blob: d1f14c609f5f89e820ad5e342e2ace06e70acdf2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
#include <stdlib.h>
#include <stdio.h>
#include <wchar.h>
#include <locale.h>
#include "brailleboi.h"
int brailleInit(int width, int height, image_buffer* buf)
{
setlocale(LC_ALL, "");
buf->width = width;
buf->height = height;
buf->char_width = (width+1)/2;
buf->char_height = (height+1)/4;
buf->contents = malloc((buf->char_width * buf->char_height) * sizeof(int));
return 0;
}
int brailleStop(image_buffer* buf)
{
free(buf->contents);
return 0;
}
int brailleReorganizeBits(int old)
{
//Reorganizes bits because the unicode standard for 8 dotted braille is weird
int new = (old&0x87) | // 0b10000111
(old&0x70)>>1 | // 0b01110000
(old&0x08)<<3; // 0b00001000
return new;
}
void braillePrint(int data)
{
wprintf(L"%lc", (0x2800|data));
}
int braillePlot(int x, int y, image_buffer* buf)
{
//Check if plot is within bounds
if ((x>buf->width) | (y>buf->height))
return 1;
buf->contents[(y-1)/4 * buf->char_width + (x-1)/2] |= 1<<((y-1)%4+(1-x%2)*4);
return 0;
}
void brailleUpdateScreen(image_buffer* buf)
{
for (int x=0;x<buf->char_width;x++) {
for (int y=0;y<buf->char_height;y++) {
wprintf(L"\e[%d;%dH", y+1, x+1);
braillePrint(brailleReorganizeBits(buf->contents[y * buf->char_width + x]));
}
}
}
|
