},
{1,2,1,0,0,1,0},
{1,2,1,1,1,2,1},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'D',
{
{0,1,1,1,1,0,0},
{1,2,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,1,1,2,1},
{1,2,2,2,2,1,0},
{0,1,1,1,1,0,0}
}
},
{
'E',
{
{0,1,1,1,1,1,0},
{1,2,2,2,2,2,1},
{1,2,1,1,1,1,0},
{1,2,2,2,2,1,0},
{1,2,1,1,1,0,0},
{1,2,1,1,1,1,0},
{1,2,2,2,2,2,1},
{0,1,1,1,1,1,0}
}
},
{
'F',
{
{0,1,1,1,1,1,0},
{1,2,2,2,2,2,1},
{1,2,1,1,1,1,0},
{1,2,2,2,2,1,0},
{1,2,1,1,1,0,0},
{1,2,1,0,0,0,0},
{1,2,1,0,0,0,0},
{0,1,0,0,0,0,0}
}
},
{
'G',
{
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,1,1,1,1,0},
{1,2,1,2,2,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'H',
{
{0,1,0,0,0,1,0},
{1,2,1,0,1,2,1},
{1,2,1,1,1,2,1},
{1,2,2,2,2,2,1},
{1,2,1,1,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{0,1,0,0,0,1,0}
}
},
{
'I',
{
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'J',
{
{0,0,1,1,1,1,0},
{0,1,2,2,2,2,1},
{0,0,1,1,1,2,1},
{0,0,0,0,1,2,1},
{0,1,0,0,1,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'K',
{
{0,1,0,0,0,1,0},
{1,2,1,0,1,2,1},
{1,2,1,1,2,1,0},
{1,2,1,2,1,0,0},
{1,2,2,2,1,0,0},
{1,2,1,1,2,1,0},
{1,2,1,0,1,2,1},
{0,1,0,0,0,1,0}
}
},
{
'L',
{
{0,1,0,0,0,0,0},
{1,2,1,0,0,0,0},
{1,2,1,0,0,0,0},
{1,2,1,0,0,0,0},
{1,2,1,0,0,0,0},
{1,2,1,1,1,0,0},
{1,2,2,2,2,1,0},
{0,1,1,1,1,0,0}
}
},
{
'M',
{
{0,1,1,0,1,1,0},
{1,2,2,1,2,2,1},
{1,2,1,2,1,2,1},
{1,2,1,1,1,2,},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{0,1,0,0,0,1,0}
}
},
{
'N',
{
{0,1,0,0,0,1,0},
{1,2,1,0,1,2,1},
{1,2,2,1,1,2,1},
{1,2,1,2,1,2,1},
{1,2,1,1,2,2,1},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{0,1,0,0,0,1,0}
}
},
{
'O',
{
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,1,0},
{0,0,1,1,1,0,0}
}
},
{
'P',
{
{0,1,1,1,1,0,0},
{1,2,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,2,2,2,1,0},
{1,2,1,1,1,0,0},
{1,2,1,0,0,0,0},
{1,2,1,0,0,0,0},
{0,1,0,0,0,0,0}
}
},
{
'Q',
{
{0,0,1,1,1,0,0},
{0,1,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,1,1,1,2,1},
{1,2,1,2,1,2,1},
{1,2,1,1,2,1,0},
{0,1,2,2,1,2,1},
{0,0,1,1,0,1,0}
}
},
{
'R',
{
{0,1,1,1,1,0,0},
{1,2,2,2,2,1,0},
{1,2,1,1,1,2,1},
{1,2,2,2,2,1,0},
{1,2,1,2,1,0,0},
{1,2,1,1,2,1,0},
{1,2,1,0,1,2,1},
{0,1,0,0,0,1,0}
}
},
{
'S',
{
{0,0,1,1,1,1,0},
{0,1,2,2,2,2,1},
{1,2,1,1,1,1,0},
{0,1,2,2,2,1,0},
{0,0,1,1,1,2,1},
{0,1,1,1,1,2,1},
{1,2,2,2,2,1,0},
{0,1,1,1,1,0,0}
}
},
{
'T',
{
{0,1,1,1,1,1,0},
{1,2,2,2,2,2,1},
{0,1,1,2,1,1,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,0,1,0,0,0}
}
},
{
'U',
{
{0,1,0,0,0,1,0},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,1,1,2,1},
{0,1,2,2,2,2,1},
{0,0,1,1,1,1,0}
}
},
{
'V',
{
{0,1,0,0,0,1,0},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{0,1,2,1,2,1,0},
{0,0,1,2,1,0,0},
{0,0,0,1,0,0,0}
}
},
{
'W',
{
{0,1,0,0,0,1,0},
{1,2,1,0,1,2,1},
{1,2,1,0,1,2,1},
{1,2,1,1,1,2,1},
{1,2,1,2,1,2,1},
{1,2,1,2,1,2,1},
{0,1,2,1,2,1,0},
{0,0,1,0,1,0,0}
}
},
{
'X',
{
{0,1,0,0,0,1,0},
{1,2,1,0,1,2,1},
{0,1,2,1,2,1,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,1,2,1,2,1,0},
{1,2,1,0,1,2,1},
{0,1,0,0,0,1,0}
}
},
{
'Y',
{
{0,1,0,0,0,1,0},
