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 void fillColor(int r, int g, int b) {
- for (int i = 0; i < bytes.length; i += 3) {
- bytes[i + roff] = (byte)r;
- bytes[i + goff] = (byte)g;
- bytes[i + boff] = (byte)b;
- }
+ fillColor(Color.rgb(r, g, b));
}
public void fillColor(Color color) {
- fillColor(color.r(), color.g(), color.b());
+ byte r = (byte)color.r(), g = (byte)color.g(), b = (byte)color.b(); // Gamma corrected values
+ for (int i = 0; i < bytes.length; i += 3) {
+ bytes[i + roff] = r;
+ bytes[i + goff] = g;
+ bytes[i + boff] = b;
+ }
}
public void setLedColor(int led, Color color) {
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;
+ }
}