| 1 | package kaka.cakelight; |
| 2 | |
| 3 | public class LedFrame { |
| 4 | private byte[] bytes; |
| 5 | private int roff = 0, goff = 2, boff = 1; // Color values are stored as RBG, which is what the LED list takes. |
| 6 | |
| 7 | public static LedFrame from(Configuration config) { |
| 8 | LedFrame frame = new LedFrame(); |
| 9 | frame.bytes = new byte[config.leds.getCount() * 3]; |
| 10 | return frame; |
| 11 | } |
| 12 | |
| 13 | public void fillColor(int r, int g, int b) { |
| 14 | for (int i = 0; i < bytes.length; i += 3) { |
| 15 | bytes[i + roff] = (byte)r; |
| 16 | bytes[i + goff] = (byte)g; |
| 17 | bytes[i + boff] = (byte)b; |
| 18 | } |
| 19 | } |
| 20 | |
| 21 | public void fillColor(Color color) { |
| 22 | fillColor(color.r(), color.g(), color.b()); |
| 23 | } |
| 24 | |
| 25 | public void setLedColor(int led, Color color) { |
| 26 | int offset = led * 3; |
| 27 | bytes[offset + roff] = (byte)color.r(); |
| 28 | bytes[offset + goff] = (byte)color.g(); |
| 29 | bytes[offset + boff] = (byte)color.b(); |
| 30 | } |
| 31 | |
| 32 | public Color getLedColor(int led) { |
| 33 | int offset = led * 3; |
| 34 | return Color.rgb( |
| 35 | bytes[offset + roff] & 0xff, |
| 36 | bytes[offset + goff] & 0xff, |
| 37 | bytes[offset + boff] & 0xff |
| 38 | ); |
| 39 | } |
| 40 | |
| 41 | public byte[] getBytes() { |
| 42 | return bytes; |
| 43 | } |
| 44 | } |