Suche GLCD funktion für kreis MIT Dicke

void draw_circle(uint16_t x, uint16_t y, uint16_t radius, uint8_t fill, uint16_t color)

{

   signed int a, b, P;

   a = 0;

   b = radius;

   P = 1 - radius;

   uint8_t counter = 0;

     do

     {

      if(fill)

      {

       LCD_Line(x-a, y+b, x+a, y+b, color);

       LCD_Line(x-a, y-b, x+a, y-b, color);

       LCD_Line(x-b, y+a, x+b, y+a, color);

       LCD_Line(x-b, y-a, x+b, y-a, color);

      }

      else

      {

       counter = 5; //War mein versuch die Dicke einzubinden

       while(counter)

       {

       LCD_PutPixel(a+x+counter, b+y+counter, color);

       LCD_PutPixel(b+x+counter, a+y+counter, color);

       LCD_PutPixel(x-a-counter, b+y+counter, color);

       LCD_PutPixel(x-b-counter, a+y+counter, color);

       LCD_PutPixel(b+x+counter, y-a-counter, color);

       LCD_PutPixel(a+x+counter, y-b-counter, color);

       LCD_PutPixel(x-a-counter, y-b-counter, color);

       LCD_PutPixel(x-b-counter, y-a-counter, color);

       counter --;

       }

      }

      if(P < 0)

       P+= 3 + 2*a++;

      else

       P+= 5 + 2*(a++ - b--);

    } while(a <= b);

}