// Purpose: Draw a circle on a graphic LCD
// Inputs: (x,y) - the center of the circle
// radius - the radius of the circle
// fill - YES or NO
// color - ON or OFF
void glcd_circle(int x, int y, int radius, int1 fill, int1 color)
{
signed int a, b, P;
a = 0;
b = radius;
P = 1 - radius;
do
{
if(fill)
{
glcd_line(x-a, y+b, x+a, y+b, color);
glcd_line(x-a, y-b, x+a, y-b, color);
glcd_line(x-b, y+a, x+b, y+a, color);
glcd_line(x-b, y-a, x+b, y-a, color);
}
else
{
glcd_pixel(a+x, b+y, color);
glcd_pixel(b+x, a+y, color);
glcd_pixel(x-a, b+y, color);
glcd_pixel(x-b, a+y, color);
glcd_pixel(b+x, y-a, color);
glcd_pixel(a+x, y-b, color);
glcd_pixel(x-a, y-b, color);
glcd_pixel(x-b, y-a, color);
}
if(P < 0)
P+= 3 + 2*a++;
else
P+= 5 + 2*(a++ - b--);
} while(a <= b);
}
// Purpose: Draw a rectangle on a graphic LCD
// Inputs: (x1, y1) - the start coordinate
// (x2, y2) - the end coordinate
// fill - YES or NO
// color - ON or OFF
// Dependencies: glcd_pixel(), glcd_line()
void glcd_rect(int x1, int y1, int x2, int y2, int fill, int1 color)
{
if(fill)
{
int y, ymax; // Find the y min and max
if(y1 < y2)
{
y = y1;
ymax = y2;
}
else
{
y = y2;
ymax = y1;
}
for(; y<=ymax; ++y) // Draw lines to fill the rectangle
glcd_line(x1, y, x2, y, color);
}
else
{
glcd_line(x1, y1, x2, y1, color); // Draw the 4 sides
glcd_line(x1, y2, x2, y2, color);
glcd_line(x1, y1, x1, y2, color);
glcd_line(x2, y1, x2, y2, color);
}
}
void glcd_arc(int x, int y, int r, int startAngle, int endAngle, int thickness, unsigned int color)
{
int rDelta = -(thickness/2);
int px, py, cx, cy;
startAngle -= 90;
endAngle -= 90;
if (startAngle!=endAngle)
{
for (int i=0; i<thickness; i++)
{
px = x + cos((startAngle*3.14)/180) * (r+rDelta+i);
py = y + sin((startAngle*3.14)/180) * (r+rDelta+i);
for (int d=startAngle+1; d<endAngle+1; d++)
{
cx = x + cos((d*3.14)/180) * (r+rDelta+i);
cy = y + sin((d*3.14)/180) * (r+rDelta+i);
glcd_line(px, py, cx, cy, color);
px = cx;
py = cy;
}
}
}
else
{
px = x + cos((startAngle*3.14)/180) * (r+rDelta);
py = y + sin((startAngle*3.14)/180) * (r+rDelta);
cx = x + cos((startAngle*3.14)/180) * (r-rDelta);
cy = y + sin((startAngle*3.14)/180) * (r-rDelta);
glcd_line(px, py, cx, cy, color);
}
}
/************************************************************************
* *
* Purpose: Draw the arrow indicating the existence of a submenu *
* *
* Proposito: Dibuja la flecha que indica que hay un submenu *
* *
* Passed: int8 tb - Y position of the arrow *
* int8 color - Color of the arrow. *
* Argumento: int8 tb - Posicion en Y de la flecha *
* int8 color - Color de la flecha. *
* Returned: None *
* Retorno: Nada *
* Note: *
* *
* *
************************************************************************/
void menu_entrar(int8 tb, int8 color)
{
glcd_line(124,tb,124,tb+7,color);
glcd_line(125,tb+1,125,tb+6,color);
glcd_line(126,tb+2,126,tb+5,color);
glcd_line(127,tb+3,127,tb+4,color);
}
void glcd_rect(int8 x1, int8 y1, int8 x2, int8 y2, int1 fill, int1 color)
#endif
{
if(fill)
{
#ifdef LARGE_LCD
int16 i, xmin, xmax, ymin, ymax;
#else
int8 i, xmin, xmax, ymin, ymax;
#endif
if(x1 < x2) // Find x min and max
{
xmin = x1;
xmax = x2;
}
else
{
xmin = x2;
xmax = x1;
}
if(y1 < y2) // Find the y min and max
{
ymin = y1;
ymax = y2;
}
else
{
ymin = y2;
ymax = y1;
}
for(; xmin <= xmax; ++xmin)
{
for(i=ymin; i<=ymax; ++i)
{
glcd_pixel(xmin, i, color);
}
}
}
else
{
glcd_line(x1, y1, x2, y1, color); // Draw the 4 sides
glcd_line(x1, y2, x2, y2, color);
glcd_line(x1, y1, x1, y2, color);
glcd_line(x2, y1, x2, y2, color);
}
}
void glcd_circle(int8 x, int8 y, int8 radius, int1 fill, int1 color)
#endif
{
#ifdef LARGE_LCD
signed int16 a, b, P;
#else
signed int8 a, b, P;
#endif
a = 0;
b = radius;
P = 1 - radius;
do
{
if(fill)
{
glcd_line(x-a, y+b, x+a, y+b, color);
glcd_line(x-a, y-b, x+a, y-b, color);
glcd_line(x-b, y+a, x+b, y+a, color);
glcd_line(x-b, y-a, x+b, y-a, color);
}
else
{
glcd_pixel(a+x, b+y, color);
glcd_pixel(b+x, a+y, color);
glcd_pixel(x-a, b+y, color);
glcd_pixel(x-b, a+y, color);
glcd_pixel(b+x, y-a, color);
glcd_pixel(a+x, y-b, color);
glcd_pixel(x-a, y-b, color);
glcd_pixel(x-b, y-a, color);
}
if(P < 0)
P += 3 + 2 * a++;
else
P += 5 + 2 * (a++ - b--);
} while(a <= b);
}
