reduce-size
wayland/wio-terminal-bar-chart/reduce-size
Reduce size of bar-chart. See patch: 03-example.
reduce-size
@/reduce-size
Reduce size of bar-chart. See patch: 03-example.
BChart
A bar-chart object.
Xnumber
X coordinate of reduced bar-chart.
Ynumber
Y coordinate of reduced bar-chart.
Scalebyte
Scaling factor for reducing size of bar-chart.
UPDpulse
Update.
Donepulse
Pulse on completion.
C++ implementation
#pragma XOD evaluate_on_pin disable
#pragma XOD evaluate_on_pin enable input_UPD
node {
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 `TFT_eSPI tft` class instance
auto barchart = getValue<input_BChart>(ctx);
uint16_t x = getValue<input_X>(ctx);
uint16_t y = getValue<input_Y>(ctx);
uint8_t scaleFactor = getValue<input_Scale>(ctx);
barchart -> shrinkShowHistogram(x, y, scaleFactor);
emitValue<output_Done>(ctx, 1);
}
}