package kaka.cakelight;
public class LedFrame {
+ private Configuration config;
private byte[] bytes;
private int roff = 0, goff = 2, boff = 1; // Color values are stored as RBG, which is what the LED list takes.
public static LedFrame from(Configuration config) {
LedFrame frame = new LedFrame();
+ frame.config = config;
frame.bytes = new byte[config.leds.getCount() * 3];
return frame;
}
public byte[] getBytes() {
return bytes;
}
+
+ // TODO this needs to be improved
+ /** The x position of the led from 0.0-1.0. */
+ public double xOf(int led) {
+ /* left */ if (led >= config.leds.cols * 2 + config.leds.rows) return 0;
+ /* top */ if (led >= config.leds.cols + config.leds.rows) return 1 - (double)(led - config.leds.cols - config.leds.rows) / config.leds.cols;
+ /* right */ if (led >= config.leds.cols) return 1;
+ /* bottom */ return (double)led / config.leds.cols;
+ }
+
+ /** The y position of the led from 0.0-1.0. */
+ public double yOf(int led) {
+ /* left */ if (led >= config.leds.cols * 2 + config.leds.rows) return (double)(led - config.leds.cols * 2 - config.leds.rows) / config.leds.rows;
+ /* top */ if (led >= config.leds.cols + config.leds.rows) return 0;
+ /* right */ if (led >= config.leds.cols) return 1 - (double)(led - config.leds.cols) / config.leds.rows;
+ /* bottom */ return 1;
+ }
}