{1,2,1,0,1,2,1},
{0,1,2,1,2,1,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,1,2,1,0,0},
{0,0,0,1,0,0,0}
}
},
{
'Z',
{
{0,1,1,1,1,1,0},
{1,2,2,2,2,2,1},
{0,1,1,1,2,1,0},
{0,0,1,2,1,0,0},
{0,1,2,1,0,0,0},
{1,2,1,1,1,1,0},
{1,2,2,2,2,2,1},
{0,1,1,1,1,1,0}
}
}
};
struct big_char big_table[sizeof(draw_table) / sizeof(struct draw_char)];
#define NEWLINE "\\n"
/**
* draw_textn
*/
static int draw_textn(unsigned char *image, unsigned int startx, unsigned int starty, unsigned int width, const char *text, int len, unsigned int factor)
{
int pos, x, y, line_offset, next_char_offs;
unsigned char *image_ptr, *char_ptr, **char_arr_ptr;
if (startx > width / 2)
startx -= len * (6 * (factor + 1));
if (startx + len * 6 * (factor + 1) >= width)
len = (width-startx-1)/(6*(factor+1));
line_offset = width - 7 * (factor + 1);
next_char_offs = width * 8 * (factor + 1) - 6 * (factor + 1);
image_ptr = image + startx + starty * width;
char_arr_ptr = factor ? big_char_arr_ptr : small_char_arr_ptr;
for (pos = 0; pos < len; pos++) {
int pos_check = (int)text[pos];
char_ptr = char_arr_ptr[pos_check];
for (y = 8 * (factor + 1); y--;) {
for (x = 7 * (factor + 1); x--;) {
if (pos_check < 0) {
image_ptr++;
char_ptr++;
continue;
}
switch(*char_ptr) {
case 1:
*image_ptr = 0;
break;
case 2:
*image_ptr = 255;
break;
default:
break;
}
image_ptr++;
char_ptr++;
}
image_ptr += line_offset;
}
image_ptr -= next_char_offs;
}
return 0;
}
/**
* draw_text
*/
int draw_text(unsigned char *image, unsigned int startx, unsigned int starty, unsigned int width, const char *text, unsigned int factor)
{
int num_nl = 0;
const char *end, *begin;
const int line_space = (factor + 1) * 9;
/* Count the number of newlines in "text" so we scroll it up the image. */
end = text;
while ((end = strstr(end, NEWLINE))) {
num_nl++;
end += sizeof(NEWLINE)-1;
}
starty -= line_space * num_nl;
begin = end = text;
while ((end = strstr(end, NEWLINE))) {
int len = end-begin;
draw_textn(image, startx, starty, width, begin, len, factor);
end += sizeof(NEWLINE)-1;
begin = end;
starty += line_space;
}
draw_textn(image, startx, starty, width, begin, strlen(begin), factor);
return 0;
}
/**
* initialize_chars
*/
int initialize_chars(void)
{
unsigned int i, x, y;
size_t draw_table_size;
draw_table_size = sizeof(draw_table) / sizeof(struct draw_char);
/* Fill the structure 'big_table' with double sized characters. */
for (i = 0; i < draw_table_size; i++) {
big_table[i].ascii = draw_table[i].ascii;
for(x = 0; x < 14; x++) {
for(y = 0; y < 16; y++)
big_table[i].pix[y][x] = draw_table[i].pix[y / 2][x / 2];
}
}
/* First init all char ptr's to a space character. */
for (i = 0; i < ASCII_MAX; i++) {
small_char_arr_ptr[i] = &draw_table[0].pix[0][0];
big_char_arr_ptr[i] = &big_table[0].pix[0][0];
}
/* Build [big_]char_arr_ptr table to point to each available ascii. */
for (i = 0; i < draw_table_size; i++) {
small_char_arr_ptr[(int)draw_table[i].ascii] = &draw_table[i].pix[0][0];
big_char_arr_ptr[(int)draw_table[i].ascii] = &big_table[i].pix[0][0];
}
return 0;
}
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