Commit | Line | Data |
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03b67a73 TW |
1 | package kaka.cakelight; |
2 | ||
03b67a73 | 3 | public class LedFrame { |
0bf6c885 | 4 | private Configuration config; |
ed56b145 TW |
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. | |
03b67a73 TW |
7 | |
8 | public static LedFrame from(Configuration config) { | |
9 | LedFrame frame = new LedFrame(); | |
0bf6c885 | 10 | frame.config = config; |
ed56b145 | 11 | frame.bytes = new byte[config.leds.getCount() * 3]; |
03b67a73 TW |
12 | return frame; |
13 | } | |
14 | ||
ed56b145 TW |
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 | ||
03b67a73 | 27 | public void setLedColor(int led, Color color) { |
ed56b145 TW |
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(); | |
03b67a73 TW |
32 | } |
33 | ||
34 | public Color getLedColor(int led) { | |
ed56b145 TW |
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; | |
03b67a73 | 45 | } |
0bf6c885 TW |
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 | } | |
03b67a73 | 63 | } |