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numbers.c
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#include <stdio.h>
#include "gfx.h"
#include <math.h>
void draw_zero(int x, int y, int height){
int width = height/2;
gfx_line(x,y,x+width,y);
gfx_line(x+width,y,x+width,y+height);
gfx_line(x+width,y+height,x,y+height);
gfx_line(x,y+height,x,y);
gfx_line(x+width/3,y+height/5,x+width*2/3,y+height/5);
gfx_line(x+width*2/3,y+height/5,x+width*2/3,y+height*4/5);
gfx_line(x+width*2/3,y+height*4/5,x+width/3,y+height*4/5);
gfx_line(x+width/3,y+height*4/5,x+width/3,y+height/5);
}
void draw_one(int x, int y, int height){
int width = height/4;
gfx_line(x,y,x+width,y);
gfx_line(x+width,y,x+width,y+height);
gfx_line(x+width,y+height,x,y+height);
gfx_line(x,y+height,x,y);
}
void draw_two(int x, int y, int height){
int width = height/2;
gfx_line(x,y,x+width,y);
gfx_line(x+width,y,x+width,y+height*3/5);
gfx_line(x+width,y+height*3/5,x+width/3,y+height*3/5);
gfx_line(x+width/3,y+height*3/5,x+width/3,y+height*4/5);
gfx_line(x+width/3,y+height*4/5,x+width,y+height*4/5);
gfx_line(x+width,y+height*4/5,x+width,y+height);
gfx_line(x+width,y+height,x,y+height);
gfx_line(x,y+height,x,y+height*2/5);
gfx_line(x,y+height*2/5,x+width*2/3,y+height*2/5);
gfx_line(x+width*2/3,y+height*2/5,x+width*2/3,y+height/5);
gfx_line(x+width*2/3,y+height/5,x,y+height/5);
gfx_line(x,y+height/5,x,y);
}
void draw_three(int x, int y, int height){
int width = height/2;
gfx_line(x,y,x+width,y);
gfx_line(x+width,y,x+width,y+height);
gfx_line(x+width,y+height,x,y+height);
gfx_line(x,y+height,x,y+height*4/5);
gfx_line(x,y+height*4/5,x+width*2/3,y+height*4/5);
gfx_line(x+width*2/3,y+height*4/5,x+width*2/3,y+height*3/5);
gfx_line(x+width*2/3,y+height*3/5,x,y+height*3/5);
gfx_line(x,y+height*3/5,x,y+height*2/5);
gfx_line(x,y+height*2/5,x+width*2/3,y+height*2/5);
gfx_line(x+width*2/3,y+height*2/5,x+width*2/3,y+height/5);
gfx_line(x+width*2/3,y+height/5,x,y+height/5);
gfx_line(x,y+height/5,x,y);
}
void draw_four(int x, int y, int height){
int width = height/2;
gfx_line(x,y,x+width/3,y);
gfx_line(x+width/3,y,x+width/3,y+height*2/5);
gfx_line(x+width/3,y+height*2/5,x+width*2/3,y+height*2/5);
gfx_line(x+width*2/3,y+height*2/5,x+width*2/3,y);
gfx_line(x+width*2/3,y,x+width,y);
gfx_line(x+width,y,x+width,y+height);
gfx_line(x+width,y+height,x+width*2/3,y+height);
gfx_line(x+width*2/3,y+height,x+width*2/3,y+height*3/5);
gfx_line(x+width*2/3,y+height*3/5,x,y+height*3/5);
gfx_line(x,y+height*3/5,x,y);
}
void draw_five(int x, int y, int height){
int width = height/2;
gfx_line(x,y,x+width,y);
gfx_line(x+width,y,x+width,y+height/5);
gfx_line(x+width,y+height/5,x+width/3,y+height/5);
gfx_line(x+width/3,y+height/5,x+width/3,y+height*2/5);
gfx_line(x+width/3,y+height*2/5,x+width,y+height*2/5);
gfx_line(x+width,y+height*2/5,x+width,y+height);
gfx_line(x+width,y+height,x,y+height);
gfx_line(x,y+height,x,y+height*4/5);
gfx_line(x,y+height*4/5,x+width*2/3,y+height*4/5);
gfx_line(x+width*2/3,y+height*4/5,x+width*2/3,y+height*3/5);
gfx_line(x+width*2/3,y+height*3/5,x,y+height*3/5);
gfx_line(x,y+height*3/5,x,y);
}
void draw_six(int x, int y, int height){
int width = height/2;
gfx_line(x,y,x+width,y);
