| 1 | package kaka.cakelight; |
| 2 | |
| 3 | public class LedFrame { |
| 4 | private Configuration config; |
| 5 | private byte[] bytes; |
| 6 | private int roff = 0, goff = 2, boff = 1; // Color values are stored as RBG, which is what the LED list takes. |
| 7 | |
| 8 | public static LedFrame from(Configuration config) { |
| 9 | LedFrame frame = new LedFrame(); |
| 10 | frame.config = config; |
| 11 | frame.bytes = new byte[config.leds.getCount() * 3]; |
| 12 | return frame; |
| 13 | } |
| 14 | |
| 15 | public void fillColor(int r, int g, int b) { |
| 16 | for (int i = 0; i < bytes.length; i += 3) { |
| 17 | bytes[i + roff] = (byte)r; |
| 18 | bytes[i + goff] = (byte)g; |
| 19 | bytes[i + boff] = (byte)b; |
| 20 | } |
| 21 | } |
| 22 | |
| 23 | public void fillColor(Color color) { |
| 24 | fillColor(color.r(), color.g(), color.b()); |
| 25 | } |
| 26 | |
| 27 | public void setLedColor(int led, Color color) { |
| 28 | int offset = led * 3; |
| 29 | bytes[offset + roff] = (byte)color.r(); |
| 30 | bytes[offset + goff] = (byte)color.g(); |
| 31 | bytes[offset + boff] = (byte)color.b(); |
| 32 | } |
| 33 | |
| 34 | public Color getLedColor(int led) { |
| 35 | int offset = led * 3; |
| 36 | return Color.rgb( |
| 37 | bytes[offset + roff] & 0xff, |
| 38 | bytes[offset + goff] & 0xff, |
| 39 | bytes[offset + boff] & 0xff |
| 40 | ); |
| 41 | } |
| 42 | |
| 43 | public byte[] getBytes() { |
| 44 | return bytes; |
| 45 | } |
| 46 | |
| 47 | // TODO this needs to be improved |
| 48 | /** The x position of the led from 0.0-1.0. */ |
| 49 | public double xOf(int led) { |
| 50 | /* left */ if (led >= config.leds.cols * 2 + config.leds.rows) return 0; |
| 51 | /* top */ if (led >= config.leds.cols + config.leds.rows) return 1 - (double)(led - config.leds.cols - config.leds.rows) / config.leds.cols; |
| 52 | /* right */ if (led >= config.leds.cols) return 1; |
| 53 | /* bottom */ return (double)led / config.leds.cols; |
| 54 | } |
| 55 | |
| 56 | /** The y position of the led from 0.0-1.0. */ |
| 57 | public double yOf(int led) { |
| 58 | /* left */ if (led >= config.leds.cols * 2 + config.leds.rows) return (double)(led - config.leds.cols * 2 - config.leds.rows) / config.leds.rows; |
| 59 | /* top */ if (led >= config.leds.cols + config.leds.rows) return 0; |
| 60 | /* right */ if (led >= config.leds.cols) return 1 - (double)(led - config.leds.cols) / config.leds.rows; |
| 61 | /* bottom */ return 1; |
| 62 | } |
| 63 | } |