draw-circle
wayland/arduino-tvout/draw-circle
Draw a circle at X, Y with a specified radius.
draw-circle
@/draw-circle
Draw a circle at X, Y with a specified radius.
DEV@/tvout-device
A tvout device.
Xnumber
The x coordinate of the center of the circle.
Ynumber
The y coordinate of the center of the circle.
Rnumber
The radius of the circle.
COLORnumber
The color of the circle. Options:
0 = black;
1 = white;
2 = invert.
FILLnumber
Circle will be filled with this color. Options:
-1 = no fill;
0 = black;
1 = white;
2 = invert.
UPDpulse
Update. Triggers draw circle.
DONEpulse
Pulse on completion.
C++ implementation
struct State {
};
{{ GENERATED_CODE }}
void evaluate(Context ctx) {
// The node responds only if there is an input pulse
if (!isInputDirty<input_UPD>(ctx))
return;
// Get a pointer to the `TVout` class instance
auto tv = getValue<input_DEV>(ctx);
uint8_t x = getValue<input_X>(ctx);
uint8_t y = getValue<input_Y>(ctx);
uint8_t r = getValue<input_R>(ctx);
char color = getValue<input_COLOR>(ctx);
char fill = getValue<input_FILL>(ctx);
tv->draw_circle(x, y, r, color, fill);
emitValue<output_DONE>(ctx, 1);
}