gfx_line(x+width,y,x+width,y+height/5);
gfx_line(x+width,y+height/5,x+width/3,y+height/5);
gfx_line(x+width/3,y+height/5,x+width/3,y+height*2/5);
gfx_line(x+width/3,y+height*2/5,x+width,y+height*2/5);
gfx_line(x+width,y+height*2/5,x+width,y+height);
gfx_line(x+width,y+height,x,y+height);
gfx_line(x,y+height,x,y);
gfx_line(x+width/3,y+height*3/5,x+width*2/3,y+height*3/5);
gfx_line(x+width*2/3,y+height*3/5,x+width*2/3,y+height*4/5);
gfx_line(x+width*2/3,y+height*4/5,x+width/3,y+height*4/5);
gfx_line(x+width/3,y+height*4/5,x+width/3,y+height*3/5);
}
void draw_seven(int x, int y, int height){
int width = height/2;
gfx_line(x,y,x+width,y);
gfx_line(x+width,y,x+width,y+height);
gfx_line(x+width,y+height,x+width*2/3,y+height);
gfx_line(x+width*2/3,y+height,x+width*2/3,y+height/5);
gfx_line(x+width*2/3,y+height/5,x,y+height/5);
gfx_line(x,y+height/5,x,y);
}
void draw_eight(int x, int y, int height){
int width = height/2;
gfx_line(x,y,x+width,y);
gfx_line(x+width,y,x+width,y+height);
gfx_line(x+width,y+height,x,y+height);
gfx_line(x,y+height,x,y);
gfx_line(x+width/3,y+height/5,x+width*2/3,y+height/5);
gfx_line(x+width*2/3,y+height/5,x+width*2/3,y+height*2/5);
gfx_line(x+width*2/3,y+height*2/5,x+width/3,y+height*2/5);
gfx_line(x+width/3,y+height*2/5,x+width/3,y+height/5);
gfx_line(x+width/3,y+height*3/5,x+width*2/3,y+height*3/5);
gfx_line(x+width*2/3,y+height*3/5,x+width*2/3,y+height*4/5);
gfx_line(x+width*2/3,y+height*4/5,x+width/3,y+height*4/5);
gfx_line(x+width/3,y+height*4/5,x+width/3,y+height*3/5);
}
void draw_nine(int x, int y, int height){
int width = height/2;
gfx_line(x,y,x+width,y);
gfx_line(x+width,y,x+width,y+height);
gfx_line(x+width,y+height,x,y+height);
gfx_line(x,y+height,x,y+height*4/5);
gfx_line(x,y+height*4/5,x+width*2/3,y+height*4/5);
gfx_line(x+width*2/3,y+height*4/5,x+width*2/3,y+height*3/5);
gfx_line(x+width*2/3,y+height*3/5,x,y+height*3/5);
gfx_line(x,y+height*3/5,x,y);
gfx_line(x+width/3,y+height/5,x+width*2/3,y+height/5);
gfx_line(x+width*2/3,y+height/5,x+width*2/3,y+height*2/5);
gfx_line(x+width*2/3,y+height*2/5,x+width/3,y+height*2/5);
gfx_line(x+width/3,y+height*2/5,x+width/3,y+height/5);
}
void draw_plus(int x, int y, int height){
int width = height/2;
gfx_line(x+width,y,x+width,y+height);
gfx_line(x,y+height/2,x+height,y+height/2);
}
void draw_digit(int x, int y, int height, char n){
switch(n){
case '1': draw_one(x,y,height); break;
case '2': draw_two(x,y,height); break;
case '3': draw_three(x,y,height); break;
case '4': draw_four(x,y,height); break;
case '5': draw_five(x,y,height); break;
case '6': draw_six(x,y,height); break;
case '7': draw_seven(x,y,height); break;
case '8': draw_eight(x,y,height); break;
case '9': draw_nine(x,y,height); break;
case '0': draw_zero(x,y,height); break;
default: draw_plus(x,y,height); break;
}
}
void draw_number(int x, int y, int height, int n){
if(n == 0){ draw_zero(x,y,height); return;}
int width = height/2;
int divisor = 1, subtracted;
char c;
if (n < 0){
gfx_line(x,y+5,x+5,y+5);
n *= -1;
x += 10;
}
while(divisor <= n){ divisor *= 10;}
do{
divisor /= 10;
c = (n / divisor) + 48;
draw_digit(x,y,height,c);
x += (width*5/4);
subtracted = (n/divisor) * divisor;
n = n - subtracted;
} while(divisor != 1);
}