#include "graphics.h"
#include "sed1335.h"
#include "math.h"

// draws only vertical or horizontal lines
void line (unsigned short x1, unsigned short y1, unsigned short len, unsigned char dir)
{
    unsigned short i;
    
    if (dir == HORIZONTAL)
    {
        for(i=0;i<=len;i++)
        {
            SED1335_pixel_on(x1+i,y1);
        }
    }
    else
    {
        for(i=0;i<=len;i++)
        {
            SED1335_pixel_on(x1,y1+i);
        } 
    }
} // end line ()


void rectangle (unsigned short x1, unsigned short y1, unsigned short width, unsigned short height)
{                                                                                              
    line(x1,y1,width,HORIZONTAL);
    line(x1,y1,height,VERTICAL);
    line(x1,y1+height,width,HORIZONTAL);
    line(x1+width,y1,height,VERTICAL);
}