// draw function point
void set_point ( float_t x_real, float_t y_real )
{
if ((x_real> window_left) & (x_real < window_right) & (y_real > window_down) & (y_real <window_up))
{
Text_Foreground_Color( COLOR_WHITE );
Draw_Line( scale_x( x_real ), scale_y( y_real ), scale_x( x_real ), scale_y( y_real ) );
RAIO_StartDrawing( LINE );
}
}
// draw with RAIO
// ---------------------------------------------
void example_DrawWithRAIO( void )
{
// rectangle
Draw_Square (0, 0, 319, 239);
Text_Foreground_Color ( COLOR_BLACK );
RAIO_StartDrawing ( SQUARE_FILL );
Text_Foreground_Color ( COLOR_BLUE );
Draw_Square (210, 150, 260, 200);
// line
Draw_Line ( 10, 230, 310, 10 );
Text_Foreground_Color ( COLOR_GREEN );
RAIO_StartDrawing ( LINE );
// circle
Draw_Circle ( 90, 65, 25 );
Text_Foreground_Color ( COLOR_RED );
RAIO_StartDrawing ( CIRCLE_FILL );
}
void example_DrawFunction( int16_t function )
{
float_t x_real, y_real;
int16_t count;
RAIO_clear_screen();
// draw x-axis
draw_coords_line ( window_left, 0, window_right, 0 );
for( count = (int16_t)window_left; count < (int16_t)window_right; count++ )
{
Draw_Line ( scale_x( count ), scale_y( window_up*0.01 ), scale_x( count ), scale_y( window_down*0.01 ) );
Text_Foreground_Color ( COLOR_WHITE );
RAIO_StartDrawing ( LINE );
}
// draw y-axis
draw_coords_line ( 0, window_up, 0, window_down );
for( count = (int16_t)window_down; count < (int16_t)window_up; count++ )
{
Draw_Line ( scale_x( window_left*0.01 ), scale_y( count ), scale_x( window_right*0.01 ), scale_y( count ) );
Text_Foreground_Color ( COLOR_WHITE );
RAIO_StartDrawing ( LINE );
}
// draw function
for( x_real = window_left; x_real < window_right; x_real=x_real+0.02 )
{
switch (function) // -> see FUNCTIONS
{
case SIN: y_real = sin( x_real ); break;
case COS: y_real = cos( x_real ); break;
case TAN: y_real = tan( x_real ); break;
case PARABOLA: y_real = x_real * x_real; break;
case EXPONENT: y_real = exp( x_real ); break;
case LOGN : y_real = log( x_real ); break;
default: break;
};
set_point( x_real, y_real);
}
}
// draw coordinate system
void draw_coords_line (float_t x1, float_t y1, float_t x2, float_t y2)
{
Text_Foreground_Color( COLOR_WHITE );
Draw_Line( scale_x( x1 ), scale_y( y1 ), scale_x( x2 ), scale_y( y2 ) );
RAIO_StartDrawing( LINE );
}
void Draw_Circle( uint16_t X1, uint16_t Y1 ,uint8_t rad )
{
Set_Geometric_Coordinate_circle ( X1, Y1, rad );
RAIO_StartDrawing( CIRCLE_NONFILL );
}
void Draw_Square( uint16_t X1, uint16_t Y1 ,uint16_t X2 ,uint16_t Y2 )
{
Set_Geometric_Coordinate( X1, Y1, X2, Y2 );
RAIO_StartDrawing( SQUARE_NONFILL );
}
// draw some basic geometrical forms
// ----------------------------------------------------------
void Draw_Line( uint16_t X1, uint16_t Y1 ,uint16_t X2 ,uint16_t Y2 )
{
Set_Geometric_Coordinate( X1, Y1, X2, Y2 );
RAIO_StartDrawing( LINE );
}