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#include <stdlib.h>
#include <stdio.h>
#include <wchar.h>
#include <locale.h>
#include <string.h>
#include "brailleboi.h"
int brailleInit(int width, int height, image_buffer* buf)
{
setlocale(LC_ALL, "");
wprintf(L"\033[?25l");
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)
{
wprintf(L"\033[?25h");
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));
}
void braillePrintCoords(wchar_t *wcs, int len, int data, int x, int y)
{
swprintf(wcs, len, L"\033[%d;%dH%lc", x+1, y+1, (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 brailleClearBuffer(image_buffer* buf)
{
memset(buf->contents, 0, (buf->char_width * buf->char_height) * sizeof(int));
}
void brailleUpdateScreen(image_buffer* buf)
{
wprintf(L"\033[2J");
int len = (buf->char_width * buf->char_height);
wchar_t* frame = malloc(len * sizeof(wchar_t));
for (int x=0;x<buf->char_width;x++) {
for (int y=0;y<buf->char_height;y++) {
braillePrintCoords(frame, len, brailleReorganizeBits(buf->contents[y * buf->char_width + x]), x, y);
}
}
wprintf(frame);
free(frame);
}
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